[pulseaudio-discuss] Gap, silence and latency

Tanu Kaskinen tanuk at iki.fi
Thu Mar 15 19:56:27 PDT 2012

On Thu, 2012-03-15 at 21:43 +0000, James Lee wrote:
> Tanu Kaskinen <tanuk <at> iki.fi> writes:
> > Regardless of any delays due to the underruns, Pulseaudio will report
> > the current latency to the client, and that latency information should
> > be used to synchronize the video playback with audio. If things get
> > permanently out-of-sync, then either the video player isn't using this
> > information properly, or the alsa driver is acting funny, leading to
> > incorrect latency information.
> Any other thoughts on this?  If there's any other info I can provide, please let 
> me know.  Thanks.

Well, how do you do the a-v sync? Do you actively monitor the audio
latency, or do you check it only at the beginning of the stream, or do
you ignore it altogether?


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