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Code Issues Releases Activity

libavcodec/lossless_videodsp : add add_bytes avx2 version

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This commit is contained in:
Martin Vignali 2017-11-06 21:51:54 +01:00
parent fbe9148779
commit da62128ea1
3 changed files with 10 additions and 1 deletions
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2
libavcodec/lossless_videodsp.h
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@ -29,7 +29,7 @@
#include "libavutil/cpu.h"
typedef struct LLVidDSPContext {
void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,
void (*add_bytes)(uint8_t *dst /* align 32 */, uint8_t *src /* align 32 */,
ptrdiff_t w);
void (*add_median_pred)(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, ptrdiff_t w,

5
libavcodec/x86/lossless_videodsp.asm
View File

@ -217,6 +217,11 @@ ADD_BYTES
INIT_XMM sse2
ADD_BYTES
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
ADD_BYTES
%endif
%macro ADD_HFYU_LEFT_LOOP_INT16 2 ; %1 = dst alignment (a/u), %2 = src alignment (a/u)
add wd, wd
add srcq, wq

4
libavcodec/x86/lossless_videodsp_init.c
View File

@ -25,6 +25,7 @@
void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, ptrdiff_t w);
void ff_add_bytes_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t w);
void ff_add_bytes_avx2(uint8_t *dst, uint8_t *src, ptrdiff_t w);
void ff_add_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, ptrdiff_t w,
@ -115,4 +116,7 @@ void ff_llviddsp_init_x86(LLVidDSPContext *c)
if (EXTERNAL_SSE4(cpu_flags)) {
c->add_left_pred_int16 = ff_add_left_pred_int16_sse4;
}
if (EXTERNAL_AVX2_FAST(cpu_flags)) {
c->add_bytes = ff_add_bytes_avx2;
}
}