AE: Start of planar format internally
AE: register callback for all audio settings
AE: Make sure to reinit and to avoid races cause of sleeping
AESinkALSA: drop unneeded member
ffmpeg: add methods to the interface needed for resampling
AE: add engine ActiveAE wip
ActiveAE: Make Factory aware of environment, change global namespace
ActiveAE: Fix return value of Resampler and Interface
ActiveAE: Visit Constructor (initialize field - don't touch the state machine)
ActiveAE: Don't get without Getting anything
ActiveAE: return bool, but setter could also be void anyways
ActiveAE: Use void for setter
ActiveAE: return something
AE: set alsa to prepared after drain
ActiveAE: fixing round