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idct_permutation_type variable, so the permutation type can quickly be identified

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Originally committed as revision 1071 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2002-10-25 13:39:47 +00:00
parent 6e2d5f1aea
commit 50eb9cbc44
6 changed files with 48 additions and 30 deletions
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libavcodec/ps2/mpegvideo_mmi.c
+2 -4
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@@ -85,14 +85,12 @@ static void dct_unquantize_h263_mmi(MpegEncContext *s,
void MPV_common_init_mmi(MpegEncContext *s)
{
int i;
// const int dct_algo = s->avctx->dct_algo;
const int idct_algo= s->avctx->idct_algo;
if(idct_algo==FF_IDCT_AUTO){
if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_PS2){
s->idct_put= ff_mmi_idct_put;
s->idct_add= ff_mmi_idct_add;
for(i=0; i<64; i++)
s->idct_permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
s->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;
}
s->dct_unquantize_h263 = dct_unquantize_h263_mmi;
}