Thursday, 15 September 2011

hdr - ffmpeg: smooth, stable timelapse videos from normal speed videos -


For an hour-long dash of cam video, is it possible to make a smooth timelapse video from it?

About most of the tutorials online, I have learned about "Time-Elpacks + FFPAP" which is found in a time-time video with stable JPG files. These often cause fights between the frames, these are any special parameters that make the video look very smooth and beautiful; Stable?

Should I just move setpts = 0.5 * PTS to move? Should there be any near or less-known tricks?

Yes, it is specified in the same way.

ffmpeg -i input.mkv -filter: v "setpts = 0.5 * PTS" output.mkv

set also Expressions support if you feel creative and want to slow / slow down on a curve rather than a constant value.

Example: -filter: v "setpts = gauss (T / 100) * PTS"


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