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#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_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
enum {
REVERB = 0,
MAX_EFFECTS
};
extern ALboolean DisabledEffects[MAX_EFFECTS];
typedef struct ALeffect_struct
{
// Effect type (AL_EFFECT_NULL, ...)
ALenum type;
struct {
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;
} Reverb;
// 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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