[FFmpeg-devel] [PATCH] ALSA for libavdevice

Luca Abeni lucabe72
Tue Jan 20 09:25:42 CET 2009

Hi Nicolas,

On Mon, 2009-01-19 at 21:02 +0100, Nicolas George wrote:
> Hi.
> After a few weeks of delay, here is the updated version of the ALSA patch.
> The state of affairs was this: Michael had said "ok, if someone has tested",
> but it then appeared that it hangs with the dsnoop plugin.
> Luca: can you confirm it works using -i hw?

I tested your previous version with -i hw, and it worked fine on debian
unstable. I hope to find some time for repeating the test this evening,
but I guess it will still work ;-)

So, I hope this can go in svn soon...
One only important doubt: what happens if the alsa library installed on
the system does not provide snd_pcm_htimestamp()? Is alsa compilation
disabled by configure, or will the build fail? I think this is very
important in order to avoid a storm of "rxxx broke ffmpeg compilation on
my system" (AFAICS, many linux distributions do not provide


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