[FFmpeg-user] Problem with mp4 and concat filter

[Carl Eugen Hoyos]

Ingo Brückl <ib <at> wupperonline.de> writes:

> So how can I concatenate both files? ffmpeg is v2.8.6.

But only current git head is supported here;-(

Please provide the complete, uncut console output of 
both commands.

Carl Eugen