From ee0c00d3b43dcf53bca1a0a89ffab2d6140c811f Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 25 Jun 2004 19:14:23 +0000 Subject: [PATCH] use libmpeg2 idct to decode xvid videos unless the user forced some other idct Originally committed as revision 3251 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h263dec.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c index 4394432e3d..31580e4dbf 100644 --- a/libavcodec/h263dec.c +++ b/libavcodec/h263dec.c @@ -623,7 +623,11 @@ retry: fprintf(f, "%d %d %f\n", buf_size, s->qscale, buf_size*(double)s->qscale); } #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 */