[FFmpeg-trac] #9255(avcodec:new): DNX120 Decoding is broken in FFMpeg and FFPlay (fine in AVID and Adobe Premiere)

FFmpeg trac at avcodec.org
Sat May 22 12:35:00 EEST 2021


#9255: DNX120 Decoding is broken in FFMpeg and FFPlay (fine in AVID and Adobe
Premiere)
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             Reporter:  FranceBB    |                    Owner:  (none)
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  dnxhd race  |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by FranceBB):

 Yep, I can confirm that



 ffplay -i
 "/home/FranceBB/Downloads/20210429WiganvHullFCX_C921h25m29s09.mxf"
 -thread_type slice


 works

 [[Image(https://i.imgur.com/mhAMi0w.png)]]



 So... where do we go from here?
 I mean, for a quick encode I can easily put it there, but I think that
 there's something wrong with multithreading in the decoder at this point
 and it should be addressed in the future.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9255#comment:3>
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