--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2008-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the implementation for the audio/video registration module.
+ *
+ ******************************************************************************/
+
+#include <string.h>
+#include "bta_ar_api.h"
+#include "bta_ar_int.h"
+
+
+/* AV control block */
+#if BTA_DYNAMIC_MEMORY == FALSE
+tBTA_AR_CB bta_ar_cb;
+#endif
+
+/*******************************************************************************
+**
+** Function bta_ar_id
+**
+** Description This function maps sys_id to ar id mask.
+**
+** Returns void
+**
+*******************************************************************************/
+static UINT8 bta_ar_id(tBTA_SYS_ID sys_id)
+{
+ UINT8 mask = 0;
+ if (sys_id == BTA_ID_AV)
+ {
+ mask = BTA_AR_AV_MASK;
+ }
+ else if (sys_id == BTA_ID_AVK)
+ {
+ mask = BTA_AR_AVK_MASK;
+ }
+
+ return mask;
+}
+
+/*******************************************************************************
+**
+** Function bta_ar_init
+**
+** Description This function is called to register to AVDTP.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_ar_init(void)
+{
+ /* initialize control block */
+ memset(&bta_ar_cb, 0, sizeof(tBTA_AR_CB));
+}
+
+/*******************************************************************************
+**
+** Function bta_ar_reg_avdt
+**
+** Description This function is called to register to AVDTP.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_ar_avdt_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
+{
+ /* route the AVDT registration callback to av or avk */
+ if (bta_ar_cb.p_av_conn_cback)
+ (*bta_ar_cb.p_av_conn_cback)(handle, bd_addr, event, p_data);
+ if (bta_ar_cb.p_avk_conn_cback)
+ (*bta_ar_cb.p_avk_conn_cback)(handle, bd_addr, event, p_data);
+}
+
+/*******************************************************************************
+**
+** Function bta_ar_reg_avdt
+**
+** Description AR module registration to AVDT.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_ar_reg_avdt(tAVDT_REG *p_reg, tAVDT_CTRL_CBACK *p_cback, tBTA_SYS_ID sys_id)
+{
+ UINT8 mask = 0;
+
+ if (sys_id == BTA_ID_AV)
+ {
+ bta_ar_cb.p_av_conn_cback = p_cback;
+ mask = BTA_AR_AV_MASK;
+ }
+ else if (sys_id == BTA_ID_AVK)
+ {
+ bta_ar_cb.p_avk_conn_cback = p_cback;
+ mask = BTA_AR_AVK_MASK;
+ }
+#if (BTA_AR_DEBUG == TRUE)
+ else
+ {
+ APPL_TRACE_ERROR("bta_ar_reg_avdt: the registration is from wrong sys_id:%d", sys_id);
+ }
+#endif
+
+ if (mask)
+ {
+ if (bta_ar_cb.avdt_registered == 0)
+ {
+ AVDT_Register(p_reg, bta_ar_avdt_cback);
+ }
+ bta_ar_cb.avdt_registered |= mask;
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_ar_dereg_avdt
+**
+** Description This function is called to de-register from AVDTP.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_ar_dereg_avdt(tBTA_SYS_ID sys_id)
+{
+ UINT8 mask = 0;
+
+ if (sys_id == BTA_ID_AV)
+ {
+ bta_ar_cb.p_av_conn_cback = NULL;
+ mask = BTA_AR_AV_MASK;
+ }
+ else if (sys_id == BTA_ID_AVK)
+ {
+ bta_ar_cb.p_avk_conn_cback = NULL;
+ mask = BTA_AR_AVK_MASK;
+ }
+ bta_ar_cb.avdt_registered &= ~mask;
+
+ if (bta_ar_cb.avdt_registered == 0)
+ AVDT_Deregister();
+}
+
+/*******************************************************************************
+**
+** Function bta_ar_avdt_conn
+**
+** Description This function is called to let ar know that some AVDTP profile
+** is connected for this sys_id.
+** If the other sys modules started a timer for PENDING_EVT,
+** the timer can be stopped now.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_ar_avdt_conn(tBTA_SYS_ID sys_id, BD_ADDR bd_addr)
+{
+ UINT8 event = BTA_AR_AVDT_CONN_EVT;
+ tAVDT_CTRL data;
+
+ if (sys_id == BTA_ID_AV)
+ {
+ if (bta_ar_cb.p_avk_conn_cback)
+ {
+ (*bta_ar_cb.p_avk_conn_cback)(0, bd_addr, event, &data);
+ }
+ }
+ else if (sys_id == BTA_ID_AVK)
+ {
+ if (bta_ar_cb.p_av_conn_cback)
+ {
+ (*bta_ar_cb.p_av_conn_cback)(0, bd_addr, event, &data);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_ar_reg_avct
+**
+** Description This function is called to register to AVCTP.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_ar_reg_avct(UINT16 mtu, UINT16 mtu_br, UINT8 sec_mask, tBTA_SYS_ID sys_id)
+{
+ UINT8 mask = bta_ar_id (sys_id);
+
+ if (mask)
+ {
+ if (bta_ar_cb.avct_registered == 0)
+ {
+ AVCT_Register(mtu, mtu_br, sec_mask);
+ }
+ bta_ar_cb.avct_registered |= mask;
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_ar_dereg_avct
+**
+** Description This function is called to deregister from AVCTP.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_ar_dereg_avct(tBTA_SYS_ID sys_id)
+{
+ UINT8 mask = bta_ar_id (sys_id);
+
+ bta_ar_cb.avct_registered &= ~mask;
+
+ if (bta_ar_cb.avct_registered == 0)
+ AVCT_Deregister();
+}
+
+/******************************************************************************
+**
+** Function bta_ar_reg_avrc
+**
+** Description This function is called to register an SDP record for AVRCP.
+**
+** Returns void
+**
+******************************************************************************/
+void bta_ar_reg_avrc(UINT16 service_uuid, char *service_name, char *provider_name,
+ UINT16 categories, tBTA_SYS_ID sys_id)
+{
+ UINT8 mask = bta_ar_id (sys_id);
+ UINT8 temp[8], *p;
+
+ if (!mask || !categories)
+ return;
+
+ if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET)
+ {
+ if (bta_ar_cb.sdp_tg_handle == 0)
+ {
+ bta_ar_cb.tg_registered = mask;
+ bta_ar_cb.sdp_tg_handle = SDP_CreateRecord();
+ AVRC_AddRecord(service_uuid, service_name, provider_name, categories, bta_ar_cb.sdp_tg_handle);
+ bta_sys_add_uuid(service_uuid);
+ }
+ /* only one TG is allowed (first-come, first-served).
+ * If sdp_tg_handle is non-0, ignore this request */
+ }
+ else if ((service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL) || (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_CONTROL))
+ {
+ bta_ar_cb.ct_categories [mask - 1] = categories;
+ categories = bta_ar_cb.ct_categories[0]|bta_ar_cb.ct_categories[1];
+ if (bta_ar_cb.sdp_ct_handle == 0)
+ {
+ bta_ar_cb.sdp_ct_handle = SDP_CreateRecord();
+ AVRC_AddRecord(service_uuid, service_name, provider_name, categories, bta_ar_cb.sdp_ct_handle);
+ bta_sys_add_uuid(service_uuid);
+ }
+ else
+ {
+ /* multiple CTs are allowed.
+ * Change supported categories on the second one */
+ p = temp;
+ UINT16_TO_BE_STREAM(p, categories);
+ SDP_AddAttribute(bta_ar_cb.sdp_ct_handle, ATTR_ID_SUPPORTED_FEATURES, UINT_DESC_TYPE,
+ (UINT32)2, (UINT8*)temp);
+ }
+ }
+}
+
+/******************************************************************************
+**
+** Function bta_ar_dereg_avrc
+**
+** Description This function is called to de-register/delete an SDP record for AVRCP.
+**
+** Returns void
+**
+******************************************************************************/
+void bta_ar_dereg_avrc(UINT16 service_uuid, tBTA_SYS_ID sys_id)
+{
+ UINT8 mask = bta_ar_id (sys_id);
+ UINT16 categories = 0;
+ UINT8 temp[8], *p;
+
+ if (!mask)
+ return;
+
+ if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET)
+ {
+ if (bta_ar_cb.sdp_tg_handle && mask == bta_ar_cb.tg_registered)
+ {
+ bta_ar_cb.tg_registered = 0;
+ SDP_DeleteRecord(bta_ar_cb.sdp_tg_handle);
+ bta_ar_cb.sdp_tg_handle = 0;
+ bta_sys_remove_uuid(service_uuid);
+ }
+ }
+ else if (service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL)
+ {
+ if (bta_ar_cb.sdp_ct_handle)
+ {
+ bta_ar_cb.ct_categories [mask - 1] = 0;
+ categories = bta_ar_cb.ct_categories[0]|bta_ar_cb.ct_categories[1];
+ if (!categories)
+ {
+ /* no CT is still registered - cleaup */
+ SDP_DeleteRecord(bta_ar_cb.sdp_ct_handle);
+ bta_ar_cb.sdp_ct_handle = 0;
+ bta_sys_remove_uuid(service_uuid);
+ }
+ else
+ {
+ /* change supported categories to the remaning one */
+ p = temp;
+ UINT16_TO_BE_STREAM(p, categories);
+ SDP_AddAttribute(bta_ar_cb.sdp_ct_handle, ATTR_ID_SUPPORTED_FEATURES, UINT_DESC_TYPE,
+ (UINT32)2, (UINT8*)temp);
+ }
+ }
+ }
+
+}
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2008-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the private interface file for the BTA audio/video registration
+ * module.
+ *
+ ******************************************************************************/
+#ifndef BTA_AR_INT_H
+#define BTA_AR_INT_H
+
+#include "bta_av_api.h"
+
+
+#ifndef BTA_AR_DEBUG
+#define BTA_AR_DEBUG FALSE
+#endif
+
+#define BTA_AR_AV_MASK 0x01
+#define BTA_AR_AVK_MASK 0x02
+
+/* data associated with BTA_AR */
+typedef struct
+{
+ tAVDT_CTRL_CBACK *p_av_conn_cback; /* av connection callback function */
+ tAVDT_CTRL_CBACK *p_avk_conn_cback; /* avk connection callback function */
+ UINT8 avdt_registered;
+ UINT8 avct_registered;
+ UINT32 sdp_tg_handle;
+ UINT32 sdp_ct_handle;
+ UINT16 ct_categories[2];
+ UINT8 tg_registered;
+ tBTA_AV_HNDL hndl; /* Handle associated with the stream that rejected the connection. */
+} tBTA_AR_CB;
+
+/*****************************************************************************
+** Global data
+*****************************************************************************/
+
+/* control block declaration */
+#if BTA_DYNAMIC_MEMORY == FALSE
+extern tBTA_AR_CB bta_ar_cb;
+#else
+extern tBTA_AR_CB *bta_ar_cb_ptr;
+#define bta_ar_cb (*bta_ar_cb_ptr)
+#endif
+
+#endif /* BTA_AR_INT_H */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This file contains action functions for advanced audio/video stream
+ * state machine. these functions are shared by both audio and video
+ * streams.
+ *
+ ******************************************************************************/
+
+#include "bt_target.h"
+#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
+
+// #include <assert.h>
+#include "bt_trace.h"
+#include <string.h>
+
+// #include <cutils/properties.h>
+
+#include "bta_av_int.h"
+#include "avdt_api.h"
+#include "utl.h"
+#include "l2c_api.h"
+#include "l2cdefs.h"
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+#include "bta_ar_api.h"
+#endif
+
+/*****************************************************************************
+** Constants
+*****************************************************************************/
+
+/* the delay time in milliseconds to start service discovery on AVRCP */
+#ifndef BTA_AV_RC_DISC_TIME_VAL
+#define BTA_AV_RC_DISC_TIME_VAL 3500
+#endif
+
+/* the timer in milliseconds to guard against link busy and AVDT_CloseReq failed to be sent */
+#ifndef BTA_AV_CLOSE_REQ_TIME_VAL
+#define BTA_AV_CLOSE_REQ_TIME_VAL 4000
+#endif
+
+/* number to retry on reconfigure failure - some headsets requirs this number to be more than 1 */
+#ifndef BTA_AV_RECONFIG_RETRY
+#define BTA_AV_RECONFIG_RETRY 6
+#endif
+
+static void bta_av_st_rc_timer(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+
+/* state machine states */
+enum
+{
+ BTA_AV_INIT_SST,
+ BTA_AV_INCOMING_SST,
+ BTA_AV_OPENING_SST,
+ BTA_AV_OPEN_SST,
+ BTA_AV_RCFG_SST,
+ BTA_AV_CLOSING_SST
+};
+
+
+/* the call out functions for audio stream */
+const tBTA_AV_CO_FUNCTS bta_av_a2d_cos =
+{
+ bta_av_co_audio_init,
+ bta_av_co_audio_disc_res,
+ bta_av_co_audio_getconfig,
+ bta_av_co_audio_setconfig,
+ bta_av_co_audio_open,
+ bta_av_co_audio_close,
+ bta_av_co_audio_start,
+ bta_av_co_audio_stop,
+ bta_av_co_audio_src_data_path,
+ bta_av_co_audio_delay
+};
+
+/* ssm action functions for audio stream */
+const tBTA_AV_SACT bta_av_a2d_action[] =
+{
+ bta_av_do_disc_a2d, /* BTA_AV_DO_DISC */
+ bta_av_cleanup, /* BTA_AV_CLEANUP */
+ bta_av_free_sdb, /* BTA_AV_FREE_SDB */
+ bta_av_config_ind, /* BTA_AV_CONFIG_IND */
+ bta_av_disconnect_req, /* BTA_AV_DISCONNECT_REQ */
+ bta_av_security_req, /* BTA_AV_SECURITY_REQ */
+ bta_av_security_rsp, /* BTA_AV_SECURITY_RSP */
+ bta_av_setconfig_rsp, /* BTA_AV_SETCONFIG_RSP */
+ bta_av_st_rc_timer, /* BTA_AV_ST_RC_TIMER */
+ bta_av_str_opened, /* BTA_AV_STR_OPENED */
+ bta_av_security_ind, /* BTA_AV_SECURITY_IND */
+ bta_av_security_cfm, /* BTA_AV_SECURITY_CFM */
+ bta_av_do_close, /* BTA_AV_DO_CLOSE */
+ bta_av_connect_req, /* BTA_AV_CONNECT_REQ */
+ bta_av_sdp_failed, /* BTA_AV_SDP_FAILED */
+ bta_av_disc_results, /* BTA_AV_DISC_RESULTS */
+ bta_av_disc_res_as_acp, /* BTA_AV_DISC_RES_AS_ACP */
+ bta_av_open_failed, /* BTA_AV_OPEN_FAILED */
+ bta_av_getcap_results, /* BTA_AV_GETCAP_RESULTS */
+ bta_av_setconfig_rej, /* BTA_AV_SETCONFIG_REJ */
+ bta_av_discover_req, /* BTA_AV_DISCOVER_REQ */
+ bta_av_conn_failed, /* BTA_AV_CONN_FAILED */
+ bta_av_do_start, /* BTA_AV_DO_START */
+ bta_av_str_stopped, /* BTA_AV_STR_STOPPED */
+ bta_av_reconfig, /* BTA_AV_RECONFIG */
+ bta_av_data_path, /* BTA_AV_DATA_PATH */
+ bta_av_start_ok, /* BTA_AV_START_OK */
+ bta_av_start_failed, /* BTA_AV_START_FAILED */
+ bta_av_str_closed, /* BTA_AV_STR_CLOSED */
+ bta_av_clr_cong, /* BTA_AV_CLR_CONG */
+ bta_av_suspend_cfm, /* BTA_AV_SUSPEND_CFM */
+ bta_av_rcfg_str_ok, /* BTA_AV_RCFG_STR_OK */
+ bta_av_rcfg_failed, /* BTA_AV_RCFG_FAILED */
+ bta_av_rcfg_connect, /* BTA_AV_RCFG_CONNECT */
+ bta_av_rcfg_discntd, /* BTA_AV_RCFG_DISCNTD */
+ bta_av_suspend_cont, /* BTA_AV_SUSPEND_CONT */
+ bta_av_rcfg_cfm, /* BTA_AV_RCFG_CFM */
+ bta_av_rcfg_open, /* BTA_AV_RCFG_OPEN */
+ bta_av_security_rej, /* BTA_AV_SECURITY_REJ */
+ bta_av_open_rc, /* BTA_AV_OPEN_RC */
+ bta_av_chk_2nd_start, /* BTA_AV_CHK_2ND_START */
+ bta_av_save_caps, /* BTA_AV_SAVE_CAPS */
+ bta_av_set_use_rc, /* BTA_AV_SET_USE_RC */
+ bta_av_cco_close, /* BTA_AV_CCO_CLOSE */
+ bta_av_switch_role, /* BTA_AV_SWITCH_ROLE */
+ bta_av_role_res, /* BTA_AV_ROLE_RES */
+ bta_av_delay_co, /* BTA_AV_DELAY_CO */
+ bta_av_open_at_inc, /* BTA_AV_OPEN_AT_INC */
+ NULL
+};
+
+/* these tables translate AVDT events to SSM events */
+static const UINT16 bta_av_stream_evt_ok[] = {
+ BTA_AV_STR_DISC_OK_EVT, /* AVDT_DISCOVER_CFM_EVT */
+ BTA_AV_STR_GETCAP_OK_EVT, /* AVDT_GETCAP_CFM_EVT */
+ BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_CFM_EVT */
+ BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */
+ BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */
+ BTA_AV_STR_START_OK_EVT, /* AVDT_START_CFM_EVT */
+ BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */
+ BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */
+ BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */
+ BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */
+ BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */
+ BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */
+ 0, /* AVDT_RECONFIG_IND_EVT */
+ BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */
+ BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */
+ BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */
+ BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */
+ BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */
+#if (AVDT_REPORTING == TRUE)
+ BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */
+ BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */
+#endif
+ BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */
+ 0 /* AVDT_DELAY_REPORT_CFM_EVT */
+};
+
+static const UINT16 bta_av_stream_evt_fail[] = {
+ BTA_AV_STR_DISC_FAIL_EVT, /* AVDT_DISCOVER_CFM_EVT */
+ BTA_AV_STR_GETCAP_FAIL_EVT, /* AVDT_GETCAP_CFM_EVT */
+ BTA_AV_STR_OPEN_FAIL_EVT, /* AVDT_OPEN_CFM_EVT */
+ BTA_AV_STR_OPEN_OK_EVT, /* AVDT_OPEN_IND_EVT */
+ BTA_AV_STR_CONFIG_IND_EVT, /* AVDT_CONFIG_IND_EVT */
+ BTA_AV_STR_START_FAIL_EVT, /* AVDT_START_CFM_EVT */
+ BTA_AV_STR_START_OK_EVT, /* AVDT_START_IND_EVT */
+ BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_CFM_EVT */
+ BTA_AV_STR_SUSPEND_CFM_EVT, /* AVDT_SUSPEND_IND_EVT */
+ BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_CFM_EVT */
+ BTA_AV_STR_CLOSE_EVT, /* AVDT_CLOSE_IND_EVT */
+ BTA_AV_STR_RECONFIG_CFM_EVT, /* AVDT_RECONFIG_CFM_EVT */
+ 0, /* AVDT_RECONFIG_IND_EVT */
+ BTA_AV_STR_SECURITY_CFM_EVT, /* AVDT_SECURITY_CFM_EVT */
+ BTA_AV_STR_SECURITY_IND_EVT, /* AVDT_SECURITY_IND_EVT */
+ BTA_AV_STR_WRITE_CFM_EVT, /* AVDT_WRITE_CFM_EVT */
+ BTA_AV_AVDT_CONNECT_EVT, /* AVDT_CONNECT_IND_EVT */
+ BTA_AV_AVDT_DISCONNECT_EVT, /* AVDT_DISCONNECT_IND_EVT */
+#if (AVDT_REPORTING == TRUE)
+ BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_CONN_EVT */
+ BTA_AV_AVDT_RPT_CONN_EVT, /* AVDT_REPORT_DISCONN_EVT */
+#endif
+ BTA_AV_AVDT_DELAY_RPT_EVT, /* AVDT_DELAY_REPORT_EVT */
+ 0 /* AVDT_DELAY_REPORT_CFM_EVT */
+};
+
+void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt);
+static void bta_av_stream0_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
+static void bta_av_stream1_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
+#if BTA_AV_NUM_STRS > 2
+static void bta_av_stream2_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
+#endif
+#if BTA_AV_NUM_STRS > 3
+static void bta_av_stream3_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
+#endif
+#if BTA_AV_NUM_STRS > 4
+static void bta_av_stream4_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
+#endif
+#if BTA_AV_NUM_STRS > 5
+static void bta_av_stream5_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
+#endif
+/* the array of callback functions to receive events from AVDT control channel */
+tAVDT_CTRL_CBACK * const bta_av_dt_cback[] =
+{
+ bta_av_stream0_cback
+ ,bta_av_stream1_cback
+#if BTA_AV_NUM_STRS > 2
+ ,bta_av_stream2_cback
+#endif
+#if BTA_AV_NUM_STRS > 3
+ ,bta_av_stream3_cback
+#endif
+#if BTA_AV_NUM_STRS > 4
+ ,bta_av_stream4_cback
+#endif
+#if BTA_AV_NUM_STRS > 5
+ ,bta_av_stream5_cback
+#endif
+};
+/***********************************************
+**
+** Function bta_get_scb_handle
+**
+** Description gives the registered AVDT handle.by checking with sep_type.
+**
+**
+** Returns void
+***********************************************/
+static UINT8 bta_av_get_scb_handle(tBTA_AV_SCB *p_scb, UINT8 local_sep)
+{
+ UINT8 xx =0;
+ for (xx = 0; xx<BTA_AV_MAX_SEPS; xx++)
+ {
+ if ((p_scb->seps[xx].tsep == local_sep) &&
+ (p_scb->seps[xx].codec_type == p_scb->codec_type))
+ return (p_scb->seps[xx].av_handle);
+ }
+ APPL_TRACE_DEBUG(" bta_av_get_scb_handle appropiate sep_type not found")
+ return 0; /* return invalid handle */
+}
+
+/***********************************************
+**
+** Function bta_av_get_scb_sep_type
+**
+** Description gives the sep type by cross-checking with AVDT handle
+**
+**
+** Returns void
+***********************************************/
+static UINT8 bta_av_get_scb_sep_type(tBTA_AV_SCB *p_scb, UINT8 tavdt_handle)
+{
+ UINT8 xx =0;
+ for (xx = 0; xx<BTA_AV_MAX_SEPS; xx++)
+ {
+ if (p_scb->seps[xx].av_handle == tavdt_handle)
+ return (p_scb->seps[xx].tsep);
+ }
+ APPL_TRACE_DEBUG(" bta_av_get_scb_sep_type appropiate handle not found")
+ return 3; /* return invalid sep type */
+}
+
+/*******************************************************************************
+**
+** Function bta_av_save_addr
+**
+** Description copy the bd_addr and maybe reset the supported flags
+**
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_save_addr(tBTA_AV_SCB *p_scb, const BD_ADDR b)
+{
+ APPL_TRACE_DEBUG("bta_av_save_addr r:%d, s:%d",
+ p_scb->recfg_sup, p_scb->suspend_sup);
+ if(bdcmp(p_scb->peer_addr, b) != 0)
+ {
+ APPL_TRACE_ERROR("reset flags");
+ /* a new addr, reset the supported flags */
+ p_scb->recfg_sup = TRUE;
+ p_scb->suspend_sup = TRUE;
+ }
+
+ /* do this copy anyway, just in case the first addr matches
+ * the control block one by accident */
+ bdcpy(p_scb->peer_addr, b);
+}
+
+/*******************************************************************************
+**
+** Function notify_start_failed
+**
+** Description notify up-layer AV start failed
+**
+**
+** Returns void
+**
+*******************************************************************************/
+static void notify_start_failed(tBTA_AV_SCB *p_scb)
+{
+ tBTA_AV_START start;
+ /* if start failed, clear role */
+ p_scb->role &= ~BTA_AV_ROLE_START_INT;
+ start.chnl = p_scb->chnl;
+ start.status = BTA_AV_FAIL;
+ start.initiator = TRUE;
+ start.hndl = p_scb->hndl;
+ (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_st_rc_timer
+**
+** Description start the AVRC timer if no RC connection & CT is supported &
+** RC is used or
+** as ACP (we do not really know if we want AVRC)
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_st_rc_timer(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ APPL_TRACE_DEBUG("bta_av_st_rc_timer rc_handle:%d, use_rc: %d",
+ p_scb->rc_handle, p_scb->use_rc);
+ /* for outgoing RC connection as INT/CT */
+ if( (p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE) &&
+ /*(bta_av_cb.features & BTA_AV_FEAT_RCCT) &&*/
+ (p_scb->use_rc == TRUE || (p_scb->role & BTA_AV_ROLE_AD_ACP)) )
+ {
+ if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0)
+ bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL);
+ else
+ p_scb->wait |= BTA_AV_WAIT_CHECK_RC;
+ }
+
+}
+
+/*******************************************************************************
+**
+** Function bta_av_next_getcap
+**
+** Description The function gets the capabilities of the next available
+** stream found in the discovery results.
+**
+** Returns TRUE if we sent request to AVDT, FALSE otherwise.
+**
+*******************************************************************************/
+static BOOLEAN bta_av_next_getcap(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ int i;
+ tAVDT_GETCAP_REQ *p_req;
+ BOOLEAN sent_cmd = FALSE;
+ UINT16 uuid_int = p_scb->uuid_int;
+ UINT8 sep_requested = 0;
+
+ if(uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
+ sep_requested = AVDT_TSEP_SNK;
+ else if(uuid_int == UUID_SERVCLASS_AUDIO_SINK)
+ sep_requested = AVDT_TSEP_SRC;
+
+ for (i = p_scb->sep_info_idx; i < p_scb->num_seps; i++)
+ {
+ /* steam not in use, is a sink, and is the right media type (audio/video) */
+ if ((p_scb->sep_info[i].in_use == FALSE) &&
+ (p_scb->sep_info[i].tsep == sep_requested) &&
+ (p_scb->sep_info[i].media_type == p_scb->media_type))
+ {
+ p_scb->sep_info_idx = i;
+
+ /* we got a stream; get its capabilities */
+ if (p_scb->p_cap == NULL)
+ {
+ p_scb->p_cap = (tAVDT_CFG *) GKI_getbuf(sizeof(tAVDT_CFG));
+ }
+ if (p_scb->p_cap == NULL)
+ {
+ i = p_scb->num_seps;
+ break;
+ }
+ if (p_scb->avdt_version >= AVDT_VERSION_SYNC)
+ {
+ p_req = AVDT_GetAllCapReq;
+ }
+ else
+ {
+ p_req = AVDT_GetCapReq;
+ }
+ (*p_req)(p_scb->peer_addr,
+ p_scb->sep_info[i].seid,
+ p_scb->p_cap, bta_av_dt_cback[p_scb->hdi]);
+ sent_cmd = TRUE;
+ break;
+ }
+ }
+
+ /* if no streams available then stream open fails */
+ if (!sent_cmd)
+ {
+ bta_av_ssm_execute(p_scb, BTA_AV_STR_GETCAP_FAIL_EVT, p_data);
+ }
+
+ return sent_cmd;
+
+}
+
+/*******************************************************************************
+**
+** Function bta_av_proc_stream_evt
+**
+** Description Utility function to compose stream events.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_proc_stream_evt(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data, int index)
+{
+ tBTA_AV_STR_MSG *p_msg;
+ UINT16 sec_len = 0;
+ tBTA_AV_SCB *p_scb = bta_av_cb.p_scb[index];
+ int xx;
+
+ if (p_data)
+ {
+ if (event == AVDT_SECURITY_IND_EVT)
+ {
+ sec_len = (p_data->security_ind.len < BTA_AV_SECURITY_MAX_LEN) ?
+ p_data->security_ind.len : BTA_AV_SECURITY_MAX_LEN;
+ }
+ else if (event == AVDT_SECURITY_CFM_EVT && p_data->hdr.err_code == 0)
+ {
+ sec_len = (p_data->security_cfm.len < BTA_AV_SECURITY_MAX_LEN) ?
+ p_data->security_cfm.len : BTA_AV_SECURITY_MAX_LEN;
+ }
+ }
+
+ if (p_scb && (p_msg = (tBTA_AV_STR_MSG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_STR_MSG) + sec_len))) != NULL)
+ {
+
+ /* copy event data, bd addr, and handle to event message buffer */
+ p_msg->hdr.offset = 0;
+
+ if (bd_addr != NULL)
+ {
+ bdcpy(p_msg->bd_addr, bd_addr);
+ APPL_TRACE_DEBUG(" bd_addr:%02x-%02x-%02x-%02x-%02x-%02x",
+ bd_addr[0], bd_addr[1],
+ bd_addr[2], bd_addr[3],
+ bd_addr[4], bd_addr[5]);
+ }
+
+ if (p_data != NULL)
+ {
+ memcpy(&p_msg->msg, p_data, sizeof (tAVDT_CTRL));
+ /* copy config params to event message buffer */
+ switch (event)
+ {
+ case AVDT_RECONFIG_CFM_EVT:
+ APPL_TRACE_DEBUG("reconfig cfm event codec info = 0x%06x-%06x-%06x-%02x",
+ (p_msg->msg.reconfig_cfm.p_cfg->codec_info[0]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[1]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[2],
+ (p_msg->msg.reconfig_cfm.p_cfg->codec_info[3]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[4]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[5],
+ (p_msg->msg.reconfig_cfm.p_cfg->codec_info[6]<<16)+(p_msg->msg.reconfig_cfm.p_cfg->codec_info[7]<<8)+p_msg->msg.reconfig_cfm.p_cfg->codec_info[8],
+ p_msg->msg.reconfig_cfm.p_cfg->codec_info[9]);
+ break;
+
+
+
+ case AVDT_CONFIG_IND_EVT:
+ /* We might have 2 SEP signallings(A2DP + VDP) with one peer device on one L2CAP.
+ * If we already have a signalling connection with the bd_addr and the streaming
+ * SST is at INIT state, change it to INCOMING state to handle the signalling
+ * from the 2nd SEP. */
+ if ((bta_av_find_lcb(bd_addr, BTA_AV_LCB_FIND) != NULL) && (bta_av_is_scb_init(p_scb)))
+ {
+ bta_av_set_scb_sst_incoming (p_scb);
+
+ /* When ACP_CONNECT_EVT was received, we put first available scb to incoming state.
+ * Later when we receive AVDT_CONFIG_IND_EVT, we use a new p_scb and set its state to
+ * incoming which we do it above.
+ * We also have to set the old p_scb state to init to be used later */
+ for (xx = 0; xx < BTA_AV_NUM_STRS; xx++)
+ {
+ if ((bta_av_cb.p_scb[xx]) && (xx != index))
+ {
+ if (bta_av_cb.p_scb[xx]->state == BTA_AV_INCOMING_SST)
+ {
+ bta_av_cb.p_scb[xx]->state = BTA_AV_INIT_SST;
+ bta_av_cb.p_scb[xx]->coll_mask = 0;
+ break;
+ }
+ }
+ }
+ }
+
+ memcpy(&p_msg->cfg, p_data->config_ind.p_cfg, sizeof(tAVDT_CFG));
+ break;
+
+ case AVDT_SECURITY_IND_EVT:
+ p_msg->msg.security_ind.p_data = (UINT8 *) (p_msg + 1);
+ memcpy(p_msg->msg.security_ind.p_data, p_data->security_ind.p_data, sec_len);
+ break;
+
+ case AVDT_SECURITY_CFM_EVT:
+ p_msg->msg.security_cfm.p_data = (UINT8 *) (p_msg + 1);
+ if (p_data->hdr.err_code == 0)
+ {
+ memcpy(p_msg->msg.security_cfm.p_data, p_data->security_cfm.p_data, sec_len);
+ }
+ break;
+ case AVDT_SUSPEND_IND_EVT:
+ p_msg->msg.hdr.err_code = 0;
+ break;
+
+ default:
+ break;
+ }
+ }
+ else
+ p_msg->msg.hdr.err_code = 0;
+
+ /* look up application event */
+ if ((p_data == NULL) || (p_data->hdr.err_code == 0))
+ {
+ p_msg->hdr.event = bta_av_stream_evt_ok[event];
+ }
+ else
+ {
+ p_msg->hdr.event = bta_av_stream_evt_fail[event];
+ }
+
+ p_msg->initiator = FALSE;
+ if (event == AVDT_SUSPEND_CFM_EVT)
+ p_msg->initiator = TRUE;
+
+ APPL_TRACE_VERBOSE("hndl:x%x", p_scb->hndl);
+ p_msg->hdr.layer_specific = p_scb->hndl;
+ p_msg->handle = handle;
+ p_msg->avdt_event = event;
+ bta_sys_sendmsg(p_msg);
+ }
+
+/* coverity[var_deref_model] */
+/* false-positive: bta_av_conn_cback only processes AVDT_CONNECT_IND_EVT and AVDT_DISCONNECT_IND_EVT event
+ * these 2 events always have associated p_data */
+ if (p_data)
+ {
+ bta_av_conn_cback(handle, bd_addr, event, p_data);
+ }
+ else
+ {
+ APPL_TRACE_ERROR("%s: p_data is null", __func__);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_stream_data_cback
+**
+** Description This is the AVDTP callback function for stream events.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt)
+{
+ int index = 0;
+ tBTA_AV_SCB *p_scb ;
+ APPL_TRACE_DEBUG("bta_av_stream_data_cback avdt_handle: %d pkt_len=0x%x ofst = 0x%x", handle,p_pkt->len,p_pkt->offset);
+ APPL_TRACE_DEBUG(" Number of frames 0x%x",*((UINT8*)(p_pkt + 1) + p_pkt->offset));
+ APPL_TRACE_DEBUG("Sequence Number 0x%x",p_pkt->layer_specific);
+ /* Get SCB and correct sep type*/
+ for(index = 0; index < BTA_AV_NUM_STRS;index ++ )
+ {
+ p_scb = bta_av_cb.p_scb[index];
+ if((p_scb->avdt_handle == handle)&&(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK))
+ break;
+ }
+ if(index == BTA_AV_NUM_STRS) /* cannot find correct handler */
+ {
+ GKI_freebuf(p_pkt);
+ return;
+ }
+ p_pkt->event = BTA_AV_MEDIA_DATA_EVT;
+ p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_DATA_EVT, (tBTA_AV_MEDIA*)p_pkt);
+ GKI_freebuf(p_pkt); /* a copy of packet had been delivered, we free this buffer */
+}
+
+/*******************************************************************************
+**
+** Function bta_av_stream0_cback
+**
+** Description This is the AVDTP callback function for stream events.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_stream0_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
+{
+ APPL_TRACE_VERBOSE("bta_av_stream0_cback avdt_handle: %d event=0x%x", handle, event);
+ bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 0);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_stream1_cback
+**
+** Description This is the AVDTP callback function for stream events.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_stream1_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
+{
+ APPL_TRACE_EVENT("bta_av_stream1_cback avdt_handle: %d event=0x%x", handle, event);
+ bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 1);
+}
+
+#if BTA_AV_NUM_STRS > 2
+/*******************************************************************************
+**
+** Function bta_av_stream2_cback
+**
+** Description This is the AVDTP callback function for stream events.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_stream2_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
+{
+ APPL_TRACE_EVENT("bta_av_stream2_cback avdt_handle: %d event=0x%x", handle, event);
+ bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 2);
+}
+#endif
+
+#if BTA_AV_NUM_STRS > 3
+/*******************************************************************************
+**
+** Function bta_av_stream3_cback
+**
+** Description This is the AVDTP callback function for stream events.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_stream3_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
+{
+ APPL_TRACE_EVENT("bta_av_stream3_cback avdt_handle: %d event=0x%x", handle, event);
+ bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 3);
+}
+#endif
+
+/*******************************************************************************
+**
+** Function bta_av_stream4_cback
+**
+** Description This is the AVDTP callback function for stream events.
+**
+** Returns void
+**
+*******************************************************************************/
+#if BTA_AV_NUM_STRS > 4
+static void bta_av_stream4_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
+{
+ APPL_TRACE_EVENT("bta_av_stream4_cback avdt_handle: %d event=0x%x", handle, event);
+ bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 4);
+}
+#endif
+
+/*******************************************************************************
+**
+** Function bta_av_stream5_cback
+**
+** Description This is the AVDTP callback function for stream events.
+**
+** Returns void
+**
+*******************************************************************************/
+#if BTA_AV_NUM_STRS > 5
+static void bta_av_stream5_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
+{
+ APPL_TRACE_EVENT("bta_av_stream5_cback avdt_handle: %d event=0x%x", handle, event);
+ bta_av_proc_stream_evt(handle, bd_addr, event, p_data, 5);
+}
+#endif
+
+/*******************************************************************************
+**
+** Function bta_av_a2d_sdp_cback
+**
+** Description A2DP service discovery callback.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_a2d_sdp_cback(BOOLEAN found, tA2D_Service *p_service)
+{
+ tBTA_AV_SDP_RES *p_msg;
+ tBTA_AV_SCB *p_scb;
+
+ if ((p_msg = (tBTA_AV_SDP_RES *) GKI_getbuf(sizeof(tBTA_AV_SDP_RES))) != NULL)
+ {
+ p_msg->hdr.event = (found) ? BTA_AV_SDP_DISC_OK_EVT : BTA_AV_SDP_DISC_FAIL_EVT;
+
+ p_scb = bta_av_hndl_to_scb(bta_av_cb.handle);
+ if (p_scb)
+ {
+ if (found && (p_service != NULL))
+ p_scb->avdt_version = p_service->avdt_version;
+ else
+ p_scb->avdt_version = 0x00;
+
+ p_msg->hdr.layer_specific = bta_av_cb.handle;
+ bta_sys_sendmsg(p_msg);
+ }
+ else
+ {
+ APPL_TRACE_ERROR ("bta_av_a2d_sdp_cback, no scb found for handle(0x%x)", bta_av_cb.handle);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_adjust_seps_idx
+**
+** Description adjust the sep_idx
+**
+** Returns
+**
+*******************************************************************************/
+static void bta_av_adjust_seps_idx(tBTA_AV_SCB *p_scb, UINT8 avdt_handle)
+{
+ int xx;
+ APPL_TRACE_DEBUG("bta_av_adjust_seps_idx codec_type: %d", p_scb->codec_type);
+ for(xx=0; xx<BTA_AV_MAX_SEPS; xx++)
+ {
+ APPL_TRACE_DEBUG("av_handle: %d codec_type: %d",
+ p_scb->seps[xx].av_handle, p_scb->seps[xx].codec_type);
+ if((p_scb->seps[xx].av_handle && p_scb->codec_type == p_scb->seps[xx].codec_type)
+ && (p_scb->seps[xx].av_handle == avdt_handle))
+ {
+ p_scb->sep_idx = xx;
+ p_scb->avdt_handle = p_scb->seps[xx].av_handle;
+ break;
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_switch_role
+**
+** Description Switch role was not started and a timer was started.
+** another attempt to switch role now - still opening.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RS_RES switch_res = BTA_AV_RS_NONE;
+ tBTA_AV_API_OPEN *p_buf = &p_scb->q_info.open;
+ UNUSED(p_data);
+
+ APPL_TRACE_DEBUG("bta_av_switch_role wait:x%x", p_scb->wait);
+ if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START)
+ p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RETRY;
+
+ /* clear the masks set when the timer is started */
+ p_scb->wait &= ~(BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START);
+
+ if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN)
+ {
+ if (bta_av_switch_if_needed(p_scb) || !bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT))
+ {
+ p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
+ }
+ else
+ {
+ /* this should not happen in theory. Just in case...
+ * continue to do_disc_a2d */
+ switch_res = BTA_AV_RS_DONE;
+ }
+ }
+ else
+ {
+ /* report failure on OPEN */
+ switch_res = BTA_AV_RS_FAIL;
+ }
+
+ if (switch_res != BTA_AV_RS_NONE)
+ {
+ if (bta_av_cb.rs_idx == (p_scb->hdi + 1))
+ {
+ bta_av_cb.rs_idx = 0;
+ }
+ p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_RETRY;
+ p_scb->q_tag = 0;
+ p_buf->switch_res = switch_res;
+ bta_av_do_disc_a2d(p_scb, (tBTA_AV_DATA *)p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_role_res
+**
+** Description Handle the role changed event
+**
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ BOOLEAN initiator = FALSE;
+ tBTA_AV_START start;
+ tBTA_AV_OPEN av_open;
+
+ APPL_TRACE_DEBUG("bta_av_role_res q_tag:%d, wait:x%x, role:x%x", p_scb->q_tag, p_scb->wait, p_scb->role);
+ if (p_scb->role & BTA_AV_ROLE_START_INT)
+ initiator = TRUE;
+
+ if (p_scb->q_tag == BTA_AV_Q_TAG_START)
+ {
+ if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_STARTED)
+ {
+ p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
+ if (p_data->role_res.hci_status != HCI_SUCCESS)
+ {
+ p_scb->role &= ~BTA_AV_ROLE_START_INT;
+ bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
+ /* start failed because of role switch. */
+ start.chnl = p_scb->chnl;
+ start.status = BTA_AV_FAIL_ROLE;
+ start.hndl = p_scb->hndl;
+ start.initiator = initiator;
+ (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
+ }
+ else
+ {
+ bta_av_start_ok(p_scb, p_data);
+ }
+ }
+ else if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_START)
+ p_scb->wait |= BTA_AV_WAIT_ROLE_SW_FAILED;
+ }
+ else if (p_scb->q_tag == BTA_AV_Q_TAG_OPEN)
+ {
+ if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_RES_OPEN)
+ {
+ p_scb->role &= ~BTA_AV_ROLE_START_INT;
+ p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
+
+ if (p_data->role_res.hci_status != HCI_SUCCESS)
+ {
+ /* Open failed because of role switch. */
+ bdcpy(av_open.bd_addr, p_scb->peer_addr);
+ av_open.chnl = p_scb->chnl;
+ av_open.hndl = p_scb->hndl;
+ start.status = BTA_AV_FAIL_ROLE;
+ if(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC )
+ av_open.sep = AVDT_TSEP_SNK;
+ else if(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK )
+ av_open.sep = AVDT_TSEP_SRC;
+ (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *)&av_open);
+ }
+ else
+ {
+ /* Continue av open process */
+ p_scb->q_info.open.switch_res = BTA_AV_RS_DONE;
+ bta_av_do_disc_a2d (p_scb, (tBTA_AV_DATA *)&(p_scb->q_info.open));
+ }
+ }
+ else
+ {
+ APPL_TRACE_WARNING ("Unexpected role switch event: q_tag = %d wait = %d", p_scb->q_tag, p_scb->wait);
+ }
+ }
+
+ APPL_TRACE_DEBUG("wait:x%x, role:x%x", p_scb->wait, p_scb->role);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_delay_co
+**
+** Description Call the delay call-out function to report the delay report
+** from SNK
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ p_scb->p_cos->delay(p_scb->hndl, p_data->str_msg.msg.delay_rpt_cmd.delay);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_do_disc_a2d
+**
+** Description Do service discovery for A2DP.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_do_disc_a2d (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ BOOLEAN ok_continue = FALSE;
+ tA2D_SDP_DB_PARAMS db_params;
+ UINT16 attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST,
+ ATTR_ID_PROTOCOL_DESC_LIST,
+ ATTR_ID_BT_PROFILE_DESC_LIST};
+ UINT16 sdp_uuid = 0; /* UUID for which SDP has to be done */
+
+ APPL_TRACE_DEBUG("bta_av_do_disc_a2d use_rc: %d rs:%d, oc:%d",
+ p_data->api_open.use_rc, p_data->api_open.switch_res, bta_av_cb.audio_open_cnt);
+
+ memcpy (&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN));
+
+ switch(p_data->api_open.switch_res)
+ {
+ case BTA_AV_RS_NONE:
+ if (bta_av_switch_if_needed(p_scb) || !bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT))
+ {
+ /* waiting for role switch result. save the api to control block */
+ memcpy(&p_scb->q_info.open, &p_data->api_open, sizeof(tBTA_AV_API_OPEN));
+ p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
+ p_scb->q_tag = BTA_AV_Q_TAG_OPEN;
+ }
+ else
+ {
+ ok_continue = TRUE;
+ }
+ break;
+
+ case BTA_AV_RS_FAIL:
+ /* report a new failure event */
+ p_scb->open_status = BTA_AV_FAIL_ROLE;
+ bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_FAIL_EVT, NULL);
+ break;
+
+ case BTA_AV_RS_OK:
+ p_data = (tBTA_AV_DATA *)&p_scb->q_info.open;
+ /* continue to open if link role is ok */
+ if (bta_av_link_role_ok(p_scb, A2D_SET_MULTL_BIT))
+ {
+ ok_continue = TRUE;
+ }
+ else
+ {
+ p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_OPEN;
+ }
+ break;
+
+ case BTA_AV_RS_DONE:
+ ok_continue = TRUE;
+ break;
+ }
+
+ APPL_TRACE_DEBUG("ok_continue: %d wait:x%x, q_tag: %d", ok_continue, p_scb->wait, p_scb->q_tag);
+ if (!ok_continue)
+ return;
+
+ /* clear the role switch bits */
+ p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
+
+ if (p_scb->wait & BTA_AV_WAIT_CHECK_RC)
+ {
+ p_scb->wait &= ~BTA_AV_WAIT_CHECK_RC;
+ bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL);
+ }
+
+ if (bta_av_cb.features & BTA_AV_FEAT_MASTER)
+ {
+ L2CA_SetDesireRole(L2CAP_ROLE_DISALLOW_SWITCH);
+
+ if (bta_av_cb.audio_open_cnt == 1)
+ {
+ /* there's already an A2DP connection. do not allow switch */
+ bta_sys_clear_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH);
+ }
+ }
+ /* store peer addr other parameters */
+ bta_av_save_addr(p_scb, p_data->api_open.bd_addr);
+ p_scb->sec_mask = p_data->api_open.sec_mask;
+ p_scb->use_rc = p_data->api_open.use_rc;
+
+ bta_sys_app_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
+
+ /* allocate discovery database */
+ if (p_scb->p_disc_db == NULL)
+ {
+ p_scb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AV_DISC_BUF_SIZE);
+ }
+
+ /* only one A2D find service is active at a time */
+ bta_av_cb.handle = p_scb->hndl;
+
+ if(p_scb->p_disc_db)
+ {
+ /* set up parameters */
+ db_params.db_len = BTA_AV_DISC_BUF_SIZE;
+ db_params.num_attr = 3;
+ db_params.p_db = p_scb->p_disc_db;
+ db_params.p_attrs = attr_list;
+ p_scb->uuid_int = p_data->api_open.uuid;
+ if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SINK)
+ sdp_uuid = UUID_SERVCLASS_AUDIO_SOURCE;
+ else if (p_scb->uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
+ sdp_uuid = UUID_SERVCLASS_AUDIO_SINK;
+
+ APPL_TRACE_DEBUG("uuid_int 0x%x, Doing SDP For 0x%x", p_scb->uuid_int, sdp_uuid);
+ if(A2D_FindService(sdp_uuid, p_scb->peer_addr, &db_params,
+ bta_av_a2d_sdp_cback) == A2D_SUCCESS)
+ {
+ return;
+ }
+ }
+
+ /* when the code reaches here, either the DB is NULL
+ * or A2D_FindService is not successful */
+ bta_av_a2d_sdp_cback(FALSE, NULL);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_cleanup
+**
+** Description cleanup AV stream control block.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_cleanup(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_CONN_CHG msg;
+ int xx;
+ UINT8 role = BTA_AV_ROLE_AD_INT;
+ UNUSED(p_data);
+
+ APPL_TRACE_DEBUG("bta_av_cleanup");
+
+ /* free any buffers */
+ utl_freebuf((void **) &p_scb->p_cap);
+ utl_freebuf((void **) &p_scb->p_disc_db);
+ p_scb->avdt_version = 0;
+
+ /* initialize some control block variables */
+ p_scb->open_status = BTA_AV_SUCCESS;
+
+ /* if de-registering shut everything down */
+ msg.hdr.layer_specific = p_scb->hndl;
+ p_scb->started = FALSE;
+ p_scb->cong = FALSE;
+ p_scb->role = role;
+ p_scb->cur_psc_mask = 0;
+ p_scb->wait = 0;
+ p_scb->num_disc_snks = 0;
+ bta_sys_stop_timer(&p_scb->timer);
+ if (p_scb->deregistring)
+ {
+ /* remove stream */
+ for(xx=0; xx<BTA_AV_MAX_SEPS; xx++)
+ {
+ if(p_scb->seps[xx].av_handle)
+ AVDT_RemoveStream(p_scb->seps[xx].av_handle);
+ p_scb->seps[xx].av_handle = 0;
+ }
+
+ bta_av_dereg_comp((tBTA_AV_DATA *) &msg);
+ }
+ else
+ {
+ /* report stream closed to main SM */
+ msg.is_up = FALSE;
+ bdcpy(msg.peer_addr, p_scb->peer_addr);
+ bta_av_conn_chg((tBTA_AV_DATA *) &msg);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_free_sdb
+**
+** Description Free service discovery db buffer.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_free_sdb(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+ utl_freebuf((void **) &p_scb->p_disc_db);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_config_ind
+**
+** Description Handle a stream configuration indication from the peer.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_config_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_CI_SETCONFIG setconfig;
+ tAVDT_SEP_INFO *p_info;
+ tAVDT_CFG *p_evt_cfg = &p_data->str_msg.cfg;
+ UINT8 psc_mask = (p_evt_cfg->psc_mask | p_scb->cfg.psc_mask);
+ UINT8 local_sep; /* sep type of local handle on which connection was received */
+ tBTA_AV_STR_MSG *p_msg = (tBTA_AV_STR_MSG *)p_data;
+ UNUSED(p_data);
+
+ local_sep = bta_av_get_scb_sep_type(p_scb, p_msg->handle);
+ p_scb->avdt_label = p_data->str_msg.msg.hdr.label;
+ memcpy(p_scb->cfg.codec_info, p_evt_cfg->codec_info, AVDT_CODEC_SIZE);
+ p_scb->codec_type = p_evt_cfg->codec_info[BTA_AV_CODEC_TYPE_IDX];
+ bta_av_save_addr(p_scb, p_data->str_msg.bd_addr);
+
+ /* Clear collision mask */
+ p_scb->coll_mask = 0;
+ bta_sys_stop_timer(&bta_av_cb.acp_sig_tmr);
+
+ /* if no codec parameters in configuration, fail */
+ if ((p_evt_cfg->num_codec == 0) ||
+ /* or the peer requests for a service we do not support */
+ ((psc_mask != p_scb->cfg.psc_mask) &&
+ (psc_mask != (p_scb->cfg.psc_mask&~AVDT_PSC_DELAY_RPT))) )
+ {
+ setconfig.hndl = p_scb->hndl; /* we may not need this */
+ setconfig.err_code = AVDT_ERR_UNSUP_CFG;
+ bta_av_ssm_execute(p_scb, BTA_AV_CI_SETCONFIG_FAIL_EVT, (tBTA_AV_DATA *) &setconfig);
+ }
+ else
+ {
+ p_info = &p_scb->sep_info[0];
+ p_info->in_use = 0;
+ p_info->media_type = p_scb->media_type;
+ p_info->seid = p_data->str_msg.msg.config_ind.int_seid;
+
+ /* Sep type of Peer will be oppsite role to our local sep */
+ if (local_sep == AVDT_TSEP_SRC)
+ p_info->tsep = AVDT_TSEP_SNK;
+ else if (local_sep == AVDT_TSEP_SNK)
+ p_info->tsep = AVDT_TSEP_SRC;
+
+ p_scb->role |= BTA_AV_ROLE_AD_ACP;
+ p_scb->cur_psc_mask = p_evt_cfg->psc_mask;
+ if (bta_av_cb.features & BTA_AV_FEAT_RCTG)
+ p_scb->use_rc = TRUE;
+ else
+ p_scb->use_rc = FALSE;
+
+ p_scb->num_seps = 1;
+ p_scb->sep_info_idx = 0;
+ APPL_TRACE_DEBUG("bta_av_config_ind: SEID: %d use_rc: %d cur_psc_mask:0x%x", p_info->seid, p_scb->use_rc, p_scb->cur_psc_mask);
+ /* in case of A2DP SINK this is the first time peer data is being sent to co functions */
+ if (local_sep == AVDT_TSEP_SNK)
+ {
+ p_scb->p_cos->setcfg(p_scb->hndl, p_scb->codec_type,
+ p_evt_cfg->codec_info,
+ p_info->seid,
+ p_scb->peer_addr,
+ p_evt_cfg->num_protect,
+ p_evt_cfg->protect_info,
+ AVDT_TSEP_SNK,
+ p_msg->handle);
+ }
+ else
+ {
+ p_scb->p_cos->setcfg(p_scb->hndl, p_scb->codec_type,
+ p_evt_cfg->codec_info,
+ p_info->seid,
+ p_scb->peer_addr,
+ p_evt_cfg->num_protect,
+ p_evt_cfg->protect_info,
+ AVDT_TSEP_SRC,
+ p_msg->handle);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_disconnect_req
+**
+** Description Disconnect AVDTP connection.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_disconnect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RCB *p_rcb;
+ UNUSED(p_data);
+
+ APPL_TRACE_DEBUG("bta_av_disconnect_req conn_lcb: 0x%x", bta_av_cb.conn_lcb);
+
+ bta_sys_stop_timer(&bta_av_cb.sig_tmr);
+ bta_sys_stop_timer(&p_scb->timer);
+ if(bta_av_cb.conn_lcb)
+ {
+ p_rcb = bta_av_get_rcb_by_shdl((UINT8)(p_scb->hdi + 1));
+ if (p_rcb)
+ bta_av_del_rc(p_rcb);
+ AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]);
+ }
+ else
+ {
+ bta_av_ssm_execute(p_scb, BTA_AV_AVDT_DISCONNECT_EVT, NULL);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_security_req
+**
+** Description Send an AVDTP security request.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_security_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ if (bta_av_cb.features & BTA_AV_FEAT_PROTECT)
+ {
+ AVDT_SecurityReq(p_scb->avdt_handle, p_data->api_protect_req.p_data,
+ p_data->api_protect_req.len);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_security_rsp
+**
+** Description Send an AVDTP security response.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_security_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ if (bta_av_cb.features & BTA_AV_FEAT_PROTECT)
+ {
+ AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, p_data->api_protect_rsp.error_code,
+ p_data->api_protect_rsp.p_data, p_data->api_protect_rsp.len);
+ }
+ else
+ {
+ AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC,
+ NULL, 0);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_setconfig_rsp
+**
+** Description setconfig is OK
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_setconfig_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UINT8 num = p_data->ci_setconfig.num_seid + 1;
+ UINT8 avdt_handle = p_data->ci_setconfig.avdt_handle;
+ UINT8 *p_seid = p_data->ci_setconfig.p_seid;
+ int i;
+ UINT8 local_sep;
+
+ /* we like this codec_type. find the sep_idx */
+ local_sep = bta_av_get_scb_sep_type(p_scb,avdt_handle);
+ bta_av_adjust_seps_idx(p_scb, avdt_handle);
+ APPL_TRACE_DEBUG("bta_av_setconfig_rsp: sep_idx: %d cur_psc_mask:0x%x", p_scb->sep_idx, p_scb->cur_psc_mask);
+
+ if ((AVDT_TSEP_SNK == local_sep) && (p_data->ci_setconfig.err_code == AVDT_SUCCESS) &&
+ (p_scb->seps[p_scb->sep_idx].p_app_data_cback != NULL))
+ p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_SINK_CFG_EVT,
+ (tBTA_AV_MEDIA*)p_scb->cfg.codec_info);
+
+
+ AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, p_data->ci_setconfig.err_code,
+ p_data->ci_setconfig.category);
+
+ bta_sys_stop_timer(&bta_av_cb.sig_tmr);
+
+ if(p_data->ci_setconfig.err_code == AVDT_SUCCESS)
+ {
+ p_scb->wait = BTA_AV_WAIT_ACP_CAPS_ON;
+ if(p_data->ci_setconfig.recfg_needed)
+ p_scb->role |= BTA_AV_ROLE_SUSPEND_OPT;
+ APPL_TRACE_DEBUG("bta_av_setconfig_rsp recfg_needed:%d role:x%x num:%d",
+ p_data->ci_setconfig.recfg_needed, p_scb->role, num);
+ /* callout module tells BTA the number of "good" SEPs and their SEIDs.
+ * getcap on these SEID */
+ p_scb->num_seps = num;
+
+ if (p_scb->cur_psc_mask & AVDT_PSC_DELAY_RPT)
+ p_scb->avdt_version = AVDT_VERSION_SYNC;
+
+
+ if (p_scb->codec_type == BTA_AV_CODEC_SBC || num > 1)
+ {
+ /* if SBC is used by the SNK as INT, discover req is not sent in bta_av_config_ind.
+ * call disc_res now */
+ /* this is called in A2DP SRC path only, In case of SINK we don't need it */
+ if (local_sep == AVDT_TSEP_SRC)
+ p_scb->p_cos->disc_res(p_scb->hndl, num, num, 0, p_scb->peer_addr,
+ UUID_SERVCLASS_AUDIO_SOURCE);
+ }
+ else
+ {
+ /* we do not know the peer device and it is using non-SBC codec
+ * we need to know all the SEPs on SNK */
+ bta_av_discover_req(p_scb, NULL);
+ return;
+ }
+
+ for (i = 1; i < num; i++)
+ {
+ APPL_TRACE_DEBUG("sep_info[%d] SEID: %d", i, p_seid[i-1]);
+ /* initialize the sep_info[] to get capabilities */
+ p_scb->sep_info[i].in_use = FALSE;
+ p_scb->sep_info[i].tsep = AVDT_TSEP_SNK;
+ p_scb->sep_info[i].media_type = p_scb->media_type;
+ p_scb->sep_info[i].seid = p_seid[i-1];
+ }
+
+ /* only in case of local sep as SRC we need to look for other SEPs, In case of SINK we don't */
+ if (local_sep == AVDT_TSEP_SRC)
+ {
+ /* Make sure UUID has been initialized... */
+ if (p_scb->uuid_int == 0)
+ p_scb->uuid_int = p_scb->open_api.uuid;
+ bta_av_next_getcap(p_scb, p_data);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_str_opened
+**
+** Description Stream opened OK (incoming/outgoing).
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_CONN_CHG msg;
+ tBTA_AV_OPEN open;
+ UINT8 *p;
+ UINT16 mtu;
+
+ msg.hdr.layer_specific = p_scb->hndl;
+ msg.is_up = TRUE;
+ bdcpy(msg.peer_addr, p_scb->peer_addr);
+ p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle);
+ bta_av_conn_chg((tBTA_AV_DATA *) &msg);
+ /* set the congestion flag, so AV would not send media packets by accident */
+ p_scb->cong = TRUE;
+
+
+ p_scb->stream_mtu = p_data->str_msg.msg.open_ind.peer_mtu - AVDT_MEDIA_HDR_SIZE;
+ mtu = bta_av_chk_mtu(p_scb, p_scb->stream_mtu);
+ APPL_TRACE_DEBUG("bta_av_str_opened l2c_cid: 0x%x stream_mtu: %d mtu: %d",
+ p_scb->l2c_cid, p_scb->stream_mtu, mtu);
+ if(mtu == 0 || mtu > p_scb->stream_mtu)
+ mtu = p_scb->stream_mtu;
+
+ /* Set the media channel as medium priority */
+ L2CA_SetTxPriority(p_scb->l2c_cid, L2CAP_CHNL_PRIORITY_MEDIUM);
+ L2CA_SetChnlFlushability (p_scb->l2c_cid, TRUE);
+
+ bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
+ memset(&p_scb->q_info, 0, sizeof(tBTA_AV_Q_INFO));
+
+ p_scb->l2c_bufs = 0;
+ p_scb->p_cos->open(p_scb->hndl,
+ p_scb->codec_type, p_scb->cfg.codec_info, mtu);
+
+ {
+ /* TODO check if other audio channel is open.
+ * If yes, check if reconfig is needed
+ * Rigt now we do not do this kind of checking.
+ * BTA-AV is INT for 2nd audio connection.
+ * The application needs to make sure the current codec_info is proper.
+ * If one audio connection is open and another SNK attempts to connect to AV,
+ * the connection will be rejected.
+ */
+ /* check if other audio channel is started. If yes, start */
+ bdcpy(open.bd_addr, p_scb->peer_addr);
+ open.chnl = p_scb->chnl;
+ open.hndl = p_scb->hndl;
+ open.status = BTA_AV_SUCCESS;
+ open.starting = bta_av_chk_start(p_scb);
+ open.edr = 0;
+ if( NULL != (p = BTM_ReadRemoteFeatures(p_scb->peer_addr)))
+ {
+ if(HCI_EDR_ACL_2MPS_SUPPORTED(p))
+ open.edr |= BTA_AV_EDR_2MBPS;
+ if(HCI_EDR_ACL_3MPS_SUPPORTED(p))
+ open.edr |= BTA_AV_EDR_3MBPS;
+ }
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+ bta_ar_avdt_conn(BTA_ID_AV, open.bd_addr);
+#endif
+ if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC )
+ open.sep = AVDT_TSEP_SNK;
+ else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK )
+ open.sep = AVDT_TSEP_SRC;
+
+ (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *) &open);
+ if(open.starting)
+ {
+ bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
+ }
+ }
+
+#if 0 /* TODO: implement the property enable/disable */
+ // This code is used to pass PTS TC for AVDTP ABORT
+ char value[PROPERTY_VALUE_MAX] = {0};
+ if ((property_get("bluetooth.pts.force_a2dp_abort", value, "false"))
+ && (!strcmp(value, "true")))
+ {
+ APPL_TRACE_ERROR ("%s: Calling AVDT_AbortReq", __func__);
+ AVDT_AbortReq(p_scb->avdt_handle);
+ }
+#endif /* #if 0*/
+}
+
+/*******************************************************************************
+**
+** Function bta_av_security_ind
+**
+** Description Handle an AVDTP security indication.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_PROTECT_REQ protect_req;
+
+ p_scb->avdt_label = p_data->str_msg.msg.hdr.label;
+
+ if (bta_av_cb.features & BTA_AV_FEAT_PROTECT)
+ {
+ protect_req.chnl = p_scb->chnl;
+ protect_req.hndl = p_scb->hndl;
+ /*
+ APPL_TRACE_EVENT("sec ind handle: x%x", protect_req.hndl);
+ */
+ protect_req.p_data = p_data->str_msg.msg.security_ind.p_data;
+ protect_req.len = p_data->str_msg.msg.security_ind.len;
+
+ (*bta_av_cb.p_cback)(BTA_AV_PROTECT_REQ_EVT, (tBTA_AV *) &protect_req);
+ }
+ /* app doesn't support security indication; respond with failure */
+ else
+ {
+ AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_NSC, NULL, 0);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_security_cfm
+**
+** Description Handle an AVDTP security confirm.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_PROTECT_RSP protect_rsp;
+
+ if (bta_av_cb.features & BTA_AV_FEAT_PROTECT)
+ {
+ protect_rsp.chnl = p_scb->chnl;
+ protect_rsp.hndl = p_scb->hndl;
+ protect_rsp.p_data = p_data->str_msg.msg.security_cfm.p_data;
+ protect_rsp.len = p_data->str_msg.msg.security_cfm.len;
+ protect_rsp.err_code= p_data->str_msg.msg.hdr.err_code;
+
+ (*bta_av_cb.p_cback)(BTA_AV_PROTECT_RSP_EVT, (tBTA_AV *) &protect_rsp);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_do_close
+**
+** Description Close stream.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ /* stop stream if started */
+ if (p_scb->co_started)
+ {
+ bta_av_str_stopped(p_scb, NULL);
+ }
+ bta_sys_stop_timer(&bta_av_cb.sig_tmr);
+
+ /* close stream */
+ p_scb->started = FALSE;
+
+ /* drop the buffers queued in L2CAP */
+ L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
+
+ AVDT_CloseReq(p_scb->avdt_handle);
+ /* just in case that the link is congested, link is flow controled by peer or
+ * for whatever reason the the close request can not be sent in time.
+ * when this timer expires, AVDT_DisconnectReq will be called to disconnect the link
+ */
+ bta_sys_start_timer(&p_scb->timer,
+ (UINT16)BTA_AV_API_CLOSE_EVT,
+ BTA_AV_CLOSE_REQ_TIME_VAL);
+
+}
+
+/*******************************************************************************
+**
+** Function bta_av_connect_req
+**
+** Description Connect AVDTP connection.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ utl_freebuf((void **) &p_scb->p_disc_db);
+
+ if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR)
+ {
+ /* SNK initiated L2C connection while SRC was doing SDP. */
+ /* Wait until timeout to check if SNK starts signalling. */
+ APPL_TRACE_EVENT("bta_av_connect_req: coll_mask = 0x%2X", p_scb->coll_mask);
+ return;
+ }
+
+ AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sdp_failed
+**
+** Description Service discovery failed.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ if (!p_scb->open_status)
+ p_scb->open_status = BTA_AV_FAIL_SDP;
+
+ utl_freebuf((void **) &p_scb->p_disc_db);
+ bta_av_str_closed(p_scb, p_data);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_disc_results
+**
+** Description Handle the AVDTP discover results. Search through the
+** results and find the first available stream, and get
+** its capabilities.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UINT8 num_snks = 0, num_srcs =0, i;
+ /* our uuid in case we initiate connection */
+ UINT16 uuid_int = p_scb->uuid_int;
+
+ APPL_TRACE_DEBUG(" initiator UUID 0x%x", uuid_int);
+ /* store number of stream endpoints returned */
+ p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps;
+
+ for (i = 0; i < p_scb->num_seps; i++)
+ {
+ /* steam not in use, is a sink, and is audio */
+ if ((p_scb->sep_info[i].in_use == FALSE) &&
+ (p_scb->sep_info[i].media_type == p_scb->media_type))
+ {
+ if((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) &&
+ (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE))
+ num_snks++;
+
+ if((p_scb->sep_info[i].tsep == AVDT_TSEP_SRC) &&
+ (uuid_int == UUID_SERVCLASS_AUDIO_SINK))
+ num_srcs++;
+
+ }
+ }
+
+ p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, num_srcs, p_scb->peer_addr,
+ uuid_int);
+ p_scb->num_disc_snks = num_snks;
+ p_scb->num_disc_srcs = num_srcs;
+
+ /* if we got any */
+ if (p_scb->num_seps > 0)
+ {
+ /* initialize index into discovery results */
+ p_scb->sep_info_idx = 0;
+
+ /* get the capabilities of the first available stream */
+ bta_av_next_getcap(p_scb, p_data);
+ }
+ /* else we got discover response but with no streams; we're done */
+ else
+ {
+ bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_disc_res_as_acp
+**
+** Description Handle the AVDTP discover results. Search through the
+** results and find the first available stream, and get
+** its capabilities.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UINT8 num_snks = 0, i;
+
+ /* store number of stream endpoints returned */
+ p_scb->num_seps = p_data->str_msg.msg.discover_cfm.num_seps;
+
+
+
+ for (i = 0; i < p_scb->num_seps; i++)
+ {
+ /* steam is a sink, and is audio */
+ if ((p_scb->sep_info[i].tsep == AVDT_TSEP_SNK) &&
+ (p_scb->sep_info[i].media_type == p_scb->media_type))
+ {
+ p_scb->sep_info[i].in_use = FALSE;
+ num_snks++;
+ }
+ }
+ p_scb->p_cos->disc_res(p_scb->hndl, p_scb->num_seps, num_snks, 0, p_scb->peer_addr,
+ UUID_SERVCLASS_AUDIO_SOURCE);
+ p_scb->num_disc_snks = num_snks;
+ p_scb->num_disc_srcs = 0;
+
+ /* if we got any */
+ if (p_scb->num_seps > 0)
+ {
+ /* initialize index into discovery results */
+ p_scb->sep_info_idx = 0;
+
+ /* get the capabilities of the first available stream */
+ bta_av_next_getcap(p_scb, p_data);
+ }
+ /* else we got discover response but with no streams; we're done */
+ else
+ {
+ bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, p_data);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_save_caps
+**
+** Description report the SNK SEP capabilities to application
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_save_caps(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tAVDT_CFG cfg;
+ tAVDT_SEP_INFO *p_info = &p_scb->sep_info[p_scb->sep_info_idx];
+ UINT8 old_wait = p_scb->wait;
+ BOOLEAN getcap_done = FALSE;
+
+ APPL_TRACE_DEBUG("bta_av_save_caps num_seps:%d sep_info_idx:%d wait:x%x",
+ p_scb->num_seps, p_scb->sep_info_idx, p_scb->wait);
+ memcpy(&cfg, p_scb->p_cap, sizeof(tAVDT_CFG));
+ /* let application know the capability of the SNK */
+ p_scb->p_cos->getcfg(p_scb->hndl, cfg.codec_info[BTA_AV_CODEC_TYPE_IDX],
+ cfg.codec_info, &p_scb->sep_info_idx, p_info->seid,
+ &cfg.num_protect, cfg.protect_info);
+
+ p_scb->sep_info_idx++;
+ if(p_scb->num_seps > p_scb->sep_info_idx)
+ {
+ /* Some devices have seps at the end of the discover list, which is not */
+ /* matching media type(video not audio). */
+ /* In this case, we are done with getcap without sending another */
+ /* request to AVDT. */
+ if (!bta_av_next_getcap(p_scb, p_data))
+ getcap_done = TRUE;
+ }
+ else
+ getcap_done = TRUE;
+
+ if (getcap_done)
+ {
+ /* we are done getting capabilities. restore the p_cb->sep_info_idx */
+ p_scb->sep_info_idx = 0;
+ p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON|BTA_AV_WAIT_ACP_CAPS_STARTED);
+ if (old_wait & BTA_AV_WAIT_ACP_CAPS_STARTED)
+ {
+ bta_av_start_ok (p_scb, NULL);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_set_use_rc
+**
+** Description set to use AVRC for this stream control block.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ p_scb->use_rc = TRUE;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_cco_close
+**
+** Description call close call-out function.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UINT16 mtu;
+ UNUSED(p_data);
+
+ mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU);
+
+ p_scb->p_cos->close(p_scb->hndl, p_scb->codec_type, mtu);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_open_failed
+**
+** Description Failed to open an AVDT stream
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+
+ BOOLEAN is_av_opened = FALSE;
+ tBTA_AV_SCB * p_opened_scb = NULL;
+ UINT8 idx;
+ tBTA_AV_OPEN open;
+
+ APPL_TRACE_DEBUG("bta_av_open_failed");
+ p_scb->open_status = BTA_AV_FAIL_STREAM;
+ bta_av_cco_close(p_scb, p_data);
+
+ /* check whether there is already an opened audio or video connection with the same device */
+ for (idx = 0; (idx < BTA_AV_NUM_STRS) && (is_av_opened == FALSE); idx++ )
+ {
+ p_opened_scb = bta_av_cb.p_scb[idx];
+ if (p_opened_scb && (p_opened_scb->state == BTA_AV_OPEN_SST) && (!bdcmp(p_opened_scb->peer_addr,p_scb->peer_addr )) )
+ is_av_opened = TRUE;
+
+ }
+
+ /* if there is already an active AV connnection with the same bd_addr,
+ don't send disconnect req, just report the open event with BTA_AV_FAIL_GET_CAP status */
+ if (is_av_opened == TRUE)
+ {
+ bdcpy(open.bd_addr, p_scb->peer_addr);
+ open.chnl = p_scb->chnl;
+ open.hndl = p_scb->hndl;
+ open.status = BTA_AV_FAIL_GET_CAP;
+ open.starting = bta_av_chk_start(p_scb);
+ open.edr = 0;
+ /* set the state back to initial state */
+ bta_av_set_scb_sst_init(p_scb);
+
+ if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC )
+ open.sep = AVDT_TSEP_SNK;
+ else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK )
+ open.sep = AVDT_TSEP_SRC;
+
+ (*bta_av_cb.p_cback)(BTA_AV_OPEN_EVT, (tBTA_AV *) &open);
+
+ }
+ else
+ {
+ AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]);
+ }
+}
+
+
+/*******************************************************************************
+**
+** Function bta_av_getcap_results
+**
+** Description Handle the AVDTP get capabilities results. Check the codec
+** type and see if it matches ours. If it does not, get the
+** capabilities of the next stream, if any.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tAVDT_CFG cfg;
+ UINT8 media_type;
+ tAVDT_SEP_INFO *p_info = &p_scb->sep_info[p_scb->sep_info_idx];
+ UINT16 uuid_int; /* UUID for which connection was initiatied */
+
+ memcpy(&cfg, &p_scb->cfg, sizeof(tAVDT_CFG));
+ cfg.num_codec = 1;
+ cfg.num_protect = p_scb->p_cap->num_protect;
+ memcpy(cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE);
+ memcpy(cfg.protect_info, p_scb->p_cap->protect_info, AVDT_PROTECT_SIZE);
+ media_type = p_scb->p_cap->codec_info[BTA_AV_MEDIA_TYPE_IDX] >> 4;
+
+ APPL_TRACE_DEBUG("num_codec %d", p_scb->p_cap->num_codec);
+ APPL_TRACE_DEBUG("media type x%x, x%x", media_type, p_scb->media_type);
+#if AVDT_MULTIPLEXING == TRUE
+ APPL_TRACE_DEBUG("mux x%x, x%x", cfg.mux_mask, p_scb->p_cap->mux_mask);
+#endif
+
+ /* if codec present and we get a codec configuration */
+ if ((p_scb->p_cap->num_codec != 0) &&
+ (media_type == p_scb->media_type) &&
+ (p_scb->p_cos->getcfg(p_scb->hndl, p_scb->p_cap->codec_info[BTA_AV_CODEC_TYPE_IDX],
+ cfg.codec_info, &p_scb->sep_info_idx, p_info->seid,
+ &cfg.num_protect, cfg.protect_info) == 0))
+ {
+#if AVDT_MULTIPLEXING == TRUE
+ cfg.mux_mask &= p_scb->p_cap->mux_mask;
+ APPL_TRACE_DEBUG("mux_mask used x%x", cfg.mux_mask);
+#endif
+ /* save copy of codec type and configuration */
+ p_scb->codec_type = cfg.codec_info[BTA_AV_CODEC_TYPE_IDX];
+ memcpy(&p_scb->cfg, &cfg, sizeof(tAVDT_CFG));
+
+ uuid_int = p_scb->uuid_int;
+ APPL_TRACE_DEBUG(" initiator UUID = 0x%x ", uuid_int);
+ if (uuid_int == UUID_SERVCLASS_AUDIO_SOURCE)
+ bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC));
+ else if (uuid_int == UUID_SERVCLASS_AUDIO_SINK)
+ bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SNK));
+
+ /* use only the services peer supports */
+ cfg.psc_mask &= p_scb->p_cap->psc_mask;
+ p_scb->cur_psc_mask = cfg.psc_mask;
+
+ if ((uuid_int == UUID_SERVCLASS_AUDIO_SINK) &&
+ (p_scb->seps[p_scb->sep_idx].p_app_data_cback != NULL))
+ {
+ APPL_TRACE_DEBUG(" Configure Deoder for Sink Connection ");
+ p_scb->seps[p_scb->sep_idx].p_app_data_cback(BTA_AV_MEDIA_SINK_CFG_EVT,
+ (tBTA_AV_MEDIA*)p_scb->cfg.codec_info);
+ }
+
+ /* open the stream */
+ AVDT_OpenReq(p_scb->seps[p_scb->sep_idx].av_handle, p_scb->peer_addr,
+ p_scb->sep_info[p_scb->sep_info_idx].seid, &cfg);
+
+ if (!bta_av_is_rcfg_sst(p_scb))
+ {
+ /* free capabilities buffer */
+ utl_freebuf((void **) &p_scb->p_cap);
+ }
+ }
+ else
+ {
+ /* try the next stream, if any */
+ p_scb->sep_info_idx++;
+ bta_av_next_getcap(p_scb, p_data);
+ }
+
+}
+
+/*******************************************************************************
+**
+** Function bta_av_setconfig_rej
+**
+** Description Send AVDTP set config reject.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_REJECT reject;
+ UINT8 avdt_handle = p_data->ci_setconfig.avdt_handle;
+
+ bta_av_adjust_seps_idx(p_scb, avdt_handle);
+ APPL_TRACE_DEBUG("bta_av_setconfig_rej: sep_idx: %d",p_scb->sep_idx);
+ AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_UNSUP_CFG, 0);
+
+ bdcpy(reject.bd_addr, p_data->str_msg.bd_addr);
+ reject.hndl = p_scb->hndl;
+ (*bta_av_cb.p_cback)(BTA_AV_REJECT_EVT, (tBTA_AV *) &reject);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_discover_req
+**
+** Description Send an AVDTP discover request to the peer.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ /* send avdtp discover request */
+
+ AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, bta_av_dt_cback[p_scb->hdi]);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_conn_failed
+**
+** Description AVDTP connection failed.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ p_scb->open_status = BTA_AV_FAIL_STREAM;
+ bta_av_str_closed(p_scb, p_data);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_do_start
+**
+** Description Start stream.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UINT8 policy = HCI_ENABLE_SNIFF_MODE;
+ UINT8 cur_role;
+
+ APPL_TRACE_DEBUG("bta_av_do_start sco_occupied:%d, role:x%x, started:%d", bta_av_cb.sco_occupied, p_scb->role, p_scb->started);
+ if (bta_av_cb.sco_occupied)
+ {
+ bta_av_start_failed(p_scb, p_data);
+ return;
+ }
+
+ /* disallow role switch during streaming, only if we are the master role
+ * i.e. allow role switch, if we are slave.
+ * It would not hurt us, if the peer device wants us to be master */
+ if ((BTM_GetRole (p_scb->peer_addr, &cur_role) == BTM_SUCCESS) &&
+ (cur_role == BTM_ROLE_MASTER) )
+ {
+ policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
+ }
+
+ bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr);
+
+ if ((p_scb->started == FALSE) && ((p_scb->role & BTA_AV_ROLE_START_INT) == 0))
+ {
+ p_scb->role |= BTA_AV_ROLE_START_INT;
+ bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
+
+ AVDT_StartReq(&p_scb->avdt_handle, 1);
+ }
+ else if (p_scb->started)
+ {
+ p_scb->role |= BTA_AV_ROLE_START_INT;
+ if ( p_scb->wait == 0 ) {
+ if (p_scb->role & BTA_AV_ROLE_SUSPEND) {
+ notify_start_failed(p_scb);
+ } else {
+ bta_av_start_ok(p_scb, NULL);
+ }
+ }
+ }
+ APPL_TRACE_DEBUG("started %d role:x%x", p_scb->started, p_scb->role);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_str_stopped
+**
+** Description Stream stopped.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_SUSPEND suspend_rsp;
+ UINT8 start = p_scb->started;
+ BOOLEAN sus_evt = TRUE;
+ BT_HDR *p_buf;
+ UINT8 policy = HCI_ENABLE_SNIFF_MODE;
+
+ APPL_TRACE_ERROR("bta_av_str_stopped:audio_open_cnt=%d, p_data %x",
+ bta_av_cb.audio_open_cnt, p_data);
+
+ bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
+ if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1)
+ policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
+ bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr);
+
+ if (p_scb->co_started)
+ {
+ bta_av_stream_chg(p_scb, FALSE);
+ p_scb->co_started = FALSE;
+
+ p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type);
+ L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO);
+ }
+
+ /* if q_info.a2d_list is not empty, drop it now */
+ if (BTA_AV_CHNL_AUDIO == p_scb->chnl) {
+ while (!list_is_empty(p_scb->a2d_list))
+ {
+ p_buf = (BT_HDR *)list_front(p_scb->a2d_list);
+ list_remove(p_scb->a2d_list, p_buf);
+ GKI_freebuf(p_buf);
+ }
+
+ /* drop the audio buffers queued in L2CAP */
+ if (p_data && p_data->api_stop.flush)
+ L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
+ }
+
+ suspend_rsp.chnl = p_scb->chnl;
+ suspend_rsp.hndl = p_scb->hndl;
+
+ if (p_data && p_data->api_stop.suspend)
+ {
+ APPL_TRACE_DEBUG("suspending: %d, sup:%d", start, p_scb->suspend_sup);
+ if ((start) && (p_scb->suspend_sup))
+ {
+ sus_evt = FALSE;
+ p_scb->l2c_bufs = 0;
+ AVDT_SuspendReq(&p_scb->avdt_handle, 1);
+ }
+
+ /* send SUSPEND_EVT event only if not in reconfiguring state and sus_evt is TRUE*/
+ if ((sus_evt)&&(p_scb->state != BTA_AV_RCFG_SST))
+ {
+ suspend_rsp.status = BTA_AV_SUCCESS;
+ suspend_rsp.initiator = TRUE;
+ (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV *) &suspend_rsp);
+ }
+ }
+ else
+ {
+ suspend_rsp.status = BTA_AV_SUCCESS;
+ suspend_rsp.initiator = TRUE;
+ APPL_TRACE_EVENT("bta_av_str_stopped status %d", suspend_rsp.status);
+
+ /* send STOP_EVT event only if not in reconfiguring state */
+ if (p_scb->state != BTA_AV_RCFG_SST)
+ {
+ (*bta_av_cb.p_cback)(BTA_AV_STOP_EVT, (tBTA_AV *) &suspend_rsp);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_reconfig
+**
+** Description process the reconfigure request.
+** save the parameter in control block and
+** suspend, reconfigure or close the stream
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tAVDT_CFG *p_cfg;
+ tBTA_AV_API_STOP stop;
+ tBTA_AV_RECONFIG evt;
+ tBTA_AV_API_RCFG *p_rcfg = &p_data->api_reconfig;
+
+ APPL_TRACE_DEBUG("bta_av_reconfig r:%d, s:%d idx: %d (o:%d)",
+ p_scb->recfg_sup, p_scb->suspend_sup,
+ p_scb->rcfg_idx, p_scb->sep_info_idx);
+
+ p_scb->num_recfg = 0;
+ /* store the new configuration in control block */
+ if (p_scb->p_cap == NULL)
+ {
+ p_scb->p_cap = (tAVDT_CFG *) GKI_getbuf(sizeof(tAVDT_CFG));
+ }
+ if((p_cfg = p_scb->p_cap) == NULL)
+ {
+ /* report failure */
+ evt.status = BTA_AV_FAIL_RESOURCES;
+ evt.chnl = p_scb->chnl;
+ evt.hndl = p_scb->hndl;
+ (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
+
+ /* this event is not possible in this state.
+ * use it to bring the SSM back to open state */
+ bta_av_ssm_execute(p_scb, BTA_AV_SDP_DISC_OK_EVT, NULL);
+ return;
+ }
+
+ /*if(bta_av_cb.features & BTA_AV_FEAT_RCCT)*/
+ bta_sys_stop_timer(&p_scb->timer);
+
+ memcpy(p_cfg, &p_scb->cfg, sizeof(tAVDT_CFG));
+ p_cfg->num_protect = p_rcfg->num_protect;
+ memcpy(p_cfg->codec_info, p_rcfg->codec_info, AVDT_CODEC_SIZE);
+ memcpy(p_cfg->protect_info, p_rcfg->p_protect_info, p_rcfg->num_protect);
+ p_scb->rcfg_idx = p_rcfg->sep_info_idx;
+ p_scb->p_cap->psc_mask = p_scb->cur_psc_mask;
+
+ /* if the requested index differs from the current one, we can only close/open */
+ if ((p_scb->rcfg_idx == p_scb->sep_info_idx) &&
+ (p_rcfg->suspend)&& (p_scb->recfg_sup) && (p_scb->suspend_sup))
+ {
+ if(p_scb->started)
+ {
+ stop.flush = FALSE;
+ stop.suspend = TRUE;
+ bta_av_str_stopped(p_scb, (tBTA_AV_DATA *)&stop);
+ }
+ else
+ {
+ APPL_TRACE_DEBUG("Reconfig");
+ AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap);
+ p_scb->p_cap->psc_mask = p_scb->cur_psc_mask;
+ }
+ }
+ else
+ {
+ /* close the stream */
+ APPL_TRACE_DEBUG("close/open num_protect: %d", p_cfg->num_protect);
+ if(p_scb->started)
+ {
+ bta_av_str_stopped(p_scb, NULL);
+ p_scb->started = FALSE;
+
+ /* drop the buffers queued in L2CAP */
+ L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
+
+ AVDT_CloseReq(p_scb->avdt_handle);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_data_path
+**
+** Description Handle stream data path.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ BT_HDR *p_buf = NULL;
+ UINT32 data_len;
+ UINT32 timestamp;
+ BOOLEAN new_buf = FALSE;
+ UINT8 m_pt = 0x60 | p_scb->codec_type;
+ tAVDT_DATA_OPT_MASK opt;
+ UNUSED(p_data);
+
+ if (p_scb->cong)
+ {
+ return;
+ }
+
+ /*
+ APPL_TRACE_ERROR("q: %d", p_scb->l2c_bufs);
+ */
+ //Always get the current number of bufs que'd up
+ p_scb->l2c_bufs = (UINT8)L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_GET);
+
+ if (!list_is_empty(p_scb->a2d_list)) {
+ p_buf = (BT_HDR *)list_front(p_scb->a2d_list);
+ list_remove(p_scb->a2d_list, p_buf);
+ /* use q_info.a2d data, read the timestamp */
+ timestamp = *(UINT32 *)(p_buf + 1);
+ }
+ else
+ {
+ new_buf = TRUE;
+ /* a2d_list empty, call co_data, dup data to other channels */
+ p_buf = (BT_HDR *)p_scb->p_cos->data(p_scb->codec_type, &data_len,
+ ×tamp);
+
+ if (p_buf)
+ {
+ /* use the offset area for the time stamp */
+ *(UINT32 *)(p_buf + 1) = timestamp;
+
+ /* dup the data to other channels */
+ bta_av_dup_audio_buf(p_scb, p_buf);
+ }
+ }
+
+ if(p_buf)
+ {
+ if(p_scb->l2c_bufs < (BTA_AV_QUEUE_DATA_CHK_NUM))
+ {
+ /* there's a buffer, just queue it to L2CAP */
+ /* There's no need to increment it here, it is always read from L2CAP see above */
+ /* p_scb->l2c_bufs++; */
+ /*
+ APPL_TRACE_ERROR("qw: %d", p_scb->l2c_bufs);
+ */
+
+ /* opt is a bit mask, it could have several options set */
+ opt = AVDT_DATA_OPT_NONE;
+ if (p_scb->no_rtp_hdr)
+ {
+ opt |= AVDT_DATA_OPT_NO_RTP;
+ }
+
+ AVDT_WriteReqOpt(p_scb->avdt_handle, p_buf, timestamp, m_pt, opt);
+ p_scb->cong = TRUE;
+ }
+ else
+ {
+ /* there's a buffer, but L2CAP does not seem to be moving data */
+ if(new_buf)
+ {
+ /* just got this buffer from co_data,
+ * put it in queue */
+ list_append(p_scb->a2d_list, p_buf);
+ }
+ else
+ {
+ /* just dequeue it from the a2d_list */
+ if (list_length(p_scb->a2d_list) < 3) {
+ /* put it back to the queue */
+ list_prepend(p_scb->a2d_list, p_buf);
+ }
+ else
+ {
+ /* too many buffers in a2d_list, drop it. */
+ bta_av_co_audio_drop(p_scb->hndl);
+ GKI_freebuf(p_buf);
+ }
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_start_ok
+**
+** Description Stream started.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_START start;
+ tBTA_AV_API_STOP stop;
+ BOOLEAN initiator = FALSE;
+ BOOLEAN suspend = FALSE;
+ UINT16 flush_to;
+ UINT8 new_role = p_scb->role;
+ BT_HDR hdr;
+ UINT8 policy = HCI_ENABLE_SNIFF_MODE;
+ UINT8 cur_role;
+
+ APPL_TRACE_DEBUG("bta_av_start_ok wait:x%x, role:x%x", p_scb->wait, p_scb->role);
+
+ p_scb->started = TRUE;
+ if (p_scb->sco_suspend)
+ {
+ p_scb->sco_suspend = FALSE;
+ }
+
+ if (new_role & BTA_AV_ROLE_START_INT)
+ initiator = TRUE;
+
+ /* for A2DP SINK we do not send get_caps */
+ if ((p_scb->avdt_handle == p_scb->seps[p_scb->sep_idx].av_handle)
+ &&(p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK))
+ {
+ p_scb->wait &= ~(BTA_AV_WAIT_ACP_CAPS_ON);
+ APPL_TRACE_DEBUG(" Local SEP type is SNK new wait is 0x%x",p_scb->wait);
+ }
+ if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_FAILED)
+ {
+ /* role switch has failed */
+ p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_FAILED;
+ p_data = (tBTA_AV_DATA *)&hdr;
+ hdr.offset = BTA_AV_RS_FAIL;
+ }
+ APPL_TRACE_DEBUG("wait:x%x", p_scb->wait);
+
+ if (p_data && (p_data->hdr.offset != BTA_AV_RS_NONE))
+ {
+ p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
+ if (p_data->hdr.offset == BTA_AV_RS_FAIL)
+ {
+ bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
+ start.chnl = p_scb->chnl;
+ start.status = BTA_AV_FAIL_ROLE;
+ start.hndl = p_scb->hndl;
+ start.initiator = initiator;
+ (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
+ return;
+ }
+ }
+
+ if (!bta_av_link_role_ok(p_scb, A2D_SET_ONE_BIT))
+ p_scb->q_tag = BTA_AV_Q_TAG_START;
+ else
+ {
+ /* The wait flag may be set here while we are already master on the link */
+ /* this could happen if a role switch complete event occurred during reconfig */
+ /* if we are now master on the link, there is no need to wait for the role switch, */
+ /* complete anymore so we can clear the wait for role switch flag */
+ p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
+ }
+
+ if (p_scb->wait & (BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START))
+ {
+ p_scb->wait |= BTA_AV_WAIT_ROLE_SW_STARTED;
+ p_scb->q_tag = BTA_AV_Q_TAG_START;
+ }
+
+ if (p_scb->wait)
+ {
+ APPL_TRACE_ERROR("wait:x%x q_tag:%d- not started", p_scb->wait, p_scb->q_tag);
+ /* Clear first bit of p_scb->wait and not to return from this point else
+ * HAL layer gets blocked. And if there is delay in Get Capability response as
+ * first bit of p_scb->wait is cleared hence it ensures bt_av_start_ok is not called
+ * again from bta_av_save_caps.
+ */
+ p_scb->wait &= ~BTA_AV_WAIT_ACP_CAPS_ON;
+ }
+
+ /* tell role manager to check M/S role */
+ bta_sys_conn_open(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
+
+ bta_sys_busy(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
+
+ if(p_scb->media_type == AVDT_MEDIA_AUDIO)
+ {
+ /* in normal logic, conns should be bta_av_cb.audio_count - 1,
+ * However, bta_av_stream_chg is not called to increase bta_av_cb.audio_count yet.
+ * If the code were to be re-arranged for some reasons, this number may need to be changed
+ */
+ p_scb->co_started = bta_av_cb.audio_open_cnt;
+ flush_to = p_bta_av_cfg->p_audio_flush_to[p_scb->co_started - 1];
+ }
+ else
+ {
+ flush_to = p_bta_av_cfg->video_flush_to;
+ }
+ L2CA_SetFlushTimeout(p_scb->peer_addr, flush_to );
+
+ /* clear the congestion flag */
+ p_scb->cong = FALSE;
+
+ if (new_role & BTA_AV_ROLE_START_INT)
+ {
+ new_role &= ~BTA_AV_ROLE_START_INT;
+ }
+ else if ((new_role & BTA_AV_ROLE_AD_ACP) && (new_role & BTA_AV_ROLE_SUSPEND_OPT))
+ {
+ suspend = TRUE;
+ }
+
+ if (!suspend)
+ {
+ p_scb->q_tag = BTA_AV_Q_TAG_STREAM;
+ bta_av_stream_chg(p_scb, TRUE);
+ }
+
+ {
+ /* If sink starts stream, disable sniff mode here */
+ if (!initiator)
+ {
+ /* If souce is the master role, disable role switch during streaming.
+ * Otherwise allow role switch, if source is slave.
+ * Because it would not hurt source, if the peer device wants source to be master */
+ if ((BTM_GetRole (p_scb->peer_addr, &cur_role) == BTM_SUCCESS) &&
+ (cur_role == BTM_ROLE_MASTER) )
+ {
+ policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
+ }
+
+ bta_sys_clear_policy(BTA_ID_AV, policy, p_scb->peer_addr);
+ }
+
+ p_scb->role = new_role;
+ p_scb->role &= ~BTA_AV_ROLE_AD_ACP;
+ p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT;
+
+ p_scb->no_rtp_hdr = FALSE;
+ p_scb->p_cos->start(p_scb->hndl, p_scb->codec_type, p_scb->cfg.codec_info, &p_scb->no_rtp_hdr);
+ p_scb->co_started = TRUE;
+
+ APPL_TRACE_DEBUG("bta_av_start_ok suspending: %d, role:x%x, init %d",
+ suspend, p_scb->role, initiator);
+
+ start.suspending = suspend;
+ start.initiator = initiator;
+ start.chnl = p_scb->chnl;
+ start.status = BTA_AV_SUCCESS;
+ start.hndl = p_scb->hndl;
+ (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
+
+ if(suspend)
+ {
+ p_scb->role |= BTA_AV_ROLE_SUSPEND;
+ p_scb->cong = TRUE; /* do not allow the media data to go through */
+ /* do not duplicate the media packets to this channel */
+ p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type);
+ p_scb->co_started = FALSE;
+ stop.flush = FALSE;
+ stop.suspend = TRUE;
+ bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA *)&stop);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_start_failed
+**
+** Description Stream start failed.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ if(p_scb->started == FALSE && p_scb->co_started == FALSE)
+ {
+ bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
+ notify_start_failed(p_scb);
+ }
+
+ bta_sys_set_policy(BTA_ID_AV, (HCI_ENABLE_SNIFF_MODE|HCI_ENABLE_MASTER_SLAVE_SWITCH), p_scb->peer_addr);
+ p_scb->sco_suspend = FALSE;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_str_closed
+**
+** Description Stream closed.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV data;
+ tBTA_AV_EVT event;
+ UINT16 mtu;
+ UINT8 policy = HCI_ENABLE_SNIFF_MODE;
+
+ if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1)
+ policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
+ bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr);
+ if (bta_av_cb.audio_open_cnt <= 1)
+ {
+ /* last connection - restore the allow switch flag */
+ L2CA_SetDesireRole(L2CAP_ROLE_ALLOW_SWITCH);
+ }
+
+ if (p_scb->open_status)
+ {
+ /* must be failure when opening the stream */
+ bdcpy(data.open.bd_addr, p_scb->peer_addr);
+ data.open.status = p_scb->open_status;
+ data.open.chnl = p_scb->chnl;
+ data.open.hndl = p_scb->hndl;
+
+ if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SRC )
+ data.open.sep = AVDT_TSEP_SNK;
+ else if (p_scb->seps[p_scb->sep_idx].tsep == AVDT_TSEP_SNK )
+ data.open.sep = AVDT_TSEP_SRC;
+
+ event = BTA_AV_OPEN_EVT;
+ p_scb->open_status = BTA_AV_SUCCESS;
+
+ bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
+ bta_av_cleanup(p_scb, p_data);
+ (*bta_av_cb.p_cback)(event, &data);
+ }
+ else
+ {
+ /* do stop if we were started */
+ if (p_scb->co_started)
+ {
+ bta_av_str_stopped(p_scb, NULL);
+ }
+
+ /* Update common mtu shared by remaining connectons */
+ mtu = bta_av_chk_mtu(p_scb, BTA_AV_MAX_A2DP_MTU);
+
+ {
+ p_scb->p_cos->close(p_scb->hndl, p_scb->codec_type, mtu);
+ data.close.chnl = p_scb->chnl;
+ data.close.hndl = p_scb->hndl;
+ event = BTA_AV_CLOSE_EVT;
+
+ bta_sys_conn_close(BTA_ID_AV, p_scb->app_id, p_scb->peer_addr);
+ bta_av_cleanup(p_scb, p_data);
+ (*bta_av_cb.p_cback)(event, &data);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_clr_cong
+**
+** Description Clear stream congestion flag.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ if(p_scb->co_started)
+ p_scb->cong = FALSE;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_suspend_cfm
+**
+** Description process the suspend response
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_SUSPEND suspend_rsp;
+ UINT8 err_code = p_data->str_msg.msg.hdr.err_code;
+ UINT8 policy = HCI_ENABLE_SNIFF_MODE;
+
+ APPL_TRACE_DEBUG ("bta_av_suspend_cfm:audio_open_cnt = %d, err_code = %d",
+ bta_av_cb.audio_open_cnt, err_code);
+
+ if (p_scb->started == FALSE)
+ {
+ /* handle the condition where there is a collision of SUSPEND req from either side
+ ** Second SUSPEND req could be rejected. Do not treat this as a failure
+ */
+ APPL_TRACE_WARNING("bta_av_suspend_cfm: already suspended, ignore, err_code %d",
+ err_code);
+ return;
+ }
+
+ suspend_rsp.status = BTA_AV_SUCCESS;
+ if (err_code && (err_code != AVDT_ERR_BAD_STATE))
+ {
+ /* Disable suspend feature only with explicit rejection(not with timeout) */
+ if (err_code != AVDT_ERR_TIMEOUT)
+ {
+ p_scb->suspend_sup = FALSE;
+ }
+ suspend_rsp.status = BTA_AV_FAIL;
+
+ APPL_TRACE_ERROR ("bta_av_suspend_cfm: suspend failed, closing connection");
+
+ /* SUSPEND failed. Close connection. */
+ bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL);
+ }
+ else
+ {
+ /* only set started to FALSE when suspend is successful */
+ p_scb->started = FALSE;
+ }
+
+ if (p_scb->role & BTA_AV_ROLE_SUSPEND)
+ {
+ p_scb->role &= ~BTA_AV_ROLE_SUSPEND;
+ p_scb->cong = FALSE;
+ }
+
+ bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->peer_addr);
+ if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 || bta_av_cb.audio_open_cnt == 1)
+ policy |= HCI_ENABLE_MASTER_SLAVE_SWITCH;
+ bta_sys_set_policy(BTA_ID_AV, policy, p_scb->peer_addr);
+
+ /* in case that we received suspend_ind, we may need to call co_stop here */
+ if(p_scb->co_started)
+ {
+ bta_av_stream_chg(p_scb, FALSE);
+
+ {
+ p_scb->co_started = FALSE;
+ p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type);
+ }
+ L2CA_SetFlushTimeout(p_scb->peer_addr, L2CAP_DEFAULT_FLUSH_TO);
+ }
+
+ {
+ suspend_rsp.chnl = p_scb->chnl;
+ suspend_rsp.hndl = p_scb->hndl;
+ suspend_rsp.initiator = p_data->str_msg.initiator;
+ (*bta_av_cb.p_cback)(BTA_AV_SUSPEND_EVT, (tBTA_AV *) &suspend_rsp);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rcfg_str_ok
+**
+** Description report reconfigure successful
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RECONFIG evt;
+ UNUSED(p_data);
+
+ p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle);
+ APPL_TRACE_DEBUG("bta_av_rcfg_str_ok: l2c_cid: %d", p_scb->l2c_cid);
+
+ /* rc listen */
+ bta_av_st_rc_timer(p_scb, NULL);
+ utl_freebuf((void **)&p_scb->p_cap);
+
+ /* No need to keep the role bits once reconfig is done. */
+ p_scb->role &= ~BTA_AV_ROLE_AD_ACP;
+ p_scb->role &= ~BTA_AV_ROLE_SUSPEND_OPT;
+ p_scb->role &= ~BTA_AV_ROLE_START_INT;
+
+ {
+ /* reconfigure success */
+ evt.status = BTA_AV_SUCCESS;
+ evt.chnl = p_scb->chnl;
+ evt.hndl = p_scb->hndl;
+ (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rcfg_failed
+**
+** Description process reconfigure failed
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RECONFIG evt;
+
+ APPL_TRACE_DEBUG("bta_av_rcfg_failed num_recfg: %d, conn_lcb:0x%x",
+ p_scb->num_recfg, bta_av_cb.conn_lcb);
+ if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY)
+ {
+ bta_av_cco_close(p_scb, p_data);
+ /* report failure */
+ evt.status = BTA_AV_FAIL_STREAM;
+ evt.chnl = p_scb->chnl;
+ evt.hndl = p_scb->hndl;
+ (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
+ /* go to closing state */
+ bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, NULL);
+ }
+ else
+ {
+ /* open failed. try again */
+ p_scb->num_recfg++;
+ if(bta_av_cb.conn_lcb)
+ {
+ AVDT_DisconnectReq(p_scb->peer_addr, bta_av_dt_cback[p_scb->hdi]);
+ }
+ else
+ {
+ bta_av_connect_req(p_scb, NULL);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rcfg_connect
+**
+** Description stream closed. reconnect the stream
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ p_scb->cong = FALSE;
+ p_scb->num_recfg++;
+ APPL_TRACE_DEBUG("bta_av_rcfg_connect num_recfg: %d", p_scb->num_recfg);
+ if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY)
+ {
+ /* let bta_av_rcfg_failed report fail */
+ bta_av_rcfg_failed(p_scb, NULL);
+ }
+ else
+ AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rcfg_discntd
+**
+** Description AVDT disconnected. reconnect the stream
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RECONFIG evt;
+ UNUSED(p_data);
+
+ APPL_TRACE_DEBUG("bta_av_rcfg_discntd num_recfg: %d", p_scb->num_recfg);
+ p_scb->num_recfg++;
+ if(p_scb->num_recfg > BTA_AV_RECONFIG_RETRY)
+ {
+ /* report failure */
+ evt.status = BTA_AV_FAIL_STREAM;
+ evt.chnl = p_scb->chnl;
+ evt.hndl = p_scb->hndl;
+ (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
+ /* report close event & go to init state */
+ bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL);
+ }
+ else
+ AVDT_ConnectReq(p_scb->peer_addr, p_scb->sec_mask, bta_av_dt_cback[p_scb->hdi]);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_suspend_cont
+**
+** Description received the suspend response.
+** continue to reconfigure the stream
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UINT8 err_code = p_data->str_msg.msg.hdr.err_code;
+ tBTA_AV_RECONFIG evt;
+
+ p_scb->started = FALSE;
+ p_scb->cong = FALSE;
+ if (err_code)
+ {
+ if (AVDT_ERR_CONNECT == err_code)
+ {
+ /* report failure */
+ evt.status = BTA_AV_FAIL;
+ (*bta_av_cb.p_cback)(BTA_AV_RECONFIG_EVT, (tBTA_AV *)&evt);
+ bta_av_ssm_execute(p_scb, BTA_AV_STR_DISC_FAIL_EVT, NULL);
+ }
+ else
+ {
+ APPL_TRACE_ERROR("suspend rejected, try close");
+ /* Disable suspend feature only with explicit rejection(not with timeout) */
+ if (err_code != AVDT_ERR_TIMEOUT)
+ {
+ p_scb->suspend_sup = FALSE;
+ }
+ /* drop the buffers queued in L2CAP */
+ L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
+
+ AVDT_CloseReq(p_scb->avdt_handle);
+ }
+ }
+ else
+ {
+ APPL_TRACE_DEBUG("bta_av_suspend_cont calling AVDT_ReconfigReq");
+ /* reconfig the stream */
+
+ AVDT_ReconfigReq(p_scb->avdt_handle, p_scb->p_cap);
+ p_scb->p_cap->psc_mask = p_scb->cur_psc_mask;
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rcfg_cfm
+**
+** Description if reconfigure is successful, report the event
+** otherwise, close the stream.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UINT8 err_code = p_data->str_msg.msg.hdr.err_code;
+
+ /*
+ APPL_TRACE_DEBUG("bta_av_rcfg_cfm");
+ */
+ if (err_code)
+ {
+ APPL_TRACE_ERROR("reconfig rejected, try close");
+ /* Disable reconfiguration feature only with explicit rejection(not with timeout) */
+ if (err_code != AVDT_ERR_TIMEOUT)
+ {
+ p_scb->recfg_sup = FALSE;
+ }
+ /* started flag is FALSE when reconfigure command is sent */
+ /* drop the buffers queued in L2CAP */
+ L2CA_FlushChannel (p_scb->l2c_cid, L2CAP_FLUSH_CHANS_ALL);
+ AVDT_CloseReq(p_scb->avdt_handle);
+ }
+ else
+ {
+ /* update the codec info after rcfg cfm */
+ memcpy(p_scb->cfg.codec_info,p_data->str_msg.msg.reconfig_cfm.p_cfg->codec_info,AVDT_CODEC_SIZE);
+ /* take the SSM back to OPEN state */
+ bta_av_ssm_execute(p_scb, BTA_AV_STR_OPEN_OK_EVT, NULL);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rcfg_open
+**
+** Description AVDT is connected. open the stream with the new configuration
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ APPL_TRACE_DEBUG("bta_av_rcfg_open, num_disc_snks = %d", p_scb->num_disc_snks);
+
+ if (p_scb->num_disc_snks == 0)
+ {
+ /* Need to update call-out module so that it will be ready for discover */
+ p_scb->p_cos->stop(p_scb->hndl, p_scb->codec_type);
+
+ /* send avdtp discover request */
+ AVDT_DiscoverReq(p_scb->peer_addr, p_scb->sep_info, BTA_AV_NUM_SEPS, bta_av_dt_cback[p_scb->hdi]);
+ }
+ else
+ {
+ p_scb->codec_type = p_scb->p_cap->codec_info[BTA_AV_CODEC_TYPE_IDX];
+ memcpy(p_scb->cfg.codec_info, p_scb->p_cap->codec_info, AVDT_CODEC_SIZE);
+ /* we may choose to use a different SEP at reconfig.
+ * adjust the sep_idx now */
+ bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC));
+
+ /* open the stream with the new config */
+ p_scb->sep_info_idx = p_scb->rcfg_idx;
+ AVDT_OpenReq(p_scb->avdt_handle, p_scb->peer_addr,
+ p_scb->sep_info[p_scb->sep_info_idx].seid, p_scb->p_cap);
+ }
+
+}
+
+/*******************************************************************************
+**
+** Function bta_av_security_rej
+**
+** Description Send an AVDTP security reject.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+
+ AVDT_SecurityRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_BAD_STATE,
+ NULL, 0);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_chk_2nd_start
+**
+** Description check if this is 2nd stream and if it needs to be started.
+** This function needs to be kept very similar to bta_av_chk_start
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_SCB *p_scbi;
+ int i;
+ BOOLEAN new_started = FALSE;
+ UNUSED(p_data);
+
+ if ((p_scb->chnl == BTA_AV_CHNL_AUDIO) && (bta_av_cb.audio_open_cnt >= 2))
+ {
+ /* more than one audio channel is connected */
+ if (!(p_scb->role & BTA_AV_ROLE_SUSPEND_OPT))
+ {
+ /* this channel does not need to be reconfigured.
+ * if there is other channel streaming, start the stream now */
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scbi = bta_av_cb.p_scb[i];
+ if(p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started)
+ {
+ if (!new_started)
+ {
+ /* start the new stream */
+ new_started = TRUE;
+ bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
+ }
+ /* may need to update the flush timeout of this already started stream */
+ if (p_scbi->co_started != bta_av_cb.audio_open_cnt)
+ {
+ p_scbi->co_started = bta_av_cb.audio_open_cnt;
+ L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] );
+ }
+ }
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_open_rc
+**
+** Description Send a message to main SM to open RC channel.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_START start;
+
+ APPL_TRACE_DEBUG("bta_av_open_rc use_rc: %d, wait: x%x role:x%x", p_scb->use_rc, p_scb->wait, p_scb->role);
+ if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) && (p_scb->q_tag == BTA_AV_Q_TAG_START))
+ {
+ /* waiting for role switch for some reason & the timer expires */
+ if (!bta_av_link_role_ok(p_scb, A2D_SET_ONE_BIT))
+ {
+ APPL_TRACE_ERROR ("failed to start streaming for role management reasons!!");
+ bta_sys_stop_timer(&p_scb->timer);
+ start.chnl = p_scb->chnl;
+ start.status = BTA_AV_FAIL_ROLE;
+ start.initiator = TRUE;
+ start.hndl = p_scb->hndl;
+ p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_BITS;
+ bta_av_cb.rs_idx = 0;
+ (*bta_av_cb.p_cback)(BTA_AV_START_EVT, (tBTA_AV *) &start);
+ }
+ else
+ {
+ /* role switch is done. continue to start streaming */
+ bta_av_cb.rs_idx = 0;
+ p_data->hdr.offset = BTA_AV_RS_OK;
+ bta_av_start_ok (p_scb, p_data);
+ }
+ return;
+ }
+
+ if(p_scb->use_rc == TRUE || (p_scb->role & BTA_AV_ROLE_AD_ACP) )
+ {
+ if(bta_av_cb.disc)
+ {
+ /* AVRC discover db is in use */
+ if(p_scb->rc_handle == BTA_AV_RC_HANDLE_NONE)
+ {
+ /* AVRC channel is not connected. delay a little bit */
+ if ((p_scb->wait & BTA_AV_WAIT_ROLE_SW_BITS) == 0)
+ bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RC_DISC_TIME_VAL);
+ else
+ p_scb->wait |= BTA_AV_WAIT_CHECK_RC;
+ }
+ }
+ else
+ {
+ /* use main SM for AVRC SDP activities */
+ bta_av_rc_disc((UINT8)(p_scb->hdi + 1));
+ }
+ }
+ else
+ {
+ if(BTA_AV_RC_HANDLE_NONE != p_scb->rc_handle)
+ {
+ /* the open API said that this handle does not want a RC connection.
+ * disconnect it now */
+ AVRC_Close(p_scb->rc_handle);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_open_at_inc
+**
+** Description This function is called if API open is called by application
+** while state-machine is at incoming state.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_API_OPEN *p_buf;
+
+ memcpy (&(p_scb->open_api), &(p_data->api_open), sizeof(tBTA_AV_API_OPEN));
+
+ if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR)
+ {
+ p_scb->coll_mask |= BTA_AV_COLL_API_CALLED;
+
+ /* API open will be handled at timeout if SNK did not start signalling. */
+ /* API open will be ignored if SNK starts signalling. */
+ }
+ else
+ {
+ /* SNK did not start signalling, API was called N seconds timeout. */
+ /* We need to switch to INIT state and start opening connection. */
+ p_scb->coll_mask = 0;
+ bta_av_set_scb_sst_init (p_scb);
+
+ if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL)
+ {
+ memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN));
+ bta_sys_sendmsg(p_buf);
+ }
+ }
+}
+
+#endif /* BTA_AV_INCLUDED */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This file contains action functions for advanced audio/video main state
+ * machine.
+ *
+ ******************************************************************************/
+
+#include "bt_target.h"
+#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
+
+#include <string.h>
+#include "bta_av_api.h"
+#include "bta_av_int.h"
+#include "avdt_api.h"
+#include "utl.h"
+#include "l2c_api.h"
+// #include "osi/include/list.h"
+#include "list.h"
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+#include "bta_ar_api.h"
+#endif
+
+#define LOG_TAG "bt_bta_av"
+// #include "osi/include/log.h"
+#include "bt_trace.h"
+
+/*****************************************************************************
+** Constants
+*****************************************************************************/
+/* the timer in milliseconds to wait for open req after setconfig for incoming connections */
+#ifndef BTA_AV_SIG_TIME_VAL
+#define BTA_AV_SIG_TIME_VAL 8000
+#endif
+
+/* In millisec to wait for signalling from SNK when it is initiated from SNK. */
+/* If not, we will start signalling from SRC. */
+#ifndef BTA_AV_ACP_SIG_TIME_VAL
+#define BTA_AV_ACP_SIG_TIME_VAL 2000
+#endif
+
+static void bta_av_acp_sig_timer_cback (TIMER_LIST_ENT *p_tle);
+
+/*******************************************************************************
+**
+** Function bta_av_get_rcb_by_shdl
+**
+** Description find the RCB associated with the given SCB handle.
+**
+** Returns tBTA_AV_RCB
+**
+*******************************************************************************/
+tBTA_AV_RCB * bta_av_get_rcb_by_shdl(UINT8 shdl)
+{
+ tBTA_AV_RCB *p_rcb = NULL;
+ int i;
+
+ for (i=0; i<BTA_AV_NUM_RCB; i++)
+ {
+ if (bta_av_cb.rcb[i].shdl == shdl && bta_av_cb.rcb[i].handle != BTA_AV_RC_HANDLE_NONE)
+ {
+ p_rcb = &bta_av_cb.rcb[i];
+ break;
+ }
+ }
+ return p_rcb;
+}
+#define BTA_AV_STS_NO_RSP 0xFF /* a number not used by tAVRC_STS */
+
+/*******************************************************************************
+**
+** Function bta_av_del_rc
+**
+** Description delete the given AVRC handle.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_del_rc(tBTA_AV_RCB *p_rcb)
+{
+ tBTA_AV_SCB *p_scb;
+ UINT8 rc_handle; /* connected AVRCP handle */
+
+ p_scb = NULL;
+ if(p_rcb->handle != BTA_AV_RC_HANDLE_NONE)
+ {
+ if(p_rcb->shdl)
+ {
+ /* Validate array index*/
+ if ((p_rcb->shdl - 1) < BTA_AV_NUM_STRS)
+ {
+ p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1];
+ }
+ if(p_scb)
+ {
+ APPL_TRACE_DEBUG("bta_av_del_rc shdl:%d, srch:%d rc_handle:%d", p_rcb->shdl,
+ p_scb->rc_handle, p_rcb->handle);
+ if(p_scb->rc_handle == p_rcb->handle)
+ p_scb->rc_handle = BTA_AV_RC_HANDLE_NONE;
+ /* just in case the RC timer is active
+ if(bta_av_cb.features & BTA_AV_FEAT_RCCT && p_scb->chnl == BTA_AV_CHNL_AUDIO) */
+ bta_sys_stop_timer(&p_scb->timer);
+ }
+ }
+
+ APPL_TRACE_EVENT("bta_av_del_rc handle: %d status=0x%x, rc_acp_handle:%d, idx:%d",
+ p_rcb->handle, p_rcb->status, bta_av_cb.rc_acp_handle, bta_av_cb.rc_acp_idx);
+ rc_handle = p_rcb->handle;
+ if(!(p_rcb->status & BTA_AV_RC_CONN_MASK) ||
+ ((p_rcb->status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT) )
+ {
+ p_rcb->status = 0;
+ p_rcb->handle = BTA_AV_RC_HANDLE_NONE;
+ p_rcb->shdl = 0;
+ p_rcb->lidx = 0;
+ }
+ /* else ACP && connected. do not clear the handle yet */
+ AVRC_Close(rc_handle);
+ if (rc_handle == bta_av_cb.rc_acp_handle)
+ bta_av_cb.rc_acp_handle = BTA_AV_RC_HANDLE_NONE;
+ APPL_TRACE_EVENT("end del_rc handle: %d status=0x%x, rc_acp_handle:%d, lidx:%d",
+ p_rcb->handle, p_rcb->status, bta_av_cb.rc_acp_handle, p_rcb->lidx);
+ }
+}
+
+
+/*******************************************************************************
+**
+** Function bta_av_close_all_rc
+**
+** Description close the all AVRC handle.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_close_all_rc(tBTA_AV_CB *p_cb)
+{
+ int i;
+
+ for(i=0; i<BTA_AV_NUM_RCB; i++)
+ {
+ if ((p_cb->disabling == TRUE) || (bta_av_cb.rcb[i].shdl != 0))
+ bta_av_del_rc(&bta_av_cb.rcb[i]);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_del_sdp_rec
+**
+** Description delete the given SDP record handle.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_del_sdp_rec(UINT32 *p_sdp_handle)
+{
+ if(*p_sdp_handle != 0)
+ {
+ SDP_DeleteRecord(*p_sdp_handle);
+ *p_sdp_handle = 0;
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_avrc_sdp_cback
+**
+** Description AVRCP service discovery callback.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_avrc_sdp_cback(UINT16 status)
+{
+ BT_HDR *p_msg;
+ UNUSED(status);
+
+ if ((p_msg = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
+ {
+ p_msg->event = BTA_AV_SDP_AVRC_DISC_EVT;
+ bta_sys_sendmsg(p_msg);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_ctrl_cback
+**
+** Description AVRCP control callback.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_rc_ctrl_cback(UINT8 handle, UINT8 event, UINT16 result, BD_ADDR peer_addr)
+{
+ tBTA_AV_RC_CONN_CHG *p_msg;
+ UINT16 msg_event = 0;
+ UNUSED(result);
+
+#if (defined(BTA_AV_MIN_DEBUG_TRACES) && BTA_AV_MIN_DEBUG_TRACES == TRUE)
+ APPL_TRACE_EVENT("rc_ctrl handle: %d event=0x%x", handle, event);
+#else
+ APPL_TRACE_EVENT("bta_av_rc_ctrl_cback handle: %d event=0x%x", handle, event);
+#endif
+ if (event == AVRC_OPEN_IND_EVT)
+ {
+ /* save handle of opened connection
+ bta_av_cb.rc_handle = handle;*/
+
+ msg_event = BTA_AV_AVRC_OPEN_EVT;
+ }
+ else if (event == AVRC_CLOSE_IND_EVT)
+ {
+ msg_event = BTA_AV_AVRC_CLOSE_EVT;
+ }
+
+ if (msg_event)
+ {
+ if ((p_msg = (tBTA_AV_RC_CONN_CHG *) GKI_getbuf(sizeof(tBTA_AV_RC_CONN_CHG))) != NULL)
+ {
+ p_msg->hdr.event = msg_event;
+ p_msg->handle = handle;
+ if(peer_addr)
+ bdcpy(p_msg->peer_addr, peer_addr);
+ bta_sys_sendmsg(p_msg);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_msg_cback
+**
+** Description AVRCP message callback.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_rc_msg_cback(UINT8 handle, UINT8 label, UINT8 opcode, tAVRC_MSG *p_msg)
+{
+ UINT8 *p_data_src = NULL;
+ UINT16 data_len = 0;
+
+ APPL_TRACE_DEBUG("%s handle: %u opcode=0x%x", __func__, handle, opcode);
+
+ /* Determine the size of the buffer we need */
+ if (opcode == AVRC_OP_VENDOR && p_msg->vendor.p_vendor_data != NULL) {
+ p_data_src = p_msg->vendor.p_vendor_data;
+ data_len = (UINT16) p_msg->vendor.vendor_len;
+ } else if (opcode == AVRC_OP_PASS_THRU && p_msg->pass.p_pass_data != NULL) {
+ p_data_src = p_msg->pass.p_pass_data;
+ data_len = (UINT16) p_msg->pass.pass_len;
+ }
+
+ /* Create a copy of the message */
+ tBTA_AV_RC_MSG *p_buf =
+ (tBTA_AV_RC_MSG *)GKI_getbuf((UINT16)(sizeof(tBTA_AV_RC_MSG) + data_len));
+ if (p_buf != NULL) {
+ p_buf->hdr.event = BTA_AV_AVRC_MSG_EVT;
+ p_buf->handle = handle;
+ p_buf->label = label;
+ p_buf->opcode = opcode;
+ memcpy(&p_buf->msg, p_msg, sizeof(tAVRC_MSG));
+ /* Copy the data payload, and set the pointer to it */
+ if (p_data_src != NULL) {
+ UINT8 *p_data_dst = (UINT8 *)(p_buf + 1);
+ memcpy(p_data_dst, p_data_src, data_len);
+ if (opcode == AVRC_OP_VENDOR)
+ p_buf->msg.vendor.p_vendor_data = p_data_dst;
+ else if (opcode == AVRC_OP_PASS_THRU)
+ p_buf->msg.pass.p_pass_data = p_data_dst;
+ }
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_create
+**
+** Description alloc RCB and call AVRC_Open
+**
+** Returns the created rc handle
+**
+*******************************************************************************/
+UINT8 bta_av_rc_create(tBTA_AV_CB *p_cb, UINT8 role, UINT8 shdl, UINT8 lidx)
+{
+ tAVRC_CONN_CB ccb;
+ BD_ADDR_PTR bda = (BD_ADDR_PTR)bd_addr_any;
+ UINT8 status = BTA_AV_RC_ROLE_ACP;
+ tBTA_AV_SCB *p_scb = p_cb->p_scb[shdl - 1];
+ int i;
+ UINT8 rc_handle;
+ tBTA_AV_RCB *p_rcb;
+
+ if(role == AVCT_INT)
+ {
+ bda = p_scb->peer_addr;
+ status = BTA_AV_RC_ROLE_INT;
+ }
+ else
+ {
+ if ((p_rcb = bta_av_get_rcb_by_shdl(shdl)) != NULL )
+ {
+ APPL_TRACE_ERROR("bta_av_rc_create ACP handle exist for shdl:%d", shdl);
+ return p_rcb->handle;
+ }
+ }
+
+ ccb.p_ctrl_cback = bta_av_rc_ctrl_cback;
+ ccb.p_msg_cback = bta_av_rc_msg_cback;
+ ccb.company_id = p_bta_av_cfg->company_id;
+ ccb.conn = role;
+ /* note: BTA_AV_FEAT_RCTG = AVRC_CT_TARGET, BTA_AV_FEAT_RCCT = AVRC_CT_CONTROL */
+ ccb.control = p_cb->features & (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_RCCT | AVRC_CT_PASSIVE);
+
+
+ if (AVRC_Open(&rc_handle, &ccb, bda) != AVRC_SUCCESS)
+ return BTA_AV_RC_HANDLE_NONE;
+
+ i = rc_handle;
+ p_rcb = &p_cb->rcb[i];
+
+ if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE)
+ {
+ APPL_TRACE_ERROR("bta_av_rc_create found duplicated handle:%d", rc_handle);
+ }
+
+ p_rcb->handle = rc_handle;
+ p_rcb->status = status;
+ p_rcb->shdl = shdl;
+ p_rcb->lidx = lidx;
+ p_rcb->peer_features = 0;
+ if(lidx == (BTA_AV_NUM_LINKS + 1))
+ {
+ /* this LIDX is reserved for the AVRCP ACP connection */
+ p_cb->rc_acp_handle = p_rcb->handle;
+ p_cb->rc_acp_idx = (i + 1);
+ APPL_TRACE_DEBUG("rc_acp_handle:%d idx:%d", p_cb->rc_acp_handle, p_cb->rc_acp_idx);
+ }
+ APPL_TRACE_DEBUG("create %d, role: %d, shdl:%d, rc_handle:%d, lidx:%d, status:0x%x",
+ i, role, shdl, p_rcb->handle, lidx, p_rcb->status);
+
+ return rc_handle;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_valid_group_navi_msg
+**
+** Description Check if it is Group Navigation Msg for Metadata
+**
+** Returns BTA_AV_RSP_ACCEPT or BTA_AV_RSP_NOT_IMPL.
+**
+*******************************************************************************/
+static tBTA_AV_CODE bta_av_group_navi_supported(UINT8 len, UINT8 *p_data, BOOLEAN is_inquiry)
+{
+ tBTA_AV_CODE ret=BTA_AV_RSP_NOT_IMPL;
+ UINT8 *p_ptr = p_data;
+ UINT16 u16;
+ UINT32 u32;
+
+ if (p_bta_av_cfg->avrc_group && len == BTA_GROUP_NAVI_MSG_OP_DATA_LEN)
+ {
+ BTA_AV_BE_STREAM_TO_CO_ID(u32, p_ptr);
+ BE_STREAM_TO_UINT16(u16, p_ptr);
+
+ if (u32 == AVRC_CO_METADATA)
+ {
+ if (is_inquiry)
+ {
+ if (u16 <= AVRC_PDU_PREV_GROUP)
+ ret = BTA_AV_RSP_IMPL_STBL;
+ }
+ else
+ {
+ if (u16 <= AVRC_PDU_PREV_GROUP)
+ ret = BTA_AV_RSP_ACCEPT;
+ else
+ ret = BTA_AV_RSP_REJ;
+ }
+ }
+ }
+
+ return ret;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_op_supported
+**
+** Description Check if remote control operation is supported.
+**
+** Returns BTA_AV_RSP_ACCEPT of supported, BTA_AV_RSP_NOT_IMPL if not.
+**
+*******************************************************************************/
+static tBTA_AV_CODE bta_av_op_supported(tBTA_AV_RC rc_id, BOOLEAN is_inquiry)
+{
+ tBTA_AV_CODE ret_code = BTA_AV_RSP_NOT_IMPL;
+
+ if (p_bta_av_rc_id)
+ {
+ if (is_inquiry)
+ {
+ if (p_bta_av_rc_id[rc_id >> 4] & (1 << (rc_id & 0x0F)))
+ {
+ ret_code = BTA_AV_RSP_IMPL_STBL;
+ }
+ }
+ else
+ {
+ if (p_bta_av_rc_id[rc_id >> 4] & (1 << (rc_id & 0x0F)))
+ {
+ ret_code = BTA_AV_RSP_ACCEPT;
+ }
+ else if ((p_bta_av_cfg->rc_pass_rsp == BTA_AV_RSP_INTERIM) && p_bta_av_rc_id_ac)
+ {
+ if (p_bta_av_rc_id_ac[rc_id >> 4] & (1 << (rc_id & 0x0F)))
+ {
+ ret_code = BTA_AV_RSP_INTERIM;
+ }
+ }
+ }
+
+ }
+ return ret_code;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_find_lcb
+**
+** Description Given BD_addr, find the associated LCB.
+**
+** Returns NULL, if not found.
+**
+*******************************************************************************/
+tBTA_AV_LCB * bta_av_find_lcb(BD_ADDR addr, UINT8 op)
+{
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ int xx;
+ UINT8 mask;
+ tBTA_AV_LCB *p_lcb = NULL;
+
+ for(xx=0; xx<BTA_AV_NUM_LINKS; xx++)
+ {
+ mask = 1 << xx; /* the used mask for this lcb */
+ if((mask & p_cb->conn_lcb) && 0 ==( bdcmp(p_cb->lcb[xx].addr, addr)))
+ {
+ p_lcb = &p_cb->lcb[xx];
+ if(op == BTA_AV_LCB_FREE)
+ {
+ p_cb->conn_lcb &= ~mask; /* clear the connect mask */
+ APPL_TRACE_DEBUG("conn_lcb: 0x%x", p_cb->conn_lcb);
+ }
+ break;
+ }
+ }
+ return p_lcb;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_opened
+**
+** Description Set AVRCP state to opened.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_opened(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RC_OPEN rc_open;
+ tBTA_AV_SCB *p_scb;
+ int i;
+ UINT8 shdl = 0;
+ tBTA_AV_LCB *p_lcb;
+ tBTA_AV_RCB *p_rcb;
+ UINT8 tmp;
+ UINT8 disc = 0;
+
+ /* find the SCB & stop the timer */
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scb = p_cb->p_scb[i];
+ if(p_scb && bdcmp(p_scb->peer_addr, p_data->rc_conn_chg.peer_addr) == 0)
+ {
+ p_scb->rc_handle = p_data->rc_conn_chg.handle;
+ APPL_TRACE_DEBUG("bta_av_rc_opened shdl:%d, srch %d", i + 1, p_scb->rc_handle);
+ shdl = i+1;
+ LOG_INFO("%s allow incoming AVRCP connections:%d", __func__, p_scb->use_rc);
+ bta_sys_stop_timer(&p_scb->timer);
+ disc = p_scb->hndl;
+ break;
+ }
+ }
+
+ i = p_data->rc_conn_chg.handle;
+ if (p_cb->rcb[i].handle == BTA_AV_RC_HANDLE_NONE)
+ {
+ APPL_TRACE_ERROR("not a valid handle:%d any more", i);
+ return;
+ }
+
+
+ if (p_cb->rcb[i].lidx == (BTA_AV_NUM_LINKS + 1) && shdl != 0)
+ {
+ /* rc is opened on the RC only ACP channel, but is for a specific
+ * SCB -> need to switch RCBs */
+ p_rcb = bta_av_get_rcb_by_shdl(shdl);
+ if (p_rcb)
+ {
+ p_rcb->shdl = p_cb->rcb[i].shdl;
+ tmp = p_rcb->lidx;
+ p_rcb->lidx = p_cb->rcb[i].lidx;
+ p_cb->rcb[i].lidx = tmp;
+ p_cb->rc_acp_handle = p_rcb->handle;
+ p_cb->rc_acp_idx = (p_rcb - p_cb->rcb) + 1;
+ APPL_TRACE_DEBUG("switching RCB rc_acp_handle:%d idx:%d",
+ p_cb->rc_acp_handle, p_cb->rc_acp_idx);
+ }
+ }
+
+ p_cb->rcb[i].shdl = shdl;
+ rc_open.rc_handle = i;
+ APPL_TRACE_ERROR("bta_av_rc_opened rcb[%d] shdl:%d lidx:%d/%d",
+ i, shdl, p_cb->rcb[i].lidx, p_cb->lcb[BTA_AV_NUM_LINKS].lidx);
+ p_cb->rcb[i].status |= BTA_AV_RC_CONN_MASK;
+
+ if(!shdl && 0 == p_cb->lcb[BTA_AV_NUM_LINKS].lidx)
+ {
+ /* no associated SCB -> connected to an RC only device
+ * update the index to the extra LCB */
+ p_lcb = &p_cb->lcb[BTA_AV_NUM_LINKS];
+ bdcpy(p_lcb->addr, p_data->rc_conn_chg.peer_addr);
+ APPL_TRACE_DEBUG("rc_only bd_addr:%02x-%02x-%02x-%02x-%02x-%02x",
+ p_lcb->addr[0], p_lcb->addr[1],
+ p_lcb->addr[2], p_lcb->addr[3],
+ p_lcb->addr[4], p_lcb->addr[5]);
+ p_lcb->lidx = BTA_AV_NUM_LINKS + 1;
+ p_cb->rcb[i].lidx = p_lcb->lidx;
+ p_lcb->conn_msk = 1;
+ APPL_TRACE_ERROR("rcb[%d].lidx=%d, lcb.conn_msk=x%x",
+ i, p_cb->rcb[i].lidx, p_lcb->conn_msk);
+ disc = p_data->rc_conn_chg.handle|BTA_AV_CHNL_MSK;
+ }
+
+ bdcpy(rc_open.peer_addr, p_data->rc_conn_chg.peer_addr);
+ rc_open.peer_features = p_cb->rcb[i].peer_features;
+ rc_open.status = BTA_AV_SUCCESS;
+ APPL_TRACE_DEBUG("local features:x%x peer_features:x%x", p_cb->features,
+ rc_open.peer_features);
+ if(rc_open.peer_features == 0)
+ {
+ /* we have not done SDP on peer RC capabilities.
+ * peer must have initiated the RC connection */
+ rc_open.peer_features = BTA_AV_FEAT_RCCT;
+ bta_av_rc_disc(disc);
+ }
+ (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, (tBTA_AV *) &rc_open);
+
+}
+
+
+/*******************************************************************************
+**
+** Function bta_av_rc_remote_cmd
+**
+** Description Send an AVRCP remote control command.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_remote_cmd(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RCB *p_rcb;
+ if (p_cb->features & BTA_AV_FEAT_RCCT)
+ {
+ if(p_data->hdr.layer_specific < BTA_AV_NUM_RCB)
+ {
+ p_rcb = &p_cb->rcb[p_data->hdr.layer_specific];
+ if(p_rcb->status & BTA_AV_RC_CONN_MASK)
+ {
+ AVRC_PassCmd(p_rcb->handle, p_data->api_remote_cmd.label,
+ &p_data->api_remote_cmd.msg);
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_vendor_cmd
+**
+** Description Send an AVRCP vendor specific command.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_vendor_cmd(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RCB *p_rcb;
+ if ( (p_cb->features & (BTA_AV_FEAT_RCCT | BTA_AV_FEAT_VENDOR)) ==
+ (BTA_AV_FEAT_RCCT | BTA_AV_FEAT_VENDOR))
+ {
+ if(p_data->hdr.layer_specific < BTA_AV_NUM_RCB)
+ {
+ p_rcb = &p_cb->rcb[p_data->hdr.layer_specific];
+ AVRC_VendorCmd(p_rcb->handle, p_data->api_vendor.label, &p_data->api_vendor.msg);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_vendor_rsp
+**
+** Description Send an AVRCP vendor specific response.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_vendor_rsp(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RCB *p_rcb;
+ if ( (p_cb->features & (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_VENDOR)) ==
+ (BTA_AV_FEAT_RCTG | BTA_AV_FEAT_VENDOR))
+ {
+ if(p_data->hdr.layer_specific < BTA_AV_NUM_RCB)
+ {
+ p_rcb = &p_cb->rcb[p_data->hdr.layer_specific];
+ AVRC_VendorRsp(p_rcb->handle, p_data->api_vendor.label, &p_data->api_vendor.msg);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_meta_rsp
+**
+** Description Send an AVRCP metadata/advanced control command/response.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_meta_rsp(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_RCB *p_rcb;
+ BOOLEAN do_free = TRUE;
+
+ if ((p_cb->features & BTA_AV_FEAT_METADATA) && (p_data->hdr.layer_specific < BTA_AV_NUM_RCB))
+ {
+ if ((p_data->api_meta_rsp.is_rsp && (p_cb->features & BTA_AV_FEAT_RCTG)) ||
+ (!p_data->api_meta_rsp.is_rsp && (p_cb->features & BTA_AV_FEAT_RCCT)) )
+ {
+ p_rcb = &p_cb->rcb[p_data->hdr.layer_specific];
+ if (p_rcb->handle != BTA_AV_RC_HANDLE_NONE) {
+ AVRC_MsgReq(p_rcb->handle, p_data->api_meta_rsp.label,
+ p_data->api_meta_rsp.rsp_code,
+ p_data->api_meta_rsp.p_pkt);
+ do_free = FALSE;
+ }
+ }
+ }
+
+ if (do_free)
+ GKI_freebuf (p_data->api_meta_rsp.p_pkt);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_free_rsp
+**
+** Description free an AVRCP metadata command buffer.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_free_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_cb);
+
+ GKI_freebuf (p_data->api_meta_rsp.p_pkt);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_meta_req
+**
+** Description Send an AVRCP metadata command.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_free_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_cb);
+ UNUSED(p_data);
+}
+
+
+
+/*******************************************************************************
+**
+** Function bta_av_chk_notif_evt_id
+**
+** Description make sure the requested player id is valid.
+**
+** Returns BTA_AV_STS_NO_RSP, if no error
+**
+*******************************************************************************/
+static tAVRC_STS bta_av_chk_notif_evt_id(tAVRC_MSG_VENDOR *p_vendor)
+{
+ tAVRC_STS status = BTA_AV_STS_NO_RSP;
+ UINT8 xx;
+ UINT16 u16;
+ UINT8 *p = p_vendor->p_vendor_data + 2;
+
+ BE_STREAM_TO_UINT16 (u16, p);
+ /* double check the fixed length */
+ if ((u16 != 5) || (p_vendor->vendor_len != 9))
+ {
+ status = AVRC_STS_INTERNAL_ERR;
+ }
+ else
+ {
+ /* make sure the player_id is valid */
+ for (xx=0; xx<p_bta_av_cfg->num_evt_ids; xx++)
+ {
+ if (*p == p_bta_av_cfg->p_meta_evt_ids[xx])
+ {
+ break;
+ }
+ }
+ if (xx == p_bta_av_cfg->num_evt_ids)
+ {
+ status = AVRC_STS_BAD_PARAM;
+ }
+ }
+
+ return status;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_proc_meta_cmd
+**
+** Description Process an AVRCP metadata command from the peer.
+**
+** Returns TRUE to respond immediately
+**
+*******************************************************************************/
+tBTA_AV_EVT bta_av_proc_meta_cmd(tAVRC_RESPONSE *p_rc_rsp, tBTA_AV_RC_MSG *p_msg, UINT8 *p_ctype)
+{
+ tBTA_AV_EVT evt = BTA_AV_META_MSG_EVT;
+ UINT8 u8, pdu, *p;
+ UINT16 u16;
+ tAVRC_MSG_VENDOR *p_vendor = &p_msg->msg.vendor;
+
+#if (AVRC_METADATA_INCLUDED == TRUE)
+
+ pdu = *(p_vendor->p_vendor_data);
+ p_rc_rsp->pdu = pdu;
+ *p_ctype = AVRC_RSP_REJ;
+ /* Metadata messages only use PANEL sub-unit type */
+ if (p_vendor->hdr.subunit_type != AVRC_SUB_PANEL)
+ {
+ APPL_TRACE_DEBUG("SUBUNIT must be PANEL");
+ /* reject it */
+ evt=0;
+ p_vendor->hdr.ctype = BTA_AV_RSP_NOT_IMPL;
+ AVRC_VendorRsp(p_msg->handle, p_msg->label, &p_msg->msg.vendor);
+ }
+ else if (!AVRC_IsValidAvcType(pdu, p_vendor->hdr.ctype) )
+ {
+ APPL_TRACE_DEBUG("Invalid pdu/ctype: 0x%x, %d", pdu, p_vendor->hdr.ctype);
+ /* reject invalid message without reporting to app */
+ evt = 0;
+ p_rc_rsp->rsp.status = AVRC_STS_BAD_CMD;
+ }
+ else
+ {
+ switch (pdu)
+ {
+ case AVRC_PDU_GET_CAPABILITIES:
+ /* process GetCapabilities command without reporting the event to app */
+ evt = 0;
+ u8 = *(p_vendor->p_vendor_data + 4);
+ p = p_vendor->p_vendor_data + 2;
+ p_rc_rsp->get_caps.capability_id = u8;
+ BE_STREAM_TO_UINT16 (u16, p);
+ if ((u16 != 1) || (p_vendor->vendor_len != 5))
+ {
+ p_rc_rsp->get_caps.status = AVRC_STS_INTERNAL_ERR;
+ }
+ else
+ {
+ p_rc_rsp->get_caps.status = AVRC_STS_NO_ERROR;
+ if (u8 == AVRC_CAP_COMPANY_ID)
+ {
+ *p_ctype = AVRC_RSP_IMPL_STBL;
+ p_rc_rsp->get_caps.count = p_bta_av_cfg->num_co_ids;
+ memcpy(p_rc_rsp->get_caps.param.company_id, p_bta_av_cfg->p_meta_co_ids,
+ (p_bta_av_cfg->num_co_ids << 2));
+ }
+ else if (u8 == AVRC_CAP_EVENTS_SUPPORTED)
+ {
+ *p_ctype = AVRC_RSP_IMPL_STBL;
+ p_rc_rsp->get_caps.count = p_bta_av_cfg->num_evt_ids;
+ memcpy(p_rc_rsp->get_caps.param.event_id, p_bta_av_cfg->p_meta_evt_ids,
+ p_bta_av_cfg->num_evt_ids);
+ }
+ else
+ {
+ APPL_TRACE_DEBUG("Invalid capability ID: 0x%x", u8);
+ /* reject - unknown capability ID */
+ p_rc_rsp->get_caps.status = AVRC_STS_BAD_PARAM;
+ }
+ }
+ break;
+
+
+ case AVRC_PDU_REGISTER_NOTIFICATION:
+ /* make sure the event_id is implemented */
+ p_rc_rsp->rsp.status = bta_av_chk_notif_evt_id (p_vendor);
+ if (p_rc_rsp->rsp.status != BTA_AV_STS_NO_RSP)
+ evt = 0;
+ break;
+
+ }
+ }
+#else
+ APPL_TRACE_DEBUG("AVRCP 1.3 Metadata not supporteed. Reject command.");
+ /* reject invalid message without reporting to app */
+ evt = 0;
+ p_rc_rsp->rsp.status = AVRC_STS_BAD_CMD;
+#endif
+
+ return evt;
+}
+
+
+/*******************************************************************************
+**
+** Function bta_av_rc_msg
+**
+** Description Process an AVRCP message from the peer.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_msg(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_EVT evt = 0;
+ tBTA_AV av;
+ BT_HDR *p_pkt = NULL;
+ tAVRC_MSG_VENDOR *p_vendor = &p_data->rc_msg.msg.vendor;
+ BOOLEAN is_inquiry = ((p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_SPEC_INQ) || p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_GEN_INQ);
+#if (AVRC_METADATA_INCLUDED == TRUE)
+ UINT8 ctype = 0;
+ tAVRC_RESPONSE rc_rsp;
+
+ rc_rsp.rsp.status = BTA_AV_STS_NO_RSP;
+#endif
+
+ if (p_data->rc_msg.opcode == AVRC_OP_PASS_THRU)
+ {
+ /* if this is a pass thru command */
+ if ((p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_CTRL) ||
+ (p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_SPEC_INQ) ||
+ (p_data->rc_msg.msg.hdr.ctype == AVRC_CMD_GEN_INQ)
+ )
+ {
+ /* check if operation is supported */
+ if (p_data->rc_msg.msg.pass.op_id == AVRC_ID_VENDOR)
+ {
+ p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_NOT_IMPL;
+#if (AVRC_METADATA_INCLUDED == TRUE)
+ if (p_cb->features & BTA_AV_FEAT_METADATA)
+ p_data->rc_msg.msg.hdr.ctype =
+ bta_av_group_navi_supported(p_data->rc_msg.msg.pass.pass_len,
+ p_data->rc_msg.msg.pass.p_pass_data, is_inquiry);
+#endif
+ }
+ else
+ {
+ p_data->rc_msg.msg.hdr.ctype = bta_av_op_supported(p_data->rc_msg.msg.pass.op_id, is_inquiry);
+ }
+
+ APPL_TRACE_DEBUG("ctype %d",p_data->rc_msg.msg.hdr.ctype)
+
+ /* send response */
+ if (p_data->rc_msg.msg.hdr.ctype != BTA_AV_RSP_INTERIM)
+ AVRC_PassRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.pass);
+
+ /* set up for callback if supported */
+ if (p_data->rc_msg.msg.hdr.ctype == BTA_AV_RSP_ACCEPT || p_data->rc_msg.msg.hdr.ctype == BTA_AV_RSP_INTERIM)
+ {
+ evt = BTA_AV_REMOTE_CMD_EVT;
+ av.remote_cmd.rc_id = p_data->rc_msg.msg.pass.op_id;
+ av.remote_cmd.key_state = p_data->rc_msg.msg.pass.state;
+ av.remote_cmd.p_data = p_data->rc_msg.msg.pass.p_pass_data;
+ av.remote_cmd.len = p_data->rc_msg.msg.pass.pass_len;
+ memcpy(&av.remote_cmd.hdr, &p_data->rc_msg.msg.hdr, sizeof (tAVRC_HDR));
+ av.remote_cmd.label = p_data->rc_msg.label;
+ }
+ }
+ /* else if this is a pass thru response */
+ else if (p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_ACCEPT)
+ {
+ /* set up for callback */
+ evt = BTA_AV_REMOTE_RSP_EVT;
+ av.remote_rsp.rc_id = p_data->rc_msg.msg.pass.op_id;
+ av.remote_rsp.key_state = p_data->rc_msg.msg.pass.state;
+ av.remote_rsp.rsp_code = p_data->rc_msg.msg.hdr.ctype;
+ av.remote_rsp.label = p_data->rc_msg.label;
+ }
+ /* must be a bad ctype -> reject*/
+ else
+ {
+ p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_REJ;
+ AVRC_PassRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.pass);
+ }
+ }
+ /* else if this is a vendor specific command or response */
+ else if (p_data->rc_msg.opcode == AVRC_OP_VENDOR)
+ {
+ /* set up for callback */
+ av.vendor_cmd.code = p_data->rc_msg.msg.hdr.ctype;
+ av.vendor_cmd.company_id = p_vendor->company_id;
+ av.vendor_cmd.label = p_data->rc_msg.label;
+ av.vendor_cmd.p_data = p_vendor->p_vendor_data;
+ av.vendor_cmd.len = p_vendor->vendor_len;
+
+ /* if configured to support vendor specific and it's a command */
+ if ((p_cb->features & BTA_AV_FEAT_VENDOR) &&
+ p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ)
+ {
+#if (AVRC_METADATA_INCLUDED == TRUE)
+ if ((p_cb->features & BTA_AV_FEAT_METADATA) &&
+ (p_vendor->company_id == AVRC_CO_METADATA))
+ {
+ av.meta_msg.p_msg = &p_data->rc_msg.msg;
+ evt = bta_av_proc_meta_cmd (&rc_rsp, &p_data->rc_msg, &ctype);
+ }
+ else
+#endif
+ evt = BTA_AV_VENDOR_CMD_EVT;
+ }
+ /* else if configured to support vendor specific and it's a response */
+ else if ((p_cb->features & BTA_AV_FEAT_VENDOR) &&
+ p_data->rc_msg.msg.hdr.ctype >= AVRC_RSP_ACCEPT)
+ {
+#if (AVRC_METADATA_INCLUDED == TRUE)
+ if ((p_cb->features & BTA_AV_FEAT_METADATA) &&
+ (p_vendor->company_id == AVRC_CO_METADATA))
+ {
+ av.meta_msg.p_msg = &p_data->rc_msg.msg;
+ evt = BTA_AV_META_MSG_EVT;
+ }
+ else
+#endif
+ evt = BTA_AV_VENDOR_RSP_EVT;
+
+ }
+ /* else if not configured to support vendor specific and it's a command */
+ else if (!(p_cb->features & BTA_AV_FEAT_VENDOR) &&
+ p_data->rc_msg.msg.hdr.ctype <= AVRC_CMD_GEN_INQ)
+ {
+ if(p_data->rc_msg.msg.vendor.p_vendor_data[0] == AVRC_PDU_INVALID)
+ {
+ /* reject it */
+ p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_REJ;
+ p_data->rc_msg.msg.vendor.p_vendor_data[4] = AVRC_STS_BAD_CMD;
+ }
+ else
+ p_data->rc_msg.msg.hdr.ctype = BTA_AV_RSP_NOT_IMPL;
+ AVRC_VendorRsp(p_data->rc_msg.handle, p_data->rc_msg.label, &p_data->rc_msg.msg.vendor);
+ }
+ }
+#if (AVRC_METADATA_INCLUDED == TRUE)
+ if (evt == 0 && rc_rsp.rsp.status != BTA_AV_STS_NO_RSP)
+ {
+ if (!p_pkt)
+ {
+ rc_rsp.rsp.opcode = p_data->rc_msg.opcode;
+ AVRC_BldResponse (0, &rc_rsp, &p_pkt);
+ }
+ if (p_pkt)
+ AVRC_MsgReq (p_data->rc_msg.handle, p_data->rc_msg.label, ctype, p_pkt);
+ }
+#endif
+
+ /* call callback */
+ if (evt != 0)
+ {
+ av.remote_cmd.rc_handle = p_data->rc_msg.handle;
+ (*p_cb->p_cback)(evt, &av);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_close
+**
+** Description close the specified AVRC handle.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_close (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ UINT16 handle = p_data->hdr.layer_specific;
+ tBTA_AV_SCB *p_scb;
+ tBTA_AV_RCB *p_rcb;
+
+ if(handle < BTA_AV_NUM_RCB)
+ {
+ p_rcb = &p_cb->rcb[handle];
+
+ APPL_TRACE_DEBUG("bta_av_rc_close handle: %d, status=0x%x", p_rcb->handle, p_rcb->status);
+ if(p_rcb->handle != BTA_AV_RC_HANDLE_NONE)
+ {
+ if(p_rcb->shdl)
+ {
+ p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1];
+ if(p_scb)
+ {
+ /* just in case the RC timer is active
+ if(bta_av_cb.features & BTA_AV_FEAT_RCCT &&
+ p_scb->chnl == BTA_AV_CHNL_AUDIO) */
+ bta_sys_stop_timer(&p_scb->timer);
+ }
+ }
+
+ AVRC_Close(p_rcb->handle);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_get_shdl
+**
+** Returns The index to p_scb[]
+**
+*******************************************************************************/
+static UINT8 bta_av_get_shdl(tBTA_AV_SCB *p_scb)
+{
+ int i;
+ UINT8 shdl = 0;
+ /* find the SCB & stop the timer */
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ if(p_scb == bta_av_cb.p_scb[i])
+ {
+ shdl = i+1;
+ break;
+ }
+ }
+ return shdl;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_stream_chg
+**
+** Description audio streaming status changed.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_stream_chg(tBTA_AV_SCB *p_scb, BOOLEAN started)
+{
+ UINT8 started_msk;
+ int i;
+ UINT8 *p_streams;
+ BOOLEAN no_streams = FALSE;
+ tBTA_AV_SCB *p_scbi;
+
+ started_msk = BTA_AV_HNDL_TO_MSK(p_scb->hdi);
+ APPL_TRACE_DEBUG ("bta_av_stream_chg started:%d started_msk:x%x chnl:x%x", started,
+ started_msk, p_scb->chnl);
+ if (BTA_AV_CHNL_AUDIO == p_scb->chnl)
+ p_streams = &bta_av_cb.audio_streams;
+ else
+ p_streams = &bta_av_cb.video_streams;
+
+ if (started)
+ {
+ /* Let L2CAP know this channel is processed with high priority */
+ L2CA_SetAclPriority(p_scb->peer_addr, L2CAP_PRIORITY_HIGH);
+ (*p_streams) |= started_msk;
+ }
+ else
+ {
+ (*p_streams) &= ~started_msk;
+ }
+
+ if (!started)
+ {
+ i=0;
+ if (BTA_AV_CHNL_AUDIO == p_scb->chnl)
+ {
+ if (bta_av_cb.video_streams == 0)
+ no_streams = TRUE;
+ }
+ else
+ {
+ no_streams = TRUE;
+ if ( bta_av_cb.audio_streams )
+ {
+ for (; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scbi = bta_av_cb.p_scb[i];
+ /* scb is used and started */
+ if ( p_scbi && (bta_av_cb.audio_streams & BTA_AV_HNDL_TO_MSK(i))
+ && bdcmp(p_scbi->peer_addr, p_scb->peer_addr) == 0)
+ {
+ no_streams = FALSE;
+ break;
+ }
+ }
+
+ }
+ }
+
+ APPL_TRACE_DEBUG ("no_streams:%d i:%d, audio_streams:x%x, video_streams:x%x", no_streams, i,
+ bta_av_cb.audio_streams, bta_av_cb.video_streams);
+ if (no_streams)
+ {
+ /* Let L2CAP know this channel is processed with low priority */
+ L2CA_SetAclPriority(p_scb->peer_addr, L2CAP_PRIORITY_NORMAL);
+ }
+ }
+}
+
+
+/*******************************************************************************
+**
+** Function bta_av_conn_chg
+**
+** Description connetion status changed.
+** Open an AVRCP acceptor channel, if new conn.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_conn_chg(tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ tBTA_AV_SCB *p_scb = NULL;
+ tBTA_AV_SCB *p_scbi;
+ UINT8 mask;
+ UINT8 conn_msk;
+ UINT8 old_msk;
+ int i;
+ int index = (p_data->hdr.layer_specific & BTA_AV_HNDL_MSK) - 1;
+ tBTA_AV_LCB *p_lcb;
+ tBTA_AV_LCB *p_lcb_rc;
+ tBTA_AV_RCB *p_rcb, *p_rcb2;
+ BOOLEAN chk_restore = FALSE;
+
+ /* Validate array index*/
+ if (index < BTA_AV_NUM_STRS)
+ {
+ p_scb = p_cb->p_scb[index];
+ }
+ mask = BTA_AV_HNDL_TO_MSK(index);
+ p_lcb = bta_av_find_lcb(p_data->conn_chg.peer_addr, BTA_AV_LCB_FIND);
+ conn_msk = 1 << (index + 1);
+ if(p_data->conn_chg.is_up)
+ {
+ /* set the conned mask for this channel */
+ if(p_scb)
+ {
+ if(p_lcb)
+ {
+ p_lcb->conn_msk |= conn_msk;
+ for (i=0; i<BTA_AV_NUM_RCB; i++)
+ {
+ if (bta_av_cb.rcb[i].lidx == p_lcb->lidx)
+ {
+ bta_av_cb.rcb[i].shdl = index + 1;
+ APPL_TRACE_DEBUG("conn_chg up[%d]: %d, status=0x%x, shdl:%d, lidx:%d", i,
+ bta_av_cb.rcb[i].handle, bta_av_cb.rcb[i].status,
+ bta_av_cb.rcb[i].shdl, bta_av_cb.rcb[i].lidx);
+ break;
+ }
+ }
+ }
+ if (p_scb->chnl == BTA_AV_CHNL_AUDIO)
+ {
+ old_msk = p_cb->conn_audio;
+ p_cb->conn_audio |= mask;
+ }
+ else
+ {
+ old_msk = p_cb->conn_video;
+ p_cb->conn_video |= mask;
+ }
+
+ if ((old_msk & mask) == 0)
+ {
+ /* increase the audio open count, if not set yet */
+ bta_av_cb.audio_open_cnt++;
+ }
+
+
+ APPL_TRACE_DEBUG("rc_acp_handle:%d rc_acp_idx:%d", p_cb->rc_acp_handle, p_cb->rc_acp_idx);
+ /* check if the AVRCP ACP channel is already connected */
+ if(p_lcb && p_cb->rc_acp_handle != BTA_AV_RC_HANDLE_NONE && p_cb->rc_acp_idx)
+ {
+ p_lcb_rc = &p_cb->lcb[BTA_AV_NUM_LINKS];
+ APPL_TRACE_DEBUG("rc_acp is connected && conn_chg on same addr p_lcb_rc->conn_msk:x%x",
+ p_lcb_rc->conn_msk);
+ /* check if the RC is connected to the scb addr */
+ APPL_TRACE_DEBUG ("p_lcb_rc->addr: %02x:%02x:%02x:%02x:%02x:%02x",
+ p_lcb_rc->addr[0], p_lcb_rc->addr[1], p_lcb_rc->addr[2], p_lcb_rc->addr[3],
+ p_lcb_rc->addr[4], p_lcb_rc->addr[5]);
+ APPL_TRACE_DEBUG ("conn_chg.peer_addr: %02x:%02x:%02x:%02x:%02x:%02x",
+ p_data->conn_chg.peer_addr[0], p_data->conn_chg.peer_addr[1],
+ p_data->conn_chg.peer_addr[2],
+ p_data->conn_chg.peer_addr[3], p_data->conn_chg.peer_addr[4],
+ p_data->conn_chg.peer_addr[5]);
+ if (p_lcb_rc->conn_msk && bdcmp(p_lcb_rc->addr, p_data->conn_chg.peer_addr) == 0)
+ {
+ /* AVRCP is already connected.
+ * need to update the association betwen SCB and RCB */
+ p_lcb_rc->conn_msk = 0; /* indicate RC ONLY is not connected */
+ p_lcb_rc->lidx = 0;
+ p_scb->rc_handle = p_cb->rc_acp_handle;
+ p_rcb = &p_cb->rcb[p_cb->rc_acp_idx - 1];
+ p_rcb->shdl = bta_av_get_shdl(p_scb);
+ APPL_TRACE_DEBUG("update rc_acp shdl:%d/%d srch:%d", index + 1, p_rcb->shdl,
+ p_scb->rc_handle );
+
+ p_rcb2 = bta_av_get_rcb_by_shdl(p_rcb->shdl);
+ if (p_rcb2)
+ {
+ /* found the RCB that was created to associated with this SCB */
+ p_cb->rc_acp_handle = p_rcb2->handle;
+ p_cb->rc_acp_idx = (p_rcb2 - p_cb->rcb) + 1;
+ APPL_TRACE_DEBUG("new rc_acp_handle:%d, idx:%d", p_cb->rc_acp_handle,
+ p_cb->rc_acp_idx);
+ p_rcb2->lidx = (BTA_AV_NUM_LINKS + 1);
+ APPL_TRACE_DEBUG("rc2 handle:%d lidx:%d/%d",p_rcb2->handle, p_rcb2->lidx,
+ p_cb->lcb[p_rcb2->lidx-1].lidx);
+ }
+ p_rcb->lidx = p_lcb->lidx;
+ APPL_TRACE_DEBUG("rc handle:%d lidx:%d/%d",p_rcb->handle, p_rcb->lidx,
+ p_cb->lcb[p_rcb->lidx-1].lidx);
+ }
+ }
+ }
+ }
+ else
+ {
+ if ((p_cb->conn_audio & mask) && bta_av_cb.audio_open_cnt)
+ {
+ /* this channel is still marked as open. decrease the count */
+ bta_av_cb.audio_open_cnt--;
+ }
+
+ /* clear the conned mask for this channel */
+ p_cb->conn_audio &= ~mask;
+ p_cb->conn_video &= ~mask;
+ if(p_scb)
+ {
+ /* the stream is closed.
+ * clear the peer address, so it would not mess up the AVRCP for the next round of operation */
+ bdcpy(p_scb->peer_addr, bd_addr_null);
+ if(p_scb->chnl == BTA_AV_CHNL_AUDIO)
+ {
+ if(p_lcb)
+ {
+ p_lcb->conn_msk &= ~conn_msk;
+ }
+ /* audio channel is down. make sure the INT channel is down */
+ /* just in case the RC timer is active
+ if(p_cb->features & BTA_AV_FEAT_RCCT) */
+ {
+ bta_sys_stop_timer(&p_scb->timer);
+ }
+ /* one audio channel goes down. check if we need to restore high priority */
+ chk_restore = TRUE;
+ }
+ }
+
+ APPL_TRACE_DEBUG("bta_av_conn_chg shdl:%d", index + 1);
+ for (i=0; i<BTA_AV_NUM_RCB; i++)
+ {
+ APPL_TRACE_DEBUG("conn_chg dn[%d]: %d, status=0x%x, shdl:%d, lidx:%d", i,
+ bta_av_cb.rcb[i].handle, bta_av_cb.rcb[i].status,
+ bta_av_cb.rcb[i].shdl, bta_av_cb.rcb[i].lidx);
+ if(bta_av_cb.rcb[i].shdl == index + 1)
+ {
+ bta_av_del_rc(&bta_av_cb.rcb[i]);
+ break;
+ }
+ }
+
+ if(p_cb->conn_audio == 0 && p_cb->conn_video == 0)
+ {
+ /* if both channels are not connected,
+ * close all RC channels */
+ bta_av_close_all_rc(p_cb);
+ }
+
+ /* if the AVRCP is no longer listening, create the listening channel */
+ if (bta_av_cb.rc_acp_handle == BTA_AV_RC_HANDLE_NONE && bta_av_cb.features & BTA_AV_FEAT_RCTG)
+ bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1);
+ }
+
+ APPL_TRACE_DEBUG("bta_av_conn_chg audio:%x video:%x up:%d conn_msk:0x%x chk_restore:%d audio_open_cnt:%d",
+ p_cb->conn_audio, p_cb->conn_video, p_data->conn_chg.is_up, conn_msk, chk_restore, p_cb->audio_open_cnt);
+
+ if (chk_restore)
+ {
+ if (p_cb->audio_open_cnt == 1)
+ {
+ /* one audio channel goes down and there's one audio channel remains open.
+ * restore the switch role in default link policy */
+ bta_sys_set_default_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH);
+ /* allow role switch, if this is the last connection */
+ bta_av_restore_switch();
+ }
+ if (p_cb->audio_open_cnt)
+ {
+ /* adjust flush timeout settings to longer period */
+ for (i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scbi = bta_av_cb.p_scb[i];
+ if (p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started)
+ {
+ /* may need to update the flush timeout of this already started stream */
+ if (p_scbi->co_started != bta_av_cb.audio_open_cnt)
+ {
+ p_scbi->co_started = bta_av_cb.audio_open_cnt;
+ L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] );
+ }
+ }
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_disable
+**
+** Description disable AV.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_disable(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data)
+{
+ BT_HDR hdr;
+ UINT16 xx;
+ UNUSED(p_data);
+
+ p_cb->disabling = TRUE;
+
+ bta_av_close_all_rc(p_cb);
+
+ utl_freebuf((void **) &p_cb->p_disc_db);
+
+ /* disable audio/video - de-register all channels,
+ * expect BTA_AV_DEREG_COMP_EVT when deregister is complete */
+ for(xx=0; xx<BTA_AV_NUM_STRS; xx++)
+ {
+ hdr.layer_specific = xx + 1;
+ bta_av_api_deregister((tBTA_AV_DATA *)&hdr);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_api_disconnect
+**
+** Description .
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_api_disconnect(tBTA_AV_DATA *p_data)
+{
+ AVDT_DisconnectReq(p_data->api_discnt.bd_addr, bta_av_conn_cback);
+ bta_sys_stop_timer(&bta_av_cb.sig_tmr);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sig_chg
+**
+** Description process AVDT signal channel up/down.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_sig_chg(tBTA_AV_DATA *p_data)
+{
+ UINT16 event = p_data->str_msg.hdr.layer_specific;
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ int xx;
+ UINT8 mask;
+ tBTA_AV_LCB *p_lcb = NULL;
+
+ APPL_TRACE_DEBUG("bta_av_sig_chg event: %d", event);
+ if(event == AVDT_CONNECT_IND_EVT)
+ {
+ p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FIND);
+ if(!p_lcb)
+ {
+ /* if the address does not have an LCB yet, alloc one */
+ for(xx=0; xx<BTA_AV_NUM_LINKS; xx++)
+ {
+ mask = 1 << xx;
+ APPL_TRACE_DEBUG("conn_lcb: 0x%x", p_cb->conn_lcb);
+
+ /* look for a p_lcb with its p_scb registered */
+ if((!(mask & p_cb->conn_lcb)) && (p_cb->p_scb[xx] != NULL))
+ {
+ p_lcb = &p_cb->lcb[xx];
+ p_lcb->lidx = xx + 1;
+ bdcpy(p_lcb->addr, p_data->str_msg.bd_addr);
+ p_lcb->conn_msk = 0; /* clear the connect mask */
+ /* start listening when the signal channel is open */
+ if (p_cb->features & BTA_AV_FEAT_RCTG)
+ {
+ bta_av_rc_create(p_cb, AVCT_ACP, 0, p_lcb->lidx);
+ }
+ /* this entry is not used yet. */
+ p_cb->conn_lcb |= mask; /* mark it as used */
+ APPL_TRACE_DEBUG("start sig timer %d", p_data->hdr.offset);
+ if (p_data->hdr.offset == AVDT_ACP)
+ {
+ APPL_TRACE_DEBUG("Incoming L2CAP acquired, set state as incoming", NULL);
+ bdcpy(p_cb->p_scb[xx]->peer_addr, p_data->str_msg.bd_addr);
+ p_cb->p_scb[xx]->use_rc = TRUE; /* allowing RC for incoming connection */
+ bta_av_ssm_execute(p_cb->p_scb[xx], BTA_AV_ACP_CONNECT_EVT, p_data);
+
+ /* The Pending Event should be sent as soon as the L2CAP signalling channel
+ * is set up, which is NOW. Earlier this was done only after
+ * BTA_AV_SIG_TIME_VAL milliseconds.
+ * The following function shall send the event and start the recurring timer
+ */
+ bta_av_sig_timer(NULL);
+
+ /* Possible collision : need to avoid outgoing processing while the timer is running */
+ p_cb->p_scb[xx]->coll_mask = BTA_AV_COLL_INC_TMR;
+
+ p_cb->acp_sig_tmr.param = (UINT32)xx;
+ p_cb->acp_sig_tmr.p_cback = (TIMER_CBACK*)&bta_av_acp_sig_timer_cback;
+ bta_sys_start_timer(&p_cb->acp_sig_tmr, 0, BTA_AV_ACP_SIG_TIME_VAL);
+ }
+ break;
+ }
+ }
+
+ /* check if we found something */
+ if (xx == BTA_AV_NUM_LINKS)
+ {
+ /* We do not have scb for this avdt connection. */
+ /* Silently close the connection. */
+ APPL_TRACE_ERROR("av scb not available for avdt connection");
+ AVDT_DisconnectReq (p_data->str_msg.bd_addr, NULL);
+ return;
+ }
+ }
+ }
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+ else if (event == BTA_AR_AVDT_CONN_EVT)
+ {
+ bta_sys_stop_timer(&bta_av_cb.sig_tmr);
+ }
+#endif
+ else
+ {
+ /* disconnected. */
+ p_lcb = bta_av_find_lcb(p_data->str_msg.bd_addr, BTA_AV_LCB_FREE);
+ if(p_lcb && p_lcb->conn_msk)
+ {
+ APPL_TRACE_DEBUG("conn_msk: 0x%x", p_lcb->conn_msk);
+ /* clean up ssm */
+ for(xx=0; xx < BTA_AV_NUM_STRS; xx++)
+ {
+ mask = 1 << (xx + 1);
+ if ((mask & p_lcb->conn_msk) && (p_cb->p_scb[xx]) &&
+ (bdcmp(p_cb->p_scb[xx]->peer_addr, p_data->str_msg.bd_addr) == 0))
+ {
+ bta_av_ssm_execute(p_cb->p_scb[xx], BTA_AV_AVDT_DISCONNECT_EVT, NULL);
+ }
+ }
+ }
+ }
+ APPL_TRACE_DEBUG("conn_lcb: 0x%x", p_cb->conn_lcb);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sig_timer
+**
+** Description process the signal channel timer. This timer is started
+** when the AVDTP signal channel is connected. If no profile
+** is connected, the timer goes off every BTA_AV_SIG_TIME_VAL
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_sig_timer(tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ int xx;
+ UINT8 mask;
+ tBTA_AV_LCB *p_lcb = NULL;
+ tBTA_AV_PEND pend;
+ UNUSED(p_data);
+
+ APPL_TRACE_DEBUG("bta_av_sig_timer");
+ for(xx=0; xx<BTA_AV_NUM_LINKS; xx++)
+ {
+ mask = 1 << xx;
+ if(mask & p_cb->conn_lcb)
+ {
+ /* this entry is used. check if it is connected */
+ p_lcb = &p_cb->lcb[xx];
+ if(!p_lcb->conn_msk)
+ {
+ bta_sys_start_timer(&p_cb->sig_tmr, BTA_AV_SIG_TIMER_EVT, BTA_AV_SIG_TIME_VAL);
+ bdcpy(pend.bd_addr, p_lcb->addr);
+ (*p_cb->p_cback)(BTA_AV_PENDING_EVT, (tBTA_AV *) &pend);
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_acp_sig_timer_cback
+**
+** Description Process the timeout when SRC is accepting connection
+** and SNK did not start signalling.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_acp_sig_timer_cback (TIMER_LIST_ENT *p_tle)
+{
+ UINT8 inx = (UINT8)p_tle->param;
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ tBTA_AV_SCB *p_scb = NULL;
+ tBTA_AV_API_OPEN *p_buf;
+ if (inx < BTA_AV_NUM_STRS)
+ {
+ p_scb = p_cb->p_scb[inx];
+ }
+ if (p_scb)
+ {
+ APPL_TRACE_DEBUG("bta_av_acp_sig_timer_cback, coll_mask = 0x%02X", p_scb->coll_mask);
+
+ if (p_scb->coll_mask & BTA_AV_COLL_INC_TMR)
+ {
+ p_scb->coll_mask &= ~BTA_AV_COLL_INC_TMR;
+
+ if (bta_av_is_scb_opening(p_scb))
+ {
+ if (p_scb->p_disc_db)
+ {
+ /* We are still doing SDP. Run the timer again. */
+ p_scb->coll_mask |= BTA_AV_COLL_INC_TMR;
+
+ p_cb->acp_sig_tmr.param = (UINT32)inx;
+ p_cb->acp_sig_tmr.p_cback = (TIMER_CBACK *)&bta_av_acp_sig_timer_cback;
+ bta_sys_start_timer(&p_cb->acp_sig_tmr, 0, BTA_AV_ACP_SIG_TIME_VAL);
+ }
+ else
+ {
+ /* SNK did not start signalling, resume signalling process. */
+ bta_av_discover_req (p_scb, NULL);
+ }
+ }
+ else if (bta_av_is_scb_incoming(p_scb))
+ {
+ /* Stay in incoming state if SNK does not start signalling */
+
+ /* API open was called right after SNK opened L2C connection. */
+ if (p_scb->coll_mask & BTA_AV_COLL_API_CALLED)
+ {
+ p_scb->coll_mask &= ~BTA_AV_COLL_API_CALLED;
+
+ /* BTA_AV_API_OPEN_EVT */
+ if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL)
+ {
+ memcpy(p_buf, &(p_scb->open_api), sizeof(tBTA_AV_API_OPEN));
+ bta_sys_sendmsg(p_buf);
+ }
+ }
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_check_peer_features
+**
+** Description check supported features on the peer device from the SDP record
+** and return the feature mask
+**
+** Returns tBTA_AV_FEAT peer device feature mask
+**
+*******************************************************************************/
+tBTA_AV_FEAT bta_av_check_peer_features (UINT16 service_uuid)
+{
+ tBTA_AV_FEAT peer_features = 0;
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ tSDP_DISC_REC *p_rec = NULL;
+ tSDP_DISC_ATTR *p_attr;
+ UINT16 peer_rc_version=0;
+ UINT16 categories = 0;
+
+ APPL_TRACE_DEBUG("bta_av_check_peer_features service_uuid:x%x", service_uuid);
+ /* loop through all records we found */
+ while (TRUE)
+ {
+ /* get next record; if none found, we're done */
+ if ((p_rec = SDP_FindServiceInDb(p_cb->p_disc_db, service_uuid, p_rec)) == NULL)
+ {
+ break;
+ }
+
+ if (( SDP_FindAttributeInRec(p_rec, ATTR_ID_SERVICE_CLASS_ID_LIST)) != NULL)
+ {
+ /* find peer features */
+ if (SDP_FindServiceInDb(p_cb->p_disc_db, UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL))
+ {
+ peer_features |= BTA_AV_FEAT_RCCT;
+ }
+ if (SDP_FindServiceInDb(p_cb->p_disc_db, UUID_SERVCLASS_AV_REM_CTRL_TARGET, NULL))
+ {
+ peer_features |= BTA_AV_FEAT_RCTG;
+ }
+ }
+
+ if (( SDP_FindAttributeInRec(p_rec, ATTR_ID_BT_PROFILE_DESC_LIST)) != NULL)
+ {
+ /* get profile version (if failure, version parameter is not updated) */
+ SDP_FindProfileVersionInRec(p_rec, UUID_SERVCLASS_AV_REMOTE_CONTROL, &peer_rc_version);
+ APPL_TRACE_DEBUG("peer_rc_version 0x%x", peer_rc_version);
+
+ if (peer_rc_version >= AVRC_REV_1_3)
+ peer_features |= (BTA_AV_FEAT_VENDOR | BTA_AV_FEAT_METADATA);
+
+ if (peer_rc_version >= AVRC_REV_1_4)
+ {
+ peer_features |= (BTA_AV_FEAT_ADV_CTRL);
+ /* get supported categories */
+ if ((p_attr = SDP_FindAttributeInRec(p_rec,
+ ATTR_ID_SUPPORTED_FEATURES)) != NULL)
+ {
+ categories = p_attr->attr_value.v.u16;
+ if (categories & AVRC_SUPF_CT_BROWSE)
+ peer_features |= (BTA_AV_FEAT_BROWSE);
+ }
+ }
+ }
+ }
+ APPL_TRACE_DEBUG("peer_features:x%x", peer_features);
+ return peer_features;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_disc_done
+**
+** Description Handle AVRCP service discovery results. If matching
+** service found, open AVRCP connection.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_disc_done(tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ tBTA_AV_SCB *p_scb = NULL;
+ tBTA_AV_LCB *p_lcb;
+ tBTA_AV_RC_OPEN rc_open;
+ tBTA_AV_RC_FEAT rc_feat;
+ UINT8 rc_handle;
+ tBTA_AV_FEAT peer_features; /* peer features mask */
+ UNUSED(p_data);
+
+ APPL_TRACE_DEBUG("bta_av_rc_disc_done disc:x%x", p_cb->disc);
+ if (!p_cb->disc)
+ {
+ return;
+ }
+
+ if ((p_cb->disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK)
+ {
+ /* this is the rc handle/index to tBTA_AV_RCB */
+ rc_handle = p_cb->disc & (~BTA_AV_CHNL_MSK);
+ }
+ else
+ {
+ /* Validate array index*/
+ if (((p_cb->disc & BTA_AV_HNDL_MSK) - 1) < BTA_AV_NUM_STRS)
+ {
+ p_scb = p_cb->p_scb[(p_cb->disc & BTA_AV_HNDL_MSK) - 1];
+ }
+ if (p_scb)
+ rc_handle = p_scb->rc_handle;
+ else
+ {
+ p_cb->disc = 0;
+ return;
+ }
+ }
+
+ APPL_TRACE_DEBUG("rc_handle %d", rc_handle);
+ /* check peer version and whether support CT and TG role */
+ peer_features = bta_av_check_peer_features (UUID_SERVCLASS_AV_REMOTE_CONTROL);
+ if ((p_cb->features & BTA_AV_FEAT_ADV_CTRL) && ((peer_features&BTA_AV_FEAT_ADV_CTRL) == 0))
+ {
+ /* if we support advance control and peer does not, check their support on TG role
+ * some implementation uses 1.3 on CT ans 1.4 on TG */
+ peer_features |= bta_av_check_peer_features (UUID_SERVCLASS_AV_REM_CTRL_TARGET);
+ }
+
+ p_cb->disc = 0;
+ utl_freebuf((void **) &p_cb->p_disc_db);
+
+ APPL_TRACE_DEBUG("peer_features 0x%x, features 0x%x", peer_features, p_cb->features);
+
+ /* if we have no rc connection */
+ if (rc_handle == BTA_AV_RC_HANDLE_NONE)
+ {
+ if (p_scb)
+ {
+ /* if peer remote control service matches ours and USE_RC is TRUE */
+ if ((((p_cb->features & BTA_AV_FEAT_RCCT) && (peer_features & BTA_AV_FEAT_RCTG)) ||
+ ((p_cb->features & BTA_AV_FEAT_RCTG) && (peer_features & BTA_AV_FEAT_RCCT))) )
+ {
+ p_lcb = bta_av_find_lcb(p_scb->peer_addr, BTA_AV_LCB_FIND);
+ if(p_lcb)
+ {
+ rc_handle = bta_av_rc_create(p_cb, AVCT_INT, (UINT8)(p_scb->hdi + 1), p_lcb->lidx);
+ p_cb->rcb[rc_handle].peer_features = peer_features;
+ }
+#if (BT_USE_TRACES == TRUE || BT_TRACE_APPL == TRUE)
+ else
+ {
+ APPL_TRACE_ERROR("can not find LCB!!");
+ }
+#endif
+ }
+ else if(p_scb->use_rc)
+ {
+ /* can not find AVRC on peer device. report failure */
+ p_scb->use_rc = FALSE;
+ bdcpy(rc_open.peer_addr, p_scb->peer_addr);
+ rc_open.peer_features = 0;
+ rc_open.status = BTA_AV_FAIL_SDP;
+ (*p_cb->p_cback)(BTA_AV_RC_OPEN_EVT, (tBTA_AV *) &rc_open);
+ }
+ }
+ }
+ else
+ {
+ p_cb->rcb[rc_handle].peer_features = peer_features;
+ rc_feat.rc_handle = rc_handle;
+ rc_feat.peer_features = peer_features;
+ (*p_cb->p_cback)(BTA_AV_RC_FEAT_EVT, (tBTA_AV *) &rc_feat);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_closed
+**
+** Description Set AVRCP state to closed.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_closed(tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ tBTA_AV_RC_CLOSE rc_close;
+ tBTA_AV_RC_CONN_CHG *p_msg = (tBTA_AV_RC_CONN_CHG *)p_data;
+ tBTA_AV_RCB *p_rcb;
+ tBTA_AV_SCB *p_scb;
+ int i;
+ BOOLEAN conn = FALSE;
+ tBTA_AV_LCB *p_lcb;
+
+ rc_close.rc_handle = BTA_AV_RC_HANDLE_NONE;
+ p_scb = NULL;
+ APPL_TRACE_DEBUG("bta_av_rc_closed rc_handle:%d", p_msg->handle);
+ for(i=0; i<BTA_AV_NUM_RCB; i++)
+ {
+ p_rcb = &p_cb->rcb[i];
+ APPL_TRACE_DEBUG("bta_av_rc_closed rcb[%d] rc_handle:%d, status=0x%x", i, p_rcb->handle, p_rcb->status);
+ if(p_rcb->handle == p_msg->handle)
+ {
+ rc_close.rc_handle = i;
+ p_rcb->status &= ~BTA_AV_RC_CONN_MASK;
+ p_rcb->peer_features = 0;
+ APPL_TRACE_DEBUG(" shdl:%d, lidx:%d", p_rcb->shdl, p_rcb->lidx);
+ if(p_rcb->shdl)
+ {
+ if ((p_rcb->shdl - 1) < BTA_AV_NUM_STRS)
+ {
+ p_scb = bta_av_cb.p_scb[p_rcb->shdl - 1];
+ }
+ if(p_scb)
+ {
+ bdcpy(rc_close.peer_addr, p_scb->peer_addr);
+ if(p_scb->rc_handle == p_rcb->handle)
+ p_scb->rc_handle = BTA_AV_RC_HANDLE_NONE;
+ APPL_TRACE_DEBUG("shdl:%d, srch:%d", p_rcb->shdl, p_scb->rc_handle);
+ }
+ p_rcb->shdl = 0;
+ }
+ else if(p_rcb->lidx == (BTA_AV_NUM_LINKS + 1) )
+ {
+ /* if the RCB uses the extra LCB, use the addr for event and clean it */
+ p_lcb = &p_cb->lcb[BTA_AV_NUM_LINKS];
+ bdcpy(rc_close.peer_addr, p_msg->peer_addr);
+ APPL_TRACE_DEBUG("rc_only closed bd_addr:%02x-%02x-%02x-%02x-%02x-%02x",
+ p_msg->peer_addr[0], p_msg->peer_addr[1],
+ p_msg->peer_addr[2], p_msg->peer_addr[3],
+ p_msg->peer_addr[4], p_msg->peer_addr[5]);
+ p_lcb->conn_msk = 0;
+ p_lcb->lidx = 0;
+ }
+ p_rcb->lidx = 0;
+
+ if((p_rcb->status & BTA_AV_RC_ROLE_MASK) == BTA_AV_RC_ROLE_INT)
+ {
+ /* AVCT CCB is deallocated */
+ p_rcb->handle = BTA_AV_RC_HANDLE_NONE;
+ p_rcb->status = 0;
+ }
+ else
+ {
+ /* AVCT CCB is still there. dealloc */
+ bta_av_del_rc(p_rcb);
+
+ /* if the AVRCP is no longer listening, create the listening channel */
+ if (bta_av_cb.rc_acp_handle == BTA_AV_RC_HANDLE_NONE && bta_av_cb.features & BTA_AV_FEAT_RCTG)
+ bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1);
+ }
+ }
+ else if((p_rcb->handle != BTA_AV_RC_HANDLE_NONE) && (p_rcb->status & BTA_AV_RC_CONN_MASK))
+ {
+ /* at least one channel is still connected */
+ conn = TRUE;
+ }
+ }
+
+ if(!conn)
+ {
+ /* no AVRC channels are connected, go back to INIT state */
+ bta_av_sm_execute(p_cb, BTA_AV_AVRC_NONE_EVT, NULL);
+ }
+
+ if (rc_close.rc_handle == BTA_AV_RC_HANDLE_NONE)
+ {
+ rc_close.rc_handle = p_msg->handle;
+ bdcpy(rc_close.peer_addr, p_msg->peer_addr);
+ }
+ (*p_cb->p_cback)(BTA_AV_RC_CLOSE_EVT, (tBTA_AV *) &rc_close);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rc_disc
+**
+** Description start AVRC SDP discovery.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_rc_disc(UINT8 disc)
+{
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ tAVRC_SDP_DB_PARAMS db_params;
+ UINT16 attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST,
+ ATTR_ID_BT_PROFILE_DESC_LIST,
+ ATTR_ID_SUPPORTED_FEATURES};
+ UINT8 hdi;
+ tBTA_AV_SCB *p_scb;
+ UINT8 *p_addr = NULL;
+ UINT8 rc_handle;
+
+ APPL_TRACE_DEBUG("bta_av_rc_disc 0x%x, %d", disc, bta_av_cb.disc);
+ if ((bta_av_cb.disc != 0) || (disc == 0))
+ return;
+
+ if ((disc & BTA_AV_CHNL_MSK) == BTA_AV_CHNL_MSK)
+ {
+ /* this is the rc handle/index to tBTA_AV_RCB */
+ rc_handle = disc & (~BTA_AV_CHNL_MSK);
+ if (p_cb->rcb[rc_handle].lidx)
+ {
+ p_addr = p_cb->lcb[p_cb->rcb[rc_handle].lidx-1].addr;
+ }
+ }
+ else
+ {
+ hdi = (disc & BTA_AV_HNDL_MSK) - 1;
+ p_scb = p_cb->p_scb[hdi];
+
+ if (p_scb)
+ {
+ APPL_TRACE_DEBUG("rc_handle %d", p_scb->rc_handle);
+ p_addr = p_scb->peer_addr;
+ }
+ }
+
+ if (p_addr)
+ {
+ /* allocate discovery database */
+ if (p_cb->p_disc_db == NULL)
+ {
+ p_cb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AV_DISC_BUF_SIZE);
+ }
+
+ if (p_cb->p_disc_db)
+ {
+ /* set up parameters */
+ db_params.db_len = BTA_AV_DISC_BUF_SIZE;
+ db_params.num_attr = 3;
+ db_params.p_db = p_cb->p_disc_db;
+ db_params.p_attrs = attr_list;
+
+ /* searching for UUID_SERVCLASS_AV_REMOTE_CONTROL gets both TG and CT */
+ if (AVRC_FindService(UUID_SERVCLASS_AV_REMOTE_CONTROL, p_addr, &db_params,
+ bta_av_avrc_sdp_cback) == AVRC_SUCCESS)
+ {
+ p_cb->disc = disc;
+ APPL_TRACE_DEBUG("disc %d", p_cb->disc);
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_dereg_comp
+**
+** Description deregister complete. free the stream control block.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_dereg_comp(tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ tBTA_AV_SCB *p_scb;
+ tBTA_UTL_COD cod;
+ UINT8 mask;
+ BT_HDR *p_buf;
+
+ /* find the stream control block */
+ p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific);
+
+ if(p_scb)
+ {
+ APPL_TRACE_DEBUG("deregistered %d(h%d)", p_scb->chnl, p_scb->hndl);
+ mask = BTA_AV_HNDL_TO_MSK(p_scb->hdi);
+ if(p_scb->chnl == BTA_AV_CHNL_AUDIO)
+ {
+ p_cb->reg_audio &= ~mask;
+ if ((p_cb->conn_audio & mask) && bta_av_cb.audio_open_cnt)
+ {
+ /* this channel is still marked as open. decrease the count */
+ bta_av_cb.audio_open_cnt--;
+ }
+ p_cb->conn_audio &= ~mask;
+
+ if (p_scb->q_tag == BTA_AV_Q_TAG_STREAM && p_scb->a2d_list) {
+ /* make sure no buffers are in a2d_list */
+ while (!list_is_empty(p_scb->a2d_list)) {
+ p_buf = (BT_HDR*)list_front(p_scb->a2d_list);
+ list_remove(p_scb->a2d_list, p_buf);
+ GKI_freebuf(p_buf);
+ }
+ }
+
+ /* remove the A2DP SDP record, if no more audio stream is left */
+ if(!p_cb->reg_audio)
+ {
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+ bta_ar_dereg_avrc (UUID_SERVCLASS_AV_REMOTE_CONTROL, BTA_ID_AV);
+#endif
+ bta_av_del_sdp_rec(&p_cb->sdp_a2d_handle);
+ bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SOURCE);
+
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ bta_av_del_sdp_rec(&p_cb->sdp_a2d_snk_handle);
+ bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SINK);
+#endif
+ }
+ }
+ else
+ {
+ p_cb->reg_video &= ~mask;
+ /* make sure that this channel is not connected */
+ p_cb->conn_video &= ~mask;
+ /* remove the VDP SDP record, (only one video stream at most) */
+ bta_av_del_sdp_rec(&p_cb->sdp_vdp_handle);
+ bta_sys_remove_uuid(UUID_SERVCLASS_VIDEO_SOURCE);
+ }
+
+ /* make sure that the timer is not active */
+ bta_sys_stop_timer(&p_scb->timer);
+ utl_freebuf((void **)&p_cb->p_scb[p_scb->hdi]);
+ }
+
+ APPL_TRACE_DEBUG("audio 0x%x, video: 0x%x, disable:%d",
+ p_cb->reg_audio, p_cb->reg_video, p_cb->disabling);
+ /* if no stream control block is active */
+ if((p_cb->reg_audio + p_cb->reg_video) == 0)
+ {
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+ /* deregister from AVDT */
+ bta_ar_dereg_avdt(BTA_ID_AV);
+
+ /* deregister from AVCT */
+ bta_ar_dereg_avrc (UUID_SERVCLASS_AV_REM_CTRL_TARGET, BTA_ID_AV);
+ bta_ar_dereg_avct(BTA_ID_AV);
+#endif
+
+ if(p_cb->disabling)
+ {
+ p_cb->disabling = FALSE;
+ bta_av_cb.features = 0;
+ }
+
+ /* Clear the Capturing service class bit */
+ cod.service = BTM_COD_SERVICE_CAPTURING;
+ utl_set_device_class(&cod, BTA_UTL_CLR_COD_SERVICE_CLASS);
+ }
+}
+#endif /* BTA_AV_INCLUDED */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2011-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the implementation of the API for the advanced audio/video (AV)
+ * subsystem of BTA, Broadcom's Bluetooth application layer for mobile
+ * phones.
+ *
+ ******************************************************************************/
+
+#include "bt_target.h"
+#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
+
+#include "bta_api.h"
+#include "bta_sys.h"
+#include "bta_av_api.h"
+#include "bta_av_int.h"
+#include "gki.h"
+#include <string.h>
+
+/*****************************************************************************
+** Constants
+*****************************************************************************/
+
+static const tBTA_SYS_REG bta_av_reg =
+{
+ bta_av_hdl_event,
+ BTA_AvDisable
+};
+
+/*******************************************************************************
+**
+** Function BTA_AvEnable
+**
+** Description Enable the advanced audio/video service. When the enable
+** operation is complete the callback function will be
+** called with a BTA_AV_ENABLE_EVT. This function must
+** be called before other function in the AV API are
+** called.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvEnable(tBTA_SEC sec_mask, tBTA_AV_FEAT features, tBTA_AV_CBACK *p_cback)
+{
+ tBTA_AV_API_ENABLE *p_buf;
+
+ /* register with BTA system manager */
+ bta_sys_register(BTA_ID_AV, &bta_av_reg);
+
+ if ((p_buf = (tBTA_AV_API_ENABLE *) GKI_getbuf(sizeof(tBTA_AV_API_ENABLE))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_ENABLE_EVT;
+ p_buf->p_cback = p_cback;
+ p_buf->features = features;
+ p_buf->sec_mask = sec_mask;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvDisable
+**
+** Description Disable the advanced audio/video service.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvDisable(void)
+{
+ BT_HDR *p_buf;
+
+ bta_sys_deregister(BTA_ID_AV);
+ if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
+ {
+ p_buf->event = BTA_AV_API_DISABLE_EVT;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvRegister
+**
+** Description Register the audio or video service to stack. When the
+** operation is complete the callback function will be
+** called with a BTA_AV_REGISTER_EVT. This function must
+** be called before AVDT stream is open.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvRegister(tBTA_AV_CHNL chnl, const char *p_service_name, UINT8 app_id, tBTA_AV_DATA_CBACK *p_data_cback)
+{
+ tBTA_AV_API_REG *p_buf;
+
+
+ if ((p_buf = (tBTA_AV_API_REG *) GKI_getbuf(sizeof(tBTA_AV_API_REG))) != NULL)
+ {
+ p_buf->hdr.layer_specific = chnl;
+ p_buf->hdr.event = BTA_AV_API_REGISTER_EVT;
+ if(p_service_name)
+ {
+ BCM_STRNCPY_S(p_buf->p_service_name, sizeof(p_buf->p_service_name), p_service_name, BTA_SERVICE_NAME_LEN);
+ p_buf->p_service_name[BTA_SERVICE_NAME_LEN-1] = 0;
+ }
+ else
+ {
+ p_buf->p_service_name[0] = 0;
+ }
+ p_buf->app_id = app_id;
+ p_buf->p_app_data_cback = p_data_cback;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvDeregister
+**
+** Description Deregister the audio or video service
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvDeregister(tBTA_AV_HNDL hndl)
+{
+ BT_HDR *p_buf;
+
+ if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
+ {
+ p_buf->layer_specific = hndl;
+ p_buf->event = BTA_AV_API_DEREGISTER_EVT;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvOpen
+**
+** Description Opens an advanced audio/video connection to a peer device.
+** When connection is open callback function is called
+** with a BTA_AV_OPEN_EVT.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvOpen(BD_ADDR bd_addr, tBTA_AV_HNDL handle, BOOLEAN use_rc, tBTA_SEC sec_mask,
+ UINT16 uuid)
+{
+ tBTA_AV_API_OPEN *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_OPEN *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_OPEN_EVT;
+ p_buf->hdr.layer_specific = handle;
+ bdcpy(p_buf->bd_addr, bd_addr);
+ p_buf->use_rc = use_rc;
+ p_buf->sec_mask = sec_mask;
+ p_buf->switch_res = BTA_AV_RS_NONE;
+ p_buf->uuid = uuid;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvClose
+**
+** Description Close the current streams.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvClose(tBTA_AV_HNDL handle)
+{
+ BT_HDR *p_buf;
+
+ if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
+ {
+ p_buf->event = BTA_AV_API_CLOSE_EVT;
+ p_buf->layer_specific = handle;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvDisconnect
+**
+** Description Close the connection to the address.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvDisconnect(BD_ADDR bd_addr)
+{
+ tBTA_AV_API_DISCNT *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_DISCNT *) GKI_getbuf(sizeof(tBTA_AV_API_DISCNT))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_DISCONNECT_EVT;
+ bdcpy(p_buf->bd_addr, bd_addr);
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvStart
+**
+** Description Start audio/video stream data transfer.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvStart(void)
+{
+ BT_HDR *p_buf;
+
+ if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
+ {
+ p_buf->event = BTA_AV_API_START_EVT;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvEnable_Sink
+**
+** Description Enable/Disable A2DP Sink..
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvEnable_Sink(int enable)
+{
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ BT_HDR *p_buf;
+ if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
+ {
+ p_buf->event = BTA_AV_API_SINK_ENABLE_EVT;
+ p_buf->layer_specific = enable;
+ bta_sys_sendmsg(p_buf);
+ }
+#else
+ return;
+#endif
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvStop
+**
+** Description Stop audio/video stream data transfer.
+** If suspend is TRUE, this function sends AVDT suspend signal
+** to the connected peer(s).
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvStop(BOOLEAN suspend)
+{
+ tBTA_AV_API_STOP *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_STOP *) GKI_getbuf(sizeof(tBTA_AV_API_STOP))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_STOP_EVT;
+ p_buf->flush = TRUE;
+ p_buf->suspend = suspend;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvReconfig
+**
+** Description Reconfigure the audio/video stream.
+** If suspend is TRUE, this function tries the suspend/reconfigure
+** procedure first.
+** If suspend is FALSE or when suspend/reconfigure fails,
+** this function closes and re-opens the AVDT connection.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvReconfig(tBTA_AV_HNDL hndl, BOOLEAN suspend, UINT8 sep_info_idx,
+ UINT8 *p_codec_info, UINT8 num_protect, UINT8 *p_protect_info)
+{
+ tBTA_AV_API_RCFG *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_RCFG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_RCFG) + num_protect))) != NULL)
+ {
+ p_buf->hdr.layer_specific = hndl;
+ p_buf->hdr.event = BTA_AV_API_RECONFIG_EVT;
+ p_buf->num_protect = num_protect;
+ p_buf->suspend = suspend;
+ p_buf->sep_info_idx = sep_info_idx;
+ p_buf->p_protect_info = (UINT8 *)(p_buf + 1);
+ memcpy(p_buf->codec_info, p_codec_info, AVDT_CODEC_SIZE);
+ memcpy(p_buf->p_protect_info, p_protect_info, num_protect);
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvProtectReq
+**
+** Description Send a content protection request. This function can only
+** be used if AV is enabled with feature BTA_AV_FEAT_PROTECT.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvProtectReq(tBTA_AV_HNDL hndl, UINT8 *p_data, UINT16 len)
+{
+ tBTA_AV_API_PROTECT_REQ *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_PROTECT_REQ *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_PROTECT_REQ) + len))) != NULL)
+ {
+ p_buf->hdr.layer_specific = hndl;
+ p_buf->hdr.event = BTA_AV_API_PROTECT_REQ_EVT;
+ p_buf->len = len;
+ if (p_data == NULL)
+ {
+ p_buf->p_data = NULL;
+ }
+ else
+ {
+ p_buf->p_data = (UINT8 *) (p_buf + 1);
+ memcpy(p_buf->p_data, p_data, len);
+ }
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvProtectRsp
+**
+** Description Send a content protection response. This function must
+** be called if a BTA_AV_PROTECT_REQ_EVT is received.
+** This function can only be used if AV is enabled with
+** feature BTA_AV_FEAT_PROTECT.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvProtectRsp(tBTA_AV_HNDL hndl, UINT8 error_code, UINT8 *p_data, UINT16 len)
+{
+ tBTA_AV_API_PROTECT_RSP *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_PROTECT_RSP *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_PROTECT_RSP) + len))) != NULL)
+ {
+ p_buf->hdr.layer_specific = hndl;
+ p_buf->hdr.event = BTA_AV_API_PROTECT_RSP_EVT;
+ p_buf->len = len;
+ p_buf->error_code = error_code;
+ if (p_data == NULL)
+ {
+ p_buf->p_data = NULL;
+ }
+ else
+ {
+ p_buf->p_data = (UINT8 *) (p_buf + 1);
+ memcpy(p_buf->p_data, p_data, len);
+ }
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvRemoteCmd
+**
+** Description Send a remote control command. This function can only
+** be used if AV is enabled with feature BTA_AV_FEAT_RCCT.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvRemoteCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_RC rc_id, tBTA_AV_STATE key_state)
+{
+ tBTA_AV_API_REMOTE_CMD *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_REMOTE_CMD *) GKI_getbuf(sizeof(tBTA_AV_API_REMOTE_CMD))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_REMOTE_CMD_EVT;
+ p_buf->hdr.layer_specific = rc_handle;
+ p_buf->msg.op_id = rc_id;
+ p_buf->msg.state = key_state;
+ p_buf->msg.p_pass_data = NULL;
+ p_buf->msg.pass_len = 0;
+ p_buf->label = label;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvVendorCmd
+**
+** Description Send a vendor dependent remote control command. This
+** function can only be used if AV is enabled with feature
+** BTA_AV_FEAT_VENDOR.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvVendorCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE cmd_code, UINT8 *p_data, UINT16 len)
+{
+ tBTA_AV_API_VENDOR *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_VENDOR *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_VENDOR) + len))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_VENDOR_CMD_EVT;
+ p_buf->hdr.layer_specific = rc_handle;
+ p_buf->msg.hdr.ctype = cmd_code;
+ p_buf->msg.hdr.subunit_type = AVRC_SUB_PANEL;
+ p_buf->msg.hdr.subunit_id = 0;
+ p_buf->msg.company_id = p_bta_av_cfg->company_id;
+ p_buf->label = label;
+ p_buf->msg.vendor_len = len;
+ if (p_data == NULL)
+ {
+ p_buf->msg.p_vendor_data = NULL;
+ }
+ else
+ {
+ p_buf->msg.p_vendor_data = (UINT8 *) (p_buf + 1);
+ memcpy(p_buf->msg.p_vendor_data, p_data, len);
+ }
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvVendorRsp
+**
+** Description Send a vendor dependent remote control response.
+** This function must be called if a BTA_AV_VENDOR_CMD_EVT
+** is received. This function can only be used if AV is
+** enabled with feature BTA_AV_FEAT_VENDOR.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvVendorRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code, UINT8 *p_data, UINT16 len, UINT32 company_id)
+{
+ tBTA_AV_API_VENDOR *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_VENDOR *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_VENDOR) + len))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_VENDOR_RSP_EVT;
+ p_buf->hdr.layer_specific = rc_handle;
+ p_buf->msg.hdr.ctype = rsp_code;
+ p_buf->msg.hdr.subunit_type = AVRC_SUB_PANEL;
+ p_buf->msg.hdr.subunit_id = 0;
+ if(company_id)
+ p_buf->msg.company_id = company_id;
+ else
+ p_buf->msg.company_id = p_bta_av_cfg->company_id;
+ p_buf->label = label;
+ p_buf->msg.vendor_len = len;
+ if (p_data == NULL)
+ {
+ p_buf->msg.p_vendor_data = NULL;
+ }
+ else
+ {
+ p_buf->msg.p_vendor_data = (UINT8 *) (p_buf + 1);
+ memcpy(p_buf->msg.p_vendor_data, p_data, len);
+ }
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvOpenRc
+**
+** Description Open an AVRCP connection toward the device with the
+** specified handle
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvOpenRc(tBTA_AV_HNDL handle)
+{
+ tBTA_AV_API_OPEN_RC *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_OPEN_RC *) GKI_getbuf(sizeof(tBTA_AV_API_OPEN_RC))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_RC_OPEN_EVT;
+ p_buf->hdr.layer_specific = handle;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvCloseRc
+**
+** Description Close an AVRCP connection
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvCloseRc(UINT8 rc_handle)
+{
+ tBTA_AV_API_CLOSE_RC *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_CLOSE_RC *) GKI_getbuf(sizeof(tBTA_AV_API_CLOSE_RC))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_RC_CLOSE_EVT;
+ p_buf->hdr.layer_specific = rc_handle;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvMetaRsp
+**
+** Description Send a Metadata/Advanced Control response. The message contained
+** in p_pkt can be composed with AVRC utility functions.
+** This function can only be used if AV is enabled with feature
+** BTA_AV_FEAT_METADATA.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvMetaRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code,
+ BT_HDR *p_pkt)
+{
+ tBTA_AV_API_META_RSP *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_META_RSP *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_META_RSP)))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_META_RSP_EVT;
+ p_buf->hdr.layer_specific = rc_handle;
+ p_buf->rsp_code = rsp_code;
+ p_buf->p_pkt = p_pkt;
+ p_buf->is_rsp = TRUE;
+ p_buf->label = label;
+
+ bta_sys_sendmsg(p_buf);
+ } else if (p_pkt) {
+ GKI_freebuf(p_pkt);
+ }
+}
+
+/*******************************************************************************
+**
+** Function BTA_AvMetaCmd
+**
+** Description Send a Metadata/Advanced Control command. The message contained
+** in p_pkt can be composed with AVRC utility functions.
+** This function can only be used if AV is enabled with feature
+** BTA_AV_FEAT_METADATA.
+** This message is sent only when the peer supports the TG role.
+*8 The only command makes sense right now is the absolute volume command.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt)
+{
+ tBTA_AV_API_META_RSP *p_buf;
+
+ if ((p_buf = (tBTA_AV_API_META_RSP *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_API_META_RSP)))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AV_API_META_RSP_EVT;
+ p_buf->hdr.layer_specific = rc_handle;
+ p_buf->p_pkt = p_pkt;
+ p_buf->rsp_code = cmd_code;
+ p_buf->is_rsp = FALSE;
+ p_buf->label = label;
+
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+#endif /* BTA_AV_INCLUDED */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2005-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This file contains compile-time configurable constants for advanced
+ * audio/video
+ *
+ ******************************************************************************/
+
+#include <stddef.h>
+
+#include "bt_target.h"
+#include "gki.h"
+#include "bta_api.h"
+#include "bta_av_int.h"
+
+#ifndef BTA_AV_RC_PASS_RSP_CODE
+#define BTA_AV_RC_PASS_RSP_CODE BTA_AV_RSP_NOT_IMPL
+#endif
+
+const UINT32 bta_av_meta_caps_co_ids[] = {
+ AVRC_CO_METADATA,
+ AVRC_CO_BROADCOM
+};
+
+/* AVRCP cupported categories */
+#define BTA_AV_RC_SUPF_CT (AVRC_SUPF_CT_CAT2)
+
+/* Added to modify
+** 1. flush timeout
+** 2. Remove Group navigation support in SupportedFeatures
+** 3. GetCapabilities supported event_ids list
+** 4. GetCapabilities supported event_ids count
+*/
+/* Flushing partial avdtp packets can cause some headsets to disconnect the link
+ if receiving partial a2dp frames */
+const UINT16 bta_av_audio_flush_to[] = {
+ 0, /* 1 stream */
+ 0, /* 2 streams */
+ 0, /* 3 streams */
+ 0, /* 4 streams */
+ 0 /* 5 streams */
+}; /* AVDTP audio transport channel flush timeout */
+
+/* Note: Android doesnt support AVRC_SUPF_TG_GROUP_NAVI */
+/* Note: if AVRC_SUPF_TG_GROUP_NAVI is set, bta_av_cfg.avrc_group should be TRUE */
+#if AVRC_METADATA_INCLUDED == TRUE
+#define BTA_AV_RC_SUPF_TG (AVRC_SUPF_TG_CAT1) /* TODO: | AVRC_SUPF_TG_APP_SETTINGS) */
+#else
+#define BTA_AV_RC_SUPF_TG (AVRC_SUPF_TG_CAT1)
+#endif
+
+/*
+ * If the number of event IDs is changed in this array, BTA_AV_ NUM_RC_EVT_IDS also needs to be changed.
+ */
+const UINT8 bta_av_meta_caps_evt_ids[] = {
+ AVRC_EVT_PLAY_STATUS_CHANGE,
+ AVRC_EVT_TRACK_CHANGE,
+ AVRC_EVT_PLAY_POS_CHANGED,
+ /* TODO: Add support for these events
+ AVRC_EVT_APP_SETTING_CHANGE,
+ */
+};
+#ifndef BTA_AV_NUM_RC_EVT_IDS
+#define BTA_AV_NUM_RC_EVT_IDS (sizeof(bta_av_meta_caps_evt_ids) / sizeof(bta_av_meta_caps_evt_ids[0]))
+#endif /* BTA_AV_NUM_RC_EVT_IDS */
+
+/* the MTU for the AVRCP browsing channel */
+#ifndef BTA_AV_MAX_RC_BR_MTU
+#define BTA_AV_MAX_RC_BR_MTU 1008
+#endif
+
+const tBTA_AV_CFG bta_av_cfg =
+{
+ AVRC_CO_BROADCOM, /* AVRCP Company ID */
+#if AVRC_METADATA_INCLUDED == TRUE
+ 512, /* AVRCP MTU at L2CAP for control channel */
+#else
+ 48, /* AVRCP MTU at L2CAP for control channel */
+#endif
+ BTA_AV_MAX_RC_BR_MTU, /* AVRCP MTU at L2CAP for browsing channel */
+ BTA_AV_RC_SUPF_CT, /* AVRCP controller categories */
+ BTA_AV_RC_SUPF_TG, /* AVRCP target categories */
+ 672, /* AVDTP signaling channel MTU at L2CAP */
+ BTA_AV_MAX_A2DP_MTU, /* AVDTP audio transport channel MTU at L2CAP */
+ bta_av_audio_flush_to, /* AVDTP audio transport channel flush timeout */
+ 6, /* AVDTP audio channel max data queue size */
+ BTA_AV_MAX_VDP_MTU, /* AVDTP video transport channel MTU at L2CAP */
+ 600, /* AVDTP video transport channel flush timeout */
+ FALSE, /* TRUE, to accept AVRC 1.3 group nevigation command */
+ 2, /* company id count in p_meta_co_ids */
+ BTA_AV_NUM_RC_EVT_IDS, /* event id count in p_meta_evt_ids */
+ BTA_AV_RC_PASS_RSP_CODE,/* the default response code for pass through commands */
+ bta_av_meta_caps_co_ids,/* the metadata Get Capabilities response for company id */
+ bta_av_meta_caps_evt_ids,/* the the metadata Get Capabilities response for event id */
+ NULL, /* the action function table for VDP stream */
+ NULL, /* action function to register VDP */
+ {0}, /* Default AVRCP controller name */
+ {0}, /* Default AVRCP target name */
+};
+
+tBTA_AV_CFG *p_bta_av_cfg = (tBTA_AV_CFG *) &bta_av_cfg;
+
+const UINT16 bta_av_rc_id[] =
+{
+ 0x0000, /* bit mask: 0=SELECT, 1=UP, 2=DOWN, 3=LEFT,
+ 4=RIGHT, 5=RIGHT_UP, 6=RIGHT_DOWN, 7=LEFT_UP,
+ 8=LEFT_DOWN, 9=ROOT_MENU, 10=SETUP_MENU, 11=CONT_MENU,
+ 12=FAV_MENU, 13=EXIT */
+
+ 0, /* not used */
+
+ 0x0000, /* bit mask: 0=0, 1=1, 2=2, 3=3,
+ 4=4, 5=5, 6=6, 7=7,
+ 8=8, 9=9, 10=DOT, 11=ENTER,
+ 12=CLEAR */
+
+ 0x0000, /* bit mask: 0=CHAN_UP, 1=CHAN_DOWN, 2=PREV_CHAN, 3=SOUND_SEL,
+ 4=INPUT_SEL, 5=DISP_INFO, 6=HELP, 7=PAGE_UP,
+ 8=PAGE_DOWN */
+
+#if (BTA_AV_RC_PASS_RSP_CODE == BTA_AV_RSP_INTERIM)
+ /* btui_app provides an example of how to leave the decision of rejecting a command or not
+ * based on which media player is currently addressed (this is only applicable for AVRCP 1.4 or later)
+ * If the decision is per player for a particular rc_id, the related bit is clear (not set) */
+ 0x0070, /* bit mask: 0=POWER, 1=VOL_UP, 2=VOL_DOWN, 3=MUTE,
+ 4=PLAY, 5=STOP, 6=PAUSE, 7=RECORD,
+ 8=REWIND, 9=FAST_FOR, 10=EJECT, 11=FORWARD,
+ 12=BACKWARD */
+#else
+#if (defined BTA_AVRCP_FF_RW_SUPPORT) && (BTA_AVRCP_FF_RW_SUPPORT == TRUE)
+ 0x1b70, /* bit mask: 0=POWER, 1=VOL_UP, 2=VOL_DOWN, 3=MUTE,
+ 4=PLAY, 5=STOP, 6=PAUSE, 7=RECORD,
+ 8=REWIND, 9=FAST_FOR, 10=EJECT, 11=FORWARD,
+ 12=BACKWARD */
+#else
+ 0x1870, /* bit mask: 0=POWER, 1=VOL_UP, 2=VOL_DOWN, 3=MUTE,
+ 4=PLAY, 5=STOP, 6=PAUSE, 7=RECORD,
+ 8=REWIND, 9=FAST_FOR, 10=EJECT, 11=FORWARD,
+ 12=BACKWARD */
+#endif
+#endif
+
+ 0x0000, /* bit mask: 0=ANGLE, 1=SUBPICT */
+
+ 0, /* not used */
+
+ 0x0000 /* bit mask: 0=not used, 1=F1, 2=F2, 3=F3,
+ 4=F4, 5=F5 */
+};
+
+#if (BTA_AV_RC_PASS_RSP_CODE == BTA_AV_RSP_INTERIM)
+const UINT16 bta_av_rc_id_ac[] =
+{
+ 0x0000, /* bit mask: 0=SELECT, 1=UP, 2=DOWN, 3=LEFT,
+ 4=RIGHT, 5=RIGHT_UP, 6=RIGHT_DOWN, 7=LEFT_UP,
+ 8=LEFT_DOWN, 9=ROOT_MENU, 10=SETUP_MENU, 11=CONT_MENU,
+ 12=FAV_MENU, 13=EXIT */
+
+ 0, /* not used */
+
+ 0x0000, /* bit mask: 0=0, 1=1, 2=2, 3=3,
+ 4=4, 5=5, 6=6, 7=7,
+ 8=8, 9=9, 10=DOT, 11=ENTER,
+ 12=CLEAR */
+
+ 0x0000, /* bit mask: 0=CHAN_UP, 1=CHAN_DOWN, 2=PREV_CHAN, 3=SOUND_SEL,
+ 4=INPUT_SEL, 5=DISP_INFO, 6=HELP, 7=PAGE_UP,
+ 8=PAGE_DOWN */
+
+ /* btui_app provides an example of how to leave the decision of rejecting a command or not
+ * based on which media player is currently addressed (this is only applicable for AVRCP 1.4 or later)
+ * If the decision is per player for a particular rc_id, the related bit is set */
+ 0x1800, /* bit mask: 0=POWER, 1=VOL_UP, 2=VOL_DOWN, 3=MUTE,
+ 4=PLAY, 5=STOP, 6=PAUSE, 7=RECORD,
+ 8=REWIND, 9=FAST_FOR, 10=EJECT, 11=FORWARD,
+ 12=BACKWARD */
+
+ 0x0000, /* bit mask: 0=ANGLE, 1=SUBPICT */
+
+ 0, /* not used */
+
+ 0x0000 /* bit mask: 0=not used, 1=F1, 2=F2, 3=F3,
+ 4=F4, 5=F5 */
+};
+UINT16 *p_bta_av_rc_id_ac = (UINT16 *) bta_av_rc_id_ac;
+#else
+UINT16 *p_bta_av_rc_id_ac = NULL;
+#endif
+
+UINT16 *p_bta_av_rc_id = (UINT16 *) bta_av_rc_id;
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2005-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the implementation file for advanced audio/video call-in
+ * functions.
+ *
+ ******************************************************************************/
+
+#include "bta_api.h"
+#include "bta_sys.h"
+#include "bta_av_int.h"
+#include "bta_av_ci.h"
+
+#include <string.h>
+
+/*******************************************************************************
+**
+** Function bta_av_ci_src_data_ready
+**
+** Description This function sends an event to the AV indicating that
+** the phone has audio stream data ready to send and AV
+** should call bta_av_co_audio_src_data_path() or
+** bta_av_co_video_src_data_path().
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_ci_src_data_ready(tBTA_AV_CHNL chnl)
+{
+ BT_HDR *p_buf;
+
+ if ((p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
+ {
+ p_buf->layer_specific = chnl;
+ p_buf->event = BTA_AV_CI_SRC_DATA_READY_EVT;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_ci_setconfig
+**
+** Description This function must be called in response to function
+** bta_av_co_audio_setconfig() or bta_av_co_video_setconfig.
+** Parameter err_code is set to an AVDTP status value;
+** AVDT_SUCCESS if the codec configuration is ok,
+** otherwise error.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_ci_setconfig(tBTA_AV_HNDL hndl, UINT8 err_code, UINT8 category,
+ UINT8 num_seid, UINT8 *p_seid, BOOLEAN recfg_needed, UINT8 avdt_handle)
+{
+ tBTA_AV_CI_SETCONFIG *p_buf;
+
+ if ((p_buf = (tBTA_AV_CI_SETCONFIG *) GKI_getbuf(sizeof(tBTA_AV_CI_SETCONFIG))) != NULL)
+ {
+ p_buf->hdr.layer_specific = hndl;
+ p_buf->hdr.event = (err_code == AVDT_SUCCESS) ?
+ BTA_AV_CI_SETCONFIG_OK_EVT : BTA_AV_CI_SETCONFIG_FAIL_EVT;
+ p_buf->err_code = err_code;
+ p_buf->category = category;
+ p_buf->recfg_needed = recfg_needed;
+ p_buf->num_seid = num_seid;
+ p_buf->avdt_handle= avdt_handle;
+ if(p_seid && num_seid)
+ {
+ p_buf->p_seid = (UINT8 *)(p_buf + 1);
+ memcpy(p_buf->p_seid, p_seid, num_seid);
+ }
+ else
+ {
+ p_buf->p_seid = NULL;
+ p_buf->num_seid = 0;
+ }
+
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the private interface file for the BTA advanced audio/video.
+ *
+ ******************************************************************************/
+#ifndef BTA_AV_INT_H
+#define BTA_AV_INT_H
+
+#include "bta_sys.h"
+#include "bta_api.h"
+#include "bta_av_api.h"
+#include "avdt_api.h"
+#include "bta_av_co.h"
+#include "list.h"
+
+#define BTA_AV_DEBUG TRUE
+/*****************************************************************************
+** Constants
+*****************************************************************************/
+
+enum
+{
+ /* these events are handled by the AV main state machine */
+ BTA_AV_API_DISABLE_EVT = BTA_SYS_EVT_START(BTA_ID_AV),
+ BTA_AV_API_REMOTE_CMD_EVT,
+ BTA_AV_API_VENDOR_CMD_EVT,
+ BTA_AV_API_VENDOR_RSP_EVT,
+ BTA_AV_API_META_RSP_EVT,
+ BTA_AV_API_RC_CLOSE_EVT,
+ BTA_AV_AVRC_OPEN_EVT,
+ BTA_AV_AVRC_MSG_EVT,
+ BTA_AV_AVRC_NONE_EVT,
+
+ /* these events are handled by the AV stream state machine */
+ BTA_AV_API_OPEN_EVT,
+ BTA_AV_API_CLOSE_EVT,
+ BTA_AV_AP_START_EVT, /* the following 2 events must be in the same order as the *API_*EVT */
+ BTA_AV_AP_STOP_EVT,
+ BTA_AV_API_RECONFIG_EVT,
+ BTA_AV_API_PROTECT_REQ_EVT,
+ BTA_AV_API_PROTECT_RSP_EVT,
+ BTA_AV_API_RC_OPEN_EVT,
+ BTA_AV_SRC_DATA_READY_EVT,
+ BTA_AV_CI_SETCONFIG_OK_EVT,
+ BTA_AV_CI_SETCONFIG_FAIL_EVT,
+ BTA_AV_SDP_DISC_OK_EVT,
+ BTA_AV_SDP_DISC_FAIL_EVT,
+ BTA_AV_STR_DISC_OK_EVT,
+ BTA_AV_STR_DISC_FAIL_EVT,
+ BTA_AV_STR_GETCAP_OK_EVT,
+ BTA_AV_STR_GETCAP_FAIL_EVT,
+ BTA_AV_STR_OPEN_OK_EVT,
+ BTA_AV_STR_OPEN_FAIL_EVT,
+ BTA_AV_STR_START_OK_EVT,
+ BTA_AV_STR_START_FAIL_EVT,
+ BTA_AV_STR_CLOSE_EVT,
+ BTA_AV_STR_CONFIG_IND_EVT,
+ BTA_AV_STR_SECURITY_IND_EVT,
+ BTA_AV_STR_SECURITY_CFM_EVT,
+ BTA_AV_STR_WRITE_CFM_EVT,
+ BTA_AV_STR_SUSPEND_CFM_EVT,
+ BTA_AV_STR_RECONFIG_CFM_EVT,
+ BTA_AV_AVRC_TIMER_EVT,
+ BTA_AV_AVDT_CONNECT_EVT,
+ BTA_AV_AVDT_DISCONNECT_EVT,
+ BTA_AV_ROLE_CHANGE_EVT,
+ BTA_AV_AVDT_DELAY_RPT_EVT,
+ BTA_AV_ACP_CONNECT_EVT,
+
+ /* these events are handled outside of the state machine */
+ BTA_AV_API_ENABLE_EVT,
+ BTA_AV_API_REGISTER_EVT,
+ BTA_AV_API_DEREGISTER_EVT,
+ BTA_AV_API_DISCONNECT_EVT,
+ BTA_AV_CI_SRC_DATA_READY_EVT,
+ BTA_AV_SIG_CHG_EVT,
+ BTA_AV_SIG_TIMER_EVT,
+ BTA_AV_SDP_AVRC_DISC_EVT,
+ BTA_AV_AVRC_CLOSE_EVT,
+ BTA_AV_CONN_CHG_EVT,
+ BTA_AV_DEREG_COMP_EVT,
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ BTA_AV_API_SINK_ENABLE_EVT,
+#endif
+#if (AVDT_REPORTING == TRUE)
+ BTA_AV_AVDT_RPT_CONN_EVT,
+#endif
+ BTA_AV_API_START_EVT, /* the following 2 events must be in the same order as the *AP_*EVT */
+ BTA_AV_API_STOP_EVT
+};
+
+/* events for AV control block state machine */
+#define BTA_AV_FIRST_SM_EVT BTA_AV_API_DISABLE_EVT
+#define BTA_AV_LAST_SM_EVT BTA_AV_AVRC_NONE_EVT
+
+/* events for AV stream control block state machine */
+#define BTA_AV_FIRST_SSM_EVT BTA_AV_API_OPEN_EVT
+
+/* events that do not go through state machine */
+#define BTA_AV_FIRST_NSM_EVT BTA_AV_API_ENABLE_EVT
+#define BTA_AV_LAST_NSM_EVT BTA_AV_API_STOP_EVT
+
+/* API events passed to both SSMs (by bta_av_api_to_ssm) */
+#define BTA_AV_FIRST_A2S_API_EVT BTA_AV_API_START_EVT
+#define BTA_AV_FIRST_A2S_SSM_EVT BTA_AV_AP_START_EVT
+
+#define BTA_AV_LAST_EVT BTA_AV_API_STOP_EVT
+
+/* maximum number of SEPS in stream discovery results */
+#define BTA_AV_NUM_SEPS 32
+
+/* initialization value for AVRC handle */
+#define BTA_AV_RC_HANDLE_NONE 0xFF
+
+/* size of database for service discovery */
+#define BTA_AV_DISC_BUF_SIZE 1000
+
+/* offset of media type in codec info byte array */
+#define BTA_AV_MEDIA_TYPE_IDX 1
+
+/* maximum length of AVDTP security data */
+#define BTA_AV_SECURITY_MAX_LEN 400
+
+/* check number of buffers queued at L2CAP when this amount of buffers are queued to L2CAP */
+#define BTA_AV_QUEUE_DATA_CHK_NUM L2CAP_HIGH_PRI_MIN_XMIT_QUOTA
+
+/* the number of ACL links with AVDT */
+#define BTA_AV_NUM_LINKS AVDT_NUM_LINKS
+
+#define BTA_AV_CO_ID_TO_BE_STREAM(p, u32) {*(p)++ = (UINT8)((u32) >> 16); *(p)++ = (UINT8)((u32) >> 8); *(p)++ = (UINT8)(u32); }
+#define BTA_AV_BE_STREAM_TO_CO_ID(u32, p) {u32 = (((UINT32)(*((p) + 2))) + (((UINT32)(*((p) + 1))) << 8) + (((UINT32)(*(p))) << 16)); (p) += 3;}
+
+/* these bits are defined for bta_av_cb.multi_av */
+#define BTA_AV_MULTI_AV_SUPPORTED 0x01
+#define BTA_AV_MULTI_AV_IN_USE 0x02
+
+
+/*****************************************************************************
+** Data types
+*****************************************************************************/
+
+/* function types for call-out functions */
+typedef BOOLEAN (*tBTA_AV_CO_INIT) (UINT8 *p_codec_type, UINT8 *p_codec_info,
+ UINT8 *p_num_protect, UINT8 *p_protect_info, UINT8 index);
+typedef void (*tBTA_AV_CO_DISC_RES) (tBTA_AV_HNDL hndl, UINT8 num_seps,
+ UINT8 num_snk, UINT8 num_src, BD_ADDR addr, UINT16 uuid_local);
+typedef UINT8 (*tBTA_AV_CO_GETCFG) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
+ UINT8 *p_num_protect, UINT8 *p_protect_info);
+typedef void (*tBTA_AV_CO_SETCFG) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
+ UINT8 num_protect, UINT8 *p_protect_info,
+ UINT8 t_local_sep, UINT8 avdt_handle);
+typedef void (*tBTA_AV_CO_OPEN) (tBTA_AV_HNDL hndl,
+ tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
+ UINT16 mtu);
+typedef void (*tBTA_AV_CO_CLOSE) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, UINT16 mtu);
+typedef void (*tBTA_AV_CO_START) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr);
+typedef void (*tBTA_AV_CO_STOP) (tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type);
+typedef void * (*tBTA_AV_CO_DATAPATH) (tBTA_AV_CODEC codec_type,
+ UINT32 *p_len, UINT32 *p_timestamp);
+typedef void (*tBTA_AV_CO_DELAY) (tBTA_AV_HNDL hndl, UINT16 delay);
+
+/* the call-out functions for one stream */
+typedef struct
+{
+ tBTA_AV_CO_INIT init;
+ tBTA_AV_CO_DISC_RES disc_res;
+ tBTA_AV_CO_GETCFG getcfg;
+ tBTA_AV_CO_SETCFG setcfg;
+ tBTA_AV_CO_OPEN open;
+ tBTA_AV_CO_CLOSE close;
+ tBTA_AV_CO_START start;
+ tBTA_AV_CO_STOP stop;
+ tBTA_AV_CO_DATAPATH data;
+ tBTA_AV_CO_DELAY delay;
+} tBTA_AV_CO_FUNCTS;
+
+/* data type for BTA_AV_API_ENABLE_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ tBTA_AV_CBACK *p_cback;
+ tBTA_AV_FEAT features;
+ tBTA_SEC sec_mask;
+} tBTA_AV_API_ENABLE;
+
+/* data type for BTA_AV_API_REG_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ char p_service_name[BTA_SERVICE_NAME_LEN+1];
+ UINT8 app_id;
+ tBTA_AV_DATA_CBACK *p_app_data_cback;
+} tBTA_AV_API_REG;
+
+
+enum
+{
+ BTA_AV_RS_NONE, /* straight API call */
+ BTA_AV_RS_OK, /* the role switch result - successful */
+ BTA_AV_RS_FAIL, /* the role switch result - failed */
+ BTA_AV_RS_DONE /* the role switch is done - continue */
+};
+typedef UINT8 tBTA_AV_RS_RES;
+/* data type for BTA_AV_API_OPEN_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ BD_ADDR bd_addr;
+ BOOLEAN use_rc;
+ tBTA_SEC sec_mask;
+ tBTA_AV_RS_RES switch_res;
+ UINT16 uuid; /* uuid of initiator */
+} tBTA_AV_API_OPEN;
+
+/* data type for BTA_AV_API_STOP_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ BOOLEAN suspend;
+ BOOLEAN flush;
+} tBTA_AV_API_STOP;
+
+/* data type for BTA_AV_API_DISCONNECT_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ BD_ADDR bd_addr;
+} tBTA_AV_API_DISCNT;
+
+/* data type for BTA_AV_API_PROTECT_REQ_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ UINT8 *p_data;
+ UINT16 len;
+} tBTA_AV_API_PROTECT_REQ;
+
+/* data type for BTA_AV_API_PROTECT_RSP_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ UINT8 *p_data;
+ UINT16 len;
+ UINT8 error_code;
+} tBTA_AV_API_PROTECT_RSP;
+
+/* data type for BTA_AV_API_REMOTE_CMD_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ tAVRC_MSG_PASS msg;
+ UINT8 label;
+} tBTA_AV_API_REMOTE_CMD;
+
+/* data type for BTA_AV_API_VENDOR_CMD_EVT and RSP */
+typedef struct
+{
+ BT_HDR hdr;
+ tAVRC_MSG_VENDOR msg;
+ UINT8 label;
+} tBTA_AV_API_VENDOR;
+
+/* data type for BTA_AV_API_RC_OPEN_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+} tBTA_AV_API_OPEN_RC;
+
+/* data type for BTA_AV_API_RC_CLOSE_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+} tBTA_AV_API_CLOSE_RC;
+
+/* data type for BTA_AV_API_META_RSP_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ BOOLEAN is_rsp;
+ UINT8 label;
+ tBTA_AV_CODE rsp_code;
+ BT_HDR *p_pkt;
+} tBTA_AV_API_META_RSP;
+
+
+/* data type for BTA_AV_API_RECONFIG_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ UINT8 codec_info[AVDT_CODEC_SIZE]; /* codec configuration */
+ UINT8 *p_protect_info;
+ UINT8 num_protect;
+ BOOLEAN suspend;
+ UINT8 sep_info_idx;
+} tBTA_AV_API_RCFG;
+
+/* data type for BTA_AV_CI_SETCONFIG_OK_EVT and BTA_AV_CI_SETCONFIG_FAIL_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ tBTA_AV_HNDL hndl;
+ UINT8 err_code;
+ UINT8 category;
+ UINT8 num_seid;
+ UINT8 *p_seid;
+ BOOLEAN recfg_needed;
+ UINT8 avdt_handle; /* local sep type for which this stream will be set up */
+} tBTA_AV_CI_SETCONFIG;
+
+/* data type for all stream events from AVDTP */
+typedef struct {
+ BT_HDR hdr;
+ tAVDT_CFG cfg; /* configuration/capabilities parameters */
+ tAVDT_CTRL msg; /* AVDTP callback message parameters */
+ BD_ADDR bd_addr; /* bd address */
+ UINT8 handle;
+ UINT8 avdt_event;
+ BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */
+} tBTA_AV_STR_MSG;
+
+/* data type for BTA_AV_AVRC_MSG_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ tAVRC_MSG msg;
+ UINT8 handle;
+ UINT8 label;
+ UINT8 opcode;
+} tBTA_AV_RC_MSG;
+
+/* data type for BTA_AV_AVRC_OPEN_EVT, BTA_AV_AVRC_CLOSE_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ BD_ADDR peer_addr;
+ UINT8 handle;
+} tBTA_AV_RC_CONN_CHG;
+
+/* data type for BTA_AV_CONN_CHG_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ BD_ADDR peer_addr;
+ BOOLEAN is_up;
+} tBTA_AV_CONN_CHG;
+
+/* data type for BTA_AV_ROLE_CHANGE_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ UINT8 new_role;
+ UINT8 hci_status;
+} tBTA_AV_ROLE_RES;
+
+/* data type for BTA_AV_SDP_DISC_OK_EVT */
+typedef struct
+{
+ BT_HDR hdr;
+ UINT16 avdt_version; /* AVDTP protocol version */
+} tBTA_AV_SDP_RES;
+
+/* type for SEP control block */
+typedef struct
+{
+ UINT8 av_handle; /* AVDTP handle */
+ tBTA_AV_CODEC codec_type; /* codec type */
+ UINT8 tsep; /* SEP type of local SEP */
+ tBTA_AV_DATA_CBACK *p_app_data_cback; /* Application callback for media packets */
+} tBTA_AV_SEP;
+
+
+/* initiator/acceptor role for adaption */
+#define BTA_AV_ROLE_AD_INT 0x00 /* initiator */
+#define BTA_AV_ROLE_AD_ACP 0x01 /* acceptor */
+
+/* initiator/acceptor signaling roles */
+#define BTA_AV_ROLE_START_ACP 0x00
+#define BTA_AV_ROLE_START_INT 0x10 /* do not change this value */
+
+#define BTA_AV_ROLE_SUSPEND 0x20 /* suspending on start */
+#define BTA_AV_ROLE_SUSPEND_OPT 0x40 /* Suspend on Start option is set */
+
+/* union of all event datatypes */
+typedef union
+{
+ BT_HDR hdr;
+ tBTA_AV_API_ENABLE api_enable;
+ tBTA_AV_API_REG api_reg;
+ tBTA_AV_API_OPEN api_open;
+ tBTA_AV_API_STOP api_stop;
+ tBTA_AV_API_DISCNT api_discnt;
+ tBTA_AV_API_PROTECT_REQ api_protect_req;
+ tBTA_AV_API_PROTECT_RSP api_protect_rsp;
+ tBTA_AV_API_REMOTE_CMD api_remote_cmd;
+ tBTA_AV_API_VENDOR api_vendor;
+ tBTA_AV_API_RCFG api_reconfig;
+ tBTA_AV_CI_SETCONFIG ci_setconfig;
+ tBTA_AV_STR_MSG str_msg;
+ tBTA_AV_RC_MSG rc_msg;
+ tBTA_AV_RC_CONN_CHG rc_conn_chg;
+ tBTA_AV_CONN_CHG conn_chg;
+ tBTA_AV_ROLE_RES role_res;
+ tBTA_AV_SDP_RES sdp_res;
+ tBTA_AV_API_META_RSP api_meta_rsp;
+} tBTA_AV_DATA;
+
+typedef void (tBTA_AV_VDP_DATA_ACT)(void *p_scb);
+
+typedef struct
+{
+ tBTA_AV_VDP_DATA_ACT *p_act;
+ UINT8 *p_frame;
+ UINT16 buf_size;
+ UINT32 len;
+ UINT32 offset;
+ UINT32 timestamp;
+} tBTA_AV_VF_INFO;
+
+typedef union
+{
+ tBTA_AV_VF_INFO vdp; /* used for video channels only */
+ tBTA_AV_API_OPEN open; /* used only before open and role switch
+ is needed on another AV channel */
+} tBTA_AV_Q_INFO;
+
+#define BTA_AV_Q_TAG_OPEN 0x01 /* after API_OPEN, before STR_OPENED */
+#define BTA_AV_Q_TAG_START 0x02 /* before start sending media packets */
+#define BTA_AV_Q_TAG_STREAM 0x03 /* during streaming */
+
+#define BTA_AV_WAIT_ACP_CAPS_ON 0x01 /* retriving the peer capabilities */
+#define BTA_AV_WAIT_ACP_CAPS_STARTED 0x02 /* started while retriving peer capabilities */
+#define BTA_AV_WAIT_ROLE_SW_RES_OPEN 0x04 /* waiting for role switch result after API_OPEN, before STR_OPENED */
+#define BTA_AV_WAIT_ROLE_SW_RES_START 0x08 /* waiting for role switch result before streaming */
+#define BTA_AV_WAIT_ROLE_SW_STARTED 0x10 /* started while waiting for role switch result */
+#define BTA_AV_WAIT_ROLE_SW_RETRY 0x20 /* set when retry on timeout */
+#define BTA_AV_WAIT_CHECK_RC 0x40 /* set when the timer is used by role switch */
+#define BTA_AV_WAIT_ROLE_SW_FAILED 0x80 /* role switch failed */
+
+#define BTA_AV_WAIT_ROLE_SW_BITS (BTA_AV_WAIT_ROLE_SW_RES_OPEN|BTA_AV_WAIT_ROLE_SW_RES_START|BTA_AV_WAIT_ROLE_SW_STARTED|BTA_AV_WAIT_ROLE_SW_RETRY)
+
+/* Bitmap for collision, coll_mask */
+#define BTA_AV_COLL_INC_TMR 0x01 /* Timer is running for incoming L2C connection */
+#define BTA_AV_COLL_API_CALLED 0x02 /* API open was called while incoming timer is running */
+
+/* type for AV stream control block */
+typedef struct
+{
+ const tBTA_AV_ACT *p_act_tbl; /* the action table for stream state machine */
+ const tBTA_AV_CO_FUNCTS *p_cos; /* the associated callout functions */
+ tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */
+ tBTA_AV_SEP seps[BTA_AV_MAX_SEPS];
+ tAVDT_CFG *p_cap; /* buffer used for get capabilities */
+ list_t *a2d_list; /* used for audio channels only */
+ tBTA_AV_Q_INFO q_info;
+ tAVDT_SEP_INFO sep_info[BTA_AV_NUM_SEPS]; /* stream discovery results */
+ tAVDT_CFG cfg; /* local SEP configuration */
+ TIMER_LIST_ENT timer; /* delay timer for AVRC CT */
+ BD_ADDR peer_addr; /* peer BD address */
+ UINT16 l2c_cid; /* L2CAP channel ID */
+ UINT16 stream_mtu; /* MTU of stream */
+ UINT16 avdt_version; /* the avdt version of peer device */
+ tBTA_SEC sec_mask; /* security mask */
+ tBTA_AV_CODEC codec_type; /* codec type */
+ UINT8 media_type; /* Media type */
+ BOOLEAN cong; /* TRUE if AVDTP congested */
+ tBTA_AV_STATUS open_status; /* open failure status */
+ tBTA_AV_CHNL chnl; /* the channel: audio/video */
+ tBTA_AV_HNDL hndl; /* the handle: ((hdi + 1)|chnl) */
+ UINT16 cur_psc_mask; /* Protocol service capabilities mask for current connection */
+ UINT8 avdt_handle; /* AVDTP handle */
+ UINT8 hdi; /* the index to SCB[] */
+ UINT8 num_seps; /* number of seps returned by stream discovery */
+ UINT8 num_disc_snks; /* number of discovered snks */
+ UINT8 num_disc_srcs; /* number of discovered srcs */
+ UINT8 sep_info_idx; /* current index into sep_info */
+ UINT8 sep_idx; /* current index into local seps[] */
+ UINT8 rcfg_idx; /* reconfig requested index into sep_info */
+ UINT8 state; /* state machine state */
+ UINT8 avdt_label; /* AVDTP label */
+ UINT8 app_id; /* application id */
+ UINT8 num_recfg; /* number of reconfigure sent */
+ UINT8 role;
+ UINT8 l2c_bufs; /* the number of buffers queued to L2CAP */
+ UINT8 rc_handle; /* connected AVRCP handle */
+ BOOLEAN use_rc; /* TRUE if AVRCP is allowed */
+ BOOLEAN started; /* TRUE if stream started */
+ UINT8 co_started; /* non-zero, if stream started from call-out perspective */
+ BOOLEAN recfg_sup; /* TRUE if the first attempt to reconfigure the stream was successfull, else False if command fails */
+ BOOLEAN suspend_sup; /* TRUE if Suspend stream is supported, else FALSE if suspend command fails */
+ BOOLEAN deregistring; /* TRUE if deregistering */
+ BOOLEAN sco_suspend; /* TRUE if SUSPEND is issued automatically for SCO */
+ UINT8 coll_mask; /* Mask to check incoming and outgoing collision */
+ tBTA_AV_API_OPEN open_api; /* Saved OPEN api message */
+ UINT8 wait; /* set 0x1, when getting Caps as ACP, set 0x2, when started */
+ UINT8 q_tag; /* identify the associated q_info union member */
+ BOOLEAN no_rtp_hdr; /* TRUE if add no RTP header*/
+ UINT16 uuid_int; /*intended UUID of Initiator to connect to */
+} tBTA_AV_SCB;
+
+#define BTA_AV_RC_ROLE_MASK 0x10
+#define BTA_AV_RC_ROLE_INT 0x00
+#define BTA_AV_RC_ROLE_ACP 0x10
+
+#define BTA_AV_RC_CONN_MASK 0x20
+
+/* type for AV RCP control block */
+/* index to this control block is the rc handle */
+typedef struct
+{
+ UINT8 status;
+ UINT8 handle;
+ UINT8 shdl; /* stream handle (hdi + 1) */
+ UINT8 lidx; /* (index+1) to LCB */
+ tBTA_AV_FEAT peer_features; /* peer features mask */
+} tBTA_AV_RCB;
+#define BTA_AV_NUM_RCB (BTA_AV_NUM_STRS + 2)
+
+enum
+{
+ BTA_AV_LCB_FREE,
+ BTA_AV_LCB_FIND
+};
+
+/* type for AV ACL Link control block */
+typedef struct
+{
+ BD_ADDR addr; /* peer BD address */
+ UINT8 conn_msk; /* handle mask of connected stream handle */
+ UINT8 lidx; /* index + 1 */
+} tBTA_AV_LCB;
+
+/* type for stream state machine action functions */
+typedef void (*tBTA_AV_SACT)(tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+
+
+/* type for AV control block */
+typedef struct
+{
+ tBTA_AV_SCB *p_scb[BTA_AV_NUM_STRS]; /* stream control block */
+ tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */
+ tBTA_AV_CBACK *p_cback; /* application callback function */
+ tBTA_AV_RCB rcb[BTA_AV_NUM_RCB]; /* RCB control block */
+ tBTA_AV_LCB lcb[BTA_AV_NUM_LINKS+1]; /* link control block */
+ TIMER_LIST_ENT sig_tmr; /* link timer */
+ TIMER_LIST_ENT acp_sig_tmr; /* timer to monitor signalling when accepting */
+ UINT32 sdp_a2d_handle; /* SDP record handle for audio src */
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ UINT32 sdp_a2d_snk_handle; /* SDP record handle for audio snk */
+#endif
+ UINT32 sdp_vdp_handle; /* SDP record handle for video src */
+ tBTA_AV_FEAT features; /* features mask */
+ tBTA_SEC sec_mask; /* security mask */
+ tBTA_AV_HNDL handle; /* the handle for SDP activity */
+ BOOLEAN disabling; /* TRUE if api disabled called */
+ UINT8 disc; /* (hdi+1) or (rc_handle|BTA_AV_CHNL_MSK) if p_disc_db is in use */
+ UINT8 state; /* state machine state */
+ UINT8 conn_rc; /* handle mask of connected RCP channels */
+ UINT8 conn_audio; /* handle mask of connected audio channels */
+ UINT8 conn_video; /* handle mask of connected video channels */
+ UINT8 conn_lcb; /* index mask of used LCBs */
+ UINT8 audio_open_cnt; /* number of connected audio channels */
+ UINT8 reg_audio; /* handle mask of registered audio channels */
+ UINT8 reg_video; /* handle mask of registered video channels */
+ UINT8 rc_acp_handle;
+ UINT8 rc_acp_idx; /* (index + 1) to RCB */
+ UINT8 rs_idx; /* (index + 1) to SCB for the one waiting for RS on open */
+ BOOLEAN sco_occupied; /* TRUE if SCO is being used or call is in progress */
+ UINT8 audio_streams; /* handle mask of streaming audio channels */
+ UINT8 video_streams; /* handle mask of streaming video channels */
+} tBTA_AV_CB;
+
+
+
+/*****************************************************************************
+** Global data
+*****************************************************************************/
+
+/* control block declaration */
+#if BTA_DYNAMIC_MEMORY == FALSE
+extern tBTA_AV_CB bta_av_cb;
+#else
+extern tBTA_AV_CB *bta_av_cb_ptr;
+#define bta_av_cb (*bta_av_cb_ptr)
+#endif
+
+/* config struct */
+extern tBTA_AV_CFG *p_bta_av_cfg;
+
+/* rc id config struct */
+extern UINT16 *p_bta_av_rc_id;
+extern UINT16 *p_bta_av_rc_id_ac;
+
+extern const tBTA_AV_SACT bta_av_a2d_action[];
+extern const tBTA_AV_CO_FUNCTS bta_av_a2d_cos;
+extern const tBTA_AV_SACT bta_av_vdp_action[];
+extern tAVDT_CTRL_CBACK * const bta_av_dt_cback[];
+extern void bta_av_stream_data_cback(UINT8 handle, BT_HDR *p_pkt, UINT32 time_stamp, UINT8 m_pt);
+
+/*****************************************************************************
+** Function prototypes
+*****************************************************************************/
+/* utility functions */
+extern tBTA_AV_SCB *bta_av_hndl_to_scb(UINT16 handle);
+extern BOOLEAN bta_av_chk_start(tBTA_AV_SCB *p_scb);
+extern void bta_av_restore_switch (void);
+extern UINT16 bta_av_chk_mtu(tBTA_AV_SCB *p_scb, UINT16 mtu);
+extern void bta_av_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data);
+extern UINT8 bta_av_rc_create(tBTA_AV_CB *p_cb, UINT8 role, UINT8 shdl, UINT8 lidx);
+extern void bta_av_stream_chg(tBTA_AV_SCB *p_scb, BOOLEAN started);
+extern BOOLEAN bta_av_is_scb_opening (tBTA_AV_SCB *p_scb);
+extern BOOLEAN bta_av_is_scb_incoming (tBTA_AV_SCB *p_scb);
+extern void bta_av_set_scb_sst_init (tBTA_AV_SCB *p_scb);
+extern BOOLEAN bta_av_is_scb_init (tBTA_AV_SCB *p_scb);
+extern void bta_av_set_scb_sst_incoming (tBTA_AV_SCB *p_scb);
+extern tBTA_AV_LCB * bta_av_find_lcb(BD_ADDR addr, UINT8 op);
+
+
+/* main functions */
+extern void bta_av_api_deregister(tBTA_AV_DATA *p_data);
+extern void bta_av_dup_audio_buf(tBTA_AV_SCB *p_scb, BT_HDR *p_buf);
+extern void bta_av_sm_execute(tBTA_AV_CB *p_cb, UINT16 event, tBTA_AV_DATA *p_data);
+extern void bta_av_ssm_execute(tBTA_AV_SCB *p_scb, UINT16 event, tBTA_AV_DATA *p_data);
+extern BOOLEAN bta_av_hdl_event(BT_HDR *p_msg);
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+extern char *bta_av_evt_code(UINT16 evt_code);
+#endif
+extern BOOLEAN bta_av_switch_if_needed(tBTA_AV_SCB *p_scb);
+extern BOOLEAN bta_av_link_role_ok(tBTA_AV_SCB *p_scb, UINT8 bits);
+extern BOOLEAN bta_av_is_rcfg_sst(tBTA_AV_SCB *p_scb);
+
+/* nsm action functions */
+extern void bta_av_api_disconnect(tBTA_AV_DATA *p_data);
+extern void bta_av_sig_chg(tBTA_AV_DATA *p_data);
+extern void bta_av_sig_timer(tBTA_AV_DATA *p_data);
+extern void bta_av_rc_disc_done(tBTA_AV_DATA *p_data);
+extern void bta_av_rc_closed(tBTA_AV_DATA *p_data);
+extern void bta_av_rc_disc(UINT8 disc);
+extern void bta_av_conn_chg(tBTA_AV_DATA *p_data);
+extern void bta_av_dereg_comp(tBTA_AV_DATA *p_data);
+
+/* sm action functions */
+extern void bta_av_disable (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_opened (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_remote_cmd (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_vendor_cmd (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_vendor_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_close (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_meta_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_free_rsp (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+extern void bta_av_rc_free_msg (tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+
+extern tBTA_AV_RCB * bta_av_get_rcb_by_shdl(UINT8 shdl);
+extern void bta_av_del_rc(tBTA_AV_RCB *p_rcb);
+
+/* ssm action functions */
+extern void bta_av_do_disc_a2d (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_cleanup (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_free_sdb (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_config_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_disconnect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_security_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_security_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_setconfig_rsp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_security_ind (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_security_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_do_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_connect_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_sdp_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_disc_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_disc_res_as_acp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_open_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_getcap_results (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_setconfig_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_discover_req (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_conn_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_do_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_str_stopped (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_reconfig (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_data_path (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_start_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_start_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_str_closed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_clr_cong (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_suspend_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_rcfg_str_ok (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_rcfg_failed (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_rcfg_connect (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_rcfg_discntd (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_suspend_cont (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_rcfg_cfm (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_rcfg_open (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_security_rej (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_open_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_chk_2nd_start (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_save_caps (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_rej_conn (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_set_use_rc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_cco_close (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_switch_role (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_role_res (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_delay_co (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_open_at_inc (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+
+/* ssm action functions - vdp specific */
+extern void bta_av_do_disc_vdp (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_vdp_str_opened (tBTA_AV_SCB *p_scb, tBTA_AV_DATA *p_data);
+extern void bta_av_reg_vdp (tAVDT_CS *p_cs, char *p_service_name, void *p_data);
+
+#endif /* BTA_AV_INT_H */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the main implementation file for the BTA advanced audio/video.
+ *
+ ******************************************************************************/
+
+// #include <assert.h>
+#include <string.h>
+
+#include "bt_target.h"
+// #include "osi/include/log.h"
+#include "bt_trace.h"
+
+#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
+#include "bta_av_int.h"
+#include "utl.h"
+#include "l2c_api.h"
+#include "l2cdefs.h"
+#include "bta_av_co.h"
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+#include "bta_ar_api.h"
+#endif
+
+/*****************************************************************************
+** Constants and types
+*****************************************************************************/
+
+/* AVDTP protocol timeout values */
+#define BTIF_AVK_SERVICE_NAME "Advanced Audio Sink"
+
+#ifndef BTA_AV_RET_TOUT
+#define BTA_AV_RET_TOUT 4
+#endif
+
+#ifndef BTA_AV_SIG_TOUT
+#define BTA_AV_SIG_TOUT 4
+#endif
+
+#ifndef BTA_AV_IDLE_TOUT
+#define BTA_AV_IDLE_TOUT 10
+#endif
+
+/* the delay time in milliseconds to retry role switch */
+#ifndef BTA_AV_RS_TIME_VAL
+#define BTA_AV_RS_TIME_VAL 1000
+#endif
+
+/* state machine states */
+enum
+{
+ BTA_AV_INIT_ST,
+ BTA_AV_OPEN_ST
+};
+
+/* state machine action enumeration list */
+enum
+{
+ BTA_AV_DISABLE,
+ BTA_AV_RC_OPENED,
+ BTA_AV_RC_REMOTE_CMD,
+ BTA_AV_RC_VENDOR_CMD,
+ BTA_AV_RC_VENDOR_RSP,
+ BTA_AV_RC_FREE_RSP,
+ BTA_AV_RC_FREE_MSG,
+ BTA_AV_RC_META_RSP,
+ BTA_AV_RC_MSG,
+ BTA_AV_RC_CLOSE,
+ BTA_AV_NUM_ACTIONS
+};
+
+#define BTA_AV_IGNORE BTA_AV_NUM_ACTIONS
+
+/* type for action functions */
+typedef void (*tBTA_AV_ACTION)(tBTA_AV_CB *p_cb, tBTA_AV_DATA *p_data);
+
+/* action functions */
+const tBTA_AV_ACTION bta_av_action[] =
+{
+ bta_av_disable,
+ bta_av_rc_opened,
+ bta_av_rc_remote_cmd,
+ bta_av_rc_vendor_cmd,
+ bta_av_rc_vendor_rsp,
+ bta_av_rc_free_rsp,
+ bta_av_rc_free_msg,
+ bta_av_rc_meta_rsp,
+ bta_av_rc_msg,
+ bta_av_rc_close,
+ NULL
+};
+
+/* state table information */
+#define BTA_AV_ACTION_COL 0 /* position of actions */
+#define BTA_AV_NEXT_STATE 1 /* position of next state */
+#define BTA_AV_NUM_COLS 2 /* number of columns in state tables */
+
+/* state table for init state */
+static const UINT8 bta_av_st_init[][BTA_AV_NUM_COLS] =
+{
+/* Event Action 1 Next state */
+/* API_DISABLE_EVT */ {BTA_AV_DISABLE, BTA_AV_INIT_ST },
+/* API_REMOTE_CMD_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
+/* API_VENDOR_CMD_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
+/* API_VENDOR_RSP_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
+/* API_META_RSP_EVT */ {BTA_AV_RC_FREE_RSP, BTA_AV_INIT_ST },
+/* API_RC_CLOSE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
+/* AVRC_OPEN_EVT */ {BTA_AV_RC_OPENED, BTA_AV_OPEN_ST },
+/* AVRC_MSG_EVT */ {BTA_AV_RC_FREE_MSG, BTA_AV_INIT_ST },
+/* AVRC_NONE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
+};
+
+/* state table for open state */
+static const UINT8 bta_av_st_open[][BTA_AV_NUM_COLS] =
+{
+/* Event Action 1 Next state */
+/* API_DISABLE_EVT */ {BTA_AV_DISABLE, BTA_AV_INIT_ST },
+/* API_REMOTE_CMD_EVT */ {BTA_AV_RC_REMOTE_CMD, BTA_AV_OPEN_ST },
+/* API_VENDOR_CMD_EVT */ {BTA_AV_RC_VENDOR_CMD, BTA_AV_OPEN_ST },
+/* API_VENDOR_RSP_EVT */ {BTA_AV_RC_VENDOR_RSP, BTA_AV_OPEN_ST },
+/* API_META_RSP_EVT */ {BTA_AV_RC_META_RSP, BTA_AV_OPEN_ST },
+/* API_RC_CLOSE_EVT */ {BTA_AV_RC_CLOSE, BTA_AV_OPEN_ST },
+/* AVRC_OPEN_EVT */ {BTA_AV_RC_OPENED, BTA_AV_OPEN_ST },
+/* AVRC_MSG_EVT */ {BTA_AV_RC_MSG, BTA_AV_OPEN_ST },
+/* AVRC_NONE_EVT */ {BTA_AV_IGNORE, BTA_AV_INIT_ST },
+};
+
+/* type for state table */
+typedef const UINT8 (*tBTA_AV_ST_TBL)[BTA_AV_NUM_COLS];
+
+/* state table */
+static const tBTA_AV_ST_TBL bta_av_st_tbl[] =
+{
+ bta_av_st_init,
+ bta_av_st_open
+};
+
+typedef void (*tBTA_AV_NSM_ACT)(tBTA_AV_DATA *p_data);
+static void bta_av_api_enable(tBTA_AV_DATA *p_data);
+static void bta_av_api_register(tBTA_AV_DATA *p_data);
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+static void bta_av_api_sink_enable(tBTA_AV_DATA *p_data);
+#endif
+static void bta_av_ci_data(tBTA_AV_DATA *p_data);
+#if (AVDT_REPORTING == TRUE)
+static void bta_av_rpc_conn(tBTA_AV_DATA *p_data);
+#endif
+static void bta_av_api_to_ssm(tBTA_AV_DATA *p_data);
+
+static void bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8
+ app_id, BD_ADDR peer_addr);
+static void bta_av_sys_rs_cback (tBTA_SYS_CONN_STATUS status,UINT8 id, UINT8 app_id, BD_ADDR peer_addr);
+
+
+/* action functions */
+const tBTA_AV_NSM_ACT bta_av_nsm_act[] =
+{
+ bta_av_api_enable, /* BTA_AV_API_ENABLE_EVT */
+ bta_av_api_register, /* BTA_AV_API_REGISTER_EVT */
+ bta_av_api_deregister, /* BTA_AV_API_DEREGISTER_EVT */
+ bta_av_api_disconnect, /* BTA_AV_API_DISCONNECT_EVT */
+ bta_av_ci_data, /* BTA_AV_CI_SRC_DATA_READY_EVT */
+ bta_av_sig_chg, /* BTA_AV_SIG_CHG_EVT */
+ bta_av_sig_timer, /* BTA_AV_SIG_TIMER_EVT */
+ bta_av_rc_disc_done, /* BTA_AV_SDP_AVRC_DISC_EVT */
+ bta_av_rc_closed, /* BTA_AV_AVRC_CLOSE_EVT */
+ bta_av_conn_chg, /* BTA_AV_CONN_CHG_EVT */
+ bta_av_dereg_comp, /* BTA_AV_DEREG_COMP_EVT */
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ bta_av_api_sink_enable, /* BTA_AV_API_SINK_ENABLE_EVT */
+#endif
+#if (AVDT_REPORTING == TRUE)
+ bta_av_rpc_conn, /* BTA_AV_AVDT_RPT_CONN_EVT */
+#endif
+ bta_av_api_to_ssm, /* BTA_AV_API_START_EVT */
+ bta_av_api_to_ssm, /* BTA_AV_API_STOP_EVT */
+};
+
+/*****************************************************************************
+** Global data
+*****************************************************************************/
+
+/* AV control block */
+#if BTA_DYNAMIC_MEMORY == FALSE
+tBTA_AV_CB bta_av_cb;
+#endif
+
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+static char *bta_av_st_code(UINT8 state);
+#endif
+
+/*******************************************************************************
+**
+** Function bta_av_timer_cback
+**
+** Description forward the event to stream state machine
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_timer_cback(void *p_tle)
+{
+ BT_HDR *p_buf;
+ TIMER_LIST_ENT *p = (TIMER_LIST_ENT *)p_tle;
+ int xx;
+ tBTA_AV_SCB *p_scb = NULL;
+
+ /* find the SCB that has the timer */
+ for(xx=0; xx<BTA_AV_NUM_STRS; xx++)
+ {
+ if(bta_av_cb.p_scb[xx] && &(bta_av_cb.p_scb[xx]->timer)== p)
+ {
+ p_scb = bta_av_cb.p_scb[xx];
+ break;
+ }
+ }
+
+ if (p_scb && (p_buf = (BT_HDR *) GKI_getbuf(sizeof(BT_HDR))) != NULL)
+ {
+ /* send the event through the audio state machine.
+ * only when the audio SM is open, the main SM opens the RC connection as INT */
+ p_buf->event = p->event;
+ p_buf->layer_specific = p_scb->hndl;
+ bta_sys_sendmsg(p_buf);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_api_enable
+**
+** Description Handle an API enable event.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_api_enable(tBTA_AV_DATA *p_data)
+{
+ int i;
+ tBTA_AV_ENABLE enable;
+
+ /* initialize control block */
+ memset(&bta_av_cb, 0, sizeof(tBTA_AV_CB));
+
+ for(i=0; i<BTA_AV_NUM_RCB; i++)
+ bta_av_cb.rcb[i].handle = BTA_AV_RC_HANDLE_NONE;
+
+ bta_av_cb.rc_acp_handle = BTA_AV_RC_HANDLE_NONE;
+
+ /* store parameters */
+ bta_av_cb.p_cback = p_data->api_enable.p_cback;
+ bta_av_cb.features = p_data->api_enable.features;
+ bta_av_cb.sec_mask = p_data->api_enable.sec_mask;
+
+ enable.features = bta_av_cb.features;
+
+ /* Register for SCO change event */
+ if (!(bta_av_cb.features & BTA_AV_FEAT_NO_SCO_SSPD))
+ {
+ bta_sys_sco_register(bta_av_sco_chg_cback);
+ }
+
+ /* call callback with enable event */
+ (*bta_av_cb.p_cback)(BTA_AV_ENABLE_EVT, (tBTA_AV *)&enable);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_addr_to_scb
+**
+** Description find the stream control block by the peer addr
+**
+** Returns void
+**
+*******************************************************************************/
+static tBTA_AV_SCB * bta_av_addr_to_scb(BD_ADDR bd_addr)
+{
+ tBTA_AV_SCB * p_scb = NULL;
+ int xx;
+
+ for(xx=0; xx<BTA_AV_NUM_STRS; xx++)
+ {
+ if(bta_av_cb.p_scb[xx])
+ {
+ if(!bdcmp(bd_addr, bta_av_cb.p_scb[xx]->peer_addr))
+ {
+ p_scb = bta_av_cb.p_scb[xx];
+ break;
+ }
+ }
+ }
+ return p_scb;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_hndl_to_scb
+**
+** Description find the stream control block by the handle
+**
+** Returns void
+**
+*******************************************************************************/
+tBTA_AV_SCB * bta_av_hndl_to_scb(UINT16 handle)
+{
+ tBTA_AV_HNDL hndl = (tBTA_AV_HNDL)handle;
+ tBTA_AV_SCB * p_scb = NULL;
+ UINT8 idx = (hndl & BTA_AV_HNDL_MSK);
+
+ if(idx && (idx <= BTA_AV_NUM_STRS) )
+ {
+ p_scb = bta_av_cb.p_scb[idx-1];
+ }
+ return p_scb;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_alloc_scb
+**
+** Description allocate stream control block,
+** register the service to stack
+** create SDP record
+**
+** Returns void
+**
+*******************************************************************************/
+static tBTA_AV_SCB * bta_av_alloc_scb(tBTA_AV_CHNL chnl)
+{
+ tBTA_AV_SCB *p_ret = NULL;
+ int xx;
+ tBTA_AV_STATUS sts = BTA_AV_SUCCESS;
+
+ if(chnl == BTA_AV_CHNL_VIDEO)
+ {
+ if(p_bta_av_cfg->p_act_tbl == NULL || p_bta_av_cfg->p_reg == NULL)
+ {
+ APPL_TRACE_ERROR("Video streaming not supported");
+ sts = BTA_AV_FAIL;
+ }
+ else
+ {
+ /* allow only one Video channel */
+ if(bta_av_cb.reg_video)
+ {
+ APPL_TRACE_ERROR("Already registered");
+ sts = BTA_AV_FAIL;
+ }
+ }
+ }
+ else if(chnl != BTA_AV_CHNL_AUDIO)
+ {
+ APPL_TRACE_ERROR("bad channel: %d", chnl);
+ sts = BTA_AV_FAIL;
+ }
+
+ if(sts == BTA_AV_SUCCESS)
+ {
+ for(xx=0; xx<BTA_AV_NUM_STRS; xx++)
+ {
+ if(bta_av_cb.p_scb[xx] == NULL)
+ {
+ /* found an empty spot */
+ p_ret = (tBTA_AV_SCB *)GKI_getbuf(sizeof(tBTA_AV_SCB));
+ if(p_ret)
+ {
+ memset(p_ret, 0, sizeof(tBTA_AV_SCB));
+ p_ret->rc_handle = BTA_AV_RC_HANDLE_NONE;
+ p_ret->chnl = chnl;
+ p_ret->hndl = (tBTA_AV_HNDL)((xx + 1) | chnl);
+ p_ret->hdi = xx;
+ p_ret->a2d_list = list_new(NULL);
+ bta_av_cb.p_scb[xx] = p_ret;
+ }
+ break;
+ }
+ }
+ }
+ return p_ret;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_free_scb
+**
+** Description free stream control block,
+**
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_free_scb(tBTA_AV_SCB *p_scb)
+{
+ // NOTE(google) This free currently is not called
+ assert(p_scb != NULL);
+
+ list_free(p_scb->a2d_list);
+ GKI_freebuf(p_scb);
+}
+
+/*******************************************************************************
+*******************************************************************************/
+void bta_av_conn_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
+{
+ tBTA_AV_STR_MSG *p_msg;
+ UINT16 evt = 0;
+ tBTA_AV_SCB *p_scb = NULL;
+ UNUSED(handle);
+
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+ if (event == BTA_AR_AVDT_CONN_EVT ||
+ event == AVDT_CONNECT_IND_EVT || event == AVDT_DISCONNECT_IND_EVT)
+#else
+ if (event == AVDT_CONNECT_IND_EVT || event == AVDT_DISCONNECT_IND_EVT)
+#endif
+ {
+ evt = BTA_AV_SIG_CHG_EVT;
+ if(AVDT_DISCONNECT_IND_EVT == event)
+ p_scb = bta_av_addr_to_scb(bd_addr);
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+ else if (AVDT_CONNECT_IND_EVT == event)
+ {
+ APPL_TRACE_DEBUG("CONN_IND is ACP:%d", p_data->hdr.err_param);
+ }
+#endif
+
+ if (/*((p_scb && (p_scb->role & BTA_AV_ROLE_AD_ACP)) ||
+
+ //(AVDT_CONNECT_IND_EVT == event && AVDT_ACP == p_data->hdr.err_param))
+
+ (AVDT_CONNECT_IND_EVT == event))&& */
+ (p_msg = (tBTA_AV_STR_MSG *) GKI_getbuf((UINT16) (sizeof(tBTA_AV_STR_MSG)))) != NULL)
+ {
+ p_msg->hdr.event = evt;
+ p_msg->hdr.layer_specific = event;
+ p_msg->hdr.offset = p_data->hdr.err_param;
+ bdcpy(p_msg->bd_addr, bd_addr);
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+ if(p_scb)
+ {
+ APPL_TRACE_DEBUG("scb hndl x%x, role x%x", p_scb->hndl, p_scb->role);
+ }
+#endif
+ APPL_TRACE_DEBUG("conn_cback bd_addr:%02x-%02x-%02x-%02x-%02x-%02x",
+ bd_addr[0], bd_addr[1],
+ bd_addr[2], bd_addr[3],
+ bd_addr[4], bd_addr[5]);
+ bta_sys_sendmsg(p_msg);
+ }
+ }
+
+}
+
+#if AVDT_REPORTING == TRUE
+/*******************************************************************************
+**
+** Function bta_av_a2dp_report_cback
+**
+** Description A2DP report callback.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_a2dp_report_cback(UINT8 handle, AVDT_REPORT_TYPE type,
+ tAVDT_REPORT_DATA *p_data)
+{
+ UNUSED(handle);
+ UNUSED(type);
+ UNUSED(p_data);
+ /* Do not need to handle report data for now.
+ * This empty function is here for conformance reasons. */
+}
+#endif
+
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+/*******************************************************************************
+**
+** Function bta_av_api_sink_enable
+**
+** Description activate, deactive A2DP Sink,
+**
+** Returns void
+**
+*******************************************************************************/
+
+static void bta_av_api_sink_enable(tBTA_AV_DATA *p_data)
+{
+ UINT16 activate_sink = 0;
+ activate_sink = p_data->hdr.layer_specific;
+ APPL_TRACE_DEBUG("bta_av_api_sink_enable %d ", activate_sink)
+ char p_service_name[BTA_SERVICE_NAME_LEN+1];
+ BCM_STRNCPY_S(p_service_name, sizeof(p_service_name),
+ BTIF_AVK_SERVICE_NAME, BTA_SERVICE_NAME_LEN);
+
+ if(activate_sink)
+ {
+ AVDT_SINK_Activate();
+ if (bta_av_cb.sdp_a2d_snk_handle == 0)
+ {
+ bta_av_cb.sdp_a2d_snk_handle = SDP_CreateRecord();
+ A2D_AddRecord(UUID_SERVCLASS_AUDIO_SINK, p_service_name, NULL,
+ A2D_SUPF_PLAYER, bta_av_cb.sdp_a2d_snk_handle);
+ bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SINK);
+ }
+ }
+ else
+ {
+ AVDT_SINK_Deactivate();
+ if (bta_av_cb.sdp_a2d_snk_handle != 0)
+ {
+ SDP_DeleteRecord(bta_av_cb.sdp_a2d_snk_handle);
+ bta_av_cb.sdp_a2d_snk_handle = 0;
+ bta_sys_remove_uuid(UUID_SERVCLASS_AUDIO_SINK);
+ }
+ }
+}
+#endif
+/*******************************************************************************
+**
+** Function bta_av_api_register
+**
+** Description allocate stream control block,
+** register the service to stack
+** create SDP record
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_api_register(tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_REGISTER registr;
+ tBTA_AV_SCB *p_scb; /* stream control block */
+ tAVDT_REG reg;
+ tAVDT_CS cs;
+ char *p_service_name;
+ tBTA_AV_CODEC codec_type;
+ tBTA_UTL_COD cod;
+ UINT8 index = 0;
+ char p_avk_service_name[BTA_SERVICE_NAME_LEN+1];
+ BCM_STRNCPY_S(p_avk_service_name, sizeof(p_avk_service_name), BTIF_AVK_SERVICE_NAME, BTA_SERVICE_NAME_LEN);
+
+ memset(&cs,0,sizeof(tAVDT_CS));
+
+ registr.status = BTA_AV_FAIL_RESOURCES;
+ registr.app_id = p_data->api_reg.app_id;
+ registr.chnl = (tBTA_AV_CHNL)p_data->hdr.layer_specific;
+ do
+ {
+ p_scb = bta_av_alloc_scb(registr.chnl);
+ if(p_scb == NULL)
+ {
+ APPL_TRACE_ERROR("failed to alloc SCB");
+ break;
+ }
+
+ registr.hndl = p_scb->hndl;
+ p_scb->app_id = registr.app_id;
+
+ /* initialize the stream control block */
+ p_scb->timer.p_cback = (TIMER_CBACK*)&bta_av_timer_cback;
+ registr.status = BTA_AV_SUCCESS;
+
+ if((bta_av_cb.reg_audio + bta_av_cb.reg_video) == 0)
+ {
+ /* the first channel registered. register to AVDTP */
+ reg.ctrl_mtu = p_bta_av_cfg->sig_mtu;
+ reg.ret_tout = BTA_AV_RET_TOUT;
+ reg.sig_tout = BTA_AV_SIG_TOUT;
+ reg.idle_tout = BTA_AV_IDLE_TOUT;
+ reg.sec_mask = bta_av_cb.sec_mask;
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+ bta_ar_reg_avdt(®, bta_av_conn_cback, BTA_ID_AV);
+#endif
+ bta_sys_role_chg_register(&bta_av_sys_rs_cback);
+
+ /* create remote control TG service if required */
+ if (bta_av_cb.features & (BTA_AV_FEAT_RCTG))
+ {
+ /* register with no authorization; let AVDTP use authorization instead */
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+#if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE)
+ bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
+ bta_av_cb.sec_mask, BTA_ID_AV);
+#else
+ bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
+ (UINT8)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)), BTA_ID_AV);
+#endif
+
+ bta_ar_reg_avrc(UUID_SERVCLASS_AV_REM_CTRL_TARGET, "AV Remote Control Target", NULL,
+ p_bta_av_cfg->avrc_tg_cat, BTA_ID_AV);
+#endif
+ }
+
+ /* Set the Capturing service class bit */
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ cod.service = BTM_COD_SERVICE_CAPTURING | BTM_COD_SERVICE_RENDERING;
+#else
+ cod.service = BTM_COD_SERVICE_CAPTURING;
+#endif
+ utl_set_device_class(&cod, BTA_UTL_SET_COD_SERVICE_CLASS);
+ } /* if 1st channel */
+
+ /* get stream configuration and create stream */
+ /* memset(&cs.cfg,0,sizeof(tAVDT_CFG)); */
+ cs.cfg.num_codec = 1;
+ cs.tsep = AVDT_TSEP_SRC;
+
+ /*
+ * memset of cs takes care setting call back pointers to null.
+ cs.p_data_cback = NULL;
+ cs.p_report_cback = NULL;
+ */
+ cs.nsc_mask = AVDT_NSC_RECONFIG |
+ ((bta_av_cb.features & BTA_AV_FEAT_PROTECT) ? 0 : AVDT_NSC_SECURITY);
+ APPL_TRACE_DEBUG("nsc_mask: 0x%x", cs.nsc_mask);
+
+ if (p_data->api_reg.p_service_name[0] == 0)
+ {
+ p_service_name = NULL;
+ }
+ else
+ {
+ p_service_name = p_data->api_reg.p_service_name;
+ }
+
+ p_scb->suspend_sup = TRUE;
+ p_scb->recfg_sup = TRUE;
+
+ cs.p_ctrl_cback = bta_av_dt_cback[p_scb->hdi];
+ if(registr.chnl == BTA_AV_CHNL_AUDIO)
+ {
+ /* set up the audio stream control block */
+ p_scb->p_act_tbl = (const tBTA_AV_ACT *)bta_av_a2d_action;
+ p_scb->p_cos = &bta_av_a2d_cos;
+ p_scb->media_type= AVDT_MEDIA_AUDIO;
+ cs.cfg.psc_mask = AVDT_PSC_TRANS;
+ cs.media_type = AVDT_MEDIA_AUDIO;
+ cs.mtu = p_bta_av_cfg->audio_mtu;
+ cs.flush_to = L2CAP_DEFAULT_FLUSH_TO;
+#if AVDT_REPORTING == TRUE
+ if(bta_av_cb.features & BTA_AV_FEAT_REPORT)
+ {
+ cs.cfg.psc_mask |= AVDT_PSC_REPORT;
+ cs.p_report_cback = bta_av_a2dp_report_cback;
+#if AVDT_MULTIPLEXING == TRUE
+ cs.cfg.mux_tsid_report = 2;
+#endif
+ }
+#endif
+ if(bta_av_cb.features & BTA_AV_FEAT_DELAY_RPT)
+ cs.cfg.psc_mask |= AVDT_PSC_DELAY_RPT;
+
+ /* keep the configuration in the stream control block */
+ memcpy(&p_scb->cfg, &cs.cfg, sizeof(tAVDT_CFG));
+ while(index < BTA_AV_MAX_SEPS &&
+ (*bta_av_a2d_cos.init)(&codec_type, cs.cfg.codec_info,
+ &cs.cfg.num_protect, cs.cfg.protect_info, index) == TRUE)
+ {
+
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ if(index == 1)
+ {
+ cs.tsep = AVDT_TSEP_SNK;
+ cs.p_data_cback = bta_av_stream_data_cback;
+ }
+ APPL_TRACE_DEBUG(" SEP Type = %d",cs.tsep);
+#endif
+ if(AVDT_CreateStream(&p_scb->seps[index].av_handle, &cs) == AVDT_SUCCESS)
+ {
+ p_scb->seps[index].codec_type = codec_type;
+
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ p_scb->seps[index].tsep = cs.tsep;
+ if(cs.tsep == AVDT_TSEP_SNK)
+ p_scb->seps[index].p_app_data_cback = p_data->api_reg.p_app_data_cback;
+ else
+ p_scb->seps[index].p_app_data_cback = NULL; /* In case of A2DP SOURCE we don't need a callback to handle media packets */
+#endif
+
+ APPL_TRACE_DEBUG("audio[%d] av_handle: %d codec_type: %d",
+ index, p_scb->seps[index].av_handle, p_scb->seps[index].codec_type);
+ index++;
+ }
+ else
+ break;
+ }
+
+ if(!bta_av_cb.reg_audio)
+ {
+ /* create the SDP records on the 1st audio channel */
+ bta_av_cb.sdp_a2d_handle = SDP_CreateRecord();
+ A2D_AddRecord(UUID_SERVCLASS_AUDIO_SOURCE, p_service_name, NULL,
+ A2D_SUPF_PLAYER, bta_av_cb.sdp_a2d_handle);
+ bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SOURCE);
+
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ bta_av_cb.sdp_a2d_snk_handle = SDP_CreateRecord();
+ A2D_AddRecord(UUID_SERVCLASS_AUDIO_SINK, p_avk_service_name, NULL,
+ A2D_SUPF_PLAYER, bta_av_cb.sdp_a2d_snk_handle);
+ bta_sys_add_uuid(UUID_SERVCLASS_AUDIO_SINK);
+#endif
+ /* start listening when A2DP is registered */
+ if (bta_av_cb.features & BTA_AV_FEAT_RCTG)
+ bta_av_rc_create(&bta_av_cb, AVCT_ACP, 0, BTA_AV_NUM_LINKS + 1);
+
+ /* if the AV and AVK are both supported, it cannot support the CT role */
+ if (bta_av_cb.features & (BTA_AV_FEAT_RCCT))
+ {
+ /* if TG is not supported, we need to register to AVCT now */
+ if ((bta_av_cb.features & (BTA_AV_FEAT_RCTG)) == 0)
+ {
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+#if (BTA_AV_WITH_AVCTP_AUTHORIZATION == TRUE)
+ bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
+ bta_av_cb.sec_mask, BTA_ID_AV);
+#else
+ bta_ar_reg_avct(p_bta_av_cfg->avrc_mtu, p_bta_av_cfg->avrc_br_mtu,
+ (UINT8)(bta_av_cb.sec_mask & (~BTA_SEC_AUTHORIZE)), BTA_ID_AV);
+#endif
+#endif
+ }
+#if( defined BTA_AR_INCLUDED ) && (BTA_AR_INCLUDED == TRUE)
+ /* create an SDP record as AVRC CT. */
+ bta_ar_reg_avrc(UUID_SERVCLASS_AV_REMOTE_CONTROL, NULL, NULL,
+ p_bta_av_cfg->avrc_ct_cat, BTA_ID_AV);
+#endif
+ }
+ }
+ bta_av_cb.reg_audio |= BTA_AV_HNDL_TO_MSK(p_scb->hdi);
+ APPL_TRACE_DEBUG("reg_audio: 0x%x",bta_av_cb.reg_audio);
+ }
+ else
+ {
+ bta_av_cb.reg_video = BTA_AV_HNDL_TO_MSK(p_scb->hdi);
+ bta_av_cb.sdp_vdp_handle = SDP_CreateRecord();
+ /* register the video channel */
+ /* no need to verify the function pointer here. it's verified prior */
+ (*p_bta_av_cfg->p_reg)(&cs, p_service_name, p_scb);
+ }
+ } while (0);
+
+ /* call callback with register event */
+ (*bta_av_cb.p_cback)(BTA_AV_REGISTER_EVT, (tBTA_AV *)®istr);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_api_deregister
+**
+** Description de-register a channel
+**
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_api_deregister(tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_SCB *p_scb = bta_av_hndl_to_scb(p_data->hdr.layer_specific);
+
+ if(p_scb)
+ {
+ p_scb->deregistring = TRUE;
+ bta_av_ssm_execute(p_scb, BTA_AV_API_CLOSE_EVT, p_data);
+ }
+ else
+ {
+ bta_av_dereg_comp(p_data);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_ci_data
+**
+** Description forward the BTA_AV_CI_SRC_DATA_READY_EVT to stream state machine
+**
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_ci_data(tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_SCB *p_scb;
+ int i;
+ UINT8 chnl = (UINT8)p_data->hdr.layer_specific;
+
+ for( i=0; i < BTA_AV_NUM_STRS; i++ )
+ {
+ p_scb = bta_av_cb.p_scb[i];
+
+ if(p_scb && p_scb->chnl == chnl)
+ {
+ bta_av_ssm_execute(p_scb, BTA_AV_SRC_DATA_READY_EVT, p_data);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_rpc_conn
+**
+** Description report report channel open
+**
+** Returns void
+**
+*******************************************************************************/
+#if (AVDT_REPORTING == TRUE)
+static void bta_av_rpc_conn(tBTA_AV_DATA *p_data)
+{
+ UNUSED(p_data);
+}
+#endif
+
+/*******************************************************************************
+**
+** Function bta_av_api_to_ssm
+**
+** Description forward the API request to stream state machine
+**
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_api_to_ssm(tBTA_AV_DATA *p_data)
+{
+ int xx;
+ UINT16 event = p_data->hdr.event - BTA_AV_FIRST_A2S_API_EVT + BTA_AV_FIRST_A2S_SSM_EVT;
+
+ for(xx=0; xx<BTA_AV_NUM_STRS; xx++)
+ {
+ bta_av_ssm_execute(bta_av_cb.p_scb[xx], event, p_data);
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_chk_start
+**
+** Description if this is audio channel, check if more than one audio
+** channel is connected & already started.
+**
+** Returns TRUE, if need api_start
+**
+*******************************************************************************/
+BOOLEAN bta_av_chk_start(tBTA_AV_SCB *p_scb)
+{
+ BOOLEAN start = FALSE;
+ tBTA_AV_SCB *p_scbi;
+ int i;
+
+ if(p_scb->chnl == BTA_AV_CHNL_AUDIO)
+ {
+ if ((bta_av_cb.audio_open_cnt >= 2) &&
+ ((0 == (p_scb->role & BTA_AV_ROLE_AD_ACP)) || /* Outgoing connection or */
+ (bta_av_cb.features & BTA_AV_FEAT_ACP_START))) /* auto-starting option */
+ {
+ /* more than one audio channel is connected */
+ /* if this is the 2nd stream as ACP, give INT a chance to issue the START command */
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scbi = bta_av_cb.p_scb[i];
+ if(p_scbi && p_scbi->chnl == BTA_AV_CHNL_AUDIO && p_scbi->co_started)
+ {
+ start = TRUE;
+ /* may need to update the flush timeout of this already started stream */
+ if(p_scbi->co_started != bta_av_cb.audio_open_cnt)
+ {
+ p_scbi->co_started = bta_av_cb.audio_open_cnt;
+ L2CA_SetFlushTimeout(p_scbi->peer_addr, p_bta_av_cfg->p_audio_flush_to[p_scbi->co_started - 1] );
+ }
+ }
+ }
+ }
+ }
+ return start;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_restore_switch
+**
+** Description assume that the caller of this function already makes
+** sure that there's only one ACL connection left
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_restore_switch (void)
+{
+ tBTA_AV_CB *p_cb = &bta_av_cb;
+ int i;
+ UINT8 mask;
+
+ APPL_TRACE_DEBUG("reg_audio: 0x%x",bta_av_cb.reg_audio);
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ mask = BTA_AV_HNDL_TO_MSK(i);
+ if (p_cb->conn_audio == mask)
+ {
+ if (p_cb->p_scb[i])
+ {
+ bta_sys_set_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_cb->p_scb[i]->peer_addr);
+ }
+ break;
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sys_rs_cback
+**
+** Description Receives the role change event from dm
+**
+** Returns (BTA_SYS_ROLE_CHANGE, new_role, hci_status, p_bda)
+**
+*******************************************************************************/
+static void bta_av_sys_rs_cback (tBTA_SYS_CONN_STATUS status,UINT8 id, UINT8 app_id, BD_ADDR peer_addr)
+{
+ int i;
+ tBTA_AV_SCB *p_scb = NULL;
+ tBTA_AV_ROLE_RES *p_buf;
+ UINT8 cur_role;
+ UINT8 peer_idx = 0;
+ UNUSED(status);
+
+ APPL_TRACE_DEBUG("bta_av_sys_rs_cback: %d", bta_av_cb.rs_idx);
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ /* loop through all the SCBs to find matching peer addresses and report the role change event */
+ /* note that more than one SCB (a2dp & vdp) maybe waiting for this event */
+ p_scb = bta_av_cb.p_scb[i];
+ if (p_scb && (bdcmp (peer_addr, p_scb->peer_addr) == 0) &&
+ (p_buf = (tBTA_AV_ROLE_RES *) GKI_getbuf(sizeof(tBTA_AV_ROLE_RES))) != NULL)
+ {
+ APPL_TRACE_DEBUG("new_role:%d, hci_status:x%x hndl: x%x", id, app_id, p_scb->hndl);
+ /*
+ if ((id != BTM_ROLE_MASTER) && (app_id != HCI_SUCCESS))
+ {
+ bta_sys_set_policy(BTA_ID_AV, (HCI_ENABLE_MASTER_SLAVE_SWITCH|HCI_ENABLE_SNIFF_MODE), p_scb->peer_addr);
+ }
+ */
+ p_buf->hdr.event = BTA_AV_ROLE_CHANGE_EVT;
+ p_buf->hdr.layer_specific = p_scb->hndl;
+ p_buf->new_role = id;
+ p_buf->hci_status = app_id;
+ bta_sys_sendmsg(p_buf);
+
+ peer_idx = p_scb->hdi + 1; /* Handle index for the peer_addr */
+ }
+ }
+
+ /* restore role switch policy, if role switch failed */
+ if ((HCI_SUCCESS != app_id) &&
+ (BTM_GetRole (peer_addr, &cur_role) == BTM_SUCCESS) &&
+ (cur_role == BTM_ROLE_SLAVE) )
+ {
+ bta_sys_set_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, peer_addr);
+ }
+
+ /* if BTA_AvOpen() was called for other device, which caused the role switch of the peer_addr, */
+ /* we need to continue opening process for the BTA_AvOpen(). */
+ if ((bta_av_cb.rs_idx != 0) && (bta_av_cb.rs_idx != peer_idx))
+ {
+ if ((bta_av_cb.rs_idx -1) < BTA_AV_NUM_STRS)
+ {
+ p_scb = bta_av_cb.p_scb[bta_av_cb.rs_idx - 1];
+ }
+ if (p_scb && p_scb->q_tag == BTA_AV_Q_TAG_OPEN)
+ {
+ APPL_TRACE_DEBUG ("bta_av_sys_rs_cback: rs_idx(%d), hndl:x%x q_tag: %d",
+ bta_av_cb.rs_idx, p_scb->hndl, p_scb->q_tag);
+
+ if(HCI_SUCCESS == app_id || HCI_ERR_NO_CONNECTION == app_id)
+ p_scb->q_info.open.switch_res = BTA_AV_RS_OK;
+ else
+ p_scb->q_info.open.switch_res = BTA_AV_RS_FAIL;
+
+ /* Continue av open process */
+ bta_av_do_disc_a2d (p_scb, (tBTA_AV_DATA *)&(p_scb->q_info.open));
+ }
+
+ bta_av_cb.rs_idx = 0;
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sco_chg_cback
+**
+** Description receive & process the SCO connection up/down event from sys.
+** call setup also triggers this callback, to suspend av before sco
+** activity happens, or to resume av once call ends.
+**
+** Returns void
+**
+*******************************************************************************/
+static void bta_av_sco_chg_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8
+ app_id, BD_ADDR peer_addr)
+{
+ tBTA_AV_SCB *p_scb;
+ int i;
+ tBTA_AV_API_STOP stop;
+ UNUSED(app_id);
+ UNUSED(peer_addr);
+
+ APPL_TRACE_DEBUG("bta_av_sco_chg_cback:%d status:%d", id, status);
+ if(id)
+ {
+ bta_av_cb.sco_occupied = TRUE;
+
+ /* either BTA_SYS_SCO_OPEN or BTA_SYS_SCO_CLOSE with remaining active SCO */
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scb = bta_av_cb.p_scb[i];
+
+ if( p_scb && p_scb->co_started && (p_scb->sco_suspend == FALSE))
+ {
+ APPL_TRACE_DEBUG("suspending scb:%d", i);
+ /* scb is used and started, not suspended automatically */
+ p_scb->sco_suspend = TRUE;
+ stop.flush = FALSE;
+ stop.suspend = TRUE;
+ bta_av_ssm_execute(p_scb, BTA_AV_AP_STOP_EVT, (tBTA_AV_DATA *)&stop);
+ }
+ }
+ }
+ else
+ {
+ bta_av_cb.sco_occupied = FALSE;
+
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scb = bta_av_cb.p_scb[i];
+
+ if( p_scb && p_scb->sco_suspend ) /* scb is used and suspended for SCO */
+ {
+ APPL_TRACE_DEBUG("starting scb:%d", i);
+ bta_av_ssm_execute(p_scb, BTA_AV_AP_START_EVT, NULL);
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_switch_if_needed
+**
+** Description This function checks if there is another existing AV
+** channel that is local as slave role.
+** If so, role switch and remove it from link policy.
+**
+** Returns TRUE, if role switch is done
+**
+*******************************************************************************/
+BOOLEAN bta_av_switch_if_needed(tBTA_AV_SCB *p_scb)
+{
+ UINT8 role;
+ BOOLEAN needed = FALSE;
+ tBTA_AV_SCB *p_scbi;
+ int i;
+ UINT8 mask;
+
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ mask = BTA_AV_HNDL_TO_MSK(i);
+ p_scbi = bta_av_cb.p_scb[i];
+ if( p_scbi && (p_scb->hdi != i) && /* not the original channel */
+ ((bta_av_cb.conn_audio & mask) ||/* connected audio */
+ (bta_av_cb.conn_video & mask)) ) /* connected video */
+ {
+ BTM_GetRole(p_scbi->peer_addr, &role);
+ /* this channel is open - clear the role switch link policy for this link */
+ if(BTM_ROLE_MASTER != role)
+ {
+ if (bta_av_cb.features & BTA_AV_FEAT_MASTER)
+ bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_scbi->peer_addr);
+ if (BTM_CMD_STARTED != BTM_SwitchRole(p_scbi->peer_addr, BTM_ROLE_MASTER, NULL))
+ {
+ /* can not switch role on SCBI
+ * start the timer on SCB - because this function is ONLY called when SCB gets API_OPEN */
+ bta_sys_start_timer(&p_scb->timer, BTA_AV_AVRC_TIMER_EVT, BTA_AV_RS_TIME_VAL);
+ }
+ needed = TRUE;
+ /* mark the original channel as waiting for RS result */
+ bta_av_cb.rs_idx = p_scb->hdi + 1;
+ break;
+ }
+ }
+ }
+ return needed;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_link_role_ok
+**
+** Description This function checks if the SCB has existing ACL connection
+** If so, check if the link role fits the requirements.
+**
+** Returns TRUE, if role is ok
+**
+*******************************************************************************/
+BOOLEAN bta_av_link_role_ok(tBTA_AV_SCB *p_scb, UINT8 bits)
+{
+ UINT8 role;
+ BOOLEAN is_ok = TRUE;
+
+ if (BTM_GetRole(p_scb->peer_addr, &role) == BTM_SUCCESS)
+ {
+ LOG_INFO("%s hndl:x%x role:%d conn_audio:x%x bits:%d features:x%x",
+ __func__, p_scb->hndl, role, bta_av_cb.conn_audio, bits,
+ bta_av_cb.features);
+ if (BTM_ROLE_MASTER != role && (A2D_BitsSet(bta_av_cb.conn_audio) > bits || (bta_av_cb.features & BTA_AV_FEAT_MASTER)))
+ {
+ if (bta_av_cb.features & BTA_AV_FEAT_MASTER)
+ bta_sys_clear_policy(BTA_ID_AV, HCI_ENABLE_MASTER_SLAVE_SWITCH, p_scb->peer_addr);
+
+ if (BTM_CMD_STARTED != BTM_SwitchRole(p_scb->peer_addr, BTM_ROLE_MASTER, NULL))
+ {
+ /* can not switch role on SCB - start the timer on SCB */
+ }
+ is_ok = FALSE;
+ p_scb->wait |= BTA_AV_WAIT_ROLE_SW_RES_START;
+
+ }
+ }
+
+ return is_ok;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_chk_mtu
+**
+** Description if this is audio channel, check if more than one audio
+** channel is connected.
+**
+** Returns The smallest mtu of the connected audio channels
+**
+*******************************************************************************/
+UINT16 bta_av_chk_mtu(tBTA_AV_SCB *p_scb, UINT16 mtu)
+{
+ UINT16 ret_mtu = BTA_AV_MAX_A2DP_MTU;
+ tBTA_AV_SCB *p_scbi;
+ int i;
+ UINT8 mask;
+ UNUSED(mtu);
+
+ /* TODO_MV mess with the mtu according to the number of EDR/non-EDR headsets */
+ if(p_scb->chnl == BTA_AV_CHNL_AUDIO)
+ {
+ if(bta_av_cb.audio_open_cnt >= 2)
+ {
+ /* more than one audio channel is connected */
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scbi = bta_av_cb.p_scb[i];
+ if((p_scb != p_scbi) && p_scbi && (p_scbi->chnl == BTA_AV_CHNL_AUDIO) )
+ {
+ mask = BTA_AV_HNDL_TO_MSK(i);
+ APPL_TRACE_DEBUG("[%d] mtu: %d, mask:0x%x",
+ i, p_scbi->stream_mtu, mask);
+ if(bta_av_cb.conn_audio & mask)
+ {
+ if(ret_mtu > p_scbi->stream_mtu)
+ ret_mtu = p_scbi->stream_mtu;
+ }
+ }
+ }
+ }
+ APPL_TRACE_DEBUG("bta_av_chk_mtu audio count:%d, conn_audio:0x%x, ret:%d",
+ bta_av_cb.audio_open_cnt, bta_av_cb.conn_audio, ret_mtu);
+ }
+ return ret_mtu;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_dup_audio_buf
+**
+** Description dup the audio data to the q_info.a2d of other audio channels
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_dup_audio_buf(tBTA_AV_SCB *p_scb, BT_HDR *p_buf)
+{
+ tBTA_AV_SCB *p_scbi;
+ int i;
+ UINT16 size, copy_size;
+ BT_HDR *p_new;
+
+ if(!p_buf)
+ return;
+
+ if(bta_av_cb.audio_open_cnt >= 2)
+ {
+ size = GKI_get_buf_size(p_buf);
+ copy_size = BT_HDR_SIZE + p_buf->len + p_buf->offset;
+ /* more than one audio channel is connected */
+ for(i=0; i<BTA_AV_NUM_STRS; i++)
+ {
+ p_scbi = bta_av_cb.p_scb[i];
+ if( (p_scb->hdi != i) && /* not the original channel */
+ (bta_av_cb.conn_audio & BTA_AV_HNDL_TO_MSK(i)) && /* connected audio */
+ p_scbi && p_scbi->co_started ) /* scb is used and started */
+ {
+ /* enqueue the data only when the stream is started */
+ p_new = (BT_HDR *)GKI_getbuf(size);
+ if(p_new)
+ {
+ memcpy(p_new, p_buf, copy_size);
+ list_append(p_scbi->a2d_list, p_new);
+ if (list_length(p_scbi->a2d_list) > p_bta_av_cfg->audio_mqs) {
+ // Drop the oldest packet
+ bta_av_co_audio_drop(p_scbi->hndl);
+ BT_HDR *p_buf = list_front(p_scbi->a2d_list);
+ list_remove(p_scbi->a2d_list, p_buf);
+ GKI_freebuf(p_buf);
+ }
+ }
+ }
+ }
+ }
+
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sm_execute
+**
+** Description State machine event handling function for AV
+**
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_sm_execute(tBTA_AV_CB *p_cb, UINT16 event, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_ST_TBL state_table;
+ UINT8 action;
+
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+ APPL_TRACE_EVENT("AV event=0x%x(%s) state=%d(%s)",
+ event, bta_av_evt_code(event), p_cb->state, bta_av_st_code(p_cb->state));
+#else
+ APPL_TRACE_EVENT("AV event=0x%x state=%d", event, p_cb->state);
+#endif
+
+ /* look up the state table for the current state */
+ state_table = bta_av_st_tbl[p_cb->state];
+
+ event &= 0x00FF;
+
+ /* set next state */
+ p_cb->state = state_table[event][BTA_AV_NEXT_STATE];
+ APPL_TRACE_EVENT("next state=%d", p_cb->state);
+
+ /* execute action functions */
+ if ((action = state_table[event][BTA_AV_ACTION_COL]) != BTA_AV_IGNORE)
+ {
+ (*bta_av_action[action])(p_cb, p_data);
+ }
+}
+
+
+/*******************************************************************************
+**
+** Function bta_av_hdl_event
+**
+** Description Advanced audio/video main event handling function.
+**
+**
+** Returns BOOLEAN
+**
+*******************************************************************************/
+BOOLEAN bta_av_hdl_event(BT_HDR *p_msg)
+{
+ UINT16 event = p_msg->event;
+ UINT16 first_event = BTA_AV_FIRST_NSM_EVT;
+
+ if (event > BTA_AV_LAST_EVT)
+ {
+ return TRUE; /* to free p_msg */
+ }
+
+ if(event >= first_event)
+ {
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+ APPL_TRACE_VERBOSE("AV nsm event=0x%x(%s)", event, bta_av_evt_code(event));
+#else
+ APPL_TRACE_VERBOSE("AV nsm event=0x%x", event);
+#endif
+ /* non state machine events */
+ (*bta_av_nsm_act[event - BTA_AV_FIRST_NSM_EVT]) ((tBTA_AV_DATA *) p_msg);
+ }
+ else if (event >= BTA_AV_FIRST_SM_EVT && event <= BTA_AV_LAST_SM_EVT)
+ {
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+ APPL_TRACE_VERBOSE("AV sm event=0x%x(%s)", event, bta_av_evt_code(event));
+#else
+ APPL_TRACE_VERBOSE("AV sm event=0x%x", event);
+#endif
+ /* state machine events */
+ bta_av_sm_execute(&bta_av_cb, p_msg->event, (tBTA_AV_DATA *) p_msg);
+ }
+ else
+ {
+ APPL_TRACE_VERBOSE("handle=0x%x", p_msg->layer_specific);
+ /* stream state machine events */
+ bta_av_ssm_execute( bta_av_hndl_to_scb(p_msg->layer_specific),
+ p_msg->event, (tBTA_AV_DATA *) p_msg);
+ }
+ return TRUE;
+}
+
+
+/*****************************************************************************
+** Debug Functions
+*****************************************************************************/
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+/*******************************************************************************
+**
+** Function bta_av_st_code
+**
+** Description
+**
+** Returns char *
+**
+*******************************************************************************/
+static char *bta_av_st_code(UINT8 state)
+{
+ switch(state)
+ {
+ case BTA_AV_INIT_ST: return "INIT";
+ case BTA_AV_OPEN_ST: return "OPEN";
+ default: return "unknown";
+ }
+}
+/*******************************************************************************
+**
+** Function bta_av_evt_code
+**
+** Description
+**
+** Returns char *
+**
+*******************************************************************************/
+char *bta_av_evt_code(UINT16 evt_code)
+{
+ switch(evt_code)
+ {
+ case BTA_AV_API_DISABLE_EVT: return "API_DISABLE";
+ case BTA_AV_API_REMOTE_CMD_EVT: return "API_REMOTE_CMD";
+ case BTA_AV_API_VENDOR_CMD_EVT: return "API_VENDOR_CMD";
+ case BTA_AV_API_VENDOR_RSP_EVT: return "API_VENDOR_RSP";
+ case BTA_AV_API_META_RSP_EVT: return "API_META_RSP_EVT";
+ case BTA_AV_API_RC_CLOSE_EVT: return "API_RC_CLOSE";
+ case BTA_AV_AVRC_OPEN_EVT: return "AVRC_OPEN";
+ case BTA_AV_AVRC_MSG_EVT: return "AVRC_MSG";
+ case BTA_AV_AVRC_NONE_EVT: return "AVRC_NONE";
+
+ case BTA_AV_API_OPEN_EVT: return "API_OPEN";
+ case BTA_AV_API_CLOSE_EVT: return "API_CLOSE";
+ case BTA_AV_AP_START_EVT: return "AP_START";
+ case BTA_AV_AP_STOP_EVT: return "AP_STOP";
+ case BTA_AV_API_RECONFIG_EVT: return "API_RECONFIG";
+ case BTA_AV_API_PROTECT_REQ_EVT: return "API_PROTECT_REQ";
+ case BTA_AV_API_PROTECT_RSP_EVT: return "API_PROTECT_RSP";
+ case BTA_AV_API_RC_OPEN_EVT: return "API_RC_OPEN";
+ case BTA_AV_SRC_DATA_READY_EVT: return "SRC_DATA_READY";
+ case BTA_AV_CI_SETCONFIG_OK_EVT: return "CI_SETCONFIG_OK";
+ case BTA_AV_CI_SETCONFIG_FAIL_EVT: return "CI_SETCONFIG_FAIL";
+ case BTA_AV_SDP_DISC_OK_EVT: return "SDP_DISC_OK";
+ case BTA_AV_SDP_DISC_FAIL_EVT: return "SDP_DISC_FAIL";
+ case BTA_AV_STR_DISC_OK_EVT: return "STR_DISC_OK";
+ case BTA_AV_STR_DISC_FAIL_EVT: return "STR_DISC_FAIL";
+ case BTA_AV_STR_GETCAP_OK_EVT: return "STR_GETCAP_OK";
+ case BTA_AV_STR_GETCAP_FAIL_EVT: return "STR_GETCAP_FAIL";
+ case BTA_AV_STR_OPEN_OK_EVT: return "STR_OPEN_OK";
+ case BTA_AV_STR_OPEN_FAIL_EVT: return "STR_OPEN_FAIL";
+ case BTA_AV_STR_START_OK_EVT: return "STR_START_OK";
+ case BTA_AV_STR_START_FAIL_EVT: return "STR_START_FAIL";
+ case BTA_AV_STR_CLOSE_EVT: return "STR_CLOSE";
+ case BTA_AV_STR_CONFIG_IND_EVT: return "STR_CONFIG_IND";
+ case BTA_AV_STR_SECURITY_IND_EVT: return "STR_SECURITY_IND";
+ case BTA_AV_STR_SECURITY_CFM_EVT: return "STR_SECURITY_CFM";
+ case BTA_AV_STR_WRITE_CFM_EVT: return "STR_WRITE_CFM";
+ case BTA_AV_STR_SUSPEND_CFM_EVT: return "STR_SUSPEND_CFM";
+ case BTA_AV_STR_RECONFIG_CFM_EVT: return "STR_RECONFIG_CFM";
+ case BTA_AV_AVRC_TIMER_EVT: return "AVRC_TIMER";
+ case BTA_AV_AVDT_CONNECT_EVT: return "AVDT_CONNECT";
+ case BTA_AV_AVDT_DISCONNECT_EVT: return "AVDT_DISCONNECT";
+ case BTA_AV_ROLE_CHANGE_EVT: return "ROLE_CHANGE";
+ case BTA_AV_AVDT_DELAY_RPT_EVT: return "AVDT_DELAY_RPT";
+ case BTA_AV_ACP_CONNECT_EVT: return "ACP_CONNECT";
+
+ case BTA_AV_API_ENABLE_EVT: return "API_ENABLE";
+ case BTA_AV_API_REGISTER_EVT: return "API_REG";
+ case BTA_AV_API_DEREGISTER_EVT: return "API_DEREG";
+ case BTA_AV_API_DISCONNECT_EVT: return "API_DISCNT";
+ case BTA_AV_CI_SRC_DATA_READY_EVT: return "CI_DATA_READY";
+ case BTA_AV_SIG_CHG_EVT: return "SIG_CHG";
+ case BTA_AV_SIG_TIMER_EVT: return "SIG_TMR";
+ case BTA_AV_SDP_AVRC_DISC_EVT: return "SDP_AVRC_DISC";
+ case BTA_AV_AVRC_CLOSE_EVT: return "AVRC_CLOSE";
+ case BTA_AV_CONN_CHG_EVT: return "CONN_CHG";
+ case BTA_AV_DEREG_COMP_EVT: return "DEREG_COMP";
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ case BTA_AV_API_SINK_ENABLE_EVT: return "SINK_ENABLE";
+#endif
+#if (AVDT_REPORTING == TRUE)
+ case BTA_AV_AVDT_RPT_CONN_EVT: return "RPT_CONN";
+#endif
+ case BTA_AV_API_START_EVT: return "API_START";
+ case BTA_AV_API_STOP_EVT: return "API_STOP";
+ default: return "unknown";
+ }
+}
+#endif
+
+#endif /* BTA_AV_INCLUDED */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This module contains utility functions for dealing with SBC data frames
+ * and codec capabilities.
+ *
+ ******************************************************************************/
+
+#include "a2d_api.h"
+#include "a2d_sbc.h"
+#include "bta_av_sbc.h"
+#include "utl.h"
+#include "bt_utils.h"
+
+typedef int (tBTA_AV_SBC_ACT)(void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret);
+
+typedef struct
+{
+ INT32 cur_pos; /* current position */
+ UINT32 src_sps; /* samples per second (source audio data) */
+ UINT32 dst_sps; /* samples per second (converted audio data) */
+ tBTA_AV_SBC_ACT *p_act; /* the action function to do the conversion */
+ UINT16 bits; /* number of bits per pcm sample */
+ UINT16 n_channels; /* number of channels (i.e. mono(1), stereo(2)...) */
+ INT16 worker1;
+ INT16 worker2;
+ UINT8 div;
+} tBTA_AV_SBC_UPS_CB;
+
+tBTA_AV_SBC_UPS_CB bta_av_sbc_ups_cb;
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_init_up_sample
+**
+** Description initialize the up sample
+**
+** src_sps: samples per second (source audio data)
+** dst_sps: samples per second (converted audio data)
+** bits: number of bits per pcm sample
+** n_channels: number of channels (i.e. mono(1), stereo(2)...)
+**
+** Returns none
+**
+*******************************************************************************/
+void bta_av_sbc_init_up_sample (UINT32 src_sps, UINT32 dst_sps, UINT16 bits, UINT16 n_channels)
+{
+ bta_av_sbc_ups_cb.cur_pos = -1;
+ bta_av_sbc_ups_cb.src_sps = src_sps;
+ bta_av_sbc_ups_cb.dst_sps = dst_sps;
+ bta_av_sbc_ups_cb.bits = bits;
+ bta_av_sbc_ups_cb.n_channels= n_channels;
+
+ if(n_channels == 1)
+ {
+ /* mono */
+ if(bits == 8)
+ {
+ bta_av_sbc_ups_cb.p_act = bta_av_sbc_up_sample_8m;
+ bta_av_sbc_ups_cb.div = 1;
+ }
+ else
+ {
+ bta_av_sbc_ups_cb.p_act = bta_av_sbc_up_sample_16m;
+ bta_av_sbc_ups_cb.div = 2;
+ }
+ }
+ else
+ {
+ /* stereo */
+ if(bits == 8)
+ {
+ bta_av_sbc_ups_cb.p_act = bta_av_sbc_up_sample_8s;
+ bta_av_sbc_ups_cb.div = 2;
+ }
+ else
+ {
+ bta_av_sbc_ups_cb.p_act = bta_av_sbc_up_sample_16s;
+ bta_av_sbc_ups_cb.div = 4;
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (number of bytes)
+** dst_samples: The size of p_dst (number of bytes)
+**
+** Note: An AE reported an issue with this function.
+** When called with bta_av_sbc_up_sample(src, uint8_array_dst..)
+** the byte before uint8_array_dst may get overwritten.
+** Using uint16_array_dst avoids the problem.
+** This issue is related to endian-ness and is hard to resolve
+** in a generic manner.
+** **************** Please use uint16 array as dst.
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+int bta_av_sbc_up_sample (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret)
+{
+ UINT32 src;
+ UINT32 dst;
+
+ if(bta_av_sbc_ups_cb.p_act)
+ {
+ src = src_samples/bta_av_sbc_ups_cb.div;
+ dst = dst_samples/bta_av_sbc_ups_cb.div;
+ return (*bta_av_sbc_ups_cb.p_act)(p_src, p_dst, src, dst, p_ret);
+ }
+ else
+ {
+ *p_ret = 0;
+ return 0;
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample_16s (16bits-stereo)
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (in uint of 4 bytes)
+** dst_samples: The size of p_dst (in uint of 4 bytes)
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+int bta_av_sbc_up_sample_16s (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret)
+{
+ INT16 *p_src_tmp = (INT16 *)p_src;
+ INT16 *p_dst_tmp = (INT16 *)p_dst;
+ INT16 *p_worker1 = &bta_av_sbc_ups_cb.worker1;
+ INT16 *p_worker2 = &bta_av_sbc_ups_cb.worker2;
+ UINT32 src_sps = bta_av_sbc_ups_cb.src_sps;
+ UINT32 dst_sps = bta_av_sbc_ups_cb.dst_sps;
+
+ while (bta_av_sbc_ups_cb.cur_pos > 0 && dst_samples)
+ {
+ *p_dst_tmp++ = *p_worker1;
+ *p_dst_tmp++ = *p_worker2;
+
+ bta_av_sbc_ups_cb.cur_pos -= src_sps;
+ dst_samples--;
+ }
+
+ bta_av_sbc_ups_cb.cur_pos = dst_sps;
+
+ while (src_samples-- && dst_samples)
+ {
+ *p_worker1 = *p_src_tmp++;
+ *p_worker2 = *p_src_tmp++;
+
+ do
+ {
+ *p_dst_tmp++ = *p_worker1;
+ *p_dst_tmp++ = *p_worker2;
+
+ bta_av_sbc_ups_cb.cur_pos -= src_sps;
+ dst_samples--;
+ } while (bta_av_sbc_ups_cb.cur_pos > 0 && dst_samples);
+
+ bta_av_sbc_ups_cb.cur_pos += dst_sps;
+ }
+
+ if (bta_av_sbc_ups_cb.cur_pos == (INT32)dst_sps)
+ bta_av_sbc_ups_cb.cur_pos = 0;
+
+ *p_ret = ((char *)p_src_tmp - (char *)p_src);
+ return ((char *)p_dst_tmp - (char *)p_dst);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample_16m (16bits-mono)
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (in uint of 2 bytes)
+** dst_samples: The size of p_dst (in uint of 2 bytes)
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+int bta_av_sbc_up_sample_16m (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret)
+{
+ INT16 *p_src_tmp = (INT16 *)p_src;
+ INT16 *p_dst_tmp = (INT16 *)p_dst;
+ INT16 *p_worker = &bta_av_sbc_ups_cb.worker1;
+ UINT32 src_sps = bta_av_sbc_ups_cb.src_sps;
+ UINT32 dst_sps = bta_av_sbc_ups_cb.dst_sps;
+
+ while (bta_av_sbc_ups_cb.cur_pos > 0 && dst_samples)
+ {
+ *p_dst_tmp++ = *p_worker;
+ *p_dst_tmp++ = *p_worker;
+
+ bta_av_sbc_ups_cb.cur_pos -= src_sps;
+ dst_samples--;
+ dst_samples--;
+ }
+
+
+ bta_av_sbc_ups_cb.cur_pos = dst_sps;
+
+ while (src_samples-- && dst_samples)
+ {
+ *p_worker = *p_src_tmp++;
+
+ do
+ {
+ *p_dst_tmp++ = *p_worker;
+ *p_dst_tmp++ = *p_worker;
+
+ bta_av_sbc_ups_cb.cur_pos -= src_sps;
+ dst_samples--;
+ dst_samples--;
+
+ } while (bta_av_sbc_ups_cb.cur_pos > 0 && dst_samples);
+
+ bta_av_sbc_ups_cb.cur_pos += dst_sps;
+ }
+
+ if (bta_av_sbc_ups_cb.cur_pos == (INT32)dst_sps)
+ bta_av_sbc_ups_cb.cur_pos = 0;
+
+ *p_ret = ((char *)p_src_tmp - (char *)p_src);
+ return ((char *)p_dst_tmp - (char *)p_dst);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample_8s (8bits-stereo)
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (in uint of 2 bytes)
+** dst_samples: The size of p_dst (in uint of 2 bytes)
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+int bta_av_sbc_up_sample_8s (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret)
+{
+ UINT8 *p_src_tmp = (UINT8 *)p_src;
+ INT16 *p_dst_tmp = (INT16 *)p_dst;
+ INT16 *p_worker1 = &bta_av_sbc_ups_cb.worker1;
+ INT16 *p_worker2 = &bta_av_sbc_ups_cb.worker2;
+ UINT32 src_sps = bta_av_sbc_ups_cb.src_sps;
+ UINT32 dst_sps = bta_av_sbc_ups_cb.dst_sps;
+
+ while (bta_av_sbc_ups_cb.cur_pos > 0 && dst_samples)
+ {
+ *p_dst_tmp++ = *p_worker1;
+ *p_dst_tmp++ = *p_worker2;
+
+ bta_av_sbc_ups_cb.cur_pos -= src_sps;
+ dst_samples--;
+ dst_samples--;
+ }
+
+ bta_av_sbc_ups_cb.cur_pos = dst_sps;
+
+ while (src_samples -- && dst_samples)
+ {
+ *p_worker1 = *(UINT8 *)p_src_tmp++;
+ *p_worker1 -= 0x80;
+ *p_worker1 <<= 8;
+ *p_worker2 = *(UINT8 *)p_src_tmp++;
+ *p_worker2 -= 0x80;
+ *p_worker2 <<= 8;
+
+ do
+ {
+ *p_dst_tmp++ = *p_worker1;
+ *p_dst_tmp++ = *p_worker2;
+
+ bta_av_sbc_ups_cb.cur_pos -= src_sps;
+ dst_samples--;
+ dst_samples--;
+ } while (bta_av_sbc_ups_cb.cur_pos > 0 && dst_samples);
+
+ bta_av_sbc_ups_cb.cur_pos += dst_sps;
+ }
+
+ if (bta_av_sbc_ups_cb.cur_pos == (INT32)dst_sps)
+ bta_av_sbc_ups_cb.cur_pos = 0;
+
+ *p_ret = ((char *)p_src_tmp - (char *)p_src);
+ return ((char *)p_dst_tmp - (char *)p_dst);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample_8m (8bits-mono)
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (number of bytes)
+** dst_samples: The size of p_dst (number of bytes)
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+int bta_av_sbc_up_sample_8m (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret)
+{
+ UINT8 *p_src_tmp = (UINT8 *)p_src;
+ INT16 *p_dst_tmp = (INT16 *)p_dst;
+ INT16 *p_worker = &bta_av_sbc_ups_cb.worker1;
+ UINT32 src_sps = bta_av_sbc_ups_cb.src_sps;
+ UINT32 dst_sps = bta_av_sbc_ups_cb.dst_sps;
+
+ while (bta_av_sbc_ups_cb.cur_pos > 0 && dst_samples)
+ {
+ *p_dst_tmp++ = *p_worker;
+ *p_dst_tmp++ = *p_worker;
+
+ bta_av_sbc_ups_cb.cur_pos -= src_sps;
+ dst_samples -= 4;
+ }
+
+
+ bta_av_sbc_ups_cb.cur_pos = dst_sps;
+
+ while (src_samples-- && dst_samples)
+ {
+ *p_worker = *(UINT8 *)p_src_tmp++;
+ *p_worker -= 0x80;
+ *p_worker <<= 8;
+
+ do
+ {
+ *p_dst_tmp++ = *p_worker;
+ *p_dst_tmp++ = *p_worker;
+
+ bta_av_sbc_ups_cb.cur_pos -= src_sps;
+ dst_samples -= 4;
+
+ } while (bta_av_sbc_ups_cb.cur_pos > 0 && dst_samples);
+
+ bta_av_sbc_ups_cb.cur_pos += dst_sps;
+ }
+
+ if (bta_av_sbc_ups_cb.cur_pos == (INT32)dst_sps)
+ bta_av_sbc_ups_cb.cur_pos = 0;
+
+ *p_ret = ((char *)p_src_tmp - (char *)p_src);
+ return ((char *)p_dst_tmp - (char *)p_dst);
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_cfg_for_cap
+**
+** Description Determine the preferred SBC codec configuration for the
+** given codec capabilities. The function is passed the
+** preferred codec configuration and the peer codec
+** capabilities for the stream. The function attempts to
+** match the preferred capabilities with the configuration
+** as best it can. The resulting codec configuration is
+** returned in the same memory used for the capabilities.
+**
+** Returns 0 if ok, nonzero if error.
+** Codec configuration in p_cap.
+**
+*******************************************************************************/
+UINT8 bta_av_sbc_cfg_for_cap(UINT8 *p_peer, tA2D_SBC_CIE *p_cap, tA2D_SBC_CIE *p_pref)
+{
+ UINT8 status = A2D_SUCCESS;
+ tA2D_SBC_CIE peer_cie;
+ UNUSED(p_cap);
+
+ /* parse peer capabilities */
+ if ((status = A2D_ParsSbcInfo(&peer_cie, p_peer, TRUE)) != 0)
+ {
+ return status;
+ }
+
+ /* Check if the peer supports our channel mode */
+ if (peer_cie.ch_mode & p_pref->ch_mode)
+ {
+ peer_cie.ch_mode = p_pref->ch_mode;
+ }
+ else
+ {
+ APPL_TRACE_ERROR("bta_av_sbc_cfg_for_cap: ch_mode(0x%02X) not supported", p_pref->ch_mode);
+ return A2D_FAIL;
+ }
+
+ /* Check if the peer supports our sampling freq */
+ if (peer_cie.samp_freq & p_pref->samp_freq)
+ {
+ peer_cie.samp_freq = p_pref->samp_freq;
+ }
+ else
+ {
+ APPL_TRACE_ERROR("bta_av_sbc_cfg_for_cap: samp_freq(0x%02X) not supported", p_pref->samp_freq);
+ return A2D_FAIL;
+ }
+
+ /* Check if the peer supports our block len */
+ if (peer_cie.block_len & p_pref->block_len)
+ {
+ peer_cie.block_len = p_pref->block_len;
+ }
+ else
+ {
+ APPL_TRACE_ERROR("bta_av_sbc_cfg_for_cap: block_len(0x%02X) not supported", p_pref->block_len);
+ return A2D_FAIL;
+ }
+
+ /* Check if the peer supports our num subbands */
+ if (peer_cie.num_subbands & p_pref->num_subbands)
+ {
+ peer_cie.num_subbands = p_pref->num_subbands;
+ }
+ else
+ {
+ APPL_TRACE_ERROR("bta_av_sbc_cfg_for_cap: num_subbands(0x%02X) not supported", p_pref->num_subbands);
+ return A2D_FAIL;
+ }
+
+ /* Check if the peer supports our alloc method */
+ if (peer_cie.alloc_mthd & p_pref->alloc_mthd)
+ {
+ peer_cie.alloc_mthd = p_pref->alloc_mthd;
+ }
+ else
+ {
+ APPL_TRACE_ERROR("bta_av_sbc_cfg_for_cap: alloc_mthd(0x%02X) not supported", p_pref->alloc_mthd);
+ return A2D_FAIL;
+ }
+
+ /* max bitpool */
+ if (p_pref->max_bitpool != 0 && p_pref->max_bitpool < peer_cie.max_bitpool)
+ {
+ peer_cie.max_bitpool = p_pref->max_bitpool;
+ }
+
+ /* min bitpool */
+ if (p_pref->min_bitpool != 0 && p_pref->min_bitpool > peer_cie.min_bitpool)
+ {
+ peer_cie.min_bitpool = p_pref->min_bitpool;
+ }
+
+ if (status == A2D_SUCCESS)
+ {
+ /* build configuration */
+ A2D_BldSbcInfo(A2D_MEDIA_TYPE_AUDIO, &peer_cie, p_peer);
+ }
+ return status;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_cfg_matches_cap
+**
+** Description This function checks whether an SBC codec configuration
+** matched with capabilities. Here we check subset.
+**
+** Returns 0 if ok, nonzero if error.
+**
+*******************************************************************************/
+UINT8 bta_av_sbc_cfg_matches_cap(UINT8 *p_cfg, tA2D_SBC_CIE *p_cap)
+{
+ UINT8 status = 0;
+ tA2D_SBC_CIE cfg_cie;
+
+ /* parse configuration */
+ if ((status = A2D_ParsSbcInfo(&cfg_cie, p_cfg, TRUE)) != 0)
+ {
+ APPL_TRACE_ERROR(" bta_av_sbc_cfg_matches_cap Parsing Failed %d", status);
+ return status;
+ }
+
+ /* verify that each parameter is in range */
+
+ APPL_TRACE_DEBUG(" FREQ peer: 0%x, capability 0%x", cfg_cie.samp_freq, p_cap->samp_freq);
+ APPL_TRACE_DEBUG(" CH_MODE peer: 0%x, capability 0%x", cfg_cie.ch_mode, p_cap->ch_mode);
+ APPL_TRACE_DEBUG(" BLOCK_LEN peer: 0%x, capability 0%x", cfg_cie.block_len, p_cap->block_len);
+ APPL_TRACE_DEBUG(" SUB_BAND peer: 0%x, capability 0%x", cfg_cie.num_subbands, p_cap->num_subbands);
+ APPL_TRACE_DEBUG(" ALLOC_MTHD peer: 0%x, capability 0%x", cfg_cie.alloc_mthd, p_cap->alloc_mthd);
+ APPL_TRACE_DEBUG(" MAX_BitPool peer: 0%x, capability 0%x", cfg_cie.max_bitpool, p_cap->max_bitpool);
+ APPL_TRACE_DEBUG(" Min_bitpool peer: 0%x, capability 0%x", cfg_cie.min_bitpool, p_cap->min_bitpool);
+
+ /* sampling frequency */
+ if ((cfg_cie.samp_freq & p_cap->samp_freq) == 0)
+ {
+ status = A2D_NS_SAMP_FREQ;
+ }
+ /* channel mode */
+ else if ((cfg_cie.ch_mode & p_cap->ch_mode) == 0)
+ {
+ status = A2D_NS_CH_MODE;
+ }
+ /* block length */
+ else if ((cfg_cie.block_len & p_cap->block_len) == 0)
+ {
+ status = A2D_BAD_BLOCK_LEN;
+ }
+ /* subbands */
+ else if ((cfg_cie.num_subbands & p_cap->num_subbands) == 0)
+ {
+ status = A2D_NS_SUBBANDS;
+ }
+ /* allocation method */
+ else if ((cfg_cie.alloc_mthd & p_cap->alloc_mthd) == 0)
+ {
+ status = A2D_NS_ALLOC_MTHD;
+ }
+ /* max bitpool */
+ else if (cfg_cie.max_bitpool > p_cap->max_bitpool)
+ {
+ status = A2D_NS_MAX_BITPOOL;
+ }
+ /* min bitpool */
+ else if (cfg_cie.min_bitpool < p_cap->min_bitpool)
+ {
+ status = A2D_NS_MIN_BITPOOL;
+ }
+
+ return status;
+}
+
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_cfg_in_cap
+**
+** Description This function checks whether an SBC codec configuration
+** is allowable for the given codec capabilities.
+**
+** Returns 0 if ok, nonzero if error.
+**
+*******************************************************************************/
+UINT8 bta_av_sbc_cfg_in_cap(UINT8 *p_cfg, tA2D_SBC_CIE *p_cap)
+{
+ UINT8 status = 0;
+ tA2D_SBC_CIE cfg_cie;
+
+ /* parse configuration */
+ if ((status = A2D_ParsSbcInfo(&cfg_cie, p_cfg, FALSE)) != 0)
+ {
+ return status;
+ }
+
+ /* verify that each parameter is in range */
+
+
+ /* sampling frequency */
+ if ((cfg_cie.samp_freq & p_cap->samp_freq) == 0)
+ {
+ status = A2D_NS_SAMP_FREQ;
+ }
+ /* channel mode */
+ else if ((cfg_cie.ch_mode & p_cap->ch_mode) == 0)
+ {
+ status = A2D_NS_CH_MODE;
+ }
+ /* block length */
+ else if ((cfg_cie.block_len & p_cap->block_len) == 0)
+ {
+ status = A2D_BAD_BLOCK_LEN;
+ }
+ /* subbands */
+ else if ((cfg_cie.num_subbands & p_cap->num_subbands) == 0)
+ {
+ status = A2D_NS_SUBBANDS;
+ }
+ /* allocation method */
+ else if ((cfg_cie.alloc_mthd & p_cap->alloc_mthd) == 0)
+ {
+ status = A2D_NS_ALLOC_MTHD;
+ }
+ /* max bitpool */
+ else if (cfg_cie.max_bitpool > p_cap->max_bitpool)
+ {
+ status = A2D_NS_MAX_BITPOOL;
+ }
+ /* min bitpool */
+ else if (cfg_cie.min_bitpool < p_cap->min_bitpool)
+ {
+ status = A2D_NS_MIN_BITPOOL;
+ }
+
+ return status;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_bld_hdr
+**
+** Description This function builds the packet header for MPF1.
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_sbc_bld_hdr(BT_HDR *p_buf, UINT16 fr_per_pkt)
+{
+ UINT8 *p;
+
+ p_buf->offset -= BTA_AV_SBC_HDR_SIZE;
+ p = (UINT8 *) (p_buf + 1) + p_buf->offset;
+ p_buf->len += BTA_AV_SBC_HDR_SIZE;
+ A2D_BldSbcMplHdr(p, FALSE, FALSE, FALSE, (UINT8) fr_per_pkt);
+}
+
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the stream state machine for the BTA advanced audio/video.
+ *
+ ******************************************************************************/
+
+#include "bt_target.h"
+#if defined(BTA_AV_INCLUDED) && (BTA_AV_INCLUDED == TRUE)
+
+#include <string.h>
+#include "bta_av_co.h"
+#include "bta_av_int.h"
+
+/*****************************************************************************
+** Constants and types
+*****************************************************************************/
+
+/* state machine states */
+enum
+{
+ BTA_AV_INIT_SST,
+ BTA_AV_INCOMING_SST,
+ BTA_AV_OPENING_SST,
+ BTA_AV_OPEN_SST,
+ BTA_AV_RCFG_SST,
+ BTA_AV_CLOSING_SST
+};
+
+
+/* state machine action enumeration list */
+enum
+{
+ BTA_AV_DO_DISC,
+ BTA_AV_CLEANUP,
+ BTA_AV_FREE_SDB,
+ BTA_AV_CONFIG_IND,
+ BTA_AV_DISCONNECT_REQ,
+ BTA_AV_SECURITY_REQ,
+ BTA_AV_SECURITY_RSP,
+ BTA_AV_SETCONFIG_RSP,
+ BTA_AV_ST_RC_TIMER,
+ BTA_AV_STR_OPENED,
+ BTA_AV_SECURITY_IND,
+ BTA_AV_SECURITY_CFM,
+ BTA_AV_DO_CLOSE,
+ BTA_AV_CONNECT_REQ,
+ BTA_AV_SDP_FAILED,
+ BTA_AV_DISC_RESULTS,
+ BTA_AV_DISC_RES_AS_ACP,
+ BTA_AV_OPEN_FAILED,
+ BTA_AV_GETCAP_RESULTS,
+ BTA_AV_SETCONFIG_REJ,
+ BTA_AV_DISCOVER_REQ,
+ BTA_AV_CONN_FAILED,
+ BTA_AV_DO_START,
+ BTA_AV_STR_STOPPED,
+ BTA_AV_RECONFIG,
+ BTA_AV_DATA_PATH,
+ BTA_AV_START_OK,
+ BTA_AV_START_FAILED,
+ BTA_AV_STR_CLOSED,
+ BTA_AV_CLR_CONG,
+ BTA_AV_SUSPEND_CFM,
+ BTA_AV_RCFG_STR_OK,
+ BTA_AV_RCFG_FAILED,
+ BTA_AV_RCFG_CONNECT,
+ BTA_AV_RCFG_DISCNTD,
+ BTA_AV_SUSPEND_CONT,
+ BTA_AV_RCFG_CFM,
+ BTA_AV_RCFG_OPEN,
+ BTA_AV_SECURITY_REJ,
+ BTA_AV_OPEN_RC,
+ BTA_AV_CHK_2ND_START,
+ BTA_AV_SAVE_CAPS,
+ BTA_AV_SET_USE_RC,
+ BTA_AV_CCO_CLOSE,
+ BTA_AV_SWITCH_ROLE,
+ BTA_AV_ROLE_RES,
+ BTA_AV_DELAY_CO,
+ BTA_AV_OPEN_AT_INC,
+ BTA_AV_NUM_SACTIONS
+};
+
+#define BTA_AV_SIGNORE BTA_AV_NUM_SACTIONS
+
+
+/* state table information */
+/* #define BTA_AV_SACTION_COL 0 position of actions */
+#define BTA_AV_SACTIONS 2 /* number of actions */
+#define BTA_AV_SNEXT_STATE 2 /* position of next state */
+#define BTA_AV_NUM_COLS 3 /* number of columns in state tables */
+
+/* state table for init state */
+static const UINT8 bta_av_sst_init[][BTA_AV_NUM_COLS] =
+{
+/* Event Action 1 Action 2 Next state */
+/* AP_OPEN_EVT */ {BTA_AV_DO_DISC, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* AP_CLOSE_EVT */ {BTA_AV_CLEANUP, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* API_PROTECT_REQ_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* API_PROTECT_RSP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_DISC_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_GETCAP_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_OPEN_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_CLOSE_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_SECURITY_IND_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_SECURITY_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* AVDT_DISCONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* AVDT_DELAY_RPT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }
+};
+
+/* state table for incoming state */
+static const UINT8 bta_av_sst_incoming[][BTA_AV_NUM_COLS] =
+{
+/* Event Action 1 Action 2 Next state */
+/* AP_OPEN_EVT */ {BTA_AV_OPEN_AT_INC, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* AP_CLOSE_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_DISCONNECT_REQ, BTA_AV_CLOSING_SST },
+/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SETCONFIG_RSP, BTA_AV_ST_RC_TIMER, BTA_AV_INCOMING_SST },
+/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_CLEANUP, BTA_AV_INIT_SST },
+/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_DISC_OK_EVT */ {BTA_AV_DISC_RES_AS_ACP,BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_GETCAP_OK_EVT */ {BTA_AV_SAVE_CAPS, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_OPEN_OK_EVT */ {BTA_AV_STR_OPENED, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_CLOSE_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_CLEANUP, BTA_AV_INIT_SST },
+/* STR_CONFIG_IND_EVT */ {BTA_AV_CONFIG_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_SECURITY_CFM_EVT */ {BTA_AV_SECURITY_CFM, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* AVDT_DISCONNECT_EVT */ {BTA_AV_CCO_CLOSE, BTA_AV_CLEANUP, BTA_AV_INIT_SST },
+/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST }
+};
+
+/* state table for opening state */
+static const UINT8 bta_av_sst_opening[][BTA_AV_NUM_COLS] =
+{
+/* Event Action 1 Action 2 Next state */
+/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* AP_CLOSE_EVT */ {BTA_AV_DO_CLOSE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* SDP_DISC_OK_EVT */ {BTA_AV_CONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* SDP_DISC_FAIL_EVT */ {BTA_AV_CONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_DISC_OK_EVT */ {BTA_AV_DISC_RESULTS, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_DISC_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_GETCAP_OK_EVT */ {BTA_AV_GETCAP_RESULTS, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_GETCAP_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_OPEN_OK_EVT */ {BTA_AV_ST_RC_TIMER, BTA_AV_STR_OPENED, BTA_AV_OPEN_SST },
+/* STR_OPEN_FAIL_EVT */ {BTA_AV_OPEN_FAILED, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_CLOSE_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_CONFIG_IND_EVT */ {BTA_AV_CONFIG_IND, BTA_AV_SIGNORE, BTA_AV_INCOMING_SST },
+/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_IND, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_SECURITY_CFM_EVT */ {BTA_AV_SECURITY_CFM, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* AVRC_TIMER_EVT */ {BTA_AV_SWITCH_ROLE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* AVDT_CONNECT_EVT */ {BTA_AV_DISCOVER_REQ, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* AVDT_DISCONNECT_EVT */ {BTA_AV_CONN_FAILED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* ROLE_CHANGE_EVT*/ {BTA_AV_ROLE_RES, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_OPENING_SST },
+/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPENING_SST }
+};
+
+/* state table for open state */
+static const UINT8 bta_av_sst_open[][BTA_AV_NUM_COLS] =
+{
+/* Event Action 1 Action 2 Next state */
+/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* AP_CLOSE_EVT */ {BTA_AV_DO_CLOSE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AP_START_EVT */ {BTA_AV_DO_START, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* AP_STOP_EVT */ {BTA_AV_STR_STOPPED, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* API_RECONFIG_EVT */ {BTA_AV_RECONFIG, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* API_PROTECT_REQ_EVT */ {BTA_AV_SECURITY_REQ, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* API_PROTECT_RSP_EVT */ {BTA_AV_SECURITY_RSP, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* API_RC_OPEN_EVT */ {BTA_AV_SET_USE_RC, BTA_AV_OPEN_RC, BTA_AV_OPEN_SST },
+/* SRC_DATA_READY_EVT */ {BTA_AV_DATA_PATH, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_DISC_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_GETCAP_OK_EVT */ {BTA_AV_SAVE_CAPS, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_OPEN_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_OPEN_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_START_OK_EVT */ {BTA_AV_START_OK, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_START_FAIL_EVT */ {BTA_AV_START_FAILED, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_CLOSE_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_IND, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_SECURITY_CFM_EVT */ {BTA_AV_SECURITY_CFM, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_WRITE_CFM_EVT */ {BTA_AV_CLR_CONG, BTA_AV_DATA_PATH, BTA_AV_OPEN_SST },
+/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SUSPEND_CFM, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* AVRC_TIMER_EVT */ {BTA_AV_OPEN_RC, BTA_AV_CHK_2ND_START, BTA_AV_OPEN_SST },
+/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* AVDT_DISCONNECT_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* ROLE_CHANGE_EVT*/ {BTA_AV_ROLE_RES, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_OPEN_SST }
+};
+
+/* state table for reconfig state */
+static const UINT8 bta_av_sst_rcfg[][BTA_AV_NUM_COLS] =
+{
+/* Event Action 1 Action 2 Next state */
+/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* AP_CLOSE_EVT */ {BTA_AV_DISCONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* API_PROTECT_REQ_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* API_PROTECT_RSP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* SDP_DISC_OK_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* SDP_DISC_FAIL_EVT */ {BTA_AV_FREE_SDB, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_DISC_OK_EVT */ {BTA_AV_DISC_RESULTS, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_DISC_FAIL_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_GETCAP_OK_EVT */ {BTA_AV_GETCAP_RESULTS, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_GETCAP_FAIL_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_OPEN_OK_EVT */ {BTA_AV_RCFG_STR_OK, BTA_AV_SIGNORE, BTA_AV_OPEN_SST },
+/* STR_OPEN_FAIL_EVT */ {BTA_AV_RCFG_FAILED, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_CLOSE_EVT */ {BTA_AV_RCFG_CONNECT, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_SECURITY_IND_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_SECURITY_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SUSPEND_CONT, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* STR_RECONFIG_CFM_EVT */ {BTA_AV_RCFG_CFM, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* AVDT_CONNECT_EVT */ {BTA_AV_RCFG_OPEN, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* AVDT_DISCONNECT_EVT */ {BTA_AV_RCFG_DISCNTD, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* AVDT_DELAY_RPT_EVT */ {BTA_AV_DELAY_CO, BTA_AV_SIGNORE, BTA_AV_RCFG_SST },
+/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_RCFG_SST }
+};
+
+/* state table for closing state */
+static const UINT8 bta_av_sst_closing[][BTA_AV_NUM_COLS] =
+{
+/* Event Action 1 Action 2 Next state */
+/* AP_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AP_CLOSE_EVT */ {BTA_AV_DISCONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AP_START_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AP_STOP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* API_RECONFIG_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* API_PROTECT_REQ_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* API_PROTECT_RSP_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* API_RC_OPEN_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* SRC_DATA_READY_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* CI_SETCONFIG_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* CI_SETCONFIG_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* SDP_DISC_OK_EVT */ {BTA_AV_SDP_FAILED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* SDP_DISC_FAIL_EVT */ {BTA_AV_SDP_FAILED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* STR_DISC_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_DISC_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_GETCAP_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_GETCAP_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_OPEN_OK_EVT */ {BTA_AV_DO_CLOSE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_OPEN_FAIL_EVT */ {BTA_AV_DISCONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_START_OK_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_START_FAIL_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_CLOSE_EVT */ {BTA_AV_DISCONNECT_REQ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_CONFIG_IND_EVT */ {BTA_AV_SETCONFIG_REJ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_SECURITY_IND_EVT */ {BTA_AV_SECURITY_REJ, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_SECURITY_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_WRITE_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_SUSPEND_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* STR_RECONFIG_CFM_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AVRC_TIMER_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AVDT_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AVDT_DISCONNECT_EVT */ {BTA_AV_STR_CLOSED, BTA_AV_SIGNORE, BTA_AV_INIT_SST },
+/* ROLE_CHANGE_EVT*/ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* AVDT_DELAY_RPT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST },
+/* ACP_CONNECT_EVT */ {BTA_AV_SIGNORE, BTA_AV_SIGNORE, BTA_AV_CLOSING_SST }
+};
+
+/* type for state table */
+typedef const UINT8 (*tBTA_AV_SST_TBL)[BTA_AV_NUM_COLS];
+
+/* state table */
+static const tBTA_AV_SST_TBL bta_av_sst_tbl[] =
+{
+ bta_av_sst_init,
+ bta_av_sst_incoming,
+ bta_av_sst_opening,
+ bta_av_sst_open,
+ bta_av_sst_rcfg,
+ bta_av_sst_closing
+};
+
+
+
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+static char *bta_av_sst_code(UINT8 state);
+#endif
+
+/*******************************************************************************
+**
+** Function bta_av_is_rcfg_sst
+**
+** Description Check if stream state machine is in reconfig state.
+**
+**
+** Returns TRUE if stream state machine is in reconfig state.
+**
+*******************************************************************************/
+BOOLEAN bta_av_is_rcfg_sst (tBTA_AV_SCB *p_scb)
+{
+ BOOLEAN is_rcfg_sst = FALSE;
+
+ if (p_scb != NULL)
+ {
+ if (p_scb->state == BTA_AV_RCFG_SST)
+ is_rcfg_sst = TRUE;
+ }
+
+ return is_rcfg_sst;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_ssm_execute
+**
+** Description Stream state machine event handling function for AV
+**
+**
+** Returns void
+**
+*******************************************************************************/
+void bta_av_ssm_execute(tBTA_AV_SCB *p_scb, UINT16 event, tBTA_AV_DATA *p_data)
+{
+ tBTA_AV_SST_TBL state_table;
+ UINT8 action;
+ int i, xx;
+
+ if(p_scb == NULL)
+ {
+ /* this stream is not registered */
+ APPL_TRACE_EVENT("AV channel not registered");
+ return;
+ }
+
+ /* In case incoming connection is for VDP, we need to swap scb. */
+ /* When ACP_CONNECT_EVT was received, we put first available scb to */
+ /* to Incoming state. Later, when STR_CONFIG_IND_EVT is coming, we */
+ /* know if it is A2DP or VDP. */
+ if ((p_scb->state == BTA_AV_INIT_SST) && (event == BTA_AV_STR_CONFIG_IND_EVT))
+ {
+ for (xx = 0; xx < BTA_AV_NUM_STRS; xx++)
+ {
+ if (bta_av_cb.p_scb[xx])
+ {
+ if (bta_av_cb.p_scb[xx]->state == BTA_AV_INCOMING_SST)
+ {
+ bta_av_cb.p_scb[xx]->state = BTA_AV_INIT_SST;
+ bta_av_cb.p_scb[xx]->coll_mask = 0;
+ p_scb->state = BTA_AV_INCOMING_SST;
+ break;
+ }
+ }
+ }
+ }
+
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+ APPL_TRACE_VERBOSE("AV Sevent(0x%x)=0x%x(%s) state=%d(%s)",
+ p_scb->hndl, event, bta_av_evt_code(event), p_scb->state, bta_av_sst_code(p_scb->state));
+#else
+ APPL_TRACE_VERBOSE("AV Sevent=0x%x state=%d", event, p_scb->state);
+#endif
+
+ /* look up the state table for the current state */
+ state_table = bta_av_sst_tbl[p_scb->state];
+
+ event -= BTA_AV_FIRST_SSM_EVT;
+
+ /* set next state */
+ p_scb->state = state_table[event][BTA_AV_SNEXT_STATE];
+
+ /* execute action functions */
+ for(i=0; i< BTA_AV_SACTIONS; i++)
+ {
+ if ((action = state_table[event][i]) != BTA_AV_SIGNORE)
+ {
+ (*p_scb->p_act_tbl[action])(p_scb, p_data);
+ }
+ else
+ break;
+ }
+
+}
+
+/*******************************************************************************
+**
+** Function bta_av_is_scb_opening
+**
+** Description Returns TRUE is scb is in opening state.
+**
+**
+** Returns TRUE if scb is in opening state.
+**
+*******************************************************************************/
+BOOLEAN bta_av_is_scb_opening (tBTA_AV_SCB *p_scb)
+{
+ BOOLEAN is_opening = FALSE;
+
+ if (p_scb)
+ {
+ if (p_scb->state == BTA_AV_OPENING_SST)
+ is_opening = TRUE;
+ }
+
+ return is_opening;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_is_scb_incoming
+**
+** Description Returns TRUE is scb is in incoming state.
+**
+**
+** Returns TRUE if scb is in incoming state.
+**
+*******************************************************************************/
+BOOLEAN bta_av_is_scb_incoming (tBTA_AV_SCB *p_scb)
+{
+ BOOLEAN is_incoming = FALSE;
+
+ if (p_scb)
+ {
+ if (p_scb->state == BTA_AV_INCOMING_SST)
+ is_incoming = TRUE;
+ }
+
+ return is_incoming;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_set_scb_sst_init
+**
+** Description Set SST state to INIT.
+** Use this function to change SST outside of state machine.
+**
+** Returns None
+**
+*******************************************************************************/
+void bta_av_set_scb_sst_init (tBTA_AV_SCB *p_scb)
+{
+ if (p_scb)
+ {
+ p_scb->state = BTA_AV_INIT_SST;
+ }
+}
+
+/*******************************************************************************
+**
+** Function bta_av_is_scb_init
+**
+** Description Returns TRUE is scb is in init state.
+**
+**
+** Returns TRUE if scb is in incoming state.
+**
+*******************************************************************************/
+BOOLEAN bta_av_is_scb_init (tBTA_AV_SCB *p_scb)
+{
+ BOOLEAN is_init = FALSE;
+
+ if (p_scb)
+ {
+ if (p_scb->state == BTA_AV_INIT_SST)
+ is_init = TRUE;
+ }
+
+ return is_init;
+}
+
+/*******************************************************************************
+**
+** Function bta_av_set_scb_sst_incoming
+**
+** Description Set SST state to incoming.
+** Use this function to change SST outside of state machine.
+**
+** Returns None
+**
+*******************************************************************************/
+void bta_av_set_scb_sst_incoming (tBTA_AV_SCB *p_scb)
+{
+ if (p_scb)
+ {
+ p_scb->state = BTA_AV_INCOMING_SST;
+ }
+}
+
+/*****************************************************************************
+** Debug Functions
+*****************************************************************************/
+#if (defined(BTA_AV_DEBUG) && BTA_AV_DEBUG == TRUE)
+/*******************************************************************************
+**
+** Function bta_av_sst_code
+**
+** Description
+**
+** Returns char *
+**
+*******************************************************************************/
+static char *bta_av_sst_code(UINT8 state)
+{
+ switch(state)
+ {
+ case BTA_AV_INIT_SST: return "INIT";
+ case BTA_AV_INCOMING_SST: return "INCOMING";
+ case BTA_AV_OPENING_SST: return "OPENING";
+ case BTA_AV_OPEN_SST: return "OPEN";
+ case BTA_AV_RCFG_SST: return "RCFG";
+ case BTA_AV_CLOSING_SST: return "CLOSING";
+ default: return "unknown";
+ }
+}
+
+#endif
+#endif /* BTA_AV_INCLUDED */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the public interface file for the simulatenous advanced
+ * audio/video streaming (AV) source and sink of BTA, Broadcom's Bluetooth
+ * application layer for mobile phones.
+ *
+ ******************************************************************************/
+#ifndef BTA_AR_API_H
+#define BTA_AR_API_H
+
+#include "avdt_api.h"
+#include "avct_api.h"
+#include "avrc_api.h"
+#include "sdp_api.h"
+#include "bta_av_api.h"
+#include "bta_sys.h"
+
+/*****************************************************************************
+** Constants and data types
+*****************************************************************************/
+/* This event signal to AR user that other profile is connected */
+#define BTA_AR_AVDT_CONN_EVT (AVDT_MAX_EVT + 1)
+
+/*******************************************************************************
+**
+** Function bta_ar_init
+**
+** Description This function is called from bta_sys_init().
+** to initialize the control block
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_ar_init(void);
+
+/*******************************************************************************
+**
+** Function bta_ar_reg_avdt
+**
+** Description This function is called to register to AVDTP.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_ar_reg_avdt(tAVDT_REG *p_reg, tAVDT_CTRL_CBACK *p_cback, tBTA_SYS_ID sys_id);
+
+/*******************************************************************************
+**
+** Function bta_ar_dereg_avdt
+**
+** Description This function is called to de-register from AVDTP.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_ar_dereg_avdt(tBTA_SYS_ID sys_id);
+
+/*******************************************************************************
+**
+** Function bta_ar_avdt_conn
+**
+** Description This function is called to let ar know that some AVDTP profile
+** is connected for this sys_id.
+** If the other sys modules started a timer for PENDING_EVT,
+** the timer can be stopped now.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_ar_avdt_conn(tBTA_SYS_ID sys_id, BD_ADDR bd_addr);
+
+/*******************************************************************************
+**
+** Function bta_ar_reg_avct
+**
+** Description This function is called to register to AVCTP.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_ar_reg_avct(UINT16 mtu, UINT16 mtu_br, UINT8 sec_mask, tBTA_SYS_ID sys_id);
+
+/*******************************************************************************
+**
+** Function bta_ar_dereg_avct
+**
+** Description This function is called to deregister from AVCTP.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_ar_dereg_avct(tBTA_SYS_ID sys_id);
+
+/******************************************************************************
+**
+** Function bta_ar_reg_avrc
+**
+** Description This function is called to register an SDP record for AVRCP.
+**
+** Returns void
+**
+******************************************************************************/
+extern void bta_ar_reg_avrc(UINT16 service_uuid, char *p_service_name,
+ char *p_provider_name, UINT16 categories, tBTA_SYS_ID sys_id);
+
+/******************************************************************************
+**
+** Function bta_ar_dereg_avrc
+**
+** Description This function is called to de-register/delete an SDP record for AVRCP.
+**
+** Returns void
+**
+******************************************************************************/
+extern void bta_ar_dereg_avrc(UINT16 service_uuid, tBTA_SYS_ID sys_id);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BTA_AR_API_H */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the public interface file for the advanced audio/video streaming
+ * (AV) subsystem of BTA, Broadcom's Bluetooth application layer for mobile
+ * phones.
+ *
+ ******************************************************************************/
+#ifndef BTA_AV_API_H
+#define BTA_AV_API_H
+
+#include "avrc_api.h"
+#include "avdt_api.h"
+#include "a2d_api.h"
+#include "bta_api.h"
+
+/*****************************************************************************
+** Constants and data types
+*****************************************************************************/
+/* Set to TRUE if seperate authorization prompt desired for AVCTP besides A2DP authorization */
+/* Typically FALSE when AVRCP is used in conjunction with A2DP */
+#ifndef BTA_AV_WITH_AVCTP_AUTHORIZATION
+#define BTA_AV_WITH_AVCTP_AUTHORIZATION FALSE
+#endif
+
+/* AV status values */
+#define BTA_AV_SUCCESS 0 /* successful operation */
+#define BTA_AV_FAIL 1 /* generic failure */
+#define BTA_AV_FAIL_SDP 2 /* service not found */
+#define BTA_AV_FAIL_STREAM 3 /* stream connection failed */
+#define BTA_AV_FAIL_RESOURCES 4 /* no resources */
+#define BTA_AV_FAIL_ROLE 5 /* failed due to role management related issues */
+#define BTA_AV_FAIL_GET_CAP 6 /* get capability failed due to no SEP availale on the peer */
+
+typedef UINT8 tBTA_AV_STATUS;
+
+/* AV features masks */
+#define BTA_AV_FEAT_RCTG 0x0001 /* remote control target */
+#define BTA_AV_FEAT_RCCT 0x0002 /* remote control controller */
+#define BTA_AV_FEAT_PROTECT 0x0004 /* streaming media contect protection */
+#define BTA_AV_FEAT_VENDOR 0x0008 /* remote control vendor dependent commands */
+#define BTA_AV_FEAT_REPORT 0x0020 /* use reporting service for VDP */
+#define BTA_AV_FEAT_METADATA 0x0040 /* remote control Metadata Transfer command/response */
+#define BTA_AV_FEAT_MULTI_AV 0x0080 /* use multi-av, if controller supports it */
+#define BTA_AV_FEAT_BROWSE 0x0010 /* use browsing channel */
+#define BTA_AV_FEAT_MASTER 0x0100 /* stream only as master role */
+#define BTA_AV_FEAT_ADV_CTRL 0x0200 /* remote control Advanced Control command/response */
+#define BTA_AV_FEAT_DELAY_RPT 0x0400 /* allow delay reporting */
+#define BTA_AV_FEAT_ACP_START 0x0800 /* start stream when 2nd SNK was accepted */
+
+/* Internal features */
+#define BTA_AV_FEAT_NO_SCO_SSPD 0x8000 /* Do not suspend av streaming as to AG events(SCO or Call) */
+
+typedef UINT16 tBTA_AV_FEAT;
+
+/* AV channel values */
+#define BTA_AV_CHNL_MSK 0xC0
+#define BTA_AV_CHNL_AUDIO 0x40 /* audio channel */
+#define BTA_AV_CHNL_VIDEO 0x80 /* video channel */
+typedef UINT8 tBTA_AV_CHNL;
+
+
+#define BTA_AV_HNDL_MSK 0x3F
+typedef UINT8 tBTA_AV_HNDL;
+/* handle index to mask */
+#define BTA_AV_HNDL_TO_MSK(h) ((UINT8)(1 << (h)))
+
+/* tBTA_AV_HNDL to mask */
+#define BTA_AV_HNDL_TYPE_TO_MSK(h) ((UINT8)(1 << (h&BTA_AV_HNDL_MSK)))
+
+/* offset of codec type in codec info byte array */
+#define BTA_AV_CODEC_TYPE_IDX AVDT_CODEC_TYPE_INDEX /* 2 */
+
+
+
+/* maximum number of streams created: 1 for audio, 1 for video */
+#ifndef BTA_AV_NUM_STRS
+#define BTA_AV_NUM_STRS 2
+#endif
+
+#ifndef BTA_AV_MAX_SEPS
+#define BTA_AV_MAX_SEPS 2
+#endif
+
+#ifndef BTA_AV_MAX_A2DP_MTU
+ /*#define BTA_AV_MAX_A2DP_MTU 668 //224 (DM5) * 3 - 4(L2CAP header) */
+#define BTA_AV_MAX_A2DP_MTU 1008
+#endif
+
+#ifndef BTA_AV_MAX_VDP_MTU
+#define BTA_AV_MAX_VDP_MTU 1008
+#endif
+
+
+/* codec type */
+#define BTA_AV_CODEC_SBC A2D_MEDIA_CT_SBC /* SBC media codec type */
+#define BTA_AV_CODEC_M12 A2D_MEDIA_CT_M12 /* MPEG-1, 2 Audio media codec type */
+#define BTA_AV_CODEC_M24 A2D_MEDIA_CT_M24 /* MPEG-2, 4 AAC media codec type */
+#define BTA_AV_CODEC_ATRAC A2D_MEDIA_CT_ATRAC /* ATRAC family media codec type */
+#define BTA_AV_CODEC_H263_P0 VDP_MEDIA_CT_H263_P0 /* H.263 baseline (profile 0) */
+#define BTA_AV_CODEC_MPEG4 VDP_MEDIA_CT_MPEG4 /* MPEG-4 Visual Simple Profile */
+#define BTA_AV_CODEC_H263_P3 VDP_MEDIA_CT_H263_P3 /* H.263 profile 3 */
+#define BTA_AV_CODEC_H263_P8 VDP_MEDIA_CT_H263_P8 /* H.263 profile 8 */
+#define BTA_AV_CODEC_VEND VDP_MEDIA_CT_VEND /* Non-VDP */
+
+typedef UINT8 tBTA_AV_CODEC;
+
+/* Company ID in BT assigned numbers */
+#define BTA_AV_BT_VENDOR_ID VDP_BT_VENDOR_ID /* Broadcom Corporation */
+
+/* vendor specific codec ID */
+#define BTA_AV_CODEC_ID_H264 VDP_CODEC_ID_H264 /* Non-VDP codec ID - H.264 */
+#define BTA_AV_CODEC_ID_IMG VDP_CODEC_ID_IMG /* Non-VDP codec ID - images/slideshow */
+
+/* operation id list for BTA_AvRemoteCmd */
+#define BTA_AV_RC_SELECT AVRC_ID_SELECT /* select */
+#define BTA_AV_RC_UP AVRC_ID_UP /* up */
+#define BTA_AV_RC_DOWN AVRC_ID_DOWN /* down */
+#define BTA_AV_RC_LEFT AVRC_ID_LEFT /* left */
+#define BTA_AV_RC_RIGHT AVRC_ID_RIGHT /* right */
+#define BTA_AV_RC_RIGHT_UP AVRC_ID_RIGHT_UP /* right-up */
+#define BTA_AV_RC_RIGHT_DOWN AVRC_ID_RIGHT_DOWN /* right-down */
+#define BTA_AV_RC_LEFT_UP AVRC_ID_LEFT_UP /* left-up */
+#define BTA_AV_RC_LEFT_DOWN AVRC_ID_LEFT_DOWN /* left-down */
+#define BTA_AV_RC_ROOT_MENU AVRC_ID_ROOT_MENU /* root menu */
+#define BTA_AV_RC_SETUP_MENU AVRC_ID_SETUP_MENU /* setup menu */
+#define BTA_AV_RC_CONT_MENU AVRC_ID_CONT_MENU /* contents menu */
+#define BTA_AV_RC_FAV_MENU AVRC_ID_FAV_MENU /* favorite menu */
+#define BTA_AV_RC_EXIT AVRC_ID_EXIT /* exit */
+#define BTA_AV_RC_0 AVRC_ID_0 /* 0 */
+#define BTA_AV_RC_1 AVRC_ID_1 /* 1 */
+#define BTA_AV_RC_2 AVRC_ID_2 /* 2 */
+#define BTA_AV_RC_3 AVRC_ID_3 /* 3 */
+#define BTA_AV_RC_4 AVRC_ID_4 /* 4 */
+#define BTA_AV_RC_5 AVRC_ID_5 /* 5 */
+#define BTA_AV_RC_6 AVRC_ID_6 /* 6 */
+#define BTA_AV_RC_7 AVRC_ID_7 /* 7 */
+#define BTA_AV_RC_8 AVRC_ID_8 /* 8 */
+#define BTA_AV_RC_9 AVRC_ID_9 /* 9 */
+#define BTA_AV_RC_DOT AVRC_ID_DOT /* dot */
+#define BTA_AV_RC_ENTER AVRC_ID_ENTER /* enter */
+#define BTA_AV_RC_CLEAR AVRC_ID_CLEAR /* clear */
+#define BTA_AV_RC_CHAN_UP AVRC_ID_CHAN_UP /* channel up */
+#define BTA_AV_RC_CHAN_DOWN AVRC_ID_CHAN_DOWN /* channel down */
+#define BTA_AV_RC_PREV_CHAN AVRC_ID_PREV_CHAN /* previous channel */
+#define BTA_AV_RC_SOUND_SEL AVRC_ID_SOUND_SEL /* sound select */
+#define BTA_AV_RC_INPUT_SEL AVRC_ID_INPUT_SEL /* input select */
+#define BTA_AV_RC_DISP_INFO AVRC_ID_DISP_INFO /* display information */
+#define BTA_AV_RC_HELP AVRC_ID_HELP /* help */
+#define BTA_AV_RC_PAGE_UP AVRC_ID_PAGE_UP /* page up */
+#define BTA_AV_RC_PAGE_DOWN AVRC_ID_PAGE_DOWN /* page down */
+#define BTA_AV_RC_POWER AVRC_ID_POWER /* power */
+#define BTA_AV_RC_VOL_UP AVRC_ID_VOL_UP /* volume up */
+#define BTA_AV_RC_VOL_DOWN AVRC_ID_VOL_DOWN /* volume down */
+#define BTA_AV_RC_MUTE AVRC_ID_MUTE /* mute */
+#define BTA_AV_RC_PLAY AVRC_ID_PLAY /* play */
+#define BTA_AV_RC_STOP AVRC_ID_STOP /* stop */
+#define BTA_AV_RC_PAUSE AVRC_ID_PAUSE /* pause */
+#define BTA_AV_RC_RECORD AVRC_ID_RECORD /* record */
+#define BTA_AV_RC_REWIND AVRC_ID_REWIND /* rewind */
+#define BTA_AV_RC_FAST_FOR AVRC_ID_FAST_FOR /* fast forward */
+#define BTA_AV_RC_EJECT AVRC_ID_EJECT /* eject */
+#define BTA_AV_RC_FORWARD AVRC_ID_FORWARD /* forward */
+#define BTA_AV_RC_BACKWARD AVRC_ID_BACKWARD /* backward */
+#define BTA_AV_RC_ANGLE AVRC_ID_ANGLE /* angle */
+#define BTA_AV_RC_SUBPICT AVRC_ID_SUBPICT /* subpicture */
+#define BTA_AV_RC_F1 AVRC_ID_F1 /* F1 */
+#define BTA_AV_RC_F2 AVRC_ID_F2 /* F2 */
+#define BTA_AV_RC_F3 AVRC_ID_F3 /* F3 */
+#define BTA_AV_RC_F4 AVRC_ID_F4 /* F4 */
+#define BTA_AV_RC_F5 AVRC_ID_F5 /* F5 */
+#define BTA_AV_VENDOR AVRC_ID_VENDOR /* vendor unique */
+
+typedef UINT8 tBTA_AV_RC;
+
+/* state flag for pass through command */
+#define BTA_AV_STATE_PRESS AVRC_STATE_PRESS /* key pressed */
+#define BTA_AV_STATE_RELEASE AVRC_STATE_RELEASE /* key released */
+
+typedef UINT8 tBTA_AV_STATE;
+
+/* command codes for BTA_AvVendorCmd */
+#define BTA_AV_CMD_CTRL AVRC_CMD_CTRL
+#define BTA_AV_CMD_STATUS AVRC_CMD_STATUS
+#define BTA_AV_CMD_SPEC_INQ AVRC_CMD_SPEC_INQ
+#define BTA_AV_CMD_NOTIF AVRC_CMD_NOTIF
+#define BTA_AV_CMD_GEN_INQ AVRC_CMD_GEN_INQ
+
+typedef UINT8 tBTA_AV_CMD;
+
+/* response codes for BTA_AvVendorRsp */
+#define BTA_AV_RSP_NOT_IMPL AVRC_RSP_NOT_IMPL
+#define BTA_AV_RSP_ACCEPT AVRC_RSP_ACCEPT
+#define BTA_AV_RSP_REJ AVRC_RSP_REJ
+#define BTA_AV_RSP_IN_TRANS AVRC_RSP_IN_TRANS
+#define BTA_AV_RSP_IMPL_STBL AVRC_RSP_IMPL_STBL
+#define BTA_AV_RSP_CHANGED AVRC_RSP_CHANGED
+#define BTA_AV_RSP_INTERIM AVRC_RSP_INTERIM
+
+typedef UINT8 tBTA_AV_CODE;
+
+/* error codes for BTA_AvProtectRsp */
+#define BTA_AV_ERR_NONE A2D_SUCCESS /* Success, no error */
+#define BTA_AV_ERR_BAD_STATE AVDT_ERR_BAD_STATE /* Message cannot be processed in this state */
+#define BTA_AV_ERR_RESOURCE AVDT_ERR_RESOURCE /* Insufficient resources */
+#define BTA_AV_ERR_BAD_CP_TYPE A2D_BAD_CP_TYPE /* The requested Content Protection Type is not supported */
+#define BTA_AV_ERR_BAD_CP_FORMAT A2D_BAD_CP_FORMAT /* The format of Content Protection Data is not correct */
+
+typedef UINT8 tBTA_AV_ERR;
+
+
+/* AV callback events */
+#define BTA_AV_ENABLE_EVT 0 /* AV enabled */
+#define BTA_AV_REGISTER_EVT 1 /* registered to AVDT */
+#define BTA_AV_OPEN_EVT 2 /* connection opened */
+#define BTA_AV_CLOSE_EVT 3 /* connection closed */
+#define BTA_AV_START_EVT 4 /* stream data transfer started */
+#define BTA_AV_STOP_EVT 5 /* stream data transfer stopped */
+#define BTA_AV_PROTECT_REQ_EVT 6 /* content protection request */
+#define BTA_AV_PROTECT_RSP_EVT 7 /* content protection response */
+#define BTA_AV_RC_OPEN_EVT 8 /* remote control channel open */
+#define BTA_AV_RC_CLOSE_EVT 9 /* remote control channel closed */
+#define BTA_AV_REMOTE_CMD_EVT 10 /* remote control command */
+#define BTA_AV_REMOTE_RSP_EVT 11 /* remote control response */
+#define BTA_AV_VENDOR_CMD_EVT 12 /* vendor dependent remote control command */
+#define BTA_AV_VENDOR_RSP_EVT 13 /* vendor dependent remote control response */
+#define BTA_AV_RECONFIG_EVT 14 /* reconfigure response */
+#define BTA_AV_SUSPEND_EVT 15 /* suspend response */
+#define BTA_AV_PENDING_EVT 16 /* incoming connection pending:
+ * signal channel is open and stream is not open
+ * after BTA_AV_SIG_TIME_VAL ms */
+#define BTA_AV_META_MSG_EVT 17 /* metadata messages */
+#define BTA_AV_REJECT_EVT 18 /* incoming connection rejected */
+#define BTA_AV_RC_FEAT_EVT 19 /* remote control channel peer supported features update */
+#define BTA_AV_MEDIA_SINK_CFG_EVT 20 /* command to configure codec */
+#define BTA_AV_MEDIA_DATA_EVT 21 /* sending data to Media Task */
+/* Max BTA event */
+#define BTA_AV_MAX_EVT 22
+
+
+typedef UINT8 tBTA_AV_EVT;
+
+/* Event associated with BTA_AV_ENABLE_EVT */
+typedef struct
+{
+ tBTA_AV_FEAT features;
+} tBTA_AV_ENABLE;
+
+/* Event associated with BTA_AV_REGISTER_EVT */
+typedef struct
+{
+ tBTA_AV_CHNL chnl; /* audio/video */
+ tBTA_AV_HNDL hndl; /* Handle associated with the stream. */
+ UINT8 app_id; /* ID associated with call to BTA_AvRegister() */
+ tBTA_AV_STATUS status;
+} tBTA_AV_REGISTER;
+
+/* data associated with BTA_AV_OPEN_EVT */
+#define BTA_AV_EDR_2MBPS 0x01
+#define BTA_AV_EDR_3MBPS 0x02
+typedef UINT8 tBTA_AV_EDR;
+
+typedef struct
+{
+ tBTA_AV_CHNL chnl;
+ tBTA_AV_HNDL hndl;
+ BD_ADDR bd_addr;
+ tBTA_AV_STATUS status;
+ BOOLEAN starting;
+ tBTA_AV_EDR edr; /* 0, if peer device does not support EDR */
+ UINT8 sep; /* sep type of peer device */
+} tBTA_AV_OPEN;
+
+/* data associated with BTA_AV_CLOSE_EVT */
+typedef struct
+{
+ tBTA_AV_CHNL chnl;
+ tBTA_AV_HNDL hndl;
+} tBTA_AV_CLOSE;
+
+/* data associated with BTA_AV_START_EVT */
+typedef struct
+{
+ tBTA_AV_CHNL chnl;
+ tBTA_AV_HNDL hndl;
+ tBTA_AV_STATUS status;
+ BOOLEAN initiator; /* TRUE, if local device initiates the START */
+ BOOLEAN suspending;
+} tBTA_AV_START;
+
+/* data associated with BTA_AV_SUSPEND_EVT */
+typedef struct
+{
+ tBTA_AV_CHNL chnl;
+ tBTA_AV_HNDL hndl;
+ BOOLEAN initiator; /* TRUE, if local device initiates the SUSPEND */
+ tBTA_AV_STATUS status;
+} tBTA_AV_SUSPEND;
+
+/* data associated with BTA_AV_RECONFIG_EVT */
+typedef struct
+{
+ tBTA_AV_CHNL chnl;
+ tBTA_AV_HNDL hndl;
+ tBTA_AV_STATUS status;
+} tBTA_AV_RECONFIG;
+
+/* data associated with BTA_AV_PROTECT_REQ_EVT */
+typedef struct
+{
+ tBTA_AV_CHNL chnl;
+ tBTA_AV_HNDL hndl;
+ UINT8 *p_data;
+ UINT16 len;
+} tBTA_AV_PROTECT_REQ;
+
+/* data associated with BTA_AV_PROTECT_RSP_EVT */
+typedef struct
+{
+ tBTA_AV_CHNL chnl;
+ tBTA_AV_HNDL hndl;
+ UINT8 *p_data;
+ UINT16 len;
+ tBTA_AV_ERR err_code;
+} tBTA_AV_PROTECT_RSP;
+
+/* data associated with BTA_AV_RC_OPEN_EVT */
+typedef struct
+{
+ UINT8 rc_handle;
+ tBTA_AV_FEAT peer_features;
+ BD_ADDR peer_addr;
+ tBTA_AV_STATUS status;
+} tBTA_AV_RC_OPEN;
+
+/* data associated with BTA_AV_RC_CLOSE_EVT */
+typedef struct
+{
+ UINT8 rc_handle;
+ BD_ADDR peer_addr;
+} tBTA_AV_RC_CLOSE;
+
+/* data associated with BTA_AV_RC_FEAT_EVT */
+typedef struct
+{
+ UINT8 rc_handle;
+ tBTA_AV_FEAT peer_features;
+} tBTA_AV_RC_FEAT;
+
+/* data associated with BTA_AV_REMOTE_CMD_EVT */
+typedef struct
+{
+ UINT8 rc_handle;
+ tBTA_AV_RC rc_id;
+ tBTA_AV_STATE key_state;
+ UINT8 len;
+ UINT8 *p_data;
+ tAVRC_HDR hdr; /* Message header. */
+ UINT8 label;
+} tBTA_AV_REMOTE_CMD;
+
+/* data associated with BTA_AV_REMOTE_RSP_EVT */
+typedef struct
+{
+ UINT8 rc_handle;
+ tBTA_AV_RC rc_id;
+ tBTA_AV_STATE key_state;
+ UINT8 len;
+ UINT8 *p_data;
+ tBTA_AV_CODE rsp_code;
+ UINT8 label;
+} tBTA_AV_REMOTE_RSP;
+
+/* data associated with BTA_AV_VENDOR_CMD_EVT, BTA_AV_VENDOR_RSP_EVT */
+typedef struct
+{
+ UINT8 rc_handle;
+ UINT16 len; /* Max vendor dependent message is 512 */
+ UINT8 label;
+ tBTA_AV_CODE code;
+ UINT32 company_id;
+ UINT8 *p_data;
+} tBTA_AV_VENDOR;
+
+/* data associated with BTA_AV_META_MSG_EVT */
+typedef struct
+{
+ UINT8 rc_handle;
+ UINT16 len;
+ UINT8 label;
+ tBTA_AV_CODE code;
+ UINT32 company_id;
+ UINT8 *p_data;
+ tAVRC_MSG *p_msg;
+} tBTA_AV_META_MSG;
+
+/* data associated with BTA_AV_PENDING_EVT */
+typedef struct
+{
+ BD_ADDR bd_addr;
+} tBTA_AV_PEND;
+
+/* data associated with BTA_AV_REJECT_EVT */
+typedef struct
+{
+ BD_ADDR bd_addr;
+ tBTA_AV_HNDL hndl; /* Handle associated with the stream that rejected the connection. */
+} tBTA_AV_REJECT;
+
+
+/* union of data associated with AV callback */
+typedef union
+{
+ tBTA_AV_CHNL chnl;
+ tBTA_AV_ENABLE enable;
+ tBTA_AV_REGISTER registr;
+ tBTA_AV_OPEN open;
+ tBTA_AV_CLOSE close;
+ tBTA_AV_START start;
+ tBTA_AV_PROTECT_REQ protect_req;
+ tBTA_AV_PROTECT_RSP protect_rsp;
+ tBTA_AV_RC_OPEN rc_open;
+ tBTA_AV_RC_CLOSE rc_close;
+ tBTA_AV_REMOTE_CMD remote_cmd;
+ tBTA_AV_REMOTE_RSP remote_rsp;
+ tBTA_AV_VENDOR vendor_cmd;
+ tBTA_AV_VENDOR vendor_rsp;
+ tBTA_AV_RECONFIG reconfig;
+ tBTA_AV_SUSPEND suspend;
+ tBTA_AV_PEND pend;
+ tBTA_AV_META_MSG meta_msg;
+ tBTA_AV_REJECT reject;
+ tBTA_AV_RC_FEAT rc_feat;
+} tBTA_AV;
+
+/* union of data associated with AV Media callback */
+typedef union
+{
+ BT_HDR *p_data;
+ UINT8 *codec_info;
+} tBTA_AV_MEDIA;
+
+
+#define BTA_AVC_PACKET_LEN AVRC_PACKET_LEN
+#define BTA_VENDOR_DATA_OFFSET 6
+#define BTA_VENDOR_HEADER_LEN 4
+#define BTA_MAX_VENDOR_DEPENDENT_DATA_LEN (BTA_AVC_PACKET_LEN-BTA_VENDOR_DATA_OFFSET-BTA_VENDOR_HEADER_LEN)
+#define BTA_GROUP_NAVI_MSG_OP_DATA_LEN 5
+
+#define BTA_ERROR_INVALID_CMD AVRC_STS_BAD_CMD
+#define BTA_ERROR_INVALID_PARAM AVRC_STS_BAD_PARAM
+#define BTA_ERROR_BAD_CONTENTS AVRC_STS_NOT_FOUND
+#define BTA_ERROR_INTERNAL AVRC_STS_INTERNAL_ERR
+
+#define BTA_AV_META_SINGLE_PACKET AVRC_PKT_SINGLE
+
+#define BTA_AV_CO_METADATA AVRC_CO_METADATA
+
+/* AV callback */
+typedef void (tBTA_AV_CBACK)(tBTA_AV_EVT event, tBTA_AV *p_data);
+typedef void (tBTA_AV_DATA_CBACK)(tBTA_AV_EVT event, tBTA_AV_MEDIA *p_data);
+
+/* type for stream state machine action functions */
+typedef void (*tBTA_AV_ACT)(void *p_cb, void *p_data);
+
+/* type for registering VDP */
+typedef void (tBTA_AV_REG) (tAVDT_CS *p_cs, char *p_service_name, void *p_data);
+
+/* AV configuration structure */
+typedef struct
+{
+ UINT32 company_id; /* AVRCP Company ID */
+ UINT16 avrc_mtu; /* AVRCP MTU at L2CAP for control channel */
+ UINT16 avrc_br_mtu; /* AVRCP MTU at L2CAP for browsing channel */
+ UINT16 avrc_ct_cat; /* AVRCP controller categories */
+ UINT16 avrc_tg_cat; /* AVRCP target categories */
+ UINT16 sig_mtu; /* AVDTP signaling channel MTU at L2CAP */
+ UINT16 audio_mtu; /* AVDTP audio transport channel MTU at L2CAP */
+ const UINT16 *p_audio_flush_to;/* AVDTP audio transport channel flush timeout */
+ UINT16 audio_mqs; /* AVDTP audio channel max data queue size */
+ UINT16 video_mtu; /* AVDTP video transport channel MTU at L2CAP */
+ UINT16 video_flush_to; /* AVDTP video transport channel flush timeout */
+ BOOLEAN avrc_group; /* TRUE, to accept AVRC 1.3 group nevigation command */
+ UINT8 num_co_ids; /* company id count in p_meta_co_ids */
+ UINT8 num_evt_ids; /* event id count in p_meta_evt_ids */
+ tBTA_AV_CODE rc_pass_rsp; /* the default response code for pass through commands */
+ const UINT32 *p_meta_co_ids;/* the metadata Get Capabilities response for company id */
+ const UINT8 *p_meta_evt_ids;/* the the metadata Get Capabilities response for event id */
+ const tBTA_AV_ACT *p_act_tbl;/* the action function table for VDP stream */
+ tBTA_AV_REG *p_reg; /* action function to register VDP */
+ char avrc_controller_name[BTA_SERVICE_NAME_LEN]; /* Default AVRCP controller name */
+ char avrc_target_name[BTA_SERVICE_NAME_LEN]; /* Default AVRCP target name*/
+} tBTA_AV_CFG;
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/*****************************************************************************
+** External Function Declarations
+*****************************************************************************/
+
+/*******************************************************************************
+**
+** Function BTA_AvEnable
+**
+** Description Enable the advanced audio/video service. When the enable
+** operation is complete the callback function will be
+** called with a BTA_AV_ENABLE_EVT. This function must
+** be called before other function in the AV API are
+** called.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvEnable(tBTA_SEC sec_mask, tBTA_AV_FEAT features,
+ tBTA_AV_CBACK *p_cback);
+
+/*******************************************************************************
+**
+** Function BTA_AvDisable
+**
+** Description Disable the advanced audio/video service.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvDisable(void);
+
+/*******************************************************************************
+**
+** Function BTA_AvRegister
+**
+** Description Register the audio or video service to stack. When the
+** operation is complete the callback function will be
+** called with a BTA_AV_REGISTER_EVT. This function must
+** be called before AVDT stream is open.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvRegister(tBTA_AV_CHNL chnl, const char *p_service_name,
+ UINT8 app_id, tBTA_AV_DATA_CBACK *p_data_cback);
+
+/*******************************************************************************
+**
+** Function BTA_AvDeregister
+**
+** Description Deregister the audio or video service
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvDeregister(tBTA_AV_HNDL hndl);
+
+/*******************************************************************************
+**
+** Function BTA_AvOpen
+**
+** Description Opens an advanced audio/video connection to a peer device.
+** When connection is open callback function is called
+** with a BTA_AV_OPEN_EVT.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvOpen(BD_ADDR bd_addr, tBTA_AV_HNDL handle,
+ BOOLEAN use_rc, tBTA_SEC sec_mask, UINT16 uuid);
+
+/*******************************************************************************
+**
+** Function BTA_AvClose
+**
+** Description Close the current streams.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvClose(tBTA_AV_HNDL handle);
+
+/*******************************************************************************
+**
+** Function BTA_AvDisconnect
+**
+** Description Close the connection to the address.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvDisconnect(BD_ADDR bd_addr);
+
+/*******************************************************************************
+**
+** Function BTA_AvEnable_Sink
+**
+** Description Enable/Disable A2DP Sink.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvEnable_Sink(int enable);
+
+/*******************************************************************************
+**
+** Function BTA_AvStart
+**
+** Description Start audio/video stream data transfer.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvStart(void);
+
+/*******************************************************************************
+**
+** Function BTA_AvStop
+**
+** Description Stop audio/video stream data transfer.
+** If suspend is TRUE, this function sends AVDT suspend signal
+** to the connected peer(s).
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvStop(BOOLEAN suspend);
+
+/*******************************************************************************
+**
+** Function BTA_AvReconfig
+**
+** Description Reconfigure the audio/video stream.
+** If suspend is TRUE, this function tries the suspend/reconfigure
+** procedure first.
+** If suspend is FALSE or when suspend/reconfigure fails,
+** this function closes and re-opens the AVDT connection.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvReconfig(tBTA_AV_HNDL hndl, BOOLEAN suspend, UINT8 sep_info_idx,
+ UINT8 *p_codec_info, UINT8 num_protect, UINT8 *p_protect_info);
+
+/*******************************************************************************
+**
+** Function BTA_AvProtectReq
+**
+** Description Send a content protection request. This function can only
+** be used if AV is enabled with feature BTA_AV_FEAT_PROTECT.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvProtectReq(tBTA_AV_HNDL hndl, UINT8 *p_data, UINT16 len);
+
+/*******************************************************************************
+**
+** Function BTA_AvProtectRsp
+**
+** Description Send a content protection response. This function must
+** be called if a BTA_AV_PROTECT_REQ_EVT is received.
+** This function can only be used if AV is enabled with
+** feature BTA_AV_FEAT_PROTECT.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvProtectRsp(tBTA_AV_HNDL hndl, UINT8 error_code, UINT8 *p_data,
+ UINT16 len);
+
+/*******************************************************************************
+**
+** Function BTA_AvRemoteCmd
+**
+** Description Send a remote control command. This function can only
+** be used if AV is enabled with feature BTA_AV_FEAT_RCCT.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvRemoteCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_RC rc_id,
+ tBTA_AV_STATE key_state);
+
+/*******************************************************************************
+**
+** Function BTA_AvVendorCmd
+**
+** Description Send a vendor dependent remote control command. This
+** function can only be used if AV is enabled with feature
+** BTA_AV_FEAT_VENDOR.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvVendorCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE cmd_code,
+ UINT8 *p_data, UINT16 len);
+
+/*******************************************************************************
+**
+** Function BTA_AvVendorRsp
+**
+** Description Send a vendor dependent remote control response.
+** This function must be called if a BTA_AV_VENDOR_CMD_EVT
+** is received. This function can only be used if AV is
+** enabled with feature BTA_AV_FEAT_VENDOR.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvVendorRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code,
+ UINT8 *p_data, UINT16 len, UINT32 company_id);
+
+
+/*******************************************************************************
+**
+** Function BTA_AvOpenRc
+**
+** Description Open an AVRCP connection toward the device with the
+** specified handle
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvOpenRc(tBTA_AV_HNDL handle);
+
+/*******************************************************************************
+**
+** Function BTA_AvCloseRc
+**
+** Description Close an AVRCP connection
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvCloseRc(UINT8 rc_handle);
+
+/*******************************************************************************
+**
+** Function BTA_AvMetaRsp
+**
+** Description Send a Metadata command/response. The message contained
+** in p_pkt can be composed with AVRC utility functions.
+** This function can only be used if AV is enabled with feature
+** BTA_AV_FEAT_METADATA.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvMetaRsp(UINT8 rc_handle, UINT8 label, tBTA_AV_CODE rsp_code,
+ BT_HDR *p_pkt);
+
+/*******************************************************************************
+**
+** Function BTA_AvMetaCmd
+**
+** Description Send a Metadata/Advanced Control command. The message contained
+** in p_pkt can be composed with AVRC utility functions.
+** This function can only be used if AV is enabled with feature
+** BTA_AV_FEAT_METADATA.
+** This message is sent only when the peer supports the TG role.
+*8 The only command makes sense right now is the absolute volume command.
+**
+** Returns void
+**
+*******************************************************************************/
+void BTA_AvMetaCmd(UINT8 rc_handle, UINT8 label, tBTA_AV_CMD cmd_code, BT_HDR *p_pkt);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BTA_AV_API_H */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2005-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the interface file for advanced audio/video call-in functions.
+ *
+ ******************************************************************************/
+#ifndef BTA_AV_CI_H
+#define BTA_AV_CI_H
+
+#include "bta_av_api.h"
+
+/*****************************************************************************
+** Function Declarations
+*****************************************************************************/
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/*******************************************************************************
+**
+** Function bta_av_ci_src_data_ready
+**
+** Description This function sends an event to the AV indicating that
+** the phone has audio stream data ready to send and AV
+** should call bta_av_co_audio_src_data_path() or
+** bta_av_co_video_src_data_path().
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_ci_src_data_ready(tBTA_AV_CHNL chnl);
+
+/*******************************************************************************
+**
+** Function bta_av_ci_setconfig
+**
+** Description This function must be called in response to function
+** bta_av_co_audio_setconfig() or bta_av_co_video_setconfig.
+** Parameter err_code is set to an AVDTP status value;
+** AVDT_SUCCESS if the codec configuration is ok,
+** otherwise error.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_ci_setconfig(tBTA_AV_HNDL hndl, UINT8 err_code,
+ UINT8 category, UINT8 num_seid, UINT8 *p_seid,
+ BOOLEAN recfg_needed, UINT8 avdt_handle);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BTA_AV_CI_H */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2003-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the interface file for advanced audio/video call-out functions.
+ *
+ ******************************************************************************/
+#ifndef BTA_AV_CO_H
+#define BTA_AV_CO_H
+
+#include "l2c_api.h"
+#include "bta_av_api.h"
+
+/*****************************************************************************
+** Constants and data types
+*****************************************************************************/
+
+/* TRUE to use SCMS-T content protection */
+#ifndef BTA_AV_CO_CP_SCMS_T
+#define BTA_AV_CO_CP_SCMS_T FALSE
+#endif
+
+/* the content protection IDs assigned by BT SIG */
+#define BTA_AV_CP_SCMS_T_ID 0x0002
+#define BTA_AV_CP_DTCP_ID 0x0001
+
+#define BTA_AV_CP_LOSC 2
+#define BTA_AV_CP_INFO_LEN 3
+
+#define BTA_AV_CP_SCMS_COPY_MASK 3
+#define BTA_AV_CP_SCMS_COPY_FREE 2
+#define BTA_AV_CP_SCMS_COPY_ONCE 1
+#define BTA_AV_CP_SCMS_COPY_NEVER 0
+
+#define BTA_AV_CO_DEFAULT_AUDIO_OFFSET AVDT_MEDIA_OFFSET
+
+enum
+{
+ BTA_AV_CO_ST_INIT,
+ BTA_AV_CO_ST_IN,
+ BTA_AV_CO_ST_OUT,
+ BTA_AV_CO_ST_OPEN,
+ BTA_AV_CO_ST_STREAM
+};
+
+
+/* data type for the Audio Codec Information*/
+typedef struct
+{
+ UINT16 bit_rate; /* SBC encoder bit rate in kbps */
+ UINT16 bit_rate_busy; /* SBC encoder bit rate in kbps */
+ UINT16 bit_rate_swampd;/* SBC encoder bit rate in kbps */
+ UINT8 busy_level; /* Busy level indicating the bit-rate to be used */
+ UINT8 codec_info[AVDT_CODEC_SIZE];
+ UINT8 codec_type; /* Codec type */
+} tBTA_AV_AUDIO_CODEC_INFO;
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_init
+**
+** Description This callout function is executed by AV when it is
+** started by calling BTA_AvEnable(). This function can be
+** used by the phone to initialize audio paths or for other
+** initialization purposes.
+**
+**
+** Returns Stream codec and content protection capabilities info.
+**
+*******************************************************************************/
+extern BOOLEAN bta_av_co_audio_init(UINT8 *p_codec_type, UINT8 *p_codec_info,
+ UINT8 *p_num_protect, UINT8 *p_protect_info, UINT8 index);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_disc_res
+**
+** Description This callout function is executed by AV to report the
+** number of stream end points (SEP) were found during the
+** AVDT stream discovery process.
+**
+**
+** Returns void.
+**
+*******************************************************************************/
+extern void bta_av_co_audio_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps,
+ UINT8 num_snk, UINT8 num_src, BD_ADDR addr, UINT16 uuid_local);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_disc_res
+**
+** Description This callout function is executed by AV to report the
+** number of stream end points (SEP) were found during the
+** AVDT stream discovery process.
+**
+**
+** Returns void.
+**
+*******************************************************************************/
+extern void bta_av_co_video_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps,
+ UINT8 num_snk, BD_ADDR addr);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_getconfig
+**
+** Description This callout function is executed by AV to retrieve the
+** desired codec and content protection configuration for the
+** audio stream.
+**
+**
+** Returns Stream codec and content protection configuration info.
+**
+*******************************************************************************/
+extern UINT8 bta_av_co_audio_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
+ UINT8 *p_num_protect, UINT8 *p_protect_info);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_getconfig
+**
+** Description This callout function is executed by AV to retrieve the
+** desired codec and content protection configuration for the
+** video stream.
+**
+**
+** Returns Stream codec and content protection configuration info.
+**
+*******************************************************************************/
+extern UINT8 bta_av_co_video_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
+ UINT8 *p_num_protect, UINT8 *p_protect_info);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_setconfig
+**
+** Description This callout function is executed by AV to set the
+** codec and content protection configuration of the audio stream.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_audio_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
+ UINT8 num_protect, UINT8 *p_protect_info,UINT8 t_local_sep, UINT8 avdt_handle);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_setconfig
+**
+** Description This callout function is executed by AV to set the
+** codec and content protection configuration of the video stream.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_video_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
+ UINT8 num_protect, UINT8 *p_protect_info);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_open
+**
+** Description This function is called by AV when the audio stream connection
+** is opened.
+** BTA-AV maintains the MTU of A2DP streams.
+** If this is the 2nd audio stream, mtu is the smaller of the 2
+** streams.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_audio_open(tBTA_AV_HNDL hndl,
+ tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
+ UINT16 mtu);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_open
+**
+** Description This function is called by AV when the video stream connection
+** is opened.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_video_open(tBTA_AV_HNDL hndl,
+ tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
+ UINT16 mtu);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_close
+**
+** Description This function is called by AV when the audio stream connection
+** is closed.
+** BTA-AV maintains the MTU of A2DP streams.
+** When one stream is closed and no other audio stream is open,
+** mtu is reported as 0.
+** Otherwise, the MTU remains open is reported.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_audio_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT16 mtu);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_close
+**
+** Description This function is called by AV when the video stream connection
+** is closed.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_video_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT16 mtu);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_start
+**
+** Description This function is called by AV when the audio streaming data
+** transfer is started.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_audio_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_start
+**
+** Description This function is called by AV when the video streaming data
+** transfer is started.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_video_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_stop
+**
+** Description This function is called by AV when the audio streaming data
+** transfer is stopped.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_audio_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_stop
+**
+** Description This function is called by AV when the video streaming data
+** transfer is stopped.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_video_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_src_data_path
+**
+** Description This function is called to get the next data buffer from
+** the audio codec
+**
+** Returns NULL if data is not ready.
+** Otherwise, a GKI buffer (BT_HDR*) containing the audio data.
+**
+*******************************************************************************/
+extern void * bta_av_co_audio_src_data_path(tBTA_AV_CODEC codec_type,
+ UINT32 *p_len, UINT32 *p_timestamp);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_src_data_path
+**
+** Description This function is called to get the next data buffer from
+** the video codec.
+**
+** Returns NULL if data is not ready.
+** Otherwise, a video data buffer (UINT8*).
+**
+*******************************************************************************/
+extern void * bta_av_co_video_src_data_path(tBTA_AV_CODEC codec_type,
+ UINT32 *p_len, UINT32 *p_timestamp);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_drop
+**
+** Description An Audio packet is dropped. .
+** It's very likely that the connected headset with this handle
+** is moved far away. The implementation may want to reduce
+** the encoder bit rate setting to reduce the packet size.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_audio_drop(tBTA_AV_HNDL hndl);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_report_conn
+**
+** Description This function is called by AV when the reporting channel is
+** opened (open=TRUE) or closed (open=FALSE).
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_video_report_conn (BOOLEAN open, UINT8 avdt_handle);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_report_rr
+**
+** Description This function is called by AV when a Receiver Report is
+** received
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_video_report_rr (UINT32 packet_lost);
+
+/*******************************************************************************
+**
+** Function bta_av_co_audio_delay
+**
+** Description This function is called by AV when the audio stream connection
+** needs to send the initial delay report to the connected SRC.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_audio_delay(tBTA_AV_HNDL hndl, UINT16 delay);
+
+/*******************************************************************************
+**
+** Function bta_av_co_video_delay
+**
+** Description This function is called by AV when the video stream connection
+** needs to send the initial delay report to the connected SRC.
+**
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_co_video_delay(tBTA_AV_HNDL hndl, UINT16 delay);
+
+#endif /* BTA_AV_CO_H */
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the interface to utility functions for dealing with SBC data
+ * frames and codec capabilities.
+ *
+ ******************************************************************************/
+#ifndef BTA_AV_SBC_H
+#define BTA_AV_SBC_H
+
+/*****************************************************************************
+** constants
+*****************************************************************************/
+
+/* SBC packet header size */
+#define BTA_AV_SBC_HDR_SIZE A2D_SBC_MPL_HDR_LEN
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_init_up_sample
+**
+** Description initialize the up sample
+**
+** src_sps: samples per second (source audio data)
+** dst_sps: samples per second (converted audio data)
+** bits: number of bits per pcm sample
+** n_channels: number of channels (i.e. mono(1), stereo(2)...)
+**
+** Returns none
+**
+*******************************************************************************/
+extern void bta_av_sbc_init_up_sample (UINT32 src_sps, UINT32 dst_sps,
+ UINT16 bits, UINT16 n_channels);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (number of bytes)
+** dst_samples: The size of p_dst (number of bytes)
+**
+** Note: An AE reported an issue with this function.
+** When called with bta_av_sbc_up_sample(src, uint8_array_dst..)
+** the byte before uint8_array_dst may get overwritten.
+** Using uint16_array_dst avoids the problem.
+** This issue is related to endian-ness and is hard to resolve
+** in a generic manner.
+** **************** Please use uint16 array as dst.
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+extern int bta_av_sbc_up_sample (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample_16s (16bits-stereo)
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (in uint of 4 bytes)
+** dst_samples: The size of p_dst (in uint of 4 bytes)
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+extern int bta_av_sbc_up_sample_16s (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample_16m (16bits-mono)
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (in uint of 2 bytes)
+** dst_samples: The size of p_dst (in uint of 2 bytes)
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+extern int bta_av_sbc_up_sample_16m (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample_8s (8bits-stereo)
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (in uint of 2 bytes)
+** dst_samples: The size of p_dst (in uint of 2 bytes)
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+extern int bta_av_sbc_up_sample_8s (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_up_sample_8m (8bits-mono)
+**
+** Description Given the source (p_src) audio data and
+** source speed (src_sps, samples per second),
+** This function converts it to audio data in the desired format
+**
+** p_src: the data buffer that holds the source audio data
+** p_dst: the data buffer to hold the converted audio data
+** src_samples: The number of source samples (number of bytes)
+** dst_samples: The size of p_dst (number of bytes)
+**
+** Returns The number of bytes used in p_dst
+** The number of bytes used in p_src (in *p_ret)
+**
+*******************************************************************************/
+extern int bta_av_sbc_up_sample_8m (void *p_src, void *p_dst,
+ UINT32 src_samples, UINT32 dst_samples,
+ UINT32 *p_ret);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_cfg_for_cap
+**
+** Description Determine the preferred SBC codec configuration for the
+** given codec capabilities. The function is passed the
+** preferred codec configuration and the peer codec
+** capabilities for the stream. The function attempts to
+** match the preferred capabilities with the configuration
+** as best it can. The resulting codec configuration is
+** returned in the same memory used for the capabilities.
+**
+** Returns 0 if ok, nonzero if error.
+** Codec configuration in p_cap.
+**
+*******************************************************************************/
+extern UINT8 bta_av_sbc_cfg_for_cap(UINT8 *p_peer, tA2D_SBC_CIE *p_cap, tA2D_SBC_CIE *p_pref);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_cfg_in_cap
+**
+** Description This function checks whether an SBC codec configuration
+** is allowable for the given codec capabilities.
+**
+** Returns 0 if ok, nonzero if error.
+**
+*******************************************************************************/
+extern UINT8 bta_av_sbc_cfg_in_cap(UINT8 *p_cfg, tA2D_SBC_CIE *p_cap);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_cfg_matches_cap
+**
+** Description This function checks whether an SBC codec configuration
+** matched with capabilities. Here we check subset.
+**
+** Returns 0 if ok, nonzero if error.
+**
+*******************************************************************************/
+extern UINT8 bta_av_sbc_cfg_matches_cap(UINT8 *p_cfg, tA2D_SBC_CIE *p_cap);
+
+/*******************************************************************************
+**
+** Function bta_av_sbc_bld_hdr
+**
+** Description This function builds the packet header for MPF1.
+**
+** Returns void
+**
+*******************************************************************************/
+extern void bta_av_sbc_bld_hdr(BT_HDR *p_buf, UINT16 fr_per_pkt);
+
+#endif /* BTA_AV_SBC_H */
+
--- /dev/null
+/******************************************************************************
+ *
+ * Copyright (C) 2004-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the advanced audio/video call-out function implementation for
+ * BTIF.
+ *
+ ******************************************************************************/
+
+#include "string.h"
+#include "a2d_api.h"
+#include "a2d_sbc.h"
+#include "bta_sys.h"
+#include "bta_av_api.h"
+#include "bta_av_co.h"
+#include "bta_av_ci.h"
+#include "bta_av_sbc.h"
+#if 0 // todo : port the call out functions
+#include "btif_media.h"
+#include "sbc_encoder.h"
+#include "btif_av_co.h"
+#include "btif_util.h"
+
+/*****************************************************************************
+ ** Constants
+ *****************************************************************************/
+
+#define FUNC_TRACE() APPL_TRACE_DEBUG("%s", __FUNCTION__);
+
+/* Macro to retrieve the number of elements in a statically allocated array */
+#define BTA_AV_CO_NUM_ELEMENTS(__a) (sizeof(__a)/sizeof((__a)[0]))
+
+/* MIN and MAX macros */
+#define BTA_AV_CO_MIN(X,Y) ((X) < (Y) ? (X) : (Y))
+#define BTA_AV_CO_MAX(X,Y) ((X) > (Y) ? (X) : (Y))
+
+/* Macro to convert audio handle to index and vice versa */
+#define BTA_AV_CO_AUDIO_HNDL_TO_INDX(hndl) (((hndl) & (~BTA_AV_CHNL_MSK)) - 1)
+#define BTA_AV_CO_AUDIO_INDX_TO_HNDL(indx) (((indx) + 1) | BTA_AV_CHNL_AUDIO)
+
+
+/* Offsets to access codec information in SBC codec */
+#define BTA_AV_CO_SBC_FREQ_CHAN_OFF 3
+#define BTA_AV_CO_SBC_BLOCK_BAND_OFF 4
+#define BTA_AV_CO_SBC_MIN_BITPOOL_OFF 5
+#define BTA_AV_CO_SBC_MAX_BITPOOL_OFF 6
+
+#define BTA_AV_CO_SBC_MAX_BITPOOL 53
+
+/* SCMS-T protect info */
+const UINT8 bta_av_co_cp_scmst[BTA_AV_CP_INFO_LEN] = "\x02\x02\x00";
+
+/* SBC SRC codec capabilities */
+const tA2D_SBC_CIE bta_av_co_sbc_caps =
+{
+ (A2D_SBC_IE_SAMP_FREQ_44), /* samp_freq */
+ (A2D_SBC_IE_CH_MD_MONO | A2D_SBC_IE_CH_MD_STEREO | A2D_SBC_IE_CH_MD_JOINT | A2D_SBC_IE_CH_MD_DUAL), /* ch_mode */
+ (A2D_SBC_IE_BLOCKS_16 | A2D_SBC_IE_BLOCKS_12 | A2D_SBC_IE_BLOCKS_8 | A2D_SBC_IE_BLOCKS_4), /* block_len */
+ (A2D_SBC_IE_SUBBAND_4 | A2D_SBC_IE_SUBBAND_8), /* num_subbands */
+ (A2D_SBC_IE_ALLOC_MD_L | A2D_SBC_IE_ALLOC_MD_S), /* alloc_mthd */
+ BTA_AV_CO_SBC_MAX_BITPOOL, /* max_bitpool */
+ A2D_SBC_IE_MIN_BITPOOL /* min_bitpool */
+};
+
+/* SBC SINK codec capabilities */
+const tA2D_SBC_CIE bta_av_co_sbc_sink_caps =
+{
+ (A2D_SBC_IE_SAMP_FREQ_48 | A2D_SBC_IE_SAMP_FREQ_44), /* samp_freq */
+ (A2D_SBC_IE_CH_MD_MONO | A2D_SBC_IE_CH_MD_STEREO | A2D_SBC_IE_CH_MD_JOINT | A2D_SBC_IE_CH_MD_DUAL), /* ch_mode */
+ (A2D_SBC_IE_BLOCKS_16 | A2D_SBC_IE_BLOCKS_12 | A2D_SBC_IE_BLOCKS_8 | A2D_SBC_IE_BLOCKS_4), /* block_len */
+ (A2D_SBC_IE_SUBBAND_4 | A2D_SBC_IE_SUBBAND_8), /* num_subbands */
+ (A2D_SBC_IE_ALLOC_MD_L | A2D_SBC_IE_ALLOC_MD_S), /* alloc_mthd */
+ A2D_SBC_IE_MAX_BITPOOL, /* max_bitpool */
+ A2D_SBC_IE_MIN_BITPOOL /* min_bitpool */
+};
+
+#if !defined(BTIF_AV_SBC_DEFAULT_SAMP_FREQ)
+#define BTIF_AV_SBC_DEFAULT_SAMP_FREQ A2D_SBC_IE_SAMP_FREQ_44
+#endif
+
+/* Default SBC codec configuration */
+const tA2D_SBC_CIE btif_av_sbc_default_config =
+{
+ BTIF_AV_SBC_DEFAULT_SAMP_FREQ, /* samp_freq */
+ A2D_SBC_IE_CH_MD_JOINT, /* ch_mode */
+ A2D_SBC_IE_BLOCKS_16, /* block_len */
+ A2D_SBC_IE_SUBBAND_8, /* num_subbands */
+ A2D_SBC_IE_ALLOC_MD_L, /* alloc_mthd */
+ BTA_AV_CO_SBC_MAX_BITPOOL, /* max_bitpool */
+ A2D_SBC_IE_MIN_BITPOOL /* min_bitpool */
+};
+
+
+/*****************************************************************************
+** Local data
+*****************************************************************************/
+typedef struct
+{
+ UINT8 sep_info_idx; /* local SEP index (in BTA tables) */
+ UINT8 seid; /* peer SEP index (in peer tables) */
+ UINT8 codec_type; /* peer SEP codec type */
+ UINT8 codec_caps[AVDT_CODEC_SIZE]; /* peer SEP codec capabilities */
+ UINT8 num_protect; /* peer SEP number of CP elements */
+ UINT8 protect_info[BTA_AV_CP_INFO_LEN]; /* peer SEP content protection info */
+} tBTA_AV_CO_SINK;
+
+typedef struct
+{
+ BD_ADDR addr; /* address of audio/video peer */
+ tBTA_AV_CO_SINK snks[BTIF_SV_AV_AA_SEP_INDEX]; /* array of supported sinks */
+ tBTA_AV_CO_SINK srcs[BTIF_SV_AV_AA_SEP_INDEX]; /* array of supported srcs */
+ UINT8 num_snks; /* total number of sinks at peer */
+ UINT8 num_srcs; /* total number of srcs at peer */
+ UINT8 num_seps; /* total number of seids at peer */
+ UINT8 num_rx_snks; /* number of received sinks */
+ UINT8 num_rx_srcs; /* number of received srcs */
+ UINT8 num_sup_snks; /* number of supported sinks in the snks array */
+ UINT8 num_sup_srcs; /* number of supported srcs in the srcs array */
+ tBTA_AV_CO_SINK *p_snk; /* currently selected sink */
+ tBTA_AV_CO_SINK *p_src; /* currently selected src */
+ UINT8 codec_cfg[AVDT_CODEC_SIZE]; /* current codec configuration */
+ BOOLEAN cp_active; /* current CP configuration */
+ BOOLEAN acp; /* acceptor */
+ BOOLEAN recfg_needed; /* reconfiguration is needed */
+ BOOLEAN opened; /* opened */
+ UINT16 mtu; /* maximum transmit unit size */
+ UINT16 uuid_to_connect; /* uuid of peer device */
+} tBTA_AV_CO_PEER;
+
+typedef struct
+{
+ BOOLEAN active;
+ UINT8 flag;
+} tBTA_AV_CO_CP;
+
+typedef struct
+{
+ /* Connected peer information */
+ tBTA_AV_CO_PEER peers[BTA_AV_NUM_STRS];
+ /* Current codec configuration - access to this variable must be protected */
+ tBTIF_AV_CODEC_INFO codec_cfg;
+ tBTIF_AV_CODEC_INFO codec_cfg_setconfig; /* remote peer setconfig preference */
+
+ tBTA_AV_CO_CP cp;
+} tBTA_AV_CO_CB;
+
+/* Control block instance */
+static tBTA_AV_CO_CB bta_av_co_cb;
+
+static BOOLEAN bta_av_co_audio_codec_build_config(const UINT8 *p_codec_caps, UINT8 *p_codec_cfg);
+static void bta_av_co_audio_peer_reset_config(tBTA_AV_CO_PEER *p_peer);
+static BOOLEAN bta_av_co_cp_is_scmst(const UINT8 *p_protectinfo);
+static BOOLEAN bta_av_co_audio_sink_has_scmst(const tBTA_AV_CO_SINK *p_sink);
+static BOOLEAN bta_av_co_audio_peer_supports_codec(tBTA_AV_CO_PEER *p_peer, UINT8 *p_snk_index);
+static BOOLEAN bta_av_co_audio_media_supports_config(UINT8 codec_type, const UINT8 *p_codec_cfg);
+static BOOLEAN bta_av_co_audio_sink_supports_config(UINT8 codec_type, const UINT8 *p_codec_cfg);
+static BOOLEAN bta_av_co_audio_peer_src_supports_codec(tBTA_AV_CO_PEER *p_peer, UINT8 *p_src_index);
+
+
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_cp_is_active
+ **
+ ** Description Get the current configuration of content protection
+ **
+ ** Returns TRUE if the current streaming has CP, FALSE otherwise
+ **
+ *******************************************************************************/
+BOOLEAN bta_av_co_cp_is_active(void)
+{
+ FUNC_TRACE();
+ return bta_av_co_cb.cp.active;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_cp_get_flag
+ **
+ ** Description Get content protection flag
+ ** BTA_AV_CP_SCMS_COPY_NEVER
+ ** BTA_AV_CP_SCMS_COPY_ONCE
+ ** BTA_AV_CP_SCMS_COPY_FREE
+ **
+ ** Returns The current flag value
+ **
+ *******************************************************************************/
+UINT8 bta_av_co_cp_get_flag(void)
+{
+ FUNC_TRACE();
+ return bta_av_co_cb.cp.flag;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_cp_set_flag
+ **
+ ** Description Set content protection flag
+ ** BTA_AV_CP_SCMS_COPY_NEVER
+ ** BTA_AV_CP_SCMS_COPY_ONCE
+ ** BTA_AV_CP_SCMS_COPY_FREE
+ **
+ ** Returns TRUE if setting the SCMS flag is supported else FALSE
+ **
+ *******************************************************************************/
+BOOLEAN bta_av_co_cp_set_flag(UINT8 cp_flag)
+{
+ FUNC_TRACE();
+
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+#else
+ if (cp_flag != BTA_AV_CP_SCMS_COPY_FREE)
+ {
+ return FALSE;
+ }
+#endif
+ bta_av_co_cb.cp.flag = cp_flag;
+ return TRUE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_get_peer
+ **
+ ** Description find the peer entry for a given handle
+ **
+ ** Returns the control block
+ **
+ *******************************************************************************/
+static tBTA_AV_CO_PEER *bta_av_co_get_peer(tBTA_AV_HNDL hndl)
+{
+ UINT8 index;
+ FUNC_TRACE();
+
+ index = BTA_AV_CO_AUDIO_HNDL_TO_INDX(hndl);
+
+ /* Sanity check */
+ if (index >= BTA_AV_CO_NUM_ELEMENTS(bta_av_co_cb.peers))
+ {
+ APPL_TRACE_ERROR("bta_av_co_get_peer peer index out of bounds:%d", index);
+ return NULL;
+ }
+
+ return &bta_av_co_cb.peers[index];
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_init
+ **
+ ** Description This callout function is executed by AV when it is
+ ** started by calling BTA_AvRegister(). This function can be
+ ** used by the phone to initialize audio paths or for other
+ ** initialization purposes.
+ **
+ **
+ ** Returns Stream codec and content protection capabilities info.
+ **
+ *******************************************************************************/
+BOOLEAN bta_av_co_audio_init(UINT8 *p_codec_type, UINT8 *p_codec_info, UINT8 *p_num_protect,
+ UINT8 *p_protect_info, UINT8 index)
+{
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_init: %d", index);
+
+ /* By default - no content protection info */
+ *p_num_protect = 0;
+ *p_protect_info = 0;
+
+ /* reset remote preference through setconfig */
+ bta_av_co_cb.codec_cfg_setconfig.id = BTIF_AV_CODEC_NONE;
+
+ switch (index)
+ {
+ case BTIF_SV_AV_AA_SBC_INDEX:
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ {
+ UINT8 *p = p_protect_info;
+
+ /* Content protection info - support SCMS-T */
+ *p_num_protect = 1;
+ *p++ = BTA_AV_CP_LOSC;
+ UINT16_TO_STREAM(p, BTA_AV_CP_SCMS_T_ID);
+
+ }
+#endif
+ /* Set up for SBC codec for SRC*/
+ *p_codec_type = BTA_AV_CODEC_SBC;
+
+ /* This should not fail because we are using constants for parameters */
+ A2D_BldSbcInfo(AVDT_MEDIA_AUDIO, (tA2D_SBC_CIE *) &bta_av_co_sbc_caps, p_codec_info);
+
+ /* Codec is valid */
+ return TRUE;
+#if (BTA_AV_SINK_INCLUDED == TRUE)
+ case BTIF_SV_AV_AA_SBC_SINK_INDEX:
+ *p_codec_type = BTA_AV_CODEC_SBC;
+
+ /* This should not fail because we are using constants for parameters */
+ A2D_BldSbcInfo(AVDT_MEDIA_AUDIO, (tA2D_SBC_CIE *) &bta_av_co_sbc_sink_caps, p_codec_info);
+
+ /* Codec is valid */
+ return TRUE;
+#endif
+ default:
+ /* Not valid */
+ return FALSE;
+ }
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_disc_res
+ **
+ ** Description This callout function is executed by AV to report the
+ ** number of stream end points (SEP) were found during the
+ ** AVDT stream discovery process.
+ **
+ **
+ ** Returns void.
+ **
+ *******************************************************************************/
+void bta_av_co_audio_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps, UINT8 num_snk,
+ UINT8 num_src, BD_ADDR addr, UINT16 uuid_local)
+{
+ tBTA_AV_CO_PEER *p_peer;
+
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_disc_res h:x%x num_seps:%d num_snk:%d num_src:%d",
+ hndl, num_seps, num_snk, num_src);
+
+ /* Find the peer info */
+ p_peer = bta_av_co_get_peer(hndl);
+ if (p_peer == NULL)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_disc_res could not find peer entry");
+ return;
+ }
+
+ /* Sanity check : this should never happen */
+ if (p_peer->opened)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_disc_res peer already opened");
+ }
+
+ /* Copy the discovery results */
+ bdcpy(p_peer->addr, addr);
+ p_peer->num_snks = num_snk;
+ p_peer->num_srcs = num_src;
+ p_peer->num_seps = num_seps;
+ p_peer->num_rx_snks = 0;
+ p_peer->num_rx_srcs = 0;
+ p_peer->num_sup_snks = 0;
+ if (uuid_local == UUID_SERVCLASS_AUDIO_SINK)
+ p_peer->uuid_to_connect = UUID_SERVCLASS_AUDIO_SOURCE;
+ else if (uuid_local == UUID_SERVCLASS_AUDIO_SOURCE)
+ p_peer->uuid_to_connect = UUID_SERVCLASS_AUDIO_SINK;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_build_src_cfg
+ **
+ ** Description This function will build preferred config from src capabilities
+ **
+ **
+ ** Returns Pass or Fail for current getconfig.
+ **
+ *******************************************************************************/
+void bta_av_build_src_cfg (UINT8 *p_pref_cfg, UINT8 *p_src_cap)
+{
+ tA2D_SBC_CIE src_cap;
+ tA2D_SBC_CIE pref_cap;
+ UINT8 status = 0;
+
+ /* initialize it to default SBC configuration */
+ A2D_BldSbcInfo(AVDT_MEDIA_AUDIO, (tA2D_SBC_CIE *) &btif_av_sbc_default_config, p_pref_cfg);
+ /* now try to build a preferred one */
+ /* parse configuration */
+ if ((status = A2D_ParsSbcInfo(&src_cap, p_src_cap, TRUE)) != 0)
+ {
+ APPL_TRACE_DEBUG(" Cant parse src cap ret = %d", status);
+ return ;
+ }
+
+ if (src_cap.samp_freq & A2D_SBC_IE_SAMP_FREQ_48)
+ pref_cap.samp_freq = A2D_SBC_IE_SAMP_FREQ_48;
+ else if (src_cap.samp_freq & A2D_SBC_IE_SAMP_FREQ_44)
+ pref_cap.samp_freq = A2D_SBC_IE_SAMP_FREQ_44;
+
+ if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_JOINT)
+ pref_cap.ch_mode = A2D_SBC_IE_CH_MD_JOINT;
+ else if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_STEREO)
+ pref_cap.ch_mode = A2D_SBC_IE_CH_MD_STEREO;
+ else if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_DUAL)
+ pref_cap.ch_mode = A2D_SBC_IE_CH_MD_DUAL;
+ else if (src_cap.ch_mode & A2D_SBC_IE_CH_MD_MONO)
+ pref_cap.ch_mode = A2D_SBC_IE_CH_MD_MONO;
+
+ if (src_cap.block_len & A2D_SBC_IE_BLOCKS_16)
+ pref_cap.block_len = A2D_SBC_IE_BLOCKS_16;
+ else if (src_cap.block_len & A2D_SBC_IE_BLOCKS_12)
+ pref_cap.block_len = A2D_SBC_IE_BLOCKS_12;
+ else if (src_cap.block_len & A2D_SBC_IE_BLOCKS_8)
+ pref_cap.block_len = A2D_SBC_IE_BLOCKS_8;
+ else if (src_cap.block_len & A2D_SBC_IE_BLOCKS_4)
+ pref_cap.block_len = A2D_SBC_IE_BLOCKS_4;
+
+ if (src_cap.num_subbands & A2D_SBC_IE_SUBBAND_8)
+ pref_cap.num_subbands = A2D_SBC_IE_SUBBAND_8;
+ else if(src_cap.num_subbands & A2D_SBC_IE_SUBBAND_4)
+ pref_cap.num_subbands = A2D_SBC_IE_SUBBAND_4;
+
+ if (src_cap.alloc_mthd & A2D_SBC_IE_ALLOC_MD_L)
+ pref_cap.alloc_mthd = A2D_SBC_IE_ALLOC_MD_L;
+ else if(src_cap.alloc_mthd & A2D_SBC_IE_ALLOC_MD_S)
+ pref_cap.alloc_mthd = A2D_SBC_IE_ALLOC_MD_S;
+
+ pref_cap.max_bitpool = src_cap.max_bitpool;
+ pref_cap.min_bitpool = src_cap.min_bitpool;
+
+ A2D_BldSbcInfo(AVDT_MEDIA_AUDIO, (tA2D_SBC_CIE *) &pref_cap, p_pref_cfg);
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_audio_sink_getconfig
+ **
+ ** Description This callout function is executed by AV to retrieve the
+ ** desired codec and content protection configuration for the
+ ** A2DP Sink audio stream in Initiator.
+ **
+ **
+ ** Returns Pass or Fail for current getconfig.
+ **
+ *******************************************************************************/
+UINT8 bta_av_audio_sink_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid, UINT8 *p_num_protect,
+ UINT8 *p_protect_info)
+{
+
+ UINT8 result = A2D_FAIL;
+ BOOLEAN supported;
+ tBTA_AV_CO_PEER *p_peer;
+ tBTA_AV_CO_SINK *p_src;
+ UINT8 pref_cfg[AVDT_CODEC_SIZE];
+ UINT8 index;
+
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_audio_sink_getconfig handle:0x%x codec_type:%d seid:%d",
+ hndl, codec_type, seid);
+ APPL_TRACE_DEBUG("num_protect:0x%02x protect_info:0x%02x%02x%02x",
+ *p_num_protect, p_protect_info[0], p_protect_info[1], p_protect_info[2]);
+
+ /* Retrieve the peer info */
+ p_peer = bta_av_co_get_peer(hndl);
+ if (p_peer == NULL)
+ {
+ APPL_TRACE_ERROR("bta_av_audio_sink_getconfig could not find peer entry");
+ return A2D_FAIL;
+ }
+
+ APPL_TRACE_DEBUG("bta_av_audio_sink_getconfig peer(o=%d,n_snks=%d,n_rx_snks=%d,n_sup_snks=%d)",
+ p_peer->opened, p_peer->num_srcs, p_peer->num_rx_srcs, p_peer->num_sup_srcs);
+
+ p_peer->num_rx_srcs++;
+
+ /* Check if this is a supported configuration */
+ supported = FALSE;
+ switch (codec_type)
+ {
+ case BTA_AV_CODEC_SBC:
+ supported = TRUE;
+ break;
+
+ default:
+ break;
+ }
+
+ if (supported)
+ {
+ /* If there is room for a new one */
+ if (p_peer->num_sup_srcs < BTA_AV_CO_NUM_ELEMENTS(p_peer->srcs))
+ {
+ p_src = &p_peer->srcs[p_peer->num_sup_srcs++];
+
+ APPL_TRACE_DEBUG("bta_av_audio_sink_getconfig saved caps[%x:%x:%x:%x:%x:%x]",
+ p_codec_info[1], p_codec_info[2], p_codec_info[3],
+ p_codec_info[4], p_codec_info[5], p_codec_info[6]);
+
+ memcpy(p_src->codec_caps, p_codec_info, AVDT_CODEC_SIZE);
+ p_src->codec_type = codec_type;
+ p_src->sep_info_idx = *p_sep_info_idx;
+ p_src->seid = seid;
+ p_src->num_protect = *p_num_protect;
+ memcpy(p_src->protect_info, p_protect_info, BTA_AV_CP_INFO_LEN);
+ }
+ else
+ {
+ APPL_TRACE_ERROR("bta_av_audio_sink_getconfig no more room for SRC info");
+ }
+ }
+
+ /* If last SNK get capabilities or all supported codec caps retrieved */
+ if ((p_peer->num_rx_srcs == p_peer->num_srcs) ||
+ (p_peer->num_sup_srcs == BTA_AV_CO_NUM_ELEMENTS(p_peer->srcs)))
+ {
+ APPL_TRACE_DEBUG("bta_av_audio_sink_getconfig last SRC reached");
+
+ /* Protect access to bta_av_co_cb.codec_cfg */
+ GKI_disable();
+
+ /* Find a src that matches the codec config */
+ if (bta_av_co_audio_peer_src_supports_codec(p_peer, &index))
+ {
+ APPL_TRACE_DEBUG(" Codec Supported ");
+ p_src = &p_peer->srcs[index];
+
+ /* Build the codec configuration for this sink */
+ {
+ /* Save the new configuration */
+ p_peer->p_src = p_src;
+ /* get preferred config from src_caps */
+ bta_av_build_src_cfg(pref_cfg, p_src->codec_caps);
+ memcpy(p_peer->codec_cfg, pref_cfg, AVDT_CODEC_SIZE);
+
+ APPL_TRACE_DEBUG("bta_av_audio_sink_getconfig p_codec_info[%x:%x:%x:%x:%x:%x]",
+ p_peer->codec_cfg[1], p_peer->codec_cfg[2], p_peer->codec_cfg[3],
+ p_peer->codec_cfg[4], p_peer->codec_cfg[5], p_peer->codec_cfg[6]);
+ /* By default, no content protection */
+ *p_num_protect = 0;
+
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ p_peer->cp_active = FALSE;
+ bta_av_co_cb.cp.active = FALSE;
+#endif
+
+ *p_sep_info_idx = p_src->sep_info_idx;
+ memcpy(p_codec_info, p_peer->codec_cfg, AVDT_CODEC_SIZE);
+ result = A2D_SUCCESS;
+ }
+ }
+ /* Protect access to bta_av_co_cb.codec_cfg */
+ GKI_enable();
+ }
+ return result;
+}
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_getconfig
+ **
+ ** Description This callout function is executed by AV to retrieve the
+ ** desired codec and content protection configuration for the
+ ** audio stream.
+ **
+ **
+ ** Returns Stream codec and content protection configuration info.
+ **
+ *******************************************************************************/
+UINT8 bta_av_co_audio_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid, UINT8 *p_num_protect,
+ UINT8 *p_protect_info)
+
+{
+ UINT8 result = A2D_FAIL;
+ BOOLEAN supported;
+ tBTA_AV_CO_PEER *p_peer;
+ tBTA_AV_CO_SINK *p_sink;
+ UINT8 codec_cfg[AVDT_CODEC_SIZE];
+ UINT8 index;
+
+ FUNC_TRACE();
+
+ /* Retrieve the peer info */
+ p_peer = bta_av_co_get_peer(hndl);
+ if (p_peer == NULL)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_getconfig could not find peer entry");
+ return A2D_FAIL;
+ }
+
+ if (p_peer->uuid_to_connect == UUID_SERVCLASS_AUDIO_SOURCE)
+ {
+ result = bta_av_audio_sink_getconfig(hndl, codec_type, p_codec_info, p_sep_info_idx,
+ seid, p_num_protect, p_protect_info);
+ return result;
+ }
+ APPL_TRACE_DEBUG("bta_av_co_audio_getconfig handle:0x%x codec_type:%d seid:%d",
+ hndl, codec_type, seid);
+ APPL_TRACE_DEBUG("num_protect:0x%02x protect_info:0x%02x%02x%02x",
+ *p_num_protect, p_protect_info[0], p_protect_info[1], p_protect_info[2]);
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_getconfig peer(o=%d,n_snks=%d,n_rx_snks=%d,n_sup_snks=%d)",
+ p_peer->opened, p_peer->num_snks, p_peer->num_rx_snks, p_peer->num_sup_snks);
+
+ p_peer->num_rx_snks++;
+
+ /* Check if this is a supported configuration */
+ supported = FALSE;
+ switch (codec_type)
+ {
+ case BTA_AV_CODEC_SBC:
+ supported = TRUE;
+ break;
+
+ default:
+ break;
+ }
+
+ if (supported)
+ {
+ /* If there is room for a new one */
+ if (p_peer->num_sup_snks < BTA_AV_CO_NUM_ELEMENTS(p_peer->snks))
+ {
+ p_sink = &p_peer->snks[p_peer->num_sup_snks++];
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_getconfig saved caps[%x:%x:%x:%x:%x:%x]",
+ p_codec_info[1], p_codec_info[2], p_codec_info[3],
+ p_codec_info[4], p_codec_info[5], p_codec_info[6]);
+
+ memcpy(p_sink->codec_caps, p_codec_info, AVDT_CODEC_SIZE);
+ p_sink->codec_type = codec_type;
+ p_sink->sep_info_idx = *p_sep_info_idx;
+ p_sink->seid = seid;
+ p_sink->num_protect = *p_num_protect;
+ memcpy(p_sink->protect_info, p_protect_info, BTA_AV_CP_INFO_LEN);
+ }
+ else
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_getconfig no more room for SNK info");
+ }
+ }
+
+ /* If last SNK get capabilities or all supported codec capa retrieved */
+ if ((p_peer->num_rx_snks == p_peer->num_snks) ||
+ (p_peer->num_sup_snks == BTA_AV_CO_NUM_ELEMENTS(p_peer->snks)))
+ {
+ APPL_TRACE_DEBUG("bta_av_co_audio_getconfig last sink reached");
+
+ /* Protect access to bta_av_co_cb.codec_cfg */
+ GKI_disable();
+
+ /* Find a sink that matches the codec config */
+ if (bta_av_co_audio_peer_supports_codec(p_peer, &index))
+ {
+ /* stop fetching caps once we retrieved a supported codec */
+ if (p_peer->acp)
+ {
+ *p_sep_info_idx = p_peer->num_seps;
+ APPL_TRACE_EVENT("no need to fetch more SEPs");
+ }
+
+ p_sink = &p_peer->snks[index];
+
+ /* Build the codec configuration for this sink */
+ if (bta_av_co_audio_codec_build_config(p_sink->codec_caps, codec_cfg))
+ {
+ APPL_TRACE_DEBUG("bta_av_co_audio_getconfig reconfig p_codec_info[%x:%x:%x:%x:%x:%x]",
+ codec_cfg[1], codec_cfg[2], codec_cfg[3],
+ codec_cfg[4], codec_cfg[5], codec_cfg[6]);
+
+ /* Save the new configuration */
+ p_peer->p_snk = p_sink;
+ memcpy(p_peer->codec_cfg, codec_cfg, AVDT_CODEC_SIZE);
+
+ /* By default, no content protection */
+ *p_num_protect = 0;
+
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ /* Check if this sink supports SCMS */
+ if (bta_av_co_audio_sink_has_scmst(p_sink))
+ {
+ p_peer->cp_active = TRUE;
+ bta_av_co_cb.cp.active = TRUE;
+ *p_num_protect = BTA_AV_CP_INFO_LEN;
+ memcpy(p_protect_info, bta_av_co_cp_scmst, BTA_AV_CP_INFO_LEN);
+ }
+ else
+ {
+ p_peer->cp_active = FALSE;
+ bta_av_co_cb.cp.active = FALSE;
+ }
+#endif
+
+ /* If acceptor -> reconfig otherwise reply for configuration */
+ if (p_peer->acp)
+ {
+ if (p_peer->recfg_needed)
+ {
+ APPL_TRACE_DEBUG("bta_av_co_audio_getconfig call BTA_AvReconfig(x%x)", hndl);
+ BTA_AvReconfig(hndl, TRUE, p_sink->sep_info_idx, p_peer->codec_cfg, *p_num_protect, (UINT8 *)bta_av_co_cp_scmst);
+ }
+ }
+ else
+ {
+ *p_sep_info_idx = p_sink->sep_info_idx;
+ memcpy(p_codec_info, p_peer->codec_cfg, AVDT_CODEC_SIZE);
+ }
+ result = A2D_SUCCESS;
+ }
+ }
+ /* Protect access to bta_av_co_cb.codec_cfg */
+ GKI_enable();
+ }
+ return result;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_setconfig
+ **
+ ** Description This callout function is executed by AV to set the codec and
+ ** content protection configuration of the audio stream.
+ **
+ **
+ ** Returns void
+ **
+ *******************************************************************************/
+void bta_av_co_audio_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr, UINT8 num_protect, UINT8 *p_protect_info,
+ UINT8 t_local_sep, UINT8 avdt_handle)
+{
+ tBTA_AV_CO_PEER *p_peer;
+ UINT8 status = A2D_SUCCESS;
+ UINT8 category = A2D_SUCCESS;
+ BOOLEAN recfg_needed = FALSE;
+ BOOLEAN codec_cfg_supported = FALSE;
+ UNUSED(seid);
+ UNUSED(addr);
+
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_setconfig p_codec_info[%x:%x:%x:%x:%x:%x]",
+ p_codec_info[1], p_codec_info[2], p_codec_info[3],
+ p_codec_info[4], p_codec_info[5], p_codec_info[6]);
+ APPL_TRACE_DEBUG("num_protect:0x%02x protect_info:0x%02x%02x%02x",
+ num_protect, p_protect_info[0], p_protect_info[1], p_protect_info[2]);
+
+ /* Retrieve the peer info */
+ p_peer = bta_av_co_get_peer(hndl);
+ if (p_peer == NULL)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_setconfig could not find peer entry");
+
+ /* Call call-in rejecting the configuration */
+ bta_av_ci_setconfig(hndl, A2D_BUSY, AVDT_ASC_CODEC, 0, NULL, FALSE, avdt_handle);
+ return;
+ }
+ APPL_TRACE_DEBUG("bta_av_co_audio_setconfig peer(o=%d,n_snks=%d,n_rx_snks=%d,n_sup_snks=%d)",
+ p_peer->opened, p_peer->num_snks, p_peer->num_rx_snks, p_peer->num_sup_snks);
+
+ /* Sanity check: should not be opened at this point */
+ if (p_peer->opened)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_setconfig peer already in use");
+ }
+
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ if (num_protect != 0)
+ {
+ /* If CP is supported */
+ if ((num_protect != 1) ||
+ (bta_av_co_cp_is_scmst(p_protect_info) == FALSE))
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_setconfig wrong CP configuration");
+ status = A2D_BAD_CP_TYPE;
+ category = AVDT_ASC_PROTECT;
+ }
+ }
+#else
+ /* Do not support content protection for the time being */
+ if (num_protect != 0)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_setconfig wrong CP configuration");
+ status = A2D_BAD_CP_TYPE;
+ category = AVDT_ASC_PROTECT;
+ }
+#endif
+ if (status == A2D_SUCCESS)
+ {
+ if(AVDT_TSEP_SNK == t_local_sep)
+ {
+ codec_cfg_supported = bta_av_co_audio_sink_supports_config(codec_type, p_codec_info);
+ APPL_TRACE_DEBUG(" Peer is A2DP SRC ");
+ }
+ if(AVDT_TSEP_SRC == t_local_sep)
+ {
+ codec_cfg_supported = bta_av_co_audio_media_supports_config(codec_type, p_codec_info);
+ APPL_TRACE_DEBUG(" Peer is A2DP SINK ");
+ }
+ /* Check if codec configuration is supported */
+ if (codec_cfg_supported)
+ {
+
+ /* Protect access to bta_av_co_cb.codec_cfg */
+ GKI_disable();
+
+ /* Check if the configuration matches the current codec config */
+ switch (bta_av_co_cb.codec_cfg.id)
+ {
+ case BTIF_AV_CODEC_SBC:
+ if ((codec_type != BTA_AV_CODEC_SBC) || memcmp(p_codec_info, bta_av_co_cb.codec_cfg.info, 5))
+ {
+ recfg_needed = TRUE;
+ }
+ else if ((num_protect == 1) && (!bta_av_co_cb.cp.active))
+ {
+ recfg_needed = TRUE;
+ }
+
+ /* if remote side requests a restricted notify sinks preferred bitpool range as all other params are
+ already checked for validify */
+ APPL_TRACE_EVENT("remote peer setconfig bitpool range [%d:%d]",
+ p_codec_info[BTA_AV_CO_SBC_MIN_BITPOOL_OFF],
+ p_codec_info[BTA_AV_CO_SBC_MAX_BITPOOL_OFF] );
+
+ bta_av_co_cb.codec_cfg_setconfig.id = BTIF_AV_CODEC_SBC;
+ memcpy(bta_av_co_cb.codec_cfg_setconfig.info, p_codec_info, AVDT_CODEC_SIZE);
+ if(AVDT_TSEP_SNK == t_local_sep)
+ {
+ /* If Peer is SRC, and our cfg subset matches with what is requested by peer, then
+ just accept what peer wants */
+ memcpy(bta_av_co_cb.codec_cfg.info, p_codec_info, AVDT_CODEC_SIZE);
+ recfg_needed = FALSE;
+ }
+ break;
+
+
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_setconfig unsupported cid %d", bta_av_co_cb.codec_cfg.id);
+ recfg_needed = TRUE;
+ break;
+ }
+ /* Protect access to bta_av_co_cb.codec_cfg */
+ GKI_enable();
+ }
+ else
+ {
+ category = AVDT_ASC_CODEC;
+ status = A2D_WRONG_CODEC;
+ }
+ }
+
+ if (status != A2D_SUCCESS)
+ {
+ APPL_TRACE_DEBUG("bta_av_co_audio_setconfig reject s=%d c=%d", status, category);
+
+ /* Call call-in rejecting the configuration */
+ bta_av_ci_setconfig(hndl, status, category, 0, NULL, FALSE, avdt_handle);
+ }
+ else
+ {
+ /* Mark that this is an acceptor peer */
+ p_peer->acp = TRUE;
+ p_peer->recfg_needed = recfg_needed;
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_setconfig accept reconf=%d", recfg_needed);
+
+ /* Call call-in accepting the configuration */
+ bta_av_ci_setconfig(hndl, A2D_SUCCESS, A2D_SUCCESS, 0, NULL, recfg_needed, avdt_handle);
+ }
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_open
+ **
+ ** Description This function is called by AV when the audio stream connection
+ ** is opened.
+ **
+ **
+ ** Returns void
+ **
+ *******************************************************************************/
+void bta_av_co_audio_open(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
+ UINT16 mtu)
+{
+ tBTA_AV_CO_PEER *p_peer;
+ UNUSED(p_codec_info);
+
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_open mtu:%d codec_type:%d", mtu, codec_type);
+
+ /* Retrieve the peer info */
+ p_peer = bta_av_co_get_peer(hndl);
+ if (p_peer == NULL)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_setconfig could not find peer entry");
+ }
+ else
+ {
+ p_peer->opened = TRUE;
+ p_peer->mtu = mtu;
+ }
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_close
+ **
+ ** Description This function is called by AV when the audio stream connection
+ ** is closed.
+ **
+ **
+ ** Returns void
+ **
+ *******************************************************************************/
+void bta_av_co_audio_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type, UINT16 mtu)
+
+{
+ tBTA_AV_CO_PEER *p_peer;
+ UNUSED(codec_type);
+ UNUSED(mtu);
+
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_close");
+
+ /* Retrieve the peer info */
+ p_peer = bta_av_co_get_peer(hndl);
+ if (p_peer)
+ {
+ /* Mark the peer closed and clean the peer info */
+ memset(p_peer, 0, sizeof(*p_peer));
+ }
+ else
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_close could not find peer entry");
+ }
+
+ /* reset remote preference through setconfig */
+ bta_av_co_cb.codec_cfg_setconfig.id = BTIF_AV_CODEC_NONE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_start
+ **
+ ** Description This function is called by AV when the audio streaming data
+ ** transfer is started.
+ **
+ **
+ ** Returns void
+ **
+ *******************************************************************************/
+void bta_av_co_audio_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr)
+{
+ UNUSED(hndl);
+ UNUSED(codec_type);
+ UNUSED(p_codec_info);
+ UNUSED(p_no_rtp_hdr);
+
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_start");
+
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_stop
+ **
+ ** Description This function is called by AV when the audio streaming data
+ ** transfer is stopped.
+ **
+ **
+ ** Returns void
+ **
+ *******************************************************************************/
+extern void bta_av_co_audio_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type)
+{
+ UNUSED(hndl);
+ UNUSED(codec_type);
+
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_stop");
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_src_data_path
+ **
+ ** Description This function is called to manage data transfer from
+ ** the audio codec to AVDTP.
+ **
+ ** Returns Pointer to the GKI buffer to send, NULL if no buffer to send
+ **
+ *******************************************************************************/
+void * bta_av_co_audio_src_data_path(tBTA_AV_CODEC codec_type, UINT32 *p_len,
+ UINT32 *p_timestamp)
+{
+ BT_HDR *p_buf;
+ UNUSED(p_len);
+
+ FUNC_TRACE();
+
+ p_buf = btif_media_aa_readbuf();
+ if (p_buf != NULL)
+ {
+ switch (codec_type)
+ {
+ case BTA_AV_CODEC_SBC:
+ /* In media packet SBC, the following information is available:
+ * p_buf->layer_specific : number of SBC frames in the packet
+ * p_buf->word[0] : timestamp
+ */
+ /* Retrieve the timestamp information from the media packet */
+ *p_timestamp = *((UINT32 *) (p_buf + 1));
+
+ /* Set up packet header */
+ bta_av_sbc_bld_hdr(p_buf, p_buf->layer_specific);
+ break;
+
+
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_src_data_path Unsupported codec type (%d)", codec_type);
+ break;
+ }
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ {
+ UINT8 *p;
+ if (bta_av_co_cp_is_active())
+ {
+ p_buf->len++;
+ p_buf->offset--;
+ p = (UINT8 *)(p_buf + 1) + p_buf->offset;
+ *p = bta_av_co_cp_get_flag();
+ }
+ }
+#endif
+ }
+ return p_buf;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_drop
+ **
+ ** Description An Audio packet is dropped. .
+ ** It's very likely that the connected headset with this handle
+ ** is moved far away. The implementation may want to reduce
+ ** the encoder bit rate setting to reduce the packet size.
+ **
+ ** Returns void
+ **
+ *******************************************************************************/
+void bta_av_co_audio_drop(tBTA_AV_HNDL hndl)
+{
+ FUNC_TRACE();
+
+ APPL_TRACE_ERROR("bta_av_co_audio_drop dropped: x%x", hndl);
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_delay
+ **
+ ** Description This function is called by AV when the audio stream connection
+ ** needs to send the initial delay report to the connected SRC.
+ **
+ **
+ ** Returns void
+ **
+ *******************************************************************************/
+void bta_av_co_audio_delay(tBTA_AV_HNDL hndl, UINT16 delay)
+{
+ FUNC_TRACE();
+
+ APPL_TRACE_ERROR("bta_av_co_audio_delay handle: x%x, delay:0x%x", hndl, delay);
+}
+
+
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_codec_build_config
+ **
+ ** Description Build the codec configuration
+ **
+ ** Returns TRUE if the codec was built successfully, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_codec_build_config(const UINT8 *p_codec_caps, UINT8 *p_codec_cfg)
+{
+ FUNC_TRACE();
+
+ memset(p_codec_cfg, 0, AVDT_CODEC_SIZE);
+
+ switch (bta_av_co_cb.codec_cfg.id)
+ {
+ case BTIF_AV_CODEC_SBC:
+ /* only copy the relevant portions for this codec to avoid issues when
+ comparing codec configs covering larger codec sets than SBC (7 bytes) */
+ memcpy(p_codec_cfg, bta_av_co_cb.codec_cfg.info, BTA_AV_CO_SBC_MAX_BITPOOL_OFF+1);
+
+ /* Update the bit pool boundaries with the codec capabilities */
+ p_codec_cfg[BTA_AV_CO_SBC_MIN_BITPOOL_OFF] = p_codec_caps[BTA_AV_CO_SBC_MIN_BITPOOL_OFF];
+ p_codec_cfg[BTA_AV_CO_SBC_MAX_BITPOOL_OFF] = p_codec_caps[BTA_AV_CO_SBC_MAX_BITPOOL_OFF];
+
+ APPL_TRACE_EVENT("bta_av_co_audio_codec_build_config : bitpool min %d, max %d",
+ p_codec_cfg[BTA_AV_CO_SBC_MIN_BITPOOL_OFF],
+ p_codec_caps[BTA_AV_CO_SBC_MAX_BITPOOL_OFF]);
+ break;
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_codec_build_config: unsupported codec id %d", bta_av_co_cb.codec_cfg.id);
+ return FALSE;
+ break;
+ }
+ return TRUE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_codec_cfg_matches_caps
+ **
+ ** Description Check if a codec config matches a codec capabilities
+ **
+ ** Returns TRUE if it codec config is supported, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_codec_cfg_matches_caps(UINT8 codec_id, const UINT8 *p_codec_caps, const UINT8 *p_codec_cfg)
+{
+ FUNC_TRACE();
+
+ switch(codec_id)
+ {
+ case BTIF_AV_CODEC_SBC:
+
+ APPL_TRACE_EVENT("bta_av_co_audio_codec_cfg_matches_caps : min %d/%d max %d/%d",
+ p_codec_caps[BTA_AV_CO_SBC_MIN_BITPOOL_OFF],
+ p_codec_cfg[BTA_AV_CO_SBC_MIN_BITPOOL_OFF],
+ p_codec_caps[BTA_AV_CO_SBC_MAX_BITPOOL_OFF],
+ p_codec_cfg[BTA_AV_CO_SBC_MAX_BITPOOL_OFF]);
+
+ /* Must match all items exactly except bitpool boundaries which can be adjusted */
+ if (!((p_codec_caps[BTA_AV_CO_SBC_FREQ_CHAN_OFF] & p_codec_cfg[BTA_AV_CO_SBC_FREQ_CHAN_OFF]) &&
+ (p_codec_caps[BTA_AV_CO_SBC_BLOCK_BAND_OFF] & p_codec_cfg[BTA_AV_CO_SBC_BLOCK_BAND_OFF])))
+ {
+ APPL_TRACE_EVENT("FALSE %x %x %x %x",
+ p_codec_caps[BTA_AV_CO_SBC_FREQ_CHAN_OFF],
+ p_codec_cfg[BTA_AV_CO_SBC_FREQ_CHAN_OFF],
+ p_codec_caps[BTA_AV_CO_SBC_BLOCK_BAND_OFF],
+ p_codec_cfg[BTA_AV_CO_SBC_BLOCK_BAND_OFF]);
+ return FALSE;
+ }
+ break;
+
+
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_codec_cfg_matches_caps: unsupported codec id %d", codec_id);
+ return FALSE;
+ break;
+ }
+ APPL_TRACE_EVENT("TRUE");
+
+ return TRUE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_codec_match
+ **
+ ** Description Check if a codec capabilities supports the codec config
+ **
+ ** Returns TRUE if the connection supports this codec, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_codec_match(const UINT8 *p_codec_caps)
+{
+ FUNC_TRACE();
+
+ return bta_av_co_audio_codec_cfg_matches_caps(bta_av_co_cb.codec_cfg.id, p_codec_caps, bta_av_co_cb.codec_cfg.info);
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_peer_reset_config
+ **
+ ** Description Reset the peer codec configuration
+ **
+ ** Returns Nothing
+ **
+ *******************************************************************************/
+static void bta_av_co_audio_peer_reset_config(tBTA_AV_CO_PEER *p_peer)
+{
+ FUNC_TRACE();
+
+ /* Indicate that there is no currently selected sink */
+ p_peer->p_snk = NULL;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_cp_is_scmst
+ **
+ ** Description Check if a content protection service is SCMS-T
+ **
+ ** Returns TRUE if this CP is SCMS-T, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_cp_is_scmst(const UINT8 *p_protectinfo)
+{
+ UINT16 cp_id;
+ FUNC_TRACE();
+
+ if (*p_protectinfo >= BTA_AV_CP_LOSC)
+ {
+ p_protectinfo++;
+ STREAM_TO_UINT16(cp_id, p_protectinfo);
+ if (cp_id == BTA_AV_CP_SCMS_T_ID)
+ {
+ APPL_TRACE_DEBUG("bta_av_co_cp_is_scmst: SCMS-T found");
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_sink_has_scmst
+ **
+ ** Description Check if a sink supports SCMS-T
+ **
+ ** Returns TRUE if the sink supports this CP, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_sink_has_scmst(const tBTA_AV_CO_SINK *p_sink)
+{
+ UINT8 index;
+ const UINT8 *p;
+ FUNC_TRACE();
+
+ /* Check if sink supports SCMS-T */
+ index = p_sink->num_protect;
+ p = &p_sink->protect_info[0];
+
+ while (index)
+ {
+ if (bta_av_co_cp_is_scmst(p))
+ {
+ return TRUE;
+ }
+ /* Move to the next SC */
+ p += *p + 1;
+ /* Decrement the SC counter */
+ index--;
+ }
+ APPL_TRACE_DEBUG("bta_av_co_audio_sink_has_scmst: SCMS-T not found");
+ return FALSE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_sink_supports_cp
+ **
+ ** Description Check if a sink supports the current content protection
+ **
+ ** Returns TRUE if the sink supports this CP, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_sink_supports_cp(const tBTA_AV_CO_SINK *p_sink)
+{
+ FUNC_TRACE();
+
+ /* Check if content protection is enabled for this stream */
+ if (bta_av_co_cp_get_flag() != BTA_AV_CP_SCMS_COPY_FREE)
+ {
+ return bta_av_co_audio_sink_has_scmst(p_sink);
+ }
+ else
+ {
+ APPL_TRACE_DEBUG("bta_av_co_audio_sink_supports_cp: not required");
+ return TRUE;
+ }
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_peer_supports_codec
+ **
+ ** Description Check if a connection supports the codec config
+ **
+ ** Returns TRUE if the connection supports this codec, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_peer_supports_codec(tBTA_AV_CO_PEER *p_peer, UINT8 *p_snk_index)
+{
+ int index;
+ UINT8 codec_type;
+ FUNC_TRACE();
+
+ /* Configure the codec type to look for */
+ codec_type = bta_av_co_cb.codec_cfg.id;
+
+
+ for (index = 0; index < p_peer->num_sup_snks; index++)
+ {
+ if (p_peer->snks[index].codec_type == codec_type)
+ {
+ switch (bta_av_co_cb.codec_cfg.id)
+ {
+ case BTIF_AV_CODEC_SBC:
+ if (p_snk_index) *p_snk_index = index;
+ return bta_av_co_audio_codec_match(p_peer->snks[index].codec_caps);
+ break;
+
+
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_peer_supports_codec: unsupported codec id %d", bta_av_co_cb.codec_cfg.id);
+ return FALSE;
+ break;
+ }
+ }
+ }
+ return FALSE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_peer_src_supports_codec
+ **
+ ** Description Check if a peer acting as src supports codec config
+ **
+ ** Returns TRUE if the connection supports this codec, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_peer_src_supports_codec(tBTA_AV_CO_PEER *p_peer, UINT8 *p_src_index)
+{
+ int index;
+ UINT8 codec_type;
+ FUNC_TRACE();
+
+ /* Configure the codec type to look for */
+ codec_type = bta_av_co_cb.codec_cfg.id;
+
+
+ for (index = 0; index < p_peer->num_sup_srcs; index++)
+ {
+ if (p_peer->srcs[index].codec_type == codec_type)
+ {
+ switch (bta_av_co_cb.codec_cfg.id)
+ {
+ case BTIF_AV_CODEC_SBC:
+ if (p_src_index) *p_src_index = index;
+ if (0 == bta_av_sbc_cfg_matches_cap((UINT8 *)p_peer->srcs[index].codec_caps,
+ (tA2D_SBC_CIE *)&bta_av_co_sbc_sink_caps))
+ {
+ return TRUE;
+ }
+ break;
+
+ default:
+ APPL_TRACE_ERROR("peer_src_supports_codec: unsupported codec id %d",
+ bta_av_co_cb.codec_cfg.id);
+ return FALSE;
+ break;
+ }
+ }
+ }
+ return FALSE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_sink_supports_config
+ **
+ ** Description Check if the media source supports a given configuration
+ **
+ ** Returns TRUE if the media source supports this config, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_sink_supports_config(UINT8 codec_type, const UINT8 *p_codec_cfg)
+{
+ FUNC_TRACE();
+
+ switch (codec_type)
+ {
+ case BTA_AV_CODEC_SBC:
+ if (bta_av_sbc_cfg_in_cap((UINT8 *)p_codec_cfg, (tA2D_SBC_CIE *)&bta_av_co_sbc_sink_caps))
+ {
+ return FALSE;
+ }
+ break;
+
+
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_media_supports_config unsupported codec type %d", codec_type);
+ return FALSE;
+ break;
+ }
+ return TRUE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_media_supports_config
+ **
+ ** Description Check if the media sink supports a given configuration
+ **
+ ** Returns TRUE if the media source supports this config, FALSE otherwise
+ **
+ *******************************************************************************/
+static BOOLEAN bta_av_co_audio_media_supports_config(UINT8 codec_type, const UINT8 *p_codec_cfg)
+{
+ FUNC_TRACE();
+
+ switch (codec_type)
+ {
+ case BTA_AV_CODEC_SBC:
+ if (bta_av_sbc_cfg_in_cap((UINT8 *)p_codec_cfg, (tA2D_SBC_CIE *)&bta_av_co_sbc_caps))
+ {
+ return FALSE;
+ }
+ break;
+
+
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_media_supports_config unsupported codec type %d", codec_type);
+ return FALSE;
+ break;
+ }
+ return TRUE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_codec_supported
+ **
+ ** Description Check if all opened connections are compatible with a codec
+ ** configuration and content protection
+ **
+ ** Returns TRUE if all opened devices support this codec, FALSE otherwise
+ **
+ *******************************************************************************/
+BOOLEAN bta_av_co_audio_codec_supported(tBTIF_STATUS *p_status)
+{
+ UINT8 index;
+ UINT8 snk_index;
+ tBTA_AV_CO_PEER *p_peer;
+ tBTA_AV_CO_SINK *p_sink;
+ UINT8 codec_cfg[AVDT_CODEC_SIZE];
+ UINT8 num_protect = 0;
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ BOOLEAN cp_active;
+#endif
+
+ FUNC_TRACE();
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_codec_supported");
+
+ /* Check AV feeding is supported */
+ *p_status = BTIF_ERROR_SRV_AV_FEEDING_NOT_SUPPORTED;
+
+ for (index = 0; index < BTA_AV_CO_NUM_ELEMENTS(bta_av_co_cb.peers); index++)
+ {
+ p_peer = &bta_av_co_cb.peers[index];
+ if (p_peer->opened)
+ {
+ if (bta_av_co_audio_peer_supports_codec(p_peer, &snk_index))
+ {
+ p_sink = &p_peer->snks[snk_index];
+
+ /* Check that this sink is compatible with the CP */
+ if (!bta_av_co_audio_sink_supports_cp(p_sink))
+ {
+ APPL_TRACE_DEBUG("bta_av_co_audio_codec_supported sink %d of peer %d doesn't support cp",
+ snk_index, index);
+ *p_status = BTIF_ERROR_SRV_AV_CP_NOT_SUPPORTED;
+ return FALSE;
+ }
+
+ /* Build the codec configuration for this sink */
+ if (bta_av_co_audio_codec_build_config(p_sink->codec_caps, codec_cfg))
+ {
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ /* Check if this sink supports SCMS */
+ cp_active = bta_av_co_audio_sink_has_scmst(p_sink);
+#endif
+ /* Check if this is a new configuration (new sink or new config) */
+ if ((p_sink != p_peer->p_snk) ||
+ (memcmp(codec_cfg, p_peer->codec_cfg, AVDT_CODEC_SIZE))
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ || (p_peer->cp_active != cp_active)
+#endif
+ )
+ {
+ /* Save the new configuration */
+ p_peer->p_snk = p_sink;
+ memcpy(p_peer->codec_cfg, codec_cfg, AVDT_CODEC_SIZE);
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ p_peer->cp_active = cp_active;
+ if (p_peer->cp_active)
+ {
+ bta_av_co_cb.cp.active = TRUE;
+ num_protect = BTA_AV_CP_INFO_LEN;
+ }
+ else
+ {
+ bta_av_co_cb.cp.active = FALSE;
+ }
+#endif
+ APPL_TRACE_DEBUG("bta_av_co_audio_codec_supported call BTA_AvReconfig(x%x)", BTA_AV_CO_AUDIO_INDX_TO_HNDL(index));
+ BTA_AvReconfig(BTA_AV_CO_AUDIO_INDX_TO_HNDL(index), TRUE, p_sink->sep_info_idx,
+ p_peer->codec_cfg, num_protect, (UINT8 *)bta_av_co_cp_scmst);
+ }
+ }
+ }
+ else
+ {
+ APPL_TRACE_DEBUG("bta_av_co_audio_codec_supported index %d doesn't support codec", index);
+ return FALSE;
+ }
+ }
+ }
+
+ *p_status = BTIF_SUCCESS;
+ return TRUE;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_codec_reset
+ **
+ ** Description Reset the current codec configuration
+ **
+ ** Returns void
+ **
+ *******************************************************************************/
+void bta_av_co_audio_codec_reset(void)
+{
+ GKI_disable();
+ FUNC_TRACE();
+
+ /* Reset the current configuration to SBC */
+ bta_av_co_cb.codec_cfg.id = BTIF_AV_CODEC_SBC;
+
+ if (A2D_BldSbcInfo(A2D_MEDIA_TYPE_AUDIO, (tA2D_SBC_CIE *)&btif_av_sbc_default_config, bta_av_co_cb.codec_cfg.info) != A2D_SUCCESS)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_codec_reset A2D_BldSbcInfo failed");
+ }
+
+ GKI_enable();
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_set_codec
+ **
+ ** Description Set the current codec configuration from the feeding type.
+ ** This function is starting to modify the configuration, it
+ ** should be protected.
+ **
+ ** Returns TRUE if successful, FALSE otherwise
+ **
+ *******************************************************************************/
+BOOLEAN bta_av_co_audio_set_codec(const tBTIF_AV_MEDIA_FEEDINGS *p_feeding, tBTIF_STATUS *p_status)
+{
+ tA2D_SBC_CIE sbc_config;
+ tBTIF_AV_CODEC_INFO new_cfg;
+
+ FUNC_TRACE();
+
+ /* Check AV feeding is supported */
+ *p_status = BTIF_ERROR_SRV_AV_FEEDING_NOT_SUPPORTED;
+
+ APPL_TRACE_DEBUG("bta_av_co_audio_set_codec cid=%d", p_feeding->format);
+
+ /* Supported codecs */
+ switch (p_feeding->format)
+ {
+ case BTIF_AV_CODEC_PCM:
+ new_cfg.id = BTIF_AV_CODEC_SBC;
+
+ sbc_config = btif_av_sbc_default_config;
+ if ((p_feeding->cfg.pcm.num_channel != 1) &&
+ (p_feeding->cfg.pcm.num_channel != 2))
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_set_codec PCM channel number unsupported");
+ return FALSE;
+ }
+ if ((p_feeding->cfg.pcm.bit_per_sample != 8) &&
+ (p_feeding->cfg.pcm.bit_per_sample != 16))
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_set_codec PCM sample size unsupported");
+ return FALSE;
+ }
+ switch (p_feeding->cfg.pcm.sampling_freq)
+ {
+ case 8000:
+ case 12000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 48000:
+ sbc_config.samp_freq = A2D_SBC_IE_SAMP_FREQ_48;
+ break;
+
+ case 11025:
+ case 22050:
+ case 44100:
+ sbc_config.samp_freq = A2D_SBC_IE_SAMP_FREQ_44;
+ break;
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_set_codec PCM sampling frequency unsupported");
+ return FALSE;
+ break;
+ }
+ /* Build the codec config */
+ if (A2D_BldSbcInfo(A2D_MEDIA_TYPE_AUDIO, &sbc_config, new_cfg.info) != A2D_SUCCESS)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_set_codec A2D_BldSbcInfo failed");
+ return FALSE;
+ }
+ break;
+
+
+ default:
+ APPL_TRACE_ERROR("bta_av_co_audio_set_codec Feeding format unsupported");
+ return FALSE;
+ break;
+ }
+
+ /* The new config was correctly built */
+ bta_av_co_cb.codec_cfg = new_cfg;
+
+
+ /* Check all devices support it */
+ *p_status = BTIF_SUCCESS;
+ return bta_av_co_audio_codec_supported(p_status);
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_get_sbc_config
+ **
+ ** Description Retrieves the SBC codec configuration. If the codec in use
+ ** is not SBC, return the default SBC codec configuration.
+ **
+ ** Returns TRUE if codec is SBC, FALSE otherwise
+ **
+ *******************************************************************************/
+BOOLEAN bta_av_co_audio_get_sbc_config(tA2D_SBC_CIE *p_sbc_config, UINT16 *p_minmtu)
+{
+ BOOLEAN result = FALSE;
+ UINT8 index, jndex;
+ tBTA_AV_CO_PEER *p_peer;
+ tBTA_AV_CO_SINK *p_sink;
+
+ APPL_TRACE_EVENT("bta_av_co_cb.codec_cfg.id : codec 0x%x", bta_av_co_cb.codec_cfg.id);
+
+ /* Minimum MTU is by default very large */
+ *p_minmtu = 0xFFFF;
+
+ GKI_disable();
+ if (bta_av_co_cb.codec_cfg.id == BTIF_AV_CODEC_SBC)
+ {
+ if (A2D_ParsSbcInfo(p_sbc_config, bta_av_co_cb.codec_cfg.info, FALSE) == A2D_SUCCESS)
+ {
+ for (index = 0; index < BTA_AV_CO_NUM_ELEMENTS(bta_av_co_cb.peers); index++)
+ {
+ p_peer = &bta_av_co_cb.peers[index];
+ if (p_peer->opened)
+ {
+ if (p_peer->mtu < *p_minmtu)
+ {
+ *p_minmtu = p_peer->mtu;
+ }
+ for (jndex = 0; jndex < p_peer->num_sup_snks; jndex++)
+ {
+ p_sink = &p_peer->snks[jndex];
+ if (p_sink->codec_type == A2D_MEDIA_CT_SBC)
+ {
+ /* Update the bitpool boundaries of the current config */
+ p_sbc_config->min_bitpool =
+ BTA_AV_CO_MAX(p_sink->codec_caps[BTA_AV_CO_SBC_MIN_BITPOOL_OFF],
+ p_sbc_config->min_bitpool);
+ p_sbc_config->max_bitpool =
+ BTA_AV_CO_MIN(p_sink->codec_caps[BTA_AV_CO_SBC_MAX_BITPOOL_OFF],
+ p_sbc_config->max_bitpool);
+ APPL_TRACE_EVENT("bta_av_co_audio_get_sbc_config : sink bitpool min %d, max %d",
+ p_sbc_config->min_bitpool, p_sbc_config->max_bitpool);
+ break;
+ }
+ }
+ }
+ }
+ result = TRUE;
+ }
+ }
+
+ if (!result)
+ {
+ /* Not SBC, still return the default values */
+ *p_sbc_config = btif_av_sbc_default_config;
+ }
+ GKI_enable();
+
+ return result;
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_audio_discard_config
+ **
+ ** Description Discard the codec configuration of a connection
+ **
+ ** Returns Nothing
+ **
+ *******************************************************************************/
+void bta_av_co_audio_discard_config(tBTA_AV_HNDL hndl)
+{
+ tBTA_AV_CO_PEER *p_peer;
+
+ FUNC_TRACE();
+
+ /* Find the peer info */
+ p_peer = bta_av_co_get_peer(hndl);
+ if (p_peer == NULL)
+ {
+ APPL_TRACE_ERROR("bta_av_co_audio_discard_config could not find peer entry");
+ return;
+ }
+
+ /* Reset the peer codec configuration */
+ bta_av_co_audio_peer_reset_config(p_peer);
+}
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_init
+ **
+ ** Description Initialization
+ **
+ ** Returns Nothing
+ **
+ *******************************************************************************/
+void bta_av_co_init(void)
+{
+ FUNC_TRACE();
+
+ /* Reset the control block */
+ memset(&bta_av_co_cb, 0, sizeof(bta_av_co_cb));
+
+ bta_av_co_cb.codec_cfg_setconfig.id = BTIF_AV_CODEC_NONE;
+
+#if defined(BTA_AV_CO_CP_SCMS_T) && (BTA_AV_CO_CP_SCMS_T == TRUE)
+ bta_av_co_cp_set_flag(BTA_AV_CP_SCMS_COPY_NEVER);
+#else
+ bta_av_co_cp_set_flag(BTA_AV_CP_SCMS_COPY_FREE);
+#endif
+
+ /* Reset the current config */
+ bta_av_co_audio_codec_reset();
+}
+
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_peer_cp_supported
+ **
+ ** Description Checks if the peer supports CP
+ **
+ ** Returns TRUE if the peer supports CP
+ **
+ *******************************************************************************/
+BOOLEAN bta_av_co_peer_cp_supported(tBTA_AV_HNDL hndl)
+{
+ tBTA_AV_CO_PEER *p_peer;
+ tBTA_AV_CO_SINK *p_sink;
+ UINT8 index;
+
+ FUNC_TRACE();
+
+ /* Find the peer info */
+ p_peer = bta_av_co_get_peer(hndl);
+ if (p_peer == NULL)
+ {
+ APPL_TRACE_ERROR("bta_av_co_peer_cp_supported could not find peer entry");
+ return FALSE;
+ }
+
+ for (index = 0; index < p_peer->num_sup_snks; index++)
+ {
+ p_sink = &p_peer->snks[index];
+ if (p_sink->codec_type == A2D_MEDIA_CT_SBC)
+ {
+ return bta_av_co_audio_sink_has_scmst(p_sink);
+ }
+ }
+ APPL_TRACE_ERROR("bta_av_co_peer_cp_supported did not find SBC sink");
+ return FALSE;
+}
+
+
+/*******************************************************************************
+ **
+ ** Function bta_av_co_get_remote_bitpool_pref
+ **
+ ** Description Check if remote side did a setconfig within the limits
+ ** of our exported bitpool range. If set we will set the
+ ** remote preference.
+ **
+ ** Returns TRUE if config set, FALSE otherwize
+ **
+ *******************************************************************************/
+
+BOOLEAN bta_av_co_get_remote_bitpool_pref(UINT8 *min, UINT8 *max)
+{
+ /* check if remote peer did a set config */
+ if (bta_av_co_cb.codec_cfg_setconfig.id == BTIF_AV_CODEC_NONE)
+ return FALSE;
+
+ *min = bta_av_co_cb.codec_cfg_setconfig.info[BTA_AV_CO_SBC_MIN_BITPOOL_OFF];
+ *max = bta_av_co_cb.codec_cfg_setconfig.info[BTA_AV_CO_SBC_MAX_BITPOOL_OFF];
+
+ return TRUE;
+}
+
+
+#else /* #if 0 */
+
+extern BOOLEAN bta_av_co_audio_init(UINT8 *p_codec_type, UINT8 *p_codec_info,
+ UINT8 *p_num_protect, UINT8 *p_protect_info, UINT8 index)
+{
+ return FALSE;
+}
+
+extern void bta_av_co_audio_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps,
+ UINT8 num_snk, UINT8 num_src, BD_ADDR addr, UINT16 uuid_local)
+{
+ return;
+}
+
+extern void bta_av_co_video_disc_res(tBTA_AV_HNDL hndl, UINT8 num_seps,
+ UINT8 num_snk, BD_ADDR addr)
+{
+ return;
+}
+
+extern UINT8 bta_av_co_audio_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
+ UINT8 *p_num_protect, UINT8 *p_protect_info)
+{
+ return 0;
+}
+
+extern UINT8 bta_av_co_video_getconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 *p_sep_info_idx, UINT8 seid,
+ UINT8 *p_num_protect, UINT8 *p_protect_info)
+{
+ return 0;
+}
+
+extern void bta_av_co_audio_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
+ UINT8 num_protect, UINT8 *p_protect_info,UINT8 t_local_sep, UINT8 avdt_handle)
+{
+ return;
+}
+
+extern void bta_av_co_video_setconfig(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, UINT8 seid, BD_ADDR addr,
+ UINT8 num_protect, UINT8 *p_protect_info)
+{
+ return;
+}
+
+extern void bta_av_co_audio_open(tBTA_AV_HNDL hndl,
+ tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
+ UINT16 mtu)
+{
+ return;
+}
+
+extern void bta_av_co_video_open(tBTA_AV_HNDL hndl,
+ tBTA_AV_CODEC codec_type, UINT8 *p_codec_info,
+ UINT16 mtu)
+{
+ return;
+}
+
+extern void bta_av_co_audio_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT16 mtu)
+{
+ return;
+}
+
+extern void bta_av_co_video_close(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT16 mtu)
+{
+ return;
+}
+
+extern void bta_av_co_audio_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr)
+{
+ return;
+}
+
+extern void bta_av_co_video_start(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type,
+ UINT8 *p_codec_info, BOOLEAN *p_no_rtp_hdr)
+{
+ return;
+}
+
+extern void bta_av_co_audio_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type)
+{
+ return;
+}
+
+extern void bta_av_co_video_stop(tBTA_AV_HNDL hndl, tBTA_AV_CODEC codec_type)
+{
+ return;
+}
+
+extern void * bta_av_co_audio_src_data_path(tBTA_AV_CODEC codec_type,
+ UINT32 *p_len, UINT32 *p_timestamp)
+{
+ return NULL;
+}
+
+extern void * bta_av_co_video_src_data_path(tBTA_AV_CODEC codec_type,
+ UINT32 *p_len, UINT32 *p_timestamp)
+{
+ return NULL;
+}
+
+extern void bta_av_co_audio_drop(tBTA_AV_HNDL hndl)
+{
+ return;
+}
+
+extern void bta_av_co_video_report_conn (BOOLEAN open, UINT8 avdt_handle)
+{
+ return;
+}
+
+extern void bta_av_co_video_report_rr (UINT32 packet_lost)
+{
+ return;
+}
+
+extern void bta_av_co_audio_delay(tBTA_AV_HNDL hndl, UINT16 delay)
+{
+ return;
+}
+
+extern void bta_av_co_video_delay(tBTA_AV_HNDL hndl, UINT16 delay)
+{
+ return;
+}
+
+#endif
bluedroid/bta/gatt \
bluedroid/bta/hh \
bluedroid/bta/sdp \
+ bluedroid/bta/av \
+ bluedroid/bta/ar \
bluedroid/bta/sys \
bluedroid/bta \
bluedroid/btcore \