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------------------------------------------------------------------------
AudioLogic High Level APIs
------------------------------------------------------------------------
Testing: (from project directory bindings)
* start binder: ~/opt/bin/afb-daemon --ldpaths=./build --token=mysecret --roothttp=htdocs
* connect browser on http://localhost:1234?devid=hw:0
# Open Sound Card from its name
http://localhost:1234/api/audio/open?token=mysecret&sndname=H650e
# Subscribe event for a given board
http://localhost:1234/api/audio/subscribe?token=mysecret&devid=hw:0
# Increase Volume
http://localhost:1234/api/audio/setvol?token=mysecret&devid=hw:0&pcm=master&vol=50%
# Get Volume
http://localhost:1234/api/audio/getvol?token=mysecret&devid=hw:0&pcm=master
# Close Session
http://localhost:1234/api/audio/close?token=mysecret
Testing with afb-client-demo
```
~/opt/bin/afb-client-demo localhost:1234/api?token=mysecret
alsacore subctl {"devid":"hw:0"}
```
Start AlsaMixer and change volume
```
alsamixer -D hw:0
```
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