[FFmpeg-trac] #2424(undetermined:new): transcoding some MKVs produces files that have the wrong size/aspect_ratio

[FFmpeg]

#2424: transcoding some MKVs produces files that have the wrong size/aspect_ratio
--------------------------------------+----------------------------------
             Reporter:  julian        |                     Type:  defect
               Status:  new           |                 Priority:  normal
            Component:  undetermined  |                  Version:  1.2
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
--------------------------------------+----------------------------------
 download the file:
 https://dl.dropbox.com/u/7221986/aspect_bug.mkv

 and transcode it to a MP4 (here with the latest official mac binary):
 {{{
 ffmpeg -i aspect_bug.mkv -vcodec copy -acodec copy aspect_bug.mp4
 ffmpeg version 1.2-tessus Copyright (c) 2000-2013 the FFmpeg developers
   built on Mar 15 2013 01:18:55 with llvm-gcc 4.2.1 (LLVM build 2336.1.00)
   configuration: --prefix=/Users/tessus/data/ext/ffmpeg/sw --as=yasm
 --extra-version=tessus --disable-shared --enable-static --disable-ffplay
 --enable-gpl --enable-pthreads --enable-postproc --enable-libmp3lame
 --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid
 --enable-libspeex --enable-bzlib --enable-zlib --enable-libopencore-amrnb
 --enable-libopencore-amrwb --enable-libxavs --enable-version3 --enable-
 libvo-aacenc --enable-libvo-amrwbenc --enable-libvpx --enable-libgsm
 --enable-libopus --enable-fontconfig --enable-libfreetype --enable-libass
 --enable-filters --enable-runtime-cpudetect
   libavutil      52. 18.100 / 52. 18.100
   libavcodec     54. 92.100 / 54. 92.100
   libavformat    54. 63.104 / 54. 63.104
   libavdevice    54.  3.103 / 54.  3.103
   libavfilter     3. 42.103 /  3. 42.103
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 Input #0, matroska,webm, from 'aspect_bug.mkv':
   Duration: 00:01:00.06, start: 0.000000, bitrate: 4395 kb/s
     Stream #0:0(eng): Video: h264 (High), yuv420p, 1280x536 [SAR 1:1 DAR
 160:67], SAR 67:3 DAR 160:3, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc
 (default)
     Stream #0:1(ger): Audio: dts (DTS), 48000 Hz, 5.1(side), fltp, 768
 kb/s
     Metadata:
       title           : DTS
     Stream #0:2(ger): Subtitle: subrip
     Metadata:
       title           : Forced
 [mp4 @ 0x102019c00] track 1: codec frame size is not set
 Output #0, mp4, to 'aspect_bug.mp4':
   Metadata:
     encoder         : Lavf54.63.104
     Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuv420p,
 1280x536 [SAR 67:3 DAR 160:3], q=2-31, 23.98 fps, 16k tbn, 1k tbc
 (default)
     Stream #0:1(ger): Audio: dts ([169][0][0][0] / 0x00A9), 48000 Hz,
 5.1(side), 768 kb/s
     Metadata:
       title           : DTS
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 frame= 1440 fps=0.0 q=-1.0 Lsize=   32257kB time=00:01:00.05
 bitrate=4400.5kbits/s
 video:26554kB audio:5630kB subtitle:0 global headers:0kB muxing overhead
 0.227912%
 }}}

 open the MP4 in VLC/Mplayer/QuickTime Player =>for some reason it is
 displayed in a completely weird size or aspect ratio. since ffmpeg seems
 to know the file is 1280x536, this should not occur.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2424>
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