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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); |
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} |
} |
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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* |
* |
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* @param list - pointer to a list chunk which contains a INFO list chunk |
* @param list - pointer to a list chunk which contains an INFO list chunk |
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*/ |
*/ |
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Info::Info(RIFF::List* list) { |
Info::Info(RIFF::List* list) { |
236 |
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UseFixedLengthStrings = false; |
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pResourceListChunk = list; |
pResourceListChunk = list; |
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if (list) { |
if (list) { |
239 |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
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LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
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LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
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LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned); |
LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned); |
257 |
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LoadString(CHUNK_ID_ISBJ, lstINFO, Subject); |
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} |
} |
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} |
} |
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} |
} |
269 |
*/ |
*/ |
270 |
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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const char* str = (char*)ck->LoadChunkData(); |
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int size = ck->GetSize(); |
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int len; |
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for (len = 0 ; len < size ; len++) |
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if (str[len] == '\0') break; |
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s.assign(str, len); |
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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 |
*/ |
*/ |
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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); |
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if (ck) { // if chunk exists already, use 's' as value |
::SaveString(ChunkID, ck, lstINFO, s, sDefault, bUseFixedLengthStrings, size); // function from helper.h |
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ck->Resize(s.size() + 1); |
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char* pData = (char*) ck->LoadChunkData(); |
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memcpy(pData, s.c_str(), s.size() + 1); |
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} else if (s != "" || sDefault != "") { // create chunk |
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const String& sToSave = (s != "") ? s : sDefault; |
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ck = lstINFO->AddSubChunk(ChunkID, sToSave.size() + 1); |
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char* pData = (char*) ck->LoadChunkData(); |
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memcpy(pData, sToSave.c_str(), sToSave.size() + 1); |
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} |
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} |
} |
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297 |
/** @brief Update chunks with current info values. |
/** @brief Update chunks with current info values. |
304 |
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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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307 |
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// assemble default values in case the respective chunk is missing yet |
String defaultName = ""; |
309 |
String defaultName = "NONAME"; |
String defaultCreationDate = ""; |
310 |
// get current date |
String defaultSoftware = ""; |
311 |
time_t now = time(NULL); |
String defaultComments = ""; |
312 |
tm* pNowBroken = localtime(&now); |
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313 |
String defaultCreationDate = ToString(1900 + pNowBroken->tm_year) + "-" + |
uint32_t resourceType = pResourceListChunk->GetListType(); |
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ToString(pNowBroken->tm_mon + 1) + "-" + |
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315 |
ToString(pNowBroken->tm_mday); |
if (!lstINFO) { |
316 |
String defaultSoftware = libraryName() + " " + libraryVersion(); |
lstINFO = pResourceListChunk->AddSubList(LIST_TYPE_INFO); |
317 |
String defaultComments = "Created with " + libraryName() + " " + libraryVersion(); |
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318 |
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// assemble default values |
319 |
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defaultName = "NONAME"; |
320 |
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321 |
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if (resourceType == RIFF_TYPE_DLS) { |
322 |
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// get current date |
323 |
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time_t now = time(NULL); |
324 |
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tm* pNowBroken = localtime(&now); |
325 |
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char buf[11]; |
326 |
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strftime(buf, 11, "%F", pNowBroken); |
327 |
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defaultCreationDate = buf; |
328 |
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329 |
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defaultComments = "Created with " + libraryName() + " " + libraryVersion(); |
330 |
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} |
331 |
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if (resourceType == RIFF_TYPE_DLS || resourceType == LIST_TYPE_INS) |
332 |
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{ |
333 |
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defaultSoftware = libraryName() + " " + libraryVersion(); |
334 |
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} |
335 |
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} |
336 |
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337 |
// save values |
// save values |
338 |
SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName); |
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339 |
SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String("")); |
// (the string size values are for gig files; they are only |
340 |
SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate); |
// used if UseFixedLengthStrings is set to true) |
341 |
SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments); |
SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName, UseFixedLengthStrings, |
342 |
SaveString(CHUNK_ID_IPRD, lstINFO, Product, String("")); |
resourceType == RIFF_TYPE_DLS ? 128 : 64); |
343 |
SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String("")); |
SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String(""), UseFixedLengthStrings, 256); |
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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); |
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()+1 : Software.length()+1) : 128); |
356 |
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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); |
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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} |
} |
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 |
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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 |
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 |
} |
} |
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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 |
|
|
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 |
|
|
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); |
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; |
if (!pRegions) return; |
1031 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
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 |
|
|