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* Simplify setting a custom channel map configurationChris Robinson2016-03-231-17/+7
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* Up-sample first-order content when using a higher order HQ decoderChris Robinson2016-03-234-2/+101
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* Allow second-order HQ decodingChris Robinson2016-03-231-9/+21
| | | | | | | | Could really do with some optimizations to the mixing gain calculations. For ambisonic targets, the coefficients will only have 1 non-0 entry for each output, so the double loop in unnecessarily wasteful. Similarly, most uses won't need a full height encoding either, so a horizontal-only or mixed-order target could reduce the number of channels.
* Add a specific output for first-order sourcesChris Robinson2016-03-228-5/+53
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* Simplify setting the matrix coeffsChris Robinson2016-03-221-42/+14
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* Add a workaround for a buggy modffChris Robinson2016-03-181-0/+15
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* Store the effect's output buffer in the effect stateChris Robinson2016-03-172-6/+11
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* Make sure enough reverb panning gains are definedChris Robinson2016-03-161-4/+4
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* Rename the BFormat channels to AuxChris Robinson2016-03-162-24/+24
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* Add config options to enable the hq ambisonic decoderChris Robinson2016-03-162-37/+58
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* Properly handle negative matrix values and fix decoder initializationChris Robinson2016-03-152-2/+2
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* Replace the custom layout options with an ambdec loaderChris Robinson2016-03-151-129/+87
| | | | | The ambisonic layout options were never very good for clarity or flexibility. Hopefully using ambdec files will prove to be better.
* Rename a couple functions for more informative loggingChris Robinson2016-03-151-9/+10
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* Add a dual-band ambisonic decoderChris Robinson2016-03-156-15/+461
| | | | | | | | | | This uses a virtual B-Format buffer for mixing, and then uses a dual-band decoder for improved positional quality. This currently only works with first- order output since first-order input (from the AL_EXT_BFROMAT extension) would not sound correct when fed through a second- or third-order decoder. This also does not currently implement near-field compensation since near-field rendering effects are not implemented.
* Downgrade some ERRs to WARNs or TRACEsChris Robinson2016-03-151-8/+9
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* Always mix to the real output for DirectChannelsChris Robinson2016-03-141-19/+7
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* Add a loader for ambdec filesChris Robinson2016-03-142-0/+601
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* Use second-order coefficients for 5.1Chris Robinson2016-03-131-16/+16
| | | | | Since the panning only drives 5 speakers, it shouldn't use more than 5 ambisonic channels (9 total in second order, minus 4 for unused height).
* Use the real output's left and right channels with HRTFChris Robinson2016-03-114-32/+44
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* Separate writing to the output buffer from HRTF filteringChris Robinson2016-03-111-31/+58
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* Update the current HRTF delays if the stepping is not finishedChris Robinson2016-03-111-0/+5
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* Use the proper left and right channels for UHJ outputChris Robinson2016-03-103-7/+14
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* Generalize GetChannelIdxByNameChris Robinson2016-03-104-14/+9
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* Allocate enough reverb panning gainsChris Robinson2016-03-101-2/+6
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* Keep track of the real output's channel namesChris Robinson2016-03-103-81/+65
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* Organize the dry buffer properties into a structChris Robinson2016-03-0913-137/+150
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* Track the virtual and real output buffers ecplicitlyChris Robinson2016-03-093-46/+79
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* Fix reverb with UHJ encodingChris Robinson2016-03-031-1/+1
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* Remove the extra scaling on W for UHJ encodingChris Robinson2016-03-012-10/+28
| | | | | | There seems to be some inconsistent info about whether W should be scaled by sqrt(2) for encoding. Not applying the scaling results in a wider stereo image, which seems more appropriate.
* Separate the left and right output writes with UHJ encodingChris Robinson2016-02-271-9/+12
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* Add an option for pair-wise stereo panningChris Robinson2016-02-262-21/+66
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* Use 2-channel UHJ for stereo outputChris Robinson2016-02-264-52/+76
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* Add a function to encode 2-channel UHJ from B-FormatChris Robinson2016-02-262-0/+140
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* Add and use a copy-range string functionChris Robinson2016-02-243-12/+22
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* Exclude the file extension from the HRTF nameChris Robinson2016-02-241-1/+9
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* Replace the hrtf_tables option with hrtf-pathsChris Robinson2016-02-232-481/+115
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* Remove an unused functionChris Robinson2016-02-231-149/+0
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* Allow selecting a preferred HRTF in alsoft-configChris Robinson2016-02-231-1/+1
| | | | This currently only checks the default paths when they're being used.
* Fix when ESTRPIPE and EPIPE are the sameChris Robinson2016-02-221-0/+2
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* Avoid enumerating the same HRTF file twiceChris Robinson2016-02-211-41/+40
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* Add a config option to specify the preferred HRTFChris Robinson2016-02-211-0/+19
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* Remove an unused declarationChris Robinson2016-02-201-2/+0
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* Include the HRTF filename in the HRTF memory chunkChris Robinson2016-02-202-26/+25
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* Use an 8-channel cube for HRTF's virtual format.Chris Robinson2016-02-204-122/+46
| | | | | | There were phase issues caused by applying HRTF directly to the B-Format channels, since the HRIR delays were all averaged which removed the inter-aural time-delay, which in turn removed significant spatial information.
* Allocate each HRTF as a single chunkChris Robinson2016-02-161-21/+39
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* Remove a dead assignmentChris Robinson2016-02-161-1/+0
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* Only calculate steps for the used coefficientsChris Robinson2016-02-141-1/+1
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* Calculate HRTF stepping params right before mixingChris Robinson2016-02-149-294/+88
| | | | | This means we track the current params and the target params, rather than the target params and the stepping. This closer matches the non-HRTF mixers.
* Calculate channel gain stepping just before mixingChris Robinson2016-02-143-240/+149
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* Don't pass the channel count to GetBFormatHrtfCoeffsChris Robinson2016-02-093-8/+6
| | | | Since it's hard-coded anyway, there's no need to specify it.
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