[FFmpeg-trac] #4772(undetermined:new): mjpeg: wrong colors (CMYK)

[FFmpeg]

#4772: mjpeg: wrong colors (CMYK)
-------------------------------------+-------------------------------------
             Reporter:  pszemus      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 http://static1.money.pl/i/h/71/362567_hpb.jpg image decodes with wrong
 colors.
 {{{
 $ ~/ffmpeg/ffmpeg -i http://static1.money.pl/i/h/71/362567_hpb.jpg
 ffmpeg version N-74416-gacbd78a Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 4.8.3 (GCC) 20140911 (Red Hat 4.8.3-9)
   configuration: --prefix=/home/pszemus/ffmpeg/build --enable-pic
 --enable-pthreads --enable-libmp3lame --enable-version3 --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable-libfaac --enable-gpl
 --enable-nonfree --enable-libvpx --enable-libvorbis --enable-libx264
 --pkg-config-flags=--static --enable-protocol=https --enable-openssl
 --extra-cflags=-I/opt/WP/common.libs/inc --extra-
 ldflags='-L/opt/WP/common.libs/lib -ldl'
   libavutil      54. 30.100 / 54. 30.100
   libavcodec     56. 57.100 / 56. 57.100
   libavformat    56. 40.101 / 56. 40.101
   libavdevice    56.  4.100 / 56.  4.100
   libavfilter     5. 33.100 /  5. 33.100
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  2.101 /  1.  2.101
   libpostproc    53.  3.100 / 53.  3.100
 Input #0, image2, from 'http://static1.money.pl/i/h/71/362567_hpb.jpg':
   Duration: 00:00:00.04, start: 0.000000, bitrate: 93362 kb/s
     Stream #0:0: Video: mjpeg, yuva444p(pc, bt470bg/unknown/unknown),
 506x329, 25 tbr, 25 tbn, 25 tbc
 }}}
 GraphicsMagick shows CMYK colorspace:
 {{{
 $ gm identify -verbose http://static1.money.pl/i/h/71/362567_hpb.jpg
 Image: /tmp/gmby7PZM
   Format: JPEG (Joint Photographic Experts Group JFIF format)
   Geometry: 506x329
   Class: DirectClass
   Type: color separated
   Depth: 8 bits-per-pixel component
   Channel Depths:
     Cyan:     8 bits
     Magenta:  8 bits
     Yellow:   8 bits
     Black:    8 bits
   Channel Statistics:
     Cyan:
       Minimum:                     0.00 (0.0000)
       Maximum:                   255.00 (1.0000)
       Mean:                      141.88 (0.5564)
       Standard Deviation:         54.21 (0.2126)
     Magenta:
       Minimum:                     0.00 (0.0000)
       Maximum:                   255.00 (1.0000)
       Mean:                       80.67 (0.3163)
       Standard Deviation:         41.22 (0.1616)
     Yellow:
       Minimum:                     0.00 (0.0000)
       Maximum:                   255.00 (1.0000)
       Mean:                      117.62 (0.4613)
       Standard Deviation:         58.96 (0.2312)
     Black:
       Minimum:                     0.00 (0.0000)
       Maximum:                   255.00 (1.0000)
       Mean:                       86.65 (0.3398)
       Standard Deviation:         74.67 (0.2928)
   Filesize: 455.9Ki
   Interlace: No
   Orientation: Unknown
   Background Color: white
   Border Color: #DFDFDF
   Matte Color: #BDBDBD
   Page geometry: 506x329+0+0
   Compose: Over
   Dispose: Undefined
   Iterations: 0
   Compression: JPEG
   JPEG-Quality: 99
   JPEG-Colorspace: 4
   JPEG-Colorspace-Name: CMYK
   JPEG-Sampling-factors: 1x1,1x1,1x1,1x1
   Signature:
 c7c0e660247730f70c121c2770689eb8069ca4fe0b73ee06b5deae51ee1d792b
   Tainted: False
   User Time: 0.020u
 }}}
 Remote file attached.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4772>
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