Pulse: use async API instead of simple API
Null driver: no audio driver with accurate timing
Add latency setting to alsa, pulse and android drivers
android: start and stop AudioTrack on audiobackend init/term
Simplify audiostream. Get rid of "none" option
This commit introduces PulseAudio support using PulseAudio's "Simple
API".
The PulseAudio backend will be included during compilation if
USE_PULSEAUDIO is defined.