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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(); |
145 |
memccpy(&pData[0], &HeaderSize, 1, 2); |
memcpy(&pData[0], &HeaderSize, 2); |
146 |
memccpy(&pData[2], &Connections, 1, 2); |
memcpy(&pData[2], &Connections, 2); |
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); |
memcpy(&pData[HeaderSize + i * iEntrySize], &c.source, 2); |
150 |
memccpy(&pData[HeaderSize + i * iEntrySize + 2], &c.control, 1, 2); |
memcpy(&pData[HeaderSize + i * iEntrySize + 2], &c.control, 2); |
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memccpy(&pData[HeaderSize + i * iEntrySize + 4], &c.destination, 1, 2); |
memcpy(&pData[HeaderSize + i * iEntrySize + 4], &c.destination, 2); |
152 |
memccpy(&pData[HeaderSize + i * iEntrySize + 6], &c.transform, 1, 2); |
memcpy(&pData[HeaderSize + i * iEntrySize + 6], &c.transform, 2); |
153 |
memccpy(&pData[HeaderSize + i * iEntrySize + 8], &c.scale, 1, 4); |
memcpy(&pData[HeaderSize + i * iEntrySize + 8], &c.scale, 4); |
154 |
} |
} |
155 |
} |
} |
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/** @brief Constructor. |
/** @brief Constructor. |
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* |
* |
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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. |
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* |
* |
233 |
* @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 |
234 |
*/ |
*/ |
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Info::Info(RIFF::List* list) { |
Info::Info(RIFF::List* list) { |
236 |
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UseFixedLengthStrings = false; |
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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); |
254 |
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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} |
} |
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} |
} |
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} |
} |
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262 |
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Info::~Info() { |
263 |
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} |
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/** @brief Load given INFO field. |
/** @brief Load given INFO field. |
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* |
* |
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* Load INFO field from INFO chunk with chunk ID \a ChunkID from INFO |
* Load INFO field from INFO chunk with chunk ID \a ChunkID from INFO |
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); |
272 |
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); |
294 |
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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295 |
} |
} |
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297 |
/** @brief Update chunks with current info values. |
/** @brief Update chunks with current info values. |
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// 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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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"; |
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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); |
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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); |
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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); |
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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); |
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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 ? |
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(Software == "" ? defaultSoftware.length() : Software.length()) : 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); |
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SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String(""), UseFixedLengthStrings, 128); |
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} |
} |
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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); |
memcpy(&pData[0], &uiHeaderSize, 4); |
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 |
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: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
470 |
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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memcpy(&pData[4], &UnityNote, 2); |
473 |
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memcpy(&pData[6], &FineTune, 2); |
474 |
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memcpy(&pData[8], &Gain, 4); |
475 |
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memcpy(&pData[12], &SamplerOptions, 4); |
476 |
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memcpy(&pData[16], &SampleLoops, 4); |
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); |
memcpy(&pData[uiHeaderSize + i * 16], pSampleLoops + i, 4 * 4); |
481 |
} |
} |
482 |
} |
} |
483 |
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AverageBytesPerSecond = pCkFormat->ReadUint32(); |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
515 |
BlockAlign = pCkFormat->ReadUint16(); |
BlockAlign = pCkFormat->ReadUint16(); |
516 |
// PCM format specific |
// PCM format specific |
517 |
if (FormatTag == WAVE_FORMAT_PCM) { |
if (FormatTag == DLS_WAVE_FORMAT_PCM) { |
518 |
BitDepth = pCkFormat->ReadUint16(); |
BitDepth = pCkFormat->ReadUint16(); |
519 |
FrameSize = (FormatTag == WAVE_FORMAT_PCM) ? (BitDepth / 8) * Channels |
FrameSize = (BitDepth / 8) * Channels; |
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: 0; |
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520 |
} else { // unsupported sample data format |
} else { // unsupported sample data format |
521 |
BitDepth = 0; |
BitDepth = 0; |
522 |
FrameSize = 0; |
FrameSize = 0; |
523 |
} |
} |
524 |
} else { // 'fmt' chunk missing |
} else { // 'fmt' chunk missing |
525 |
FormatTag = WAVE_FORMAT_PCM; |
FormatTag = DLS_WAVE_FORMAT_PCM; |
526 |
BitDepth = 16; |
BitDepth = 16; |
527 |
Channels = 1; |
Channels = 1; |
528 |
SamplesPerSecond = 44100; |
SamplesPerSecond = 44100; |
530 |
FrameSize = (BitDepth / 8) * Channels; |
FrameSize = (BitDepth / 8) * Channels; |
531 |
BlockAlign = FrameSize; |
BlockAlign = FrameSize; |
532 |
} |
} |
533 |
SamplesTotal = (pCkData) ? (FormatTag == WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
534 |
: 0 |
: 0 |
535 |
: 0; |
: 0; |
536 |
} |
} |
537 |
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591 |
* the RIFF chunk which encapsulates the sample's wave data. The |
* the RIFF chunk which encapsulates the sample's wave data. The |
592 |
* returned value is dependant to the current FrameSize value. |
* returned value is dependant to the current FrameSize value. |
593 |
* |
* |
594 |
* @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 |
595 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
596 |
*/ |
*/ |
597 |
unsigned long Sample::GetSize() { |
unsigned long Sample::GetSize() { |
598 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; |
599 |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
600 |
} |
} |
601 |
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617 |
* calling File::Save() as this might exceed the current sample's |
* calling File::Save() as this might exceed the current sample's |
618 |
* boundary! |
* boundary! |
619 |
* |
* |
620 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
621 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
622 |
* other formats will fail! |
* other formats will fail! |
623 |
* |
* |
624 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
625 |
* greater than zero) |
* greater than zero) |
626 |
* @throws Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
627 |
* @throws Exception if \a iNewSize is less than 1 |
* @throws Exception if \a iNewSize is less than 1 |
628 |
* @see File::Save(), FrameSize, FormatTag |
* @see File::Save(), FrameSize, FormatTag |
629 |
*/ |
*/ |
630 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(int iNewSize) { |
631 |
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"); |
632 |
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"); |
633 |
const int iSizeInBytes = iNewSize * FrameSize; |
const int iSizeInBytes = iNewSize * FrameSize; |
634 |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
641 |
* 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 |
642 |
* the sample into RAM, thus for disk streaming. |
* the sample into RAM, thus for disk streaming. |
643 |
* |
* |
644 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
645 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to reposition the sample |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample |
646 |
* with other formats will fail! |
* with other formats will fail! |
647 |
* |
* |
648 |
* @param SampleCount number of sample points |
* @param SampleCount number of sample points |
649 |
* @param Whence to which relation \a SampleCount refers to |
* @param Whence to which relation \a SampleCount refers to |
650 |
* @returns new position within the sample, 0 if |
* @returns new position within the sample, 0 if |
651 |
* FormatTag != WAVE_FORMAT_PCM |
* FormatTag != DLS_WAVE_FORMAT_PCM |
652 |
* @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 |
653 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
654 |
*/ |
*/ |
655 |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
656 |
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 |
657 |
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"); |
658 |
unsigned long orderedBytes = SampleCount * FrameSize; |
unsigned long orderedBytes = SampleCount * FrameSize; |
659 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
671 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
672 |
*/ |
*/ |
673 |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
674 |
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 |
675 |
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? |
676 |
} |
} |
677 |
|
|
691 |
* @see LoadSampleData() |
* @see LoadSampleData() |
692 |
*/ |
*/ |
693 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
694 |
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 |
695 |
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"); |
696 |
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? |
697 |
} |
} |
700 |
* Apply sample and its settings to the respective RIFF chunks. You have |
* Apply sample and its settings to the respective RIFF chunks. You have |
701 |
* to call File::Save() to make changes persistent. |
* to call File::Save() to make changes persistent. |
702 |
* |
* |
703 |
* @throws Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
704 |
* was provided yet |
* was provided yet |
705 |
*/ |
*/ |
706 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks() { |
707 |
if (FormatTag != WAVE_FORMAT_PCM) |
if (FormatTag != DLS_WAVE_FORMAT_PCM) |
708 |
throw Exception("Could not save sample, only PCM format is supported"); |
throw Exception("Could not save sample, only PCM format is supported"); |
709 |
// 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 |
710 |
if (!pCkData) |
if (!pCkData) |
716 |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
717 |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
718 |
// update 'fmt' chunk |
// update 'fmt' chunk |
719 |
memccpy(&pData[0], &FormatTag, 1, 2); |
memcpy(&pData[0], &FormatTag, 2); |
720 |
memccpy(&pData[2], &Channels, 1, 2); |
memcpy(&pData[2], &Channels, 2); |
721 |
memccpy(&pData[4], &SamplesPerSecond, 1, 4); |
memcpy(&pData[4], &SamplesPerSecond, 4); |
722 |
memccpy(&pData[8], &AverageBytesPerSecond, 1, 4); |
memcpy(&pData[8], &AverageBytesPerSecond, 4); |
723 |
memccpy(&pData[12], &BlockAlign, 1, 2); |
memcpy(&pData[12], &BlockAlign, 2); |
724 |
memccpy(&pData[14], &BitDepth, 1, 2); // assuming PCM format |
memcpy(&pData[14], &BitDepth, 2); // assuming PCM format |
725 |
} |
} |
726 |
|
|
727 |
|
|
813 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
814 |
// make sure 'rgnh' chunk exists |
// make sure 'rgnh' chunk exists |
815 |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
816 |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, 14); |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, Layer ? 14 : 12); |
817 |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
818 |
FormatOptionFlags = (SelfNonExclusive) |
FormatOptionFlags = (SelfNonExclusive) |
819 |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
820 |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
821 |
// update 'rgnh' chunk |
// update 'rgnh' chunk |
822 |
memccpy(&pData[0], &KeyRange, 2, 2); |
memcpy(&pData[0], &KeyRange, 2 * 2); |
823 |
memccpy(&pData[4], &VelocityRange, 2, 2); |
memcpy(&pData[4], &VelocityRange, 2 * 2); |
824 |
memccpy(&pData[8], &FormatOptionFlags, 1, 2); |
memcpy(&pData[8], &FormatOptionFlags, 2); |
825 |
memccpy(&pData[10], &KeyGroup, 1, 2); |
memcpy(&pData[10], &KeyGroup, 2); |
826 |
memccpy(&pData[12], &Layer, 1, 2); |
if (rgnh->GetSize() >= 14) memcpy(&pData[12], &Layer, 2); |
827 |
|
|
828 |
// update chunks of base classes as well |
// update chunks of base classes as well (but skip Resource, |
829 |
Resource::UpdateChunks(); |
// as a rgn doesn't seem to have dlid and INFO chunks) |
830 |
Articulator::UpdateChunks(); |
Articulator::UpdateChunks(); |
831 |
Sampler::UpdateChunks(); |
Sampler::UpdateChunks(); |
832 |
|
|
856 |
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"); |
857 |
WavePoolTableIndex = index; |
WavePoolTableIndex = index; |
858 |
// update 'wlnk' chunk |
// update 'wlnk' chunk |
859 |
memccpy(&pData[0], &WaveLinkOptionFlags, 1, 2); |
memcpy(&pData[0], &WaveLinkOptionFlags, 2); |
860 |
memccpy(&pData[2], &PhaseGroup, 1, 2); |
memcpy(&pData[2], &PhaseGroup, 2); |
861 |
memccpy(&pData[4], &Channel, 1, 4); |
memcpy(&pData[4], &Channel, 4); |
862 |
memccpy(&pData[8], &WavePoolTableIndex, 1, 4); |
memcpy(&pData[8], &WavePoolTableIndex, 4); |
863 |
} |
} |
864 |
|
|
865 |
|
|
917 |
} |
} |
918 |
|
|
919 |
void Instrument::LoadRegions() { |
void Instrument::LoadRegions() { |
920 |
|
if (!pRegions) pRegions = new RegionList; |
921 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
922 |
if (!lrgn) throw DLS::Exception("DLS::Instrument doesn't seem to have any Region (mandatory chunks in <ins > chunk not found)"); |
if (lrgn) { |
923 |
uint32_t regionCkType = (lrgn->GetSubList(LIST_TYPE_RGN2)) ? LIST_TYPE_RGN2 : LIST_TYPE_RGN; // prefer regions level 2 |
uint32_t regionCkType = (lrgn->GetSubList(LIST_TYPE_RGN2)) ? LIST_TYPE_RGN2 : LIST_TYPE_RGN; // prefer regions level 2 |
924 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
925 |
while (rgn) { |
while (rgn) { |
926 |
if (rgn->GetListType() == regionCkType) { |
if (rgn->GetListType() == regionCkType) { |
927 |
if (!pRegions) pRegions = new RegionList; |
pRegions->push_back(new Region(this, rgn)); |
928 |
pRegions->push_back(new Region(this, rgn)); |
} |
929 |
|
rgn = lrgn->GetNextSubList(); |
930 |
} |
} |
|
rgn = lrgn->GetNextSubList(); |
|
931 |
} |
} |
932 |
} |
} |
933 |
|
|
934 |
Region* Instrument::AddRegion() { |
Region* Instrument::AddRegion() { |
935 |
if (!pRegions) pRegions = new RegionList; |
if (!pRegions) LoadRegions(); |
936 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
937 |
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
938 |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
939 |
Region* pNewRegion = new Region(this, rgn); |
Region* pNewRegion = new Region(this, rgn); |
940 |
pRegions->push_back(pNewRegion); |
pRegions->push_back(pNewRegion); |
941 |
|
Regions = pRegions->size(); |
942 |
return pNewRegion; |
return pNewRegion; |
943 |
} |
} |
944 |
|
|
945 |
|
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
946 |
|
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
947 |
|
lrgn->MoveSubChunk(pSrc->pCkRegion, pDst ? pDst->pCkRegion : 0); |
948 |
|
|
949 |
|
pRegions->remove(pSrc); |
950 |
|
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
951 |
|
pRegions->insert(iter, pSrc); |
952 |
|
} |
953 |
|
|
954 |
void Instrument::DeleteRegion(Region* pRegion) { |
void Instrument::DeleteRegion(Region* pRegion) { |
955 |
if (!pRegions) return; |
if (!pRegions) return; |
956 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
957 |
if (iter == pRegions->end()) return; |
if (iter == pRegions->end()) return; |
958 |
pRegions->erase(iter); |
pRegions->erase(iter); |
959 |
|
Regions = pRegions->size(); |
960 |
delete pRegion; |
delete pRegion; |
961 |
} |
} |
962 |
|
|
981 |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
982 |
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); |
983 |
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 |
984 |
memccpy(&pData[0], &Regions, 1, 4); |
memcpy(&pData[0], &Regions, 4); |
985 |
memccpy(&pData[4], &locale, 2, 4); |
memcpy(&pData[4], &locale, 2 * 4); |
986 |
// update Region's chunks |
// update Region's chunks |
987 |
if (!pRegions) return; |
if (!pRegions) return; |
988 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
1067 |
Instruments = colh->ReadUint32(); |
Instruments = colh->ReadUint32(); |
1068 |
|
|
1069 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1070 |
if (!ptbl) throw DLS::Exception("Mandatory <ptbl> chunk not found."); |
if (!ptbl) { // pool table is missing - this is probably an ".art" file |
1071 |
WavePoolHeaderSize = ptbl->ReadUint32(); |
WavePoolCount = 0; |
1072 |
WavePoolCount = ptbl->ReadUint32(); |
pWavePoolTable = NULL; |
1073 |
pWavePoolTable = new uint32_t[WavePoolCount]; |
pWavePoolTableHi = NULL; |
1074 |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
WavePoolHeaderSize = 8; |
1075 |
ptbl->SetPos(WavePoolHeaderSize); |
b64BitWavePoolOffsets = false; |
1076 |
|
} else { |
1077 |
// Check for 64 bit offsets (used in gig v3 files) |
WavePoolHeaderSize = ptbl->ReadUint32(); |
1078 |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
WavePoolCount = ptbl->ReadUint32(); |
1079 |
if (b64BitWavePoolOffsets) { |
pWavePoolTable = new uint32_t[WavePoolCount]; |
1080 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
1081 |
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
ptbl->SetPos(WavePoolHeaderSize); |
1082 |
pWavePoolTable[i] = ptbl->ReadUint32(); |
|
1083 |
if (pWavePoolTable[i] & 0x80000000) |
// Check for 64 bit offsets (used in gig v3 files) |
1084 |
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
1085 |
|
if (b64BitWavePoolOffsets) { |
1086 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
1087 |
|
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
1088 |
|
pWavePoolTable[i] = ptbl->ReadUint32(); |
1089 |
|
if (pWavePoolTable[i] & 0x80000000) |
1090 |
|
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
1091 |
|
} |
1092 |
|
} else { // conventional 32 bit offsets |
1093 |
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
1094 |
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
1095 |
} |
} |
|
} else { // conventional 32 bit offsets |
|
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
|
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
|
1096 |
} |
} |
1097 |
|
|
1098 |
pSamples = NULL; |
pSamples = NULL; |
1123 |
if (pWavePoolTable) delete[] pWavePoolTable; |
if (pWavePoolTable) delete[] pWavePoolTable; |
1124 |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
1125 |
if (pVersion) delete pVersion; |
if (pVersion) delete pVersion; |
1126 |
|
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
1127 |
|
delete *i; |
1128 |
} |
} |
1129 |
|
|
1130 |
Sample* File::GetFirstSample() { |
Sample* File::GetFirstSample() { |
1141 |
} |
} |
1142 |
|
|
1143 |
void File::LoadSamples() { |
void File::LoadSamples() { |
1144 |
|
if (!pSamples) pSamples = new SampleList; |
1145 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1146 |
if (wvpl) { |
if (wvpl) { |
1147 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
1148 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
1149 |
while (wave) { |
while (wave) { |
1150 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
if (!pSamples) pSamples = new SampleList; |
|
1151 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1152 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
1153 |
} |
} |
1161 |
RIFF::List* wave = dwpl->GetFirstSubList(); |
RIFF::List* wave = dwpl->GetFirstSubList(); |
1162 |
while (wave) { |
while (wave) { |
1163 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
if (!pSamples) pSamples = new SampleList; |
|
1164 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1165 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
1166 |
} |
} |
1182 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
1183 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1184 |
// create new Sample object and its respective 'wave' list chunk |
// create new Sample object and its respective 'wave' list chunk |
|
if (!pSamples) pSamples = new SampleList; |
|
1185 |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
1186 |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
1187 |
pSamples->push_back(pSample); |
pSamples->push_back(pSample); |
1217 |
} |
} |
1218 |
|
|
1219 |
void File::LoadInstruments() { |
void File::LoadInstruments() { |
1220 |
|
if (!pInstruments) pInstruments = new InstrumentList; |
1221 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1222 |
if (lstInstruments) { |
if (lstInstruments) { |
1223 |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
1224 |
while (lstInstr) { |
while (lstInstr) { |
1225 |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
|
if (!pInstruments) pInstruments = new InstrumentList; |
|
1226 |
pInstruments->push_back(new Instrument(this, lstInstr)); |
pInstruments->push_back(new Instrument(this, lstInstr)); |
1227 |
} |
} |
1228 |
lstInstr = lstInstruments->GetNextSubList(); |
lstInstr = lstInstruments->GetNextSubList(); |
1240 |
Instrument* File::AddInstrument() { |
Instrument* File::AddInstrument() { |
1241 |
if (!pInstruments) LoadInstruments(); |
if (!pInstruments) LoadInstruments(); |
1242 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
|
if (!pInstruments) pInstruments = new InstrumentList; |
|
1243 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1244 |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
1245 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
Instrument* pInstrument = new Instrument(this, lstInstr); |
1278 |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1279 |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
1280 |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
1281 |
memccpy(pData, pVersion, 2, 4); |
memcpy(pData, pVersion, 2 * 4); |
1282 |
} |
} |
1283 |
|
|
1284 |
// update 'colh' chunk |
// update 'colh' chunk |
1286 |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1287 |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
1288 |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
1289 |
memccpy(pData, &Instruments, 1, 4); |
memcpy(pData, &Instruments, 4); |
1290 |
|
|
1291 |
// update instrument's chunks |
// update instrument's chunks |
1292 |
if (pInstruments) { |
if (pInstruments) { |
1306 |
ptbl->Resize(iPtblSize); |
ptbl->Resize(iPtblSize); |
1307 |
pData = (uint8_t*) ptbl->LoadChunkData(); |
pData = (uint8_t*) ptbl->LoadChunkData(); |
1308 |
WavePoolCount = iSamples; |
WavePoolCount = iSamples; |
1309 |
memccpy(&pData[4], &WavePoolCount, 1, 4); |
memcpy(&pData[4], &WavePoolCount, 4); |
1310 |
// 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() |
1311 |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
1312 |
|
|