3 Fixed resetting the FPU rounding mode after certain function calls on
6 Fixed use of SSE intrinsics when building with Clang on Windows.
8 Fixed a crash with the JACK backend when using JACK1.
10 Fixed use of pthread_setnane_np on NetBSD.
12 Fixed building on FreeBSD with an older freebsd-lib.
14 OSS now links with libossaudio if found at build time (for NetBSD).
18 Fixed an issue where resuming a source might not restart playing it.
20 Fixed PulseAudio playback when the configured stream length is much less
21 than the requested length.
23 Fixed MMDevAPI capture with sample rates not matching the backing device.
25 Fixed int32 output for the Wave Writer.
27 Fixed enumeration of OSS devices that are missing device files.
29 Added correct retrieval of the executable's path on FreeBSD.
31 Added a config option to specify the dithering depth.
33 Added a 5.1 decoder preset that excludes front-center output.
37 Implemented the AL_EXT_STEREO_ANGLES and AL_EXT_SOURCE_RADIUS extensions.
39 Implemented the AL_SOFT_gain_clamp_ex, AL_SOFT_source_resampler,
40 AL_SOFT_source_spatialize, and ALC_SOFT_output_limiter extensions.
42 Implemented 3D processing for some effects. Currently implemented for
43 Reverb, Compressor, Equalizer, and Ring Modulator.
45 Implemented 2-channel UHJ output encoding. This needs to be enabled with a
46 config option to be used.
48 Implemented dual-band processing for high-quality ambisonic decoding.
50 Implemented distance-compensation for surround sound output.
52 Implemented near-field emulation and compensation with ambisonic rendering.
53 Currently only applies when using the high-quality ambisonic decoder or
54 ambisonic output, with appropriate config options.
56 Implemented an output limiter to reduce the amount of distortion from
59 Implemented dithering for 8-bit and 16-bit output.
61 Implemented a config option to select a preferred HRTF.
63 Implemented a run-time check for NEON extensions using /proc/cpuinfo.
65 Implemented experimental capture support for the OpenSL backend.
67 Fixed building on compilers with NEON support but don't default to having
70 Fixed support for JACK on Windows.
72 Fixed starting a source while alcSuspendContext is in effect.
74 Fixed detection of headsets as headphones, with MMDevAPI.
76 Added support for AmbDec config files, for custom ambisonic decoder
77 configurations. Version 3 files only.
79 Added backend-specific options to alsoft-config.
81 Added first-, second-, and third-order ambisonic output formats. Currently
82 only works with backends that don't rely on channel labels, like JACK,
85 Added a build option to embed the default HRTFs into the lib.
87 Added AmbDec presets to enable high-quality ambisonic decoding.
89 Added an AmbDec preset for 3D7.1 speaker setups.
91 Added documentation regarding Ambisonics, 3D7.1, AmbDec config files, and
92 the provided ambdec presets.
94 Added the ability for MMDevAPI to open devices given a Device ID or GUID
97 Added an option to the example apps to open a specific device.
99 Increased the maximum auxiliary send limit to 16 (up from 4). Requires
100 requesting them with the ALC_MAX_AUXILIARY_SENDS context creation
103 Increased the default auxiliary effect slot count to 64 (up from 4).
105 Reduced the default period count to 3 (down from 4).
107 Slightly improved automatic naming for enumerated HRTFs.
109 Improved B-Format decoding with HRTF output.
111 Improved internal property handling for better batching behavior.
113 Improved performance of certain filter uses.
115 Removed support for the AL_SOFT_buffer_samples and AL_SOFT_buffer_sub_data
116 extensions. Due to conflicts with AL_EXT_SOURCE_RADIUS.
120 Implemented device enumeration for OSSv4.
122 Fixed building on OSX.
124 Fixed building on non-Windows systems without POSIX-2008.
126 Fixed Dedicated Dialog and Dedicated LFE effect output.
128 Added a build option to override the share install dir.
130 Added a build option to static-link libgcc for MinGW.
134 Fixed building with JACK and without PulseAudio.
136 Fixed building on FreeBSD.
138 Fixed the ALSA backend's allow-resampler option.
140 Fixed handling of inexact ALSA period counts.
142 Altered device naming scheme on Windows backends to better match other
145 Updated the CoreAudio backend to use the AudioComponent API. This clears up
146 deprecation warnings for OSX 10.11, although requires OSX 10.6 or newer.
150 Implemented a JACK playback backend.
152 Implemented the AL_EXT_BFORMAT and AL_EXT_MULAW_BFORMAT extensions.
154 Implemented the ALC_SOFT_HRTF extension.
156 Implemented C, SSE3, and SSE4.1 based 4- and 8-point Sinc resamplers.
158 Implemented a C and SSE based band-limited Sinc resampler. This does 12- to
159 24-point Sinc resampling, and performs anti-aliasing.
161 Implemented B-Format output support for the wave file writer. This creates
162 FuMa-style first-order Ambisonics wave files (AMB format).
164 Implemented a stereo-mode config option for treating stereo modes as either
165 speakers or headphones.
167 Implemented per-device configuration options.
169 Fixed handling of PulseAudio and MMDevAPI devices that have identical
172 Fixed a potential lockup when stopping playback of suspended PulseAudio devices.
174 Fixed logging of Unicode characters on Windows.
176 Fixed 5.1 surround sound channels. By default it will now use the side
177 channels for the surround output. A configuration using rear channels is
180 Fixed the QSA backend potentially altering the capture format.
182 Fixed detecting MMDevAPI's default device.
184 Fixed returning the default capture device name.
186 Fixed mixing property calculations when deferring context updates.
188 Altered the behavior of alcSuspendContext and alcProcessContext to better
189 match certain Windows drivers.
191 Altered the panning algorithm, utilizing Ambisonics for better side and
192 back positioning cues with surround sound output.
194 Improved support for certain older Windows apps.
196 Improved the alffplay example to support surround sound streams.
198 Improved support for building as a sub-project.
200 Added an HRTF playback example.
202 Added a tone generator output test.
204 Added a toolchain to help with cross-compiling to Android.
208 Implemented EFX Chorus, Flanger, Distortion, Equalizer, and Compressor
211 Implemented high-pass and band-pass EFX filters.
213 Implemented the high-pass filter for the EAXReverb effect.
215 Implemented SSE2 and SSE4.1 linear resamplers.
217 Implemented Neon-enhanced non-HRTF mixers.
219 Implemented a QSA backend, for QNX.
221 Implemented the ALC_SOFT_pause_device, AL_SOFT_deferred_updates,
222 AL_SOFT_block_alignment, AL_SOFT_MSADPCM, and AL_SOFT_source_length
225 Fixed resetting mmdevapi backend devices.
227 Fixed clamping when converting 32-bit float samples to integer.
229 Fixed modulation range in the Modulator effect.
231 Several fixes for the OpenSL playback backend.
233 Fixed device specifier names that have Unicode characters on Windows.
235 Added support for filenames and paths with Unicode (UTF-8) characters on
238 Added support for alsoft.conf config files found in XDG Base Directory
239 Specification locations (XDG_CONFIG_DIRS and XDG_CONFIG_HOME, or their
240 defaults) on non-Windows systems.
242 Added a GUI configuration utility (requires Qt 4.8).
244 Added support for environment variable expansion in config options (not
245 keys or section names).
247 Added an example that uses SDL2 and ffmpeg.
249 Modified examples to use SDL_sound.
251 Modified CMake config option names for better sorting.
253 HRTF data sets specified in the hrtf_tables config option may now be
254 relative or absolute filenames.
256 Made the default HRTF data set an external file, and added a data set for
257 48khz playback in addition to 44.1khz.
259 Added support for C11 atomic methods.
261 Improved support for some non-GNU build systems.
265 Fixed a regression with retrieving the source's AL_GAIN property.
269 Fixed device enumeration with the OSS backend.
271 Reorganized internal mixing logic, so unneeded steps can potentially be
272 skipped for better performance.
274 Removed the lookup table for calculating the mixing pans. The panning is
275 now calculated directly for better precision.
277 Improved the panning of stereo source channels when using stereo output.
279 Improved source filter quality on send paths.
281 Added a config option to allow PulseAudio to move streams between devices.
283 The PulseAudio backend will now attempt to spawn a server by default.
285 Added a workaround for a DirectSound bug relating to float32 output.
287 Added SSE-based mixers, for HRTF and non-HRTF mixing.
289 Added support for the new AL_SOFT_source_latency extension.
291 Improved ALSA capture by avoiding an extra buffer when using sizes
292 supported by the underlying device.
294 Improved the makehrtf utility to support new options and input formats.
296 Modified the CFLAGS declared in the pkg-config file so the "AL/" portion of
297 the header includes can optionally be omitted.
299 Added a couple example code programs to show how to apply reverb, and
302 The configuration sample is now installed into the share/openal/ directory
303 instead of /etc/openal.
305 The configuration sample now gets installed by default.