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#ifndef LOAD_WOPL_H
#define LOAD_WOPL_H
#include "../progs_cache.h"
#include "../midi_inst_list.h"
#include "common.h"
static const uint8_t wopl_latest_version = 3;
#define WOPL_INST_SIZE_V2 62
#define WOPL_INST_SIZE_V3 66
enum class WOPL_Flags
{
Mode_2op = 0x00,
Mode_4op = 0x01,
Mode_DoubleVoice = 0x02,
WOPL_RhythmModeMask = 0x38,
};
bool BankFormats::LoadWopl(BanksDump &db, const char *fn, unsigned bank, const std::string bankTitle, const char *prefix)
{
FILE *fp = std::fopen(fn, "rb");
if(!fp)
{
std::fprintf(stderr, "WOPL: CAN'T OPEN FILE %s\n", fn);
std::fflush(stderr);
return false;
}
std::fseek(fp, 0, SEEK_END);
std::vector<unsigned char> data(size_t(std::ftell(fp)));
std::rewind(fp);
if(std::fread(&data[0], 1, data.size(), fp) != data.size())
{
std::fclose(fp);
std::fprintf(stderr, "WOPL: CAN'T READ FILE %s\n", fn);
std::fflush(stderr);
return false;
}
std::fclose(fp);
if(data.size() < 19) // Smaller than header size
{
std::fprintf(stderr, "WOPL: Too small header %s\n", fn);
std::fflush(stderr);
return false;
}
uint16_t version = toUint16LE((const uint8_t *)data.data() + 11);
if(version > wopl_latest_version)
{
std::fprintf(stderr, "WOPL: Version %d is not supported (latest %d) %s\n", version, wopl_latest_version, fn);
std::fflush(stderr);
return false;
}
uint16_t mbanks_count = toUint16BE((const uint8_t *)data.data() + 0x0d);
uint16_t pbanks_count = toUint16BE((const uint8_t *)data.data() + 0x0f);
AdlBankSetup setup;
setup.deepTremolo = (data[0x11] & 0x01) != 0;
setup.deepVibrato = (data[0x11] & 0x02) != 0;
setup.volumeModel = (int)data[0x12];
setup.scaleModulators = false;
size_t bankDb = db.initBank(bank, bankTitle, static_cast<uint_fast16_t>((static_cast<unsigned>(data[0x11]) << 8) | static_cast<unsigned>(data[0x12])));
// Validate file format by size calculation
if(version == 1)
{
//Header size + melodic banks + percussion banks
if(data.size() < size_t(19 + (62 * 128 * mbanks_count) + (62 * 128 * pbanks_count)))
{
std::fprintf(stderr, "WOPL: Version 1 size calculation failed %s\n", fn);
std::fflush(stderr);
return false;
}
}
else if(version >= 2)
{
//Header size + melodic bank meta data + percussion bank meta data + melodic banks + percussion banks
if(data.size() < size_t(19 + (34 * mbanks_count) + (34 * pbanks_count) + (62 * 128 * mbanks_count) + (62 * 128 * pbanks_count)))
{
std::fprintf(stderr, "WOPL: Version %d size calculation failed %s\n", version, fn);
std::fflush(stderr);
return false;
}
}
size_t insSize = WOPL_INST_SIZE_V2;
if(version >= 3)
insSize = WOPL_INST_SIZE_V3;
uint32_t melodic_offset = 0;
uint32_t percussion_offset = 0;
uint32_t melodic_meta_offset = 0;
uint32_t percussion_meta_offset = 0;
if(version < 2)
{
melodic_offset = 0x13;
melodic_meta_offset = 0;
}
else
{
melodic_offset = 0x13 + 34 * mbanks_count + 34 * pbanks_count;
melodic_meta_offset = 0x13;
percussion_meta_offset = 0x13 + 34 * mbanks_count;
}
percussion_offset = melodic_offset + (insSize * 128 * mbanks_count);
uint32_t root_sizes[2] = {mbanks_count, pbanks_count};
uint32_t root_offsets[2] = {melodic_offset, percussion_offset};
uint32_t root_meta_offsets[2] = {melodic_meta_offset, percussion_meta_offset};
for(size_t bset = 0; bset < 2; bset++)
{
bool is_percussion = (bset == 1);
for(uint32_t bankno = 0; bankno < root_sizes[bset]; bankno++) // only first melodic bank (Until multi-banks support will be implemented)
{
uint32_t bank_offset = root_offsets[bset] + (bankno * insSize * 128);
BanksDump::MidiBank bnk;
if(version >= 2)
{
uint32_t meta_offset = root_meta_offsets[bset] + (bankno * 34);
bnk.lsb = data[meta_offset + 32 + 0];
bnk.msb = data[meta_offset + 32 + 1];
}
for(uint32_t i = 0; i < 128; i++)
{
uint32_t offset = bank_offset + uint32_t(i * insSize);
std::string name;
insdata tmp[2];
BanksDump::InstrumentEntry inst;
BanksDump::Operator ops[5];
name.resize(32);
std::memcpy(&name[0], data.data() + offset, 32);
name.resize(std::strlen(&name[0]));
/*
WOPL's
0 AM/Vib/Env/Ksr/FMult characteristics
1 Key Scale Level / Total level register data
2 Attack / Decay
3 Systain and Release register data
4 Wave form
5 AM/Vib/Env/Ksr/FMult characteristics
6 Key Scale Level / Total level register data
7 Attack / Decay
8 Systain and Release register data
9 Wave form
*/
tmp[0].data[0] = data[offset + 42 + 5];//AMVIB op1
tmp[0].data[1] = data[offset + 42 + 0];//AMVIB op2
tmp[0].data[2] = data[offset + 42 + 7];//AtDec op1
tmp[0].data[3] = data[offset + 42 + 2];//AtDec op2
tmp[0].data[4] = data[offset + 42 + 8];//SusRel op1
tmp[0].data[5] = data[offset + 42 + 3];//SusRel op2
tmp[0].data[6] = data[offset + 42 + 9];//Wave op1
tmp[0].data[7] = data[offset + 42 + 4];//Wave op2
tmp[0].data[8] = data[offset + 42 + 6];//KSL op1
tmp[0].data[9] = data[offset + 42 + 1];//KSL op2
tmp[0].data[10] = data[offset + 40]; //FeedBack/Connection
tmp[1].data[0] = data[offset + 52 + 5];
tmp[1].data[1] = data[offset + 52 + 0];
tmp[1].data[2] = data[offset + 52 + 7];
tmp[1].data[3] = data[offset + 52 + 2];
tmp[1].data[4] = data[offset + 52 + 8];
tmp[1].data[5] = data[offset + 52 + 3];
tmp[1].data[6] = data[offset + 52 + 9];
tmp[1].data[7] = data[offset + 52 + 4];
tmp[1].data[8] = data[offset + 52 + 6];
tmp[1].data[9] = data[offset + 52 + 1];
tmp[1].data[10] = data[offset + 41];
/*
* We will don't read two millisecond delays on tail of instrument
* as there are will be re-calculated by measurer here.
* Those fields are made for hot-loading while runtime, but not
* for generation of embedded banks database.
*/
db.toOps(tmp[0], ops, 0);
db.toOps(tmp[1], ops, 2);
tmp[0].finetune = int8_t(toSint16BE((const uint8_t *)data.data() + offset + 32));
tmp[1].finetune = int8_t(toSint16BE((const uint8_t *)data.data() + offset + 34));
uint8_t flags = data[offset + 39];
struct ins tmp2;
tmp2.notenum = is_percussion ? data[offset + 38] : 0;
bool real4op = (flags & (uint8_t)WOPL_Flags::Mode_4op) != 0;
tmp2.pseudo4op = (flags & (uint8_t)WOPL_Flags::Mode_DoubleVoice) != 0;
tmp2.real4op = real4op && !tmp2.pseudo4op;
tmp2.voice2_fine_tune = 0;
tmp2.midi_velocity_offset = (int8_t)data[offset + 36];
tmp2.rhythmModeDrum = (flags & (uint8_t)WOPL_Flags::WOPL_RhythmModeMask);
tmp[0].diff = false;
tmp[1].diff = real4op && !tmp2.pseudo4op;
//----------------
inst.instFlags = flags;
inst.percussionKeyNumber = is_percussion ? data[offset + 38] : 0;
inst.noteOffset1 = int8_t(toSint16BE((const uint8_t *)data.data() + offset + 32));
inst.noteOffset2 = int8_t(toSint16BE((const uint8_t *)data.data() + offset + 34));
inst.secondVoiceDetune = static_cast<int_fast8_t>(data[offset + 37]);
inst.midiVelocityOffset = static_cast<int_fast8_t>(data[offset + 36]);
inst.fbConn = (static_cast<uint_fast16_t>(data[offset + 40])) |
(static_cast<uint_fast16_t>(data[offset + 41]) << 8);
if(version >= 2)
{
inst.delay_on_ms = toUint16BE((const uint8_t *)data.data() + offset + 62);
inst.delay_off_ms = toUint16BE((const uint8_t *)data.data() + offset + 64);
}
//----------------
int8_t fine_tune = (int8_t)data[offset + 37];
if(fine_tune != 0)
{
if(fine_tune == 1)
tmp2.voice2_fine_tune = 0.000025;
else if(fine_tune == -1)
tmp2.voice2_fine_tune = -0.000025;
else
tmp2.voice2_fine_tune = ((fine_tune * 15.625) / 1000.0);
}
uint32_t gmno = is_percussion ? i + 128 : i;
if(is_percussion)
{
int midi_index = (gmno < (128 + 35)) ? -1
: (gmno < (128 + 88)) ? int(gmno) - 35
: -1;
if(name.empty() && (midi_index >= 0))
name = std::string(1, '\377') + MidiInsName[midi_index];
if(!name.empty())
name.insert(0, 1, '\377');
}
else
{
if(name.empty())
name = std::string(1, '\377') + MidiInsName[gmno];
else
name.insert(0, 1, '\377');
}
char name2[512];
std::memset(name2, 0, 512);
if(is_percussion)
snprintf(name2, 512, "%sP%u", prefix, gmno & 127);
else
snprintf(name2, 512, "%sM%u", prefix, i);
if(bankno == 0)
{
if(!real4op && !tmp2.pseudo4op)
{
size_t resno = InsertIns(tmp[0], tmp2, name, name2);
SetBank(bank, gmno, resno);
}
else
{
size_t resno = InsertIns(tmp[0], tmp[1], tmp2, name, name2);
SetBank(bank, gmno, resno);
}
}
db.addInstrument(bnk, i, inst, ops);
}
db.addMidiBank(bankDb, is_percussion, bnk);
}
}
SetBankSetup(bank, setup);
return true;
}
#endif // LOAD_WOPL_H
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