[FFmpeg-user] Concat MTS problems

[Def Etienne]

> 
> On 11 Feb 2023, at 18:57, Alexander Gribanov <sunrisecoder at gmail.com> wrote:
> 
> Hello!
> 
> I have a camera which splits long recordings into files 2 Gb size...
> 
> How to concat them properly via ffmpeg?
> 
> I make text file files.txt like this:
> file '2022-12-30_00002.MTS'
> file '2022-12-30_00003.MTS'
> file '2022-12-30_00004.MTS'
> file '2022-12-30_00005.MTS'
> 
> And then use the following command:
> ffmpeg -f concat -safe 0 -i files.txt -c copy output.mts

Also paste the output of this command and try stitching to matroska  instead. 



> 
> The problem is that it doesn't stitch them seamlessly, but instead I feel
> like 1-2 seconds audio and video gap or so by playing concatenated video in
> MPC-HC...
> 

Did you try mpv/vlc?


> Is there any way to check, is it a concatenation problem or the files from
> the camera are broken?

> 
> Thank You very much in advance :)

Greetings 
Def