[FFmpeg-user] Intermittent error when segment files from concat

[Moritz Barsnick]

On Mon, Jan 16, 2017 at 14:52:09 -0600, Tung Tran wrote:
> *Could not write header for output file #0 (incorrect codec parameters ?):
> Invalid argumentStream mapping:*
> 
> but sometime it worked just fine, same command,
> Please give me some hits how to make it more stable.

You need to read all the messages:

> *[hls muxer @ 0x53f7800] no key URI specified in key info file*

That's an error you need to fix, I guess.

Moritz