[pulseaudio-discuss] module-combine master parameter
lennart at poettering.net
Thu Mar 26 16:16:11 PDT 2009
On Thu, 26.03.09 20:43, Maarten Bosmans (mkbosmans at gmail.com) wrote:
> It looks like the parameter master for module-combine doesn't work, it
> gives an error upon loading the module. Only listing all the sinks
> under slaves works though. I wanted to update the documentation on
> http://pulseaudio.org/wiki/Modules#module-combine, but am not sure
> about the details. Is it just that specifying the master isn't
> necessary anymore?
Yes, that is the case. All "sub"-sinks are now treated the same.
> Without choosing a master sink the sample rate/type isn't correctly
> chosen. I found this out when I combined three 48000 Hz sinks and saw
> that the combined sink was somehow chosen to be the default 44100.
> With only a listing of sinks under slaves it is not always obvious
> which rate must be choosen, bute surely with three identical sinks the
> sample rate/type of the combined sink should be the same.
Currently the sampling rate of the combined sink is simply taken from
the server's default sampling rate or from the settings passed as
module arguments. But yes, for statically defined combined sinks
(i.e. those with a fixed list of "sub"-sinks) it might make sense to
deduce the sampling parameters from the "sub"-sinks at take the
"highest" of the settings of them for the combined sink.
Patches always welcome. Otherwise file a feature request bug and I
will look into it eventually.
Lennart Poettering Red Hat, Inc.
lennart [at] poettering [dot] net ICQ# 11060553
http://0pointer.net/lennart/ GnuPG 0x1A015CC4
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