AC/source/include/AL/efx.h

#ifndef __efx_h_
#define __efx_h_


#ifdef __cplusplus
extern "C" {
#endif

#define ALC_EXT_EFX_NAME                                   "ALC_EXT_EFX"

/**
 * Context definitions to be used with alcCreateContext.
 * These values must be unique and not conflict with other 
 * al context values.
 */
#define ALC_EFX_MAJOR_VERSION                              0x20001
#define ALC_EFX_MINOR_VERSION                              0x20002
#define ALC_MAX_AUXILIARY_SENDS                            0x20003




/**
 * Listener definitions to be used with alListener functions.
 * These values must be unique and not conflict with other 
 * al listener values.
 */
#define AL_METERS_PER_UNIT                                 0x20004




/**
 * Source definitions to be used with alSource functions.
 * These values must be unique and not conflict with other 
 * al source values.
 */
#define AL_DIRECT_FILTER                                   0x20005
#define AL_AUXILIARY_SEND_FILTER                           0x20006
#define AL_AIR_ABSORPTION_FACTOR                           0x20007
#define AL_ROOM_ROLLOFF_FACTOR                             0x20008
#define AL_CONE_OUTER_GAINHF                               0x20009
#define AL_DIRECT_FILTER_GAINHF_AUTO                       0x2000A
#define AL_AUXILIARY_SEND_FILTER_GAIN_AUTO                 0x2000B
#define AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO               0x2000C




/**
 * Effect object definitions to be used with alEffect functions.
 *
 * Effect parameter value definitions, ranges, and defaults
 * appear farther down in this file.
 */

/* Reverb Parameters */
#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

/* Chorus Parameters */
#define AL_CHORUS_WAVEFORM                                 0x0001
#define	AL_CHORUS_PHASE                                    0x0002
#define AL_CHORUS_RATE                                     0x0003
#define AL_CHORUS_DEPTH                                    0x0004
#define AL_CHORUS_FEEDBACK                                 0x0005
#define AL_CHORUS_DELAY                                    0x0006

/* Distortion Parameters */
#define AL_DISTORTION_EDGE                                 0x0001
#define AL_DISTORTION_GAIN                                 0x0002
#define AL_DISTORTION_LOWPASS_CUTOFF                       0x0003
#define AL_DISTORTION_EQCENTER                             0x0004
#define AL_DISTORTION_EQBANDWIDTH                          0x0005

/* Echo Parameters */
#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

/* Flanger Parameters */
#define AL_FLANGER_WAVEFORM                                0x0001
#define AL_FLANGER_PHASE                                   0x0002
#define AL_FLANGER_RATE                                    0x0003
#define AL_FLANGER_DEPTH                                   0x0004
#define AL_FLANGER_FEEDBACK                                0x0005
#define AL_FLANGER_DELAY                                   0x0006

/* Frequencyshifter Parameters */
#define AL_FREQUENCY_SHIFTER_FREQUENCY                     0x0001
#define AL_FREQUENCY_SHIFTER_LEFT_DIRECTION                0x0002
#define AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION               0x0003

/* Vocalmorpher Parameters */
#define AL_VOCAL_MORPHER_PHONEMEA                          0x0001
#define AL_VOCAL_MORPHER_PHONEMEA_COARSE_TUNING            0x0002
#define AL_VOCAL_MORPHER_PHONEMEB                          0x0003
#define AL_VOCAL_MORPHER_PHONEMEB_COARSE_TUNING            0x0004
#define AL_VOCAL_MORPHER_WAVEFORM                          0x0005
#define AL_VOCAL_MORPHER_RATE                              0x0006

/* Pitchshifter Parameters */
#define AL_PITCH_SHIFTER_COARSE_TUNE                       0x0001
#define AL_PITCH_SHIFTER_FINE_TUNE                         0x0002

/* Ringmodulator Parameters */
#define AL_RING_MODULATOR_FREQUENCY                        0x0001
#define AL_RING_MODULATOR_HIGHPASS_CUTOFF                  0x0002
#define AL_RING_MODULATOR_WAVEFORM                         0x0003

/* Autowah Parameters */
#define AL_AUTOWAH_ATTACK_TIME                             0x0001
#define AL_AUTOWAH_RELEASE_TIME                            0x0002
#define AL_AUTOWAH_RESONANCE                               0x0003
#define AL_AUTOWAH_PEAK_GAIN                               0x0004

/* Compressor Parameters */
#define AL_COMPRESSOR_ONOFF                                0x0001

/* Equalizer Parameters */
#define AL_EQUALIZER_LOW_GAIN                              0x0001
#define AL_EQUALIZER_LOW_CUTOFF                            0x0002
#define AL_EQUALIZER_MID1_GAIN                             0x0003
#define AL_EQUALIZER_MID1_CENTER                           0x0004
#define AL_EQUALIZER_MID1_WIDTH                            0x0005
#define AL_EQUALIZER_MID2_GAIN                             0x0006
#define AL_EQUALIZER_MID2_CENTER                           0x0007
#define AL_EQUALIZER_MID2_WIDTH                            0x0008
#define AL_EQUALIZER_HIGH_GAIN                             0x0009
#define AL_EQUALIZER_HIGH_CUTOFF                           0x000A

/* Effect type */
#define AL_EFFECT_FIRST_PARAMETER                          0x0000
#define AL_EFFECT_LAST_PARAMETER                           0x8000
#define AL_EFFECT_TYPE                                     0x8001

/* Effect type definitions to be used with AL_EFFECT_TYPE. */
#define AL_EFFECT_NULL                                     0x0000  /* Can also be used as an Effect Object ID */
#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

/**
 * Auxiliary Slot object definitions to be used with alAuxiliaryEffectSlot functions.
 */
#define AL_EFFECTSLOT_EFFECT                               0x0001
#define AL_EFFECTSLOT_GAIN                                 0x0002
#define AL_EFFECTSLOT_AUXILIARY_SEND_AUTO                  0x0003

/**
 * Value to be used as an Auxiliary Slot ID to disable a source send..
 */
#define AL_EFFECTSLOT_NULL                                 0x0000



/**
 * Filter object definitions to be used with alFilter functions.
 */

/* Lowpass parameters. */
#define AL_LOWPASS_GAIN                                    0x0001
#define AL_LOWPASS_GAINHF                                  0x0002

/* Highpass Parameters */
#define AL_HIGHPASS_GAIN                                   0x0001
#define AL_HIGHPASS_GAINLF                                 0x0002

/* Bandpass Parameters */
#define AL_BANDPASS_GAIN                                   0x0001
#define AL_BANDPASS_GAINLF                                 0x0002
#define AL_BANDPASS_GAINHF                                 0x0003

/* Filter type */
#define AL_FILTER_FIRST_PARAMETER                          0x0000
#define AL_FILTER_LAST_PARAMETER                           0x8000
#define AL_FILTER_TYPE                                     0x8001

/* Filter type definitions to be used with AL_FILTER_TYPE. */
#define AL_FILTER_NULL                                     0x0000  /* Can also be used as a Filter Object ID */
#define	AL_FILTER_LOWPASS                                  0x0001
#define AL_FILTER_HIGHPASS                                 0x0002
#define AL_FILTER_BANDPASS                                 0x0003


/**
 * Effect object functions.
 */

/* Create Effect objects. */
typedef void (__cdecl *LPALGENEFFECTS)( ALsizei n, ALuint* effects );

/* Delete Effect objects. */
typedef void (__cdecl *LPALDELETEEFFECTS)( ALsizei n, ALuint* effects );

/* Verify a handle is a valid Effect. */ 
typedef ALboolean (__cdecl *LPALISEFFECT)( ALuint eid );

/* Set an integer parameter for an Effect object. */
typedef void (__cdecl *LPALEFFECTI)( ALuint eid, ALenum param, ALint value); 
typedef void (__cdecl *LPALEFFECTIV)( ALuint eid, ALenum param, ALint* values ); 

/* Set a floating point parameter for an Effect object. */
typedef void (__cdecl *LPALEFFECTF)( ALuint eid, ALenum param, ALfloat value); 
typedef void (__cdecl *LPALEFFECTFV)( ALuint eid, ALenum param, ALfloat* values ); 

/* Get an integer parameter for an Effect object. */
typedef void (__cdecl *LPALGETEFFECTI)( ALuint eid, ALenum pname, ALint* value );
typedef void (__cdecl *LPALGETEFFECTIV)( ALuint eid, ALenum pname, ALint* values );

/* Get a floating point parameter for an Effect object. */
typedef void (__cdecl *LPALGETEFFECTF)( ALuint eid, ALenum pname, ALfloat* value );
typedef void (__cdecl *LPALGETEFFECTFV)( ALuint eid, ALenum pname, ALfloat* values );


/**
 * Filter object functions
 */

/* Create Filter objects. */
typedef void (__cdecl *LPALGENFILTERS)( ALsizei n, ALuint* filters ); 

/* Delete Filter objects. */
typedef void (__cdecl *LPALDELETEFILTERS)( ALsizei n, ALuint* filters );

/* Verify a handle is a valid Filter. */ 
typedef ALboolean (__cdecl *LPALISFILTER)( ALuint fid );

/* Set an integer parameter for a Filter object. */
typedef void (__cdecl *LPALFILTERI)( ALuint fid, ALenum param, ALint value ); 
typedef void (__cdecl *LPALFILTERIV)( ALuint fid, ALenum param, ALint* values ); 

/* Set a floating point parameter for an Filter object. */
typedef void (__cdecl *LPALFILTERF)( ALuint fid, ALenum param, ALfloat value); 
typedef void (__cdecl *LPALFILTERFV)( ALuint fid, ALenum param, ALfloat* values ); 

/* Get an integer parameter for a Filter object. */
typedef void (__cdecl *LPALGETFILTERI)( ALuint fid, ALenum pname, ALint* value );
typedef void (__cdecl *LPALGETFILTERIV)( ALuint fid, ALenum pname, ALint* values );

/* Get a floating point parameter for a Filter object. */
typedef void (__cdecl *LPALGETFILTERF)( ALuint fid, ALenum pname, ALfloat* value );
typedef void (__cdecl *LPALGETFILTERFV)( ALuint fid, ALenum pname, ALfloat* values );


/**
 * Auxiliary Slot object functions
 */

/* Create Auxiliary Slot objects. */
typedef void (__cdecl *LPALGENAUXILIARYEFFECTSLOTS)( ALsizei n, ALuint* slots ); 

/* Delete Auxiliary Slot objects. */
typedef void (__cdecl *LPALDELETEAUXILIARYEFFECTSLOTS)( ALsizei n, ALuint* slots );

/* Verify a handle is a valid Auxiliary Slot. */ 
typedef ALboolean (__cdecl *LPALISAUXILIARYEFFECTSLOT)( ALuint slot ); 

/* Set an integer parameter for a Auxiliary Slot object. */
typedef void (__cdecl *LPALAUXILIARYEFFECTSLOTI)( ALuint asid, ALenum param, ALint value ); 
typedef void (__cdecl *LPALAUXILIARYEFFECTSLOTIV)( ALuint asid, ALenum param, ALint* values ); 

/* Set a floating point parameter for an Auxiliary Slot object. */
typedef void (__cdecl *LPALAUXILIARYEFFECTSLOTF)( ALuint asid, ALenum param, ALfloat value ); 
typedef void (__cdecl *LPALAUXILIARYEFFECTSLOTFV)( ALuint asid, ALenum param, ALfloat* values ); 

/* Get an integer parameter for a Auxiliary Slot object. */
typedef void (__cdecl *LPALGETAUXILIARYEFFECTSLOTI)( ALuint asid, ALenum pname, ALint* value );
typedef void (__cdecl *LPALGETAUXILIARYEFFECTSLOTIV)( ALuint asid, ALenum pname, ALint* values );

/* Get a floating point parameter for a Auxiliary Slot object. */
typedef void (__cdecl *LPALGETAUXILIARYEFFECTSLOTF)( ALuint asid, ALenum pname, ALfloat* value );
typedef void (__cdecl *LPALGETAUXILIARYEFFECTSLOTFV)( ALuint asid, ALenum pname, ALfloat* values );




/**********************************************************
 * Filter ranges and defaults.
 */

/**
 * Lowpass filter
 */

#define LOWPASS_MIN_GAIN                                   0.0f
#define LOWPASS_MAX_GAIN                                   1.0f
#define LOWPASS_DEFAULT_GAIN                               1.0f

#define LOWPASS_MIN_GAINHF                                 0.0f
#define LOWPASS_MAX_GAINHF                                 1.0f
#define LOWPASS_DEFAULT_GAINHF                             1.0f

/**
 * Highpass filter
 */

#define HIGHPASS_MIN_GAIN                                  0.0f
#define HIGHPASS_MAX_GAIN                                  1.0f
#define HIGHPASS_DEFAULT_GAIN                              1.0f

#define HIGHPASS_MIN_GAINLF                                0.0f
#define HIGHPASS_MAX_GAINLF                                1.0f
#define HIGHPASS_DEFAULT_GAINLF                            1.0f

/**
 * Bandpass filter
 */

#define BANDPASS_MIN_GAIN                                  0.0f
#define BANDPASS_MAX_GAIN                                  1.0f
#define BANDPASS_DEFAULT_GAIN                              1.0f

#define BANDPASS_MIN_GAINHF                                0.0f
#define BANDPASS_MAX_GAINHF                                1.0f
#define BANDPASS_DEFAULT_GAINHF                            1.0f

#define BANDPASS_MIN_GAINLF                                0.0f
#define BANDPASS_MAX_GAINLF                                1.0f
#define BANDPASS_DEFAULT_GAINLF                            1.0f




 /**********************************************************
 * Effect parameter structures, value definitions, ranges and defaults.
 */

/**
 * AL reverb effect parameter ranges and defaults
 */
#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

/**
 * AL chorus effect parameter ranges and defaults
 */
#define AL_CHORUS_MIN_WAVEFORM                             0
#define AL_CHORUS_MAX_WAVEFORM                             1
#define AL_CHORUS_DEFAULT_WAVEFORM                         1

#define AL_CHORUS_WAVEFORM_SINUSOID                        0
#define AL_CHORUS_WAVEFORM_TRIANGLE                        1

#define AL_CHORUS_MIN_PHASE                                (-180)
#define AL_CHORUS_MAX_PHASE                                180
#define AL_CHORUS_DEFAULT_PHASE                            90

#define AL_CHORUS_MIN_RATE                                 0.0f
#define AL_CHORUS_MAX_RATE                                 10.0f
#define AL_CHORUS_DEFAULT_RATE                             1.1f

#define AL_CHORUS_MIN_DEPTH                                0.0f
#define AL_CHORUS_MAX_DEPTH                                1.0f
#define AL_CHORUS_DEFAULT_DEPTH                            0.1f

#define AL_CHORUS_MIN_FEEDBACK                             (-1.0f)
#define AL_CHORUS_MAX_FEEDBACK                             1.0f
#define AL_CHORUS_DEFAULT_FEEDBACK                         0.25f

#define AL_CHORUS_MIN_DELAY                                0.0f
#define AL_CHORUS_MAX_DELAY                                0.016f
#define AL_CHORUS_DEFAULT_DELAY                            0.016f

/**
 * AL distortion effect parameter ranges and defaults
 */
#define AL_DISTORTION_MIN_EDGE                             0.0f
#define AL_DISTORTION_MAX_EDGE                             1.0f
#define AL_DISTORTION_DEFAULT_EDGE                         0.2f

#define AL_DISTORTION_MIN_GAIN                             0.01f
#define AL_DISTORTION_MAX_GAIN                             1.0f
#define AL_DISTORTION_DEFAULT_GAIN                         0.05f

#define AL_DISTORTION_MIN_LOWPASS_CUTOFF                   80.0f
#define AL_DISTORTION_MAX_LOWPASS_CUTOFF                   24000.0f
#define AL_DISTORTION_DEFAULT_LOWPASS_CUTOFF               8000.0f

#define AL_DISTORTION_MIN_EQCENTER                         80.0f
#define AL_DISTORTION_MAX_EQCENTER                         24000.0f
#define AL_DISTORTION_DEFAULT_EQCENTER                     3600.0f

#define AL_DISTORTION_MIN_EQBANDWIDTH                      80.0f
#define AL_DISTORTION_MAX_EQBANDWIDTH                      24000.0f
#define AL_DISTORTION_DEFAULT_EQBANDWIDTH                  3600.0f

/**
 * AL echo effect parameter ranges and defaults
 */
#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)

/**
 * AL flanger effect parameter ranges and defaults
 */
#define AL_FLANGER_MIN_WAVEFORM                            0
#define AL_FLANGER_MAX_WAVEFORM                            1
#define AL_FLANGER_DEFAULT_WAVEFORM                        1

#define AL_FLANGER_WAVEFORM_SINUSOID                       0
#define AL_FLANGER_WAVEFORM_TRIANGLE                       1

#define AL_FLANGER_MIN_PHASE                               (-180)
#define AL_FLANGER_MAX_PHASE                               180
#define AL_FLANGER_DEFAULT_PHASE                           0

#define AL_FLANGER_MIN_RATE                                0.0f
#define AL_FLANGER_MAX_RATE                                10.0f
#define AL_FLANGER_DEFAULT_RATE                            0.27f

#define AL_FLANGER_MIN_DEPTH                               0.0f
#define AL_FLANGER_MAX_DEPTH                               1.0f
#define AL_FLANGER_DEFAULT_DEPTH                           1.0f

#define AL_FLANGER_MIN_FEEDBACK                            (-1.0f)
#define AL_FLANGER_MAX_FEEDBACK                            1.0f
#define AL_FLANGER_DEFAULT_FEEDBACK                        (-0.5f)

#define AL_FLANGER_MIN_DELAY                               0.0f
#define AL_FLANGER_MAX_DELAY                               0.004f
#define AL_FLANGER_DEFAULT_DELAY                           0.002f

/**
 * AL frequency shifter effect parameter ranges and defaults
 */
#define AL_FREQUENCY_SHIFTER_MIN_FREQUENCY                 0.0f
#define AL_FREQUENCY_SHIFTER_MAX_FREQUENCY                 24000.0f
#define AL_FREQUENCY_SHIFTER_DEFAULT_FREQUENCY             0.0f

#define AL_FREQUENCY_SHIFTER_MIN_LEFT_DIRECTION            0
#define AL_FREQUENCY_SHIFTER_MAX_LEFT_DIRECTION            2
#define AL_FREQUENCY_SHIFTER_DEFAULT_LEFT_DIRECTION        0

#define AL_FREQUENCY_SHIFTER_MIN_RIGHT_DIRECTION           0
#define AL_FREQUENCY_SHIFTER_MAX_RIGHT_DIRECTION           2
#define AL_FREQUENCY_SHIFTER_DEFAULT_RIGHT_DIRECTION       0

#define AL_FREQUENCY_SHIFTER_DIRECTION_DOWN                0
#define AL_FREQUENCY_SHIFTER_DIRECTION_UP                  1
#define AL_FREQUENCY_SHIFTER_DIRECTION_OFF                 2

/**
 * AL vocal morpher effect parameter ranges and defaults
 */
#define AL_VOCAL_MORPHER_MIN_PHONEMEA                      0
#define AL_VOCAL_MORPHER_MAX_PHONEMEA                      29
#define AL_VOCAL_MORPHER_DEFAULT_PHONEMEA                  0

#define AL_VOCAL_MORPHER_MIN_PHONEMEA_COARSE_TUNING	       (-24)
#define AL_VOCAL_MORPHER_MAX_PHONEMEA_COARSE_TUNING	       24
#define AL_VOCAL_MORPHER_DEFAULT_PHONEMEA_COARSE_TUNING    0

#define AL_VOCAL_MORPHER_MIN_PHONEMEB                      0
#define AL_VOCAL_MORPHER_MAX_PHONEMEB                      29
#define AL_VOCAL_MORPHER_DEFAULT_PHONEMEB                  10

#define AL_VOCAL_MORPHER_PHONEME_A                         0
#define AL_VOCAL_MORPHER_PHONEME_E                         1
#define AL_VOCAL_MORPHER_PHONEME_I                         2
#define AL_VOCAL_MORPHER_PHONEME_O                         3
#define AL_VOCAL_MORPHER_PHONEME_U                         4
#define AL_VOCAL_MORPHER_PHONEME_AA                        5
#define AL_VOCAL_MORPHER_PHONEME_AE                        6
#define AL_VOCAL_MORPHER_PHONEME_AH                        7
#define AL_VOCAL_MORPHER_PHONEME_AO                        8
#define AL_VOCAL_MORPHER_PHONEME_EH                        9
#define AL_VOCAL_MORPHER_PHONEME_ER                        10
#define AL_VOCAL_MORPHER_PHONEME_IH                        11
#define AL_VOCAL_MORPHER_PHONEME_IY                        12
#define AL_VOCAL_MORPHER_PHONEME_UH                        13
#define AL_VOCAL_MORPHER_PHONEME_UW                        14
#define AL_VOCAL_MORPHER_PHONEME_B                         15
#define AL_VOCAL_MORPHER_PHONEME_D                         16
#define AL_VOCAL_MORPHER_PHONEME_F                         17
#define AL_VOCAL_MORPHER_PHONEME_G                         18
#define AL_VOCAL_MORPHER_PHONEME_J                         19
#define AL_VOCAL_MORPHER_PHONEME_K                         20
#define AL_VOCAL_MORPHER_PHONEME_L                         21
#define AL_VOCAL_MORPHER_PHONEME_M                         22
#define AL_VOCAL_MORPHER_PHONEME_N                         23
#define AL_VOCAL_MORPHER_PHONEME_P                         24
#define AL_VOCAL_MORPHER_PHONEME_R                         25
#define AL_VOCAL_MORPHER_PHONEME_S                         26
#define AL_VOCAL_MORPHER_PHONEME_T                         27
#define AL_VOCAL_MORPHER_PHONEME_V                         28
#define AL_VOCAL_MORPHER_PHONEME_Z                         29

#define AL_VOCAL_MORPHER_MIN_PHONEMEB_COARSE_TUNING        (-24)
#define AL_VOCAL_MORPHER_MAX_PHONEMEB_COARSE_TUNING        24
#define AL_VOCAL_MORPHER_DEFAULT_PHONEMEB_COARSE_TUNING    0

#define AL_VOCAL_MORPHER_MIN_WAVEFORM                      0
#define AL_VOCAL_MORPHER_MAX_WAVEFORM                      2
#define AL_VOCAL_MORPHER_DEFAULT_WAVEFORM                  0

#define AL_VOCAL_MORPHER_WAVEFORM_SINUSOID                 0
#define AL_VOCAL_MORPHER_WAVEFORM_TRIANGLE                 1
#define AL_VOCAL_MORPHER_WAVEFORM_SAWTOOTH                 2

#define AL_VOCAL_MORPHER_MIN_RATE                          0.0f
#define AL_VOCAL_MORPHER_MAX_RATE                          10.0f
#define AL_VOCAL_MORPHER_DEFAULT_RATE                      1.41f

/**
 * AL pitch shifter effect parameter ranges and defaults
 */
#define AL_PITCH_SHIFTER_MIN_COARSE_TUNE                   (-12)
#define AL_PITCH_SHIFTER_MAX_COARSE_TUNE                   12
#define AL_PITCH_SHIFTER_DEFAULT_COARSE_TUNE               12

#define AL_PITCH_SHIFTER_MIN_FINE_TUNE                     (-50)
#define AL_PITCH_SHIFTER_MAX_FINE_TUNE                     50
#define AL_PITCH_SHIFTER_DEFAULT_FINE_TUNE                 0

/**
 * AL ring modulator effect parameter ranges and defaults
 */
#define AL_RING_MODULATOR_MIN_FREQUENCY                    0.0f
#define AL_RING_MODULATOR_MAX_FREQUENCY                    8000.0f
#define AL_RING_MODULATOR_DEFAULT_FREQUENCY                440.0f

#define AL_RING_MODULATOR_MIN_HIGHPASS_CUTOFF              0.0f
#define AL_RING_MODULATOR_MAX_HIGHPASS_CUTOFF              24000.0f
#define AL_RING_MODULATOR_DEFAULT_HIGHPASS_CUTOFF          800.0f

#define AL_RING_MODULATOR_MIN_WAVEFORM                     0
#define AL_RING_MODULATOR_MAX_WAVEFORM                     2
#define AL_RING_MODULATOR_DEFAULT_WAVEFORM                 0

#define AL_RING_MODULATOR_SINUSOID                         0
#define AL_RING_MODULATOR_SAWTOOTH                         1
#define AL_RING_MODULATOR_SQUARE                           2

/**
 * AL autowah effect parameter ranges and defaults
 */
#define AL_AUTOWAH_MIN_ATTACK_TIME                         0.0001f
#define AL_AUTOWAH_MAX_ATTACK_TIME                         1.0f
#define AL_AUTOWAH_DEFAULT_ATTACK_TIME                     0.06f

#define AL_AUTOWAH_MIN_RELEASE_TIME                        0.0001f
#define AL_AUTOWAH_MAX_RELEASE_TIME                        1.0f
#define AL_AUTOWAH_DEFAULT_RELEASE_TIME                    0.06f

#define AL_AUTOWAH_MIN_RESONANCE                           2.0f
#define AL_AUTOWAH_MAX_RESONANCE                           1000.0f
#define AL_AUTOWAH_DEFAULT_RESONANCE                       1000.0f
	
#define AL_AUTOWAH_MIN_PEAK_GAIN                           0.00003f
#define AL_AUTOWAH_MAX_PEAK_GAIN                           31621.0f
#define AL_AUTOWAH_DEFAULT_PEAK_GAIN                       11.22f

/**
 * AL compressor effect parameter ranges and defaults
 */
#define AL_COMPRESSOR_MIN_ONOFF                            0
#define AL_COMPRESSOR_MAX_ONOFF                            1
#define AL_COMPRESSOR_DEFAULT_ONOFF                        1

/**
 * AL equalizer effect parameter ranges and defaults
 */
#define AL_EQUALIZER_MIN_LOW_GAIN                          0.126f
#define AL_EQUALIZER_MAX_LOW_GAIN                          7.943f
#define AL_EQUALIZER_DEFAULT_LOW_GAIN                      1.0f

#define AL_EQUALIZER_MIN_LOW_CUTOFF                        50.0f
#define AL_EQUALIZER_MAX_LOW_CUTOFF                        800.0f
#define AL_EQUALIZER_DEFAULT_LOW_CUTOFF                    200.0f

#define AL_EQUALIZER_MIN_MID1_GAIN                         0.126f
#define AL_EQUALIZER_MAX_MID1_GAIN                         7.943f
#define AL_EQUALIZER_DEFAULT_MID1_GAIN                     1.0f

#define AL_EQUALIZER_MIN_MID1_CENTER                       200.0f
#define AL_EQUALIZER_MAX_MID1_CENTER                       3000.0f
#define AL_EQUALIZER_DEFAULT_MID1_CENTER                   500.0f

#define AL_EQUALIZER_MIN_MID1_WIDTH                        0.01f
#define AL_EQUALIZER_MAX_MID1_WIDTH                        1.0f
#define AL_EQUALIZER_DEFAULT_MID1_WIDTH                    1.0f

#define AL_EQUALIZER_MIN_MID2_GAIN                         0.126f
#define AL_EQUALIZER_MAX_MID2_GAIN                         7.943f
#define AL_EQUALIZER_DEFAULT_MID2_GAIN                     1.0f

#define AL_EQUALIZER_MIN_MID2_CENTER                       1000.0f
#define AL_EQUALIZER_MAX_MID2_CENTER                       8000.0f
#define AL_EQUALIZER_DEFAULT_MID2_CENTER                   3000.0f

#define AL_EQUALIZER_MIN_MID2_WIDTH                        0.01f
#define AL_EQUALIZER_MAX_MID2_WIDTH                        1.0f
#define AL_EQUALIZER_DEFAULT_MID2_WIDTH                    1.0f

#define AL_EQUALIZER_MIN_HIGH_GAIN                         0.126f
#define AL_EQUALIZER_MAX_HIGH_GAIN                         7.943f
#define AL_EQUALIZER_DEFAULT_HIGH_GAIN                     1.0f

#define AL_EQUALIZER_MIN_HIGH_CUTOFF                       4000.0f
#define AL_EQUALIZER_MAX_HIGH_CUTOFF                       16000.0f
#define AL_EQUALIZER_DEFAULT_HIGH_CUTOFF                   6000.0f




/**********************************************************
 * Source parameter value definitions, ranges and defaults.
 */
#define AL_MIN_AIR_ABSORPTION_FACTOR                       0.0f
#define AL_MAX_AIR_ABSORPTION_FACTOR                       10.0f
#define AL_DEFAULT_AIR_ABSORPTION_FACTOR                   0.0f

#define AL_MIN_ROOM_ROLLOFF_FACTOR                         0.0f
#define AL_MAX_ROOM_ROLLOFF_FACTOR                         10.0f
#define AL_DEFAULT_ROOM_ROLLOFF_FACTOR                     0.0f

#define AL_MIN_CONE_OUTER_GAINHF                           0.0f
#define AL_MAX_CONE_OUTER_GAINHF                           1.0f
#define AL_DEFAULT_CONE_OUTER_GAINHF                       1.0f

#define AL_MIN_DIRECT_FILTER_GAINHF_AUTO                   AL_FALSE
#define AL_MAX_DIRECT_FILTER_GAINHF_AUTO                   AL_TRUE
#define AL_DEFAULT_DIRECT_FILTER_GAINHF_AUTO               AL_TRUE

#define AL_MIN_AUXILIARY_SEND_FILTER_GAIN_AUTO             AL_FALSE
#define AL_MAX_AUXILIARY_SEND_FILTER_GAIN_AUTO             AL_TRUE
#define AL_DEFAULT_AUXILIARY_SEND_FILTER_GAIN_AUTO         AL_TRUE

#define AL_MIN_AUXILIARY_SEND_FILTER_GAINHF_AUTO           AL_FALSE
#define AL_MAX_AUXILIARY_SEND_FILTER_GAINHF_AUTO           AL_TRUE
#define AL_DEFAULT_AUXILIARY_SEND_FILTER_GAINHF_AUTO       AL_TRUE




/**********************************************************
 * Listener parameter value definitions, ranges and defaults.
 */
#define AL_MIN_METERS_PER_UNIT                             FLT_MIN
#define AL_MAX_METERS_PER_UNIT                             FLT_MAX
#define AL_DEFAULT_METERS_PER_UNIT                         1.0f


#ifdef __cplusplus
}  /* extern "C" */
#endif

#endif /* __efx_h_ */