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 OSS now links with libossaudio if found at build time (for NetBSD).
14 Fixed an issue where resuming a source might not restart playing it.
16 Fixed PulseAudio playback when the configured stream length is much less
17 than the requested length.
19 Fixed MMDevAPI capture with sample rates not matching the backing device.
21 Fixed int32 output for the Wave Writer.
23 Fixed enumeration of OSS devices that are missing device files.
25 Added correct retrieval of the executable's path on FreeBSD.
27 Added a config option to specify the dithering depth.
29 Added a 5.1 decoder preset that excludes front-center output.
33 Implemented the AL_EXT_STEREO_ANGLES and AL_EXT_SOURCE_RADIUS extensions.
35 Implemented the AL_SOFT_gain_clamp_ex, AL_SOFT_source_resampler,
36 AL_SOFT_source_spatialize, and ALC_SOFT_output_limiter extensions.
38 Implemented 3D processing for some effects. Currently implemented for
39 Reverb, Compressor, Equalizer, and Ring Modulator.
41 Implemented 2-channel UHJ output encoding. This needs to be enabled with a
42 config option to be used.
44 Implemented dual-band processing for high-quality ambisonic decoding.
46 Implemented distance-compensation for surround sound output.
48 Implemented near-field emulation and compensation with ambisonic rendering.
49 Currently only applies when using the high-quality ambisonic decoder or
50 ambisonic output, with appropriate config options.
52 Implemented an output limiter to reduce the amount of distortion from
55 Implemented dithering for 8-bit and 16-bit output.
57 Implemented a config option to select a preferred HRTF.
59 Implemented a run-time check for NEON extensions using /proc/cpuinfo.
61 Implemented experimental capture support for the OpenSL backend.
63 Fixed building on compilers with NEON support but don't default to having
66 Fixed support for JACK on Windows.
68 Fixed starting a source while alcSuspendContext is in effect.
70 Fixed detection of headsets as headphones, with MMDevAPI.
72 Added support for AmbDec config files, for custom ambisonic decoder
73 configurations. Version 3 files only.
75 Added backend-specific options to alsoft-config.
77 Added first-, second-, and third-order ambisonic output formats. Currently
78 only works with backends that don't rely on channel labels, like JACK,
81 Added a build option to embed the default HRTFs into the lib.
83 Added AmbDec presets to enable high-quality ambisonic decoding.
85 Added an AmbDec preset for 3D7.1 speaker setups.
87 Added documentation regarding Ambisonics, 3D7.1, AmbDec config files, and
88 the provided ambdec presets.
90 Added the ability for MMDevAPI to open devices given a Device ID or GUID
93 Added an option to the example apps to open a specific device.
95 Increased the maximum auxiliary send limit to 16 (up from 4). Requires
96 requesting them with the ALC_MAX_AUXILIARY_SENDS context creation
99 Increased the default auxiliary effect slot count to 64 (up from 4).
101 Reduced the default period count to 3 (down from 4).
103 Slightly improved automatic naming for enumerated HRTFs.
105 Improved B-Format decoding with HRTF output.
107 Improved internal property handling for better batching behavior.
109 Improved performance of certain filter uses.
111 Removed support for the AL_SOFT_buffer_samples and AL_SOFT_buffer_sub_data
112 extensions. Due to conflicts with AL_EXT_SOURCE_RADIUS.
116 Implemented device enumeration for OSSv4.
118 Fixed building on OSX.
120 Fixed building on non-Windows systems without POSIX-2008.
122 Fixed Dedicated Dialog and Dedicated LFE effect output.
124 Added a build option to override the share install dir.
126 Added a build option to static-link libgcc for MinGW.
130 Fixed building with JACK and without PulseAudio.
132 Fixed building on FreeBSD.
134 Fixed the ALSA backend's allow-resampler option.
136 Fixed handling of inexact ALSA period counts.
138 Altered device naming scheme on Windows backends to better match other
141 Updated the CoreAudio backend to use the AudioComponent API. This clears up
142 deprecation warnings for OSX 10.11, although requires OSX 10.6 or newer.
146 Implemented a JACK playback backend.
148 Implemented the AL_EXT_BFORMAT and AL_EXT_MULAW_BFORMAT extensions.
150 Implemented the ALC_SOFT_HRTF extension.
152 Implemented C, SSE3, and SSE4.1 based 4- and 8-point Sinc resamplers.
154 Implemented a C and SSE based band-limited Sinc resampler. This does 12- to
155 24-point Sinc resampling, and performs anti-aliasing.
157 Implemented B-Format output support for the wave file writer. This creates
158 FuMa-style first-order Ambisonics wave files (AMB format).
160 Implemented a stereo-mode config option for treating stereo modes as either
161 speakers or headphones.
163 Implemented per-device configuration options.
165 Fixed handling of PulseAudio and MMDevAPI devices that have identical
168 Fixed a potential lockup when stopping playback of suspended PulseAudio devices.
170 Fixed logging of Unicode characters on Windows.
172 Fixed 5.1 surround sound channels. By default it will now use the side
173 channels for the surround output. A configuration using rear channels is
176 Fixed the QSA backend potentially altering the capture format.
178 Fixed detecting MMDevAPI's default device.
180 Fixed returning the default capture device name.
182 Fixed mixing property calculations when deferring context updates.
184 Altered the behavior of alcSuspendContext and alcProcessContext to better
185 match certain Windows drivers.
187 Altered the panning algorithm, utilizing Ambisonics for better side and
188 back positioning cues with surround sound output.
190 Improved support for certain older Windows apps.
192 Improved the alffplay example to support surround sound streams.
194 Improved support for building as a sub-project.
196 Added an HRTF playback example.
198 Added a tone generator output test.
200 Added a toolchain to help with cross-compiling to Android.
204 Implemented EFX Chorus, Flanger, Distortion, Equalizer, and Compressor
207 Implemented high-pass and band-pass EFX filters.
209 Implemented the high-pass filter for the EAXReverb effect.
211 Implemented SSE2 and SSE4.1 linear resamplers.
213 Implemented Neon-enhanced non-HRTF mixers.
215 Implemented a QSA backend, for QNX.
217 Implemented the ALC_SOFT_pause_device, AL_SOFT_deferred_updates,
218 AL_SOFT_block_alignment, AL_SOFT_MSADPCM, and AL_SOFT_source_length
221 Fixed resetting mmdevapi backend devices.
223 Fixed clamping when converting 32-bit float samples to integer.
225 Fixed modulation range in the Modulator effect.
227 Several fixes for the OpenSL playback backend.
229 Fixed device specifier names that have Unicode characters on Windows.
231 Added support for filenames and paths with Unicode (UTF-8) characters on
234 Added support for alsoft.conf config files found in XDG Base Directory
235 Specification locations (XDG_CONFIG_DIRS and XDG_CONFIG_HOME, or their
236 defaults) on non-Windows systems.
238 Added a GUI configuration utility (requires Qt 4.8).
240 Added support for environment variable expansion in config options (not
241 keys or section names).
243 Added an example that uses SDL2 and ffmpeg.
245 Modified examples to use SDL_sound.
247 Modified CMake config option names for better sorting.
249 HRTF data sets specified in the hrtf_tables config option may now be
250 relative or absolute filenames.
252 Made the default HRTF data set an external file, and added a data set for
253 48khz playback in addition to 44.1khz.
255 Added support for C11 atomic methods.
257 Improved support for some non-GNU build systems.
261 Fixed a regression with retrieving the source's AL_GAIN property.
265 Fixed device enumeration with the OSS backend.
267 Reorganized internal mixing logic, so unneeded steps can potentially be
268 skipped for better performance.
270 Removed the lookup table for calculating the mixing pans. The panning is
271 now calculated directly for better precision.
273 Improved the panning of stereo source channels when using stereo output.
275 Improved source filter quality on send paths.
277 Added a config option to allow PulseAudio to move streams between devices.
279 The PulseAudio backend will now attempt to spawn a server by default.
281 Added a workaround for a DirectSound bug relating to float32 output.
283 Added SSE-based mixers, for HRTF and non-HRTF mixing.
285 Added support for the new AL_SOFT_source_latency extension.
287 Improved ALSA capture by avoiding an extra buffer when using sizes
288 supported by the underlying device.
290 Improved the makehrtf utility to support new options and input formats.
292 Modified the CFLAGS declared in the pkg-config file so the "AL/" portion of
293 the header includes can optionally be omitted.
295 Added a couple example code programs to show how to apply reverb, and
298 The configuration sample is now installed into the share/openal/ directory
299 instead of /etc/openal.
301 The configuration sample now gets installed by default.