[FFmpeg-user] Split a video file in two by size and merge itback
j.docev at gmail.com
Thu Oct 17 14:26:01 EEST 2019
That's great advice!
I will definitely try it.
Thank you very much!
On Thu, 17 Oct 2019, 12:14 Moritz Barsnick, <barsnick at gmx.net> wrote:
> On Thu, Oct 17, 2019 at 03:44:49 +0200, Julien Dotsev wrote:
> > Actually every bit. I want to be able to bring back the original file
> > unchanged up to every bit. But every chunk playable.
> If you want not only the content (i.e. the stream), but also everything
> else including the container to be identical, I believe the best
> (perhaps only) choice is to use MPEG-TS as a container.
> In theory, you should be able to split MPEG-TS files at arbitrary
> bytes. I have bad experiences with that, but it works great at packet
> boarders, meaning your segments need to be exact multiples of 188
> bytes. This works great for all my players (ffplay, mplayer, mpv, VLC,
> and my Set Top Box), and the binary splits can of course just be
> reassembled to create the original file.
> I often cut my files on Linux with dd:
> $ dd if=input.ts bs=188 skip=10325 count=11877 of=output.ts
> but for equally sized files, you would use "split", e.g.:
> $ split --bytes=$((188 * 11877)) -d input.ts output.ts.
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