[FFmpeg-user] [N-46469-gc995644] "Invalid duration specification for t: 00:60:00"?

[Carl Eugen Hoyos]

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

> No, the problem I have with the second file is that 
> there's no sound when it's played in VLC, while the 
> first file plays fine.

Do you get the same problem with the following command?
$ ffmpeg -i input.mp4 -vcodec copy -acodec copy FL.1.mp4

Does the output file play with ffplay or MPlayer?
Can you test WMP?

Carl Eugen