[FFmpeg-trac] #8613(undetermined:reopened): mv30 decoder renders video upside down

[FFmpeg]

#8613: mv30 decoder renders video upside down
-------------------------------------+-------------------------------------
             Reporter:  pross        |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * status:  closed => reopened
 * resolution:  invalid =>
 * version:  unspecified => git-master
 * component:  avcodec => undetermined
 * reproduced:  0 => 1


Comment:

 There may be no bug in libavcodec, but the issue is definitely
 reproducible with the application.
 {{{
 $ ffmpeg -i mv30-test-columbia.avi out.avi
 ffmpeg version N-97298-g9f4054a0cb Copyright (c) 2000-2020 the FFmpeg
 developers
   built with gcc 9 (SUSE Linux)
   configuration: --enable-gpl --enable-gnutls --enable-libx264 --enable-
 libx265 --enable-libdav1d --enable-libvpx --enable-libopus --enable-
 libxml2 --enable-libwebp --enable-librav1e --extra-
 cflags=-I/usr/include/rav1e --enable-opencl --enable-chromaprint
   libavutil      56. 42.102 / 56. 42.102
   libavcodec     58. 78.101 / 58. 78.101
   libavformat    58. 42.100 / 58. 42.100
   libavdevice    58.  9.103 / 58.  9.103
   libavfilter     7. 77.101 /  7. 77.101
   libswscale      5.  6.101 /  5.  6.101
   libswresample   3.  6.100 /  3.  6.100
   libpostproc    55.  6.100 / 55.  6.100
 Input #0, avi, from 'mv30-test-columbia.avi':
   Duration: 00:00:06.00, start: 0.000000, bitrate: 1157 kb/s
     Stream #0:0: Video: mv30 (MV30 / 0x3033564D), yuv420p(pc), 320x128,
 1164 kb/s, 10 fps, 10 tbr, 10 tbn, 10 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (mv30 (native) -> mpeg4 (native))
 Press [q] to stop, [?] for help
 [mpeg4 @ 0x25e4200] too many threads/slices (9), reducing to 8
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf58.42.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 320x128,
 q=2-31, 200 kb/s, 10 fps, 10 tbn, 10 tbc
     Metadata:
       encoder         : Lavc58.78.101 mpeg4
     Side data:
       cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
 frame=   60 fps=0.0 q=3.1 Lsize=     228kB time=00:00:06.00 bitrate=
 310.7kbits/s speed= 131x
 video:221kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 3.166844%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8613#comment:2>
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