2018-02-08 11:52 GMT+01:00 Mikael Persson <[email protected]>:
> Hi, I want to sequentially parse a set of input videos and output all their
> keyframes in monotonic unbroken order...
>
> so videos a,b,c,d with 10 frames each should produce 0-50.jpg
>
> If thye videos where concatable and the concat process lossless I could do
>
> ffmpeg -f concat -i vids.txt concat.vid
> and then
> ffmpeg  vsync -skip_frame nokey -i concat.vid %06d.jpg
>
> But they arent, and it isnt...
>
> tips?

There is also a concat filter.

Carl Eugen
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