Mailinglist Archive: opensuse (1264 mails)

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Re: [opensuse] Cutting video files in half
  • From: pit <P.Suetterlin@xxxxxxxxxxxx>
  • Date: Sat, 17 Jun 2017 12:46:11 +0100
  • Message-id: <20170617114611.GA18052@speedy>
Carlos E. R. wrote:

ffmpeg -i "inputfile.ext" -ss 00:00:00 -t 01:00:0 -map 0:0 -map 0:1 -map 0:2
-c:v copy -c:a copy "output_file_part_1.ext"

This will cut one hour from the start point. For the second hour:

ffmpeg -i "inputfile.ext" -ss 01:00:00 -t 01:00:0 -map 0:0 -map 0:1 -map 0:2
-c:v copy -c:a copy "output_file_part_2.ext"

I have not tested any of both lines, but I believe they are correct, because
they are similar to other lines I use for cutting sections.

I first thought the same (I think the -map and separate -c: options are not
needed, just -c copy should do it).

Issue is, this does cut on Iframes, so there is a chance you lose one complete
coding block....

ffmpeg is 'good' for this only if you want the parts to be valid movie files.
Else the split solution is indeed the way to go...

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