3 Implemented a JACK playback backend.
5 Implemented the AL_EXT_BFORMAT and AL_EXT_MULAW_BFORMAT extensions.
7 Implemented the ALC_SOFT_HRTF extension.
9 Implemented C, SSE3, and SSE4.1 based 4- and 8-point Sinc resamplers.
11 Implemented a C and SSE based band-limited Sinc resampler. This does 12- to
12 24-point Sinc resampling, and performs anti-aliasing.
14 Implemented B-Format output support for the wave file writer. This creates
15 FuMa-style first-order Ambisonics wave files (AMB format).
17 Implemented a stereo-mode config option for treating stereo modes as either
18 speakers or headphones.
20 Implemented per-device configuration options.
22 Fixed handling of PulseAudio and MMDevAPI devices that have identical
25 Fixed a potential lockup when stopping playback of suspended PulseAudio devices.
27 Fixed logging of Unicode characters on Windows.
29 Fixed 5.1 surround sound channels. By default it will now use the side
30 channels for the surround output. A configuration using rear channels is
33 Fixed the QSA backend potentially altering the capture format.
35 Fixed detecting MMDevAPI's default device.
37 Fixed returning the default capture device name.
39 Fixed mixing property calculations when deferring context updates.
41 Altered the behavior of alcSuspendContext and alcProcessContext to better
42 match certain Windows drivers.
44 Altered the panning algorithm, utilizing Ambisonics for better side and
45 back positioning cues with surround sound output.
47 Improved support for certain older Windows apps.
49 Improved the alffplay example to support surround sound streams.
51 Improved support for building as a sub-project.
53 Added an HRTF playback example.
55 Added a tone generator output test.
57 Added a toolchain to help with cross-compiling to Android.
61 Implemented EFX Chorus, Flanger, Distortion, Equalizer, and Compressor
64 Implemented high-pass and band-pass EFX filters.
66 Implemented the high-pass filter for the EAXReverb effect.
68 Implemented SSE2 and SSE4.1 linear resamplers.
70 Implemented Neon-enhanced non-HRTF mixers.
72 Implemented a QSA backend, for QNX.
74 Implemented the ALC_SOFT_pause_device, AL_SOFT_deferred_updates,
75 AL_SOFT_block_alignment, AL_SOFT_MSADPCM, and AL_SOFT_source_length
78 Fixed resetting mmdevapi backend devices.
80 Fixed clamping when converting 32-bit float samples to integer.
82 Fixed modulation range in the Modulator effect.
84 Several fixes for the OpenSL playback backend.
86 Fixed device specifier names that have Unicode characters on Windows.
88 Added support for filenames and paths with Unicode (UTF-8) characters on
91 Added support for alsoft.conf config files found in XDG Base Directory
92 Specification locations (XDG_CONFIG_DIRS and XDG_CONFIG_HOME, or their
93 defaults) on non-Windows systems.
95 Added a GUI configuration utility (requires Qt 4.8).
97 Added support for environment variable expansion in config options (not
98 keys or section names).
100 Added an example that uses SDL2 and ffmpeg.
102 Modified examples to use SDL_sound.
104 Modified CMake config option names for better sorting.
106 HRTF data sets specified in the hrtf_tables config option may now be
107 relative or absolute filenames.
109 Made the default HRTF data set an external file, and added a data set for
110 48khz playback in addition to 44.1khz.
112 Added support for C11 atomic methods.
114 Improved support for some non-GNU build systems.
118 Fixed a regression with retrieving the source's AL_GAIN property.
122 Fixed device enumeration with the OSS backend.
124 Reorganized internal mixing logic, so unneeded steps can potentially be
125 skipped for better performance.
127 Removed the lookup table for calculating the mixing pans. The panning is
128 now calculated directly for better precision.
130 Improved the panning of stereo source channels when using stereo output.
132 Improved source filter quality on send paths.
134 Added a config option to allow PulseAudio to move streams between devices.
136 The PulseAudio backend will now attempt to spawn a server by default.
138 Added a workaround for a DirectSound bug relating to float32 output.
140 Added SSE-based mixers, for HRTF and non-HRTF mixing.
142 Added support for the new AL_SOFT_source_latency extension.
144 Improved ALSA capture by avoiding an extra buffer when using sizes
145 supported by the underlying device.
147 Improved the makehrtf utility to support new options and input formats.
149 Modified the CFLAGS declared in the pkg-config file so the "AL/" portion of
150 the header includes can optionally be omitted.
152 Added a couple example code programs to show how to apply reverb, and
155 The configuration sample is now installed into the share/openal/ directory
156 instead of /etc/openal.
158 The configuration sample now gets installed by default.