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

[Gilles]

On Thu, 2 May 2013 12:34:58 +0100, Tom Evans
<tevans.uk at googlemail.com> wrote:
>H264 goes in to many kinds of containers (mp4/mkv/ts/mov + more), but
>you don't have H264, you have flv1 - or at least, the file you were
>trying to use does not use H264, it uses flv1.

My mistake. So I justed the same container to hold just the video
stream. VLC now does show the correct length and I could edit the file
in AviDemux.

Thanks all for the infos.