[FFmpeg-trac] #6023(avcodec:open): support Transfer characteristic in DPX encoder

FFmpeg trac at avcodec.org
Sat Jun 5 12:05:40 EEST 2021


#6023: support Transfer characteristic in DPX encoder
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             Reporter:  dave rice    |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  dpx          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Balling):

 https://patchwork.ffmpeg.org/project/ffmpeg/patch/20210601191828.6957-1-val.zapod.vz@gmail.com/

 I reimplemented Paul's patch with some fixes. No support for printing
 density (WTF is that anyway?) and log transfer, while one of the samples
 is actually LOG in FATE. Also this will oversaturate ffmpeg created
 samples as they all were writing linear rtransfer, but ffplay does not
 support this, so of course when patches to support decoding were merged...
 Anyway.

 Also this DOES not include any YCbCr stuff! Or WCG/HDR from new DPX
 standard.
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Ticket URL: <https://trac.ffmpeg.org/ticket/6023#comment:3>
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