[FFmpeg-user] concatenating mp4 (non-h464) using mpegts

[Carl Eugen Hoyos]

Konrad Karl <kk_konrad <at> gmx.at> writes:

> tried to concatenate several mp4 files w/o reencoding (they all come
> from kdenlive using the same export settings) using mpegts as 
> intermediate format but I failed - see below.

Stream copying ASP into a transport stream is not supported, 
this is a very old feature request.
(And yes, it is a bug imo that FFmpeg does not show an error message 
if you try something unsupported.)

Carl Eugen