effects.h File Reference

#include "audio/internal.h"

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Macros
#define	ADSR_STATE_DISABLED   0
#define	ADSR_STATE_INITIAL   1
#define	ADSR_STATE_START_LOOP   2
#define	ADSR_STATE_LOOP   3
#define	ADSR_STATE_FADE   4
#define	ADSR_STATE_HANG   5
#define	ADSR_STATE_DECAY   6
#define	ADSR_STATE_RELEASE   7
#define	ADSR_STATE_SUSTAIN   8
#define	ADSR_ACTION_RELEASE   0x10
#define	ADSR_ACTION_DECAY   0x20
#define	ADSR_ACTION_HANG   0x40
#define	ADSR_DISABLE   0
#define	ADSR_HANG   -1
#define	ADSR_GOTO   -2
#define	ADSR_RESTART   -3
#define	BSWAP16(x)   (((x) & 0xff) << 8 | (((x) >> 8) & 0xff))

Functions
void	sequence_channel_process_sound (struct SequenceChannel *seqChannel, s32 recalculateVolume)
void	sequence_player_process_sound (struct SequencePlayer *seqPlayer)
f32	get_portamento_freq_scale (struct Portamento *p)
s16	get_vibrato_pitch_change (struct VibratoState *vib)
f32	get_vibrato_freq_scale (struct VibratoState *vib)
void	note_vibrato_update (struct Note *note)
void	note_vibrato_init (struct Note *note)
void	adsr_init (struct AdsrState *adsr, struct AdsrEnvelope *envelope, s16 *volOut)
f32	adsr_update (struct AdsrState *adsr)

Macro Definition Documentation

ADSR_ACTION_DECAY

#define ADSR_ACTION_DECAY   0x20

ADSR_ACTION_HANG

#define ADSR_ACTION_HANG   0x40

ADSR_ACTION_RELEASE

#define ADSR_ACTION_RELEASE   0x10

ADSR_DISABLE

#define ADSR_DISABLE   0

ADSR_GOTO

#define ADSR_GOTO   -2

ADSR_HANG

#define ADSR_HANG   -1

ADSR_RESTART

#define ADSR_RESTART   -3

ADSR_STATE_DECAY

#define ADSR_STATE_DECAY   6

ADSR_STATE_DISABLED

#define ADSR_STATE_DISABLED   0

ADSR_STATE_FADE

#define ADSR_STATE_FADE   4

ADSR_STATE_HANG

#define ADSR_STATE_HANG   5

ADSR_STATE_INITIAL

#define ADSR_STATE_INITIAL   1

ADSR_STATE_LOOP

#define ADSR_STATE_LOOP   3

ADSR_STATE_RELEASE

#define ADSR_STATE_RELEASE   7

ADSR_STATE_START_LOOP

#define ADSR_STATE_START_LOOP   2

ADSR_STATE_SUSTAIN

#define ADSR_STATE_SUSTAIN   8

BSWAP16

#define BSWAP16

(

x

)

(((x) & 0xff) << 8 | (((x) >> 8) & 0xff))

Function Documentation

adsr_init()

void adsr_init	(	struct AdsrState *	adsr,
		struct AdsrEnvelope *	envelope,
		s16 *	volOut )

adsr_update()

f32 adsr_update

(

struct AdsrState *

adsr

)

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get_portamento_freq_scale()

f32 get_portamento_freq_scale

(

struct Portamento *

p

)

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get_vibrato_freq_scale()

f32 get_vibrato_freq_scale

(

struct VibratoState *

vib

)

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get_vibrato_pitch_change()

s16 get_vibrato_pitch_change

(

struct VibratoState *

vib

)

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note_vibrato_init()

void note_vibrato_init

(

struct Note *

note

)

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note_vibrato_update()

void note_vibrato_update

(

struct Note *

note

)

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sequence_channel_process_sound()

void sequence_channel_process_sound	(	struct SequenceChannel *	seqChannel,
		s32	recalculateVolume )

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sequence_player_process_sound()

void sequence_player_process_sound

(

struct SequencePlayer *

seqPlayer

)

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