[FFmpeg-user] Right way to extract and recombine audio/video streams?

[Carl Eugen Hoyos]

Gilles <codecomplete <at> free.fr> writes:

> [C:\]ffmpeg.exe -i input.flv -c:v copy -an output.m4v

You cannot mux Sorenson Flash ("flv1") into a iDevice 
file ("m4v"), your iPhone / iPad would not play the 
resulting file.
You should also not mux Sorenson Flash into mov, it 
is not defined afaik.

Carl Eugen