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* Use the panning algorithms to build the multi-channel source matrixChris Robinson2011-05-061-92/+132
| | | | | This prevents the stereo-duplication option from working. It should hopefully be restored soon.
* Remove some redundancyChris Robinson2011-05-061-6/+5
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* Minor source update fixesChris Robinson2011-05-061-3/+3
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* Remove the head_dampen optionChris Robinson2011-05-061-14/+0
| | | | Now that HRTF is properly supported, it's not needed
* Mark a couple more pointers as restrictedChris Robinson2011-05-061-2/+3
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* Use the same filters for mono sources and multi-channelChris Robinson2011-05-031-8/+3
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* Fix non-spatialized mono sourcesChris Robinson2011-05-021-1/+15
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* Implement HRTF mixers for multi-channel sourcesChris Robinson2011-05-021-43/+178
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* Use flags instead of separate boolsChris Robinson2011-05-011-4/+2
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* Add an HRTF filter for mono sourcesChris Robinson2011-05-011-15/+33
| | | | | | | | | | 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.
* Add a compatibility option to treat cone angles as half anglesChris Robinson2011-04-221-2/+2
| | | | | | | | | | All previous versions of the library treated the source cone angles as half angles, which is contrary to the spec. Setting the __ALSOFT_HALF_ANGLE_CONES environment variable to "true" or "1" restores the buggy behavior for compatibility with applications that expect it. This is not a config file option because new apps should not be made to depend on the old behavior.
* Convert full-width cone angle source properties to half-widthChris Robinson2011-04-221-3/+3
| | | | | | The spec intends the property values to be the full angle encompassed by the cones, but the calculation interprets them as the angle from the center point.
* Apply the device matrix to the multi-channel source matrixChris Robinson2011-04-141-72/+74
| | | | | | | Mono sources and effects already output according to the available output device channels. Multiplying the device matrix with the source matrix results in a matrix that has the same effect as applying the source matrix followed by the device matrix, so all the channel remixing can be done in one place.
* Invert the device matrix row/columnChris Robinson2011-03-131-4/+4
| | | | It is accessed now as mat[target][source]
* Remove more unneeded castsChris Robinson2011-03-131-5/+5
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* Remove unnecessary castsChris Robinson2011-03-131-2/+2
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* Use a matrix when rendering to the dry bufferChris Robinson2010-12-091-28/+78
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* Make better use of the type range when converting from floatChris Robinson2010-12-091-22/+14
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* Remove some now-unused functionsChris Robinson2010-12-081-106/+0
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* Separate device format into 'channel config' and 'sample type' componentsChris Robinson2010-12-041-37/+26
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* Add functions to write (signed) byte and ushort samples to devicesChris Robinson2010-12-021-1/+34
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* Template-ize the device buffer writing functionsChris Robinson2010-12-011-83/+144
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* Rename OUTPUTCHANNELS to something more descriptiveChris Robinson2010-12-011-13/+13
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* Reorder some parameters for consistencyChris Robinson2010-11-291-4/+4
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* Uninline some functionsChris Robinson2010-11-281-0/+106
| | | | Also add -Winline to the compiler command line to watch for future inline problems
* Rename some stuff for consistencyChris Robinson2010-11-281-2/+2
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* Don't store the internal format in the bufferChris Robinson2010-11-281-4/+4
| | | | The type and channel config are good enough
* Use the enums in a couple more placesChris Robinson2010-11-271-4/+4
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* Fix step calculationsChris Robinson2010-11-261-4/+0
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* Fix some commentsChris Robinson2010-11-261-4/+5
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* Properly clamp high pitch valuesChris Robinson2010-11-261-24/+35
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* Make a FRACTIONONE macro, and use itChris Robinson2010-11-261-4/+4
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* Slightly improve channel gain calculationsChris Robinson2010-11-261-2/+2
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* Call MixSource directly, instead of through a function pointerChris Robinson2010-11-251-1/+1
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* Reorder some stored source paramsChris Robinson2010-11-241-3/+3
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* Get rid of the device timer stuffChris Robinson2010-11-211-1/+0
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* Move aluMixData back to ALu.cChris Robinson2010-11-211-0/+217
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* Use the number of sends the device is configured for in more placesChris Robinson2010-11-061-10/+0
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* Rename a couple more variablesChris Robinson2010-10-101-37/+35
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* Improve naming and placement of a couple variablesChris Robinson2010-10-101-12/+14
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* Simplify a calculationChris Robinson2010-10-091-2/+1
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* Better protect against negative attenuationChris Robinson2010-09-241-1/+4
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* Store air absorption factor locallyChris Robinson2010-09-121-3/+5
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* Prevent effectiveDist from going negativeChris Robinson2010-09-111-1/+1
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* Combine non-attenuated source calculation functionsChris Robinson2010-08-071-156/+62
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* Calculate the source stepping value with the param calculationsChris Robinson2010-08-071-5/+40
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* Calculate the actual stepping value in the source update methodChris Robinson2010-08-071-4/+42
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* Combine stereo and stereo-duplicate mixersChris Robinson2010-08-051-0/+144
| | | | | Use a separate update method for stereo sources to the set appropriate channel gains
* Move the core mixer functions to a separate source fileChris Robinson2010-08-031-752/+1
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* Use a callback to specify the source update methodChris Robinson2010-08-031-7/+3
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