[FFmpeg-trac] #9085(avcodec:reopened): JPEG: YCCK too green

FFmpeg trac at avcodec.org
Sun Mar 21 07:39:41 EET 2021

#9085: JPEG: YCCK too green
             Reporter:  Balling     |                    Owner:
                 Type:  defect      |                   Status:  reopened
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  mjpeg cmyk  |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |

Comment (by Balling):

 Replying to [comment:14 pdr0]:
 > Replying to [comment:4 Balling]:
 > > I tested in Photoshop 2021: no alternative icc profile produces such
 insane colours and removing colour management at all also does not produce
 the colours as in ffmpeg. So it is not ICC.
 > Actually this is completely explained by ICC

 When you strip the markers it will remove Adobe APP14 marker, no? Which 4
 channel is no recognised as CMYK. And YCCK. No, this has nothing to do
 with ICC, we have no ICC support in chrome for CMYK.

Ticket URL: <https://trac.ffmpeg.org/ticket/9085#comment:15>
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