diff options
-rw-r--r-- | Alc/ALc.c | 7 | ||||
-rw-r--r-- | Alc/effects/autowah.c | 271 | ||||
-rw-r--r-- | CMakeLists.txt | 1 | ||||
-rw-r--r-- | OpenAL32/Include/alAuxEffectSlot.h | 1 | ||||
-rw-r--r-- | OpenAL32/Include/alEffect.h | 9 | ||||
-rw-r--r-- | OpenAL32/alAuxEffectSlot.c | 1 | ||||
-rw-r--r-- | OpenAL32/alEffect.c | 7 | ||||
-rw-r--r-- | OpenAL32/alExtension.c | 3 |
8 files changed, 0 insertions, 300 deletions
@@ -666,13 +666,6 @@ static const ALCenums enumeration[] = { DECL(AL_RING_MODULATOR_HIGHPASS_CUTOFF), DECL(AL_RING_MODULATOR_WAVEFORM), -#if 0 - DECL(AL_AUTOWAH_ATTACK_TIME), - DECL(AL_AUTOWAH_PEAK_GAIN), - DECL(AL_AUTOWAH_RELEASE_TIME), - DECL(AL_AUTOWAH_RESONANCE), -#endif - DECL(AL_COMPRESSOR_ONOFF), DECL(AL_EQUALIZER_LOW_GAIN), diff --git a/Alc/effects/autowah.c b/Alc/effects/autowah.c deleted file mode 100644 index c8b70595..00000000 --- a/Alc/effects/autowah.c +++ /dev/null @@ -1,271 +0,0 @@ -/** - * OpenAL cross platform audio library - * Copyright (C) 2013 by Anis A. Hireche, Nasca Octavian Paul - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * Or go to http://www.gnu.org/copyleft/lgpl.html - */ - -#include <stdlib.h> - -#include "config.h" -#include "alu.h" -#include "alFilter.h" -#include "alError.h" -#include "alMain.h" -#include "alAuxEffectSlot.h" - - -/* Auto-wah is simply a low-pass filter with a cutoff frequency that shifts up - * or down depending on the input signal, and a resonant peak at the cutoff. - * - * Currently, we assume a cutoff frequency range of 20hz (no amplitude) to - * 20khz (peak gain). Peak gain is assumed to be in normalized scale. - */ - -typedef struct ALautowahState { - DERIVE_FROM_TYPE(ALeffectState); - - /* Effect gains for each channel */ - ALfloat Gain[MAX_OUTPUT_CHANNELS]; - - /* Effect parameters */ - ALfloat AttackRate; - ALfloat ReleaseRate; - ALfloat Resonance; - ALfloat PeakGain; - ALfloat GainCtrl; - ALfloat Frequency; - - /* Samples processing */ - ALfilterState LowPass; -} ALautowahState; - -static ALvoid ALautowahState_Destruct(ALautowahState *state) -{ - ALeffectState_Destruct(STATIC_CAST(ALeffectState,state)); -} - -static ALboolean ALautowahState_deviceUpdate(ALautowahState *state, ALCdevice *device) -{ - state->Frequency = (ALfloat)device->Frequency; - return AL_TRUE; -} - -static ALvoid ALautowahState_update(ALautowahState *state, const ALCdevice *device, const ALeffectslot *slot, const ALeffectProps *props) -{ - ALfloat attackTime, releaseTime; - - attackTime = props->Autowah.AttackTime * state->Frequency; - releaseTime = props->Autowah.ReleaseTime * state->Frequency; - - state->AttackRate = powf(1.0f/GAIN_SILENCE_THRESHOLD, 1.0f/attackTime); - state->ReleaseRate = powf(GAIN_SILENCE_THRESHOLD/1.0f, 1.0f/releaseTime); - state->PeakGain = props->Autowah.PeakGain; - state->Resonance = props->Autowah.Resonance; - - ComputeAmbientGains(device->Dry, slot->Params.Gain, state->Gain); -} - -static ALvoid ALautowahState_process(ALautowahState *state, ALuint SamplesToDo, const ALfloat (*restrict SamplesIn)[BUFFERSIZE], ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALuint NumChannels) -{ - ALuint it, kt; - ALuint base; - - for(base = 0;base < SamplesToDo;) - { - ALfloat temps[256]; - ALuint td = minu(256, SamplesToDo-base); - ALfloat gain = state->GainCtrl; - - for(it = 0;it < td;it++) - { - ALfloat smp = SamplesIn[0][it+base]; - ALfloat a[3], b[3]; - ALfloat alpha, w0; - ALfloat amplitude; - ALfloat cutoff; - - /* Similar to compressor, we get the current amplitude of the - * incoming signal, and attack or release to reach it. */ - amplitude = fabsf(smp); - if(amplitude > gain) - gain = minf(gain*state->AttackRate, amplitude); - else if(amplitude < gain) - gain = maxf(gain*state->ReleaseRate, amplitude); - gain = maxf(gain, GAIN_SILENCE_THRESHOLD); - - /* FIXME: What range does the filter cover? */ - cutoff = lerp(20.0f, 20000.0f, minf(gain/state->PeakGain, 1.0f)); - - /* The code below is like calling ALfilterState_setParams with - * ALfilterType_LowPass. However, instead of passing a bandwidth, - * we use the resonance property for Q. This also inlines the call. - */ - w0 = F_TAU * cutoff / state->Frequency; - - /* FIXME: Resonance controls the resonant peak, or Q. How? Not sure - * that Q = resonance*0.1. */ - alpha = sinf(w0) / (2.0f * state->Resonance*0.1f); - b[0] = (1.0f - cosf(w0)) / 2.0f; - b[1] = 1.0f - cosf(w0); - b[2] = (1.0f - cosf(w0)) / 2.0f; - a[0] = 1.0f + alpha; - a[1] = -2.0f * cosf(w0); - a[2] = 1.0f - alpha; - - state->LowPass.a1 = a[1] / a[0]; - state->LowPass.a2 = a[2] / a[0]; - state->LowPass.b0 = b[0] / a[0]; - state->LowPass.b1 = b[1] / a[0]; - state->LowPass.b2 = b[2] / a[0]; - - temps[it] = ALfilterState_processSingle(&state->LowPass, smp); - } - state->GainCtrl = gain; - - for(kt = 0;kt < NumChannels;kt++) - { - ALfloat gain = state->Gain[kt]; - if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD)) - continue; - - for(it = 0;it < td;it++) - SamplesOut[kt][base+it] += gain * temps[it]; - } - - base += td; - } -} - -DECLARE_DEFAULT_ALLOCATORS(ALautowahState) - -DEFINE_ALEFFECTSTATE_VTABLE(ALautowahState); - - -typedef struct ALautowahStateFactory { - DERIVE_FROM_TYPE(ALeffectStateFactory); -} ALautowahStateFactory; - -static ALeffectState *ALautowahStateFactory_create(ALautowahStateFactory *UNUSED(factory)) -{ - ALautowahState *state; - - state = ALautowahState_New(sizeof(*state)); - if(!state) return NULL; - SET_VTABLE2(ALautowahState, ALeffectState, state); - - state->AttackRate = 1.0f; - state->ReleaseRate = 1.0f; - state->Resonance = 2.0f; - state->PeakGain = 1.0f; - state->GainCtrl = 1.0f; - - ALfilterState_clear(&state->LowPass); - - return STATIC_CAST(ALeffectState, state); -} - -DEFINE_ALEFFECTSTATEFACTORY_VTABLE(ALautowahStateFactory); - -ALeffectStateFactory *ALautowahStateFactory_getFactory(void) -{ - static ALautowahStateFactory AutowahFactory = { { GET_VTABLE2(ALautowahStateFactory, ALeffectStateFactory) } }; - - return STATIC_CAST(ALeffectStateFactory, &AutowahFactory); -} - - -void ALautowah_setParami(ALeffect *UNUSED(effect), ALCcontext *context, ALenum UNUSED(param), ALint UNUSED(val)) -{ SET_ERROR_AND_RETURN(context, AL_INVALID_ENUM); } -void ALautowah_setParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals) -{ - ALautowah_setParami(effect, context, param, vals[0]); -} -void ALautowah_setParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val) -{ - ALeffectProps *props = &effect->Props; - switch(param) - { - case AL_AUTOWAH_ATTACK_TIME: - if(!(val >= AL_AUTOWAH_MIN_ATTACK_TIME && val <= AL_AUTOWAH_MAX_ATTACK_TIME)) - SET_ERROR_AND_RETURN(context, AL_INVALID_VALUE); - props->Autowah.AttackTime = val; - break; - - case AL_AUTOWAH_RELEASE_TIME: - if(!(val >= AL_AUTOWAH_MIN_RELEASE_TIME && val <= AL_AUTOWAH_MAX_RELEASE_TIME)) - SET_ERROR_AND_RETURN(context, AL_INVALID_VALUE); - props->Autowah.ReleaseTime = val; - break; - - case AL_AUTOWAH_RESONANCE: - if(!(val >= AL_AUTOWAH_MIN_RESONANCE && val <= AL_AUTOWAH_MAX_RESONANCE)) - SET_ERROR_AND_RETURN(context, AL_INVALID_VALUE); - props->Autowah.Resonance = val; - break; - - case AL_AUTOWAH_PEAK_GAIN: - if(!(val >= AL_AUTOWAH_MIN_PEAK_GAIN && val <= AL_AUTOWAH_MAX_PEAK_GAIN)) - SET_ERROR_AND_RETURN(context, AL_INVALID_VALUE); - props->Autowah.PeakGain = val; - break; - - default: - SET_ERROR_AND_RETURN(context, AL_INVALID_ENUM); - } -} -void ALautowah_setParamfv(ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals) -{ - ALautowah_setParamf(effect, context, param, vals[0]); -} - -void ALautowah_getParami(const ALeffect *UNUSED(effect), ALCcontext *context, ALenum UNUSED(param), ALint *UNUSED(val)) -{ SET_ERROR_AND_RETURN(context, AL_INVALID_ENUM); } -void ALautowah_getParamiv(const ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals) -{ - ALautowah_getParami(effect, context, param, vals); -} -void ALautowah_getParamf(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val) -{ - const ALeffectProps *props = &effect->Props; - switch(param) - { - case AL_AUTOWAH_ATTACK_TIME: - *val = props->Autowah.AttackTime; - break; - - case AL_AUTOWAH_RELEASE_TIME: - *val = props->Autowah.ReleaseTime; - break; - - case AL_AUTOWAH_RESONANCE: - *val = props->Autowah.Resonance; - break; - - case AL_AUTOWAH_PEAK_GAIN: - *val = props->Autowah.PeakGain; - break; - - default: - SET_ERROR_AND_RETURN(context, AL_INVALID_ENUM); - } -} -void ALautowah_getParamfv(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals) -{ - ALautowah_getParamf(effect, context, param, vals); -} - -DEFINE_ALEFFECT_VTABLE(ALautowah); diff --git a/CMakeLists.txt b/CMakeLists.txt index 85bc0dda..d8f15153 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -634,7 +634,6 @@ SET(ALC_OBJS Alc/ALc.c Alc/alcConfig.c Alc/alcRing.c Alc/bs2b.c - Alc/effects/autowah.c Alc/effects/chorus.c Alc/effects/compressor.c Alc/effects/dedicated.c diff --git a/OpenAL32/Include/alAuxEffectSlot.h b/OpenAL32/Include/alAuxEffectSlot.h index 034ac217..d0c7c76c 100644 --- a/OpenAL32/Include/alAuxEffectSlot.h +++ b/OpenAL32/Include/alAuxEffectSlot.h @@ -155,7 +155,6 @@ ALvoid ReleaseALAuxiliaryEffectSlots(ALCcontext *Context); ALeffectStateFactory *ALnullStateFactory_getFactory(void); ALeffectStateFactory *ALreverbStateFactory_getFactory(void); -ALeffectStateFactory *ALautowahStateFactory_getFactory(void); ALeffectStateFactory *ALchorusStateFactory_getFactory(void); ALeffectStateFactory *ALcompressorStateFactory_getFactory(void); ALeffectStateFactory *ALdistortionStateFactory_getFactory(void); diff --git a/OpenAL32/Include/alEffect.h b/OpenAL32/Include/alEffect.h index d20ef077..b97b0147 100644 --- a/OpenAL32/Include/alEffect.h +++ b/OpenAL32/Include/alEffect.h @@ -12,7 +12,6 @@ struct ALeffect; enum { EAXREVERB = 0, REVERB, - AUTOWAH, CHORUS, COMPRESSOR, DISTORTION, @@ -51,7 +50,6 @@ const struct ALeffectVtable T##_vtable = { \ extern const struct ALeffectVtable ALeaxreverb_vtable; extern const struct ALeffectVtable ALreverb_vtable; -extern const struct ALeffectVtable ALautowah_vtable; extern const struct ALeffectVtable ALchorus_vtable; extern const struct ALeffectVtable ALcompressor_vtable; extern const struct ALeffectVtable ALdistortion_vtable; @@ -94,13 +92,6 @@ typedef union ALeffectProps { } Reverb; struct { - ALfloat AttackTime; - ALfloat ReleaseTime; - ALfloat PeakGain; - ALfloat Resonance; - } Autowah; - - struct { ALint Waveform; ALint Phase; ALfloat Rate; diff --git a/OpenAL32/alAuxEffectSlot.c b/OpenAL32/alAuxEffectSlot.c index 14066cf9..796eec5b 100644 --- a/OpenAL32/alAuxEffectSlot.c +++ b/OpenAL32/alAuxEffectSlot.c @@ -452,7 +452,6 @@ void InitEffectFactoryMap(void) InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_NULL, ALnullStateFactory_getFactory); InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_EAXREVERB, ALreverbStateFactory_getFactory); InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_REVERB, ALreverbStateFactory_getFactory); - InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_AUTOWAH, ALautowahStateFactory_getFactory); InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_CHORUS, ALchorusStateFactory_getFactory); InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_COMPRESSOR, ALcompressorStateFactory_getFactory); InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_DISTORTION, ALdistortionStateFactory_getFactory); diff --git a/OpenAL32/alEffect.c b/OpenAL32/alEffect.c index 1057f3c1..32053325 100644 --- a/OpenAL32/alEffect.c +++ b/OpenAL32/alEffect.c @@ -450,13 +450,6 @@ static void InitEffectParams(ALeffect *effect, ALenum type) effect->Props.Reverb.DecayHFLimit = AL_REVERB_DEFAULT_DECAY_HFLIMIT; SET_VTABLE1(ALreverb, effect); break; - case AL_EFFECT_AUTOWAH: - effect->Props.Autowah.AttackTime = AL_AUTOWAH_DEFAULT_ATTACK_TIME; - effect->Props.Autowah.PeakGain = AL_AUTOWAH_DEFAULT_PEAK_GAIN; - effect->Props.Autowah.ReleaseTime = AL_AUTOWAH_DEFAULT_RELEASE_TIME; - effect->Props.Autowah.Resonance = AL_AUTOWAH_DEFAULT_RESONANCE; - SET_VTABLE1(ALautowah, effect); - break; case AL_EFFECT_CHORUS: effect->Props.Chorus.Waveform = AL_CHORUS_DEFAULT_WAVEFORM; effect->Props.Chorus.Phase = AL_CHORUS_DEFAULT_PHASE; diff --git a/OpenAL32/alExtension.c b/OpenAL32/alExtension.c index 609cc969..1a559d9c 100644 --- a/OpenAL32/alExtension.c +++ b/OpenAL32/alExtension.c @@ -38,9 +38,6 @@ const struct EffectList EffectList[] = { { "eaxreverb", EAXREVERB, "AL_EFFECT_EAXREVERB", AL_EFFECT_EAXREVERB }, { "reverb", REVERB, "AL_EFFECT_REVERB", AL_EFFECT_REVERB }, -#if 0 - { "autowah", AUTOWAH, "AL_EFFECT_AUTOWAH", AL_EFFECT_AUTOWAH }, -#endif { "chorus", CHORUS, "AL_EFFECT_CHORUS", AL_EFFECT_CHORUS }, { "compressor", COMPRESSOR, "AL_EFFECT_COMPRESSOR", AL_EFFECT_COMPRESSOR }, { "distortion", DISTORTION, "AL_EFFECT_DISTORTION", AL_EFFECT_DISTORTION }, |