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

FFmpeg trac at avcodec.org
Fri Oct 3 09:48:06 CEST 2014

#4000: mpeg4: Magenta color shift in first GOP
             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            |

Comment (by cehoyos):

 Replying to [comment:2 ErikCJohansson]:
 > Looking at the histograms, you can see the shift in the higher range,
 but seems ok in the lower range. I will attach histogram plots of the
 source image as well as your two samples.

 How can I see in the histogram plots that frame 1 has a higher magenta
 colour shift than frame 0?

Ticket URL: <https://trac.ffmpeg.org/ticket/4000#comment:3>
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