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* Use a fixed-point scale for the pitch shifter frequency indexChris Robinson2018-05-031-5/+10
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* Avoid excessive if block depthsChris Robinson2018-05-021-12/+6
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* Avoid duplication for getting the cpuidChris Robinson2018-05-021-55/+24
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* Pass in the number of channels per order to InitNearFieldCtrlChris Robinson2018-05-011-26/+14
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* An output device buffer is likelyChris Robinson2018-04-291-1/+1
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* Avoid potentially calling log10f(0)Chris Robinson2018-04-291-1/+1
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* Rename some struct members for clarityChris Robinson2018-04-282-77/+77
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* Fix a comment about a float's mantissaChris Robinson2018-04-281-3/+4
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* Remove some unnecessary floor callsChris Robinson2018-04-281-4/+2
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* Increase the band-split IR for decoding ambisonics to HRTFChris Robinson2018-04-271-8/+16
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* Rename some variables for clarityChris Robinson2018-04-271-31/+29
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* Transpose the band-splitter all-pass sectionChris Robinson2018-04-261-9/+11
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* Use doubles for the pitch shifter's FFTs and processingChris Robinson2018-04-241-43/+68
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* Update ChangeLogChris Robinson2018-04-241-27/+25
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* Don't specialize biquad processing for a single sampleChris Robinson2018-04-241-37/+28
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* Use transposed direct form 2 for the UHJ all-pass filtersChris Robinson2018-04-222-17/+17
| | | | | This has one extra multiply, but avoids two moves and uses almost half as much memory for the encoder state.
* Pre-calculate the squares of the UHJ filter coefficientsChris Robinson2018-04-221-53/+31
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* Change some if checks to asserts since they must be trueChris Robinson2018-04-221-14/+12
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* Include header files in CMake's source listsChris Robinson2018-04-212-52/+99
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* Move the bnad-splitter filters to a separate sourceChris Robinson2018-04-218-136/+152
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* Only use fast float-to-int workarounds for x87Chris Robinson2018-04-211-0/+18
| | | | | | At least SSE and ARM have opcodes that handle float-to-int conversions well enough. Also, Clang doesn't inline lrintf, incurring function call overhead for what should be a single opcode.
* Add some more ASSUME statementsChris Robinson2018-04-214-0/+7
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* Improve ASSUME for ClangChris Robinson2018-04-211-0/+9
| | | | | | | | For some reason, the { if(!x)__builtin_unreachable(); } construct does not provide the same optimization opportunity for Clang (even though the condition being false would trigger undefined behavior by reaching unreachable code, it still performs checks and such for the condition potentially being false). Using __builtin_assume seems to work better.
* Adjust the stereo panning front gainChris Robinson2018-04-191-2/+2
| | | | This gives it a (more) precise -4.5dB gain drop for front-center panned sounds.
* Remove unnecessary undefsChris Robinson2018-04-193-3/+0
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* Clear ALSA's PCM handle after closing itChris Robinson2018-04-191-0/+1
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* Add some ASSUME statements that ensure mixing at least 1 sampleChris Robinson2018-04-186-0/+25
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* Add an ASSUME macro that requires a true conditionChris Robinson2018-04-174-0/+23
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* Accumulate the B-Format HRTF responses using doublesChris Robinson2018-04-171-9/+24
| | | | | The final result is still truncated to single-precision float, but this should keep the responses more stable as it accumulates the various inputs.
* Don't minimize the HRTF per-response delayChris Robinson2018-04-162-11/+7
| | | | | | The reverts both fa9ab9af7cb559ff9ecc1846f2996265bfbea1ec and 79604c3c0e0f3f71832a09348cc273a38882cc3e. As helpful as it was for the high frequencies, the overall response's gain suffered.
* Preliminary ChangeLog updateChris Robinson2018-04-151-0/+50
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* Update .gitignoreChris Robinson2018-04-141-6/+4
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* Rename BiquadState to BiquadFilterChris Robinson2018-04-0410-83/+82
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* Improve ordering of channel processing in makehrtfChris Robinson2018-04-031-55/+58
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* Apply biquad and T60 filters using transposed direct form IIChris Robinson2018-04-035-74/+62
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* Initialize COM using the multithreaded apartmentChris Robinson2018-04-011-7/+7
| | | | | | | I honestly have no idea which is the correct (or better) mode to use given the confusing mess COM is, but CoInitialize uses single-threaded apartments which seems to be a problem for with at least a couple games in the STALKER series (the call fails, which causes us to drop back to the DSound backend).
* Limit the near-field control distance to 10m.Chris Robinson2018-03-311-2/+2
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* Fix HRTF HOA coefficientsChris Robinson2018-03-311-21/+37
| | | | | | ACN8 was accidentally put on ACN7. However, rather than adding the missing channel of silence, set up the coefficient map to only use the ambisonic channels that can contribute to output.
* Fix misspellings of quadraphonicChris Robinson2018-03-305-7/+7
| | | | | AL_LOKI_quadriphonic is left alone since that is what the extension is called and what code expects. All other instances have been fixed for consistency.
* Fix lower elevation synthesis for stereo HRTFsChris Robinson2018-03-291-9/+11
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* Specify Libs.private for the pkg-config fileChris Robinson2018-03-292-1/+13
| | | | | Only used when building the static lib for its dependencies, since the shared lib automatically handles its own dependencies.
* Don't cache SDL2_LIBRARY_TEMP with CMakeChris Robinson2018-03-291-11/+9
| | | | | Otherwise it keeps prepending and appending the same extra libs and flags with each invocation.
* Add simple descriptions to some extension formats in alext.hChris Robinson2018-03-291-0/+35
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* Apply the initial decay and air absorption after gain clampingChris Robinson2018-03-291-42/+42
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* Pass the azimuth and elevation to CalcPanningAndFiltersChris Robinson2018-03-291-42/+32
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* Combine two loopsChris Robinson2018-03-291-27/+25
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* Merge pull request #184 from hhyyrylainen/masterkcat2018-03-291-0/+1
|\ | | | | Added missing string include to alffplay
| * Added missing string include to alffplayHenri Hyyryläinen2018-03-301-0/+1
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* Don't specify macros as arguments to CHECK_INCLUDE_FILE(S)Chris Robinson2018-03-281-2/+13
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* Check all buffers to update a source withChris Robinson2018-03-281-2/+5
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