[Ffmpeg-devel] alsa input / output

Michael Niedermayer michaelni
Sat Mar 24 19:15:32 CET 2007


On Sat, Mar 24, 2007 at 10:57:33AM +0100, Reimar D?ffinger wrote:
> Hello,
> On Sat, Mar 24, 2007 at 09:58:40AM +0100, Luca Barbato wrote:
> > Reimar D?ffinger wrote:
> > > ALSA always creates flames because quite a few people feel that
> > > suboptimal design choices are made without the people involved
> > > recognizing the problems. Which is of course amplified by the fact that
> > > nobody here is well-informed about it ;-). Unfortunately it seems to me
> > > that all sound interfaces except maybe jack fully succeed in either making
> > > simple stuff very difficult (pulseaudio, ALSA) or making advanced stuff
> > > impossible (arts, esd) (or in the case of OSS having an outdated and
> > > often broken interface/drivers).
> > 
> > What about having jack support then ? =)
> Don't expect too much, but if you send your patch so I can have a look
> how to do it from the ffmpeg side I could give it a try, I should still
> remember a bit how to use jack from MPlayer.
> Btw. is there a ringbuffer implementation in ffmpeg that allows reader
> and write to be a different thread (aka. the lock-free
> partially-threadsafe variant)?

i dunno, check fifo.c/h if its not partially threadsafe, making it so is
welcome ...


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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