[FFmpeg-devel] [PATCH] thp: set duration

Derek Buitenhuis derek.buitenhuis at gmail.com
Sun Dec 16 02:43:27 CET 2012

On 15/12/2012 8:38 PM, Piotr Bandurski wrote:
> But we have framecnt and fps, so duration in seconds is just framecnt / fps.
> When I set duration to framecnt then I get correct result in seconds
> (it looks like FFmpeg divides automaticly the value by calculated fps).

This sounds like a horrible arcane thing to rely on. You should calculate
the duration properly using the time base, framerate, and frame count.

If ->time_base is not set, I think the default is AV_TIME_BASE or something.

Someone like Michael probably knows.

- Derek

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