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* Do the filtering separately from the mixingChris Robinson2012-09-114-59/+43
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* Update HRTF codeChris Robinson2012-09-117-1071/+1283
| | | | | | | | | | | This update allows for much more flexibility in the HRTF data. It also allows for HRTF table file names to include "%r" to represent the device's playback rate (e.g. if you set hrtf-%r.mhr, then it will try to use hrtf-44100.mhr or hrtf-48000.mhr depending if the device's output rate is 44100 or 48000, respectively). The makehrtf utility has also been updated to support more options and input file formats, as well as the new mhr format.
* Again try to get _WIN32_IE to behave right with MinGWChris Robinson2012-09-111-1/+1
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* Try to ensure mixing samples in multiples of 4Chris Robinson2012-09-091-0/+5
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* Use the right method to clear a __m128 to 0Chris Robinson2012-09-091-2/+2
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* Use SSE to do 4 samples at once (non-HRTF direct mix), instead of to apply a ↵Chris Robinson2012-09-091-22/+43
| | | | | | matrix row MaxCHannels no longer needs to be a multiple of 4 now, either.
* Implement MixDirect_SSE separately from the C and Neon versionsChris Robinson2012-09-094-23/+58
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* Move the target effect slot to the SendParams structChris Robinson2012-09-084-12/+10
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* Remove STACK_DATA_SIZE in favor of BUFFERSIZEChris Robinson2012-09-082-6/+4
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* Remove some unused codeChris Robinson2012-09-081-4/+0
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* Separate the resampling and mixing stepsChris Robinson2012-09-087-406/+248
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* Free the global ALSA config after opening capture devices tooChris Robinson2012-09-021-1/+4
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* alsa: Free the global config cache to remove a lot of reported leaksLauri Kasanen2012-09-021-0/+6
| | | | Signed-off-by: Lauri Kasanen <[email protected]>
* Minor cleanups for mixer_incChris Robinson2012-08-294-35/+39
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* Add an SSE-enhanced path for applying the mixer matrixChris Robinson2012-08-294-7/+48
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* Make sure device buffers are 16-byte alignedChris Robinson2012-08-291-7/+7
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* Print the error when reporting snd_pcm_delay failureChris Robinson2012-08-271-1/+1
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* Use _aligned_free for pointers returned by _aligned_mallocChris Robinson2012-08-241-1/+3
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* Add methods to get source properties as doublesChris Robinson2012-08-201-0/+3
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* Properly export alGetSource3i64SOFTChris Robinson2012-08-201-0/+1
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* Add a macro to help make a 64-bit valueChris Robinson2012-08-191-1/+1
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* Use a default method to provide a dummy latencyChris Robinson2012-08-1913-98/+17
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* Hold the device lock with PulseAudio between mixing and writingChris Robinson2012-08-181-0/+2
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* Hold the device lock with ALSA between mixing and writingChris Robinson2012-08-181-0/+4
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* Use non-blocking access for ALSA playbackChris Robinson2012-08-181-17/+37
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* Move the device lock into the backend function tableChris Robinson2012-08-1816-11/+48
| | | | | For backend-specific implementations: this should hold the audio mixer loop for playback devices, and provide recursive mutex behavior.
* Keep the backend device open until the last reference is releasedChris Robinson2012-08-181-4/+5
| | | | | | This should generally happen with the next ALCdevice_DecRef call unless the device is in the middle of being used in another thread, in which case it's probably best to not remove the resources.
* Add the start of AL_SOFT_source_latencyChris Robinson2012-08-181-0/+3
| | | | | This extension will provide a way for apps to get accurate latency and playback position information
* Add a device method to retrieve the active latencyChris Robinson2012-08-1715-15/+155
| | | | | This is effectively the time until the next update will be heard by the user, or the closest approximation thereof, in nanoseconds.
* Place the alignment attribute before the variable declarationChris Robinson2012-08-161-1/+1
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* Fix aligned allocator fallbackChris Robinson2012-08-161-3/+2
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* Avoid dynamic handling of libsndioChris Robinson2012-08-161-81/+0
| | | | This makes it safer and easier to handle as OpenBSD updates it
* Apply HRTF mixer coefficients with stepping using SSEChris Robinson2012-08-154-11/+65
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* Check the max CPUID functions before calling themChris Robinson2012-08-151-4/+11
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* Add wrapper methods to ensure aligned allocationsChris Robinson2012-08-151-0/+48
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* Make sure the working coefficients are aligned for the SSE mixerChris Robinson2012-08-152-6/+2
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* Check the correct macro for ARM Neon supportChris Robinson2012-08-151-1/+1
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* Don't bother handling MMX since we don't use itChris Robinson2012-08-151-8/+3
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* Add cmake options to disable or require support for CPU extensionsChris Robinson2012-08-152-7/+13
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* Move mixers into separate source filesChris Robinson2012-08-156-415/+590
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* Add an SSE-enhanced HRTF mixer using intrinsicsChris Robinson2012-08-142-1/+51
| | | | Not as good as it could be, but it's something
* Add a config option to disable use of CPU extensionsChris Robinson2012-08-132-9/+42
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* Allow building multiple types of mixers, selecting based on CPU capsChris Robinson2012-08-131-47/+64
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* Check for some CPU extensionsChris Robinson2012-08-132-0/+56
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* Don't unlock the pulseaudio mainloop when mixingChris Robinson2012-08-121-2/+0
| | | | | | Lock contention could cause a lengthy delay between mixing and writing the audio. There shouldn't be any risk of dead-locking as the device lock should never be held when the mainloop gets locked.
* Handle the scalar values a bit betterChris Robinson2012-08-112-6/+6
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* Use a more efficient method to blend HRTF delays and coefficientsChris Robinson2012-08-111-26/+42
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* Add an option for wide stereo sourcesChris Robinson2012-08-092-2/+18
| | | | Replaces the old stereodup option
* Use a more efficient method to offset the speaker angles when computing gainsChris Robinson2012-08-091-29/+35
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* Interpolate between HRTF delay samples using the delay fractionChris Robinson2012-07-202-12/+20
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