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* Use proper atomics for the lockless ringbufferChris Robinson2016-11-031-42/+49
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* Remove an unnecessary intermediate variableChris Robinson2016-11-021-7/+5
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* Be clearer about whether full or basic HRTF rendering is usedChris Robinson2016-11-021-1/+4
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* Merge pull request #78 from septag/cmake-dsoundkcat2016-11-023-11/+642
|\ | | | | Added cmake support for dsound and windows 8/10 SDKs
| * fixed minor check in FindDSound.cmakeseptag2016-11-031-4/+6
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| * Added cmake FindWindowsSDK for FindDSound module and fixed FindDSound.cmakeseptag2016-11-033-54/+639
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| * Added cmake support for dsound and windows 8/10 SDKsseptag2016-10-301-8/+52
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* | Rebalance the frequencies for B-Format HRTF coefficientsChris Robinson2016-11-011-14/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The original pseudo-inverse method that generated the LF matrix expects the high frequencies to be scaled up by ~2.645751 over the low frequencies (or sqrt(7), ~8.45dB). However, the AllRAD method used to generate the HF matrix produced a matrix that was only scaled up by 1.46551981258 (based on the average of the W coefficients). Previously, the LF matrix was scaled down by sqrt(7), as the difference specified in the pseudo-inverse results. This failed to account for the increase already present in the HF matrix, so now the LF matrix is scaled down by the remaining difference between the expected scaling and the scaling already present in the HF matrix (sqrt(7) / 1.46551981258 = 1.80533302205, or roughly 5.13dB, where the reciprocal is 0.553914423 for -5.13 dB).
* | Initial ChangeLog update for 1.18 changesChris Robinson2016-10-301-0/+65
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* | Workaround some systems having an ECHO macroChris Robinson2016-10-303-23/+23
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* | Cleanup and clarify a bit of the ambisonic docsChris Robinson2016-10-281-10/+10
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* | Round the early and late delay tap sample offsetsChris Robinson2016-10-261-4/+4
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* Restore a comment that was accidentally deletedChris Robinson2016-10-101-0/+9
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* Don't interpolate between nearest HRIRsChris Robinson2016-10-093-80/+43
| | | | | | | | It still fades between HRIRs when it changes, but now it selects the nearest one instead of blending the nearest four. Due to the minimum-phase nature of the HRIRs, interpolating between delays lead to some oddities which are exasperated by the fading (and the fading is needed to avoid clicks and pops, and smooth out changes).
* Better sort the main delay line tapsChris Robinson2016-10-061-60/+39
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* Decorrelate the early reflection inputsChris Robinson2016-10-061-10/+19
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* Add some more 'restrict' keywordsChris Robinson2016-10-068-44/+58
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* Remove an unused structChris Robinson2016-10-051-6/+0
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* Pass current and target gains directly for mixingChris Robinson2016-10-057-157/+67
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* Update a comment about using row mixersChris Robinson2016-10-051-3/+1
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* Better pack the late reverb low- and all-pass variablesChris Robinson2016-10-051-21/+25
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* Properly check for struct timespecChris Robinson2016-10-042-7/+9
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* Use the row mixer functions for the B-to-A-Format conversionChris Robinson2016-10-041-16/+10
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* Make some pointer-to-array parameters constChris Robinson2016-10-0410-47/+98
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* Include wtypes.h for defining Windows' property keysChris Robinson2016-10-042-0/+2
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* Enhance reverb using B-Format processingChris Robinson2016-10-031-405/+386
| | | | | | | | | | | | Technically it uses A-Format processing from the B-Format input and output. But this attempts to provide better spatial definition to the reverberation so that it can be used in a more generic fashion, allowing it to be decoded as any other B-Format signal to whatever output is needed, and also allowing for a bit of height information when the output is capable of such. There may still be some kinks to work out, such as properly decorrelating the early reflection taps and tweaking the late reverb density. But it seems to be a good enough start.
* Finalize AL_SOFT_gain_clamp_exChris Robinson2016-10-033-6/+6
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* Update the ambisonic coefficients for HRTFChris Robinson2016-09-261-15/+15
| | | | | | | This uses an AllRAD-derived decoder matrix for the high frequencies, which seems to improve positioning response. It also switches back to dual-band. The low frequencies appear to be unexpectedly quiet by comparison, but it's not that bad and can be tweaked later.
* Add a volume-adjust config option to adjust the source output volumeChris Robinson2016-09-245-6/+32
| | | | | | | | | Designed for apps that either don't change the listener's AL_GAIN, or don't allow the listener's AL_GAIN to go above 1. This allows the volume to still be increased further than such apps may allow, if users find it too quiet. Be aware that increasing this can easily cause clipping. The gain limit reported by AL_GAIN_LIMIT_SOFT is also affected by this.
* Remove some more unnecessary volatilesChris Robinson2016-09-241-5/+5
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* Recognize Headset formfactors as headphonesChris Robinson2016-09-211-1/+3
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* Skip audio packets that fail to decode in alffplayChris Robinson2016-09-141-1/+5
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* Merge pull request #63 from adrianbroher/gnuinstalldirkcat2016-09-142-28/+35
|\ | | | | Use GNUInstallDirs to place the build artifacts properly
| * Use GNUInstallDirs for generated pkg-config fileMarcel Metz2016-09-061-3/+3
| | | | | | | | Continuation of 6387933
| * Use GNUInstallDirs to place the build artifacts properlyMarcel Metz2016-09-062-25/+32
| | | | | | | | | | | | | | | | CMake 2.8.5 added the GNUInstallDirs module, which provides various variables following the CMAKE_INSTALL_*DIR pattern to allow users a more flexible installation setup and to provide sensible defaults while respecting distribution specific install locations like lib64 for RPM based linux distributions or debian multiarch tuples.
* | Fix EAX reverb effect output for HRTF and UHJChris Robinson2016-09-131-2/+2
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* | Fix the libatomic checkChris Robinson2016-09-131-4/+14
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* | Merge pull request #70 from snikulov/appveyor_win_cikcat2016-09-131-0/+14
|\ \ | | | | | | build: added appveyor-ci script to verify windows build
| * | build: added appveyour-ci script to verify windows buildSergei Nikulov2016-09-131-0/+14
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* | Check for libatomic, in case C11 atomics need itChris Robinson2016-09-121-0/+9
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* | Call ALfilterState_processC directlyChris Robinson2016-09-124-10/+2
| | | | | | | | | | | | It's the only implementation currently, so there's no point to having it stored as a function pointer in the filter struct. Even if there were SIMD versions, it'd be a global selection, not per-instance.
* | Check if -mfpu=neon is available for compiling the NEON mixerChris Robinson2016-09-121-1/+9
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* | Write to the correct outputs for extra reverb channelsChris Robinson2016-09-111-2/+2
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* | Combine the reverb decorrelator delay line with the main delay lineChris Robinson2016-09-111-46/+26
| | | | | | | | | | | | | | Since it was merely acting as an extension of it anyway, with the second delay line tap (for late reverb) copying attenuated samples to the decorrelator line that was being tapped off of. Just extend the delay line and offset the decorrelator taps to be relative to the late reverb tap.
* | Mark a global variable declaration as externChris Robinson2016-09-111-1/+1
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* | Don't warn if the desired default HRTF is already firstChris Robinson2016-09-101-4/+4
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* | Handle UTF-8 output on Windows in openal-infoChris Robinson2016-09-091-0/+65
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* | Reduce the volume for the HRTF ambisonic decoderChris Robinson2016-09-081-14/+14
| | | | | | | | | | | | | | Since it's accumulating multiple HRIRs for two output speakers, it seems to be a better option to preserve the amplitude of the high-frequency decoder instead of increasing it, and reduce the amplitude of the low-frequency decoder to compensate.
* | Allow specifying the device to open for the examplesChris Robinson2016-09-088-51/+89
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* | Only WARN if GetProcPath fails to find the binaryChris Robinson2016-09-081-1/+1
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