[FFmpeg-trac] #845(avcodec:new): Artefacts with Indeo 4

[FFmpeg]

#845: Artefacts with Indeo 4
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             Reporter:  cehoyos     |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  indeo4      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by ami_stuff):

 > bidirection prediction
 >
 > {{{
 > volcano.avi
 > Indeo4_Q_Good_Bidirection_Prediction.avi
 > Indeo4_Q_Better_Bidirection_Prediction.avi
 > Indeo4_Q_Best_Bidirection_Prediction.avi
 > }}}

 The problem with bidiretion prediction starts to happen when I force
 keyframes every 4 frames or more, see attached files.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/845#comment:6>
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