Mailinglist Archive: opensuse (1264 mails)

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Re: [opensuse] Again, trying to find a suitable video editor - trying ffmpeg and failing: jerky video output, good sound


On 11/03/2016 04:04, Carlos E. R. wrote:
ffmpeg -i "input-file.mpeg" -ss 00:20:00.00 -t 00:5:00.00 \
-map 0:0 -c:v libx264 -preset ultrafast -vf crop=1920:804:0:138 \
-c:a copy output-file_0.mkv

then -map 0:1 y luego map 0:2

And yes indeed, the video stream is choppy, but not the two audio
streams. This matches the results with ProjectX, that finds the video
unusable.
To merge two identical videos use ffmpeg -f concat -i textfile -c copy where textfile has lines "file video1" next line is "file video2" and so on. See:
https://trac.ffmpeg.org/wiki/Concatenate
Dave P

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