[FFmpeg-user] Parameters for "framerate" and "keyframe interval"?

Ben bxstover at yahoo.co.uk
Fri Oct 26 12:41:35 EEST 2018

For video codec H.264 there are two parameters:

Framerate (e.g. 25 or 30 or 29,97)


keyframe interval (I guess measured in seconds after the last keyframe .e.g 50 or 200):

What are the corresponding cmdline parameters for ffmpeg?

How can I tell ffmpeg to use the same values as the input?

Thank you

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