[FFmpeg-trac] #4000(undetermined:new): mpeg4: Magenta color shift in first GOP

[FFmpeg]

#4000: mpeg4: Magenta color shift in first GOP
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             Reporter:               |                    Owner:
  ErikCJohansson                     |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by cehoyos):

 Replying to [comment:5 ErikCJohansson]:
 > > How did you produce this histogram? Did you use libswscale (FFmpeg)
 for the colour space conversion?
 > I used Baselight (www.filmlight.ltd.uk), libswscale not involved.

 This is less useful imo since you used libswscale in your original command
 line.
 Either use a yuv420p source image (and provide the histrogram for this
 image) or provide the histogram for the output of libswscale.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4000#comment:6>
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