Hi All:
I am thinking about how to implement sink/source automatic switching
policy in PA. For mobile device, it may have several output devices such as
speaker, wired headset, Bluetooth headset and so on.
People may want to audio stream automatically re-direct to new device
they plug in. For example, while I play a MP3 with embedded speaker I want to
the music automatically output through Bluetooth headset once I plug it in.
After a rough looking into the source, I think the mechanism used by
module-hal-detect.so, module-bluetooth-discover.so and "move-sink-input" could
help me to achieve the goal. That means a new module may be written.
But, the problem is different users may want different policies. For
instance, somebody may want to speaker automatically muted when wired headset
plugged in, while others may want speaker go on playing. So a new module is
hard to provide dynamic policy for different people because once it complied
all things are hard coding. A feasible way is the module reads in a configure
file to decide to provide what policy. I am afraid the configure file may make
things complicated so I consult you is there an easier way? Many thanks in
advance :)
Zhang Xin(Wing)
Intel, OTC ShangHai
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