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// NOTE: The effect structure is getting too large, it may be a good idea to
// start using a union or another form of unified storage.
#ifndef _AL_EFFECT_H_
#define _AL_EFFECT_H_
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
#define AL_EFFECT_TYPE 0x8001
#define AL_EFFECT_NULL 0x0000
#define AL_EFFECT_REVERB 0x0001
#define AL_EFFECT_CHORUS 0x0002
#define AL_EFFECT_DISTORTION 0x0003
#define AL_EFFECT_ECHO 0x0004
#define AL_EFFECT_FLANGER 0x0005
#define AL_EFFECT_FREQUENCY_SHIFTER 0x0006
#define AL_EFFECT_VOCAL_MORPHER 0x0007
#define AL_EFFECT_PITCH_SHIFTER 0x0008
#define AL_EFFECT_RING_MODULATOR 0x0009
#define AL_EFFECT_AUTOWAH 0x000A
#define AL_EFFECT_COMPRESSOR 0x000B
#define AL_EFFECT_EQUALIZER 0x000C
#define AL_EFFECT_EAXREVERB 0x8000
#define AL_REVERB_DENSITY 0x0001
#define AL_REVERB_DIFFUSION 0x0002
#define AL_REVERB_GAIN 0x0003
#define AL_REVERB_GAINHF 0x0004
#define AL_REVERB_DECAY_TIME 0x0005
#define AL_REVERB_DECAY_HFRATIO 0x0006
#define AL_REVERB_REFLECTIONS_GAIN 0x0007
#define AL_REVERB_REFLECTIONS_DELAY 0x0008
#define AL_REVERB_LATE_REVERB_GAIN 0x0009
#define AL_REVERB_LATE_REVERB_DELAY 0x000A
#define AL_REVERB_AIR_ABSORPTION_GAINHF 0x000B
#define AL_REVERB_ROOM_ROLLOFF_FACTOR 0x000C
#define AL_REVERB_DECAY_HFLIMIT 0x000D
#define AL_REVERB_MIN_DENSITY (0.0f)
#define AL_REVERB_MAX_DENSITY (1.0f)
#define AL_REVERB_DEFAULT_DENSITY (1.0f)
#define AL_REVERB_MIN_DIFFUSION (0.0f)
#define AL_REVERB_MAX_DIFFUSION (1.0f)
#define AL_REVERB_DEFAULT_DIFFUSION (1.0f)
#define AL_REVERB_MIN_GAIN (0.0f)
#define AL_REVERB_MAX_GAIN (1.0f)
#define AL_REVERB_DEFAULT_GAIN (0.32f)
#define AL_REVERB_MIN_GAINHF (0.0f)
#define AL_REVERB_MAX_GAINHF (1.0f)
#define AL_REVERB_DEFAULT_GAINHF (0.89f)
#define AL_REVERB_MIN_DECAY_TIME (0.1f)
#define AL_REVERB_MAX_DECAY_TIME (20.0f)
#define AL_REVERB_DEFAULT_DECAY_TIME (1.49f)
#define AL_REVERB_MIN_DECAY_HFRATIO (0.1f)
#define AL_REVERB_MAX_DECAY_HFRATIO (2.0f)
#define AL_REVERB_DEFAULT_DECAY_HFRATIO (0.83f)
#define AL_REVERB_MIN_REFLECTIONS_GAIN (0.0f)
#define AL_REVERB_MAX_REFLECTIONS_GAIN (3.16f)
#define AL_REVERB_DEFAULT_REFLECTIONS_GAIN (0.05f)
#define AL_REVERB_MIN_REFLECTIONS_DELAY (0.0f)
#define AL_REVERB_MAX_REFLECTIONS_DELAY (0.3f)
#define AL_REVERB_DEFAULT_REFLECTIONS_DELAY (0.007f)
#define AL_REVERB_MIN_LATE_REVERB_GAIN (0.0f)
#define AL_REVERB_MAX_LATE_REVERB_GAIN (10.0f)
#define AL_REVERB_DEFAULT_LATE_REVERB_GAIN (1.26f)
#define AL_REVERB_MIN_LATE_REVERB_DELAY (0.0f)
#define AL_REVERB_MAX_LATE_REVERB_DELAY (0.1f)
#define AL_REVERB_DEFAULT_LATE_REVERB_DELAY (0.011f)
#define AL_REVERB_MIN_AIR_ABSORPTION_GAINHF (0.892f)
#define AL_REVERB_MAX_AIR_ABSORPTION_GAINHF (1.0f)
#define AL_REVERB_DEFAULT_AIR_ABSORPTION_GAINHF (0.994f)
#define AL_REVERB_MIN_ROOM_ROLLOFF_FACTOR (0.0f)
#define AL_REVERB_MAX_ROOM_ROLLOFF_FACTOR (10.0f)
#define AL_REVERB_DEFAULT_ROOM_ROLLOFF_FACTOR (0.0f)
#define AL_REVERB_MIN_DECAY_HFLIMIT (AL_FALSE)
#define AL_REVERB_MAX_DECAY_HFLIMIT (AL_TRUE)
#define AL_REVERB_DEFAULT_DECAY_HFLIMIT (AL_TRUE)
#define AL_ECHO_DELAY 0x0001
#define AL_ECHO_LRDELAY 0x0002
#define AL_ECHO_DAMPING 0x0003
#define AL_ECHO_FEEDBACK 0x0004
#define AL_ECHO_SPREAD 0x0005
#define AL_ECHO_MIN_DELAY (0.0f)
#define AL_ECHO_MAX_DELAY (0.207f)
#define AL_ECHO_DEFAULT_DELAY (0.1f)
#define AL_ECHO_MIN_LRDELAY (0.0f)
#define AL_ECHO_MAX_LRDELAY (0.404f)
#define AL_ECHO_DEFAULT_LRDELAY (0.1f)
#define AL_ECHO_MIN_DAMPING (0.0f)
#define AL_ECHO_MAX_DAMPING (0.99f)
#define AL_ECHO_DEFAULT_DAMPING (0.5f)
#define AL_ECHO_MIN_FEEDBACK (0.0f)
#define AL_ECHO_MAX_FEEDBACK (1.0f)
#define AL_ECHO_DEFAULT_FEEDBACK (0.5f)
#define AL_ECHO_MIN_SPREAD (-1.0f)
#define AL_ECHO_MAX_SPREAD (1.0f)
#define AL_ECHO_DEFAULT_SPREAD (-1.0f)
#define AL_EAXREVERB_DENSITY 0x0001
#define AL_EAXREVERB_DIFFUSION 0x0002
#define AL_EAXREVERB_GAIN 0x0003
#define AL_EAXREVERB_GAINHF 0x0004
#define AL_EAXREVERB_GAINLF 0x0005
#define AL_EAXREVERB_DECAY_TIME 0x0006
#define AL_EAXREVERB_DECAY_HFRATIO 0x0007
#define AL_EAXREVERB_DECAY_LFRATIO 0x0008
#define AL_EAXREVERB_REFLECTIONS_GAIN 0x0009
#define AL_EAXREVERB_REFLECTIONS_DELAY 0x000A
#define AL_EAXREVERB_REFLECTIONS_PAN 0x000B
#define AL_EAXREVERB_LATE_REVERB_GAIN 0x000C
#define AL_EAXREVERB_LATE_REVERB_DELAY 0x000D
#define AL_EAXREVERB_LATE_REVERB_PAN 0x000E
#define AL_EAXREVERB_ECHO_TIME 0x000F
#define AL_EAXREVERB_ECHO_DEPTH 0x0010
#define AL_EAXREVERB_MODULATION_TIME 0x0011
#define AL_EAXREVERB_MODULATION_DEPTH 0x0012
#define AL_EAXREVERB_AIR_ABSORPTION_GAINHF 0x0013
#define AL_EAXREVERB_HFREFERENCE 0x0014
#define AL_EAXREVERB_LFREFERENCE 0x0015
#define AL_EAXREVERB_ROOM_ROLLOFF_FACTOR 0x0016
#define AL_EAXREVERB_DECAY_HFLIMIT 0x0017
#define AL_EAXREVERB_MIN_DENSITY (0.0f)
#define AL_EAXREVERB_MAX_DENSITY (1.0f)
#define AL_EAXREVERB_DEFAULT_DENSITY (1.0f)
#define AL_EAXREVERB_MIN_DIFFUSION (0.0f)
#define AL_EAXREVERB_MAX_DIFFUSION (1.0f)
#define AL_EAXREVERB_DEFAULT_DIFFUSION (1.0f)
#define AL_EAXREVERB_MIN_GAIN (0.0f)
#define AL_EAXREVERB_MAX_GAIN (1.0f)
#define AL_EAXREVERB_DEFAULT_GAIN (0.32f)
#define AL_EAXREVERB_MIN_GAINHF (0.0f)
#define AL_EAXREVERB_MAX_GAINHF (1.0f)
#define AL_EAXREVERB_DEFAULT_GAINHF (0.89f)
#define AL_EAXREVERB_MIN_GAINLF (0.0f)
#define AL_EAXREVERB_MAX_GAINLF (1.0f)
#define AL_EAXREVERB_DEFAULT_GAINLF (1.0f)
#define AL_EAXREVERB_MIN_DECAY_TIME (0.1f)
#define AL_EAXREVERB_MAX_DECAY_TIME (20.0f)
#define AL_EAXREVERB_DEFAULT_DECAY_TIME (1.49f)
#define AL_EAXREVERB_MIN_DECAY_HFRATIO (0.1f)
#define AL_EAXREVERB_MAX_DECAY_HFRATIO (2.0f)
#define AL_EAXREVERB_DEFAULT_DECAY_HFRATIO (0.83f)
#define AL_EAXREVERB_MIN_DECAY_LFRATIO (0.1f)
#define AL_EAXREVERB_MAX_DECAY_LFRATIO (2.0f)
#define AL_EAXREVERB_DEFAULT_DECAY_LFRATIO (1.0f)
#define AL_EAXREVERB_MIN_REFLECTIONS_GAIN (0.0f)
#define AL_EAXREVERB_MAX_REFLECTIONS_GAIN (3.16f)
#define AL_EAXREVERB_DEFAULT_REFLECTIONS_GAIN (0.05f)
#define AL_EAXREVERB_MIN_REFLECTIONS_DELAY (0.0f)
#define AL_EAXREVERB_MAX_REFLECTIONS_DELAY (0.3f)
#define AL_EAXREVERB_DEFAULT_REFLECTIONS_DELAY (0.007f)
#define AL_EAXREVERB_DEFAULT_REFLECTIONS_PAN_XYZ (0.0f)
#define AL_EAXREVERB_MIN_LATE_REVERB_GAIN (0.0f)
#define AL_EAXREVERB_MAX_LATE_REVERB_GAIN (10.0f)
#define AL_EAXREVERB_DEFAULT_LATE_REVERB_GAIN (1.26f)
#define AL_EAXREVERB_MIN_LATE_REVERB_DELAY (0.0f)
#define AL_EAXREVERB_MAX_LATE_REVERB_DELAY (0.1f)
#define AL_EAXREVERB_DEFAULT_LATE_REVERB_DELAY (0.011f)
#define AL_EAXREVERB_DEFAULT_LATE_REVERB_PAN_XYZ (0.0f)
#define AL_EAXREVERB_MIN_ECHO_TIME (0.075f)
#define AL_EAXREVERB_MAX_ECHO_TIME (0.25f)
#define AL_EAXREVERB_DEFAULT_ECHO_TIME (0.25f)
#define AL_EAXREVERB_MIN_ECHO_DEPTH (0.0f)
#define AL_EAXREVERB_MAX_ECHO_DEPTH (1.0f)
#define AL_EAXREVERB_DEFAULT_ECHO_DEPTH (0.0f)
#define AL_EAXREVERB_MIN_MODULATION_TIME (0.04f)
#define AL_EAXREVERB_MAX_MODULATION_TIME (4.0f)
#define AL_EAXREVERB_DEFAULT_MODULATION_TIME (0.25f)
#define AL_EAXREVERB_MIN_MODULATION_DEPTH (0.0f)
#define AL_EAXREVERB_MAX_MODULATION_DEPTH (1.0f)
#define AL_EAXREVERB_DEFAULT_MODULATION_DEPTH (0.0f)
#define AL_EAXREVERB_MIN_AIR_ABSORPTION_GAINHF (0.892f)
#define AL_EAXREVERB_MAX_AIR_ABSORPTION_GAINHF (1.0f)
#define AL_EAXREVERB_DEFAULT_AIR_ABSORPTION_GAINHF (0.994f)
#define AL_EAXREVERB_MIN_HFREFERENCE (1000.0f)
#define AL_EAXREVERB_MAX_HFREFERENCE (20000.0f)
#define AL_EAXREVERB_DEFAULT_HFREFERENCE (5000.0f)
#define AL_EAXREVERB_MIN_LFREFERENCE (20.0f)
#define AL_EAXREVERB_MAX_LFREFERENCE (1000.0f)
#define AL_EAXREVERB_DEFAULT_LFREFERENCE (250.0f)
#define AL_EAXREVERB_MIN_ROOM_ROLLOFF_FACTOR (0.0f)
#define AL_EAXREVERB_MAX_ROOM_ROLLOFF_FACTOR (10.0f)
#define AL_EAXREVERB_DEFAULT_ROOM_ROLLOFF_FACTOR (0.0f)
#define AL_EAXREVERB_MIN_DECAY_HFLIMIT (AL_FALSE)
#define AL_EAXREVERB_MAX_DECAY_HFLIMIT (AL_TRUE)
#define AL_EAXREVERB_DEFAULT_DECAY_HFLIMIT (AL_TRUE)
enum {
EAXREVERB = 0,
REVERB,
ECHO,
MAX_EFFECTS
};
extern ALboolean DisabledEffects[MAX_EFFECTS];
typedef struct ALeffect_struct
{
// Effect type (AL_EFFECT_NULL, ...)
ALenum type;
struct {
// Shared Reverb Properties
ALfloat Density;
ALfloat Diffusion;
ALfloat Gain;
ALfloat GainHF;
ALfloat DecayTime;
ALfloat DecayHFRatio;
ALfloat ReflectionsGain;
ALfloat ReflectionsDelay;
ALfloat LateReverbGain;
ALfloat LateReverbDelay;
ALfloat AirAbsorptionGainHF;
ALfloat RoomRolloffFactor;
ALboolean DecayHFLimit;
// Additional EAX Reverb Properties
ALfloat GainLF;
ALfloat DecayLFRatio;
ALfloat ReflectionsPan[3];
ALfloat LateReverbPan[3];
ALfloat EchoTime;
ALfloat EchoDepth;
ALfloat ModulationTime;
ALfloat ModulationDepth;
ALfloat HFReference;
ALfloat LFReference;
} Reverb;
struct {
ALfloat Delay;
ALfloat LRDelay;
ALfloat Damping;
ALfloat Feedback;
ALfloat Spread;
} Echo;
// Index to itself
ALuint effect;
struct ALeffect_struct *next;
} ALeffect;
ALvoid AL_APIENTRY alGenEffects(ALsizei n, ALuint *effects);
ALvoid AL_APIENTRY alDeleteEffects(ALsizei n, ALuint *effects);
ALboolean AL_APIENTRY alIsEffect(ALuint effect);
ALvoid AL_APIENTRY alEffecti(ALuint effect, ALenum param, ALint iValue);
ALvoid AL_APIENTRY alEffectiv(ALuint effect, ALenum param, ALint *piValues);
ALvoid AL_APIENTRY alEffectf(ALuint effect, ALenum param, ALfloat flValue);
ALvoid AL_APIENTRY alEffectfv(ALuint effect, ALenum param, ALfloat *pflValues);
ALvoid AL_APIENTRY alGetEffecti(ALuint effect, ALenum param, ALint *piValue);
ALvoid AL_APIENTRY alGetEffectiv(ALuint effect, ALenum param, ALint *piValues);
ALvoid AL_APIENTRY alGetEffectf(ALuint effect, ALenum param, ALfloat *pflValue);
ALvoid AL_APIENTRY alGetEffectfv(ALuint effect, ALenum param, ALfloat *pflValues);
ALvoid ReleaseALEffects(ALvoid);
#ifdef __cplusplus
}
#endif
#endif
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