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* Add SSE2 and SSE4.1 cubic resamplersChris Robinson2014-12-154-0/+139
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* Use a lookup table to do cubic resamplingChris Robinson2014-12-155-11/+29
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* Transpose the cubic matrix opChris Robinson2014-12-151-6/+6
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* Use the default channel layout in alffplay if one isn't specifiedChris Robinson2014-12-121-1/+3
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* Don't pass float literals for unsigned intsChris Robinson2014-12-061-2/+2
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* Fix a potential leak when opening a data file on WindowsChris Robinson2014-12-011-0/+2
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* Remove IrSize from DirectParamsChris Robinson2014-11-293-4/+4
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* Remove an unnecessary maxf()Chris Robinson2014-11-291-1/+1
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* Check mmdevice endpoint for being headphonesChris Robinson2014-11-272-1/+33
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* Avoid unnecessary uses of ALCdevice_Lock and ALCdevice_UnlockChris Robinson2014-11-271-8/+8
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* Set headphones when dsound reports headphonesChris Robinson2014-11-271-1/+3
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* Improve ambient gain calculationsChris Robinson2014-11-252-5/+5
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* Support B-Format output with the wave file writerChris Robinson2014-11-2510-2/+67
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* Halve the gain of the Cube8 coefficientsChris Robinson2014-11-251-8/+8
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* Fix reverb panning directionChris Robinson2014-11-251-2/+2
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* Shorten a couple linesChris Robinson2014-11-251-3/+3
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* Use linear gain steppingChris Robinson2014-11-254-31/+25
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* Pass the step count to the Update*Stepping methodsChris Robinson2014-11-251-25/+32
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* Fix __ALSOFT_REVERSE_Z with non-HRTF outputChris Robinson2014-11-251-23/+21
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* Use a separate method to set initial HRTF coefficientsChris Robinson2014-11-244-6/+52
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* Require at least pulse client 0.9.16Chris Robinson2014-11-241-48/+8
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* Trace PulseAudio's active portChris Robinson2014-11-241-2/+5
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* Make CalcHrtfDelta more genericChris Robinson2014-11-243-39/+40
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* Move the voice's last position and gain out of the Hrtf containerChris Robinson2014-11-242-12/+13
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* Rename step to stepsChris Robinson2014-11-241-4/+4
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* Use a macro to reduce code duplicationChris Robinson2014-11-231-14/+12
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* Avoid using ALCdevice_Lock and ALCdevice_Unlock unnecessarilyChris Robinson2014-11-231-12/+12
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* Update a commentChris Robinson2014-11-231-3/+3
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* Set headphones when pulse reports using the headphones portChris Robinson2014-11-231-0/+3
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* Add a boolean to specify if a device is headphonesChris Robinson2014-11-232-1/+5
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* Swap delta and step, remove double semicolonsChris Robinson2014-11-231-15/+15
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* Remove unused channel enumsChris Robinson2014-11-232-4/+0
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* Remove the cube+diamond virtual layoutChris Robinson2014-11-232-52/+8
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* Add an option for a simpler virtual channel setupChris Robinson2014-11-231-21/+53
| | | | | | With HRTF mixing, certain things are mixed to virtual channels to be filtered with HRTF later. This allows for using an 8-channel cube instead of a 14- channel cube+diamond.
* Partially revert "Use a different method for HRTF mixing"Chris Robinson2014-11-2313-32/+520
| | | | | | | | | | | | The sound localization with virtual channel mixing was just too poor, so while it's more costly to do per-source HRTF mixing, it's unavoidable if you want good localization. This is only partially reverted because having the virtual channel is still beneficial, particularly with B-Format rendering and effect mixing which otherwise skip HRTF processing. As before, the number of virtual channels can potentially be customized, specifying more or less channels depending on the system's needs.
* Handle loopback devices when deciding to use HRTFChris Robinson2014-11-231-20/+18
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* Remove a couple unnecessary tracesChris Robinson2014-11-221-2/+0
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* Attempt to use BS2B when using headphones without HRTFChris Robinson2014-11-222-21/+23
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* Update some config descriptionsChris Robinson2014-11-221-5/+8
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* Document the stereo-mode config optionChris Robinson2014-11-221-0/+5
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* Rework HRTF decision logicChris Robinson2014-11-223-36/+64
| | | | | | This way takes into account a new stereo-mode config option, which when set to "headphones" will default to using HRTF. Eventually the device will also be able to specify if headphones are being used.
* Remove an unused macroChris Robinson2014-11-221-3/+0
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* Rename Voice's NumChannels to OutChannelsChris Robinson2014-11-223-8/+8
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* Only update the necessary channelsChris Robinson2014-11-221-2/+2
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* Mix DirectChannel sources to the non-virtual channel buffersChris Robinson2014-11-221-1/+18
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* Store the number of output channels in the voiceChris Robinson2014-11-223-1/+4
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* Remove an unnecessary union containerChris Robinson2014-11-223-10/+8
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* Move a warning check earlierChris Robinson2014-11-221-8/+8
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* Use a different method for HRTF mixingChris Robinson2014-11-2215-558/+198
| | | | | | | | | | | | | | | | | | | | | | | This new method mixes sources normally into a 14-channel buffer with the channels placed all around the listener. HRTF is then applied to the channels given their positions and written to a 2-channel buffer, which gets written out to the device. This method has the benefit that HRTF processing becomes more scalable. The costly HRTF filters are applied to the 14-channel buffer after the mix is done, turning it into a post-process with a fixed overhead. Mixing sources is done with normal non-HRTF methods, so increasing the number of playing sources only incurs normal mixing costs. Another benefit is that it improves B-Format playback since the soundfield gets mixed into speakers covering all three dimensions, which then get filtered based on their locations. The main downside to this is that the spatial resolution of the HRTF dataset does not play a big role anymore. However, the hope is that with ambisonics- based panning, the perceptual position of panned sounds will still be good. It is also an option to increase the number of virtual channels for systems that can handle it, or maybe even decrease it for weaker systems.
* Balance the left and right channels for quad outputChris Robinson2014-11-211-2/+2
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