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ffmpeg: why 2 video stream?
-map 0:0 leads to inclusion of one stream, -filter_complex "setpts=PTS-STARTPTS" leads to another. The filter_complex does NOT operate upon the initially mapped stream. Mapped video streams ...
- 32.6k
1
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ffmpeg - Prevent ffmpeg to skip frames
ffmpeg does not do sub-pixel overlay. Computed co-ordinates are truncated to integers.
The closest to getting a smooth result is to overlay a large PNG on a large background and then downscale the ...
- 32.6k
1
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Accepted
ffmpeg make 1s of 240fps video from 4s of 60fps?
The basic command would be
ffmpeg -i 60fps.mp4 -vf "settb=1/240,setpts=(PTS-STARTPTS)/4,fps=240" out.mp4
I assume audio is absent or immaterial.
- 32.6k
1
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ffmpeg : Copy all the streams (including cover art) except the first video stream from one MP4 file to another
As someone already replied, -map 0 is used to grab everything from the first given input, in your case -i toto1.mp4.
To achieve what you want you can remove a specific stream this way (notice the - ...
- 11
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