- Fix handling EBADFD, EPIPE and short write when writing to the ALSA device.
- Experimental support for Mac OS CoreAudio.
- Provide a consistent API for accessing the different audio interfaces.
- Support for PulseAudio using the simple API.
- Support for ALSA.
- Support for OSS version 3 and later.
- Support for QSA.
- Support for XAudio2.