[pulseaudio-discuss] Does pulseaudo provide API to set the active port of a sink/source?

[Lu Guanqun]

On Tue, Sep 20, 2011 at 03:07:49PM +0800, Lin, Mengdong wrote:
> I want to switch to the loud speaker/mike (hand-free) during a phone call without unplugging my wired headset. And the wired-headset and speaker/mike are two ports of the ALSA sink/source on my platform.
> 
> Does PA provide an API that can to set the active port on a sink/source?
> I only found the API to set sink/source "pa_context_set_default_sink" but no API to set the port.

Check PROTOCOL file gives me back:

~~~~~
### v16, implemented by >= 0.9.15

new messages:

PA_COMMAND_SET_SINK_PORT
PA_COMMAND_SET_SOURCE_PORT
~~~~~

And the corresponding pa_context_set_sink_port_by_index is possibly what
you want.

-- 
guanqun