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I am trying to trim my videos in Virtualdub but I also wanted to make a stream copy of the same video that I am trimming. Unfortunately, Virtualdub does not always give me the results I want as it is always a few seconds off and I cannot stream copy the video as it does not always support the codecs that my video has. I hope that FFMPEG can do the job for me, but I do not know how to trim and cut in FFMPEG. How do you cut and trim in FFMPEG?

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ffmpeg parameters

  • -ss specifies the start time i.e. the 30th second of stream as 00:00:30
  • -t specifies the duration i.e. 10 second stream as 10
  • -to specifies the end time i.e. the 90th second of stream as 00:01:30

Note: Only -t will take effect if both -t and -to parameters are used.

Example script:

ffmpeg -i canada.mp4 -ss 00:00:30 -to 00:01:30 -c copy oneMinute.mp4

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  • Can you post an example of that script?
    – GAP
    Sep 17, 2021 at 10:57
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    ffmpeg -i canada.mp4 -ss 00:00:30 -to 00:01:30 -c copy oneMinute.mp4 and the result of ffprobe -i oneMinute.mp4 is Duration: 00:00:59.73, start: 0.333008, bitrate: 17036 kb/s
    – xer-rex
    Sep 19, 2021 at 8:54
  • So, it looks it need to learn how to use FFProbe and FFPlay. Thanks for the help.
    – GAP
    Sep 20, 2021 at 1:59

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