Ogg Vorbis Changelog

New in version 1.3.1

March 29th, 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