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