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path: root/Alc/hrtf.c
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* Use a more efficient method to blend HRTF delays and coefficientsChris Robinson2012-08-111-26/+42
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* Interpolate between HRTF delay samples using the delay fractionChris Robinson2012-07-201-4/+4
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* Increase the directional change sensitivity for the HRTF deltaChris Robinson2012-07-201-1/+1
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* Use wrappers for float-typed math functionsChris Robinson2012-06-291-6/+6
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* Use the correct loop count for reading the elevation offsets from external ↵Chris Robinson2012-03-171-1/+1
| | | | HRTF files
* Don't assume the calculated HRTF delta for the gain difference is less than 1Chris Robinson2012-03-121-2/+3
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* Add a text file explaining OpenAL Soft's HRTF support and data file formatChris Robinson2012-03-111-15/+0
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* Don't use a double when calculating the HRTF coefficientsChris Robinson2011-10-021-6/+6
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* Use inline assembly for fast float-to-int conversionsChris Robinson2011-09-291-17/+17
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* Look for and use atan2f, log10f, and floorfChris Robinson2011-09-241-3/+3
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* Silence MSVC warnings in the HRTF codeChris Robinson2011-09-231-3/+3
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* Use macros for float-typed PI values, to avoid manual casts everywhereChris Robinson2011-09-221-3/+3
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* Add a ConfigValueStr function, to return the string through a parameterChris Robinson2011-09-191-3/+4
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* Allow loading multiple HRTF tables through a comma-separated listChris Robinson2011-09-181-22/+41
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* Dynamically allocate space for HRTF tablesChris Robinson2011-09-181-7/+45
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* Store the HRTF tables used in the deviceChris Robinson2011-09-181-26/+26
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* Fix comment on external HRTF file formatChris Robinson2011-09-151-2/+2
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* Trace compatible HRTF formats when loading instead of on errorChris Robinson2011-09-151-3/+4
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* Log the function name instead of the source file and line numberChris Robinson2011-09-021-1/+1
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* Rename minF/maxF/clampF to minf/maxf/clampf for consistencyChris Robinson2011-08-161-4/+4
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* Use mini/maxi/clampi and minu/maxu/clampu to replace min/max callsChris Robinson2011-08-161-1/+1
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* Avoid a float->int->float conversionChris Robinson2011-08-161-1/+1
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* Use inline minF/maxF/clampF functions instead of the __min/__max macrosChris Robinson2011-08-161-8/+6
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* Round the HRTF sample step countChris Robinson2011-08-111-4/+5
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* Slightly improve the gain change delta calculationChris Robinson2011-07-191-2/+3
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* Add a lost commentChris Robinson2011-07-181-1/+2
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* Fix GetMovingHrtfCoeffs return typeChris Robinson2011-07-171-1/+1
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* Fade between HRTF coefficients, to reduce noise from sudden changesChris Robinson2011-07-161-2/+138
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* Warn about HRTF being disabled in the compatibility check functionChris Robinson2011-07-161-0/+3
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* Improve the external HRTF data file formatChris Robinson2011-07-161-30/+107
| | | | | Although more parameters are read from the file, some must currently conform to specific values. In the future, these restrictions may be lifted.
* Make the sample rate part of the HRTF structChris Robinson2011-07-151-5/+7
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* Rename the ERROR macro to ERRChris Robinson2011-07-131-3/+3
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* Replace some AL_PRINT calls with proper loggingChris Robinson2011-07-101-3/+3
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* Fix some formattingChris Robinson2011-07-041-2/+2
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* Implement a lerped lookup of the HRTF coefficients/delaysChris Robinson2011-07-041-20/+82
| | | | Code supplied by Christopher Fitzgerald
* Add a function to check if a device is compatible with the Hrtf filterChris Robinson2011-06-251-0/+8
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* Fix formatter for size_tChris Robinson2011-06-241-1/+1
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* Use separate lines for HRTF history and valuesChris Robinson2011-06-171-1/+1
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* Change HRTF table user input formatChris Robinson2011-06-031-25/+25
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* Readd the default HRTF filter (based on the diffuse set)Chris Robinson2011-06-031-1/+3
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* Use a minimum phase HRTF data setChris Robinson2011-06-031-44/+87
| | | | This reduces the coefficient size from 128 down to 32, with a set of delays
* Fix HRTF elevation calculationChris Robinson2011-05-191-4/+4
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* Properly handle elevations that don't have angles up to 180Chris Robinson2011-05-031-4/+7
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* Add an HRTF filter for mono sourcesChris Robinson2011-05-011-0/+75
The data is based on the KEMAR HRTF data provided by MIT, which can be found at <http://sound.media.mit.edu/resources/KEMAR.html>. The compact measurements were used. See hrtf_tables.inc for more information. The filter is only available for stereo output, using a 44100hz playback rate. Note also that it currently only applies to mono sounds, and the cf_level and head_dampen config options are ignored while it is active.
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