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Code Issues Releases Activity

MMX/SSE2 VP3 IDCT are bitexact now that the dequantization matrices are permutated correctly

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Originally committed as revision 15345 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2008-09-17 19:30:03 +00:00
parent 7f065b36c8
commit ccd3ec82b8
1 changed files with 1 additions and 3 deletions
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4
libavcodec/i386/dsputil_mmx.c
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@ -2528,9 +2528,7 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM; c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
#endif #endif
}else if((ENABLE_VP3_DECODER || ENABLE_VP5_DECODER || ENABLE_VP6_DECODER) && }else if((ENABLE_VP3_DECODER || ENABLE_VP5_DECODER || ENABLE_VP6_DECODER) &&
idct_algo==FF_IDCT_VP3 && idct_algo==FF_IDCT_VP3){
avctx->codec->id!=CODEC_ID_THEORA &&
!(avctx->flags & CODEC_FLAG_BITEXACT)){
if(mm_flags & MM_SSE2){ if(mm_flags & MM_SSE2){
c->idct_put= ff_vp3_idct_put_sse2; c->idct_put= ff_vp3_idct_put_sse2;
c->idct_add= ff_vp3_idct_add_sse2; c->idct_add= ff_vp3_idct_add_sse2;