[FFmpeg-trac] #8590(undetermined:closed): 'telecine=pattern' error for p24, soft telecined sources

FFmpeg trac at avcodec.org
Fri Apr 3 15:23:52 EEST 2020


#8590: 'telecine=pattern' error for p24, soft telecined sources
-------------------------------------+-------------------------------------
             Reporter:  markfilipak  |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:  invalid
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by markfilipak):

 I did this:
 ffmpeg -i 23.976p.mp4 -vf "telecine=pattern=5" telecine=pattern=5.mkv

 When I play telecine=pattern=5.mkv via MPV, and I single-step, it is doing
 exactly what I expected and wanted.

 I did this:
 ffmpeg -i 23.976p.mp4 -vf "telecine=pattern=5,bwdif=mode=send_frame"
 telecine=pattern=5,bwdif=mode=send_frame.mkv

 The problem with telecine=pattern=5,bwdif=mode=send_frame.mkv is that in
 each 1/6sec, all 10 frames are being decombed instead of just the 2 frames
 that actually are combed.
 P P C P P P P C P P
 Decombing a progressive picture shouldn't do anything, but apparently it
 is (very slight). But so what?

 So, this 5-5-5-5 DOES appear to be doing what I want.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8590#comment:25>
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