[FFmpeg-user] Duplicate frame when use seek option.

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Sep 25 23:16:00 CEST 2014

tim nicholson <nichot20-at-yahoo.com <at> ffmpeg.org> writes:

> I have also found using vframes problematical in that 
> you tend to get inconsistent mvhd and mdhd atoms unless 
> you also use -shortest, while using -t is fine.

This doesn't sound familiar to me. Did you report this?

> Trying to understand why it should need to duplicate a 
> frame to get cfr though.

This is just the usual issue that the FFmpeg mov muxer 
can't do variable frame rate.

> Sounds like it could do with a patch.


Carl Eugen

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