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/*************************************************************************** |
/*************************************************************************** |
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* * |
* * |
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* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
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* Copyright (C) 2003-2005 by Christian Schoenebeck * |
* Copyright (C) 2003-2007 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
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* * |
* * |
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* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
45 |
#define CONN_TRANSFORM_INVERT_SRC_ENCODE(x) ((x) ? 0x8000 : 0) |
#define CONN_TRANSFORM_INVERT_SRC_ENCODE(x) ((x) ? 0x8000 : 0) |
46 |
#define CONN_TRANSFORM_INVERT_CTL_ENCODE(x) ((x) ? 0x0200 : 0) |
#define CONN_TRANSFORM_INVERT_CTL_ENCODE(x) ((x) ? 0x0200 : 0) |
47 |
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48 |
#define DRUM_TYPE_MASK 0x00000001 |
#define DRUM_TYPE_MASK 0x80000000 |
49 |
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50 |
#define F_RGN_OPTION_SELFNONEXCLUSIVE 0x0001 |
#define F_RGN_OPTION_SELFNONEXCLUSIVE 0x0001 |
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142 |
const int iEntrySize = 12; // 12 bytes per connection block |
const int iEntrySize = 12; // 12 bytes per connection block |
143 |
pArticulationCk->Resize(HeaderSize + Connections * iEntrySize); |
pArticulationCk->Resize(HeaderSize + Connections * iEntrySize); |
144 |
uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData(); |
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memccpy(&pData[0], &HeaderSize, 1, 2); |
store16(&pData[0], HeaderSize); |
146 |
memccpy(&pData[2], &Connections, 1, 2); |
store16(&pData[2], Connections); |
147 |
for (uint32_t i = 0; i < Connections; i++) { |
for (uint32_t i = 0; i < Connections; i++) { |
148 |
Connection::conn_block_t c = pConnections[i].ToConnBlock(); |
Connection::conn_block_t c = pConnections[i].ToConnBlock(); |
149 |
memccpy(&pData[HeaderSize + i * iEntrySize], &c.source, 1, 2); |
store16(&pData[HeaderSize + i * iEntrySize], c.source); |
150 |
memccpy(&pData[HeaderSize + i * iEntrySize + 2], &c.control, 1, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 2], c.control); |
151 |
memccpy(&pData[HeaderSize + i * iEntrySize + 4], &c.destination, 1, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 4], c.destination); |
152 |
memccpy(&pData[HeaderSize + i * iEntrySize + 6], &c.transform, 1, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 6], c.transform); |
153 |
memccpy(&pData[HeaderSize + i * iEntrySize + 8], &c.scale, 1, 4); |
store32(&pData[HeaderSize + i * iEntrySize + 8], c.scale); |
154 |
} |
} |
155 |
} |
} |
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229 |
/** @brief Constructor. |
/** @brief Constructor. |
230 |
* |
* |
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* Initializes the info strings with values provided by a INFO list chunk. |
* Initializes the info strings with values provided by an INFO list chunk. |
232 |
* |
* |
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* @param list - pointer to a list chunk which contains a INFO list chunk |
* @param list - pointer to a list chunk which contains an INFO list chunk |
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*/ |
*/ |
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Info::Info(RIFF::List* list) { |
Info::Info(RIFF::List* list) { |
236 |
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UseFixedLengthStrings = false; |
237 |
pResourceListChunk = list; |
pResourceListChunk = list; |
238 |
if (list) { |
if (list) { |
239 |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
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LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
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LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
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LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned); |
LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned); |
257 |
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LoadString(CHUNK_ID_ISBJ, lstINFO, Subject); |
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} |
} |
259 |
} |
} |
260 |
} |
} |
269 |
*/ |
*/ |
270 |
void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) { |
void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) { |
271 |
RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
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if (ck) { |
::LoadString(ck, s); // function from helper.h |
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// TODO: no check for ZSTR terminated strings yet |
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s = (char*) ck->LoadChunkData(); |
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ck->ReleaseChunkData(); |
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} |
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} |
} |
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/** @brief Apply given INFO field to the respective chunk. |
/** @brief Apply given INFO field to the respective chunk. |
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* @param lstINFO - parent (INFO) RIFF list chunk |
* @param lstINFO - parent (INFO) RIFF list chunk |
287 |
* @param s - current value of info field |
* @param s - current value of info field |
288 |
* @param sDefault - default value |
* @param sDefault - default value |
289 |
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* @param bUseFixedLengthStrings - should a specific string size be forced in the chunk? |
290 |
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* @param size - wanted size of the INFO chunk. This is ignored if bUseFixedLengthStrings is false. |
291 |
*/ |
*/ |
292 |
void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault) { |
void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault, bool bUseFixedLengthStrings, int size) { |
293 |
RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
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if (ck) { // if chunk exists already, use 's' as value |
::SaveString(ChunkID, ck, lstINFO, s, sDefault, bUseFixedLengthStrings, size); // function from helper.h |
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ck->Resize(s.size() + 1); |
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char* pData = (char*) ck->LoadChunkData(); |
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memcpy(pData, s.c_str(), s.size() + 1); |
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} else if (s != "" || sDefault != "") { // create chunk |
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const String& sToSave = (s != "") ? s : sDefault; |
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ck = lstINFO->AddSubChunk(ChunkID, sToSave.size() + 1); |
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char* pData = (char*) ck->LoadChunkData(); |
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memcpy(pData, sToSave.c_str(), sToSave.size() + 1); |
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} |
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} |
} |
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297 |
/** @brief Update chunks with current info values. |
/** @brief Update chunks with current info values. |
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305 |
// make sure INFO list chunk exists |
// make sure INFO list chunk exists |
306 |
RIFF::List* lstINFO = pResourceListChunk->GetSubList(LIST_TYPE_INFO); |
RIFF::List* lstINFO = pResourceListChunk->GetSubList(LIST_TYPE_INFO); |
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if (!lstINFO) lstINFO = pResourceListChunk->AddSubList(LIST_TYPE_INFO); |
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307 |
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308 |
// assemble default values in case the respective chunk is missing yet |
String defaultName = ""; |
309 |
String defaultName = "NONAME"; |
String defaultCreationDate = ""; |
310 |
// get current date |
String defaultSoftware = ""; |
311 |
time_t now = time(NULL); |
String defaultComments = ""; |
312 |
tm* pNowBroken = localtime(&now); |
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313 |
String defaultCreationDate = ToString(1900 + pNowBroken->tm_year) + "-" + |
uint32_t resourceType = pResourceListChunk->GetListType(); |
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ToString(pNowBroken->tm_mon + 1) + "-" + |
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315 |
ToString(pNowBroken->tm_mday); |
if (!lstINFO) { |
316 |
String defaultSoftware = libraryName() + " " + libraryVersion(); |
lstINFO = pResourceListChunk->AddSubList(LIST_TYPE_INFO); |
317 |
String defaultComments = "Created with " + libraryName() + " " + libraryVersion(); |
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318 |
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// assemble default values |
319 |
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defaultName = "NONAME"; |
320 |
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321 |
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if (resourceType == RIFF_TYPE_DLS) { |
322 |
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// get current date |
323 |
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time_t now = time(NULL); |
324 |
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tm* pNowBroken = localtime(&now); |
325 |
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char buf[11]; |
326 |
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strftime(buf, 11, "%F", pNowBroken); |
327 |
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defaultCreationDate = buf; |
328 |
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329 |
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defaultComments = "Created with " + libraryName() + " " + libraryVersion(); |
330 |
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} |
331 |
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if (resourceType == RIFF_TYPE_DLS || resourceType == LIST_TYPE_INS) |
332 |
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{ |
333 |
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defaultSoftware = libraryName() + " " + libraryVersion(); |
334 |
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} |
335 |
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} |
336 |
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337 |
// save values |
// save values |
338 |
SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName); |
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339 |
SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String("")); |
// (the string size values are for gig files; they are only |
340 |
SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate); |
// used if UseFixedLengthStrings is set to true) |
341 |
SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments); |
SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName, UseFixedLengthStrings, |
342 |
SaveString(CHUNK_ID_IPRD, lstINFO, Product, String("")); |
resourceType == RIFF_TYPE_DLS ? 128 : 64); |
343 |
SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String("")); |
SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String(""), UseFixedLengthStrings, 256); |
344 |
SaveString(CHUNK_ID_IART, lstINFO, Artists, String("")); |
SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate, UseFixedLengthStrings, 128); |
345 |
SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String("")); |
SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments, UseFixedLengthStrings, 1024); |
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SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String("")); |
SaveString(CHUNK_ID_IPRD, lstINFO, Product, String(""), UseFixedLengthStrings, 128); |
347 |
SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String("")); |
SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String(""), UseFixedLengthStrings, 128); |
348 |
SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String("")); |
SaveString(CHUNK_ID_IART, lstINFO, Artists, String(""), UseFixedLengthStrings, 128); |
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SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware); |
SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String(""), UseFixedLengthStrings, 128); |
350 |
SaveString(CHUNK_ID_IMED, lstINFO, Medium, String("")); |
SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String(""), UseFixedLengthStrings, 128); |
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SaveString(CHUNK_ID_ISRC, lstINFO, Source, String("")); |
SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String(""), UseFixedLengthStrings, 128); |
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SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String("")); |
SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String(""), UseFixedLengthStrings, 128); |
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SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String("")); |
SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware, UseFixedLengthStrings, |
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resourceType == LIST_TYPE_INS ? |
355 |
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(Software == "" ? defaultSoftware.length()+1 : Software.length()+1) : 128); |
356 |
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SaveString(CHUNK_ID_IMED, lstINFO, Medium, String(""), UseFixedLengthStrings, 128); |
357 |
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SaveString(CHUNK_ID_ISRC, lstINFO, Source, String(""), UseFixedLengthStrings, 128); |
358 |
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SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String(""), UseFixedLengthStrings, 128); |
359 |
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SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String(""), UseFixedLengthStrings, 128); |
360 |
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SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String(""), UseFixedLengthStrings, 128); |
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} |
} |
362 |
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363 |
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463 |
} |
} |
464 |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
465 |
// update headers size |
// update headers size |
466 |
memccpy(&pData[0], &uiHeaderSize, 1, 4); |
store32(&pData[0], uiHeaderSize); |
467 |
// update respective sampler options bits |
// update respective sampler options bits |
468 |
SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION |
SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION |
469 |
: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
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SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
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: SamplerOptions & (~F_WSMP_NO_COMPRESSION); |
: SamplerOptions & (~F_WSMP_NO_COMPRESSION); |
472 |
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store16(&pData[4], UnityNote); |
473 |
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store16(&pData[6], FineTune); |
474 |
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store32(&pData[8], Gain); |
475 |
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store32(&pData[12], SamplerOptions); |
476 |
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store32(&pData[16], SampleLoops); |
477 |
// update loop definitions |
// update loop definitions |
478 |
for (uint32_t i = 0; i < SampleLoops; i++) { |
for (uint32_t i = 0; i < SampleLoops; i++) { |
479 |
//FIXME: this does not handle extended loop structs correctly |
//FIXME: this does not handle extended loop structs correctly |
480 |
memccpy(&pData[uiHeaderSize + i * 16], pSampleLoops + i, 4, 4); |
store32(&pData[uiHeaderSize + i * 16], pSampleLoops[i].Size); |
481 |
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store32(&pData[uiHeaderSize + i * 16 + 4], pSampleLoops[i].LoopType); |
482 |
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store32(&pData[uiHeaderSize + i * 16 + 8], pSampleLoops[i].LoopStart); |
483 |
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store32(&pData[uiHeaderSize + i * 16 + 12], pSampleLoops[i].LoopLength); |
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} |
} |
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} |
} |
486 |
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487 |
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/** |
488 |
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* Adds a new sample loop with the provided loop definition. |
489 |
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* |
490 |
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* @param - points to a loop definition that is to be copied |
491 |
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*/ |
492 |
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void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) { |
493 |
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sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1]; |
494 |
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// copy old loops array |
495 |
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for (int i = 0; i < SampleLoops; i++) { |
496 |
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pNewLoops[i] = pSampleLoops[i]; |
497 |
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} |
498 |
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// add the new loop |
499 |
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pNewLoops[SampleLoops] = *pLoopDef; |
500 |
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// auto correct size field |
501 |
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pNewLoops[SampleLoops].Size = sizeof(DLS::sample_loop_t); |
502 |
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// free the old array and update the member variables |
503 |
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if (SampleLoops) delete[] pSampleLoops; |
504 |
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pSampleLoops = pNewLoops; |
505 |
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SampleLoops++; |
506 |
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} |
507 |
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508 |
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/** |
509 |
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* Deletes an existing sample loop. |
510 |
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* |
511 |
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* @param pLoopDef - pointer to existing loop definition |
512 |
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* @throws Exception - if given loop definition does not exist |
513 |
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*/ |
514 |
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void Sampler::DeleteSampleLoop(sample_loop_t* pLoopDef) { |
515 |
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sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops - 1]; |
516 |
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// copy old loops array (skipping given loop) |
517 |
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for (int i = 0, o = 0; i < SampleLoops; i++) { |
518 |
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if (&pSampleLoops[i] == pLoopDef) continue; |
519 |
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if (o == SampleLoops - 1) |
520 |
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throw Exception("Could not delete Sample Loop, because it does not exist"); |
521 |
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pNewLoops[o] = pSampleLoops[i]; |
522 |
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o++; |
523 |
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} |
524 |
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// free the old array and update the member variables |
525 |
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if (SampleLoops) delete[] pSampleLoops; |
526 |
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pSampleLoops = pNewLoops; |
527 |
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SampleLoops--; |
528 |
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} |
529 |
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530 |
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531 |
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532 |
// *************** Sample *************** |
// *************** Sample *************** |
560 |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
561 |
BlockAlign = pCkFormat->ReadUint16(); |
BlockAlign = pCkFormat->ReadUint16(); |
562 |
// PCM format specific |
// PCM format specific |
563 |
if (FormatTag == WAVE_FORMAT_PCM) { |
if (FormatTag == DLS_WAVE_FORMAT_PCM) { |
564 |
BitDepth = pCkFormat->ReadUint16(); |
BitDepth = pCkFormat->ReadUint16(); |
565 |
FrameSize = (FormatTag == WAVE_FORMAT_PCM) ? (BitDepth / 8) * Channels |
FrameSize = (BitDepth / 8) * Channels; |
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: 0; |
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566 |
} else { // unsupported sample data format |
} else { // unsupported sample data format |
567 |
BitDepth = 0; |
BitDepth = 0; |
568 |
FrameSize = 0; |
FrameSize = 0; |
569 |
} |
} |
570 |
} else { // 'fmt' chunk missing |
} else { // 'fmt' chunk missing |
571 |
FormatTag = WAVE_FORMAT_PCM; |
FormatTag = DLS_WAVE_FORMAT_PCM; |
572 |
BitDepth = 16; |
BitDepth = 16; |
573 |
Channels = 1; |
Channels = 1; |
574 |
SamplesPerSecond = 44100; |
SamplesPerSecond = 44100; |
576 |
FrameSize = (BitDepth / 8) * Channels; |
FrameSize = (BitDepth / 8) * Channels; |
577 |
BlockAlign = FrameSize; |
BlockAlign = FrameSize; |
578 |
} |
} |
579 |
SamplesTotal = (pCkData) ? (FormatTag == WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
580 |
: 0 |
: 0 |
581 |
: 0; |
: 0; |
582 |
} |
} |
583 |
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637 |
* the RIFF chunk which encapsulates the sample's wave data. The |
* the RIFF chunk which encapsulates the sample's wave data. The |
638 |
* returned value is dependant to the current FrameSize value. |
* returned value is dependant to the current FrameSize value. |
639 |
* |
* |
640 |
* @returns number of sample points or 0 if FormatTag != WAVE_FORMAT_PCM |
* @returns number of sample points or 0 if FormatTag != DLS_WAVE_FORMAT_PCM |
641 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
642 |
*/ |
*/ |
643 |
unsigned long Sample::GetSize() { |
unsigned long Sample::GetSize() { |
644 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; |
645 |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
646 |
} |
} |
647 |
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663 |
* calling File::Save() as this might exceed the current sample's |
* calling File::Save() as this might exceed the current sample's |
664 |
* boundary! |
* boundary! |
665 |
* |
* |
666 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
667 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
668 |
* other formats will fail! |
* other formats will fail! |
669 |
* |
* |
670 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
671 |
* greater than zero) |
* greater than zero) |
672 |
* @throws Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
673 |
* @throws Exception if \a iNewSize is less than 1 |
* @throws Exception if \a iNewSize is less than 1 |
674 |
* @see File::Save(), FrameSize, FormatTag |
* @see File::Save(), FrameSize, FormatTag |
675 |
*/ |
*/ |
676 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(int iNewSize) { |
677 |
if (FormatTag != WAVE_FORMAT_PCM) throw Exception("Sample's format is not WAVE_FORMAT_PCM"); |
if (FormatTag != DLS_WAVE_FORMAT_PCM) throw Exception("Sample's format is not DLS_WAVE_FORMAT_PCM"); |
678 |
if (iNewSize < 1) throw Exception("Sample size must be at least one sample point"); |
if (iNewSize < 1) throw Exception("Sample size must be at least one sample point"); |
679 |
const int iSizeInBytes = iNewSize * FrameSize; |
const int iSizeInBytes = iNewSize * FrameSize; |
680 |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
687 |
* bytes). Use this method and <i>Read()</i> if you don't want to load |
* bytes). Use this method and <i>Read()</i> if you don't want to load |
688 |
* the sample into RAM, thus for disk streaming. |
* the sample into RAM, thus for disk streaming. |
689 |
* |
* |
690 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
691 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to reposition the sample |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample |
692 |
* with other formats will fail! |
* with other formats will fail! |
693 |
* |
* |
694 |
* @param SampleCount number of sample points |
* @param SampleCount number of sample points |
695 |
* @param Whence to which relation \a SampleCount refers to |
* @param Whence to which relation \a SampleCount refers to |
696 |
* @returns new position within the sample, 0 if |
* @returns new position within the sample, 0 if |
697 |
* FormatTag != WAVE_FORMAT_PCM |
* FormatTag != DLS_WAVE_FORMAT_PCM |
698 |
* @throws Exception if no data RIFF chunk was created for the sample yet |
* @throws Exception if no data RIFF chunk was created for the sample yet |
699 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
700 |
*/ |
*/ |
701 |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
702 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
703 |
if (!pCkData) throw Exception("No data chunk created for sample yet, call Sample::Resize() to create one"); |
if (!pCkData) throw Exception("No data chunk created for sample yet, call Sample::Resize() to create one"); |
704 |
unsigned long orderedBytes = SampleCount * FrameSize; |
unsigned long orderedBytes = SampleCount * FrameSize; |
705 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
717 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
718 |
*/ |
*/ |
719 |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
720 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
721 |
return pCkData->Read(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
return pCkData->Read(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
722 |
} |
} |
723 |
|
|
737 |
* @see LoadSampleData() |
* @see LoadSampleData() |
738 |
*/ |
*/ |
739 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
740 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format |
741 |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small"); |
742 |
return pCkData->Write(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
return pCkData->Write(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
743 |
} |
} |
746 |
* Apply sample and its settings to the respective RIFF chunks. You have |
* Apply sample and its settings to the respective RIFF chunks. You have |
747 |
* to call File::Save() to make changes persistent. |
* to call File::Save() to make changes persistent. |
748 |
* |
* |
749 |
* @throws Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
750 |
* was provided yet |
* was provided yet |
751 |
*/ |
*/ |
752 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks() { |
753 |
if (FormatTag != WAVE_FORMAT_PCM) |
if (FormatTag != DLS_WAVE_FORMAT_PCM) |
754 |
throw Exception("Could not save sample, only PCM format is supported"); |
throw Exception("Could not save sample, only PCM format is supported"); |
755 |
// we refuse to do anything if not sample wave form was provided yet |
// we refuse to do anything if not sample wave form was provided yet |
756 |
if (!pCkData) |
if (!pCkData) |
762 |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
763 |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
764 |
// update 'fmt' chunk |
// update 'fmt' chunk |
765 |
memccpy(&pData[0], &FormatTag, 1, 2); |
store16(&pData[0], FormatTag); |
766 |
memccpy(&pData[2], &Channels, 1, 2); |
store16(&pData[2], Channels); |
767 |
memccpy(&pData[4], &SamplesPerSecond, 1, 4); |
store32(&pData[4], SamplesPerSecond); |
768 |
memccpy(&pData[8], &AverageBytesPerSecond, 1, 4); |
store32(&pData[8], AverageBytesPerSecond); |
769 |
memccpy(&pData[12], &BlockAlign, 1, 2); |
store16(&pData[12], BlockAlign); |
770 |
memccpy(&pData[14], &BitDepth, 1, 2); // assuming PCM format |
store16(&pData[14], BitDepth); // assuming PCM format |
771 |
} |
} |
772 |
|
|
773 |
|
|
859 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
860 |
// make sure 'rgnh' chunk exists |
// make sure 'rgnh' chunk exists |
861 |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
862 |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, 14); |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, Layer ? 14 : 12); |
863 |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
864 |
FormatOptionFlags = (SelfNonExclusive) |
FormatOptionFlags = (SelfNonExclusive) |
865 |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
866 |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
867 |
// update 'rgnh' chunk |
// update 'rgnh' chunk |
868 |
memccpy(&pData[0], &KeyRange, 2, 2); |
store16(&pData[0], KeyRange.low); |
869 |
memccpy(&pData[4], &VelocityRange, 2, 2); |
store16(&pData[2], KeyRange.high); |
870 |
memccpy(&pData[8], &FormatOptionFlags, 1, 2); |
store16(&pData[4], VelocityRange.low); |
871 |
memccpy(&pData[10], &KeyGroup, 1, 2); |
store16(&pData[6], VelocityRange.high); |
872 |
memccpy(&pData[12], &Layer, 1, 2); |
store16(&pData[8], FormatOptionFlags); |
873 |
|
store16(&pData[10], KeyGroup); |
874 |
|
if (rgnh->GetSize() >= 14) store16(&pData[12], Layer); |
875 |
|
|
876 |
// update chunks of base classes as well |
// update chunks of base classes as well (but skip Resource, |
877 |
Resource::UpdateChunks(); |
// as a rgn doesn't seem to have dlid and INFO chunks) |
878 |
Articulator::UpdateChunks(); |
Articulator::UpdateChunks(); |
879 |
Sampler::UpdateChunks(); |
Sampler::UpdateChunks(); |
880 |
|
|
904 |
if (index < 0) throw Exception("Could not save Region, could not find Region's sample"); |
if (index < 0) throw Exception("Could not save Region, could not find Region's sample"); |
905 |
WavePoolTableIndex = index; |
WavePoolTableIndex = index; |
906 |
// update 'wlnk' chunk |
// update 'wlnk' chunk |
907 |
memccpy(&pData[0], &WaveLinkOptionFlags, 1, 2); |
store16(&pData[0], WaveLinkOptionFlags); |
908 |
memccpy(&pData[2], &PhaseGroup, 1, 2); |
store16(&pData[2], PhaseGroup); |
909 |
memccpy(&pData[4], &Channel, 1, 4); |
store32(&pData[4], Channel); |
910 |
memccpy(&pData[8], &WavePoolTableIndex, 1, 4); |
store32(&pData[8], WavePoolTableIndex); |
911 |
} |
} |
912 |
|
|
913 |
|
|
990 |
return pNewRegion; |
return pNewRegion; |
991 |
} |
} |
992 |
|
|
993 |
|
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
994 |
|
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
995 |
|
lrgn->MoveSubChunk(pSrc->pCkRegion, pDst ? pDst->pCkRegion : 0); |
996 |
|
|
997 |
|
pRegions->remove(pSrc); |
998 |
|
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
999 |
|
pRegions->insert(iter, pSrc); |
1000 |
|
} |
1001 |
|
|
1002 |
void Instrument::DeleteRegion(Region* pRegion) { |
void Instrument::DeleteRegion(Region* pRegion) { |
1003 |
if (!pRegions) return; |
if (!pRegions) return; |
1004 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
1029 |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
1030 |
locale.bank = (IsDrum) ? locale.bank | DRUM_TYPE_MASK : locale.bank & (~DRUM_TYPE_MASK); |
locale.bank = (IsDrum) ? locale.bank | DRUM_TYPE_MASK : locale.bank & (~DRUM_TYPE_MASK); |
1031 |
MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); // just a sync, when we're at it |
MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); // just a sync, when we're at it |
1032 |
memccpy(&pData[0], &Regions, 1, 4); |
store32(&pData[0], Regions); |
1033 |
memccpy(&pData[4], &locale, 2, 4); |
store32(&pData[4], locale.bank); |
1034 |
|
store32(&pData[8], locale.instrument); |
1035 |
// update Region's chunks |
// update Region's chunks |
1036 |
if (!pRegions) return; |
if (!pRegions) return; |
1037 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
1116 |
Instruments = colh->ReadUint32(); |
Instruments = colh->ReadUint32(); |
1117 |
|
|
1118 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1119 |
if (!ptbl) throw DLS::Exception("Mandatory <ptbl> chunk not found."); |
if (!ptbl) { // pool table is missing - this is probably an ".art" file |
1120 |
WavePoolHeaderSize = ptbl->ReadUint32(); |
WavePoolCount = 0; |
1121 |
WavePoolCount = ptbl->ReadUint32(); |
pWavePoolTable = NULL; |
1122 |
pWavePoolTable = new uint32_t[WavePoolCount]; |
pWavePoolTableHi = NULL; |
1123 |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
WavePoolHeaderSize = 8; |
1124 |
ptbl->SetPos(WavePoolHeaderSize); |
b64BitWavePoolOffsets = false; |
1125 |
|
} else { |
1126 |
// Check for 64 bit offsets (used in gig v3 files) |
WavePoolHeaderSize = ptbl->ReadUint32(); |
1127 |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
WavePoolCount = ptbl->ReadUint32(); |
1128 |
if (b64BitWavePoolOffsets) { |
pWavePoolTable = new uint32_t[WavePoolCount]; |
1129 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
1130 |
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
ptbl->SetPos(WavePoolHeaderSize); |
1131 |
pWavePoolTable[i] = ptbl->ReadUint32(); |
|
1132 |
if (pWavePoolTable[i] & 0x80000000) |
// Check for 64 bit offsets (used in gig v3 files) |
1133 |
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
1134 |
|
if (b64BitWavePoolOffsets) { |
1135 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
1136 |
|
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
1137 |
|
pWavePoolTable[i] = ptbl->ReadUint32(); |
1138 |
|
if (pWavePoolTable[i] & 0x80000000) |
1139 |
|
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
1140 |
|
} |
1141 |
|
} else { // conventional 32 bit offsets |
1142 |
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
1143 |
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
1144 |
} |
} |
|
} else { // conventional 32 bit offsets |
|
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
|
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
|
1145 |
} |
} |
1146 |
|
|
1147 |
pSamples = NULL; |
pSamples = NULL; |
1172 |
if (pWavePoolTable) delete[] pWavePoolTable; |
if (pWavePoolTable) delete[] pWavePoolTable; |
1173 |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
1174 |
if (pVersion) delete pVersion; |
if (pVersion) delete pVersion; |
1175 |
|
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
1176 |
|
delete *i; |
1177 |
} |
} |
1178 |
|
|
1179 |
Sample* File::GetFirstSample() { |
Sample* File::GetFirstSample() { |
1327 |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1328 |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
1329 |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
1330 |
memccpy(pData, pVersion, 2, 4); |
store16(&pData[0], pVersion->minor); |
1331 |
|
store16(&pData[2], pVersion->major); |
1332 |
|
store16(&pData[4], pVersion->build); |
1333 |
|
store16(&pData[6], pVersion->release); |
1334 |
} |
} |
1335 |
|
|
1336 |
// update 'colh' chunk |
// update 'colh' chunk |
1338 |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1339 |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
1340 |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
1341 |
memccpy(pData, &Instruments, 1, 4); |
store32(pData, Instruments); |
1342 |
|
|
1343 |
// update instrument's chunks |
// update instrument's chunks |
1344 |
if (pInstruments) { |
if (pInstruments) { |
1358 |
ptbl->Resize(iPtblSize); |
ptbl->Resize(iPtblSize); |
1359 |
pData = (uint8_t*) ptbl->LoadChunkData(); |
pData = (uint8_t*) ptbl->LoadChunkData(); |
1360 |
WavePoolCount = iSamples; |
WavePoolCount = iSamples; |
1361 |
memccpy(&pData[4], &WavePoolCount, 1, 4); |
store32(&pData[4], WavePoolCount); |
1362 |
// we actually update the sample offsets in the pool table when we Save() |
// we actually update the sample offsets in the pool table when we Save() |
1363 |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
1364 |
|
|
1447 |
unsigned long ulOriginalPos = ptbl->GetPos(); |
unsigned long ulOriginalPos = ptbl->GetPos(); |
1448 |
// update headers |
// update headers |
1449 |
ptbl->SetPos(0); |
ptbl->SetPos(0); |
1450 |
ptbl->WriteUint32(&WavePoolHeaderSize); |
uint32_t tmp = WavePoolHeaderSize; |
1451 |
ptbl->WriteUint32(&WavePoolCount); |
ptbl->WriteUint32(&tmp); |
1452 |
|
tmp = WavePoolCount; |
1453 |
|
ptbl->WriteUint32(&tmp); |
1454 |
// update offsets |
// update offsets |
1455 |
ptbl->SetPos(WavePoolHeaderSize); |
ptbl->SetPos(WavePoolHeaderSize); |
1456 |
if (b64BitWavePoolOffsets) { |
if (b64BitWavePoolOffsets) { |
1457 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1458 |
ptbl->WriteUint32(&pWavePoolTableHi[i]); |
tmp = pWavePoolTableHi[i]; |
1459 |
ptbl->WriteUint32(&pWavePoolTable[i]); |
ptbl->WriteUint32(&tmp); |
1460 |
|
tmp = pWavePoolTable[i]; |
1461 |
|
ptbl->WriteUint32(&tmp); |
1462 |
} |
} |
1463 |
} else { // conventional 32 bit offsets |
} else { // conventional 32 bit offsets |
1464 |
for (int i = 0 ; i < WavePoolCount ; i++) |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1465 |
ptbl->WriteUint32(&pWavePoolTable[i]); |
tmp = pWavePoolTable[i]; |
1466 |
|
ptbl->WriteUint32(&tmp); |
1467 |
|
} |
1468 |
} |
} |
1469 |
// restore 'ptbl' chunk's original read/write position |
// restore 'ptbl' chunk's original read/write position |
1470 |
ptbl->SetPos(ulOriginalPos); |
ptbl->SetPos(ulOriginalPos); |