[FFmpeg-trac] #10216(undetermined:new): mv30: upside-down output

[FFmpeg]

#10216: mv30: upside-down output
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 FFmpeg decodes MV30 files upside-down while the original codec decodes
 them correctly.

 I have also created my own samples and the same problem happens with them.

 https://samples.ffmpeg.org/V-codecs/mv30.avi

 {{{
 ./ffmpeg -i mv30.avi -y out.avi
 ffmpeg version N-109867-g5247dab6b1 Copyright (c) 2000-2023 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
   configuration:
   libavutil      58.  1.100 / 58.  1.100
   libavcodec     60.  2.100 / 60.  2.100
   libavformat    60.  2.100 / 60.  2.100
   libavdevice    60.  0.100 / 60.  0.100
   libavfilter     9.  1.100 /  9.  1.100
   libswscale      7.  0.100 /  7.  0.100
   libswresample   4.  9.100 /  4.  9.100
 Input #0, avi, from 'mv30.avi':
   Metadata:
     software        : MEncoder Sherpya-SVN-r28126-4.2.5
   Duration: 00:00:02.00, start: 0.000000, bitrate: 3842 kb/s
   Stream #0:0: Video: mv30 (MV30 / 0x3033564D), yuv420p(pc), 320x240, 3955
 kb/s, SAR 1:1 DAR 4:3, 15 fps, 15 tbr, 15 tbn
 Stream mapping:
   Stream #0:0 -> #0:0 (mv30 (native) -> mpeg4 (native))
 Press [q] to stop, [?] for help
 Output #0, avi, to 'out.avi':
   Metadata:
     software        : MEncoder Sherpya-SVN-r28126-4.2.5
     ISFT            : Lavf60.2.100
   Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p(pc, progressive),
 320x240 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 15 fps, 15 tbn
     Metadata:
       encoder         : Lavc60.2.100 mpeg4
     Side data:
       cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
 frame=    1 fps=0.0 q=4.2 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=N/Aframe=   30 fps=0.0 q=11.8 Lsize=     120kB time=00:00:01.93
 bitrate= 507.7kbits/s speed=21.7x
 video:113kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 5.594285%
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10216>
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