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path: root/Alc/mixer.c
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* Rename speakers to channels, and remove an old incorrect commentChris Robinson2014-11-071-1/+1
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* Use a separate macro for the max output channel countChris Robinson2014-11-071-1/+1
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* Use the copy resampler only when there's no sub-sample offsetChris Robinson2014-11-021-7/+6
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* Add preliminary AL_EXT_BFORMAT supportChris Robinson2014-10-311-0/+17
| | | | | Currently missing the AL_ORIENTATION source property. Gain stepping also does not work.
* Rename activesource to voiceChris Robinson2014-08-211-9/+9
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* Use a NULL source for inactive activesourcesChris Robinson2014-08-211-2/+1
| | | | Also only access the activesource's source field once per update.
* Update COPYING to the latest ↵François Cami2014-08-181-2/+2
| | | | https://www.gnu.org/licenses/old-licenses/lgpl-2.0.txt to fix the FSF' address Fix the FSF' address in the source
* Make the source's buffer queue head and current queue item atomicChris Robinson2014-07-311-13/+14
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* Load soundfont samples into an ALbufferChris Robinson2014-06-291-15/+15
| | | | | Also remove ALsoundfont's now-unneeded sample storage functions and struct fields.
* Get the mixer and resampler functions when neededChris Robinson2014-06-131-12/+73
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* Combine the direct and send mixersChris Robinson2014-06-131-5/+5
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* Combine some dry and wet path typesChris Robinson2014-06-131-1/+1
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* Move InitiatePositionArrays to mixer_defs.hChris Robinson2014-06-061-0/+3
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* Avoid a loop when updating the source position variablesChris Robinson2014-06-021-6/+4
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* Move the active source's offset out of the direct paramsChris Robinson2014-05-241-2/+2
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* Use the current buffer item for static sources tooChris Robinson2014-05-211-1/+1
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* Properly process all samples with a bandpass filterChris Robinson2014-05-211-2/+2
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* Use the correct input for HRTF mixingChris Robinson2014-05-211-1/+1
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* Update the active source's direct and send properties after each mixChris Robinson2014-05-211-10/+9
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* Return a sample pointer from resamplersChris Robinson2014-05-191-7/+10
| | | | Both resampling and filtering now avoid copying samples when they no-op.
* Put per-channel filter properties togetherChris Robinson2014-05-191-11/+14
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* Return a sample pointer from DoFiltersChris Robinson2014-05-191-14/+18
| | | | | This allows us to avoid copying samples when no filtering is needed. Doing the same for resampling would require another temporary buffer in the device.
* Move an HRTF mixer parameter and shorten a couple variable namesChris Robinson2014-05-181-21/+17
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* Don't pass the SendParams to the wet-path mixerChris Robinson2014-05-181-1/+3
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* Don't pass the DirectParams to the dry-path mixerChris Robinson2014-05-181-2/+3
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* Use different parameters for HRTF mixersChris Robinson2014-05-181-3/+12
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* Pass some DirectParams as function parametersChris Robinson2014-05-181-1/+3
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* Add a ALfilterState method to process multiple samples at onceChris Robinson2014-05-181-9/+11
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* Apply high-pass source filters as neededChris Robinson2014-05-171-5/+20
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* Add a flag to specify when the low-pass filter needs to applyChris Robinson2014-05-171-8/+17
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* Ensure that LoopEnd > LoopStartChris Robinson2014-05-151-0/+1
| | | | | | For the benefit of Clang's static analysis, which doesn't know that a static source will always have a valid buffer and a buffer must have a non-0 loop range.
* Store the current buffer queue item, rather than played buffer countChris Robinson2014-05-101-22/+11
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* Avoid checking the previous buffer multiple timesChris Robinson2014-05-101-9/+9
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* Remove an unnecessary conditionalChris Robinson2014-03-231-7/+1
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* Remove the last bits of the predictive sample processingChris Robinson2014-03-231-3/+1
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* Remove the click removal buffers for auxiliary effect slotsChris Robinson2014-03-231-2/+1
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* Remove the now-unneeded click removal buffers for the deviceChris Robinson2014-03-231-2/+1
| | | | | | They are still there for auxiliary sends. However, they should go away soon enough too, and then we won't have to mess around with calculating extra "predictive" samples in the mixer.
* Step mixing gains per-sample for non-HRTF mixingChris Robinson2014-03-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | This fades the dry mixing gains using a logarithmic curve, which should produce a smoother transition than a linear one. It functions similarly to a linear fade except that step = (target - current) / numsteps; ... gain += step; becomes step = powf(target / current, 1.0f / numsteps); ... gain *= step; where 'target' and 'current' are clamped to a lower bound that is greater than 0 (which makes no sense on a logarithmic scale). Consequently, the non-HRTF direct mixers do not do not feed into the click removal and pending click buffers, as this per-sample fading would do an adequate job of stopping clicks and pops caused by extreme gain changes. These buffers should be removed shortly.
* Move the step counter and moving flag to DirectParamsChris Robinson2014-03-231-3/+3
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* Store the HrtfState directly in the DirectParamsChris Robinson2014-03-231-4/+4
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* Store some source mixing parameters in the active source structChris Robinson2014-03-191-10/+11
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* Fix a commentChris Robinson2013-10-261-1/+1
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* Don't store the effect slot in SendParamsChris Robinson2013-10-061-1/+1
| | | | This makes it much more like DirectParams.
* Rename Filter param member to LpFilterChris Robinson2013-10-061-2/+2
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* Use C99's inline instead of __inlineChris Robinson2013-05-281-3/+3
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* Use ALfilterState for the source direct and send filtersChris Robinson2013-05-271-5/+5
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* Use restrict instead of RESTRICTChris Robinson2013-05-221-1/+1
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* Use a properly-defined history for the FILTER structChris Robinson2013-05-211-6/+6
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* Remove the unused Device parameterChris Robinson2012-10-141-2/+2
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* Remove the now-unused Source parameter from the DryMix methodsChris Robinson2012-10-141-2/+2
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