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lavc: always align height by 32 pixel 

Interlaced content for most codec requires it.
This patch is a stop-gap pending a serious rework to support
codecs with non 16 pixel macroblocks.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Rafaël Carré 2011-12-13 15:32:34 +01:00 committed by Luca Barbato
parent 91b1e6f0c6
commit 37c0dc626d
1 changed files with 2 additions and 4 deletions
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6
libavcodec/utils.c
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@ -166,10 +166,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
case PIX_FMT_GBRP9BE:
case PIX_FMT_GBRP10LE:
case PIX_FMT_GBRP10BE:
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 || s->codec_id == CODEC_ID_H264)
h_align= 32; // interlaced is rounded up to 2 MBs
w_align = 16; //FIXME assume 16 pixel per macroblock
h_align = 16 * 2; // interlaced needs 2 macroblocks height
break;
case PIX_FMT_YUV411P:
case PIX_FMT_UYYVYY411: