[FFmpeg-user] Converting video to MP4 through pipes

[Carl Eugen Hoyos]

Carl Eugen Hoyos <cehoyos <at> ag.or.at> writes:

> Thierry Florac <thierry.florac <at> onf.fr> writes:
> 
> >   [mp4 @ 0xc88200] muxer does not support non seekable output
> >   Could not write header for output file #0 (incorrect codec
> >   parameters ?)
> > 
> > Any idea about how to solve this ?
> 
> There is no way to solve it

Actually, there is;-)

Use either -frag_duration or -frag_size to allow writing 
mov (mp4) files to a pipe.

Carl Eugen