godot/modules/chibi/cp_sample_defs.h

/*************************************************************************/
/*  cp_sample_defs.h                                                     */
/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#ifndef CP_SAMPLE_DEFS_H
#define CP_SAMPLE_DEFS_H

#include "cp_config.h"

enum CPSample_Loop_Type {

	CP_LOOP_NONE,
	CP_LOOP_FORWARD,
	CP_LOOP_BIDI
};

//#define INVALID_SAMPLE_ID -1

#define CP_MIXING_FRAC_BITS_MACRO 13
#define CP_MIXING_FRAC_BITS_TEXT "13"
// 1<<9 - 1
#define CP_MIXING_FRAC_BITS_MASK_TEXT "8191"

enum CPMixConstants {
	CP_MIXING_FRAC_BITS = CP_MIXING_FRAC_BITS_MACRO,
	CP_MIXING_FRAC_LENGTH = (1 << CP_MIXING_FRAC_BITS),
	CP_MIXING_FRAC_MASK = CP_MIXING_FRAC_LENGTH - 1,
	CP_MIXING_VOL_FRAC_BITS = 8,
	CP_MIXING_FREQ_FRAC_BITS = 8
};

enum CPFilterConstants {
	CP_FILTER_SHIFT = 16,
	CP_FILTER_LENGTH = (1 << CP_FILTER_SHIFT)
};

enum CPInterpolationType {
	CP_INTERPOLATION_RAW,
	CP_INTERPOLATION_LINEAR,
	CP_INTERPOLATION_CUBIC
};

enum CPPanConstants {

	CP_PAN_BITS = 8, // 0 .. 256
	CP_PAN_LEFT = 0,
	CP_PAN_RIGHT = ((1 << CP_PAN_BITS) - 1), // 255
	CP_PAN_CENTER = CP_PAN_RIGHT / 2, // 128
	CP_PAN_SURROUND = 512
};

enum CPMixerVolConstants {
	CP_VOL_MAX = 512,
	CP_VOL_RAMP_BITS = 9,
	CP_VOL_SHIFT = 2

};

enum CPStereoCannels {
	CP_CHAN_LEFT,
	CP_CHAN_RIGHT
};

#define CP_FIRST_SAMPLE_DECLICK_THRESHOLD 1000
#define CP_FIRST_SAMPLE_RAMP_LEN 32

typedef signed char CPFrame8;
typedef signed short CPFrame16;

#endif