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122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
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/*
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* libADLMIDI is a free Software MIDI synthesizer library with OPL3 emulation
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*
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* Original ADLMIDI code: Copyright (c) 2010-2014 Joel Yliluoma <bisqwit@iki.fi>
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* ADLMIDI Library API: Copyright (c) 2015-2020 Vitaly Novichkov <admin@wohlnet.ru>
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*
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* Library is based on the ADLMIDI, a MIDI player for Linux and Windows with OPL3 emulation:
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* http://iki.fi/bisqwit/source/adlmidi.html
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPLINST_H
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#define OPLINST_H
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#include <string.h>
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#include <stdint.h>
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#include <cstring>
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#pragma pack(push, 1)
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#define OPLINST_BYTE_COMPARABLE(T) \
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inline bool operator==(const T &a, const T &b) \
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{ return !memcmp(&a, &b, sizeof(T)); } \
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inline bool operator!=(const T &a, const T &b) \
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{ return !operator==(a, b); }
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/**
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* @brief OPL3 Operator data for single tumbre
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*/
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struct OplTimbre
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{
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//! WaveForm, Sustain/Release, AttackDecay, and AM/VIB/EG/KSR/F-Mult settings
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uint32_t modulator_E862, carrier_E862;
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//! KSL/attenuation settings
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uint8_t modulator_40, carrier_40;
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//! Feedback/connection bits for the channel
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uint8_t feedconn;
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//! Semi-tone offset
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int8_t noteOffset;
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};
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OPLINST_BYTE_COMPARABLE(struct OplTimbre)
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enum { OPLNoteOnMaxTime = 40000 };
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/**
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* @brief Instrument data with operators included
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*/
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struct OplInstMeta
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{
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enum
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{
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Flag_Pseudo4op = 0x01,
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Flag_NoSound = 0x02,
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Flag_Real4op = 0x04
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};
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enum
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{
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Flag_RM_BassDrum = 0x08,
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Flag_RM_Snare = 0x10,
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Flag_RM_TomTom = 0x18,
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Flag_RM_Cymbal = 0x20,
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Flag_RM_HiHat = 0x28,
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Mask_RhythmMode = 0x38
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};
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//! Operator data
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OplTimbre op[2];
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//! Fixed note for drum instruments
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uint8_t drumTone;
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//! Instrument flags
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uint8_t flags;
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//! Number of milliseconds it produces sound while key on
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uint16_t soundKeyOnMs;
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//! Number of milliseconds it produces sound while releasing after key off
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uint16_t soundKeyOffMs;
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//! MIDI velocity offset
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int8_t midiVelocityOffset;
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//! Second voice detune
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double voice2_fine_tune;
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};
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OPLINST_BYTE_COMPARABLE(struct OplInstMeta)
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#undef OPLINST_BYTE_COMPARABLE
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#pragma pack(pop)
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/**
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* @brief Bank global setup
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*/
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struct OplBankSetup
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{
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int volumeModel;
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bool deepTremolo;
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bool deepVibrato;
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bool scaleModulators;
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};
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/**
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* @brief Convert external instrument to internal instrument
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*/
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void cvt_ADLI_to_FMIns(OplInstMeta &dst, const struct ADL_Instrument &src);
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/**
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* @brief Convert internal instrument to external instrument
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*/
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void cvt_FMIns_to_ADLI(struct ADL_Instrument &dst, const OplInstMeta &src);
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#endif // OPLINST_H
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