/*
 * 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 */