[MPlayer-users] using -ao pcm
Arpi
arpi at thot.banki.hu
Sun Oct 14 13:53:58 CEST 2001
Hi,
> On Sat, Oct 13, 2001 at 01:39:04PM +0200, Attila Kinali wrote:
> > On Fri, 12 Oct 2001 22:01:49 +0000 Dave Lawrence <dl at alphawave.net> wrote:
> > > > > I have been using
> > > > > mplayer -dvd 3 -vo null -ao pcm -hardframedrop
> > > > > to try and extract the audio from a DVD. But whenever '-ao pcm' is
> > > > > used, mplayer runs slower and slower making extraction completely
> > > > > impractical. Have I just missed something obvious?
> > What about using an /dev/dsp redirector ?
> A possibility, but would only rip at 1x... A fix to -ao pcm would be better
You must wait for it (if we can fix it, it would be 1x too)
MPlayer's current A-V sync code uses audio card as timebase. but ao_pcm
isn't an audio card, so it has no timer -> mplayer's timing is fucked up.
we should implement video-based and rtc-based timing, and also audio-only
playback. but you must wait (or do it yourself), it's at low priority.
btw
if you need audio of ac3 or mpeg stream, whu don't you use -dumpaudio,
and use mpg123 or ac3dec to convert it to wav ?
A'rpi / Astral & ESP-team
--
mailto:arpi at thot.banki.hu
http://esp-team.scene.hu
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