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clear_block mmx

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Originally committed as revision 16045 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt
2008-12-10 21:35:17 +00:00
parent 5fac277602
commit 5fecfb7d58
10 changed files with 56 additions and 25 deletions
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4
libavcodec/vp3.c
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@@ -1402,14 +1402,14 @@ static void render_slice(Vp3DecodeContext *s, int slice)
/* dequantize the DCT coefficients */
if(s->avctx->idct_algo==FF_IDCT_VP3){
Coeff *coeff= s->coeffs + i;
memset(block, 0, sizeof(block));
s->dsp.clear_block(block);
while(coeff->next){
block[coeff->index]= coeff->coeff * dequantizer[coeff->index];
coeff= coeff->next;
}
}else{
Coeff *coeff= s->coeffs + i;
memset(block, 0, sizeof(block));
s->dsp.clear_block(block);
while(coeff->next){
block[coeff->index]= (coeff->coeff * dequantizer[coeff->index] + 2)>>2;
coeff= coeff->next;