[FFmpeg-user] Concatenating files - dropping audio

Ron Barnes rbarnes at njdevils.net
Tue Mar 5 16:15:24 EET 2019

Hiya Kieran!

Long time no speak!  You have been a great help to me over many moons.  Thank you!

I added the switch you recommended below and I am now generating an enormous amount of errors and they are all like the following....
It appears there is an issue with the audio streams.  Is there a way to fix this?

[mpegts @ 000001a6feb8e2c0] Non-monotonous DTS in output stream 0:7; previous: 12762813, current: 12757094; changing to 12762814. This may result in incorrect timestamps in the output file.



-----Original Message-----
From: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> On Behalf Of Kieran O Leary
Sent: Tuesday, March 5, 2019 8:41 AM
To: FFmpeg user questions <ffmpeg-user at ffmpeg.org>
Subject: Re: [FFmpeg-user] Concatenating files - dropping audio

On Tue, 5 Mar 2019, 13:19 Ron Barnes, <rbarnes at njdevils.net> wrote:

> Hello All,
> I'm trying to concatenate 49 m2ts files into a single m2ts file.  I 
> listed all the files in a text file and used the following command.
> ffmpeg -analyzeduration 100000M -probesize 100000M -f concat -safe 0 
> -i Concat.TXT -c copy Output_Full_Video.m2ts

Add -map 0 to command

ffmpeg -analyzeduration 100000M -probesize 100000M -f concat -safe 0 -i Concat.TXT -map 0 -c copy Output_Full_Video.m2ts


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