mirror of
https://github.com/ZDoom/gzdoom-gles.git
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a4f05f5741
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. # Conflicts: # src/CMakeLists.txt # Conflicts: # src/sound/mididevices/music_adlmidi_mididevice.cpp
588 lines
16 KiB
C
588 lines
16 KiB
C
/*
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* Wohlstand's OPL3 Bank File - a bank format to store OPL3 timbre data and setup
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*
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* Copyright (c) 2015-2018 Vitaly Novichkov <admin@wohlnet.ru>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "wopl_file.h"
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#include <string.h>
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#include <stdlib.h>
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static const char *wopl3_magic = "WOPL3-BANK\0";
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static const char *wopli_magic = "WOPL3-INST\0";
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static const uint16_t wopl_latest_version = 3;
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#define WOPL_INST_SIZE_V2 62
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#define WOPL_INST_SIZE_V3 66
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static uint16_t toUint16LE(const uint8_t *arr)
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{
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uint16_t num = arr[0];
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num |= ((arr[1] << 8) & 0xFF00);
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return num;
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}
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static uint16_t toUint16BE(const uint8_t *arr)
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{
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uint16_t num = arr[1];
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num |= ((arr[0] << 8) & 0xFF00);
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return num;
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}
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static int16_t toSint16BE(const uint8_t *arr)
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{
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int16_t num = *(const int8_t *)(&arr[0]);
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num *= 1 << 8;
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num |= arr[1];
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return num;
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}
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static void fromUint16LE(uint16_t in, uint8_t *arr)
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{
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arr[0] = in & 0x00FF;
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arr[1] = (in >> 8) & 0x00FF;
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}
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static void fromUint16BE(uint16_t in, uint8_t *arr)
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{
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arr[1] = in & 0x00FF;
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arr[0] = (in >> 8) & 0x00FF;
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}
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static void fromSint16BE(int16_t in, uint8_t *arr)
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{
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arr[1] = in & 0x00FF;
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arr[0] = ((uint16_t)in >> 8) & 0x00FF;
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}
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WOPLFile *WOPL_Init(uint16_t melodic_banks, uint16_t percussive_banks)
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{
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WOPLFile *file = NULL;
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if(melodic_banks == 0)
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return NULL;
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if(percussive_banks == 0)
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return NULL;
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file = (WOPLFile*)calloc(1, sizeof(WOPLFile));
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if(!file)
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return NULL;
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file->banks_count_melodic = melodic_banks;
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file->banks_count_percussion = percussive_banks;
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file->banks_melodic = (WOPLBank*)calloc(1, sizeof(WOPLBank) * melodic_banks );
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file->banks_percussive = (WOPLBank*)calloc(1, sizeof(WOPLBank) * percussive_banks );
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return file;
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}
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void WOPL_Free(WOPLFile *file)
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{
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if(file)
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{
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if(file->banks_melodic)
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free(file->banks_melodic);
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if(file->banks_percussive)
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free(file->banks_percussive);
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free(file);
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}
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}
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int WOPL_BanksCmp(const WOPLFile *bank1, const WOPLFile *bank2)
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{
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int res = 1;
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res &= (bank1->version == bank2->version);
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res &= (bank1->opl_flags == bank2->opl_flags);
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res &= (bank1->volume_model == bank2->volume_model);
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res &= (bank1->banks_count_melodic == bank2->banks_count_melodic);
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res &= (bank1->banks_count_percussion == bank2->banks_count_percussion);
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if(res)
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{
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int i;
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for(i = 0; i < bank1->banks_count_melodic; i++)
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res &= (memcmp(&bank1->banks_melodic[i], &bank2->banks_melodic[i], sizeof(WOPLBank)) == 0);
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if(res)
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{
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for(i = 0; i < bank1->banks_count_percussion; i++)
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res &= (memcmp(&bank1->banks_percussive[i], &bank2->banks_percussive[i], sizeof(WOPLBank)) == 0);
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}
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}
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return res;
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}
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static void WOPL_parseInstrument(WOPLInstrument *ins, uint8_t *cursor, uint16_t version, uint8_t has_sounding_delays)
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{
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int l;
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strncpy(ins->inst_name, (const char*)cursor, 32);
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ins->inst_name[32] = '\0';
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ins->note_offset1 = toSint16BE(cursor + 32);
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ins->note_offset2 = toSint16BE(cursor + 34);
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ins->midi_velocity_offset = (int8_t)cursor[36];
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ins->second_voice_detune = (int8_t)cursor[37];
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ins->percussion_key_number = cursor[38];
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ins->inst_flags = cursor[39];
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ins->fb_conn1_C0 = cursor[40];
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ins->fb_conn2_C0 = cursor[41];
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for(l = 0; l < 4; l++)
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{
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size_t off = 42 + (size_t)(l) * 5;
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ins->operators[l].avekf_20 = cursor[off + 0];
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ins->operators[l].ksl_l_40 = cursor[off + 1];
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ins->operators[l].atdec_60 = cursor[off + 2];
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ins->operators[l].susrel_80 = cursor[off + 3];
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ins->operators[l].waveform_E0 = cursor[off + 4];
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}
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if((version >= 3) && has_sounding_delays)
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{
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ins->delay_on_ms = toUint16BE(cursor + 62);
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ins->delay_off_ms = toUint16BE(cursor + 64);
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}
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}
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static void WOPL_writeInstrument(WOPLInstrument *ins, uint8_t *cursor, uint16_t version, uint8_t has_sounding_delays)
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{
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int l;
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strncpy((char*)cursor, ins->inst_name, 32);
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fromSint16BE(ins->note_offset1, cursor + 32);
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fromSint16BE(ins->note_offset2, cursor + 34);
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cursor[36] = (uint8_t)ins->midi_velocity_offset;
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cursor[37] = (uint8_t)ins->second_voice_detune;
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cursor[38] = ins->percussion_key_number;
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cursor[39] = ins->inst_flags;
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cursor[40] = ins->fb_conn1_C0;
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cursor[41] = ins->fb_conn2_C0;
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for(l = 0; l < 4; l++)
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{
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size_t off = 42 + (size_t)(l) * 5;
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cursor[off + 0] = ins->operators[l].avekf_20;
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cursor[off + 1] = ins->operators[l].ksl_l_40;
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cursor[off + 2] = ins->operators[l].atdec_60;
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cursor[off + 3] = ins->operators[l].susrel_80;
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cursor[off + 4] = ins->operators[l].waveform_E0;
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}
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if((version >= 3) && has_sounding_delays)
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{
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fromUint16BE(ins->delay_on_ms, cursor + 62);
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fromUint16BE(ins->delay_off_ms, cursor + 64);
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}
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}
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WOPLFile *WOPL_LoadBankFromMem(void *mem, size_t length, int *error)
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{
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WOPLFile *outFile = NULL;
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uint16_t i = 0, j = 0, k = 0;
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uint16_t version = 0;
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uint16_t count_melodic_banks = 1;
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uint16_t count_percusive_banks = 1;
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uint8_t *cursor = (uint8_t *)mem;
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WOPLBank *bankslots[2];
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uint16_t bankslots_sizes[2];
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#define SET_ERROR(err) \
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{\
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WOPL_Free(outFile);\
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if(error)\
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{\
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*error = err;\
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}\
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}
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#define GO_FORWARD(bytes) { cursor += bytes; length -= bytes; }
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if(!cursor)
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{
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SET_ERROR(WOPL_ERR_NULL_POINTER);
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return NULL;
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}
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{/* Magic number */
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if(length < 11)
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{
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SET_ERROR(WOPL_ERR_UNEXPECTED_ENDING);
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return NULL;
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}
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if(memcmp(cursor, wopl3_magic, 11) != 0)
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{
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SET_ERROR(WOPL_ERR_BAD_MAGIC);
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return NULL;
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}
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GO_FORWARD(11);
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}
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{/* Version code */
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if(length < 2)
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{
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SET_ERROR(WOPL_ERR_UNEXPECTED_ENDING);
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return NULL;
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}
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version = toUint16LE(cursor);
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if(version > wopl_latest_version)
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{
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SET_ERROR(WOPL_ERR_NEWER_VERSION);
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return NULL;
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}
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GO_FORWARD(2);
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}
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{/* Header of WOPL */
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uint8_t head[6];
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if(length < 6)
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{
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SET_ERROR(WOPL_ERR_UNEXPECTED_ENDING);
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return NULL;
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}
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memcpy(head, cursor, 6);
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count_melodic_banks = toUint16BE(head);
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count_percusive_banks = toUint16BE(head + 2);
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GO_FORWARD(6);
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outFile = WOPL_Init(count_melodic_banks, count_percusive_banks);
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if(!outFile)
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{
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SET_ERROR(WOPL_ERR_OUT_OF_MEMORY);
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return NULL;
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}
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outFile->version = version;
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outFile->opl_flags = head[4];
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outFile->volume_model = head[5];
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}
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bankslots_sizes[0] = count_melodic_banks;
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bankslots[0] = outFile->banks_melodic;
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bankslots_sizes[1] = count_percusive_banks;
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bankslots[1] = outFile->banks_percussive;
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if(version >= 2) /* Bank names and LSB/MSB titles */
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{
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for(i = 0; i < 2; i++)
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{
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for(j = 0; j < bankslots_sizes[i]; j++)
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{
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if(length < 34)
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{
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SET_ERROR(WOPL_ERR_UNEXPECTED_ENDING);
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return NULL;
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}
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strncpy(bankslots[i][j].bank_name, (const char*)cursor, 32);
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bankslots[i][j].bank_name[32] = '\0';
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bankslots[i][j].bank_midi_lsb = cursor[32];
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bankslots[i][j].bank_midi_msb = cursor[33];
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GO_FORWARD(34);
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}
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}
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}
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{/* Read instruments data */
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uint16_t insSize = 0;
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if(version > 2)
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insSize = WOPL_INST_SIZE_V3;
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else
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insSize = WOPL_INST_SIZE_V2;
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for(i = 0; i < 2; i++)
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{
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if(length < (insSize * 128) * (size_t)bankslots_sizes[i])
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{
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SET_ERROR(WOPL_ERR_UNEXPECTED_ENDING);
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return NULL;
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}
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for(j = 0; j < bankslots_sizes[i]; j++)
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{
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for(k = 0; k < 128; k++)
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{
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WOPLInstrument *ins = &bankslots[i][j].ins[k];
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WOPL_parseInstrument(ins, cursor, version, 1);
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GO_FORWARD(insSize);
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}
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}
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}
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}
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#undef GO_FORWARD
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#undef SET_ERROR
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return outFile;
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}
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int WOPL_LoadInstFromMem(WOPIFile *file, void *mem, size_t length)
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{
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uint16_t version = 0;
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uint8_t *cursor = (uint8_t *)mem;
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uint16_t ins_size;
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if(!cursor)
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return WOPL_ERR_NULL_POINTER;
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#define GO_FORWARD(bytes) { cursor += bytes; length -= bytes; }
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{/* Magic number */
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if(length < 11)
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return WOPL_ERR_UNEXPECTED_ENDING;
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if(memcmp(cursor, wopli_magic, 11) != 0)
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return WOPL_ERR_BAD_MAGIC;
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GO_FORWARD(11);
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}
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{/* Version code */
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if(length < 2)
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return WOPL_ERR_UNEXPECTED_ENDING;
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version = toUint16LE(cursor);
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if(version > wopl_latest_version)
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return WOPL_ERR_NEWER_VERSION;
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GO_FORWARD(2);
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}
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file->version = version;
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{/* is drum flag */
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if(length < 1)
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return WOPL_ERR_UNEXPECTED_ENDING;
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file->is_drum = *cursor;
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GO_FORWARD(1);
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}
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if(version > 2)
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/* Skip sounding delays are not part of single-instrument file
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* two sizes of uint16_t will be subtracted */
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ins_size = WOPL_INST_SIZE_V3 - (sizeof(uint16_t) * 2);
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else
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ins_size = WOPL_INST_SIZE_V2;
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if(length < ins_size)
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return WOPL_ERR_UNEXPECTED_ENDING;
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WOPL_parseInstrument(&file->inst, cursor, version, 0);
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GO_FORWARD(ins_size);
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return WOPL_ERR_OK;
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#undef GO_FORWARD
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}
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size_t WOPL_CalculateBankFileSize(WOPLFile *file, uint16_t version)
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{
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size_t final_size = 0;
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size_t ins_size = 0;
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if(version == 0)
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version = wopl_latest_version;
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if(!file)
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return 0;
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final_size += 11 + 2 + 2 + 2 + 1 + 1;
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/*
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* Magic number,
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* Version,
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* Count of melodic banks,
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* Count of percussive banks,
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* Chip specific flags
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* Volume Model
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*/
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if(version >= 2)
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{
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/* Melodic banks meta-data */
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final_size += (32 + 1 + 1) * file->banks_count_melodic;
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/* Percussive banks meta-data */
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final_size += (32 + 1 + 1) * file->banks_count_percussion;
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}
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if(version >= 3)
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ins_size = WOPL_INST_SIZE_V3;
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else
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ins_size = WOPL_INST_SIZE_V2;
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/* Melodic instruments */
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final_size += (ins_size * 128) * file->banks_count_melodic;
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/* Percusive instruments */
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final_size += (ins_size * 128) * file->banks_count_percussion;
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return final_size;
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}
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size_t WOPL_CalculateInstFileSize(WOPIFile *file, uint16_t version)
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{
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size_t final_size = 0;
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size_t ins_size = 0;
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if(version == 0)
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version = wopl_latest_version;
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if(!file)
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return 0;
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final_size += 11 + 2 + 1;
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/*
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* Magic number,
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* version,
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* is percussive instrument
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*/
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if(version > 2)
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/* Skip sounding delays are not part of single-instrument file
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* two sizes of uint16_t will be subtracted */
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ins_size = WOPL_INST_SIZE_V3 - (sizeof(uint16_t) * 2);
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else
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ins_size = WOPL_INST_SIZE_V2;
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final_size += ins_size;
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return final_size;
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}
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int WOPL_SaveBankToMem(WOPLFile *file, void *dest_mem, size_t length, uint16_t version, uint16_t force_gm)
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{
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uint8_t *cursor = (uint8_t *)dest_mem;
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uint16_t ins_size = 0;
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uint16_t i, j, k;
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uint16_t banks_melodic = force_gm ? 1 : file->banks_count_melodic;
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uint16_t banks_percusive = force_gm ? 1 : file->banks_count_percussion;
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WOPLBank *bankslots[2];
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uint16_t bankslots_sizes[2];
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if(version == 0)
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version = wopl_latest_version;
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#define GO_FORWARD(bytes) { cursor += bytes; length -= bytes; }
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if(length < 11)
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return WOPL_ERR_UNEXPECTED_ENDING;
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memcpy(cursor, wopl3_magic, 11);
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GO_FORWARD(11);
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if(length < 2)
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return WOPL_ERR_UNEXPECTED_ENDING;
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fromUint16LE(version, cursor);
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GO_FORWARD(2);
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if(length < 2)
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return WOPL_ERR_UNEXPECTED_ENDING;
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fromUint16BE(banks_melodic, cursor);
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GO_FORWARD(2);
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if(length < 2)
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return WOPL_ERR_UNEXPECTED_ENDING;
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fromUint16BE(banks_percusive, cursor);
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GO_FORWARD(2);
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if(length < 2)
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return WOPL_ERR_UNEXPECTED_ENDING;
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cursor[0] = file->opl_flags;
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cursor[1] = file->volume_model;
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GO_FORWARD(2);
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bankslots[0] = file->banks_melodic;
|
|
bankslots_sizes[0] = banks_melodic;
|
|
bankslots[1] = file->banks_percussive;
|
|
bankslots_sizes[1] = banks_percusive;
|
|
|
|
if(version >= 2)
|
|
{
|
|
for(i = 0; i < 2; i++)
|
|
{
|
|
for(j = 0; j < bankslots_sizes[i]; j++)
|
|
{
|
|
if(length < 34)
|
|
return WOPL_ERR_UNEXPECTED_ENDING;
|
|
strncpy((char*)cursor, bankslots[i][j].bank_name, 32);
|
|
cursor[32] = bankslots[i][j].bank_midi_lsb;
|
|
cursor[33] = bankslots[i][j].bank_midi_msb;
|
|
GO_FORWARD(34);
|
|
}
|
|
}
|
|
}
|
|
|
|
{/* Write instruments data */
|
|
if(version >= 3)
|
|
ins_size = WOPL_INST_SIZE_V3;
|
|
else
|
|
ins_size = WOPL_INST_SIZE_V2;
|
|
for(i = 0; i < 2; i++)
|
|
{
|
|
if(length < (ins_size * 128) * (size_t)bankslots_sizes[i])
|
|
return WOPL_ERR_UNEXPECTED_ENDING;
|
|
|
|
for(j = 0; j < bankslots_sizes[i]; j++)
|
|
{
|
|
for(k = 0; k < 128; k++)
|
|
{
|
|
WOPLInstrument *ins = &bankslots[i][j].ins[k];
|
|
WOPL_writeInstrument(ins, cursor, version, 1);
|
|
GO_FORWARD(ins_size);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return WOPL_ERR_OK;
|
|
#undef GO_FORWARD
|
|
}
|
|
|
|
int WOPL_SaveInstToMem(WOPIFile *file, void *dest_mem, size_t length, uint16_t version)
|
|
{
|
|
uint8_t *cursor = (uint8_t *)dest_mem;
|
|
uint16_t ins_size;
|
|
|
|
if(!cursor)
|
|
return WOPL_ERR_NULL_POINTER;
|
|
|
|
if(version == 0)
|
|
version = wopl_latest_version;
|
|
|
|
#define GO_FORWARD(bytes) { cursor += bytes; length -= bytes; }
|
|
|
|
{/* Magic number */
|
|
if(length < 11)
|
|
return WOPL_ERR_UNEXPECTED_ENDING;
|
|
memcpy(cursor, wopli_magic, 11);
|
|
GO_FORWARD(11);
|
|
}
|
|
|
|
{/* Version code */
|
|
if(length < 2)
|
|
return WOPL_ERR_UNEXPECTED_ENDING;
|
|
fromUint16LE(version, cursor);
|
|
GO_FORWARD(2);
|
|
}
|
|
|
|
{/* is drum flag */
|
|
if(length < 1)
|
|
return WOPL_ERR_UNEXPECTED_ENDING;
|
|
*cursor = file->is_drum;
|
|
GO_FORWARD(1);
|
|
}
|
|
|
|
if(version > 2)
|
|
/* Skip sounding delays are not part of single-instrument file
|
|
* two sizes of uint16_t will be subtracted */
|
|
ins_size = WOPL_INST_SIZE_V3 - (sizeof(uint16_t) * 2);
|
|
else
|
|
ins_size = WOPL_INST_SIZE_V2;
|
|
|
|
if(length < ins_size)
|
|
return WOPL_ERR_UNEXPECTED_ENDING;
|
|
|
|
WOPL_writeInstrument(&file->inst, cursor, version, 0);
|
|
GO_FORWARD(ins_size);
|
|
|
|
return WOPL_ERR_OK;
|
|
#undef GO_FORWARD
|
|
}
|