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PulseAudio

PulseAudio is an open-source multi-OS network sound server commonly used by modern Linux distributions.

www.freedesktop.org

Other Activity This Week

volume: improve documentation
Tanu Kaskinen: Changes: - Mention that source outputs have volume too. - Don't claim that most distributions have flat volumes enabled. - Volumes use a cubic scale, not logarithmic.- Reword the warning about using the conversion functions on hardware volumes.

Recent Activity

volume: improve documentation
Tanu Kaskinen: Changes: - Mention that source outputs have volume too. - Don't claim that most distributions have flat volumes enabled. - Volumes use a cubic scale, not logarithmic.- Reword the warning about using the conversion functions on hardware volumes.

qpaeq: change license from AGPL to LGPL v2.1
Tanu Kaskinen: This removes one unnecessary exception in the PulseAudio licensing terms.

bluez: Don't autodetect MTU by default
Arun Raghavan: This breaks a lot of headsets, so disabling by default.

padsp: Make it compile on musl
Khem Raj: break assumptions on glibc and there is no stat64 on non glibc C libraries

NEWS: add GNU Hurd support
Tanu Kaskinen: For some reason this was left out when copying the feature list from the release notes.

Activity Earlier In The Year

echo-cancel: don't set latency range if the device doesn't support dynamic latency
Tanu Kaskinen: pa_sink/source_set_latency_range() has an assertion that is triggered when setting the latency range on a fixed latency device.

solaris: Support building on GNU Hurd
David Michael

alsa: make priority of the port headset-mic higher than headphone-mic
Hui Wang: There are two reasons for this change: 1.

virtual sources and sinks: Don't double attach a sink input or source output on filter load
Georg Chini: When a filter is loaded and module-switch-on-connect is present, switch-on-connect will make the filter the default sink or source and move streams from the old default to the filter.

bluez5-device: Correctly handle suspend/resume cyle for audio gateway role of ofono backend
Georg Chini: When the ofono backend released a tranport during suspend of sink or source, the transport state was not changed to IDLE.

jack-sink: fix latency calculation
Tanu Kaskinen: The compiler warned about number_of_frames being possibly used uninitialized, and on closer inspection I found that it was indeed not initialized if saved_frame_time_valid is false. In commit fe70b9e11a "source/sink: Allow pa_{source, sink}_get_latency_within_thread() to return negative values" the number_of_frames variable was added as an unsigned version of the l variable, and number_of_frames partially replaced the l variable.

sink: Add portable form factor priority (450)
Christian Kellner: The 'portable' form factor was currently missing meaning it is not getting any form-factor priority at all and it would therefore always be ranked lower then internal devices (which receive 400 form factor priority).

loopback: Implement underrun protection
Georg Chini: The latency controller will try to adjust to the configured latency regardless of underruns.

filter-apply: Add ability to pass parameters to a filter module
KimjeongYeon: Currently passing parameters to a filter loaded by module-filter-apply is not possible. To enable passing parameters to a filter this patch uses an additional property filter.apply.{MODULE_NAME}.parameters.

loopback: Calculate and track minimum possible latency
Georg Chini: With the current code, the user can request any end-to-end latency.

PulseAudio Release Tags

Update NEWS for 8.0
Arun Raghavan: ### PulseAudio 8.0 Changes at a glance: - Automatic routing more likely to change profile - OS X and NetBSD support improvements - Systemd journal logging for clients - New LFE balance programming interface - Module-dbus-protocol improvements - More flexible configuration file handling - pulsecore-8.0.so moved to a private directory - New script for measuring memory consumption - Various bug fixes and small improvements Detailed change log:

Update NEWS for 7.0 release
Arun Raghavan: ### PulseAudio 7.0 Changes at a glance: - LFE channel synthesis with low-pass filtering - New libsoxr based resamplers - Socket activation support for TCP - The "srbchannel" IPC mechanism enabled by default - More flexible jack detection support when using UCM - Exiting due to SIGTERM isn't considered a failure - Better support for Creative SoundBlaster Omni Surround 5.1 Detailed change log:

build-sys: add sb-omni-surround-5.1.conf to Makefile.am
Tanu Kaskinen: This is needed to get the file included in the release tarballs.

Revert "launch: Disable autospawn by default when systemd daemon support is enabled."
David Henningsson: This reverts commit 7276faca72e9696d4891daff139aee52509f43bf. Using the new systemd socket activation for PulseAudio will cause PulseAudio to not have any connection with D-Bus, breaking device reservation protocol, module-jackdbus-detect and module-dbus-protocol.

suspend-on-idle: Fix monitor source handling
Tanu Kaskinen: Fixes a crash that happened due to calling pa_source_check_suspend() when d->source was NULL. ### PulseAudio 5.0 Changes at a glance: - BlueZ 5 support (A2DP only) - Reimplementation of the tunnel modules - Native log target support for systemd-journal - Resampler refactoring - --monitor-stream option for parecord and parec - "latency_msec" argument for module-rtp-recv - "inhibit_auto_suspend" argument for module-rtp-send - "auto" argument for module-tunnel-sink and module-tunnel-source - Removed module-bluetooth-proximity - Jack detection for line out - Laptop internal surround speaker volume support - Improved float->s16 and s16->float sample conversion for ARM NEON - "Available" flag for card profiles - Removed module-dbus-protocol from the default configuration - Lots of other enhancements, bug fixes, and documenation and i18n updates Detailed change log:

build-sys: Bump soname
Arun Raghavan: We dropped pa_format_info_free2 as an exposed symbol, but this was never exposed via headers, so not counting this as ABI change.

Most Popular This Year

remove module-xenpv-sink
Tanu Kaskinen: The module doesn't build any more[1], and when starting to investigate the build failure, I asked the module author if he'd know something about the breakage.

raop: add compatibility with openssl 1.1.0
Tanu Kaskinen: Openssl 1.1.0 made all structs opaque, which caused a build failure in raop_client.c.

protocol-native: Don't signal memfd support for 9.0 clients
Ahmed S. Darwish: Although such 9.0 clients support memfd transport, they have an iochannel bug that would break memfd audio if they're run in 32 bit mode over a 64-bit kernel.

backend-native: add support for the HSP Headset role
Wim Taymans: This is a rebase of Wim Taymans patch to support the HSP headset role that has somehow been forgotten.

LICENSE: add a note about qpaeq being licensed under AGPL
Tanu Kaskinen

bluetooth-policy: do A2DP profile restoring a bit later
Tanu Kaskinen: This fixes a crash that happens if the bluetooth headset is the only non-monitor source in the system and the last "phone" stream dies.

pacat: Write to stream only in frame-sized chunks
Ahmed S. Darwish: Current pacat code reads whatever available from STDIN and writes it directly to the playback stream.

loopback: Initialize latency at startup and during source/sink changes
Georg Chini: The current code does not make any attempt to initialize the end-to-end latency to a value near the desired latency.

filter-apply: Add ability to pass parameters to a filter module
KimjeongYeon: Currently passing parameters to a filter loaded by module-filter-apply is not possible. To enable passing parameters to a filter this patch uses an additional property filter.apply.{MODULE_NAME}.parameters.

sink: Add portable form factor priority (450)
Christian Kellner: The 'portable' form factor was currently missing meaning it is not getting any form-factor priority at all and it would therefore always be ranked lower then internal devices (which receive 400 form factor priority).

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