[FFmpeg-devel] Requesting video filter for forcing given output framerate
nicolas.george at normalesup.org
Fri Feb 24 00:12:56 CET 2012
Le quintidi 5 ventôse, an CCXX, Andrey Utkin a écrit :
> I request for advices, explanations, or actual help on this topic that
> i asked on IRC a couple of times.
> Once I've got such reply that libavfilter is not a right tool for this
> piece of functionality.
At first thought, it seems quite obvious, though: when you get a frame, you
compare its PTS with the next PTS your fixed framereate should generate, and
if it is later then you re-issue the previous frame as many times as
necessary (using the REUSE2 perm, probably).
There will probably be some issues with flushing the last frame. This is a
regular issue with lavfi.
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