mirror of https://github.com/ZDoom/qzdoom.git
159 lines
4.1 KiB
C++
159 lines
4.1 KiB
C++
/*
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* libOPNMIDI is a free MIDI to WAV conversion library with OPN2 (YM2612) emulation
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*
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* MIDI parser and player (Original code from ADLMIDI): Copyright (c) 2010-2014 Joel Yliluoma <bisqwit@iki.fi>
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* ADLMIDI Library API: Copyright (c) 2016 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 OPNMIDI_OPNBANK_H
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#define OPNMIDI_OPNBANK_H
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#include <string.h>
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#include <stdint.h>
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#ifdef ADLMIDI_buildAsApp
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#include <SDL2/SDL.h>
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class MutexType
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{
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SDL_mutex* mut;
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public:
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MutexType() : mut(SDL_CreateMutex()) { }
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~MutexType() { SDL_DestroyMutex(mut); }
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void Lock() { SDL_mutexP(mut); }
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void Unlock() { SDL_mutexV(mut); }
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};
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#endif
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enum { opnNoteOnMaxTime = 40000 };
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/* *********** FM Operator indexes *********** */
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enum
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{
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OPERATOR1 = 0,
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OPERATOR2 = 1,
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OPERATOR3 = 2,
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OPERATOR4 = 3,
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};
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/* *********** FM Operator indexes *end******* */
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#pragma pack(push, 1)
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#define OPNDATA_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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struct OPN_Operator
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{
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//! Raw register data
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uint8_t data[7];
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/*
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Bytes:
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0 - Deture/Multiple
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1 - Total Level
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2 - Rate Scale / Attack
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3 - Amplitude modulation / Decay-1
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4 - Decay-2
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5 - Systain / Release
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6 - SSG-EG byte
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*/
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};
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OPNDATA_BYTE_COMPARABLE(struct OPN_Operator)
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struct opnInstData
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{
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//! Operators prepared for sending to OPL chip emulator
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OPN_Operator OPS[4];
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uint8_t fbalg;
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uint8_t lfosens;
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//! Note offset
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int16_t finetune;
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};
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OPNDATA_BYTE_COMPARABLE(struct opnInstData)
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struct opnInstMeta
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{
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enum { Flag_Pseudo8op = 0x01, Flag_NoSound = 0x02 };
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uint16_t opnno1, opnno2;
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uint8_t tone;
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uint8_t flags;
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uint16_t ms_sound_kon; // Number of milliseconds it produces sound;
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uint16_t ms_sound_koff;
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double fine_tune;
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};
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OPNDATA_BYTE_COMPARABLE(struct opnInstMeta)
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/**
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* @brief Instrument data with operators included
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*/
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struct opnInstMeta2
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{
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opnInstData opn[2];
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uint8_t tone;
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uint8_t flags;
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uint16_t ms_sound_kon; // Number of milliseconds it produces sound;
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uint16_t ms_sound_koff;
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double fine_tune;
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int8_t midi_velocity_offset;
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#if 0
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opnInstMeta2() {}
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explicit opnInstMeta2(const opnInstMeta &d);
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#endif
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};
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OPNDATA_BYTE_COMPARABLE(struct opnInstMeta2)
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#undef OPNDATA_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 OpnBankSetup
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{
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int volumeModel;
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int lfoEnable;
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int lfoFrequency;
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};
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#if 0
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/**
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* @brief Conversion of storage formats
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*/
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inline opnInstMeta2::opnInstMeta2(const opnInstMeta &d)
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: tone(d.tone), flags(d.flags),
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ms_sound_kon(d.ms_sound_kon), ms_sound_koff(d.ms_sound_koff),
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fine_tune(d.fine_tune), midi_velocity_offset(d.midi_velocity_offset)
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{
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opn[0] = ::opn[d.opnno1];
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opn[1] = ::opn[d.opnno2];
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}
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#endif
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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_OPNI_to_FMIns(opnInstMeta2 &dst, const struct OPN2_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_OPNI(struct OPN2_Instrument &dst, const opnInstMeta2 &src);
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#endif // OPNMIDI_OPNBANK_H
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