[pulseaudio-discuss] [RFC] Passthrough support

[pl bossart]

>> 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.

To make things clearer I would add the sampling rate as a mandatory
property in the RFC. the number of channels may be unknown before you
actually decode, and for an IEC format the number of channels seen by
PA is 2...
-Pierre