[MPlayer-users] Latest SVN audio sync & high cpu usage with channels=6

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Sep 24 23:14:11 CEST 2009


Jesús Guerrero <i92guboj <at> terra.es> writes:

> >> You could try:
> >> -demuxer lavf -channels 6
> 
> It takes oss by default, only music and sound no voices (probably it mess
> up 5.1, that's why).

What about CPU usage?
ALSA problems are often the reason for performance problems.

> >> -channels 6 -ac -a52,
                       --^--
> 
> ==========================================================================
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
> ==========================================================================
> ==========================================================================
> Cannot find codec for audio format 0x2000.
> Audio: no sound

Very hard to believe ...

> >> -channels 6 -ao oss
> 
> Channels messed up with oss, no voices only music and effects, so I don't
> know whether it syncs or not.

You see that in MPlayer's status line ("A-V").

Carl Eugen



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