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matroskaenc: write DisplayUnit element to better match the spec

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This makes it clear that we are specifying the aspect ratio, and not
the intended display size in pixels.

Originally committed as revision 24239 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2010-07-14 19:36:14 +00:00
parent b834becdae
commit d00a351606
1 changed files with 1 additions and 0 deletions
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libavformat/matroskaenc.c
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@ -603,6 +603,7 @@ static int mkv_write_tracks(AVFormatContext *s)
int d_width = codec->width*av_q2d(st->sample_aspect_ratio);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYWIDTH , d_width);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYHEIGHT, codec->height);
put_ebml_uint(pb, MATROSKA_ID_VIDEODISPLAYUNIT, 3);
}
end_ebml_master(pb, subinfo);
break;