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/*
* sample.h -- Midi Wavetable Processing library
*
* Copyright (C) WildMIDI Developers 2001-2016
*
* This file is part of WildMIDI.
*
* WildMIDI is free software: you can redistribute and/or modify the player
* under the terms of the GNU General Public License and you can redistribute
* and/or modify the library under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version 3 of
* the licenses, or(at your option) any later version.
*
* WildMIDI is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License and
* the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License and the
* GNU Lesser General Public License along with WildMIDI. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef __SAMPLE_H
#define __SAMPLE_H
#define SAMPLE_16BIT 0x01
#define SAMPLE_UNSIGNED 0x02
#define SAMPLE_LOOP 0x04
#define SAMPLE_PINGPONG 0x08
#define SAMPLE_REVERSE 0x10
#define SAMPLE_SUSTAIN 0x20
#define SAMPLE_ENVELOPE 0x40
#define SAMPLE_CLAMPED 0x80
#ifdef DEBUG_SAMPLES
#define SAMPLE_CONVERT_DEBUG(dx) printf("\r%s\n",dx)
#else
#define SAMPLE_CONVERT_DEBUG(dx)
#endif
struct _patch;
struct _mdi;
struct _sample {
uint32_t data_length;
uint32_t loop_start;
uint32_t loop_end;
uint32_t loop_size;
uint8_t loop_fraction;
uint16_t rate;
uint32_t freq_low;
uint32_t freq_high;
uint32_t freq_root;
uint8_t modes;
int32_t env_rate[7];
int32_t env_target[7];
uint32_t inc_div;
int16_t *data;
struct _sample *next;
uint32_t note_off_decay;
};
extern int _WM_fix_release;
extern int _WM_auto_amp;
extern int _WM_auto_amp_with_amp;
extern struct _sample *_WM_get_sample_data(struct _patch *sample_patch, uint32_t freq);
extern int _WM_load_sample(struct _patch *sample_patch);
extern uint32_t _WM_get_decay_samples(struct _mdi * mdi, uint8_t channel, uint8_t note);
#endif /* __SAMPLE_H */
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