[FFmpeg-user] buffer underflow (?)

[Reindl Harald]

Am 29.09.23 um 16:33 schrieb Mark Filipak:
> This is an ffmpeg architecture question, so I don't have a specific log.

but you have real outputs

> When concatenating involving only demuxing and muxing, I sometimes get
> "buffer underflow". Why underflow? It's not a real time process.

you are long enough on the list to know that copy&paste of the whole 
input/output is required