[pulseaudio-discuss] PA re-sampling and mute/unmute query

[Himanshu Chug]

yeah, Thanks Colin :)

BR,
Himanshu

On Thu, Jun 30, 2011 at 2:25 PM, Colin Guthrie <gmane at colin.guthr.ie> wrote:

> 'Twas brillig, and Himanshu Chug at 30/06/11 09:32 did gyre and gimble:
> >
> > On Wed, Jun 29, 2011 at 10:06 PM, Tanu Kaskinen <tanuk at iki.fi
> > <mailto:tanuk at iki.fi>> wrote:
> >
> >     These questions seem to have gone unanswered...
> >
> >
> >
> > Thanks Tanu :) for the reply.
> > I understand you and other senior members are busy with new release
> > activities and patch integrations, as seen from group activity,
> > thanks again for the reply and clarifications :)
>
> Yeah sorry, I seemed to have missed the questions initially too. Thanks
> Tanu :)
>
> > one question here is, How to find out what sampling-rate that an
> > particular sink (e.g ALSA) is configured to ?
> > or in other words , how PA knows sampling-rate configuration of an sink
> > (any sink API's ? )? so that PA starts re-sampling to that particular
> > sample-rate.
>
> So sink input and sinks both have "sample specs" If the sample specs are
> not compatible (!pa_sample_spec_equal()) then we will do some form of
> resampling.
>
> From the client api you can see the resample method via the
> pa_sink_input_info struct:
>
> http://freedesktop.org/software/pulseaudio/doxygen/structpa__sink__input__info.html
>
> Internally you can just check to see whether there is a resampler in the
> thread_info of the pa_sink_input object (just look in sink-input.c for
> examples of this), or the requested_resample_method or
> actual_resample_method elements of the pa_sink_input object.
>
> Hope that answers the question :)
>
> Col
>
>
>
>
>
>
>
> --
>
> Colin Guthrie
> gmane(at)colin.guthr.ie
> http://colin.guthr.ie/
>
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