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path: root/Alc/effects/echo.c
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* Convert the dedicated, distortion, echo, and equalizer to C++Chris Robinson2018-11-171-310/+0
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* Replace restrict with RESTRICTChris Robinson2018-10-291-3/+3
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* Remove another duplicate functionChris Robinson2018-09-191-2/+2
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* Add a specific function for truncating float-to-int conversionsChris Robinson2018-05-031-4/+4
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* Rename BiquadState to BiquadFilterChris Robinson2018-04-041-5/+5
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* Apply biquad and T60 filters using transposed direct form IIChris Robinson2018-04-031-14/+8
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* EFX: Align some arrays used in intrinsics (#180)Raulshc2018-03-241-1/+1
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* Rename ALfilterState/Type to BiquadState/TypeChris Robinson2018-03-231-5/+5
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* Move the filter implementation to a separate directoryChris Robinson2018-03-221-0/+1
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* Avoid AL prefix on internal effect state factory typesChris Robinson2018-02-281-8/+8
| | | | Also avoid using the generic V/V0 macros for them
* Construct error messages using parameterized valuesChris Robinson2018-01-251-15/+15
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* Provide messages for the remaining AL errorsChris Robinson2018-01-241-25/+17
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* Ensure NextPowerOf2 is being used correctlyChris Robinson2018-01-111-3/+4
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* Avoid using macros to access anonymous structuresChris Robinson2018-01-111-2/+2
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* Use MixSamples for the echo outputChris Robinson2017-12-191-30/+20
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* Make the echo effect only apply feedback to repeated samplesChris Robinson2017-12-191-11/+16
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* Pass the context to the auxiliary effect update methodChris Robinson2017-09-211-6/+7
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* Change some ALuint parameters to ALsizeiChris Robinson2017-05-021-3/+3
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* Use ALsizei for more index lookupsChris Robinson2017-03-241-15/+15
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* Properly calculate the echo dampingChris Robinson2017-03-241-1/+1
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* Increase the filter slope to -12dB/octaveChris Robinson2017-03-161-1/+1
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* Remove CalcXYZCoeffs and inline CalcAngleCoeffsChris Robinson2017-02-231-2/+2
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* Limit filter gains to -24dBChris Robinson2017-02-221-1/+1
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* Add a ref count to ALeffectStateChris Robinson2016-08-251-15/+25
| | | | | This is mostly just reorganizing the effects to call the Construct method which initializes the ref count.
* Remove the last use of ALfilterState_processSingleChris Robinson2016-07-261-3/+17
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* Avoid using realloc in a number of placesChris Robinson2016-05-211-4/+4
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* Get rid of an unnecessary copy of ALeffectPropsChris Robinson2016-05-131-6/+6
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* Provide (mostly) lockless updates for effect slotsChris Robinson2016-05-121-6/+7
| | | | | | | | | | | | | | | | | Similar to the listener, separate containers are provided atomically for the mixer thread to apply updates without needing to block, and a free-list is used to reuse container objects. A couple things to note. First, the lock is still used when the effect state's deviceUpdate method is called to prevent asynchronous calls to reset the device from interfering. This can be fixed by using the list lock in ALc.c instead. Secondly, old effect states aren't immediately deleted when the effect type changes (the actual type, not just its properties). This is because the mixer thread is intended to be real-time safe, and so can't be freeing anything. They are cleared away when updates reuse the container they were kept in, and they don't incur any extra processing cost, but there may be cases where the memory is kept around until the effect slot is deleted.
* Improve radius behavior with scaling of ambisonic coefficientsChris Robinson2016-04-241-4/+10
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* More directly map coefficients for ambisonic mixing buffersChris Robinson2016-04-151-4/+2
| | | | | | Instead of looping over all the coefficients for each channel with multiplies, when we know only one will have a non-0 factor for ambisonic mixing buffers, just index the one with a non-0 factor.
* Avoid mixing all coefficients together when only some are usedChris Robinson2016-04-151-4/+4
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* Organize the dry buffer properties into a structChris Robinson2016-03-091-2/+4
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* Pass a pointer to the input samples array for effect processingChris Robinson2016-01-271-2/+2
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* Separate calculating ambisonic coefficients from the panning gainsChris Robinson2016-01-251-6/+6
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* Pass in the Q parameter for setting the filter parametersChris Robinson2015-11-011-4/+6
| | | | Also better handle the peaking filter gain.
* Do up to 256 samples at a time with multi-step loopsChris Robinson2014-12-181-2/+2
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* Pas the output device channel count to ALeffectState::processChris Robinson2014-11-071-4/+4
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* Use a separate macro for the max output channel countChris Robinson2014-11-071-2/+2
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* Make ComputeAngleGains use ComputeDirectionalGainsChris Robinson2014-10-021-7/+7
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* 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 LOWPASSFREQREF a float valueChris Robinson2014-05-111-1/+1
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* Use a void* for the effect state Delete method paramChris Robinson2014-03-211-5/+2
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* Use inline initialization for effect state factory vtablesChris Robinson2013-10-071-15/+6
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* Constify the effect parameter of effect gettersChris Robinson2013-10-071-4/+4
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* Use the UNUSED macro in the effectsChris Robinson2013-10-071-6/+5
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* Use a macro for the silence thresholdChris Robinson2013-10-061-2/+2
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* Use helpers to set channel gain arraysChris Robinson2013-10-031-7/+0
| | | | Also avoid unnecessary clearing.
* Fix input and feedback in the echo effectChris Robinson2013-06-101-3/+3
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* Fix up the naming convention of effect methodsChris Robinson2013-05-291-15/+15
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* Use the high-shelf filter in place of low-passChris Robinson2013-05-281-1/+1
| | | | | They effectively both work to lower (or raise) high frequencies. However, the high-shelf performs better when gain=1.
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