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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 * |
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* * |
* * |
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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 * |
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#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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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); |
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); |
151 |
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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* call File::Save() to make changes persistent. |
* call File::Save() to make changes persistent. |
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*/ |
*/ |
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void Articulator::UpdateChunks() { |
void Articulator::UpdateChunks() { |
215 |
ArticulationList::iterator iter = pArticulations->begin(); |
if (pArticulations) { |
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ArticulationList::iterator end = pArticulations->end(); |
ArticulationList::iterator iter = pArticulations->begin(); |
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for (; iter != end; ++iter) { |
ArticulationList::iterator end = pArticulations->end(); |
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(*iter)->UpdateChunks(); |
for (; iter != end; ++iter) { |
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(*iter)->UpdateChunks(); |
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} |
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} |
} |
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} |
} |
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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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* |
* |
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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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*/ |
*/ |
235 |
Info::Info(RIFF::List* list) { |
Info::Info(RIFF::List* list) { |
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UseFixedLengthStrings = false; |
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pResourceListChunk = list; |
pResourceListChunk = list; |
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if (list) { |
if (list) { |
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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); |
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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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Info::~Info() { |
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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 |
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*/ |
*/ |
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void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) { |
void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) { |
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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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* |
* |
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* Apply given info value to info chunk with ID \a ChunkID, which is a |
* Apply given info value to info chunk with ID \a ChunkID, which is a |
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* subchunk of INFO list chunk \a lstINFO. If the given chunk already |
* subchunk of INFO list chunk \a lstINFO. If the given chunk already |
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* exists, value \a s will be applied, otherwise if it doesn't exist yet |
* exists, value \a s will be applied. Otherwise if it doesn't exist yet |
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* and \a sDefault is not an empty string, such a chunk will be created |
* and either \a s or \a sDefault is not an empty string, such a chunk |
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* and \a sDefault will be applied. |
* will be created and either \a s or \a sDefault will be applied |
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* (depending on which one is not an empty string, if both are not an |
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* empty string \a s will be preferred). |
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* |
* |
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* @param ChunkID - 32 bit RIFF chunk ID of INFO subchunk |
* @param ChunkID - 32 bit RIFF chunk ID of INFO subchunk |
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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 |
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* @param bUseFixedLengthStrings - should a specific string size be forced in the chunk? |
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* @param size - wanted size of the INFO chunk. This is ignored if bUseFixedLengthStrings is false. |
291 |
*/ |
*/ |
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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 (sDefault != "") { // create chunk and use default value |
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ck = lstINFO->AddSubChunk(ChunkID, sDefault.size() + 1); |
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char* pData = (char*) ck->LoadChunkData(); |
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memcpy(pData, sDefault.c_str(), sDefault.size() + 1); |
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} |
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295 |
} |
} |
296 |
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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(pNowBroken->tm_year) + "-" + |
uint32_t resourceType = pResourceListChunk->GetListType(); |
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ToString(pNowBroken->tm_mon) + "-" + |
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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, |
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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); |
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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); |
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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()+1 : Software.length()+1) : 128); |
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SaveString(CHUNK_ID_IMED, lstINFO, Medium, String(""), UseFixedLengthStrings, 128); |
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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); |
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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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} |
} |
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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); |
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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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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 |
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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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484 |
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/** |
485 |
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* Adds a new sample loop with the provided loop definition. |
486 |
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* |
487 |
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* @param - points to a loop definition that is to be copied |
488 |
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*/ |
489 |
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void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) { |
490 |
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sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1]; |
491 |
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// copy old loops array |
492 |
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for (int i = 0; i < SampleLoops; i++) { |
493 |
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pNewLoops[i] = pSampleLoops[i]; |
494 |
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} |
495 |
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// add the new loop |
496 |
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pNewLoops[SampleLoops] = *pLoopDef; |
497 |
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// auto correct size field |
498 |
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pNewLoops[SampleLoops].Size = sizeof(DLS::sample_loop_t); |
499 |
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// free the old array and update the member variables |
500 |
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if (SampleLoops) delete[] pSampleLoops; |
501 |
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pSampleLoops = pNewLoops; |
502 |
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SampleLoops++; |
503 |
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} |
504 |
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505 |
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/** |
506 |
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* Deletes an existing sample loop. |
507 |
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* |
508 |
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* @param pLoopDef - pointer to existing loop definition |
509 |
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* @throws Exception - if given loop definition does not exist |
510 |
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*/ |
511 |
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void Sampler::DeleteSampleLoop(sample_loop_t* pLoopDef) { |
512 |
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sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops - 1]; |
513 |
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// copy old loops array (skipping given loop) |
514 |
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for (int i = 0, o = 0; i < SampleLoops; i++) { |
515 |
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if (&pSampleLoops[i] == pLoopDef) continue; |
516 |
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if (o == SampleLoops - 1) |
517 |
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throw Exception("Could not delete Sample Loop, because it does not exist"); |
518 |
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pNewLoops[o] = pSampleLoops[i]; |
519 |
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o++; |
520 |
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} |
521 |
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// free the old array and update the member variables |
522 |
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if (SampleLoops) delete[] pSampleLoops; |
523 |
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pSampleLoops = pNewLoops; |
524 |
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SampleLoops--; |
525 |
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} |
526 |
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527 |
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528 |
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529 |
// *************** Sample *************** |
// *************** Sample *************** |
557 |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
558 |
BlockAlign = pCkFormat->ReadUint16(); |
BlockAlign = pCkFormat->ReadUint16(); |
559 |
// PCM format specific |
// PCM format specific |
560 |
if (FormatTag == WAVE_FORMAT_PCM) { |
if (FormatTag == DLS_WAVE_FORMAT_PCM) { |
561 |
BitDepth = pCkFormat->ReadUint16(); |
BitDepth = pCkFormat->ReadUint16(); |
562 |
FrameSize = (FormatTag == WAVE_FORMAT_PCM) ? (BitDepth / 8) * Channels |
FrameSize = (BitDepth / 8) * Channels; |
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: 0; |
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563 |
} else { // unsupported sample data format |
} else { // unsupported sample data format |
564 |
BitDepth = 0; |
BitDepth = 0; |
565 |
FrameSize = 0; |
FrameSize = 0; |
566 |
} |
} |
567 |
} else { // 'fmt' chunk missing |
} else { // 'fmt' chunk missing |
568 |
FormatTag = WAVE_FORMAT_PCM; |
FormatTag = DLS_WAVE_FORMAT_PCM; |
569 |
BitDepth = 16; |
BitDepth = 16; |
570 |
Channels = 1; |
Channels = 1; |
571 |
SamplesPerSecond = 44100; |
SamplesPerSecond = 44100; |
573 |
FrameSize = (BitDepth / 8) * Channels; |
FrameSize = (BitDepth / 8) * Channels; |
574 |
BlockAlign = FrameSize; |
BlockAlign = FrameSize; |
575 |
} |
} |
576 |
SamplesTotal = (pCkData) ? (FormatTag == WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
577 |
: 0 |
: 0 |
578 |
: 0; |
: 0; |
579 |
} |
} |
580 |
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634 |
* the RIFF chunk which encapsulates the sample's wave data. The |
* the RIFF chunk which encapsulates the sample's wave data. The |
635 |
* returned value is dependant to the current FrameSize value. |
* returned value is dependant to the current FrameSize value. |
636 |
* |
* |
637 |
* @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 |
638 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
639 |
*/ |
*/ |
640 |
unsigned long Sample::GetSize() { |
unsigned long Sample::GetSize() { |
641 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; |
642 |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
643 |
} |
} |
644 |
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660 |
* calling File::Save() as this might exceed the current sample's |
* calling File::Save() as this might exceed the current sample's |
661 |
* boundary! |
* boundary! |
662 |
* |
* |
663 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
664 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
665 |
* other formats will fail! |
* other formats will fail! |
666 |
* |
* |
667 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
668 |
* greater than zero) |
* greater than zero) |
669 |
* @throws Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
670 |
* @throws Exception if \a iNewSize is less than 1 |
* @throws Exception if \a iNewSize is less than 1 |
671 |
* @see File::Save(), FrameSize, FormatTag |
* @see File::Save(), FrameSize, FormatTag |
672 |
*/ |
*/ |
673 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(int iNewSize) { |
674 |
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"); |
675 |
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"); |
676 |
const int iSizeInBytes = iNewSize * FrameSize; |
const int iSizeInBytes = iNewSize * FrameSize; |
677 |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
684 |
* 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 |
685 |
* the sample into RAM, thus for disk streaming. |
* the sample into RAM, thus for disk streaming. |
686 |
* |
* |
687 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
688 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to reposition the sample |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample |
689 |
* with other formats will fail! |
* with other formats will fail! |
690 |
* |
* |
691 |
* @param SampleCount number of sample points |
* @param SampleCount number of sample points |
692 |
* @param Whence to which relation \a SampleCount refers to |
* @param Whence to which relation \a SampleCount refers to |
693 |
* @returns new position within the sample, 0 if |
* @returns new position within the sample, 0 if |
694 |
* FormatTag != WAVE_FORMAT_PCM |
* FormatTag != DLS_WAVE_FORMAT_PCM |
695 |
* @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 |
696 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
697 |
*/ |
*/ |
698 |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
699 |
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 |
700 |
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"); |
701 |
unsigned long orderedBytes = SampleCount * FrameSize; |
unsigned long orderedBytes = SampleCount * FrameSize; |
702 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
714 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
715 |
*/ |
*/ |
716 |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
717 |
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 |
718 |
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? |
719 |
} |
} |
720 |
|
|
734 |
* @see LoadSampleData() |
* @see LoadSampleData() |
735 |
*/ |
*/ |
736 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
737 |
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 |
738 |
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"); |
739 |
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? |
740 |
} |
} |
743 |
* Apply sample and its settings to the respective RIFF chunks. You have |
* Apply sample and its settings to the respective RIFF chunks. You have |
744 |
* to call File::Save() to make changes persistent. |
* to call File::Save() to make changes persistent. |
745 |
* |
* |
746 |
* @throws Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
747 |
* was provided yet |
* was provided yet |
748 |
*/ |
*/ |
749 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks() { |
750 |
if (FormatTag != WAVE_FORMAT_PCM) |
if (FormatTag != DLS_WAVE_FORMAT_PCM) |
751 |
throw Exception("Could not save sample, only PCM format is supported"); |
throw Exception("Could not save sample, only PCM format is supported"); |
752 |
// 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 |
753 |
if (!pCkData) |
if (!pCkData) |
759 |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
760 |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
761 |
// update 'fmt' chunk |
// update 'fmt' chunk |
762 |
memccpy(&pData[0], &FormatTag, 1, 2); |
memcpy(&pData[0], &FormatTag, 2); |
763 |
memccpy(&pData[2], &Channels, 1, 2); |
memcpy(&pData[2], &Channels, 2); |
764 |
memccpy(&pData[4], &SamplesPerSecond, 1, 4); |
memcpy(&pData[4], &SamplesPerSecond, 4); |
765 |
memccpy(&pData[8], &AverageBytesPerSecond, 1, 4); |
memcpy(&pData[8], &AverageBytesPerSecond, 4); |
766 |
memccpy(&pData[12], &BlockAlign, 1, 2); |
memcpy(&pData[12], &BlockAlign, 2); |
767 |
memccpy(&pData[14], &BitDepth, 1, 2); // assuming PCM format |
memcpy(&pData[14], &BitDepth, 2); // assuming PCM format |
768 |
} |
} |
769 |
|
|
770 |
|
|
856 |
void Region::UpdateChunks() { |
void Region::UpdateChunks() { |
857 |
// make sure 'rgnh' chunk exists |
// make sure 'rgnh' chunk exists |
858 |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
859 |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, 14); |
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, Layer ? 14 : 12); |
860 |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
861 |
FormatOptionFlags = (SelfNonExclusive) |
FormatOptionFlags = (SelfNonExclusive) |
862 |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
863 |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
864 |
// update 'rgnh' chunk |
// update 'rgnh' chunk |
865 |
memccpy(&pData[0], &KeyRange, 2, 2); |
memcpy(&pData[0], &KeyRange, 2 * 2); |
866 |
memccpy(&pData[4], &VelocityRange, 2, 2); |
memcpy(&pData[4], &VelocityRange, 2 * 2); |
867 |
memccpy(&pData[8], &FormatOptionFlags, 1, 2); |
memcpy(&pData[8], &FormatOptionFlags, 2); |
868 |
memccpy(&pData[10], &KeyGroup, 1, 2); |
memcpy(&pData[10], &KeyGroup, 2); |
869 |
memccpy(&pData[12], &Layer, 1, 2); |
if (rgnh->GetSize() >= 14) memcpy(&pData[12], &Layer, 2); |
870 |
|
|
871 |
// update chunks of base classes as well |
// update chunks of base classes as well (but skip Resource, |
872 |
Resource::UpdateChunks(); |
// as a rgn doesn't seem to have dlid and INFO chunks) |
873 |
Articulator::UpdateChunks(); |
Articulator::UpdateChunks(); |
874 |
Sampler::UpdateChunks(); |
Sampler::UpdateChunks(); |
875 |
|
|
886 |
// get sample's wave pool table index |
// get sample's wave pool table index |
887 |
int index = -1; |
int index = -1; |
888 |
File* pFile = (File*) GetParent()->GetParent(); |
File* pFile = (File*) GetParent()->GetParent(); |
889 |
File::SampleList::iterator iter = pFile->pSamples->begin(); |
if (pFile->pSamples) { |
890 |
File::SampleList::iterator end = pFile->pSamples->end(); |
File::SampleList::iterator iter = pFile->pSamples->begin(); |
891 |
for (int i = 0; iter != end; ++iter, i++) { |
File::SampleList::iterator end = pFile->pSamples->end(); |
892 |
if (*iter == pSample) { |
for (int i = 0; iter != end; ++iter, i++) { |
893 |
index = i; |
if (*iter == pSample) { |
894 |
break; |
index = i; |
895 |
|
break; |
896 |
|
} |
897 |
} |
} |
898 |
} |
} |
899 |
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"); |
900 |
WavePoolTableIndex = index; |
WavePoolTableIndex = index; |
901 |
// update 'wlnk' chunk |
// update 'wlnk' chunk |
902 |
memccpy(&pData[0], &WaveLinkOptionFlags, 1, 2); |
memcpy(&pData[0], &WaveLinkOptionFlags, 2); |
903 |
memccpy(&pData[2], &PhaseGroup, 1, 2); |
memcpy(&pData[2], &PhaseGroup, 2); |
904 |
memccpy(&pData[4], &Channel, 1, 4); |
memcpy(&pData[4], &Channel, 4); |
905 |
memccpy(&pData[8], &WavePoolTableIndex, 1, 4); |
memcpy(&pData[8], &WavePoolTableIndex, 4); |
906 |
} |
} |
907 |
|
|
908 |
|
|
960 |
} |
} |
961 |
|
|
962 |
void Instrument::LoadRegions() { |
void Instrument::LoadRegions() { |
963 |
|
if (!pRegions) pRegions = new RegionList; |
964 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
965 |
if (!lrgn) throw DLS::Exception("Mandatory chunks in <ins > chunk not found."); |
if (lrgn) { |
966 |
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 |
967 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
968 |
while (rgn) { |
while (rgn) { |
969 |
if (rgn->GetListType() == regionCkType) { |
if (rgn->GetListType() == regionCkType) { |
970 |
if (!pRegions) pRegions = new RegionList; |
pRegions->push_back(new Region(this, rgn)); |
971 |
pRegions->push_back(new Region(this, rgn)); |
} |
972 |
|
rgn = lrgn->GetNextSubList(); |
973 |
} |
} |
|
rgn = lrgn->GetNextSubList(); |
|
974 |
} |
} |
975 |
} |
} |
976 |
|
|
977 |
Region* Instrument::AddRegion() { |
Region* Instrument::AddRegion() { |
978 |
if (!pRegions) pRegions = new RegionList; |
if (!pRegions) LoadRegions(); |
979 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
980 |
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
981 |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
982 |
Region* pNewRegion = new Region(this, rgn); |
Region* pNewRegion = new Region(this, rgn); |
983 |
pRegions->push_back(pNewRegion); |
pRegions->push_back(pNewRegion); |
984 |
|
Regions = pRegions->size(); |
985 |
return pNewRegion; |
return pNewRegion; |
986 |
} |
} |
987 |
|
|
988 |
|
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
989 |
|
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
990 |
|
lrgn->MoveSubChunk(pSrc->pCkRegion, pDst ? pDst->pCkRegion : 0); |
991 |
|
|
992 |
|
pRegions->remove(pSrc); |
993 |
|
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
994 |
|
pRegions->insert(iter, pSrc); |
995 |
|
} |
996 |
|
|
997 |
void Instrument::DeleteRegion(Region* pRegion) { |
void Instrument::DeleteRegion(Region* pRegion) { |
998 |
if (!pRegions) return; |
if (!pRegions) return; |
999 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
1000 |
if (iter == pRegions->end()) return; |
if (iter == pRegions->end()) return; |
1001 |
pRegions->erase(iter); |
pRegions->erase(iter); |
1002 |
|
Regions = pRegions->size(); |
1003 |
delete pRegion; |
delete pRegion; |
1004 |
} |
} |
1005 |
|
|
1018 |
if (!insh) insh = pCkInstrument->AddSubChunk(CHUNK_ID_INSH, 12); |
if (!insh) insh = pCkInstrument->AddSubChunk(CHUNK_ID_INSH, 12); |
1019 |
uint8_t* pData = (uint8_t*) insh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) insh->LoadChunkData(); |
1020 |
// update 'insh' chunk |
// update 'insh' chunk |
1021 |
Regions = pRegions->size(); |
Regions = (pRegions) ? pRegions->size() : 0; |
1022 |
midi_locale_t locale; |
midi_locale_t locale; |
1023 |
locale.instrument = MIDIProgram; |
locale.instrument = MIDIProgram; |
1024 |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
1025 |
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); |
1026 |
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 |
1027 |
memccpy(&pData[0], &Regions, 1, 4); |
memcpy(&pData[0], &Regions, 4); |
1028 |
memccpy(&pData[4], &locale, 2, 4); |
memcpy(&pData[4], &locale, 2 * 4); |
1029 |
// update Region's chunks |
// update Region's chunks |
1030 |
|
if (!pRegions) return; |
1031 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
1032 |
RegionList::iterator end = pRegions->end(); |
RegionList::iterator end = pRegions->end(); |
1033 |
for (; iter != end; ++iter) { |
for (; iter != end; ++iter) { |
1110 |
Instruments = colh->ReadUint32(); |
Instruments = colh->ReadUint32(); |
1111 |
|
|
1112 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1113 |
if (!ptbl) throw DLS::Exception("Mandatory <ptbl> chunk not found."); |
if (!ptbl) { // pool table is missing - this is probably an ".art" file |
1114 |
WavePoolHeaderSize = ptbl->ReadUint32(); |
WavePoolCount = 0; |
1115 |
WavePoolCount = ptbl->ReadUint32(); |
pWavePoolTable = NULL; |
1116 |
pWavePoolTable = new uint32_t[WavePoolCount]; |
pWavePoolTableHi = NULL; |
1117 |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
WavePoolHeaderSize = 8; |
1118 |
ptbl->SetPos(WavePoolHeaderSize); |
b64BitWavePoolOffsets = false; |
1119 |
|
} else { |
1120 |
// Check for 64 bit offsets (used in gig v3 files) |
WavePoolHeaderSize = ptbl->ReadUint32(); |
1121 |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
WavePoolCount = ptbl->ReadUint32(); |
1122 |
if (b64BitWavePoolOffsets) { |
pWavePoolTable = new uint32_t[WavePoolCount]; |
1123 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
1124 |
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
ptbl->SetPos(WavePoolHeaderSize); |
1125 |
pWavePoolTable[i] = ptbl->ReadUint32(); |
|
1126 |
if (pWavePoolTable[i] & 0x80000000) |
// Check for 64 bit offsets (used in gig v3 files) |
1127 |
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
1128 |
|
if (b64BitWavePoolOffsets) { |
1129 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
1130 |
|
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
1131 |
|
pWavePoolTable[i] = ptbl->ReadUint32(); |
1132 |
|
if (pWavePoolTable[i] & 0x80000000) |
1133 |
|
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
1134 |
|
} |
1135 |
|
} else { // conventional 32 bit offsets |
1136 |
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
1137 |
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
1138 |
} |
} |
|
} else { // conventional 32 bit offsets |
|
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
|
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
|
1139 |
} |
} |
1140 |
|
|
1141 |
pSamples = NULL; |
pSamples = NULL; |
1166 |
if (pWavePoolTable) delete[] pWavePoolTable; |
if (pWavePoolTable) delete[] pWavePoolTable; |
1167 |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
1168 |
if (pVersion) delete pVersion; |
if (pVersion) delete pVersion; |
1169 |
|
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
1170 |
|
delete *i; |
1171 |
} |
} |
1172 |
|
|
1173 |
Sample* File::GetFirstSample() { |
Sample* File::GetFirstSample() { |
1184 |
} |
} |
1185 |
|
|
1186 |
void File::LoadSamples() { |
void File::LoadSamples() { |
1187 |
|
if (!pSamples) pSamples = new SampleList; |
1188 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1189 |
if (wvpl) { |
if (wvpl) { |
1190 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
1191 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
1192 |
while (wave) { |
while (wave) { |
1193 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
if (!pSamples) pSamples = new SampleList; |
|
1194 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1195 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
1196 |
} |
} |
1204 |
RIFF::List* wave = dwpl->GetFirstSubList(); |
RIFF::List* wave = dwpl->GetFirstSubList(); |
1205 |
while (wave) { |
while (wave) { |
1206 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
if (!pSamples) pSamples = new SampleList; |
|
1207 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1208 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
1209 |
} |
} |
1221 |
* @returns pointer to new Sample object |
* @returns pointer to new Sample object |
1222 |
*/ |
*/ |
1223 |
Sample* File::AddSample() { |
Sample* File::AddSample() { |
1224 |
|
if (!pSamples) LoadSamples(); |
1225 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
1226 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1227 |
// 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; |
|
1228 |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
1229 |
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*/); |
1230 |
pSamples->push_back(pSample); |
pSamples->push_back(pSample); |
1260 |
} |
} |
1261 |
|
|
1262 |
void File::LoadInstruments() { |
void File::LoadInstruments() { |
1263 |
|
if (!pInstruments) pInstruments = new InstrumentList; |
1264 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1265 |
if (lstInstruments) { |
if (lstInstruments) { |
1266 |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
1267 |
while (lstInstr) { |
while (lstInstr) { |
1268 |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
|
if (!pInstruments) pInstruments = new InstrumentList; |
|
1269 |
pInstruments->push_back(new Instrument(this, lstInstr)); |
pInstruments->push_back(new Instrument(this, lstInstr)); |
1270 |
} |
} |
1271 |
lstInstr = lstInstruments->GetNextSubList(); |
lstInstr = lstInstruments->GetNextSubList(); |
1281 |
* @returns pointer to new Instrument object |
* @returns pointer to new Instrument object |
1282 |
*/ |
*/ |
1283 |
Instrument* File::AddInstrument() { |
Instrument* File::AddInstrument() { |
1284 |
|
if (!pInstruments) LoadInstruments(); |
1285 |
__ensureMandatoryChunksExist(); |
__ensureMandatoryChunksExist(); |
|
if (!pInstruments) pInstruments = new InstrumentList; |
|
1286 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1287 |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
1288 |
Instrument* pInstrument = new Instrument(this, lstInstr); |
Instrument* pInstrument = new Instrument(this, lstInstr); |
1290 |
return pInstrument; |
return pInstrument; |
1291 |
} |
} |
1292 |
|
|
1293 |
/** @brief Delete a instrument. |
/** @brief Delete an instrument. |
1294 |
* |
* |
1295 |
* This will delete the given Instrument object from the DLS file. You |
* This will delete the given Instrument object from the DLS file. You |
1296 |
* have to call Save() to make this persistent to the file. |
* have to call Save() to make this persistent to the file. |
1321 |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1322 |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
1323 |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
1324 |
memccpy(pData, pVersion, 2, 4); |
memcpy(pData, pVersion, 2 * 4); |
1325 |
} |
} |
1326 |
|
|
1327 |
// update 'colh' chunk |
// update 'colh' chunk |
1329 |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1330 |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
1331 |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
1332 |
memccpy(pData, &Instruments, 1, 4); |
memcpy(pData, &Instruments, 4); |
1333 |
|
|
1334 |
// update instrument's chunks |
// update instrument's chunks |
1335 |
if (pInstruments) { |
if (pInstruments) { |
1349 |
ptbl->Resize(iPtblSize); |
ptbl->Resize(iPtblSize); |
1350 |
pData = (uint8_t*) ptbl->LoadChunkData(); |
pData = (uint8_t*) ptbl->LoadChunkData(); |
1351 |
WavePoolCount = iSamples; |
WavePoolCount = iSamples; |
1352 |
memccpy(&pData[4], &WavePoolCount, 1, 4); |
memcpy(&pData[4], &WavePoolCount, 4); |
1353 |
// 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() |
1354 |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
1355 |
|
|
1420 |
/** |
/** |
1421 |
* Updates (persistently) the wave pool table with offsets to all |
* Updates (persistently) the wave pool table with offsets to all |
1422 |
* currently available samples. <b>Caution:</b> this method assumes the |
* currently available samples. <b>Caution:</b> this method assumes the |
1423 |
* 'ptbl' chunk to be already of the correct size, so usually this |
* 'ptbl' chunk to be already of the correct size and the file to be |
1424 |
* method is only called after a Save() call. |
* writable, so usually this method is only called after a Save() call. |
1425 |
* |
* |
1426 |
* @throws Exception - if 'ptbl' chunk is too small (should only occur |
* @throws Exception - if 'ptbl' chunk is too small (should only occur |
1427 |
* if there's a bug) |
* if there's a bug) |
1434 |
WavePoolCount = (pSamples) ? pSamples->size() : 0; |
WavePoolCount = (pSamples) ? pSamples->size() : 0; |
1435 |
const unsigned long ulRequiredSize = WavePoolHeaderSize + iOffsetSize * WavePoolCount; |
const unsigned long ulRequiredSize = WavePoolHeaderSize + iOffsetSize * WavePoolCount; |
1436 |
if (ptbl->GetSize() < ulRequiredSize) throw Exception("Fatal error, 'ptbl' chunk too small"); |
if (ptbl->GetSize() < ulRequiredSize) throw Exception("Fatal error, 'ptbl' chunk too small"); |
1437 |
uint8_t* pData = (uint8_t*) ptbl->LoadChunkData(); |
// save the 'ptbl' chunk's current read/write position |
1438 |
|
unsigned long ulOriginalPos = ptbl->GetPos(); |
1439 |
// update headers |
// update headers |
1440 |
memccpy(&pData[0], &WavePoolHeaderSize, 1, 4); |
ptbl->SetPos(0); |
1441 |
memccpy(&pData[4], &WavePoolCount, 1, 4); |
ptbl->WriteUint32(&WavePoolHeaderSize); |
1442 |
|
ptbl->WriteUint32(&WavePoolCount); |
1443 |
// update offsets |
// update offsets |
1444 |
|
ptbl->SetPos(WavePoolHeaderSize); |
1445 |
if (b64BitWavePoolOffsets) { |
if (b64BitWavePoolOffsets) { |
1446 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1447 |
memccpy(&pData[WavePoolHeaderSize + i*iOffsetSize], &pWavePoolTableHi[i], 1, 4); |
ptbl->WriteUint32(&pWavePoolTableHi[i]); |
1448 |
memccpy(&pData[WavePoolHeaderSize + i*iOffsetSize], &pWavePoolTable[i], 1, 4); |
ptbl->WriteUint32(&pWavePoolTable[i]); |
1449 |
} |
} |
1450 |
} else { // conventional 32 bit offsets |
} else { // conventional 32 bit offsets |
1451 |
for (int i = 0 ; i < WavePoolCount ; i++) |
for (int i = 0 ; i < WavePoolCount ; i++) |
1452 |
memccpy(&pData[WavePoolHeaderSize + i*iOffsetSize], &pWavePoolTable[i], 1, 4); |
ptbl->WriteUint32(&pWavePoolTable[i]); |
1453 |
} |
} |
1454 |
|
// restore 'ptbl' chunk's original read/write position |
1455 |
|
ptbl->SetPos(ulOriginalPos); |
1456 |
} |
} |
1457 |
|
|
1458 |
/** |
/** |
1475 |
SampleList::iterator iter = pSamples->begin(); |
SampleList::iterator iter = pSamples->begin(); |
1476 |
SampleList::iterator end = pSamples->end(); |
SampleList::iterator end = pSamples->end(); |
1477 |
for (int i = 0 ; iter != end ; ++iter, i++) { |
for (int i = 0 ; iter != end ; ++iter, i++) { |
1478 |
uint64_t _64BitOffset = wvplFileOffset - (*iter)->pWaveList->GetFilePos() - LIST_HEADER_SIZE; |
uint64_t _64BitOffset = (*iter)->pWaveList->GetFilePos() - wvplFileOffset - LIST_HEADER_SIZE; |
1479 |
(*iter)->ulWavePoolOffset = _64BitOffset; |
(*iter)->ulWavePoolOffset = _64BitOffset; |
1480 |
pWavePoolTableHi[i] = (uint32_t) (_64BitOffset >> 32); |
pWavePoolTableHi[i] = (uint32_t) (_64BitOffset >> 32); |
1481 |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
1484 |
SampleList::iterator iter = pSamples->begin(); |
SampleList::iterator iter = pSamples->begin(); |
1485 |
SampleList::iterator end = pSamples->end(); |
SampleList::iterator end = pSamples->end(); |
1486 |
for (int i = 0 ; iter != end ; ++iter, i++) { |
for (int i = 0 ; iter != end ; ++iter, i++) { |
1487 |
uint64_t _64BitOffset = wvplFileOffset - (*iter)->pWaveList->GetFilePos() - LIST_HEADER_SIZE; |
uint64_t _64BitOffset = (*iter)->pWaveList->GetFilePos() - wvplFileOffset - LIST_HEADER_SIZE; |
1488 |
(*iter)->ulWavePoolOffset = _64BitOffset; |
(*iter)->ulWavePoolOffset = _64BitOffset; |
1489 |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
1490 |
} |
} |