2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003-2006 by Christian Schoenebeck * |
* Copyright (C) 2003-2007 by Christian Schoenebeck * |
6 |
* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
7 |
* * |
* * |
8 |
* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
25 |
|
|
26 |
#include <time.h> |
#include <time.h> |
27 |
|
|
28 |
|
#ifdef __APPLE__ |
29 |
|
#include <CoreFoundation/CFUUID.h> |
30 |
|
#elif defined(HAVE_UUID_UUID_H) |
31 |
|
#include <uuid/uuid.h> |
32 |
|
#endif |
33 |
|
|
34 |
#include "helper.h" |
#include "helper.h" |
35 |
|
|
36 |
// macros to decode connection transforms |
// macros to decode connection transforms |
148 |
const int iEntrySize = 12; // 12 bytes per connection block |
const int iEntrySize = 12; // 12 bytes per connection block |
149 |
pArticulationCk->Resize(HeaderSize + Connections * iEntrySize); |
pArticulationCk->Resize(HeaderSize + Connections * iEntrySize); |
150 |
uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData(); |
151 |
memcpy(&pData[0], &HeaderSize, 2); |
store16(&pData[0], HeaderSize); |
152 |
memcpy(&pData[2], &Connections, 2); |
store16(&pData[2], Connections); |
153 |
for (uint32_t i = 0; i < Connections; i++) { |
for (uint32_t i = 0; i < Connections; i++) { |
154 |
Connection::conn_block_t c = pConnections[i].ToConnBlock(); |
Connection::conn_block_t c = pConnections[i].ToConnBlock(); |
155 |
memcpy(&pData[HeaderSize + i * iEntrySize], &c.source, 2); |
store16(&pData[HeaderSize + i * iEntrySize], c.source); |
156 |
memcpy(&pData[HeaderSize + i * iEntrySize + 2], &c.control, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 2], c.control); |
157 |
memcpy(&pData[HeaderSize + i * iEntrySize + 4], &c.destination, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 4], c.destination); |
158 |
memcpy(&pData[HeaderSize + i * iEntrySize + 6], &c.transform, 2); |
store16(&pData[HeaderSize + i * iEntrySize + 6], c.transform); |
159 |
memcpy(&pData[HeaderSize + i * iEntrySize + 8], &c.scale, 4); |
store32(&pData[HeaderSize + i * iEntrySize + 8], c.scale); |
160 |
} |
} |
161 |
} |
} |
162 |
|
|
239 |
* @param list - pointer to a list chunk which contains an INFO list chunk |
* @param list - pointer to a list chunk which contains an INFO list chunk |
240 |
*/ |
*/ |
241 |
Info::Info(RIFF::List* list) { |
Info::Info(RIFF::List* list) { |
242 |
UseFixedLengthStrings = false; |
FixedStringLengths = NULL; |
243 |
pResourceListChunk = list; |
pResourceListChunk = list; |
244 |
if (list) { |
if (list) { |
245 |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
292 |
* @param lstINFO - parent (INFO) RIFF list chunk |
* @param lstINFO - parent (INFO) RIFF list chunk |
293 |
* @param s - current value of info field |
* @param s - current value of info field |
294 |
* @param sDefault - default value |
* @param sDefault - default value |
|
* @param bUseFixedLengthStrings - should a specific string size be forced in the chunk? |
|
|
* @param size - wanted size of the INFO chunk. This is ignored if bUseFixedLengthStrings is false. |
|
295 |
*/ |
*/ |
296 |
void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault, bool bUseFixedLengthStrings, int size) { |
void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault) { |
297 |
|
int size = 0; |
298 |
|
if (FixedStringLengths) { |
299 |
|
for (int i = 0 ; FixedStringLengths[i].length ; i++) { |
300 |
|
if (FixedStringLengths[i].chunkId == ChunkID) { |
301 |
|
size = FixedStringLengths[i].length; |
302 |
|
break; |
303 |
|
} |
304 |
|
} |
305 |
|
} |
306 |
RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
307 |
::SaveString(ChunkID, ck, lstINFO, s, sDefault, bUseFixedLengthStrings, size); // function from helper.h |
::SaveString(ChunkID, ck, lstINFO, s, sDefault, size != 0, size); // function from helper.h |
308 |
} |
} |
309 |
|
|
310 |
/** @brief Update chunks with current info values. |
/** @brief Update chunks with current info values. |
349 |
|
|
350 |
// save values |
// save values |
351 |
|
|
352 |
// (the string size values are for gig files; they are only |
SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String("")); |
353 |
// used if UseFixedLengthStrings is set to true) |
SaveString(CHUNK_ID_IART, lstINFO, Artists, String("")); |
354 |
SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName, UseFixedLengthStrings, |
SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String("")); |
355 |
resourceType == RIFF_TYPE_DLS ? 128 : 64); |
SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments); |
356 |
SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String(""), UseFixedLengthStrings, 256); |
SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String("")); |
357 |
SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate, UseFixedLengthStrings, 128); |
SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate); |
358 |
SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments, UseFixedLengthStrings, 1024); |
SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String("")); |
359 |
SaveString(CHUNK_ID_IPRD, lstINFO, Product, String(""), UseFixedLengthStrings, 128); |
SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String("")); |
360 |
SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String(""), UseFixedLengthStrings, 128); |
SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String("")); |
361 |
SaveString(CHUNK_ID_IART, lstINFO, Artists, String(""), UseFixedLengthStrings, 128); |
SaveString(CHUNK_ID_IMED, lstINFO, Medium, String("")); |
362 |
SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String(""), UseFixedLengthStrings, 128); |
SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName); |
363 |
SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String(""), UseFixedLengthStrings, 128); |
SaveString(CHUNK_ID_IPRD, lstINFO, Product, String("")); |
364 |
SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String(""), UseFixedLengthStrings, 128); |
SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String("")); |
365 |
SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String(""), UseFixedLengthStrings, 128); |
SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware); |
366 |
SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware, UseFixedLengthStrings, |
SaveString(CHUNK_ID_ISRC, lstINFO, Source, String("")); |
367 |
resourceType == LIST_TYPE_INS ? |
SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String("")); |
368 |
(Software == "" ? defaultSoftware.length() : Software.length()) : 128); |
SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String("")); |
|
SaveString(CHUNK_ID_IMED, lstINFO, Medium, String(""), UseFixedLengthStrings, 128); |
|
|
SaveString(CHUNK_ID_ISRC, lstINFO, Source, String(""), UseFixedLengthStrings, 128); |
|
|
SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String(""), UseFixedLengthStrings, 128); |
|
|
SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String(""), UseFixedLengthStrings, 128); |
|
|
SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String(""), UseFixedLengthStrings, 128); |
|
369 |
} |
} |
370 |
|
|
371 |
|
|
414 |
*/ |
*/ |
415 |
void Resource::UpdateChunks() { |
void Resource::UpdateChunks() { |
416 |
pInfo->UpdateChunks(); |
pInfo->UpdateChunks(); |
417 |
//TODO: save DLSID |
|
418 |
|
if (pDLSID) { |
419 |
|
// make sure 'dlid' chunk exists |
420 |
|
RIFF::Chunk* ckDLSID = pResourceList->GetSubChunk(CHUNK_ID_DLID); |
421 |
|
if (!ckDLSID) ckDLSID = pResourceList->AddSubChunk(CHUNK_ID_DLID, 16); |
422 |
|
uint8_t* pData = (uint8_t*)ckDLSID->LoadChunkData(); |
423 |
|
// update 'dlid' chunk |
424 |
|
store32(&pData[0], pDLSID->ulData1); |
425 |
|
store16(&pData[4], pDLSID->usData2); |
426 |
|
store16(&pData[6], pDLSID->usData3); |
427 |
|
memcpy(&pData[8], pDLSID->abData, 8); |
428 |
|
} |
429 |
} |
} |
430 |
|
|
431 |
|
/** |
432 |
|
* Generates a new DLSID for the resource. |
433 |
|
*/ |
434 |
|
void Resource::GenerateDLSID() { |
435 |
|
#if defined(WIN32) || defined(__APPLE__) || defined(HAVE_UUID_GENERATE) |
436 |
|
|
437 |
|
if (!pDLSID) pDLSID = new dlsid_t; |
438 |
|
|
439 |
|
#ifdef WIN32 |
440 |
|
|
441 |
|
UUID uuid; |
442 |
|
UuidCreate(&uuid); |
443 |
|
pDLSID->ulData1 = uuid.Data1; |
444 |
|
pDLSID->usData1 = uuid.Data2; |
445 |
|
pDLSID->usData2 = uuid.Data3; |
446 |
|
memcpy(pDLSID->abData, uuid.Data4, 8); |
447 |
|
|
448 |
|
#elif defined(__APPLE__) |
449 |
|
|
450 |
|
CFUUIDRef uuidRef = CFUUIDCreate(NULL); |
451 |
|
CFUUIDBytes uuid = CFUUIDGetUUIDBytes(uuidRef); |
452 |
|
CFRelease(uuidRef); |
453 |
|
pDLSID->ulData1 = uuid.byte0 | uuid.byte1 << 8 | uuid.byte2 << 16 | uuid.byte3 << 24; |
454 |
|
pDLSID->usData2 = uuid.byte4 | uuid.byte5 << 8; |
455 |
|
pDLSID->usData3 = uuid.byte6 | uuid.byte7 << 8; |
456 |
|
pDLSID->abData[0] = uuid.byte8; |
457 |
|
pDLSID->abData[1] = uuid.byte9; |
458 |
|
pDLSID->abData[2] = uuid.byte10; |
459 |
|
pDLSID->abData[3] = uuid.byte11; |
460 |
|
pDLSID->abData[4] = uuid.byte12; |
461 |
|
pDLSID->abData[5] = uuid.byte13; |
462 |
|
pDLSID->abData[6] = uuid.byte14; |
463 |
|
pDLSID->abData[7] = uuid.byte15; |
464 |
|
#else |
465 |
|
uuid_t uuid; |
466 |
|
uuid_generate(uuid); |
467 |
|
pDLSID->ulData1 = uuid[0] | uuid[1] << 8 | uuid[2] << 16 | uuid[3] << 24; |
468 |
|
pDLSID->usData2 = uuid[4] | uuid[5] << 8; |
469 |
|
pDLSID->usData3 = uuid[6] | uuid[7] << 8; |
470 |
|
memcpy(pDLSID->abData, &uuid[8], 8); |
471 |
|
#endif |
472 |
|
#endif |
473 |
|
} |
474 |
|
|
475 |
|
|
476 |
// *************** Sampler *************** |
// *************** Sampler *************** |
488 |
SampleLoops = wsmp->ReadUint32(); |
SampleLoops = wsmp->ReadUint32(); |
489 |
} else { // 'wsmp' chunk missing |
} else { // 'wsmp' chunk missing |
490 |
uiHeaderSize = 0; |
uiHeaderSize = 0; |
491 |
UnityNote = 64; |
UnityNote = 60; |
492 |
FineTune = 0; // +- 0 cents |
FineTune = 0; // +- 0 cents |
493 |
Gain = 0; // 0 dB |
Gain = 0; // 0 dB |
494 |
SamplerOptions = F_WSMP_NO_COMPRESSION; |
SamplerOptions = F_WSMP_NO_COMPRESSION; |
525 |
} |
} |
526 |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
527 |
// update headers size |
// update headers size |
528 |
memcpy(&pData[0], &uiHeaderSize, 4); |
store32(&pData[0], uiHeaderSize); |
529 |
// update respective sampler options bits |
// update respective sampler options bits |
530 |
SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION |
SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION |
531 |
: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
532 |
SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
533 |
: SamplerOptions & (~F_WSMP_NO_COMPRESSION); |
: SamplerOptions & (~F_WSMP_NO_COMPRESSION); |
534 |
memcpy(&pData[4], &UnityNote, 2); |
store16(&pData[4], UnityNote); |
535 |
memcpy(&pData[6], &FineTune, 2); |
store16(&pData[6], FineTune); |
536 |
memcpy(&pData[8], &Gain, 4); |
store32(&pData[8], Gain); |
537 |
memcpy(&pData[12], &SamplerOptions, 4); |
store32(&pData[12], SamplerOptions); |
538 |
memcpy(&pData[16], &SampleLoops, 4); |
store32(&pData[16], SampleLoops); |
539 |
// update loop definitions |
// update loop definitions |
540 |
for (uint32_t i = 0; i < SampleLoops; i++) { |
for (uint32_t i = 0; i < SampleLoops; i++) { |
541 |
//FIXME: this does not handle extended loop structs correctly |
//FIXME: this does not handle extended loop structs correctly |
542 |
memcpy(&pData[uiHeaderSize + i * 16], pSampleLoops + i, 4 * 4); |
store32(&pData[uiHeaderSize + i * 16], pSampleLoops[i].Size); |
543 |
|
store32(&pData[uiHeaderSize + i * 16 + 4], pSampleLoops[i].LoopType); |
544 |
|
store32(&pData[uiHeaderSize + i * 16 + 8], pSampleLoops[i].LoopStart); |
545 |
|
store32(&pData[uiHeaderSize + i * 16 + 12], pSampleLoops[i].LoopLength); |
546 |
} |
} |
547 |
} |
} |
548 |
|
|
549 |
|
/** |
550 |
|
* Adds a new sample loop with the provided loop definition. |
551 |
|
* |
552 |
|
* @param pLoopDef - points to a loop definition that is to be copied |
553 |
|
*/ |
554 |
|
void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) { |
555 |
|
sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1]; |
556 |
|
// copy old loops array |
557 |
|
for (int i = 0; i < SampleLoops; i++) { |
558 |
|
pNewLoops[i] = pSampleLoops[i]; |
559 |
|
} |
560 |
|
// add the new loop |
561 |
|
pNewLoops[SampleLoops] = *pLoopDef; |
562 |
|
// auto correct size field |
563 |
|
pNewLoops[SampleLoops].Size = sizeof(DLS::sample_loop_t); |
564 |
|
// free the old array and update the member variables |
565 |
|
if (SampleLoops) delete[] pSampleLoops; |
566 |
|
pSampleLoops = pNewLoops; |
567 |
|
SampleLoops++; |
568 |
|
} |
569 |
|
|
570 |
|
/** |
571 |
|
* Deletes an existing sample loop. |
572 |
|
* |
573 |
|
* @param pLoopDef - pointer to existing loop definition |
574 |
|
* @throws Exception - if given loop definition does not exist |
575 |
|
*/ |
576 |
|
void Sampler::DeleteSampleLoop(sample_loop_t* pLoopDef) { |
577 |
|
sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops - 1]; |
578 |
|
// copy old loops array (skipping given loop) |
579 |
|
for (int i = 0, o = 0; i < SampleLoops; i++) { |
580 |
|
if (&pSampleLoops[i] == pLoopDef) continue; |
581 |
|
if (o == SampleLoops - 1) |
582 |
|
throw Exception("Could not delete Sample Loop, because it does not exist"); |
583 |
|
pNewLoops[o] = pSampleLoops[i]; |
584 |
|
o++; |
585 |
|
} |
586 |
|
// free the old array and update the member variables |
587 |
|
if (SampleLoops) delete[] pSampleLoops; |
588 |
|
pSampleLoops = pNewLoops; |
589 |
|
SampleLoops--; |
590 |
|
} |
591 |
|
|
592 |
|
|
593 |
|
|
594 |
// *************** Sample *************** |
// *************** Sample *************** |
622 |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
623 |
BlockAlign = pCkFormat->ReadUint16(); |
BlockAlign = pCkFormat->ReadUint16(); |
624 |
// PCM format specific |
// PCM format specific |
625 |
if (FormatTag == WAVE_FORMAT_PCM) { |
if (FormatTag == DLS_WAVE_FORMAT_PCM) { |
626 |
BitDepth = pCkFormat->ReadUint16(); |
BitDepth = pCkFormat->ReadUint16(); |
627 |
FrameSize = (BitDepth / 8) * Channels; |
FrameSize = (BitDepth / 8) * Channels; |
628 |
} else { // unsupported sample data format |
} else { // unsupported sample data format |
630 |
FrameSize = 0; |
FrameSize = 0; |
631 |
} |
} |
632 |
} else { // 'fmt' chunk missing |
} else { // 'fmt' chunk missing |
633 |
FormatTag = WAVE_FORMAT_PCM; |
FormatTag = DLS_WAVE_FORMAT_PCM; |
634 |
BitDepth = 16; |
BitDepth = 16; |
635 |
Channels = 1; |
Channels = 1; |
636 |
SamplesPerSecond = 44100; |
SamplesPerSecond = 44100; |
638 |
FrameSize = (BitDepth / 8) * Channels; |
FrameSize = (BitDepth / 8) * Channels; |
639 |
BlockAlign = FrameSize; |
BlockAlign = FrameSize; |
640 |
} |
} |
641 |
SamplesTotal = (pCkData) ? (FormatTag == WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
642 |
: 0 |
: 0 |
643 |
: 0; |
: 0; |
644 |
} |
} |
645 |
|
|
699 |
* the RIFF chunk which encapsulates the sample's wave data. The |
* the RIFF chunk which encapsulates the sample's wave data. The |
700 |
* returned value is dependant to the current FrameSize value. |
* returned value is dependant to the current FrameSize value. |
701 |
* |
* |
702 |
* @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 |
703 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
704 |
*/ |
*/ |
705 |
unsigned long Sample::GetSize() { |
unsigned long Sample::GetSize() { |
706 |
if (FormatTag != WAVE_FORMAT_PCM) return 0; |
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; |
707 |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
708 |
} |
} |
709 |
|
|
725 |
* calling File::Save() as this might exceed the current sample's |
* calling File::Save() as this might exceed the current sample's |
726 |
* boundary! |
* boundary! |
727 |
* |
* |
728 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
729 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to resize samples with |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
730 |
* other formats will fail! |
* other formats will fail! |
731 |
* |
* |
732 |
* @param iNewSize - new sample wave data size in sample points (must be |
* @param iNewSize - new sample wave data size in sample points (must be |
733 |
* greater than zero) |
* greater than zero) |
734 |
* @throws Excecption if FormatTag != WAVE_FORMAT_PCM |
* @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
735 |
* @throws Exception if \a iNewSize is less than 1 |
* @throws Exception if \a iNewSize is less than 1 |
736 |
* @see File::Save(), FrameSize, FormatTag |
* @see File::Save(), FrameSize, FormatTag |
737 |
*/ |
*/ |
738 |
void Sample::Resize(int iNewSize) { |
void Sample::Resize(int iNewSize) { |
739 |
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"); |
740 |
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"); |
741 |
const int iSizeInBytes = iNewSize * FrameSize; |
const int iSizeInBytes = iNewSize * FrameSize; |
742 |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
749 |
* 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 |
750 |
* the sample into RAM, thus for disk streaming. |
* the sample into RAM, thus for disk streaming. |
751 |
* |
* |
752 |
* Also note: only WAVE_FORMAT_PCM is currently supported, that is |
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
753 |
* FormatTag must be WAVE_FORMAT_PCM. Trying to reposition the sample |
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample |
754 |
* with other formats will fail! |
* with other formats will fail! |
755 |
* |
* |
756 |
* @param SampleCount number of sample points |
* @param SampleCount number of sample points |
757 |
* @param Whence to which relation \a SampleCount refers to |
* @param Whence to which relation \a SampleCount refers to |
758 |
* @returns new position within the sample, 0 if |
* @returns new position within the sample, 0 if |
759 |
* FormatTag != WAVE_FORMAT_PCM |
* FormatTag != DLS_WAVE_FORMAT_PCM |
760 |
* @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 |
761 |
* @see FrameSize, FormatTag |
* @see FrameSize, FormatTag |
762 |
*/ |
*/ |
763 |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) { |
764 |
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 |
765 |
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"); |
766 |
unsigned long orderedBytes = SampleCount * FrameSize; |
unsigned long orderedBytes = SampleCount * FrameSize; |
767 |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
unsigned long result = pCkData->SetPos(orderedBytes, Whence); |
779 |
* @param SampleCount number of sample points to read |
* @param SampleCount number of sample points to read |
780 |
*/ |
*/ |
781 |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) { |
782 |
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 |
783 |
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? |
784 |
} |
} |
785 |
|
|
799 |
* @see LoadSampleData() |
* @see LoadSampleData() |
800 |
*/ |
*/ |
801 |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
802 |
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 |
803 |
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"); |
804 |
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? |
805 |
} |
} |
808 |
* Apply sample and its settings to the respective RIFF chunks. You have |
* Apply sample and its settings to the respective RIFF chunks. You have |
809 |
* to call File::Save() to make changes persistent. |
* to call File::Save() to make changes persistent. |
810 |
* |
* |
811 |
* @throws Exception if FormatTag != WAVE_FORMAT_PCM or no sample data |
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
812 |
* was provided yet |
* was provided yet |
813 |
*/ |
*/ |
814 |
void Sample::UpdateChunks() { |
void Sample::UpdateChunks() { |
815 |
if (FormatTag != WAVE_FORMAT_PCM) |
if (FormatTag != DLS_WAVE_FORMAT_PCM) |
816 |
throw Exception("Could not save sample, only PCM format is supported"); |
throw Exception("Could not save sample, only PCM format is supported"); |
817 |
// 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 |
818 |
if (!pCkData) |
if (!pCkData) |
824 |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
825 |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
826 |
// update 'fmt' chunk |
// update 'fmt' chunk |
827 |
memcpy(&pData[0], &FormatTag, 2); |
store16(&pData[0], FormatTag); |
828 |
memcpy(&pData[2], &Channels, 2); |
store16(&pData[2], Channels); |
829 |
memcpy(&pData[4], &SamplesPerSecond, 4); |
store32(&pData[4], SamplesPerSecond); |
830 |
memcpy(&pData[8], &AverageBytesPerSecond, 4); |
store32(&pData[8], AverageBytesPerSecond); |
831 |
memcpy(&pData[12], &BlockAlign, 2); |
store16(&pData[12], BlockAlign); |
832 |
memcpy(&pData[14], &BitDepth, 2); // assuming PCM format |
store16(&pData[14], BitDepth); // assuming PCM format |
833 |
} |
} |
834 |
|
|
835 |
|
|
927 |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
928 |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
929 |
// update 'rgnh' chunk |
// update 'rgnh' chunk |
930 |
memcpy(&pData[0], &KeyRange, 2 * 2); |
store16(&pData[0], KeyRange.low); |
931 |
memcpy(&pData[4], &VelocityRange, 2 * 2); |
store16(&pData[2], KeyRange.high); |
932 |
memcpy(&pData[8], &FormatOptionFlags, 2); |
store16(&pData[4], VelocityRange.low); |
933 |
memcpy(&pData[10], &KeyGroup, 2); |
store16(&pData[6], VelocityRange.high); |
934 |
if (rgnh->GetSize() >= 14) memcpy(&pData[12], &Layer, 2); |
store16(&pData[8], FormatOptionFlags); |
935 |
|
store16(&pData[10], KeyGroup); |
936 |
|
if (rgnh->GetSize() >= 14) store16(&pData[12], Layer); |
937 |
|
|
938 |
// update chunks of base classes as well (but skip Resource, |
// update chunks of base classes as well (but skip Resource, |
939 |
// as a rgn doesn't seem to have dlid and INFO chunks) |
// as a rgn doesn't seem to have dlid and INFO chunks) |
966 |
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"); |
967 |
WavePoolTableIndex = index; |
WavePoolTableIndex = index; |
968 |
// update 'wlnk' chunk |
// update 'wlnk' chunk |
969 |
memcpy(&pData[0], &WaveLinkOptionFlags, 2); |
store16(&pData[0], WaveLinkOptionFlags); |
970 |
memcpy(&pData[2], &PhaseGroup, 2); |
store16(&pData[2], PhaseGroup); |
971 |
memcpy(&pData[4], &Channel, 4); |
store32(&pData[4], Channel); |
972 |
memcpy(&pData[8], &WavePoolTableIndex, 4); |
store32(&pData[8], WavePoolTableIndex); |
973 |
} |
} |
974 |
|
|
975 |
|
|
1052 |
return pNewRegion; |
return pNewRegion; |
1053 |
} |
} |
1054 |
|
|
1055 |
|
void Instrument::MoveRegion(Region* pSrc, Region* pDst) { |
1056 |
|
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1057 |
|
lrgn->MoveSubChunk(pSrc->pCkRegion, pDst ? pDst->pCkRegion : 0); |
1058 |
|
|
1059 |
|
pRegions->remove(pSrc); |
1060 |
|
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst); |
1061 |
|
pRegions->insert(iter, pSrc); |
1062 |
|
} |
1063 |
|
|
1064 |
void Instrument::DeleteRegion(Region* pRegion) { |
void Instrument::DeleteRegion(Region* pRegion) { |
1065 |
if (!pRegions) return; |
if (!pRegions) return; |
1066 |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
1091 |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
1092 |
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); |
1093 |
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 |
1094 |
memcpy(&pData[0], &Regions, 4); |
store32(&pData[0], Regions); |
1095 |
memcpy(&pData[4], &locale, 2 * 4); |
store32(&pData[4], locale.bank); |
1096 |
|
store32(&pData[8], locale.instrument); |
1097 |
// update Region's chunks |
// update Region's chunks |
1098 |
if (!pRegions) return; |
if (!pRegions) return; |
1099 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
1135 |
* a DLS file. |
* a DLS file. |
1136 |
*/ |
*/ |
1137 |
File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) { |
File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) { |
1138 |
|
pRIFF->SetByteOrder(RIFF::endian_little); |
1139 |
pVersion = new version_t; |
pVersion = new version_t; |
1140 |
pVersion->major = 0; |
pVersion->major = 0; |
1141 |
pVersion->minor = 0; |
pVersion->minor = 0; |
1390 |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1391 |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
1392 |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
1393 |
memcpy(pData, pVersion, 2 * 4); |
store16(&pData[0], pVersion->minor); |
1394 |
|
store16(&pData[2], pVersion->major); |
1395 |
|
store16(&pData[4], pVersion->build); |
1396 |
|
store16(&pData[6], pVersion->release); |
1397 |
} |
} |
1398 |
|
|
1399 |
// update 'colh' chunk |
// update 'colh' chunk |
1401 |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1402 |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
1403 |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
1404 |
memcpy(pData, &Instruments, 4); |
store32(pData, Instruments); |
1405 |
|
|
1406 |
// update instrument's chunks |
// update instrument's chunks |
1407 |
if (pInstruments) { |
if (pInstruments) { |
1421 |
ptbl->Resize(iPtblSize); |
ptbl->Resize(iPtblSize); |
1422 |
pData = (uint8_t*) ptbl->LoadChunkData(); |
pData = (uint8_t*) ptbl->LoadChunkData(); |
1423 |
WavePoolCount = iSamples; |
WavePoolCount = iSamples; |
1424 |
memcpy(&pData[4], &WavePoolCount, 4); |
store32(&pData[4], WavePoolCount); |
1425 |
// 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() |
1426 |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
1427 |
|
|
1510 |
unsigned long ulOriginalPos = ptbl->GetPos(); |
unsigned long ulOriginalPos = ptbl->GetPos(); |
1511 |
// update headers |
// update headers |
1512 |
ptbl->SetPos(0); |
ptbl->SetPos(0); |
1513 |
ptbl->WriteUint32(&WavePoolHeaderSize); |
uint32_t tmp = WavePoolHeaderSize; |
1514 |
ptbl->WriteUint32(&WavePoolCount); |
ptbl->WriteUint32(&tmp); |
1515 |
|
tmp = WavePoolCount; |
1516 |
|
ptbl->WriteUint32(&tmp); |
1517 |
// update offsets |
// update offsets |
1518 |
ptbl->SetPos(WavePoolHeaderSize); |
ptbl->SetPos(WavePoolHeaderSize); |
1519 |
if (b64BitWavePoolOffsets) { |
if (b64BitWavePoolOffsets) { |
1520 |
for (int i = 0 ; i < WavePoolCount ; i++) { |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1521 |
ptbl->WriteUint32(&pWavePoolTableHi[i]); |
tmp = pWavePoolTableHi[i]; |
1522 |
ptbl->WriteUint32(&pWavePoolTable[i]); |
ptbl->WriteUint32(&tmp); |
1523 |
|
tmp = pWavePoolTable[i]; |
1524 |
|
ptbl->WriteUint32(&tmp); |
1525 |
} |
} |
1526 |
} else { // conventional 32 bit offsets |
} else { // conventional 32 bit offsets |
1527 |
for (int i = 0 ; i < WavePoolCount ; i++) |
for (int i = 0 ; i < WavePoolCount ; i++) { |
1528 |
ptbl->WriteUint32(&pWavePoolTable[i]); |
tmp = pWavePoolTable[i]; |
1529 |
|
ptbl->WriteUint32(&tmp); |
1530 |
|
} |
1531 |
} |
} |
1532 |
// restore 'ptbl' chunk's original read/write position |
// restore 'ptbl' chunk's original read/write position |
1533 |
ptbl->SetPos(ulOriginalPos); |
ptbl->SetPos(ulOriginalPos); |