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/*************************************************************************/
/* cp_tables.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef CPTABLES_H
#define CPTABLES_H
#include "cp_config.h"
/**conversion CPTables/functions
*@author Juan Linietsky
*/
/******************************
CPTables.h
--------
CPTables methods for miscelaneous
conversion utilities
********************************/
class CPTables {
public:
enum { OCTAVE=12 };
static uint16_t old_period_table[OCTAVE*2];
static uint16_t log_table[104];
static int32_t linear_period_to_freq_tab[768];
static int32_t get_old_period(uint16_t note,int32_t speed);
static int32_t get_amiga_period(uint16_t note,int32_t fine);
static int32_t get_linear_period(uint16_t note,int32_t fine);
static int32_t get_linear_frequency(int32_t period);
static int32_t get_old_frequency(int32_t period);
static int32_t get_log_period(uint16_t note,int32_t p_c5freq);
CPTables();
~CPTables();
};
#endif
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