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libao 1.2.2+20180113-1
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1.2.1 - unreleased snapshot
 - no changes yet

1.2.0 - January 27, 2014
 - Added missing ao_file_extension() (see Trac #1841)
 - Fixed memory leak in ao_shutdown() (see Trac #1799)
 - Updated manpage libao.conf.5 (see Trac #1822)
 - Corrected doc/ao_play.html (see Trac #1808)
 - Latency adjustments
 - Implement PulseAudio client_name (see Trac #1924)
 - Other ALSA, Pulse, Roar, sndio and MacOS driver improvements

1.1.0 - February 21, 2011
 - Add autofoo ld symbol versioning to build system
 - Update Roar driver to latest API
 - Fix Roar driver to not block on SLP lookup during probe
 - Improve/correct latency setup in ALSA (see Trac #1762)
 - Add missing ctype.h header in build (see Trac #1760)
 - Move toward more consistent option naming across drivers
 - Fix Mac OS X AUHAL support to properly handle suspend/wakeup,
   headphone plug/unplug, other hardware events
 - Correct ao_example.c source to not pass dangling pointer for 
   the matrix argument.
 - Add 24 bit playback to Pulse plugin
 - Fix 24 bit playback in ALSA plugin
 - Fix segfaults when closing a driver that did not successfully open.
 - Fix compilation of sndio plugin
 - Fix building Mac OS X driver AUHAL compilation for 10.5,
   restore Mac OS X 10.4 support

1.0.0 - March 25, 2010
 - AO returns to active development
 - Added surround channel mapping API and capability
 - Update and test all drivers on modern installs
 - New config file options
 - Driver options may be specifid in config file
 - Support for MacosX < 10.5 dropped, driver modded to AUHAL
 - Build in WMM driver rather than using dlopen()
 - Added Roar Audio driver
 - Added OpenBSD SNDIO driver
 - Work around ESD non-4096 byte write bug
 - Work around aRts server crash bug
 - Workaround for VIA82xx click/crackle bugs under ALSA
 - Remove dead/unused drivers (solaris, alasa05, mmsound)
 - Numerous patches from multiple downstreams

0.8.8 - May 24, 2007
 - New win32 driver
 - Few fixes and changes in autotools and configuration files.

0.8.7 - unreleased snapshot
- obsolete alsa device renamed to alsa05
- the 'alsa' device now uses the 0.9/1.0 API
- ALSA driver fixes

0.8.6 - January 11, 2005
- Added Polypaudio driver(libao-polyp 0.4) 
  from Lennart Poettering <mzyvonbcbylc (at) 0pointer (dot) de>
- Use esd_close() in the esd driver
- Broaden sample rate tolerance in the OSS driver for nForce 
  compatibility

0.8.5 - March 19, 2004
- Support now for the ALSA 1.0 API
- Can build with --disable-esd option again
- Minor build fixes
- ALSA mmap() mode can be enabled/disabled at runtime using "use_mmap"
  option.
- Patch to OSS plugin to fix skipping issues with some drivers
  (like emu10k1).

0.8.4 - October 4, 2003
- Added AIX sound driver from Stefan Tibus <sjti@gmx.net>
- Committed some fixes from the Fink project to allow compiling on
  OS X (still with all the dlcompat stuff)
- Improvements in plugin detection code by David Walser, especially
  when ESD or aRts are present.
- NAS plugin from Antoine Mathys.
- Portability fixes for various platforms (including dlopen() bugs) 
  including HP-UX and *BSD.
- Memory/resource leak fixes
- Significant fixes to ALSA 0.9.x plugin by Kevin Cody, Jr.  This
  should fix stuttering audio for mpg321 users.  The
  --enable-alsa09-mmap option to ./configure turns on memory-mapped
  I/O.  Note this is an experimental feature and causes some problems
  with some sound card drivers and also users of the dmix software mixer.

0.8.3 - July 2002
- fix to ao.m4 macro
- minor alsa09 plugin updates
- fixes to irix plugin

0.8.2 - December 2001
- alsa09 plugin updated

0.8.0 - August 2000
- Major API rewrite.  Old apps and plugins will not work with this library!
- Default driver detection now works.
- /etc/libao.conf and ~/.libao config files now supported, see libao.conf man
  page for details.
- WAV files can now be piped to non-picky applications.  (Please don't
  complain if this fails.  You shouldn't be using be using WAV for this
  anyway.)
- Various portability fixes for Solaris and *BSD.

0.7.0 - June 2000
- minor build fixes for different platforms

0.6.0 - December 2000
- slight api modification with ao_append_option()
- fixed an option leak

0.5.0 - November 2000
- first official release under the Xiphophorus projects