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H.264 decode: support cropping up to 28 pixels in interlaced mode.

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Contrary to progressive, just being able to crop up to 14/15 pixels
is not enough to encode all supported resolutions, and the new
behaviour is also consistent with e.g. MPEG-2 etc.

Originally committed as revision 25669 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-11-03 20:52:28 +00:00
parent ba7d6e798e
commit 00d1e96bf4
4 changed files with 4 additions and 4 deletions
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2
libavcodec/utils.c
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@ -140,7 +140,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int l
case PIX_FMT_YUVA420P:
w_align= 16; //FIXME check for non mpeg style codecs and use less alignment
h_align= 16;
if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP)
if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP || s->codec_id == CODEC_ID_H264)
h_align= 32; // interlaced is rounded up to 2 MBs
break;
case PIX_FMT_YUV411P: