apps/ffmpeg-rockchip
1
0
Fork 0
mirror of https://github.com/nyanmisaka/ffmpeg-rockchip.git synced 2025-11-01 21:12:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

swresample: change COMMON_CORE_INT16 asm from SSSE3 to SSE2

Browse Source 
pshuf+paddd is slightly faster than phaddd.
The real gain is in pre-ssse3 processors like AMD K8 and K10, which get
a big boost in performance compared to the mmxext version

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer
2014-03-17 17:07:34 -03:00
committed by Michael Niedermayer
parent c56d25c476
commit 7c8bf09edd
3 changed files with 15 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
libswresample/resample.c
View File

@@ -302,10 +302,10 @@ static int set_compensation(ResampleContext *c, int sample_delta, int compensati
#include "resample_template.c"
#undef TEMPLATE_RESAMPLE_S16_MMX2
#if HAVE_SSSE3_INLINE
#define TEMPLATE_RESAMPLE_S16_SSSE3
#if HAVE_SSE2_INLINE
#define TEMPLATE_RESAMPLE_S16_SSE2
#include "resample_template.c"
#undef TEMPLATE_RESAMPLE_S16_SSSE3
#undef TEMPLATE_RESAMPLE_S16_SSE2
#endif
#endif // HAVE_MMXEXT_INLINE
@@ -317,8 +317,8 @@ static int multiple_resample(ResampleContext *c, AudioData *dst, int dst_size, A
for(i=0; i<dst->ch_count; i++){
#if HAVE_MMXEXT_INLINE
#if HAVE_SSSE3_INLINE
if(c->format == AV_SAMPLE_FMT_S16P && (mm_flags&AV_CPU_FLAG_SSSE3)) ret= swri_resample_int16_ssse3(c, (int16_t*)dst->ch[i], (const int16_t*)src->ch[i], consumed, src_size, dst_size, i+1==dst->ch_count);
#if HAVE_SSE2_INLINE
if(c->format == AV_SAMPLE_FMT_S16P && (mm_flags&AV_CPU_FLAG_SSE2)) ret= swri_resample_int16_sse2 (c, (int16_t*)dst->ch[i], (const int16_t*)src->ch[i], consumed, src_size, dst_size, i+1==dst->ch_count);
else
#endif
if(c->format == AV_SAMPLE_FMT_S16P && (mm_flags&AV_CPU_FLAG_MMX2 )){