* Re: [FFmpeg-devel] FFmpeg command to trim lavfi ignores start
@ 2023-01-11 17:58 Aziz Berkay Yesilyurt
0 siblings, 0 replies; 2+ messages in thread
From: Aziz Berkay Yesilyurt @ 2023-01-11 17:58 UTC (permalink / raw)
To: ffmpeg-devel
I am sorry, this was the wrong list to ask this question.
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* [FFmpeg-devel] FFmpeg command to trim lavfi ignores start
@ 2023-01-11 17:52 Aziz Berkay Yesilyurt
0 siblings, 0 replies; 2+ messages in thread
From: Aziz Berkay Yesilyurt @ 2023-01-11 17:52 UTC (permalink / raw)
To: ffmpeg-devel
Hi there,
I have a simple command to generate a video clip using lavfi and trim it
using the trim filter.
ffmpeg -f lavfi -i color=blue@1:640x480:d=60,format=rgba
-filter_complex "[0]trim=start=4.0:end=5.0[s0]" -map "[s0]" -y
trim.mp4
I expect that the output video should be 1 second long, since the
start is 4 and the end is 5, but it is 5 seconds.
Modifying the end parameter changes the duration, but modifying the
start parameter has no effect.
Could someone explain to me what is going on?
Thanks,
Aziz
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