What's new in Ogg Vorbis 1.3.1
Mar 29, 2010
- This is a coordinated update of the audio libraries and tools to deploy improved surround-sound support across the libraries and toolchain.
- libao improvements:
- AO returned to active development
- Added surround channel mapping API and capability
- Updated all drivers on modern installs
- New config file options
- Driver options may be specified in config file
- Support for MacOSX updated to 10.5 and later
- Build in WMM driver rather than using dlopen()
- Added Roar Audio driver
- Added OpenBSD SNDIO driver
- Workaround for ESD non-4096 byte write bug
- Workaround aRts server crash bug
- Workaround for VIA82xx click/crackle bugs under ALSA
- Remove dead/unused drivers (solaris, alasa05, mmsound)
- Numerous patches from multiple downstreams
- libvorbis improvements:
- libVorbis 1.3.0 was briefly available as an unreleased staging snapshot. This official release bumps the version number to 1.3.1 to avoid any possible confusion.
- Optimized/coupled surround support for 5.1 encoding at 44.1/48kHz
- Added encoder control call to disable channel coupling
- Corrected an overflow bug in very low-bitrate encoding on 32 bit machines that caused inflated bitrates
- Numerous API hardening, leak and build fixes
- Correct bug in 22kHz compand setup that could cause a crash
- Correct bug in 16kHz codebooks that could cause unstable pure tones at high bitrates