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use libmpeg2 idct to decode xvid videos unless the user forced some other idct

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Originally committed as revision 3251 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-06-25 19:14:23 +00:00
parent 8176bd1a46
commit ee0c00d3b4
1 changed files with 5 additions and 1 deletions
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4
libavcodec/h263dec.c
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@ -624,6 +624,10 @@ retry:
}
#endif
if(s->codec_id == CODEC_ID_MPEG4 && s->xvid_build && avctx->idct_algo == FF_IDCT_AUTO && (mm_flags & MM_MMX) && !(s->flags&CODEC_FLAG_BITEXACT)){
avctx->idct_algo= FF_IDCT_LIBMPEG2MMX;
avctx->width= 0; // force reinit
}
/* After H263 & mpeg4 header decode we have the height, width,*/
/* and other parameters. So then we could init the picture */
/* FIXME: By the way H263 decoder is evolving it should have */