[FFmpeg-trac] #4990(avfilter:reopened): fieldmatch+decimate duplicate frames with yuv

FFmpeg trac at avcodec.org
Wed Aug 31 18:13:41 EEST 2016


#4990: fieldmatch+decimate duplicate frames with yuv
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             Reporter:  nullb       |                    Owner:
                 Type:  defect      |                   Status:  reopened
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  pullup      |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
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Changes (by cehoyos):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 I still see the same issue as originally (badly explained here because I
 only understood later on), or perhaps originally after Nicolas' patch
 which is why I didn't close this ticket:
 Instead of dropping either the fourth or fifth frame (that are visually
 identical) of http://samples.ffmpeg.org/ffmpeg-
 bugs/trac/ticket4990/fieldmatched.avi, the first frame is dropped (because
 this is the default if no matching frames can be found).
 The question is now: Does the same happen with AVS (in which case this
 ticket is invalid, not fixed) or does AVS drop one of the visually
 identical frames (in which case this is a valid ticket)?

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4990#comment:4>
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