On 11/6/2017 2:08 AM, Carl Eugen Hoyos wrote:
ffmpeg -framerate 0.5 -i IMG_%3d.jpg -r 2 -codec:v mpeg4 temp.mp4
ffmpeg -i temp.mp4 -vf "framerate=fps=25" -codec:v mpeg4 out.mp4
You should be able to combine the command lines using the fps filter.
This does not produce the same result. The crossfade occurs over a 1.5
second period, and total output frames is ~30 more.
Adding 'zoompan=z=1:d=4:fps=2:s=WxH' before, works.
Gyan
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