virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-10 06:10:52 +02:00
Code Issues Releases Activity

vp56: only compile MMX SIMD on x86-32.

Browse Source 
All x86-64 CPUs have SSE2, so the MMX version will never be used. This
leads to smaller binaries.
This commit is contained in:
Ronald S. Bultje
2012-07-26 22:09:46 -07:00
parent 2734ba787b
commit 158744a4cd
2 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/x86/vp56dsp.asm
View File

@@ -162,8 +162,10 @@ cglobal vp6_filter_diag4, 5, 7, 8
RET
%endmacro
%if ARCH_X86_32
INIT_MMX mmx
vp6_filter_diag4
%endif
INIT_XMM sse2
vp6_filter_diag4

2
libavcodec/x86/vp56dsp_init.c
View File

@@ -36,9 +36,11 @@ av_cold void ff_vp56dsp_init_x86(VP56DSPContext* c, enum CodecID codec)
int mm_flags = av_get_cpu_flags();
if (CONFIG_VP6_DECODER && codec == CODEC_ID_VP6) {
#if ARCH_X86_32
if (mm_flags & AV_CPU_FLAG_MMX) {
c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx;
}
#endif
if (mm_flags & AV_CPU_FLAG_SSE2) {
c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2;