vp8_build_intra_predictors_mbuv_s().
This patch replaces the assembly version with an intrinsic
version.
On a Nexus 7, vpxenc (in realtime mode, speed -12)
reported a performance improvement of ~2.6%.
Change-Id: I9ef65bad929450c0215253fdae1c16c8b4a8f26f
::testing::Values(
vp8_build_intra_predictors_mby_s_ssse3));
#endif
+#if HAVE_NEON
+INSTANTIATE_TEST_CASE_P(NEON, IntraPredYTest,
+ ::testing::Values(
+ vp8_build_intra_predictors_mby_s_neon));
+#endif
typedef void (*IntraPredUvFunc)(MACROBLOCKD *x,
uint8_t *uabove_row,
::testing::Values(
vp8_build_intra_predictors_mbuv_s_ssse3));
#endif
+#if HAVE_NEON
+INSTANTIATE_TEST_CASE_P(NEON, IntraPredUVTest,
+ ::testing::Values(
+ vp8_build_intra_predictors_mbuv_s_neon));
+#endif
} // namespace
+++ /dev/null
-;
-; Copyright (c) 2010 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.
-;
-
-
- EXPORT |vp8_build_intra_predictors_mby_neon_func|
- EXPORT |vp8_build_intra_predictors_mby_s_neon_func|
-
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-; r0 unsigned char *y_buffer
-; r1 unsigned char *ypred_ptr
-; r2 int y_stride
-; r3 int mode
-; stack int Up
-; stack int Left
-
-|vp8_build_intra_predictors_mby_neon_func| PROC
- push {r4-r8, lr}
- vpush {d8-d15}
-
- cmp r3, #0
- beq case_dc_pred
- cmp r3, #1
- beq case_v_pred
- cmp r3, #2
- beq case_h_pred
- cmp r3, #3
- beq case_tm_pred
-
-case_dc_pred
- ldr r4, [sp, #88] ; Up
- ldr r5, [sp, #92] ; Left
-
- ; Default the DC average to 128
- mov r12, #128
- vdup.u8 q0, r12
-
- ; Zero out running sum
- mov r12, #0
-
- ; compute shift and jump
- adds r7, r4, r5
- beq skip_dc_pred_up_left
-
- ; Load above row, if it exists
- cmp r4, #0
- beq skip_dc_pred_up
-
- sub r6, r0, r2
- vld1.8 {q1}, [r6]
- vpaddl.u8 q2, q1
- vpaddl.u16 q3, q2
- vpaddl.u32 q4, q3
-
- vmov.32 r4, d8[0]
- vmov.32 r6, d9[0]
-
- add r12, r4, r6
-
- ; Move back to interger registers
-
-skip_dc_pred_up
-
- cmp r5, #0
- beq skip_dc_pred_left
-
- sub r0, r0, #1
-
- ; Load left row, if it exists
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
-
- add r12, r12, r3
- add r12, r12, r4
- add r12, r12, r5
- add r12, r12, r6
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
-
- add r12, r12, r3
- add r12, r12, r4
- add r12, r12, r5
- add r12, r12, r6
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
-
- add r12, r12, r3
- add r12, r12, r4
- add r12, r12, r5
- add r12, r12, r6
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0]
-
- add r12, r12, r3
- add r12, r12, r4
- add r12, r12, r5
- add r12, r12, r6
-
-skip_dc_pred_left
- add r7, r7, #3 ; Shift
- sub r4, r7, #1
- mov r5, #1
- add r12, r12, r5, lsl r4
- mov r5, r12, lsr r7 ; expected_dc
-
- vdup.u8 q0, r5
-
-skip_dc_pred_up_left
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
-
- vpop {d8-d15}
- pop {r4-r8,pc}
-case_v_pred
- ; Copy down above row
- sub r6, r0, r2
- vld1.8 {q0}, [r6]
-
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q0}, [r1]!
- vpop {d8-d15}
- pop {r4-r8,pc}
-
-case_h_pred
- ; Load 4x yleft_col
- sub r0, r0, #1
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u8 q0, r3
- vdup.u8 q1, r4
- vdup.u8 q2, r5
- vdup.u8 q3, r6
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q1}, [r1]!
- vst1.u8 {q2}, [r1]!
- vst1.u8 {q3}, [r1]!
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u8 q0, r3
- vdup.u8 q1, r4
- vdup.u8 q2, r5
- vdup.u8 q3, r6
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q1}, [r1]!
- vst1.u8 {q2}, [r1]!
- vst1.u8 {q3}, [r1]!
-
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u8 q0, r3
- vdup.u8 q1, r4
- vdup.u8 q2, r5
- vdup.u8 q3, r6
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q1}, [r1]!
- vst1.u8 {q2}, [r1]!
- vst1.u8 {q3}, [r1]!
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u8 q0, r3
- vdup.u8 q1, r4
- vdup.u8 q2, r5
- vdup.u8 q3, r6
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q1}, [r1]!
- vst1.u8 {q2}, [r1]!
- vst1.u8 {q3}, [r1]!
-
- vpop {d8-d15}
- pop {r4-r8,pc}
-
-case_tm_pred
- ; Load yabove_row
- sub r3, r0, r2
- vld1.8 {q8}, [r3]
-
- ; Load ytop_left
- sub r3, r3, #1
- ldrb r7, [r3]
-
- vdup.u16 q7, r7
-
- ; Compute yabove_row - ytop_left
- mov r3, #1
- vdup.u8 q0, r3
-
- vmull.u8 q4, d16, d0
- vmull.u8 q5, d17, d0
-
- vsub.s16 q4, q4, q7
- vsub.s16 q5, q5, q7
-
- ; Load 4x yleft_col
- sub r0, r0, #1
- mov r12, #4
-
-case_tm_pred_loop
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u16 q0, r3
- vdup.u16 q1, r4
- vdup.u16 q2, r5
- vdup.u16 q3, r6
-
- vqadd.s16 q8, q0, q4
- vqadd.s16 q9, q0, q5
-
- vqadd.s16 q10, q1, q4
- vqadd.s16 q11, q1, q5
-
- vqadd.s16 q12, q2, q4
- vqadd.s16 q13, q2, q5
-
- vqadd.s16 q14, q3, q4
- vqadd.s16 q15, q3, q5
-
- vqshrun.s16 d0, q8, #0
- vqshrun.s16 d1, q9, #0
-
- vqshrun.s16 d2, q10, #0
- vqshrun.s16 d3, q11, #0
-
- vqshrun.s16 d4, q12, #0
- vqshrun.s16 d5, q13, #0
-
- vqshrun.s16 d6, q14, #0
- vqshrun.s16 d7, q15, #0
-
- vst1.u8 {q0}, [r1]!
- vst1.u8 {q1}, [r1]!
- vst1.u8 {q2}, [r1]!
- vst1.u8 {q3}, [r1]!
-
- subs r12, r12, #1
- bne case_tm_pred_loop
-
- vpop {d8-d15}
- pop {r4-r8,pc}
-
- ENDP
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; r0 unsigned char *y_buffer
-; r1 unsigned char *ypred_ptr
-; r2 int y_stride
-; r3 int mode
-; stack int Up
-; stack int Left
-
-|vp8_build_intra_predictors_mby_s_neon_func| PROC
- push {r4-r8, lr}
- vpush {d8-d15}
-
- mov r1, r0 ; unsigned char *ypred_ptr = x->dst.y_buffer; //x->Predictor;
-
- cmp r3, #0
- beq case_dc_pred_s
- cmp r3, #1
- beq case_v_pred_s
- cmp r3, #2
- beq case_h_pred_s
- cmp r3, #3
- beq case_tm_pred_s
-
-case_dc_pred_s
- ldr r4, [sp, #88] ; Up
- ldr r5, [sp, #92] ; Left
-
- ; Default the DC average to 128
- mov r12, #128
- vdup.u8 q0, r12
-
- ; Zero out running sum
- mov r12, #0
-
- ; compute shift and jump
- adds r7, r4, r5
- beq skip_dc_pred_up_left_s
-
- ; Load above row, if it exists
- cmp r4, #0
- beq skip_dc_pred_up_s
-
- sub r6, r0, r2
- vld1.8 {q1}, [r6]
- vpaddl.u8 q2, q1
- vpaddl.u16 q3, q2
- vpaddl.u32 q4, q3
-
- vmov.32 r4, d8[0]
- vmov.32 r6, d9[0]
-
- add r12, r4, r6
-
- ; Move back to interger registers
-
-skip_dc_pred_up_s
-
- cmp r5, #0
- beq skip_dc_pred_left_s
-
- sub r0, r0, #1
-
- ; Load left row, if it exists
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
-
- add r12, r12, r3
- add r12, r12, r4
- add r12, r12, r5
- add r12, r12, r6
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
-
- add r12, r12, r3
- add r12, r12, r4
- add r12, r12, r5
- add r12, r12, r6
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
-
- add r12, r12, r3
- add r12, r12, r4
- add r12, r12, r5
- add r12, r12, r6
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0]
-
- add r12, r12, r3
- add r12, r12, r4
- add r12, r12, r5
- add r12, r12, r6
-
-skip_dc_pred_left_s
- add r7, r7, #3 ; Shift
- sub r4, r7, #1
- mov r5, #1
- add r12, r12, r5, lsl r4
- mov r5, r12, lsr r7 ; expected_dc
-
- vdup.u8 q0, r5
-
-skip_dc_pred_up_left_s
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
-
- vpop {d8-d15}
- pop {r4-r8,pc}
-case_v_pred_s
- ; Copy down above row
- sub r6, r0, r2
- vld1.8 {q0}, [r6]
-
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q0}, [r1], r2
-
- vpop {d8-d15}
- pop {r4-r8,pc}
-
-case_h_pred_s
- ; Load 4x yleft_col
- sub r0, r0, #1
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u8 q0, r3
- vdup.u8 q1, r4
- vdup.u8 q2, r5
- vdup.u8 q3, r6
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q1}, [r1], r2
- vst1.u8 {q2}, [r1], r2
- vst1.u8 {q3}, [r1], r2
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u8 q0, r3
- vdup.u8 q1, r4
- vdup.u8 q2, r5
- vdup.u8 q3, r6
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q1}, [r1], r2
- vst1.u8 {q2}, [r1], r2
- vst1.u8 {q3}, [r1], r2
-
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u8 q0, r3
- vdup.u8 q1, r4
- vdup.u8 q2, r5
- vdup.u8 q3, r6
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q1}, [r1], r2
- vst1.u8 {q2}, [r1], r2
- vst1.u8 {q3}, [r1], r2
-
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u8 q0, r3
- vdup.u8 q1, r4
- vdup.u8 q2, r5
- vdup.u8 q3, r6
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q1}, [r1], r2
- vst1.u8 {q2}, [r1], r2
- vst1.u8 {q3}, [r1], r2
-
- vpop {d8-d15}
- pop {r4-r8,pc}
-
-case_tm_pred_s
- ; Load yabove_row
- sub r3, r0, r2
- vld1.8 {q8}, [r3]
-
- ; Load ytop_left
- sub r3, r3, #1
- ldrb r7, [r3]
-
- vdup.u16 q7, r7
-
- ; Compute yabove_row - ytop_left
- mov r3, #1
- vdup.u8 q0, r3
-
- vmull.u8 q4, d16, d0
- vmull.u8 q5, d17, d0
-
- vsub.s16 q4, q4, q7
- vsub.s16 q5, q5, q7
-
- ; Load 4x yleft_col
- sub r0, r0, #1
- mov r12, #4
-
-case_tm_pred_loop_s
- ldrb r3, [r0], r2
- ldrb r4, [r0], r2
- ldrb r5, [r0], r2
- ldrb r6, [r0], r2
- vdup.u16 q0, r3
- vdup.u16 q1, r4
- vdup.u16 q2, r5
- vdup.u16 q3, r6
-
- vqadd.s16 q8, q0, q4
- vqadd.s16 q9, q0, q5
-
- vqadd.s16 q10, q1, q4
- vqadd.s16 q11, q1, q5
-
- vqadd.s16 q12, q2, q4
- vqadd.s16 q13, q2, q5
-
- vqadd.s16 q14, q3, q4
- vqadd.s16 q15, q3, q5
-
- vqshrun.s16 d0, q8, #0
- vqshrun.s16 d1, q9, #0
-
- vqshrun.s16 d2, q10, #0
- vqshrun.s16 d3, q11, #0
-
- vqshrun.s16 d4, q12, #0
- vqshrun.s16 d5, q13, #0
-
- vqshrun.s16 d6, q14, #0
- vqshrun.s16 d7, q15, #0
-
- vst1.u8 {q0}, [r1], r2
- vst1.u8 {q1}, [r1], r2
- vst1.u8 {q2}, [r1], r2
- vst1.u8 {q3}, [r1], r2
-
- subs r12, r12, #1
- bne case_tm_pred_loop_s
-
- vpop {d8-d15}
- pop {r4-r8,pc}
-
- ENDP
-
-
- END
--- /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 <arm_neon.h>
+
+#include "vp8/common/blockd.h"
+
+void vp8_build_intra_predictors_mby_s_neon(MACROBLOCKD *x,
+ unsigned char * yabove_row,
+ unsigned char * yleft,
+ int left_stride,
+ unsigned char * ypred_ptr,
+ int y_stride) {
+ const int mode = x->mode_info_context->mbmi.mode;
+ int i;
+
+ switch (mode) {
+ case DC_PRED:
+ {
+ int shift = x->up_available + x->left_available;
+ uint8x16_t v_expected_dc = vdupq_n_u8(128);
+
+ if (shift) {
+ unsigned int average = 0;
+ int expected_dc;
+ if (x->up_available) {
+ const uint8x16_t v_above = vld1q_u8(yabove_row);
+ const uint16x8_t a = vpaddlq_u8(v_above);
+ const uint32x4_t b = vpaddlq_u16(a);
+ const uint64x2_t c = vpaddlq_u32(b);
+ const uint32x2_t d = vadd_u32(vreinterpret_u32_u64(vget_low_u64(c)),
+ vreinterpret_u32_u64(vget_high_u64(c)));
+ average = vget_lane_u32(d, 0);
+ }
+ if (x->left_available) {
+ for (i = 0; i < 16; ++i) {
+ average += yleft[0];
+ yleft += left_stride;
+ }
+ }
+ shift += 3;
+ expected_dc = (average + (1 << (shift - 1))) >> shift;
+ v_expected_dc = vmovq_n_u8((uint8_t)expected_dc);
+ }
+ for (i = 0; i < 16; ++i) {
+ vst1q_u8(ypred_ptr, v_expected_dc);
+ ypred_ptr += y_stride;
+ }
+ }
+ break;
+ case V_PRED:
+ {
+ const uint8x16_t v_above = vld1q_u8(yabove_row);
+ for (i = 0; i < 16; ++i) {
+ vst1q_u8(ypred_ptr, v_above);
+ ypred_ptr += y_stride;
+ }
+ }
+ break;
+ case H_PRED:
+ {
+ for (i = 0; i < 16; ++i) {
+ const uint8x16_t v_yleft = vmovq_n_u8((uint8_t)yleft[0]);
+ yleft += left_stride;
+ vst1q_u8(ypred_ptr, v_yleft);
+ ypred_ptr += y_stride;
+ }
+ }
+ break;
+ case TM_PRED:
+ {
+ const uint16x8_t v_ytop_left = vmovq_n_u16((int16_t)yabove_row[-1]);
+ const uint8x16_t v_above = vld1q_u8(yabove_row);
+ for (i = 0; i < 16; ++i) {
+ const uint8x8_t v_yleft = vmov_n_u8((int8_t)yleft[0]);
+ const uint16x8_t a_lo = vaddl_u8(vget_low_u8(v_above), v_yleft);
+ const uint16x8_t a_hi = vaddl_u8(vget_high_u8(v_above), v_yleft);
+ const int16x8_t b_lo = vsubq_s16(vreinterpretq_s16_u16(a_lo),
+ vreinterpretq_s16_u16(v_ytop_left));
+ const int16x8_t b_hi = vsubq_s16(vreinterpretq_s16_u16(a_hi),
+ vreinterpretq_s16_u16(v_ytop_left));
+ const uint8x8_t pred_lo = vqmovun_s16(b_lo);
+ const uint8x8_t pred_hi = vqmovun_s16(b_hi);
+
+ vst1q_u8(ypred_ptr, vcombine_u8(pred_lo, pred_hi));
+ ypred_ptr += y_stride;
+ yleft += left_stride;
+ }
+ }
+ break;
+ }
+}
+
+void vp8_build_intra_predictors_mbuv_s_neon(MACROBLOCKD *x,
+ unsigned char * uabove_row,
+ unsigned char * vabove_row,
+ unsigned char * uleft,
+ unsigned char * vleft,
+ int left_stride,
+ unsigned char * upred_ptr,
+ unsigned char * vpred_ptr,
+ int pred_stride) {
+ const int mode = x->mode_info_context->mbmi.uv_mode;
+ int i;
+
+ switch (mode) {
+ case DC_PRED:
+ {
+ int shift = x->up_available + x->left_available;
+ uint8x8_t v_expected_udc = vdup_n_u8(128);
+ uint8x8_t v_expected_vdc = vdup_n_u8(128);
+
+ if (shift) {
+ unsigned int average_u = 0;
+ unsigned int average_v = 0;
+ int expected_udc;
+ int expected_vdc;
+ if (x->up_available) {
+ const uint8x8_t v_uabove = vld1_u8(uabove_row);
+ const uint8x8_t v_vabove = vld1_u8(vabove_row);
+ const uint16x8_t a = vpaddlq_u8(vcombine_u8(v_uabove, v_vabove));
+ const uint32x4_t b = vpaddlq_u16(a);
+ const uint64x2_t c = vpaddlq_u32(b);
+ average_u = vgetq_lane_u32(vreinterpretq_u32_u64((c)), 0);
+ average_v = vgetq_lane_u32(vreinterpretq_u32_u64((c)), 2);
+ }
+ if (x->left_available) {
+ for (i = 0; i < 8; ++i) {
+ average_u += uleft[0];
+ uleft += left_stride;
+ average_v += vleft[0];
+ vleft += left_stride;
+ }
+ }
+ shift += 2;
+ expected_udc = (average_u + (1 << (shift - 1))) >> shift;
+ expected_vdc = (average_v + (1 << (shift - 1))) >> shift;
+ v_expected_udc = vmov_n_u8((uint8_t)expected_udc);
+ v_expected_vdc = vmov_n_u8((uint8_t)expected_vdc);
+ }
+ for (i = 0; i < 8; ++i) {
+ vst1_u8(upred_ptr, v_expected_udc);
+ upred_ptr += pred_stride;
+ vst1_u8(vpred_ptr, v_expected_vdc);
+ vpred_ptr += pred_stride;
+ }
+ }
+ break;
+ case V_PRED:
+ {
+ const uint8x8_t v_uabove = vld1_u8(uabove_row);
+ const uint8x8_t v_vabove = vld1_u8(vabove_row);
+ for (i = 0; i < 8; ++i) {
+ vst1_u8(upred_ptr, v_uabove);
+ upred_ptr += pred_stride;
+ vst1_u8(vpred_ptr, v_vabove);
+ vpred_ptr += pred_stride;
+ }
+ }
+ break;
+ case H_PRED:
+ {
+ for (i = 0; i < 8; ++i) {
+ const uint8x8_t v_uleft = vmov_n_u8((uint8_t)uleft[0]);
+ const uint8x8_t v_vleft = vmov_n_u8((uint8_t)vleft[0]);
+ uleft += left_stride;
+ vleft += left_stride;
+ vst1_u8(upred_ptr, v_uleft);
+ upred_ptr += pred_stride;
+ vst1_u8(vpred_ptr, v_vleft);
+ vpred_ptr += pred_stride;
+ }
+ }
+ break;
+ case TM_PRED:
+ {
+ const uint16x8_t v_utop_left = vmovq_n_u16((int16_t)uabove_row[-1]);
+ const uint16x8_t v_vtop_left = vmovq_n_u16((int16_t)vabove_row[-1]);
+ const uint8x8_t v_uabove = vld1_u8(uabove_row);
+ const uint8x8_t v_vabove = vld1_u8(vabove_row);
+ for (i = 0; i < 8; ++i) {
+ const uint8x8_t v_uleft = vmov_n_u8((int8_t)uleft[0]);
+ const uint8x8_t v_vleft = vmov_n_u8((int8_t)vleft[0]);
+ const uint16x8_t a_u = vaddl_u8(v_uabove, v_uleft);
+ const uint16x8_t a_v = vaddl_u8(v_vabove, v_vleft);
+ const int16x8_t b_u = vsubq_s16(vreinterpretq_s16_u16(a_u),
+ vreinterpretq_s16_u16(v_utop_left));
+ const int16x8_t b_v = vsubq_s16(vreinterpretq_s16_u16(a_v),
+ vreinterpretq_s16_u16(v_vtop_left));
+ const uint8x8_t pred_u = vqmovun_s16(b_u);
+ const uint8x8_t pred_v = vqmovun_s16(b_v);
+
+ vst1_u8(upred_ptr, pred_u);
+ vst1_u8(vpred_ptr, pred_v);
+ upred_ptr += pred_stride;
+ vpred_ptr += pred_stride;
+ uleft += left_stride;
+ vleft += left_stride;
+ }
+ }
+ break;
+ }
+}
+++ /dev/null
-/*
- * Copyright (c) 2010 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 "vpx_config.h"
-#include "vp8_rtcd.h"
-#include "vp8/common/blockd.h"
-#include "vpx_mem/vpx_mem.h"
-
-#if HAVE_NEON_ASM
-extern void vp8_build_intra_predictors_mby_neon_func(
- unsigned char *y_buffer,
- unsigned char *ypred_ptr,
- int y_stride,
- int mode,
- int Up,
- int Left);
-
-void vp8_build_intra_predictors_mby_neon(MACROBLOCKD *x)
-{
- unsigned char *y_buffer = x->dst.y_buffer;
- unsigned char *ypred_ptr = x->predictor;
- int y_stride = x->dst.y_stride;
- int mode = x->mode_info_context->mbmi.mode;
- int Up = x->up_available;
- int Left = x->left_available;
-
- vp8_build_intra_predictors_mby_neon_func(y_buffer, ypred_ptr, y_stride, mode, Up, Left);
-}
-
-extern void vp8_build_intra_predictors_mby_s_neon_func(
- unsigned char *y_buffer,
- unsigned char *ypred_ptr,
- int y_stride,
- int mode,
- int Up,
- int Left);
-
-void vp8_build_intra_predictors_mby_s_neon(MACROBLOCKD *x)
-{
- unsigned char *y_buffer = x->dst.y_buffer;
- unsigned char *ypred_ptr = x->predictor;
- int y_stride = x->dst.y_stride;
- int mode = x->mode_info_context->mbmi.mode;
- int Up = x->up_available;
- int Left = x->left_available;
-
- vp8_build_intra_predictors_mby_s_neon_func(y_buffer, ypred_ptr, y_stride, mode, Up, Left);
-}
-
-#endif
$vp8_copy_mem8x4_dspr2=vp8_copy_mem8x4_dspr2;
add_proto qw/void vp8_build_intra_predictors_mby_s/, "struct macroblockd *x, unsigned char * yabove_row, unsigned char * yleft, int left_stride, unsigned char * ypred_ptr, int y_stride";
-specialize qw/vp8_build_intra_predictors_mby_s sse2 ssse3/;
-#TODO: fix assembly for neon
+specialize qw/vp8_build_intra_predictors_mby_s sse2 ssse3 neon/;
add_proto qw/void vp8_build_intra_predictors_mbuv_s/, "struct macroblockd *x, unsigned char * uabove_row, unsigned char * vabove_row, unsigned char *uleft, unsigned char *vleft, int left_stride, unsigned char * upred_ptr, unsigned char * vpred_ptr, int pred_stride";
-specialize qw/vp8_build_intra_predictors_mbuv_s sse2 ssse3/;
+specialize qw/vp8_build_intra_predictors_mbuv_s sse2 ssse3 neon/;
add_proto qw/void vp8_intra4x4_predict/, "unsigned char *Above, unsigned char *yleft, int left_stride, int b_mode, unsigned char *dst, int dst_stride, unsigned char top_left";
specialize qw/vp8_intra4x4_predict media/;
VP8_COMMON_SRCS-$(HAVE_MEDIA) += common/arm/armv6/vp8_variance_halfpixvar16x16_hv_armv6$(ASM)
# common (neon)
-#VP8_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/reconintra_arm.c
VP8_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/loopfiltersimpleverticaledge_neon$(ASM)
-#VP8_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/buildintrapredictorsmby_neon$(ASM)
VP8_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/idct_blk_neon.c
# common (neon intrinsics)
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/loopfilter_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/loopfiltersimplehorizontaledge_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/mbloopfilter_neon.c
+VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/reconintra_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/sad_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/shortidct4x4llm_neon.c
VP8_COMMON_SRCS-$(HAVE_NEON) += common/arm/neon/sixtappredict_neon.c
projects / libvpx / commitdiff