[pulseaudio-discuss] [PATCH] sample-rate changes in module-rtp-recv

pl bossart bossart.nospam at gmail.com
Mon Apr 5 18:30:34 PDT 2010

On Mon, Apr 5, 2010 at 4:25 PM, Mark Brown <broonie at sirena.org.uk> wrote:
> On Mon, Apr 05, 2010 at 02:23:50PM -0500, pl bossart wrote:
>> Ideally we should enforce a stronger smoothing on the time estimation,
>> there's no reason why such variations should occur. I forced the
>> smoothing history to 20s, maybe there's a better way to do this.
> FWIW a lot of impleementations seem to struggle to keep track of time
> properly over silence periods so it's worth resetting things whenever
> you get one.  Adapting the jitter buffer depth rather than the sample
> rate also helps if the source is having difficulty - it can be due to
> network issues, and this does absorb changes up and down without needing
> to be too smart.

Agree, the sample-rate changes should only be there to take care of
long-term differences between local audio time and remote network time
reference. Even 1% deviation on sample-rate is huge....

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