[FFmpeg-trac] #4535(undetermined:new): Wrong avi resolution leads to green frames (MSC2)

[FFmpeg]

#4535: Wrong avi resolution leads to green frames (MSC2)
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  avi mjpeg
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 I will attach the first frames of a cctv recording that contains mjpeg in
 avi. The mjpeg frames have a resolution of 704x288 and are gray, the avi
 header reports 704x576. The result are ugly green frames.
 {{{
 $ ffmpeg -i MSC2.avi -qscale 2 -vframes 123 out.avi
 ffmpeg version N-71919-ge31cdb5 Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      54. 23.101 / 54. 23.101
   libavcodec     56. 37.100 / 56. 37.100
   libavformat    56. 31.102 / 56. 31.102
   libavdevice    56.  4.100 / 56.  4.100
   libavfilter     5. 16.101 /  5. 16.101
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100
 Input #0, avi, from 'MSC2.avi':
   Duration: 00:00:35.00, start: 0.000000, bitrate: 585 kb/s
     Stream #0:0: Video: mjpeg (MSC2 / 0x3243534D), yuvj422p(pc,
 bt470bg/unknown/unknown), 704x576, 3 fps, 3 tbr, 3 tbn, 3 tbc
     Metadata:
       title           : ????i
 Please use -q:a or -q:v, -qscale is ambiguous
 [swscaler @ 0x3200060] deprecated pixel format used, make sure you did set
 range correctly
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf56.31.102
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 704x576,
 q=2-31, 200 kb/s, 3 fps, 3 tbn, 3 tbc
     Metadata:
       title           : ????i
       encoder         : Lavc56.37.100 mpeg4
 Stream mapping:
   Stream #0:0 -> #0:0 (mjpeg (native) -> mpeg4 (native))
 Press [q] to stop, [?] for help
 frame=  123 fps=0.0 q=2.0 Lsize=    4466kB time=00:00:41.00 bitrate=
 892.3kbits/s
 video:4457kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.190914%
 }}}
 The following produces a nicer output:
 {{{
 $ ffmpeg -i MSC2.avi -vcodec copy out%4d.jpg
 $ ffmpeg -framerate 3 -i out%4d.jpg -vf setdar=4/3 -qscale 2 out.avi
 }}}
 Original filename was {{{D__00-események_20150505-Ormai Gillda_MSCII
 2015.05.05. 13_03_46_OBFR_Petzvál_u..1.MBF__(18) MOHAI UTCA II..1.AVI}}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/4535>
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