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Old PulseAudio News

April 2009

January 2009

October 2008

September 2008

July 2008

April 2008

  • 2008-04-08: Lennart Poettering goes into detail what's up next with PulseAudio's new glitch-free playback model.

March 2008

January 2008

  • 2008-01-24: PulseAudio 0.9.9 has been released. The only change from 0.9.8 is a fix for CVE-2008-0008. An upgrade is highly recommended. (People using -NDEBUG should also check out this email.)

November 2007

October 2007

May 2007

February 2007

August 2006

  • 2006-08-26: The new tool PulseAudio Preferences 0.9.5 has been released.
  • 2006-08-26: PulseAudio Volume Control 0.9.4, PulseAudio Manager 0.9.3, PulseAudio Device Chooser 0.9.3 released
  • 2006-08-26: PulseAudio 0.9.5 released. Changes include: 
    * Add module-hal-detect, a module that detects all local sound hardware using <a href="http://freedesktop.org/wiki/Software_2fhal">HAL</a> and loads the necessary modules. Handles hot-plug and hot-removal of audio devices. (By Shahms E. King) 
* Add shared memory transfer method for local clients 
* Update module-volume-restore to automatically restore the output device last used by an application in addition to the volume it last used. 
* Add a new module module-rescue-streams for automatically moving streams to another sink/source if the sink/source they are connected to dies  
* Add support for moving streams "hot" between sinks/sources 
* Reduce memory consumption and CPU load as result of Valgrind/Massif profiling 
* Add new module module-gconf for reading additional configuration statements from GConf 
* Fix module-tunnel to work with the latest protocol 
* Miscellaneous fixes

July 2006

  • 2006-07-24: PulseAudio Volume Control 0.9.3 released.
  • 2006-07-24: PulseAudio Version 0.9.4 released. Changes include: 
    * Fix broken time event handling in the GLIB event loop adapter (0.9.3 shipped with a broken adapter for GLIB which caused tools like <a href="http://0pointer.de/lennart/projects/padevchooser/">padevchooser</a> to hang on startup. This fix solves the problem only half-way. To fix it wholly please   make sure to update <a href="http://avahi.org/">Avahi</a> to 0.6.12) 
* Some valgrind/massif results: halve memory consumption, make PulseAudio even more lightweight 
* Fix pkg-config files for AMD64
  • 2006-07-21: libao-pulse 0.9.3, xmms-pulse 0.9.3, gst-pulse 0.9.3 released.
  • 2006-07-21: PulseAudio 0.9.3 released. Changes include: 
    * add support for running the PulseAudio daemon as system-wide instance (See <a href="../Documentation/User/SystemWide/">System Wide Instance</a> for more information) 
* add authentication by IP address range ACL (`auth-ip-acl=`) 
* update FreeBSD compatibility 
* add support to set resource limits on platforms that support them and set some of them 
* remove `loopback=` argument for `module-*-protocol-tcp` since it is a superset of `listen=` and has an unexpected default 
* remove GLIB 1.2 event loop adapter 
* rework GLIB 2.0 event loop adapter to act as a single GSource, make it compatible with recursive main loops 
* add an API to check whether a source/sink is hardware or virtual 
* remove warning about SIGPIPE in client apps 
* improve latency calculation of NULL sink which allows it to be used for video playback 
* port Zeroconf code from the HOWL API to the native <a href="http://avahi.org">Avahi</a> API
  • 2006-07-08: PulseAudio Volume Control 0.9.2, PulseAudio Volume Meter 0.9.2, PulseAudio Manager 0.9.2, PulseAudio Device Chooser 0.9.2, libao-pulse 0.9.2, xmms-pulse 0.9.2, gst-pulse 0.9.2 released.
  • 2006-07-08: PulseAudio 0.9.2 released. Changes include: 
    * Rename project to PulseAudio (see <a href="http://0pointer.de/blog/projects/pulse.html">this blog article</a> for an explanation) 
* increase maximum number of concurrent connections 
* fix latency interpolation 
* add support for reverse endian sound cards 
* add support for recording in padsp 
* reenable CPU load limiter 
* other bugfixes

June 2006

  • 2006-06-02: Version 0.9.1 released. Changes include: 
    * load modules even when libtool `.la` files are missing 
* generate better ALSA device names from `module-detect` 
* if an ALSA device doesn't support the requested number of channels or the frequency, accept what ALSA suggests instead 
* AMD64 portability 
* drop `.sh` suffix of `esdcompat.sh` 
* build system fixes No API or ABI changes were made

May 2006

  • 2006-05-26: Version 0.9.0 released. Changes include: 
    * new module `module-volume-restore` 
* new OSS API emulation tool `padsp` 
* require valid UTF-8 strings everywhere 
* properly support ALSA channel maps for surround sound 
* increase maximum number of channels per stream to 32 
* add new threaded main loop API for synchronous programs 
* introduce real shared object versioning 
* a few API additions 
* many, many bugfixes

April 2006

  • 2006-04-28: Version 0.8.1 released. Changes include: 
    * support for specifying the channel map on the command lines of `paplay` and `pacat` and as arguments to the driver modules 
* ALSA hardware mixer compatibility 
* fix linking 
* properly remove `PF_UNIX` sockets when unloading protocol modules 
* fix sample cache 
* many other fixes
  • 2006-04-13: Version 0.8 released. Changes are too many to count - consider reading this blog entry for more information. Many, many minor fixes.

November 2004

  • 2004-11-21: Version 0.7 released; changes include: IPv6 support; PID file support; publish credentials in X11 root window (module-x11-publish; new tool pacmd; ESOUND backend; new command load-sample-dir-lazy; many, many minor fixes.

October 2004

  • 2004-10-28: Version 0.6 released; changes include: TCP wrappers support; don't load the complete sound file into memory when playing back using pa_play_file(); autoload API change; don't load all sound files as FLOAT32; shorten default buffers; client-side latency interpolation; add new user volume metrics; add module-tunnel, module-null-sink, module-match and new tool paplay; new API version macros; many client API improvements; correctly lock cookie file generation; correctly lock daemon autospawning; print daemon layout to STDERR on SIGHUP; new options for pacat: allow sample type specification.

September 2004

  • 2004-09-24: Version 0.5.1 released; changes include: improve esound protocol compatibility; fix autospawning via libesd; make use of POSIX capabilities; allow SCHED_FIFO scheduling only for users in group realtime; minor build system fix.
  • 2004-09-20: Version 0.5 released; changes include: extensive API improvements, new module module-combine for combining multiple sound cards into one, gcc 2.95 compatibility, configuration files, add "lazy" samples, support for source and network latency measurements, add module-pipe-source, many other fixes and improvements.
  • 2004-09-08: Version 0.4 released; changes include: daemon auto spawning, support for SCHED_FIFO scheduling, three new modules, proper logging, CPU load watchdog, many fixes.

August 2004

  • 2004-08-27: Version 0.3 released; changes include: support for both glib 2.0 and glib 1.2, future cancellation, API updates, many fixes, relicense client library to LGPL.
  • 2004-08-20: Version 0.2 released; changes include: added sample cache, introspection API, client API documentation, module autoloading, glib support, a module for intercepting X11 bell events, and much more.

July 2004