[FFmpeg-user] Couple of newbie questions

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Nov 8 00:45:08 CET 2012

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

> On Wed, 7 Nov 2012 15:07:19 +0000 (UTC), Carl Eugen Hoyos
> wrote:
> >> Here it is:
> >> www.pastebin.com/raw.php?i=QbR1qYsB
> >
> >Unfortunately not;-(

You forgot to explain in this mail how you reproduce 
the problem.

> >The general rule is that you should not use external 
> >resources (they may disappear), but post all 
> >necessary information here, if you are using -report, 
> >a txt file makes sense.
> I know, but I wasn't sure readers would like to see those huge log
> files.

Well, I do;-)
(But I usually prefer default verbosity, it is imo a 
bug that we removed the filterchain from the default 


> ffmpeg -ss 0 -i output.joined.mpg -t 60 -c:v libx264 -c:a copy
> -loglevel verbose -report output.joined.libx264.1.mpg

It seems only FFmpeg likes the way it muxes x264 into 
mpeg-ps. (If this was reported before, I forgot about 

Otoh, given that all software I tested (except FFmpeg) 
failed with h264-in-evo, my first guess - that could of 
course be wrong - is that this is not a FFmpeg-related 


> ffmpeg -ss 0 -i output.joined.mpg -t 60 -c:v copy -c:a copy -loglevel
> verbose -report output.joined.nochange.2.mpg

The audio part seems to be a duplicate of Ticket #1720.
(I did not realize it is not WMP-specific.)

Carl Eugen

More information about the ffmpeg-user mailing list