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* Alsoft-config: Add pitch shifter effectRaulshc2018-03-181-1/+1
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* Rename the mmdevapi backend to wasapiChris Robinson2018-03-091-2/+2
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* Remove standard reverb specific processing functionsChris Robinson2018-01-071-6/+0
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* Replace the sinc4 resampler with cubicChris Robinson2018-01-071-1/+1
| | | | | | | Turns out the C version of the cubic resampler is just slightly faster than even the SSE3 version of the FIR4 resampler. This is likely due to not using a 64KB random-access lookup table along with unaligned loads, both offseting the gains from SSE.
* Add a higher quality bsinc resampler using 24 sample pointsChris Robinson2017-08-271-3/+4
| | | | | | | This improves the transition width, allowing more of the higher frequencies remain audible. It would be preferrable to have an upper limit of 32 points instead of 48, to reduce the overall table size and the CPU cost for down- sampling.
* Add a front-stablizer config option for surround sound modesChris Robinson2017-07-311-0/+8
| | | | | | | | | | | | This improves a stereo (front-left + front-right) sound "image" by generating a front-center channel signal. Done correctly, it helps reduce the comb effects and phase errors associated with using only two speakers to simulate center sounds. Note that it shouldn't be used if the front-center channel is already included in the positional audio mix (the dialog effect is okay). In general, it may actually be better to exclude the front-center channel from the positional audio mix and use this to generate front-center output.
* Make the dithering depth configurableChris Robinson2017-06-171-3/+10
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* Add an option to dither 8- and 16-bit outputChris Robinson2017-05-231-0/+6
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* Document the output-limiter config optionChris Robinson2017-04-261-0/+6
| | | | Expose it in alsoft-config as well.
* Handle the nfc-ref-delay config optionChris Robinson2017-03-121-0/+10
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* Document the nfc config option and expose it in alsoft-configChris Robinson2017-03-121-0/+9
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* Rename stereo-panning option to stereo-encodingChris Robinson2017-02-221-7/+8
| | | | Also rename the 'paired' value to 'panpot', and make it the default.
* Reduce the default period count to 3Chris Robinson2017-02-221-1/+1
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* Make the "sends" config option act as a limitChris Robinson2017-02-211-4/+3
| | | | | Instead of forcing the device to always use the specified send count, it simply limits requests to it.
* Increase the default effect slot and send countChris Robinson2017-02-211-2/+2
| | | | | | | | | | The default number of auxiliary effect slots is now 64. This can still be raised by the config file without a hard maximum, but incurs processing cost for each effect slot generated by the app. The default number of source sends is now actually 2, as per the EFX docs. However, it can be raised up to 16 via ALC_MAX_AUXILIARY_SENDS attribute requests, rather than the previous 4.
* Remove mention of the sinc8 resamplerChris Robinson2017-02-201-1/+0
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* Allow distance compensation for non-HQ rendering as wellChris Robinson2017-02-201-3/+2
| | | | | It still requires a custom configuration to specify appropriate speaker distances.
* Remove the separate surround51rear decoder optionChris Robinson2017-02-191-7/+2
| | | | | | Both 5.1 Side and Rear configurations use 'surround51' to look up the appropriate decoder file. The decoder loader already handles mapping between rear and side channels, so there's no need for separate options.
* Add a volume-adjust config option to adjust the source output volumeChris Robinson2016-09-241-0/+7
| | | | | | | | | Designed for apps that either don't change the listener's AL_GAIN, or don't allow the listener's AL_GAIN to go above 1. This allows the volume to still be increased further than such apps may allow, if users find it too quiet. Be aware that increasing this can easily cause clipping. The gain limit reported by AL_GAIN_LIMIT_SOFT is also affected by this.
* Add an option to specify the ambisonic output configurationChris Robinson2016-07-311-0/+5
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* Update alsoftrc.sample with the new channel configurationsChris Robinson2016-07-301-1/+4
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* Update alsoftrc.sample for proper txt filenamesChris Robinson2016-07-301-8/+8
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* Update a config option commentChris Robinson2016-04-221-3/+2
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* Add a text file describing AmbDec config file support.Chris Robinson2016-03-271-6/+11
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* Document the ambisonic decoder optionsChris Robinson2016-03-261-0/+46
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* Add an option for pair-wise stereo panningChris Robinson2016-02-261-0/+8
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* Replace the hrtf_tables option with hrtf-pathsChris Robinson2016-02-231-11/+7
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* Allow selecting a preferred HRTF in alsoft-configChris Robinson2016-02-231-2/+2
| | | | This currently only checks the default paths when they're being used.
* Add a config option to specify the preferred HRTFChris Robinson2016-02-211-0/+6
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* Use %s.mhr for the default hrtf table listChris Robinson2015-12-051-1/+1
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* Support %s as a string matching markerChris Robinson2015-12-051-0/+1
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* Remove autowah from the excludefx listChris Robinson2015-11-091-2/+2
| | | | | The autowah effect hasn't been enabled for some time due to issues with it breaking output, and doesn't seem likely to get fixed any time soon.
* Update the fix-rate config option descriptionChris Robinson2015-11-091-2/+2
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* Add options to disable Pulse's and ALSA's resamplersChris Robinson2015-11-071-1/+15
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* Implement a band-limited sinc resamplerChris Robinson2015-11-051-0/+2
| | | | | | | | This is essentially a 12-point sinc resampler, unless it's resampling to a rate higher than the output, at which point it will vary between 12 and 24 points and do anti-aliasing to avoid/reduce frequencies going over nyquist. Code provided by Christopher Fitzgerald.
* Replace the Lanczos window with Kaiser for the sinc resamplerChris Robinson2015-11-041-2/+2
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* Remove the MIDI codeChris Robinson2015-10-201-23/+0
| | | | | | | The extension's not going anywhere, and it can't do anything fluidsynth can't. The code maintenance and bloat is not worth keeping around, and ideally the AL API would be able to facilitate MIDI-like behavior anyway (envelopes, start-at- time, etc).
* Replace the sinc6 resampler with sinc8, and make SSE versionsChris Robinson2015-10-111-1/+1
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* Move the FIR4 from SSE2 to SSE3Chris Robinson2015-10-111-2/+2
| | | | | SSE3 can avoid the slow _MM_TRANSPOSE_PS4 call thanks to the inclusion of horizontal adds.
* Implement a 6-point sinc-lanczos filterChris Robinson2015-09-291-0/+1
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* Auto-replace the "cubic" resampler with "sinc4"Chris Robinson2015-09-281-1/+1
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* Replace the cubic resampler with a 4-point sinc/lanczos filterChris Robinson2015-09-271-1/+1
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* Allow the hrtf_tables option to be device-specificChris Robinson2015-09-201-1/+1
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* Change the hrtf config option to expect auto/true/false instead of a boolChris Robinson2015-09-041-4/+5
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* Make option and block names case-sensitiveChris Robinson2015-09-041-2/+2
| | | | | This is to avoid any issues with device names that can be case-sensitive, and strcasecmp not working properly for non-ASCII-7 uppercase characters.
* Reverse the device and block names for device-specific optionsChris Robinson2015-09-041-1/+1
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* Document the bformat config optionChris Robinson2015-08-281-0/+5
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* Document device-specific config optionsChris Robinson2015-08-281-29/+35
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* Update the default value for JACK's spawn-server optionChris Robinson2015-08-261-1/+1
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* Add an option to prevent spawning a JACK serverChris Robinson2014-12-221-0/+5
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