[FFmpeg-trac] #2490(avformat:new): mjpeg-avi regression

[FFmpeg]

#2490: mjpeg-avi regression
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avformat
                Version:  git-       |               Keywords:  videolan
  master                             |  avi regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 (videolan ticket 8413)
 A vlc user uploaded a mjpeg-in-avi sample that is not decoded correctly by
 current FFmpeg, regression since cbfdfbe / d3f610c.
 {{{
 $ ffmpeg -i REC000.avi -qscale 2 out.avi
 ffmpeg version N-52364-g4ac2da3 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Apr 22 2013 01:30:43 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 27.100 / 52. 27.100
   libavcodec     55.  5.100 / 55.  5.100
   libavformat    55.  3.100 / 55.  3.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 60.100 /  3. 60.100
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 [avi @ 0x2988780] non-interleaved AVI
 [mjpeg @ 0x2989180] only 8 bits/component accepted
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
 Guessed Channel Layout for  Input Stream #0.1 : mono
 Input #0, avi, from 'REC000.avi':
   Duration: 00:00:02.47, start: 0.000000, bitrate: 11477 kb/s
     Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p, 640x480 [SAR
 72:72 DAR 4:3], 30 tbr, 30 tbn, 30 tbc
     Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 16000 Hz, mono,
 s16, 256 kb/s
 Please use -q:a or -q:v, -qscale is ambiguous
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.3.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 640x480 [SAR
 1:1 DAR 4:3], q=2-31, 200 kb/s, 30 tbn, 30 tbc
     Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 16000 Hz, mono, fltp,
 96 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (mjpeg -> mpeg4)
   Stream #0:1 -> #0:1 (pcm_s16le -> ac3)
 Press [q] to stop, [?] for help
 [mjpeg @ 0x2989180] only 8 bits/component accepted
 Error while decoding stream #0:0: Operation not permitted
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] mjpeg: unsupported coding type (cd)
 [mjpeg @ 0x2989180] invalid id 254
 Error while decoding stream #0:0: Operation not permitted
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
     Last message repeated 1 times
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] mjpeg: unsupported coding type (cd)
 Error while decoding stream #0:0: Operation not permitted
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] only 8 bits/component accepted
 Error while decoding stream #0:0: Operation not permitted
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 [mjpeg @ 0x2989180] overread 8
 [mjpeg @ 0x2989180] Found EOI before any SOF, ignoring
 Error while decoding stream #0:0: Operation not permitted
 [mjpeg @ 0x2989180] mjpeg: unsupported coding type (c5)
 [mjpeg @ 0x2989180] mjpeg: unsupported coding type (cb)
 [mjpeg @ 0x2989180] mjpeg: unsupported coding type (ca)
 frame=   23 fps=0.0 q=2.0 Lsize=     963kB time=00:00:01.72
 bitrate=4565.8kbits/s
 video:931kB audio:20kB subtitle:0 global headers:0kB muxing overhead
 1.193021%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2490>
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