[Libav-user] How to control ffmpeg's key-frame generation?

[Carl Eugen Hoyos]

Quy Pham Sy <phamsyquybk at ...> writes:

> I'm making a segmenter that intervene ffmpeg's write_frame 
> function and write output data to separate files. Each 
> segmented file contains segment of about 3 seconds video.

It is possible that your questions are answered 
in the fine documentation:
http://ffmpeg.org/ffmpeg-formats.html#segment_002c-stream_005fsegment_002c-ssegment

Carl Eugen