--- /dev/null
+/*
+ * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <limits.h>
+#include <math.h>
+
+#include "vp9/common/vp9_seg_common.h"
+
+#include "vp9/encoder/vp9_segmentation.h"
+
+static const double in_frame_q_adj_ratio[MAX_SEGMENTS] =
+ {1.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0};
+
+void vp9_setup_in_frame_q_adj(VP9_COMP *cpi) {
+ VP9_COMMON *const cm = &cpi->common;
+ struct segmentation *const seg = &cm->seg;
+
+ // Make SURE use of floating point in this function is safe.
+ vp9_clear_system_state();
+
+ if (cm->frame_type == KEY_FRAME ||
+ cpi->refresh_alt_ref_frame ||
+ (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref)) {
+ int segment;
+
+ // Clear down the segment map.
+ vpx_memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
+
+ // Clear down the complexity map used for rd.
+ vpx_memset(cpi->complexity_map, 0, cm->mi_rows * cm->mi_cols);
+
+ vp9_enable_segmentation(seg);
+ vp9_clearall_segfeatures(seg);
+
+ // Select delta coding method.
+ seg->abs_delta = SEGMENT_DELTADATA;
+
+ // Segment 0 "Q" feature is disabled so it defaults to the baseline Q.
+ vp9_disable_segfeature(seg, 0, SEG_LVL_ALT_Q);
+
+ // Use some of the segments for in frame Q adjustment.
+ for (segment = 1; segment < 2; segment++) {
+ const int qindex_delta =
+ vp9_compute_qdelta_by_rate(cpi,
+ cm->base_qindex,
+ in_frame_q_adj_ratio[segment]);
+ vp9_enable_segfeature(seg, segment, SEG_LVL_ALT_Q);
+ vp9_set_segdata(seg, segment, SEG_LVL_ALT_Q, qindex_delta);
+ }
+ }
+}
+
+// Select a segment for the current SB64
+void vp9_select_in_frame_q_segment(VP9_COMP *cpi,
+ int mi_row, int mi_col,
+ int output_enabled, int projected_rate) {
+ VP9_COMMON *const cm = &cpi->common;
+
+ const int mi_offset = mi_row * cm->mi_cols + mi_col;
+ const int bw = num_8x8_blocks_wide_lookup[BLOCK_64X64];
+ const int bh = num_8x8_blocks_high_lookup[BLOCK_64X64];
+ const int xmis = MIN(cm->mi_cols - mi_col, bw);
+ const int ymis = MIN(cm->mi_rows - mi_row, bh);
+ int complexity_metric = 64;
+ int x, y;
+
+ unsigned char segment;
+
+ if (!output_enabled) {
+ segment = 0;
+ } else {
+ // Rate depends on fraction of a SB64 in frame (xmis * ymis / bw * bh).
+ // It is converted to bits * 256 units.
+ const int target_rate = (cpi->rc.sb64_target_rate * xmis * ymis * 256) /
+ (bw * bh);
+
+ if (projected_rate < (target_rate / 4)) {
+ segment = 1;
+ } else {
+ segment = 0;
+ }
+
+ if (target_rate > 0) {
+ complexity_metric =
+ clamp((int)((projected_rate * 64) / target_rate), 16, 255);
+ }
+ }
+
+ // Fill in the entires in the segment map corresponding to this SB64.
+ for (y = 0; y < ymis; y++) {
+ for (x = 0; x < xmis; x++) {
+ cpi->segmentation_map[mi_offset + y * cm->mi_cols + x] = segment;
+ cpi->complexity_map[mi_offset + y * cm->mi_cols + x] =
+ (unsigned char)complexity_metric;
+ }
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#ifndef VP9_ENCODER_VP9_AQ_COMPLEXITY_H_
+#define VP9_ENCODER_VP9_AQ_COMPLEXITY_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct VP9_COMP;
+
+// Select a segment for the current SB64.
+void vp9_select_in_frame_q_segment(struct VP9_COMP *cpi, int mi_row, int mi_col,
+ int output_enabled, int projected_rate);
+
+
+// This function sets up a set of segments with delta Q values around
+// the baseline frame quantizer.
+void vp9_setup_in_frame_q_adj(struct VP9_COMP *cpi);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP9_ENCODER_VP9_AQ_COMPLEXITY_H_
#include "vp9/common/vp9_systemdependent.h"
#include "vp9/common/vp9_tile_common.h"
+#include "vp9/encoder/vp9_aq_complexity.h"
#include "vp9/encoder/vp9_aq_cyclicrefresh.h"
#include "vp9/encoder/vp9_aq_variance.h"
#include "vp9/encoder/vp9_encodeframe.h"
adjust_act_zbin(cpi, x);
}
-// Select a segment for the current SB64
-static void select_in_frame_q_segment(VP9_COMP *cpi,
- int mi_row, int mi_col,
- int output_enabled, int projected_rate) {
- VP9_COMMON *const cm = &cpi->common;
-
- const int mi_offset = mi_row * cm->mi_cols + mi_col;
- const int bw = num_8x8_blocks_wide_lookup[BLOCK_64X64];
- const int bh = num_8x8_blocks_high_lookup[BLOCK_64X64];
- const int xmis = MIN(cm->mi_cols - mi_col, bw);
- const int ymis = MIN(cm->mi_rows - mi_row, bh);
- int complexity_metric = 64;
- int x, y;
-
- unsigned char segment;
-
- if (!output_enabled) {
- segment = 0;
- } else {
- // Rate depends on fraction of a SB64 in frame (xmis * ymis / bw * bh).
- // It is converted to bits * 256 units
- const int target_rate = (cpi->rc.sb64_target_rate * xmis * ymis * 256) /
- (bw * bh);
-
- if (projected_rate < (target_rate / 4)) {
- segment = 1;
- } else {
- segment = 0;
- }
-
- if (target_rate > 0) {
- complexity_metric =
- clamp((int)((projected_rate * 64) / target_rate), 16, 255);
- }
- }
-
- // Fill in the entires in the segment map corresponding to this SB64
- for (y = 0; y < ymis; y++) {
- for (x = 0; x < xmis; x++) {
- cpi->segmentation_map[mi_offset + y * cm->mi_cols + x] = segment;
- cpi->complexity_map[mi_offset + y * cm->mi_cols + x] =
- (unsigned char)complexity_metric;
- }
- }
-}
-
static void update_state(VP9_COMP *cpi, PICK_MODE_CONTEXT *ctx,
int mi_row, int mi_col, BLOCK_SIZE bsize,
int output_enabled) {
// and and if necessary apply a Q delta using segmentation to get
// closer to the target.
if ((cpi->oxcf.aq_mode == COMPLEXITY_AQ) && cm->seg.update_map) {
- select_in_frame_q_segment(cpi, mi_row, mi_col,
- output_enabled, chosen_rate);
+ vp9_select_in_frame_q_segment(cpi, mi_row, mi_col,
+ output_enabled, chosen_rate);
}
if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
// and and if necessary apply a Q delta using segmentation to get
// closer to the target.
if ((cpi->oxcf.aq_mode == COMPLEXITY_AQ) && cm->seg.update_map) {
- select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled, best_rate);
+ vp9_select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled,
+ best_rate);
}
if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
// and and if necessary apply a Q delta using segmentation to get
// closer to the target.
if ((cpi->oxcf.aq_mode == COMPLEXITY_AQ) && cm->seg.update_map) {
- select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled, best_rate);
+ vp9_select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled,
+ best_rate);
}
if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
#include "vp9/common/vp9_systemdependent.h"
#include "vp9/common/vp9_tile_common.h"
+#include "vp9/encoder/vp9_aq_complexity.h"
#include "vp9/encoder/vp9_aq_cyclicrefresh.h"
#include "vp9/encoder/vp9_aq_variance.h"
#include "vp9/encoder/vp9_bitstream.h"
void vp9_init_quantizer(VP9_COMP *cpi);
-static const double in_frame_q_adj_ratio[MAX_SEGMENTS] =
- {1.0, 2.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0};
-
static INLINE void Scale2Ratio(VPX_SCALING mode, int *hr, int *hs) {
switch (mode) {
case NORMAL:
return target_index - base_q_index;
}
-// This function sets up a set of segments with delta Q values around
-// the baseline frame quantizer.
-static void setup_in_frame_q_adj(VP9_COMP *cpi) {
- VP9_COMMON *const cm = &cpi->common;
- struct segmentation *const seg = &cm->seg;
-
- // Make SURE use of floating point in this function is safe.
- vp9_clear_system_state();
-
- if (cm->frame_type == KEY_FRAME ||
- cpi->refresh_alt_ref_frame ||
- (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref)) {
- int segment;
-
- // Clear down the segment map
- vpx_memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols);
-
- // Clear down the complexity map used for rd
- vpx_memset(cpi->complexity_map, 0, cm->mi_rows * cm->mi_cols);
-
- vp9_enable_segmentation(seg);
- vp9_clearall_segfeatures(seg);
-
- // Select delta coding method
- seg->abs_delta = SEGMENT_DELTADATA;
-
- // Segment 0 "Q" feature is disabled so it defaults to the baseline Q
- vp9_disable_segfeature(seg, 0, SEG_LVL_ALT_Q);
-
- // Use some of the segments for in frame Q adjustment
- for (segment = 1; segment < 2; segment++) {
- const int qindex_delta =
- vp9_compute_qdelta_by_rate(cpi,
- cm->base_qindex,
- in_frame_q_adj_ratio[segment]);
- vp9_enable_segfeature(seg, segment, SEG_LVL_ALT_Q);
- vp9_set_segdata(seg, segment, SEG_LVL_ALT_Q, qindex_delta);
- }
- }
-}
static void configure_static_seg_features(VP9_COMP *cpi) {
VP9_COMMON *const cm = &cpi->common;
const RATE_CONTROL *const rc = &cpi->rc;
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
vp9_vaq_frame_setup(cpi);
} else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
- setup_in_frame_q_adj(cpi);
+ vp9_setup_in_frame_q_adj(cpi);
} else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
vp9_cyclic_refresh_setup(cpi);
}
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
vp9_vaq_frame_setup(cpi);
} else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) {
- setup_in_frame_q_adj(cpi);
+ vp9_setup_in_frame_q_adj(cpi);
}
// transform / motion compensation build reconstruction frame
VP9_CX_SRCS-yes += encoder/vp9_aq_variance.h
VP9_CX_SRCS-yes += encoder/vp9_aq_cyclicrefresh.c
VP9_CX_SRCS-yes += encoder/vp9_aq_cyclicrefresh.h
+VP9_CX_SRCS-yes += encoder/vp9_aq_complexity.c
+VP9_CX_SRCS-yes += encoder/vp9_aq_complexity.h
ifeq ($(CONFIG_VP9_POSTPROC),yes)
VP9_CX_SRCS-$(CONFIG_INTERNAL_STATS) += common/vp9_postproc.h
VP9_CX_SRCS-$(CONFIG_INTERNAL_STATS) += common/vp9_postproc.c
projects / libvpx / commitdiff