Implement distortion and equalizer effects

Code provided by Mike Gorchak

2 files changed, 44 insertions, 0 deletions

diff --git a/OpenAL32/Include/alAuxEffectSlot.h b/OpenAL32/Include/alAuxEffectSlot.h
index e39a3d91..c19eb7b3 100644
--- a/OpenAL32/Include/alAuxEffectSlot.h
+++ b/OpenAL32/Include/alAuxEffectSlot.h
@@ -48,6 +48,8 @@ ALeffectState *ModulatorCreate(void);
 ALeffectState *DedicatedCreate(void);
 ALeffectState *ChorusCreate(void);
 ALeffectState *FlangerCreate(void);
+ALeffectState *EqualizerCreate(void);
+ALeffectState *DistortionCreate(void);
 
 #define ALeffectState_Destroy(a)        ((a)->Destroy((a)))
 #define ALeffectState_DeviceUpdate(a,b) ((a)->DeviceUpdate((a),(b)))
diff --git a/OpenAL32/Include/alEffect.h b/OpenAL32/Include/alEffect.h
index 87dc717d..a3d40b82 100644
--- a/OpenAL32/Include/alEffect.h
+++ b/OpenAL32/Include/alEffect.h
@@ -15,6 +15,8 @@ enum {
     DEDICATED,
     CHORUS,
     FLANGER,
+    EQUALIZER,
+    DISTORTION,
 
     MAX_EFFECTS
 };
@@ -95,6 +97,28 @@ typedef struct ALeffect
         ALfloat Delay;
     } Flanger;
 
+    struct {
+        ALfloat Delay;
+        ALfloat LowCutoff;
+        ALfloat LowGain;
+        ALfloat Mid1Center;
+        ALfloat Mid1Gain;
+        ALfloat Mid1Width;
+        ALfloat Mid2Center;
+        ALfloat Mid2Gain;
+        ALfloat Mid2Width;
+        ALfloat HighCutoff;
+        ALfloat HighGain;
+    } Equalizer;
+
+    struct {
+        ALfloat Edge;
+        ALfloat Gain;
+        ALfloat LowpassCutoff;
+        ALfloat EQCenter;
+        ALfloat EQBandwidth;
+    } Distortion;
+
     void (*SetParami)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALint val);
     void (*SetParamiv)(struct ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals);
     void (*SetParamf)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val);
@@ -149,6 +173,15 @@ void chorus_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, ALin
 void chorus_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val);
 void chorus_GetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals);
 
+void distortion_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val);
+void distortion_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals);
+void distortion_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val);
+void distortion_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals);
+void distortion_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val);
+void distortion_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals);
+void distortion_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val);
+void distortion_GetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals);
+
 void echo_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val);
 void echo_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals);
 void echo_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val);
@@ -158,6 +191,15 @@ void echo_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, ALint
 void echo_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val);
 void echo_GetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals);
 
+void equalizer_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val);
+void equalizer_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals);
+void equalizer_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val);
+void equalizer_SetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals);
+void equalizer_GetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint *val);
+void equalizer_GetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals);
+void equalizer_GetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val);
+void equalizer_GetParamfv(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals);
+
 void flanger_SetParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val);
 void flanger_SetParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals);
 void flanger_SetParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val);