[FFmpeg-trac] #4876(avcodec:open): DNx100 (DNxHD CID 1260) decode produces partially corrupted picture

FFmpeg trac at avcodec.org
Fri Sep 25 13:06:01 CEST 2015


#4876: DNx100 (DNxHD CID 1260) decode produces partially corrupted picture
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             Reporter:  jeremy      |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  dnxhd       |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
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Comment (by jeremy):

 I believe the above patch should have the correct zigzags for the DNx100
 compression IDs (1258, 1259 and 1260), and I've merged any that were
 already listed, however I've not tested this on anything other than the
 existing 1260 content.

 I noticed that the chroma table for 1256 (one of the high bitrate DNx444
 formats added last year) looked like it hadn't been zigzagged either, but
 the luma had - I've updated it, but don't have suitable content to test
 it. Does anybody else?

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Ticket URL: <https://trac.ffmpeg.org/ticket/4876#comment:11>
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