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 use of pthread_setnane_np on NetBSD.
10 Fixed building on FreeBSD with an older freebsd-lib.
12 OSS now links with libossaudio if found at build time (for NetBSD).
16 Fixed an issue where resuming a source might not restart playing it.
18 Fixed PulseAudio playback when the configured stream length is much less
19 than the requested length.
21 Fixed MMDevAPI capture with sample rates not matching the backing device.
23 Fixed int32 output for the Wave Writer.
25 Fixed enumeration of OSS devices that are missing device files.
27 Added correct retrieval of the executable's path on FreeBSD.
29 Added a config option to specify the dithering depth.
31 Added a 5.1 decoder preset that excludes front-center output.
35 Implemented the AL_EXT_STEREO_ANGLES and AL_EXT_SOURCE_RADIUS extensions.
37 Implemented the AL_SOFT_gain_clamp_ex, AL_SOFT_source_resampler,
38 AL_SOFT_source_spatialize, and ALC_SOFT_output_limiter extensions.
40 Implemented 3D processing for some effects. Currently implemented for
41 Reverb, Compressor, Equalizer, and Ring Modulator.
43 Implemented 2-channel UHJ output encoding. This needs to be enabled with a
44 config option to be used.
46 Implemented dual-band processing for high-quality ambisonic decoding.
48 Implemented distance-compensation for surround sound output.
50 Implemented near-field emulation and compensation with ambisonic rendering.
51 Currently only applies when using the high-quality ambisonic decoder or
52 ambisonic output, with appropriate config options.
54 Implemented an output limiter to reduce the amount of distortion from
57 Implemented dithering for 8-bit and 16-bit output.
59 Implemented a config option to select a preferred HRTF.
61 Implemented a run-time check for NEON extensions using /proc/cpuinfo.
63 Implemented experimental capture support for the OpenSL backend.
65 Fixed building on compilers with NEON support but don't default to having
68 Fixed support for JACK on Windows.
70 Fixed starting a source while alcSuspendContext is in effect.
72 Fixed detection of headsets as headphones, with MMDevAPI.
74 Added support for AmbDec config files, for custom ambisonic decoder
75 configurations. Version 3 files only.
77 Added backend-specific options to alsoft-config.
79 Added first-, second-, and third-order ambisonic output formats. Currently
80 only works with backends that don't rely on channel labels, like JACK,
83 Added a build option to embed the default HRTFs into the lib.
85 Added AmbDec presets to enable high-quality ambisonic decoding.
87 Added an AmbDec preset for 3D7.1 speaker setups.
89 Added documentation regarding Ambisonics, 3D7.1, AmbDec config files, and
90 the provided ambdec presets.
92 Added the ability for MMDevAPI to open devices given a Device ID or GUID
95 Added an option to the example apps to open a specific device.
97 Increased the maximum auxiliary send limit to 16 (up from 4). Requires
98 requesting them with the ALC_MAX_AUXILIARY_SENDS context creation
101 Increased the default auxiliary effect slot count to 64 (up from 4).
103 Reduced the default period count to 3 (down from 4).
105 Slightly improved automatic naming for enumerated HRTFs.
107 Improved B-Format decoding with HRTF output.
109 Improved internal property handling for better batching behavior.
111 Improved performance of certain filter uses.
113 Removed support for the AL_SOFT_buffer_samples and AL_SOFT_buffer_sub_data
114 extensions. Due to conflicts with AL_EXT_SOURCE_RADIUS.
118 Implemented device enumeration for OSSv4.
120 Fixed building on OSX.
122 Fixed building on non-Windows systems without POSIX-2008.
124 Fixed Dedicated Dialog and Dedicated LFE effect output.
126 Added a build option to override the share install dir.
128 Added a build option to static-link libgcc for MinGW.
132 Fixed building with JACK and without PulseAudio.
134 Fixed building on FreeBSD.
136 Fixed the ALSA backend's allow-resampler option.
138 Fixed handling of inexact ALSA period counts.
140 Altered device naming scheme on Windows backends to better match other
143 Updated the CoreAudio backend to use the AudioComponent API. This clears up
144 deprecation warnings for OSX 10.11, although requires OSX 10.6 or newer.
148 Implemented a JACK playback backend.
150 Implemented the AL_EXT_BFORMAT and AL_EXT_MULAW_BFORMAT extensions.
152 Implemented the ALC_SOFT_HRTF extension.
154 Implemented C, SSE3, and SSE4.1 based 4- and 8-point Sinc resamplers.
156 Implemented a C and SSE based band-limited Sinc resampler. This does 12- to
157 24-point Sinc resampling, and performs anti-aliasing.
159 Implemented B-Format output support for the wave file writer. This creates
160 FuMa-style first-order Ambisonics wave files (AMB format).
162 Implemented a stereo-mode config option for treating stereo modes as either
163 speakers or headphones.
165 Implemented per-device configuration options.
167 Fixed handling of PulseAudio and MMDevAPI devices that have identical
170 Fixed a potential lockup when stopping playback of suspended PulseAudio devices.
172 Fixed logging of Unicode characters on Windows.
174 Fixed 5.1 surround sound channels. By default it will now use the side
175 channels for the surround output. A configuration using rear channels is
178 Fixed the QSA backend potentially altering the capture format.
180 Fixed detecting MMDevAPI's default device.
182 Fixed returning the default capture device name.
184 Fixed mixing property calculations when deferring context updates.
186 Altered the behavior of alcSuspendContext and alcProcessContext to better
187 match certain Windows drivers.
189 Altered the panning algorithm, utilizing Ambisonics for better side and
190 back positioning cues with surround sound output.
192 Improved support for certain older Windows apps.
194 Improved the alffplay example to support surround sound streams.
196 Improved support for building as a sub-project.
198 Added an HRTF playback example.
200 Added a tone generator output test.
202 Added a toolchain to help with cross-compiling to Android.
206 Implemented EFX Chorus, Flanger, Distortion, Equalizer, and Compressor
209 Implemented high-pass and band-pass EFX filters.
211 Implemented the high-pass filter for the EAXReverb effect.
213 Implemented SSE2 and SSE4.1 linear resamplers.
215 Implemented Neon-enhanced non-HRTF mixers.
217 Implemented a QSA backend, for QNX.
219 Implemented the ALC_SOFT_pause_device, AL_SOFT_deferred_updates,
220 AL_SOFT_block_alignment, AL_SOFT_MSADPCM, and AL_SOFT_source_length
223 Fixed resetting mmdevapi backend devices.
225 Fixed clamping when converting 32-bit float samples to integer.
227 Fixed modulation range in the Modulator effect.
229 Several fixes for the OpenSL playback backend.
231 Fixed device specifier names that have Unicode characters on Windows.
233 Added support for filenames and paths with Unicode (UTF-8) characters on
236 Added support for alsoft.conf config files found in XDG Base Directory
237 Specification locations (XDG_CONFIG_DIRS and XDG_CONFIG_HOME, or their
238 defaults) on non-Windows systems.
240 Added a GUI configuration utility (requires Qt 4.8).
242 Added support for environment variable expansion in config options (not
243 keys or section names).
245 Added an example that uses SDL2 and ffmpeg.
247 Modified examples to use SDL_sound.
249 Modified CMake config option names for better sorting.
251 HRTF data sets specified in the hrtf_tables config option may now be
252 relative or absolute filenames.
254 Made the default HRTF data set an external file, and added a data set for
255 48khz playback in addition to 44.1khz.
257 Added support for C11 atomic methods.
259 Improved support for some non-GNU build systems.
263 Fixed a regression with retrieving the source's AL_GAIN property.
267 Fixed device enumeration with the OSS backend.
269 Reorganized internal mixing logic, so unneeded steps can potentially be
270 skipped for better performance.
272 Removed the lookup table for calculating the mixing pans. The panning is
273 now calculated directly for better precision.
275 Improved the panning of stereo source channels when using stereo output.
277 Improved source filter quality on send paths.
279 Added a config option to allow PulseAudio to move streams between devices.
281 The PulseAudio backend will now attempt to spawn a server by default.
283 Added a workaround for a DirectSound bug relating to float32 output.
285 Added SSE-based mixers, for HRTF and non-HRTF mixing.
287 Added support for the new AL_SOFT_source_latency extension.
289 Improved ALSA capture by avoiding an extra buffer when using sizes
290 supported by the underlying device.
292 Improved the makehrtf utility to support new options and input formats.
294 Modified the CFLAGS declared in the pkg-config file so the "AL/" portion of
295 the header includes can optionally be omitted.
297 Added a couple example code programs to show how to apply reverb, and
300 The configuration sample is now installed into the share/openal/ directory
301 instead of /etc/openal.
303 The configuration sample now gets installed by default.