[FFmpeg-trac] #7677(undetermined:reopened): Some converted video files fail miserably with Apple video players

FFmpeg trac at avcodec.org
Sat Jan 26 18:46:24 EET 2019


#7677: Some converted video files fail miserably with Apple video players
-------------------------------------+-------------------------------------
             Reporter:  forthrin     |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by forthrin):

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


Comment:

 Using `.mov` extension: `ffmpeg ... -profile:v baseline -level 3.0
 -pix_fmt yuv420p out.mov` gives the same problem, both in QuickTime on
 macOS 10.12 and on the iPod Nano 3rd generation.

 Adding `-video_track_timescale 23.98` or `-r 23.98` removes the problem,
 but they are not practical solutions, as you have to retrieve the input
 frame rate manually or by a script (`ffprobe`, etc.)

 Do you have a straight forward command line that solves the problem?

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Ticket URL: <https://trac.ffmpeg.org/ticket/7677#comment:31>
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