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* Wait for the OpenSL buffer queue to empty when stoppingChris Robinson2015-08-131-1/+10
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* Allow specifying ALC_DONT_CARE_SOFT for ALC_HRTF_SOFTChris Robinson2015-07-061-16/+23
| | | | | ALC_FALSE now indicates explicitly no HRTF mixing, while ALC_DONT_CARE_SOFT is autodetect.
* Change source radius behaviorChris Robinson2015-07-051-19/+33
| | | | | | | | | For sources with a non-0 radius: When distance <= radius, factor = distance/radius*0.5 When distance > radius, factor = 1 - asinf(radius/distance)/PI Also, avoid using Position after calculating the localized direction and distance.
* Update a couple commentsChris Robinson2015-07-042-7/+5
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* Check for duplicate device names in the mmdevapi backendChris Robinson2015-06-301-1/+27
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* Use the lockless ringbuffer for mmdevapi captureChris Robinson2015-06-301-8/+9
| | | | | The backend's capture funcs are already called while under a lock, so multiple threads shouldn't be able to read from it at once.
* Double check the mmdevapi capture formatChris Robinson2015-06-071-1/+23
| | | | | This isn't a real solution, but it should get IAudioClient_IsFormatSupported to stop failing.
* Add a macro to simplify allocating and constructing an objectChris Robinson2015-05-1811-117/+17
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* Convert the solaris backend to the new APIChris Robinson2015-05-173-78/+135
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* Add a method to reset the deviceChris Robinson2015-05-161-0/+38
| | | | | | | This basically acts as if the app created a new context with the specified attributes (causing the device to reset with new parameters), then immediately delete it. Existing contexts remain undisturbed, except for a temporary pause while the device output is reconfigured.
* Add a few more HRTF status valuesChris Robinson2015-05-161-3/+19
| | | | | | | | | DISABLED - Generic disabled status ENABLED - Generic enabled status DENIED - Not allowed (user has configured HRTF to be off) REQUIRED - Forced (user has forced HRTF to be used) HEADPHONES_DETECTED - Enabled because headphones were detected UNSUPPORTED_FORMAT - Device format is not compatible with available filters
* Add an HRTF status queryChris Robinson2015-05-151-4/+23
| | | | | This can report the status of HRTF, specifying if it's enabled or not and why (currently only reports unsupported formats, but this may be extended).
* Fix mingw64 buildalexxvk2015-05-021-0/+1
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* Don't assert the increment value in the copy32 resamplerChris Robinson2015-02-151-2/+1
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* Fix the HRTF B-Format decoder's W coefficientChris Robinson2015-02-141-18/+5
| | | | | And limit it to first-order again, since there will likely need to be extra scalings applied.
* Cheange some more unnecessarily small coefficients to 0Chris Robinson2015-02-111-6/+6
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* Add an option for "basic" HRTF renderingChris Robinson2015-02-112-9/+28
| | | | | | | | | | | | | | | | | This method is intended to help development by easily testing the quality of the B-Format encode and B-Format-to-HRTF decode. When used with HRTF, all sources are renderer using the virtual B-Format output, rather than just B-Format sources. Despite the CPU cost savings (only four channels need to be filtered with HRTF, while sources all render normally), the spatial acuity offered by the B-Format output is pretty poor since it's only first-order ambisonics, so "full" HRTF rendering is definitely preferred. It's /possible/ for some systems to be edge cases that prefer the CPU cost savings provided by basic over the sharper localization provided by full, and you do still get 3D positional cues, but this is unlikely to be an actual use- case in practice.
* Calculate HRTF coefficients for all B-Format channels at onceChris Robinson2015-02-103-34/+72
| | | | | | It's possible to calculate HRTF coefficients for full third-order ambisonics now, but it's still not possible to use them here without upmixing first-order content.
* Use a single statement to declare the buffer format channel mapsChris Robinson2015-02-101-14/+9
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* Pass the (FuMa) channel number to GetBFormatHrtfCoeffsChris Robinson2015-02-103-10/+10
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* Correct conversion from polar to cartesian coords for HRTFChris Robinson2015-02-101-3/+3
| | | | | A functional no-op (cos(a) == cos(-a), -sin(a) == sin(-a)), but Ambisonics expects the azimuth angle to go counter-clockwise.
* Use B-Format for HRTF's virtual output formatChris Robinson2015-02-094-33/+97
| | | | | | | | This adds the ability to directly decode B-Format with HRTF, though only first- order (WXYZ) for now. Second- and third-order would be easilly doable, however we'd need to be able to up-mix first-order content (from the BFORMAT2D and BFORMAT3D buffer formats) since it would be inappropriate to decode lower-order content with a higher-order decoder.
* Properly handle a mono output buffer with the MIDI synthsChris Robinson2015-02-095-17/+19
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* Add a comment detailing how the HRTF channel buffer is set upChris Robinson2015-02-091-19/+45
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* Make sure the BS2B filter is freed if HRTF is enabledChris Robinson2015-02-091-0/+4
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* Move HRTF params and state closer togetherChris Robinson2015-02-092-12/+12
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* Add a note to the JACK backend about a (minor) race conditionChris Robinson2015-02-071-0/+14
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* Fix some ringbuffer function commentsChris Robinson2015-02-071-4/+4
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* Clean up another vector iterator loopChris Robinson2015-02-071-12/+12
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* Avoid tracing wide-char stringsChris Robinson2015-02-072-27/+43
| | | | | | Because on Windows, traced strings are written to a char string, which causes UTF-16 strings to be converted to a narrow (non-UTF-8) encoding, potentially losing characters.
* Avoid unnecessary uses of ExchangeInt/PtrChris Robinson2015-02-043-6/+14
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* Avoid unnecessary ExchangeInt usesChris Robinson2015-02-041-2/+2
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* Try the JACK backend before PulseAudioChris Robinson2015-02-031-3/+3
| | | | | The backend will not spawn a server by default, so PulseAudio will still be preferred as long as a JACK server isn't already running.
* Signal the mixer thread outside of the mutex lockChris Robinson2015-02-031-1/+5
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* Don't try to spawn a JACK server by defaultChris Robinson2015-02-031-6/+6
| | | | And don't print an error if one couldn't be started when not requested.
* Always use the JACK server buffer size as the update sizeChris Robinson2015-02-031-12/+15
| | | | | The buffer-size config option now only specifies an additional mix ahead to keep ready for audio requests, rather than a pretend period size.
* Ensure PulseAudio's mixing loop is signaled when stoppingChris Robinson2015-01-211-0/+8
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* Remove a couple unused variablesChris Robinson2015-01-201-3/+0
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* Fix variable checkChris Robinson2015-01-201-1/+1
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* Fix X7DOT1_NARROW name to X7DOT1_WIDEChris Robinson2015-01-151-3/+3
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* Accept a "narrow" layout for 7.1 with mmdevapiChris Robinson2015-01-151-2/+3
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* Fix the flags typeChris Robinson2015-01-111-1/+2
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* Remove some IN_IDE_PARSER usesChris Robinson2014-12-241-7/+0
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* Update some function comments (bytes -> elements)Chris Robinson2014-12-241-7/+8
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* Update a commentChris Robinson2014-12-241-2/+2
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* Don't update the channel format if all JACK ports were allocatedChris Robinson2014-12-231-9/+11
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* Try the device-specified channel configuration firstChris Robinson2014-12-231-3/+15
| | | | | This does basically no checking that the channel config is correct, but should be good enough for when non-stereo modes are requested.
* Use the custom ringbuffer instead of JACK'sChris Robinson2014-12-231-41/+20
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* Add a lockless ringbufferChris Robinson2014-12-231-0/+271
| | | | | | Largely copied from JACK, it's extended to work with user-specified element sizes instead of bytes. This is necessary to be able to work with 6- and 7- channel output modes.
* Don't set unused pointers to NULL, don't try to write 0 samplesChris Robinson2014-12-231-7/+8
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