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Code Issues Releases Activity

Enables back the mmx/sse optimized version of the vp3 idct.

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It generates different md5sum than the reference C implementation,
but no visual difference, so enabled only when bitexact is not set.

Originally committed as revision 6241 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs
2006-09-12 20:58:17 +00:00
parent d0702de9af
commit 1dac8fea05
1 changed files with 2 additions and 3 deletions
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5
libavcodec/i386/dsputil_mmx.c
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@@ -3053,8 +3053,8 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->idct = ff_mmx_idct;
}
c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
#if 0
}else if(idct_algo==FF_IDCT_VP3){
}else if(idct_algo==FF_IDCT_VP3 &&
!(avctx->flags & CODEC_FLAG_BITEXACT)){
if(mm_flags & MM_SSE2){
c->idct_put= ff_vp3_idct_put_sse2;
c->idct_add= ff_vp3_idct_add_sse2;
@@ -3067,7 +3067,6 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->idct = ff_vp3_idct_mmx;
c->idct_permutation_type= FF_PARTTRANS_IDCT_PERM;
}
#endif
}else if(idct_algo==FF_IDCT_CAVS){
c->idct_permutation_type= FF_TRANSPOSE_IDCT_PERM;
#ifdef CONFIG_GPL