[FFmpeg-trac] #2958(undetermined:new): Transcoding some iPhone camera roll videos outputs excessive frame-rate

FFmpeg trac at avcodec.org
Fri Sep 13 19:39:30 CEST 2013


#2958: Transcoding some iPhone camera roll videos outputs excessive frame-rate
-------------------------------------+-------------------------------------
             Reporter:  nealzebub    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  mov          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by rmk):

 The video is indeed VFR. Looking at the sample to time table, one can see
 sample durations that vary between 23,x and 30 FPS.

 Seems to be a known issue:
 https://discussions.apple.com/thread/2480522?start=0&tstart=0

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2958#comment:2>
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