[pulseaudio-discuss] [RFC] Passthrough support

Arun Raghavan arun.raghavan at collabora.co.uk
Tue Feb 22 11:30:54 PST 2011

On Tue, 2011-02-22 at 13:27 -0600, pl bossart wrote:
> >> Still, I am not clear about the negociation. the client would need to
> >> use pa_stream_new_extended with multiple formats, and then get the
> >> actual format with get_format_info. If my understanding is correct,
> >> then maybe you would need a list of formats instead of just one?
> >
> > Oh, indeed! That was the intention, but I guess I missed putting that in
> > the wiki. Fixed now.
> ok. Looks good.
> One last comment on proplists. If we don't define a set of mandatory
> elements, then it's going to be really hard to use this
> pa_stream_new_extended() routine. How will the client figure out what
> exactly it needs to send for each format?

I was thinking that his would basically develop as convention, though
the few basic properties (rate, channels) could be documented along with
the pa_encoding_t structure. We can document additional properties (for
example bitrate, if some sink ever needs it) as being optional but
recommended if available.

-- Arun

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