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84cc7cbdd2
This is to improve compile times because the MSVC compiler tends to become slow with large lists of source files in a single project. This new project is still our stripped down copy of libadl, not the original, because that project contains a large amount of baggage we do not need.
287 lines
9.8 KiB
C++
287 lines
9.8 KiB
C++
/*
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* libADLMIDI is a free MIDI to WAV conversion 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) 2015-2018 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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#include "adlmidi_private.hpp"
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#include "adlmidi_cvt.hpp"
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#include "wopl/wopl_file.h"
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bool MIDIplay::LoadBank(const std::string &filename)
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{
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FileAndMemReader file;
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file.openFile(filename.c_str());
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return LoadBank(file);
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}
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bool MIDIplay::LoadBank(const void *data, size_t size)
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{
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FileAndMemReader file;
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file.openData(data, size);
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return LoadBank(file);
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}
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void cvt_ADLI_to_FMIns(adlinsdata2 &ins, const ADL_Instrument &in)
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{
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return cvt_generic_to_FMIns(ins, in);
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}
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void cvt_FMIns_to_ADLI(ADL_Instrument &ins, const adlinsdata2 &in)
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{
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cvt_FMIns_to_generic(ins, in);
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}
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bool MIDIplay::LoadBank(FileAndMemReader &fr)
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{
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int err = 0;
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WOPLFile *wopl = NULL;
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char *raw_file_data = NULL;
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size_t fsize;
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if(!fr.isValid())
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{
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errorStringOut = "Custom bank: Invalid data stream!";
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return false;
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}
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// Read complete bank file into the memory
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fsize = fr.fileSize();
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fr.seek(0, FileAndMemReader::SET);
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// Allocate necessary memory block
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raw_file_data = (char*)malloc(fsize);
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if(!raw_file_data)
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{
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errorStringOut = "Custom bank: Out of memory before of read!";
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return false;
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}
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fr.read(raw_file_data, 1, fsize);
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// Parse bank file from the memory
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wopl = WOPL_LoadBankFromMem((void*)raw_file_data, fsize, &err);
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//Free the buffer no more needed
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free(raw_file_data);
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// Check for any erros
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if(!wopl)
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{
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switch(err)
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{
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case WOPL_ERR_BAD_MAGIC:
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errorStringOut = "Custom bank: Invalid magic!";
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return false;
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case WOPL_ERR_UNEXPECTED_ENDING:
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errorStringOut = "Custom bank: Unexpected ending!";
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return false;
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case WOPL_ERR_INVALID_BANKS_COUNT:
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errorStringOut = "Custom bank: Invalid banks count!";
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return false;
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case WOPL_ERR_NEWER_VERSION:
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errorStringOut = "Custom bank: Version is newer than supported by this library!";
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return false;
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case WOPL_ERR_OUT_OF_MEMORY:
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errorStringOut = "Custom bank: Out of memory!";
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return false;
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default:
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errorStringOut = "Custom bank: Unknown error!";
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return false;
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}
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}
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m_synth.m_insBankSetup.adLibPercussions = false;
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m_synth.m_insBankSetup.scaleModulators = false;
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m_synth.m_insBankSetup.deepTremolo = (wopl->opl_flags & WOPL_FLAG_DEEP_TREMOLO) != 0;
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m_synth.m_insBankSetup.deepVibrato = (wopl->opl_flags & WOPL_FLAG_DEEP_VIBRATO) != 0;
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m_synth.m_insBankSetup.volumeModel = wopl->volume_model;
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m_setup.deepTremoloMode = -1;
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m_setup.deepVibratoMode = -1;
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m_setup.volumeScaleModel = ADLMIDI_VolumeModel_AUTO;
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m_synth.setEmbeddedBank(m_setup.bankId);
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uint16_t slots_counts[2] = {wopl->banks_count_melodic, wopl->banks_count_percussion};
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WOPLBank *slots_src_ins[2] = { wopl->banks_melodic, wopl->banks_percussive };
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for(size_t ss = 0; ss < 2; ss++)
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{
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for(size_t i = 0; i < slots_counts[ss]; i++)
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{
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size_t bankno = (slots_src_ins[ss][i].bank_midi_msb * 256) +
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(slots_src_ins[ss][i].bank_midi_lsb) +
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(ss ? size_t(OPL3::PercussionTag) : 0);
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OPL3::Bank &bank = m_synth.m_insBanks[bankno];
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for(int j = 0; j < 128; j++)
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{
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adlinsdata2 &ins = bank.ins[j];
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std::memset(&ins, 0, sizeof(adlinsdata2));
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WOPLInstrument &inIns = slots_src_ins[ss][i].ins[j];
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cvt_generic_to_FMIns(ins, inIns);
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}
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}
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}
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m_synth.m_embeddedBank = OPL3::CustomBankTag; // Use dynamic banks!
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//Percussion offset is count of instruments multipled to count of melodic banks
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applySetup();
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WOPL_Free(wopl);
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return true;
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}
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#ifndef ADLMIDI_DISABLE_MIDI_SEQUENCER
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bool MIDIplay::LoadMIDI_pre()
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{
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#ifdef DISABLE_EMBEDDED_BANKS
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if((m_synth.m_embeddedBank != OPL3::CustomBankTag) || m_synth.m_insBanks.empty())
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{
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errorStringOut = "Bank is not set! Please load any instruments bank by using of adl_openBankFile() or adl_openBankData() functions!";
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return false;
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}
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#endif
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/**** Set all properties BEFORE starting of actial file reading! ****/
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resetMIDI();
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applySetup();
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return true;
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}
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bool MIDIplay::LoadMIDI_post()
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{
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MidiSequencer::FileFormat format = m_sequencer.getFormat();
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if(format == MidiSequencer::Format_CMF)
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{
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const std::vector<MidiSequencer::CmfInstrument> &instruments = m_sequencer.getRawCmfInstruments();
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m_synth.m_insBanks.clear();//Clean up old banks
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uint16_t ins_count = static_cast<uint16_t>(instruments.size());
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for(uint16_t i = 0; i < ins_count; ++i)
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{
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const uint8_t *InsData = instruments[i].data;
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size_t bank = i / 256;
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bank = ((bank & 127) + ((bank >> 7) << 8));
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if(bank > 127 + (127 << 8))
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break;
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bank += (i % 256 < 128) ? 0 : size_t(OPL3::PercussionTag);
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/*std::printf("Ins %3u: %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X\n",
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i, InsData[0],InsData[1],InsData[2],InsData[3], InsData[4],InsData[5],InsData[6],InsData[7],
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InsData[8],InsData[9],InsData[10],InsData[11], InsData[12],InsData[13],InsData[14],InsData[15]);*/
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adlinsdata2 &adlins = m_synth.m_insBanks[bank].ins[i % 128];
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adldata adl;
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adl.modulator_E862 =
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((static_cast<uint32_t>(InsData[8] & 0x07) << 24) & 0xFF000000) //WaveForm
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| ((static_cast<uint32_t>(InsData[6]) << 16) & 0x00FF0000) //Sustain/Release
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| ((static_cast<uint32_t>(InsData[4]) << 8) & 0x0000FF00) //Attack/Decay
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| ((static_cast<uint32_t>(InsData[0]) << 0) & 0x000000FF); //MultKEVA
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adl.carrier_E862 =
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((static_cast<uint32_t>(InsData[9] & 0x07) << 24) & 0xFF000000) //WaveForm
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| ((static_cast<uint32_t>(InsData[7]) << 16) & 0x00FF0000) //Sustain/Release
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| ((static_cast<uint32_t>(InsData[5]) << 8) & 0x0000FF00) //Attack/Decay
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| ((static_cast<uint32_t>(InsData[1]) << 0) & 0x000000FF); //MultKEVA
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adl.modulator_40 = InsData[2];
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adl.carrier_40 = InsData[3];
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adl.feedconn = InsData[10] & 0x0F;
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adl.finetune = 0;
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adlins.adl[0] = adl;
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adlins.adl[1] = adl;
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adlins.ms_sound_kon = 1000;
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adlins.ms_sound_koff = 500;
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adlins.tone = 0;
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adlins.flags = 0;
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adlins.voice2_fine_tune = 0.0;
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}
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m_synth.m_embeddedBank = OPL3::CustomBankTag; // Ignore AdlBank number, use dynamic banks instead
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//std::printf("CMF deltas %u ticks %u, basictempo = %u\n", deltas, ticks, basictempo);
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m_synth.m_rhythmMode = true;
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m_synth.m_musicMode = OPL3::MODE_CMF;
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m_synth.m_volumeScale = OPL3::VOLUME_NATIVE;
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m_synth.m_numChips = 1;
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m_synth.m_numFourOps = 0;
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}
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else if(format == MidiSequencer::Format_RSXX)
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{
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//opl.CartoonersVolumes = true;
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m_synth.m_musicMode = OPL3::MODE_RSXX;
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m_synth.m_volumeScale = OPL3::VOLUME_NATIVE;
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m_synth.m_numChips = 1;
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m_synth.m_numFourOps = 0;
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}
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else if(format == MidiSequencer::Format_IMF)
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{
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//std::fprintf(stderr, "Done reading IMF file\n");
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m_synth.m_numFourOps = 0; //Don't use 4-operator channels for IMF playing!
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m_synth.m_musicMode = OPL3::MODE_IMF;
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m_synth.m_numChips = 1;
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m_synth.m_numFourOps = 0;
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}
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else
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{
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m_synth.m_numChips = m_setup.numChips;
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if(m_setup.numFourOps < 0)
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adlCalculateFourOpChannels(this, true);
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}
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m_setup.tick_skip_samples_delay = 0;
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m_synth.reset(m_setup.emulator, m_setup.PCM_RATE, this); // Reset OPL3 chip
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//opl.Reset(); // ...twice (just in case someone misprogrammed OPL3 previously)
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m_chipChannels.clear();
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m_chipChannels.resize(m_synth.m_numChannels);
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return true;
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}
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bool MIDIplay::LoadMIDI(const std::string &filename)
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{
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FileAndMemReader file;
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file.openFile(filename.c_str());
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if(!LoadMIDI_pre())
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return false;
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if(!m_sequencer.loadMIDI(file))
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{
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errorStringOut = m_sequencer.getErrorString();
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return false;
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}
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if(!LoadMIDI_post())
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return false;
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return true;
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}
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bool MIDIplay::LoadMIDI(const void *data, size_t size)
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{
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FileAndMemReader file;
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file.openData(data, size);
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if(!LoadMIDI_pre())
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return false;
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if(!m_sequencer.loadMIDI(file))
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{
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errorStringOut = m_sequencer.getErrorString();
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return false;
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}
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if(!LoadMIDI_post())
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return false;
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return true;
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}
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#endif /* ADLMIDI_DISABLE_MIDI_SEQUENCER */
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