Reimar Döffinger <[email protected]> added the comment:

On Fri, Oct 08, 2010 at 07:09:40AM +0000, BlueZero wrote:
> Just want to ask if it can (will) be corrected. Or do i have to find 
> another solution? Thanx

According to the file format definition, ipod does not support
variable frame rate.
However your input is not constant framerate.
In order to still keep the timing exact, ffmpeg encodes the video
at 30000 fps.
Both specifying an encoding frame rate with -r or using -vsync 0
avoids the issue.
I guess FFmpeg should at least warn before doing something as
crazy.

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FFmpeg issue tracker <[email protected]>
<https://roundup.ffmpeg.org/issue2234>
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