Lossless Video Trimming with FFmpeg

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thx for the -codec copy tip. I was too lazy to read through man pages of ffmpeg to figure out that omitting the codec attribute leads to actually encoding the trimmed video by default.

artihlec
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Do you mind if I make a copy of this only for my use?
I saw BigBoy on its first run after rebuild but was unable to get any viewable video. Yours is great. BTW thanks for your tutorials; I have learned a lot from viewing them.

samspade
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Most of the time this works but I have this one clip that is 20:48 long and I try to copy from 0:00 to 20:30 and the resulting video is blank/black for the first 25 seconds though audio plays through it. I think I need to re-encode.

FringeWizard
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if you enter the code without "-codec copy" trimming process taking longer but the output video is less likely to be buggy.
I encountered some bugs with "-codec copy" and deleting these, did the trick.

birisi
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I don't have ffplay, how to install that?

BeccaVinesz
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Amazing, but how can we do this on Windows?

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