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PulseAudio

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

www.freedesktop.org

Recent Activity

rtp: Add a GStreamer-based RTP implementation
Arun Raghavan: This adds a GStreamer-based RTP implementation to replace our own.

rtp: Drop support for non-L16 media
Arun Raghavan: There doesn't seem much value in supporting streaming U8/mulaw/alaw on the network, and it's unlikely these get any testing.

rtp: Make init return a value for success/failure
Arun Raghavan: This will be used in the future when writing other RTP implementations that can fail on init.

Update NEWS
Tanu Kaskinen: The release notes, on which the NEWS file is based on, weren't complete at the time of release.

Activity Earlier In The Year

add script to collect information for bug reports
Russell Treleaven

atomic: fix load and store for armv7 and higher
Thomas Hutschenreuther: The original atomic implementation in pulseaudio based on libatomic stated that the intent was to use full memory barriers. According to [1], the load and store implementation based on gcc builtins matches sequential consistent (i.e.

meson: Add running-from-build-tree option
Arnaud Rebillout

meson: Add support for gcov
Arnaud Rebillout: Unlike autotools, we use the option --coverage, which is a synonym for-profile-arcs and -ftest-coverage (when compiling) and -lgcov (when linking).

meson: Add ORC support
Arnaud Rebillout

meson: Add udevrulesdir option
Arnaud Rebillout

meson: Add systemduserunitdir option
Arnaud Rebillout

test-daemon: No need to define dl-search-path
Arnaud Rebillout: There's already a hook that modifies the search path when run from the build tree. if (pa_run_from_build_tree()) { pa_log_notice("Detected that we are run from the build tree, fixing search path."); #ifdef MESON_BUILD c->dl_search_path = pa_xstrdup(PA_BUILDDIR PA_PATH_SEP "src" PA_PATH_SEP "modules"); #else c->dl_search_path = pa_xstrdup(PA_BUILDDIR); #endif } else I'm not sure how it works behind the hood, but by setting--dl-search-path, we get errors in the logs when running `make check-daemon`: E: [pulseaudio][daemon/ltdl-bind-now.c:75 bind_now_open()] Failed to open module /home/arno/proj/pulse/src/pa.up/src/.libs/.libs/module-native-protocol-unix.so: /home/arno/proj/pulse/src/pa.up/src/.libs/.libs/module-native-protocol-unix.so: cannot open shared object file: No such file or directory I: [pulseaudio][pulsecore/module.c:197 pa_module_load()] Loaded "module-native-protocol-unix" (index: #3; argument: ""). So basically, PA tries two paths, fails the first time (obviously we can see the path is not correct), then tries again with another path (where does it gets it?) and succeeds.

i18n: Don't compile with -ffast-math
Felipe Sateler: This flag results in calls to (at least) isfinite() and isnan() becoming skipped, and a constant false returned.

remap: support S32NE work format
Sascha Silbe: So far PulseAudio only supported two different work formats: S16NE if it's sufficient to represent the input and output formats without loss of precision and FLOAT32NE in all other cases.

PulseAudio Release Tags

build-sys: Bump version info for libpulse
Arun Raghavan: Minor implementation change since last release (we now load X11 properties only for SSH connections).

build-sys: autotools: Add meson build files to EXTRA_DIST
Arun Raghavan: As we currently still generate our tarballs using autotools, let's make sure the meson build system is distributed with the tarball.

build-sys: Bump libpulse soversion
Arun Raghavan: We've added new API and updated an enum.

PROTOCOL: Bump to version 33
Arun Raghavan: Required for the addition of new pa_encoding_t values.

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

meson: Add optional libsamplerate support
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meson: Add optional SoX Resampler support
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meson: Add optional GLib support
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meson: Add optional legacy-database-entry-format support
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meson: Add optional IPv6 support
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meson: Add optional Async NS support
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remap: support S32NE work format
Sascha Silbe: So far PulseAudio only supported two different work formats: S16NE if it's sufficient to represent the input and output formats without loss of precision and FLOAT32NE in all other cases.

atomic: fix load and store for armv7 and higher
Thomas Hutschenreuther: The original atomic implementation in pulseaudio based on libatomic stated that the intent was to use full memory barriers. According to [1], the load and store implementation based on gcc builtins matches sequential consistent (i.e.

meson: Add running-from-build-tree option
Arnaud Rebillout

meson: Add optional libpulse-mainloop-glib
Arnaud Rebillout

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