[pulseaudio-discuss] New Module: module-lfe-lp
tanuk at iki.fi
Thu Mar 21 04:20:12 PDT 2013
On Thu, 2013-03-21 at 16:40 +0600, Alexander E. Patrakov wrote:
> 2013/3/21 Tanu Kaskinen <tanuk at iki.fi>:
> > On Wed, 2013-03-20 at 17:50 +0600, Alexander E. Patrakov wrote:
> >> Tanu: I am still waiting for your reply regarding the best way to do
> >> clickless rewinds in IIR filters (i.e. one of: "disallow rewinds",
> >> "keep full history of the intermediate state", or some creative
> >> solution).
> > Oh, I didn't realize that a reply was needed. Your description of the
> > problem and the suggested solutions were pretty spot on.
> > Keeping a full history of the internal state would be the best solution,
> > as far as I can see. "Full" means
> > pa_memblockq_get_maxrewind(u->memblockq). Changes to the maxrewind value
> > can be caught in sink_input_update_max_rewind_cb().
> Is it guaranteed that, after a sink_input_update_max_rewind_cb() that
> communicates pulseaudio's decision to increase max_rewind, pulseaudio
> will not actually attempt to rewind that much until the filter has a
> chance to accumulate that much history?
Yes, that's guaranteed.
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