matroskaenc: write DisplayUnit element to better match the spec

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

View File

@ -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;