1 |
/*************************************************************************** |
/*************************************************************************** |
2 |
* * |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file loader library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
* * |
5 |
* Copyright (C) 2003 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 * |
9 |
* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
23 |
|
|
24 |
#include "DLS.h" |
#include "DLS.h" |
25 |
|
|
26 |
|
#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" |
35 |
|
|
36 |
|
// macros to decode connection transforms |
37 |
|
#define CONN_TRANSFORM_SRC(x) ((x >> 10) & 0x000F) |
38 |
|
#define CONN_TRANSFORM_CTL(x) ((x >> 4) & 0x000F) |
39 |
|
#define CONN_TRANSFORM_DST(x) (x & 0x000F) |
40 |
|
#define CONN_TRANSFORM_BIPOLAR_SRC(x) (x & 0x4000) |
41 |
|
#define CONN_TRANSFORM_BIPOLAR_CTL(x) (x & 0x0100) |
42 |
|
#define CONN_TRANSFORM_INVERT_SRC(x) (x & 0x8000) |
43 |
|
#define CONN_TRANSFORM_INVERT_CTL(x) (x & 0x0200) |
44 |
|
|
45 |
|
// macros to encode connection transforms |
46 |
|
#define CONN_TRANSFORM_SRC_ENCODE(x) ((x & 0x000F) << 10) |
47 |
|
#define CONN_TRANSFORM_CTL_ENCODE(x) ((x & 0x000F) << 4) |
48 |
|
#define CONN_TRANSFORM_DST_ENCODE(x) (x & 0x000F) |
49 |
|
#define CONN_TRANSFORM_BIPOLAR_SRC_ENCODE(x) ((x) ? 0x4000 : 0) |
50 |
|
#define CONN_TRANSFORM_BIPOLAR_CTL_ENCODE(x) ((x) ? 0x0100 : 0) |
51 |
|
#define CONN_TRANSFORM_INVERT_SRC_ENCODE(x) ((x) ? 0x8000 : 0) |
52 |
|
#define CONN_TRANSFORM_INVERT_CTL_ENCODE(x) ((x) ? 0x0200 : 0) |
53 |
|
|
54 |
|
#define DRUM_TYPE_MASK 0x80000000 |
55 |
|
|
56 |
|
#define F_RGN_OPTION_SELFNONEXCLUSIVE 0x0001 |
57 |
|
|
58 |
|
#define F_WAVELINK_PHASE_MASTER 0x0001 |
59 |
|
#define F_WAVELINK_MULTICHANNEL 0x0002 |
60 |
|
|
61 |
|
#define F_WSMP_NO_TRUNCATION 0x0001 |
62 |
|
#define F_WSMP_NO_COMPRESSION 0x0002 |
63 |
|
|
64 |
|
#define MIDI_BANK_COARSE(x) ((x & 0x00007F00) >> 8) // CC0 |
65 |
|
#define MIDI_BANK_FINE(x) (x & 0x0000007F) // CC32 |
66 |
|
#define MIDI_BANK_MERGE(coarse, fine) ((((uint16_t) coarse) << 7) | fine) // CC0 + CC32 |
67 |
|
#define MIDI_BANK_ENCODE(coarse, fine) (((coarse & 0x0000007F) << 8) | (fine & 0x0000007F)) |
68 |
|
|
69 |
namespace DLS { |
namespace DLS { |
70 |
|
|
71 |
// *************** Connection *************** |
// *************** Connection *************** |
85 |
ControlBipolar = CONN_TRANSFORM_BIPOLAR_CTL(Header->transform); |
ControlBipolar = CONN_TRANSFORM_BIPOLAR_CTL(Header->transform); |
86 |
} |
} |
87 |
|
|
88 |
|
Connection::conn_block_t Connection::ToConnBlock() { |
89 |
|
conn_block_t c; |
90 |
|
c.source = Source; |
91 |
|
c.control = Control; |
92 |
|
c.destination = Destination; |
93 |
|
c.scale = Scale; |
94 |
|
c.transform = CONN_TRANSFORM_SRC_ENCODE(SourceTransform) | |
95 |
|
CONN_TRANSFORM_CTL_ENCODE(ControlTransform) | |
96 |
|
CONN_TRANSFORM_DST_ENCODE(DestinationTransform) | |
97 |
|
CONN_TRANSFORM_INVERT_SRC_ENCODE(SourceInvert) | |
98 |
|
CONN_TRANSFORM_BIPOLAR_SRC_ENCODE(SourceBipolar) | |
99 |
|
CONN_TRANSFORM_INVERT_CTL_ENCODE(ControlInvert) | |
100 |
|
CONN_TRANSFORM_BIPOLAR_CTL_ENCODE(ControlBipolar); |
101 |
|
return c; |
102 |
|
} |
103 |
|
|
104 |
|
|
105 |
|
|
106 |
// *************** Articulation *************** |
// *************** Articulation *************** |
107 |
// * |
// * |
108 |
|
|
109 |
Articulation::Articulation(RIFF::List* artList) { |
/** @brief Constructor. |
110 |
if (artList->GetListType() != LIST_TYPE_ART2 && |
* |
111 |
artList->GetListType() != LIST_TYPE_ART1) { |
* Expects an 'artl' or 'art2' chunk to be given where the articulation |
112 |
throw DLS::Exception("<art1-list> or <art2-list> chunk expected"); |
* connections will be read from. |
113 |
} |
* |
114 |
uint32_t headerSize = artList->ReadUint32(); |
* @param artl - pointer to an 'artl' or 'art2' chunk |
115 |
Connections = artList->ReadUint32(); |
* @throws Exception if no 'artl' or 'art2' chunk was given |
116 |
artList->SetPos(headerSize); |
*/ |
117 |
|
Articulation::Articulation(RIFF::Chunk* artl) { |
118 |
|
pArticulationCk = artl; |
119 |
|
if (artl->GetChunkID() != CHUNK_ID_ART2 && |
120 |
|
artl->GetChunkID() != CHUNK_ID_ARTL) { |
121 |
|
throw DLS::Exception("<artl-ck> or <art2-ck> chunk expected"); |
122 |
|
} |
123 |
|
HeaderSize = artl->ReadUint32(); |
124 |
|
Connections = artl->ReadUint32(); |
125 |
|
artl->SetPos(HeaderSize); |
126 |
|
|
127 |
pConnections = new Connection[Connections]; |
pConnections = new Connection[Connections]; |
128 |
Connection::conn_block_t connblock; |
Connection::conn_block_t connblock; |
129 |
for (uint32_t i = 0; i <= Connections; i++) { |
for (uint32_t i = 0; i < Connections; i++) { |
130 |
artList->Read(&connblock.source, 1, 2); |
artl->Read(&connblock.source, 1, 2); |
131 |
artList->Read(&connblock.control, 1, 2); |
artl->Read(&connblock.control, 1, 2); |
132 |
artList->Read(&connblock.destination, 1, 2); |
artl->Read(&connblock.destination, 1, 2); |
133 |
artList->Read(&connblock.transform, 1, 2); |
artl->Read(&connblock.transform, 1, 2); |
134 |
artList->Read(&connblock.scale, 1, 4); |
artl->Read(&connblock.scale, 1, 4); |
135 |
pConnections[i].Init(&connblock); |
pConnections[i].Init(&connblock); |
136 |
} |
} |
137 |
} |
} |
140 |
if (pConnections) delete[] pConnections; |
if (pConnections) delete[] pConnections; |
141 |
} |
} |
142 |
|
|
143 |
|
/** |
144 |
|
* Apply articulation connections to the respective RIFF chunks. You |
145 |
|
* have to call File::Save() to make changes persistent. |
146 |
|
*/ |
147 |
|
void Articulation::UpdateChunks() { |
148 |
|
const int iEntrySize = 12; // 12 bytes per connection block |
149 |
|
pArticulationCk->Resize(HeaderSize + Connections * iEntrySize); |
150 |
|
uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData(); |
151 |
|
store16(&pData[0], HeaderSize); |
152 |
|
store16(&pData[2], Connections); |
153 |
|
for (uint32_t i = 0; i < Connections; i++) { |
154 |
|
Connection::conn_block_t c = pConnections[i].ToConnBlock(); |
155 |
|
store16(&pData[HeaderSize + i * iEntrySize], c.source); |
156 |
|
store16(&pData[HeaderSize + i * iEntrySize + 2], c.control); |
157 |
|
store16(&pData[HeaderSize + i * iEntrySize + 4], c.destination); |
158 |
|
store16(&pData[HeaderSize + i * iEntrySize + 6], c.transform); |
159 |
|
store32(&pData[HeaderSize + i * iEntrySize + 8], c.scale); |
160 |
|
} |
161 |
|
} |
162 |
|
|
163 |
|
|
164 |
|
|
165 |
// *************** Articulator *************** |
// *************** Articulator *************** |
188 |
RIFF::List* lart = pParentList->GetSubList(LIST_TYPE_LAR2); |
RIFF::List* lart = pParentList->GetSubList(LIST_TYPE_LAR2); |
189 |
if (!lart) lart = pParentList->GetSubList(LIST_TYPE_LART); |
if (!lart) lart = pParentList->GetSubList(LIST_TYPE_LART); |
190 |
if (lart) { |
if (lart) { |
191 |
uint32_t artCkType = (lart->GetListType() == LIST_TYPE_LAR2) ? LIST_TYPE_ART2 |
uint32_t artCkType = (lart->GetListType() == LIST_TYPE_LAR2) ? CHUNK_ID_ART2 |
192 |
: LIST_TYPE_ART1; |
: CHUNK_ID_ARTL; |
193 |
RIFF::List* art = lart->GetFirstSubList(); |
RIFF::Chunk* art = lart->GetFirstSubChunk(); |
194 |
while (art) { |
while (art) { |
195 |
if (art->GetListType() == artCkType) { |
if (art->GetChunkID() == artCkType) { |
196 |
if (!pArticulations) pArticulations = new ArticulationList; |
if (!pArticulations) pArticulations = new ArticulationList; |
197 |
pArticulations->push_back(new Articulation(art)); |
pArticulations->push_back(new Articulation(art)); |
198 |
} |
} |
199 |
art = lart->GetNextSubList(); |
art = lart->GetNextSubChunk(); |
200 |
} |
} |
201 |
} |
} |
202 |
} |
} |
213 |
} |
} |
214 |
} |
} |
215 |
|
|
216 |
|
/** |
217 |
|
* Apply all articulations to the respective RIFF chunks. You have to |
218 |
|
* call File::Save() to make changes persistent. |
219 |
|
*/ |
220 |
|
void Articulator::UpdateChunks() { |
221 |
|
if (pArticulations) { |
222 |
|
ArticulationList::iterator iter = pArticulations->begin(); |
223 |
|
ArticulationList::iterator end = pArticulations->end(); |
224 |
|
for (; iter != end; ++iter) { |
225 |
|
(*iter)->UpdateChunks(); |
226 |
|
} |
227 |
|
} |
228 |
|
} |
229 |
|
|
230 |
|
|
231 |
|
|
232 |
// *************** Info *************** |
// *************** Info *************** |
233 |
// * |
// * |
234 |
|
|
235 |
|
/** @brief Constructor. |
236 |
|
* |
237 |
|
* Initializes the info strings with values provided by an INFO list chunk. |
238 |
|
* |
239 |
|
* @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 |
|
FixedStringLengths = NULL; |
243 |
|
pResourceListChunk = list; |
244 |
if (list) { |
if (list) { |
245 |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO); |
246 |
if (lstINFO) { |
if (lstINFO) { |
260 |
LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
LoadString(CHUNK_ID_ISRC, lstINFO, Source); |
261 |
LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm); |
262 |
LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned); |
LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned); |
263 |
|
LoadString(CHUNK_ID_ISBJ, lstINFO, Subject); |
264 |
|
} |
265 |
|
} |
266 |
|
} |
267 |
|
|
268 |
|
Info::~Info() { |
269 |
|
} |
270 |
|
|
271 |
|
/** @brief Load given INFO field. |
272 |
|
* |
273 |
|
* Load INFO field from INFO chunk with chunk ID \a ChunkID from INFO |
274 |
|
* list chunk \a lstINFO and save value to \a s. |
275 |
|
*/ |
276 |
|
void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) { |
277 |
|
RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID); |
278 |
|
::LoadString(ck, s); // function from helper.h |
279 |
|
} |
280 |
|
|
281 |
|
/** @brief Apply given INFO field to the respective chunk. |
282 |
|
* |
283 |
|
* Apply given info value to info chunk with ID \a ChunkID, which is a |
284 |
|
* subchunk of INFO list chunk \a lstINFO. If the given chunk already |
285 |
|
* exists, value \a s will be applied. Otherwise if it doesn't exist yet |
286 |
|
* and either \a s or \a sDefault is not an empty string, such a chunk |
287 |
|
* will be created and either \a s or \a sDefault will be applied |
288 |
|
* (depending on which one is not an empty string, if both are not an |
289 |
|
* empty string \a s will be preferred). |
290 |
|
* |
291 |
|
* @param ChunkID - 32 bit RIFF chunk ID of INFO subchunk |
292 |
|
* @param lstINFO - parent (INFO) RIFF list chunk |
293 |
|
* @param s - current value of info field |
294 |
|
* @param sDefault - default value |
295 |
|
*/ |
296 |
|
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); |
307 |
|
::SaveString(ChunkID, ck, lstINFO, s, sDefault, size != 0, size); // function from helper.h |
308 |
|
} |
309 |
|
|
310 |
|
/** @brief Update chunks with current info values. |
311 |
|
* |
312 |
|
* Apply current INFO field values to the respective INFO chunks. You |
313 |
|
* have to call File::Save() to make changes persistent. |
314 |
|
*/ |
315 |
|
void Info::UpdateChunks() { |
316 |
|
if (!pResourceListChunk) return; |
317 |
|
|
318 |
|
// make sure INFO list chunk exists |
319 |
|
RIFF::List* lstINFO = pResourceListChunk->GetSubList(LIST_TYPE_INFO); |
320 |
|
|
321 |
|
String defaultName = ""; |
322 |
|
String defaultCreationDate = ""; |
323 |
|
String defaultSoftware = ""; |
324 |
|
String defaultComments = ""; |
325 |
|
|
326 |
|
uint32_t resourceType = pResourceListChunk->GetListType(); |
327 |
|
|
328 |
|
if (!lstINFO) { |
329 |
|
lstINFO = pResourceListChunk->AddSubList(LIST_TYPE_INFO); |
330 |
|
|
331 |
|
// assemble default values |
332 |
|
defaultName = "NONAME"; |
333 |
|
|
334 |
|
if (resourceType == RIFF_TYPE_DLS) { |
335 |
|
// get current date |
336 |
|
time_t now = time(NULL); |
337 |
|
tm* pNowBroken = localtime(&now); |
338 |
|
char buf[11]; |
339 |
|
strftime(buf, 11, "%F", pNowBroken); |
340 |
|
defaultCreationDate = buf; |
341 |
|
|
342 |
|
defaultComments = "Created with " + libraryName() + " " + libraryVersion(); |
343 |
|
} |
344 |
|
if (resourceType == RIFF_TYPE_DLS || resourceType == LIST_TYPE_INS) |
345 |
|
{ |
346 |
|
defaultSoftware = libraryName() + " " + libraryVersion(); |
347 |
} |
} |
348 |
} |
} |
349 |
|
|
350 |
|
// save values |
351 |
|
|
352 |
|
SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String("")); |
353 |
|
SaveString(CHUNK_ID_IART, lstINFO, Artists, String("")); |
354 |
|
SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String("")); |
355 |
|
SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments); |
356 |
|
SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String("")); |
357 |
|
SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate); |
358 |
|
SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String("")); |
359 |
|
SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String("")); |
360 |
|
SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String("")); |
361 |
|
SaveString(CHUNK_ID_IMED, lstINFO, Medium, String("")); |
362 |
|
SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName); |
363 |
|
SaveString(CHUNK_ID_IPRD, lstINFO, Product, String("")); |
364 |
|
SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String("")); |
365 |
|
SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware); |
366 |
|
SaveString(CHUNK_ID_ISRC, lstINFO, Source, String("")); |
367 |
|
SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String("")); |
368 |
|
SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String("")); |
369 |
} |
} |
370 |
|
|
371 |
|
|
373 |
// *************** Resource *************** |
// *************** Resource *************** |
374 |
// * |
// * |
375 |
|
|
376 |
|
/** @brief Constructor. |
377 |
|
* |
378 |
|
* Initializes the 'Resource' object with values provided by a given |
379 |
|
* INFO list chunk and a DLID chunk (the latter optional). |
380 |
|
* |
381 |
|
* @param Parent - pointer to parent 'Resource', NULL if this is |
382 |
|
* the toplevel 'Resource' object |
383 |
|
* @param lstResource - pointer to an INFO list chunk |
384 |
|
*/ |
385 |
Resource::Resource(Resource* Parent, RIFF::List* lstResource) { |
Resource::Resource(Resource* Parent, RIFF::List* lstResource) { |
386 |
pParent = Parent; |
pParent = Parent; |
387 |
|
pResourceList = lstResource; |
388 |
|
|
389 |
pInfo = new Info(lstResource); |
pInfo = new Info(lstResource); |
390 |
|
|
404 |
if (pInfo) delete pInfo; |
if (pInfo) delete pInfo; |
405 |
} |
} |
406 |
|
|
407 |
|
/** @brief Update chunks with current Resource data. |
408 |
|
* |
409 |
|
* Apply Resource data persistently below the previously given resource |
410 |
|
* list chunk. This will currently only include the INFO data. The DLSID |
411 |
|
* will not be applied at the moment (yet). |
412 |
|
* |
413 |
|
* You have to call File::Save() to make changes persistent. |
414 |
|
*/ |
415 |
|
void Resource::UpdateChunks() { |
416 |
|
pInfo->UpdateChunks(); |
417 |
|
|
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 *************** |
477 |
// * |
// * |
478 |
|
|
479 |
Sampler::Sampler(RIFF::List* ParentList) { |
Sampler::Sampler(RIFF::List* ParentList) { |
480 |
|
pParentList = ParentList; |
481 |
RIFF::Chunk* wsmp = ParentList->GetSubChunk(CHUNK_ID_WSMP); |
RIFF::Chunk* wsmp = ParentList->GetSubChunk(CHUNK_ID_WSMP); |
482 |
if (!wsmp) throw DLS::Exception("Mandatory <wsmp> chunk not found."); |
if (wsmp) { |
483 |
uint32_t headersize = wsmp->ReadUint32(); |
uiHeaderSize = wsmp->ReadUint32(); |
484 |
UnityNote = wsmp->ReadUint16(); |
UnityNote = wsmp->ReadUint16(); |
485 |
FineTune = wsmp->ReadInt16(); |
FineTune = wsmp->ReadInt16(); |
486 |
Gain = wsmp->ReadInt32(); |
Gain = wsmp->ReadInt32(); |
487 |
SamplerOptions = wsmp->ReadUint32(); |
SamplerOptions = wsmp->ReadUint32(); |
488 |
|
SampleLoops = wsmp->ReadUint32(); |
489 |
|
} else { // 'wsmp' chunk missing |
490 |
|
uiHeaderSize = 0; |
491 |
|
UnityNote = 64; |
492 |
|
FineTune = 0; // +- 0 cents |
493 |
|
Gain = 0; // 0 dB |
494 |
|
SamplerOptions = F_WSMP_NO_COMPRESSION; |
495 |
|
SampleLoops = 0; |
496 |
|
} |
497 |
NoSampleDepthTruncation = SamplerOptions & F_WSMP_NO_TRUNCATION; |
NoSampleDepthTruncation = SamplerOptions & F_WSMP_NO_TRUNCATION; |
498 |
NoSampleCompression = SamplerOptions & F_WSMP_NO_COMPRESSION; |
NoSampleCompression = SamplerOptions & F_WSMP_NO_COMPRESSION; |
|
SampleLoops = wsmp->ReadUint32(); |
|
499 |
pSampleLoops = (SampleLoops) ? new sample_loop_t[SampleLoops] : NULL; |
pSampleLoops = (SampleLoops) ? new sample_loop_t[SampleLoops] : NULL; |
500 |
wsmp->SetPos(headersize); |
if (SampleLoops) { |
501 |
for (uint32_t i = 0; i < SampleLoops; i++) { |
wsmp->SetPos(uiHeaderSize); |
502 |
wsmp->Read(pSampleLoops + i, 4, 4); |
for (uint32_t i = 0; i < SampleLoops; i++) { |
503 |
if (pSampleLoops[i].Size > sizeof(sample_loop_t)) { // if loop struct was extended |
wsmp->Read(pSampleLoops + i, 4, 4); |
504 |
wsmp->SetPos(pSampleLoops[i].Size - sizeof(sample_loop_t), RIFF::stream_curpos); |
if (pSampleLoops[i].Size > sizeof(sample_loop_t)) { // if loop struct was extended |
505 |
|
wsmp->SetPos(pSampleLoops[i].Size - sizeof(sample_loop_t), RIFF::stream_curpos); |
506 |
|
} |
507 |
} |
} |
508 |
} |
} |
509 |
} |
} |
512 |
if (pSampleLoops) delete[] pSampleLoops; |
if (pSampleLoops) delete[] pSampleLoops; |
513 |
} |
} |
514 |
|
|
515 |
|
/** |
516 |
|
* Apply all sample player options to the respective RIFF chunk. You |
517 |
|
* have to call File::Save() to make changes persistent. |
518 |
|
*/ |
519 |
|
void Sampler::UpdateChunks() { |
520 |
|
// make sure 'wsmp' chunk exists |
521 |
|
RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP); |
522 |
|
if (!wsmp) { |
523 |
|
uiHeaderSize = 20; |
524 |
|
wsmp = pParentList->AddSubChunk(CHUNK_ID_WSMP, uiHeaderSize + SampleLoops * 16); |
525 |
|
} |
526 |
|
uint8_t* pData = (uint8_t*) wsmp->LoadChunkData(); |
527 |
|
// update headers size |
528 |
|
store32(&pData[0], uiHeaderSize); |
529 |
|
// update respective sampler options bits |
530 |
|
SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION |
531 |
|
: SamplerOptions & (~F_WSMP_NO_TRUNCATION); |
532 |
|
SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION |
533 |
|
: SamplerOptions & (~F_WSMP_NO_COMPRESSION); |
534 |
|
store16(&pData[4], UnityNote); |
535 |
|
store16(&pData[6], FineTune); |
536 |
|
store32(&pData[8], Gain); |
537 |
|
store32(&pData[12], SamplerOptions); |
538 |
|
store32(&pData[16], SampleLoops); |
539 |
|
// update loop definitions |
540 |
|
for (uint32_t i = 0; i < SampleLoops; i++) { |
541 |
|
//FIXME: this does not handle extended loop structs correctly |
542 |
|
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 *************** |
595 |
// * |
// * |
596 |
|
|
597 |
|
/** @brief Constructor. |
598 |
|
* |
599 |
|
* Load an existing sample or create a new one. A 'wave' list chunk must |
600 |
|
* be given to this constructor. In case the given 'wave' list chunk |
601 |
|
* contains a 'fmt' and 'data' chunk, the format and sample data will be |
602 |
|
* loaded from there, otherwise default values will be used and those |
603 |
|
* chunks will be created when File::Save() will be called later on. |
604 |
|
* |
605 |
|
* @param pFile - pointer to DLS::File where this sample is |
606 |
|
* located (or will be located) |
607 |
|
* @param waveList - pointer to 'wave' list chunk which is (or |
608 |
|
* will be) associated with this sample |
609 |
|
* @param WavePoolOffset - offset of this sample data from wave pool |
610 |
|
* ('wvpl') list chunk |
611 |
|
*/ |
612 |
Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset) : Resource(pFile, waveList) { |
Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset) : Resource(pFile, waveList) { |
613 |
|
pWaveList = waveList; |
614 |
ulWavePoolOffset = WavePoolOffset - LIST_HEADER_SIZE; |
ulWavePoolOffset = WavePoolOffset - LIST_HEADER_SIZE; |
615 |
pCkFormat = waveList->GetSubChunk(CHUNK_ID_FMT); |
pCkFormat = waveList->GetSubChunk(CHUNK_ID_FMT); |
616 |
pCkData = waveList->GetSubChunk(CHUNK_ID_DATA); |
pCkData = waveList->GetSubChunk(CHUNK_ID_DATA); |
617 |
if (!pCkFormat || !pCkData) throw DLS::Exception("Mandatory chunks in wave list not found."); |
if (pCkFormat) { |
618 |
|
// common fields |
619 |
// common fields |
FormatTag = pCkFormat->ReadUint16(); |
620 |
FormatTag = pCkFormat->ReadUint16(); |
Channels = pCkFormat->ReadUint16(); |
621 |
Channels = pCkFormat->ReadUint16(); |
SamplesPerSecond = pCkFormat->ReadUint32(); |
622 |
SamplesPerSecond = pCkFormat->ReadUint32(); |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
623 |
AverageBytesPerSecond = pCkFormat->ReadUint32(); |
BlockAlign = pCkFormat->ReadUint16(); |
624 |
BlockAlign = pCkFormat->ReadUint16(); |
// PCM format specific |
625 |
|
if (FormatTag == DLS_WAVE_FORMAT_PCM) { |
626 |
// PCM format specific |
BitDepth = pCkFormat->ReadUint16(); |
627 |
if (FormatTag == WAVE_FORMAT_PCM) { |
FrameSize = (BitDepth / 8) * Channels; |
628 |
BitDepth = pCkFormat->ReadUint16(); |
} else { // unsupported sample data format |
629 |
FrameSize = (FormatTag == WAVE_FORMAT_PCM) ? (BitDepth / 8) * Channels |
BitDepth = 0; |
630 |
: 0; |
FrameSize = 0; |
631 |
SamplesTotal = (FormatTag == WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
} |
632 |
: 0; |
} else { // 'fmt' chunk missing |
633 |
} |
FormatTag = DLS_WAVE_FORMAT_PCM; |
634 |
else { |
BitDepth = 16; |
635 |
BitDepth = 0; |
Channels = 1; |
636 |
FrameSize = 0; |
SamplesPerSecond = 44100; |
637 |
SamplesTotal = 0; |
AverageBytesPerSecond = (BitDepth / 8) * SamplesPerSecond * Channels; |
638 |
|
FrameSize = (BitDepth / 8) * Channels; |
639 |
|
BlockAlign = FrameSize; |
640 |
} |
} |
641 |
|
SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize |
642 |
|
: 0 |
643 |
|
: 0; |
644 |
} |
} |
645 |
|
|
646 |
|
/** @brief Destructor. |
647 |
|
* |
648 |
|
* Removes RIFF chunks associated with this Sample and frees all |
649 |
|
* memory occupied by this sample. |
650 |
|
*/ |
651 |
|
Sample::~Sample() { |
652 |
|
RIFF::List* pParent = pWaveList->GetParent(); |
653 |
|
pParent->DeleteSubChunk(pWaveList); |
654 |
|
} |
655 |
|
|
656 |
|
/** @brief Load sample data into RAM. |
657 |
|
* |
658 |
|
* In case the respective 'data' chunk exists, the sample data will be |
659 |
|
* loaded into RAM (if not done already) and a pointer to the data in |
660 |
|
* RAM will be returned. If this is a new sample, you have to call |
661 |
|
* Resize() with the desired sample size to create the mandatory RIFF |
662 |
|
* chunk for the sample wave data. |
663 |
|
* |
664 |
|
* You can call LoadChunkData() again if you previously scheduled to |
665 |
|
* enlarge the sample data RIFF chunk with a Resize() call. In that case |
666 |
|
* the buffer will be enlarged to the new, scheduled size and you can |
667 |
|
* already place the sample wave data to the buffer and finally call |
668 |
|
* File::Save() to enlarge the sample data's chunk physically and write |
669 |
|
* the new sample wave data in one rush. This approach is definitely |
670 |
|
* recommended if you have to enlarge and write new sample data to a lot |
671 |
|
* of samples. |
672 |
|
* |
673 |
|
* <b>Caution:</b> the buffer pointer will be invalidated once |
674 |
|
* File::Save() was called. You have to call LoadChunkData() again to |
675 |
|
* get a new, valid pointer whenever File::Save() was called. |
676 |
|
* |
677 |
|
* @returns pointer to sample data in RAM, NULL in case respective |
678 |
|
* 'data' chunk does not exist (yet) |
679 |
|
* @throws Exception if data buffer could not be enlarged |
680 |
|
* @see Resize(), File::Save() |
681 |
|
*/ |
682 |
void* Sample::LoadSampleData() { |
void* Sample::LoadSampleData() { |
683 |
return pCkData->LoadChunkData(); |
return (pCkData) ? pCkData->LoadChunkData() : NULL; |
684 |
} |
} |
685 |
|
|
686 |
|
/** @brief Free sample data from RAM. |
687 |
|
* |
688 |
|
* In case sample data was previously successfully loaded into RAM with |
689 |
|
* LoadSampleData(), this method will free the sample data from RAM. |
690 |
|
*/ |
691 |
void Sample::ReleaseSampleData() { |
void Sample::ReleaseSampleData() { |
692 |
pCkData->ReleaseChunkData(); |
if (pCkData) pCkData->ReleaseChunkData(); |
693 |
|
} |
694 |
|
|
695 |
|
/** @brief Returns sample size. |
696 |
|
* |
697 |
|
* Returns the sample wave form's data size (in sample points). This is |
698 |
|
* actually the current, physical size (converted to sample points) of |
699 |
|
* the RIFF chunk which encapsulates the sample's wave data. The |
700 |
|
* returned value is dependant to the current FrameSize value. |
701 |
|
* |
702 |
|
* @returns number of sample points or 0 if FormatTag != DLS_WAVE_FORMAT_PCM |
703 |
|
* @see FrameSize, FormatTag |
704 |
|
*/ |
705 |
|
unsigned long Sample::GetSize() { |
706 |
|
if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; |
707 |
|
return (pCkData) ? pCkData->GetSize() / FrameSize : 0; |
708 |
|
} |
709 |
|
|
710 |
|
/** @brief Resize sample. |
711 |
|
* |
712 |
|
* Resizes the sample's wave form data, that is the actual size of |
713 |
|
* sample wave data possible to be written for this sample. This call |
714 |
|
* will return immediately and just schedule the resize operation. You |
715 |
|
* should call File::Save() to actually perform the resize operation(s) |
716 |
|
* "physically" to the file. As this can take a while on large files, it |
717 |
|
* is recommended to call Resize() first on all samples which have to be |
718 |
|
* resized and finally to call File::Save() to perform all those resize |
719 |
|
* operations in one rush. |
720 |
|
* |
721 |
|
* The actual size (in bytes) is dependant to the current FrameSize |
722 |
|
* value. You may want to set FrameSize before calling Resize(). |
723 |
|
* |
724 |
|
* <b>Caution:</b> You cannot directly write to enlarged samples before |
725 |
|
* calling File::Save() as this might exceed the current sample's |
726 |
|
* boundary! |
727 |
|
* |
728 |
|
* Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is |
729 |
|
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with |
730 |
|
* other formats will fail! |
731 |
|
* |
732 |
|
* @param iNewSize - new sample wave data size in sample points (must be |
733 |
|
* greater than zero) |
734 |
|
* @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM |
735 |
|
* @throws Exception if \a iNewSize is less than 1 |
736 |
|
* @see File::Save(), FrameSize, FormatTag |
737 |
|
*/ |
738 |
|
void Sample::Resize(int iNewSize) { |
739 |
|
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"); |
741 |
|
const int iSizeInBytes = iNewSize * FrameSize; |
742 |
|
pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA); |
743 |
|
if (pCkData) pCkData->Resize(iSizeInBytes); |
744 |
|
else pCkData = pWaveList->AddSubChunk(CHUNK_ID_DATA, iSizeInBytes); |
745 |
} |
} |
746 |
|
|
747 |
/** |
/** |
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 DLS_WAVE_FORMAT_PCM is currently supported, that is |
753 |
|
* FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample |
754 |
|
* 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 |
759 |
|
* FormatTag != DLS_WAVE_FORMAT_PCM |
760 |
|
* @throws Exception if no data RIFF chunk was created for the sample yet |
761 |
|
* @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"); |
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); |
768 |
return (result == orderedBytes) ? SampleCount |
return (result == orderedBytes) ? SampleCount |
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 |
|
|
786 |
|
/** @brief Write sample wave data. |
787 |
|
* |
788 |
|
* Writes \a SampleCount number of sample points from the buffer pointed |
789 |
|
* by \a pBuffer and increments the position within the sample. Use this |
790 |
|
* method to directly write the sample data to disk, i.e. if you don't |
791 |
|
* want or cannot load the whole sample data into RAM. |
792 |
|
* |
793 |
|
* You have to Resize() the sample to the desired size and call |
794 |
|
* File::Save() <b>before</b> using Write(). |
795 |
|
* |
796 |
|
* @param pBuffer - source buffer |
797 |
|
* @param SampleCount - number of sample points to write |
798 |
|
* @throws Exception if current sample size is too small |
799 |
|
* @see LoadSampleData() |
800 |
|
*/ |
801 |
|
unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) { |
802 |
|
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"); |
804 |
|
return pCkData->Write(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction? |
805 |
|
} |
806 |
|
|
807 |
|
/** |
808 |
|
* Apply sample and its settings to the respective RIFF chunks. You have |
809 |
|
* to call File::Save() to make changes persistent. |
810 |
|
* |
811 |
|
* @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data |
812 |
|
* was provided yet |
813 |
|
*/ |
814 |
|
void Sample::UpdateChunks() { |
815 |
|
if (FormatTag != DLS_WAVE_FORMAT_PCM) |
816 |
|
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 |
818 |
|
if (!pCkData) |
819 |
|
throw Exception("Could not save sample, there is no sample data to save"); |
820 |
|
// update chunks of base class as well |
821 |
|
Resource::UpdateChunks(); |
822 |
|
// make sure 'fmt' chunk exists |
823 |
|
RIFF::Chunk* pCkFormat = pWaveList->GetSubChunk(CHUNK_ID_FMT); |
824 |
|
if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format |
825 |
|
uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData(); |
826 |
|
// update 'fmt' chunk |
827 |
|
store16(&pData[0], FormatTag); |
828 |
|
store16(&pData[2], Channels); |
829 |
|
store32(&pData[4], SamplesPerSecond); |
830 |
|
store32(&pData[8], AverageBytesPerSecond); |
831 |
|
store16(&pData[12], BlockAlign); |
832 |
|
store16(&pData[14], BitDepth); // assuming PCM format |
833 |
|
} |
834 |
|
|
835 |
|
|
836 |
|
|
837 |
// *************** Region *************** |
// *************** Region *************** |
840 |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : Resource(pInstrument, rgnList), Articulator(rgnList), Sampler(rgnList) { |
Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : Resource(pInstrument, rgnList), Articulator(rgnList), Sampler(rgnList) { |
841 |
pCkRegion = rgnList; |
pCkRegion = rgnList; |
842 |
|
|
843 |
|
// articulation informations |
844 |
RIFF::Chunk* rgnh = rgnList->GetSubChunk(CHUNK_ID_RGNH); |
RIFF::Chunk* rgnh = rgnList->GetSubChunk(CHUNK_ID_RGNH); |
845 |
rgnh->Read(&KeyRange, 2, 2); |
if (rgnh) { |
846 |
rgnh->Read(&VelocityRange, 2, 2); |
rgnh->Read(&KeyRange, 2, 2); |
847 |
uint16_t optionflags = rgnh->ReadUint16(); |
rgnh->Read(&VelocityRange, 2, 2); |
848 |
SelfNonExclusive = optionflags & F_RGN_OPTION_SELFNONEXCLUSIVE; |
FormatOptionFlags = rgnh->ReadUint16(); |
849 |
KeyGroup = rgnh->ReadUint16(); |
KeyGroup = rgnh->ReadUint16(); |
850 |
// Layer is optional |
// Layer is optional |
851 |
if (rgnh->RemainingBytes() >= sizeof(uint16_t)) { |
if (rgnh->RemainingBytes() >= sizeof(uint16_t)) { |
852 |
rgnh->Read(&Layer, 1, sizeof(uint16_t)); |
rgnh->Read(&Layer, 1, sizeof(uint16_t)); |
853 |
|
} else Layer = 0; |
854 |
|
} else { // 'rgnh' chunk is missing |
855 |
|
KeyRange.low = 0; |
856 |
|
KeyRange.high = 127; |
857 |
|
VelocityRange.low = 0; |
858 |
|
VelocityRange.high = 127; |
859 |
|
FormatOptionFlags = F_RGN_OPTION_SELFNONEXCLUSIVE; |
860 |
|
KeyGroup = 0; |
861 |
|
Layer = 0; |
862 |
} |
} |
863 |
else Layer = 0; |
SelfNonExclusive = FormatOptionFlags & F_RGN_OPTION_SELFNONEXCLUSIVE; |
864 |
|
|
865 |
|
// sample informations |
866 |
RIFF::Chunk* wlnk = rgnList->GetSubChunk(CHUNK_ID_WLNK); |
RIFF::Chunk* wlnk = rgnList->GetSubChunk(CHUNK_ID_WLNK); |
867 |
optionflags = wlnk->ReadUint16(); |
if (wlnk) { |
868 |
PhaseMaster = optionflags & F_WAVELINK_PHASE_MASTER; |
WaveLinkOptionFlags = wlnk->ReadUint16(); |
869 |
MultiChannel = optionflags & F_WAVELINK_MULTICHANNEL; |
PhaseGroup = wlnk->ReadUint16(); |
870 |
PhaseGroup = wlnk->ReadUint16(); |
Channel = wlnk->ReadUint32(); |
871 |
Channel = wlnk->ReadUint32(); |
WavePoolTableIndex = wlnk->ReadUint32(); |
872 |
WavePoolTableIndex = wlnk->ReadUint32(); |
} else { // 'wlnk' chunk is missing |
873 |
|
WaveLinkOptionFlags = 0; |
874 |
|
PhaseGroup = 0; |
875 |
|
Channel = 0; // mono |
876 |
|
WavePoolTableIndex = 0; // first entry in wave pool table |
877 |
|
} |
878 |
|
PhaseMaster = WaveLinkOptionFlags & F_WAVELINK_PHASE_MASTER; |
879 |
|
MultiChannel = WaveLinkOptionFlags & F_WAVELINK_MULTICHANNEL; |
880 |
|
|
881 |
pSample = NULL; |
pSample = NULL; |
882 |
} |
} |
883 |
|
|
884 |
|
/** @brief Destructor. |
885 |
|
* |
886 |
|
* Removes RIFF chunks associated with this Region. |
887 |
|
*/ |
888 |
Region::~Region() { |
Region::~Region() { |
889 |
|
RIFF::List* pParent = pCkRegion->GetParent(); |
890 |
|
pParent->DeleteSubChunk(pCkRegion); |
891 |
} |
} |
892 |
|
|
893 |
Sample* Region::GetSample() { |
Sample* Region::GetSample() { |
902 |
return NULL; |
return NULL; |
903 |
} |
} |
904 |
|
|
905 |
|
/** |
906 |
|
* Assign another sample to this Region. |
907 |
|
* |
908 |
|
* @param pSample - sample to be assigned |
909 |
|
*/ |
910 |
|
void Region::SetSample(Sample* pSample) { |
911 |
|
this->pSample = pSample; |
912 |
|
WavePoolTableIndex = 0; // we update this offset when we Save() |
913 |
|
} |
914 |
|
|
915 |
|
/** |
916 |
|
* Apply Region settings to the respective RIFF chunks. You have to |
917 |
|
* call File::Save() to make changes persistent. |
918 |
|
* |
919 |
|
* @throws Exception - if the Region's sample could not be found |
920 |
|
*/ |
921 |
|
void Region::UpdateChunks() { |
922 |
|
// make sure 'rgnh' chunk exists |
923 |
|
RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH); |
924 |
|
if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, Layer ? 14 : 12); |
925 |
|
uint8_t* pData = (uint8_t*) rgnh->LoadChunkData(); |
926 |
|
FormatOptionFlags = (SelfNonExclusive) |
927 |
|
? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE |
928 |
|
: FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE); |
929 |
|
// update 'rgnh' chunk |
930 |
|
store16(&pData[0], KeyRange.low); |
931 |
|
store16(&pData[2], KeyRange.high); |
932 |
|
store16(&pData[4], VelocityRange.low); |
933 |
|
store16(&pData[6], VelocityRange.high); |
934 |
|
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, |
939 |
|
// as a rgn doesn't seem to have dlid and INFO chunks) |
940 |
|
Articulator::UpdateChunks(); |
941 |
|
Sampler::UpdateChunks(); |
942 |
|
|
943 |
|
// make sure 'wlnk' chunk exists |
944 |
|
RIFF::Chunk* wlnk = pCkRegion->GetSubChunk(CHUNK_ID_WLNK); |
945 |
|
if (!wlnk) wlnk = pCkRegion->AddSubChunk(CHUNK_ID_WLNK, 12); |
946 |
|
pData = (uint8_t*) wlnk->LoadChunkData(); |
947 |
|
WaveLinkOptionFlags = (PhaseMaster) |
948 |
|
? WaveLinkOptionFlags | F_WAVELINK_PHASE_MASTER |
949 |
|
: WaveLinkOptionFlags & (~F_WAVELINK_PHASE_MASTER); |
950 |
|
WaveLinkOptionFlags = (MultiChannel) |
951 |
|
? WaveLinkOptionFlags | F_WAVELINK_MULTICHANNEL |
952 |
|
: WaveLinkOptionFlags & (~F_WAVELINK_MULTICHANNEL); |
953 |
|
// get sample's wave pool table index |
954 |
|
int index = -1; |
955 |
|
File* pFile = (File*) GetParent()->GetParent(); |
956 |
|
if (pFile->pSamples) { |
957 |
|
File::SampleList::iterator iter = pFile->pSamples->begin(); |
958 |
|
File::SampleList::iterator end = pFile->pSamples->end(); |
959 |
|
for (int i = 0; iter != end; ++iter, i++) { |
960 |
|
if (*iter == pSample) { |
961 |
|
index = i; |
962 |
|
break; |
963 |
|
} |
964 |
|
} |
965 |
|
} |
966 |
|
if (index < 0) throw Exception("Could not save Region, could not find Region's sample"); |
967 |
|
WavePoolTableIndex = index; |
968 |
|
// update 'wlnk' chunk |
969 |
|
store16(&pData[0], WaveLinkOptionFlags); |
970 |
|
store16(&pData[2], PhaseGroup); |
971 |
|
store32(&pData[4], Channel); |
972 |
|
store32(&pData[8], WavePoolTableIndex); |
973 |
|
} |
974 |
|
|
975 |
|
|
976 |
|
|
977 |
// *************** Instrument *************** |
// *************** Instrument *************** |
978 |
// * |
// * |
979 |
|
|
980 |
|
/** @brief Constructor. |
981 |
|
* |
982 |
|
* Load an existing instrument definition or create a new one. An 'ins' |
983 |
|
* list chunk must be given to this constructor. In case this 'ins' list |
984 |
|
* chunk contains a 'insh' chunk, the instrument data fields will be |
985 |
|
* loaded from there, otherwise default values will be used and the |
986 |
|
* 'insh' chunk will be created once File::Save() was called. |
987 |
|
* |
988 |
|
* @param pFile - pointer to DLS::File where this instrument is |
989 |
|
* located (or will be located) |
990 |
|
* @param insList - pointer to 'ins' list chunk which is (or will be) |
991 |
|
* associated with this instrument |
992 |
|
*/ |
993 |
Instrument::Instrument(File* pFile, RIFF::List* insList) : Resource(pFile, insList), Articulator(insList) { |
Instrument::Instrument(File* pFile, RIFF::List* insList) : Resource(pFile, insList), Articulator(insList) { |
994 |
pCkInstrument = insList; |
pCkInstrument = insList; |
995 |
|
|
|
RIFF::Chunk* insh = pCkInstrument->GetSubChunk(CHUNK_ID_INSH); |
|
|
if (!insh) throw DLS::Exception("Mandatory chunks in <lins> list chunk not found."); |
|
|
Regions = insh->ReadUint32(); |
|
996 |
midi_locale_t locale; |
midi_locale_t locale; |
997 |
insh->Read(&locale, 2, 4); |
RIFF::Chunk* insh = pCkInstrument->GetSubChunk(CHUNK_ID_INSH); |
998 |
|
if (insh) { |
999 |
|
Regions = insh->ReadUint32(); |
1000 |
|
insh->Read(&locale, 2, 4); |
1001 |
|
} else { // 'insh' chunk missing |
1002 |
|
Regions = 0; |
1003 |
|
locale.bank = 0; |
1004 |
|
locale.instrument = 0; |
1005 |
|
} |
1006 |
|
|
1007 |
MIDIProgram = locale.instrument; |
MIDIProgram = locale.instrument; |
1008 |
IsDrum = locale.bank & DRUM_TYPE_MASK; |
IsDrum = locale.bank & DRUM_TYPE_MASK; |
1009 |
MIDIBankCoarse = (uint8_t) MIDI_BANK_COARSE(locale.bank); |
MIDIBankCoarse = (uint8_t) MIDI_BANK_COARSE(locale.bank); |
1010 |
MIDIBankFine = (uint8_t) MIDI_BANK_FINE(locale.bank); |
MIDIBankFine = (uint8_t) MIDI_BANK_FINE(locale.bank); |
1011 |
MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); |
MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); |
1012 |
|
|
1013 |
pRegions = NULL; |
pRegions = NULL; |
1014 |
} |
} |
1015 |
|
|
1016 |
Region* Instrument::GetFirstRegion() { |
Region* Instrument::GetFirstRegion() { |
1027 |
} |
} |
1028 |
|
|
1029 |
void Instrument::LoadRegions() { |
void Instrument::LoadRegions() { |
1030 |
|
if (!pRegions) pRegions = new RegionList; |
1031 |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1032 |
if (!lrgn) throw DLS::Exception("Mandatory chunks in <ins > chunk not found."); |
if (lrgn) { |
1033 |
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 |
1034 |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
RIFF::List* rgn = lrgn->GetFirstSubList(); |
1035 |
while (rgn) { |
while (rgn) { |
1036 |
if (rgn->GetListType() == regionCkType) { |
if (rgn->GetListType() == regionCkType) { |
1037 |
if (!pRegions) pRegions = new RegionList; |
pRegions->push_back(new Region(this, rgn)); |
1038 |
pRegions->push_back(new Region(this, rgn)); |
} |
1039 |
|
rgn = lrgn->GetNextSubList(); |
1040 |
} |
} |
|
rgn = lrgn->GetNextSubList(); |
|
1041 |
} |
} |
1042 |
} |
} |
1043 |
|
|
1044 |
|
Region* Instrument::AddRegion() { |
1045 |
|
if (!pRegions) LoadRegions(); |
1046 |
|
RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN); |
1047 |
|
if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN); |
1048 |
|
RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN); |
1049 |
|
Region* pNewRegion = new Region(this, rgn); |
1050 |
|
pRegions->push_back(pNewRegion); |
1051 |
|
Regions = pRegions->size(); |
1052 |
|
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) { |
1065 |
|
if (!pRegions) return; |
1066 |
|
RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion); |
1067 |
|
if (iter == pRegions->end()) return; |
1068 |
|
pRegions->erase(iter); |
1069 |
|
Regions = pRegions->size(); |
1070 |
|
delete pRegion; |
1071 |
|
} |
1072 |
|
|
1073 |
|
/** |
1074 |
|
* Apply Instrument with all its Regions to the respective RIFF chunks. |
1075 |
|
* You have to call File::Save() to make changes persistent. |
1076 |
|
* |
1077 |
|
* @throws Exception - on errors |
1078 |
|
*/ |
1079 |
|
void Instrument::UpdateChunks() { |
1080 |
|
// first update base classes' chunks |
1081 |
|
Resource::UpdateChunks(); |
1082 |
|
Articulator::UpdateChunks(); |
1083 |
|
// make sure 'insh' chunk exists |
1084 |
|
RIFF::Chunk* insh = pCkInstrument->GetSubChunk(CHUNK_ID_INSH); |
1085 |
|
if (!insh) insh = pCkInstrument->AddSubChunk(CHUNK_ID_INSH, 12); |
1086 |
|
uint8_t* pData = (uint8_t*) insh->LoadChunkData(); |
1087 |
|
// update 'insh' chunk |
1088 |
|
Regions = (pRegions) ? pRegions->size() : 0; |
1089 |
|
midi_locale_t locale; |
1090 |
|
locale.instrument = MIDIProgram; |
1091 |
|
locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine); |
1092 |
|
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 |
1094 |
|
store32(&pData[0], Regions); |
1095 |
|
store32(&pData[4], locale.bank); |
1096 |
|
store32(&pData[8], locale.instrument); |
1097 |
|
// update Region's chunks |
1098 |
|
if (!pRegions) return; |
1099 |
|
RegionList::iterator iter = pRegions->begin(); |
1100 |
|
RegionList::iterator end = pRegions->end(); |
1101 |
|
for (; iter != end; ++iter) { |
1102 |
|
(*iter)->UpdateChunks(); |
1103 |
|
} |
1104 |
|
} |
1105 |
|
|
1106 |
|
/** @brief Destructor. |
1107 |
|
* |
1108 |
|
* Removes RIFF chunks associated with this Instrument and frees all |
1109 |
|
* memory occupied by this instrument. |
1110 |
|
*/ |
1111 |
Instrument::~Instrument() { |
Instrument::~Instrument() { |
1112 |
if (pRegions) { |
if (pRegions) { |
1113 |
RegionList::iterator iter = pRegions->begin(); |
RegionList::iterator iter = pRegions->begin(); |
1118 |
} |
} |
1119 |
delete pRegions; |
delete pRegions; |
1120 |
} |
} |
1121 |
|
// remove instrument's chunks |
1122 |
|
RIFF::List* pParent = pCkInstrument->GetParent(); |
1123 |
|
pParent->DeleteSubChunk(pCkInstrument); |
1124 |
} |
} |
1125 |
|
|
1126 |
|
|
1128 |
// *************** File *************** |
// *************** File *************** |
1129 |
// * |
// * |
1130 |
|
|
1131 |
|
/** @brief Constructor. |
1132 |
|
* |
1133 |
|
* Default constructor, use this to create an empty DLS file. You have |
1134 |
|
* to add samples, instruments and finally call Save() to actually write |
1135 |
|
* a DLS file. |
1136 |
|
*/ |
1137 |
|
File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) { |
1138 |
|
pRIFF->SetByteOrder(RIFF::endian_little); |
1139 |
|
pVersion = new version_t; |
1140 |
|
pVersion->major = 0; |
1141 |
|
pVersion->minor = 0; |
1142 |
|
pVersion->release = 0; |
1143 |
|
pVersion->build = 0; |
1144 |
|
|
1145 |
|
Instruments = 0; |
1146 |
|
WavePoolCount = 0; |
1147 |
|
pWavePoolTable = NULL; |
1148 |
|
pWavePoolTableHi = NULL; |
1149 |
|
WavePoolHeaderSize = 8; |
1150 |
|
|
1151 |
|
pSamples = NULL; |
1152 |
|
pInstruments = NULL; |
1153 |
|
|
1154 |
|
b64BitWavePoolOffsets = false; |
1155 |
|
} |
1156 |
|
|
1157 |
|
/** @brief Constructor. |
1158 |
|
* |
1159 |
|
* Load an existing DLS file. |
1160 |
|
* |
1161 |
|
* @param pRIFF - pointer to a RIFF file which is actually the DLS file |
1162 |
|
* to load |
1163 |
|
* @throws Exception if given file is not a DLS file, expected chunks |
1164 |
|
* are missing |
1165 |
|
*/ |
1166 |
File::File(RIFF::File* pRIFF) : Resource(NULL, pRIFF) { |
File::File(RIFF::File* pRIFF) : Resource(NULL, pRIFF) { |
1167 |
if (!pRIFF) throw DLS::Exception("NULL pointer reference to RIFF::File object."); |
if (!pRIFF) throw DLS::Exception("NULL pointer reference to RIFF::File object."); |
1168 |
this->pRIFF = pRIFF; |
this->pRIFF = pRIFF; |
1179 |
Instruments = colh->ReadUint32(); |
Instruments = colh->ReadUint32(); |
1180 |
|
|
1181 |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1182 |
if (!ptbl) throw DLS::Exception("Mandatory <ptbl> chunk not found."); |
if (!ptbl) { // pool table is missing - this is probably an ".art" file |
1183 |
uint32_t headersize = ptbl->ReadUint32(); |
WavePoolCount = 0; |
1184 |
WavePoolCount = ptbl->ReadUint32(); |
pWavePoolTable = NULL; |
1185 |
pWavePoolTable = new uint32_t[WavePoolCount]; |
pWavePoolTableHi = NULL; |
1186 |
ptbl->SetPos(headersize); |
WavePoolHeaderSize = 8; |
1187 |
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
b64BitWavePoolOffsets = false; |
1188 |
|
} else { |
1189 |
|
WavePoolHeaderSize = ptbl->ReadUint32(); |
1190 |
|
WavePoolCount = ptbl->ReadUint32(); |
1191 |
|
pWavePoolTable = new uint32_t[WavePoolCount]; |
1192 |
|
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
1193 |
|
ptbl->SetPos(WavePoolHeaderSize); |
1194 |
|
|
1195 |
|
// Check for 64 bit offsets (used in gig v3 files) |
1196 |
|
b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8); |
1197 |
|
if (b64BitWavePoolOffsets) { |
1198 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
1199 |
|
pWavePoolTableHi[i] = ptbl->ReadUint32(); |
1200 |
|
pWavePoolTable[i] = ptbl->ReadUint32(); |
1201 |
|
if (pWavePoolTable[i] & 0x80000000) |
1202 |
|
throw DLS::Exception("Files larger than 2 GB not yet supported"); |
1203 |
|
} |
1204 |
|
} else { // conventional 32 bit offsets |
1205 |
|
ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t)); |
1206 |
|
for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0; |
1207 |
|
} |
1208 |
|
} |
1209 |
|
|
1210 |
pSamples = NULL; |
pSamples = NULL; |
1211 |
pInstruments = NULL; |
pInstruments = NULL; |
|
Instruments = 0; |
|
1212 |
} |
} |
1213 |
|
|
1214 |
File::~File() { |
File::~File() { |
1233 |
} |
} |
1234 |
|
|
1235 |
if (pWavePoolTable) delete[] pWavePoolTable; |
if (pWavePoolTable) delete[] pWavePoolTable; |
1236 |
|
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
1237 |
if (pVersion) delete pVersion; |
if (pVersion) delete pVersion; |
1238 |
|
for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++) |
1239 |
|
delete *i; |
1240 |
} |
} |
1241 |
|
|
1242 |
Sample* File::GetFirstSample() { |
Sample* File::GetFirstSample() { |
1253 |
} |
} |
1254 |
|
|
1255 |
void File::LoadSamples() { |
void File::LoadSamples() { |
1256 |
|
if (!pSamples) pSamples = new SampleList; |
1257 |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1258 |
if (wvpl) { |
if (wvpl) { |
1259 |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
unsigned long wvplFileOffset = wvpl->GetFilePos(); |
1260 |
RIFF::List* wave = wvpl->GetFirstSubList(); |
RIFF::List* wave = wvpl->GetFirstSubList(); |
1261 |
while (wave) { |
while (wave) { |
1262 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
if (!pSamples) pSamples = new SampleList; |
|
1263 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1264 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset)); |
1265 |
} |
} |
1273 |
RIFF::List* wave = dwpl->GetFirstSubList(); |
RIFF::List* wave = dwpl->GetFirstSubList(); |
1274 |
while (wave) { |
while (wave) { |
1275 |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
if (wave->GetListType() == LIST_TYPE_WAVE) { |
|
if (!pSamples) pSamples = new SampleList; |
|
1276 |
unsigned long waveFileOffset = wave->GetFilePos(); |
unsigned long waveFileOffset = wave->GetFilePos(); |
1277 |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset)); |
1278 |
} |
} |
1282 |
} |
} |
1283 |
} |
} |
1284 |
|
|
1285 |
|
/** @brief Add a new sample. |
1286 |
|
* |
1287 |
|
* This will create a new Sample object for the DLS file. You have to |
1288 |
|
* call Save() to make this persistent to the file. |
1289 |
|
* |
1290 |
|
* @returns pointer to new Sample object |
1291 |
|
*/ |
1292 |
|
Sample* File::AddSample() { |
1293 |
|
if (!pSamples) LoadSamples(); |
1294 |
|
__ensureMandatoryChunksExist(); |
1295 |
|
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1296 |
|
// create new Sample object and its respective 'wave' list chunk |
1297 |
|
RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE); |
1298 |
|
Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/); |
1299 |
|
pSamples->push_back(pSample); |
1300 |
|
return pSample; |
1301 |
|
} |
1302 |
|
|
1303 |
|
/** @brief Delete a sample. |
1304 |
|
* |
1305 |
|
* This will delete the given Sample object from the DLS file. You have |
1306 |
|
* to call Save() to make this persistent to the file. |
1307 |
|
* |
1308 |
|
* @param pSample - sample to delete |
1309 |
|
*/ |
1310 |
|
void File::DeleteSample(Sample* pSample) { |
1311 |
|
if (!pSamples) return; |
1312 |
|
SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), pSample); |
1313 |
|
if (iter == pSamples->end()) return; |
1314 |
|
pSamples->erase(iter); |
1315 |
|
delete pSample; |
1316 |
|
} |
1317 |
|
|
1318 |
Instrument* File::GetFirstInstrument() { |
Instrument* File::GetFirstInstrument() { |
1319 |
if (!pInstruments) LoadInstruments(); |
if (!pInstruments) LoadInstruments(); |
1320 |
if (!pInstruments) return NULL; |
if (!pInstruments) return NULL; |
1329 |
} |
} |
1330 |
|
|
1331 |
void File::LoadInstruments() { |
void File::LoadInstruments() { |
1332 |
|
if (!pInstruments) pInstruments = new InstrumentList; |
1333 |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1334 |
if (lstInstruments) { |
if (lstInstruments) { |
1335 |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
RIFF::List* lstInstr = lstInstruments->GetFirstSubList(); |
1336 |
while (lstInstr) { |
while (lstInstr) { |
1337 |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
if (lstInstr->GetListType() == LIST_TYPE_INS) { |
|
if (!pInstruments) pInstruments = new InstrumentList; |
|
1338 |
pInstruments->push_back(new Instrument(this, lstInstr)); |
pInstruments->push_back(new Instrument(this, lstInstr)); |
1339 |
} |
} |
1340 |
lstInstr = lstInstruments->GetNextSubList(); |
lstInstr = lstInstruments->GetNextSubList(); |
1342 |
} |
} |
1343 |
} |
} |
1344 |
|
|
1345 |
|
/** @brief Add a new instrument definition. |
1346 |
|
* |
1347 |
|
* This will create a new Instrument object for the DLS file. You have |
1348 |
|
* to call Save() to make this persistent to the file. |
1349 |
|
* |
1350 |
|
* @returns pointer to new Instrument object |
1351 |
|
*/ |
1352 |
|
Instrument* File::AddInstrument() { |
1353 |
|
if (!pInstruments) LoadInstruments(); |
1354 |
|
__ensureMandatoryChunksExist(); |
1355 |
|
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1356 |
|
RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS); |
1357 |
|
Instrument* pInstrument = new Instrument(this, lstInstr); |
1358 |
|
pInstruments->push_back(pInstrument); |
1359 |
|
return pInstrument; |
1360 |
|
} |
1361 |
|
|
1362 |
|
/** @brief Delete an instrument. |
1363 |
|
* |
1364 |
|
* This will delete the given Instrument object from the DLS file. You |
1365 |
|
* have to call Save() to make this persistent to the file. |
1366 |
|
* |
1367 |
|
* @param pInstrument - instrument to delete |
1368 |
|
*/ |
1369 |
|
void File::DeleteInstrument(Instrument* pInstrument) { |
1370 |
|
if (!pInstruments) return; |
1371 |
|
InstrumentList::iterator iter = find(pInstruments->begin(), pInstruments->end(), pInstrument); |
1372 |
|
if (iter == pInstruments->end()) return; |
1373 |
|
pInstruments->erase(iter); |
1374 |
|
delete pInstrument; |
1375 |
|
} |
1376 |
|
|
1377 |
|
/** |
1378 |
|
* Apply all the DLS file's current instruments, samples and settings to |
1379 |
|
* the respective RIFF chunks. You have to call Save() to make changes |
1380 |
|
* persistent. |
1381 |
|
* |
1382 |
|
* @throws Exception - on errors |
1383 |
|
*/ |
1384 |
|
void File::UpdateChunks() { |
1385 |
|
// first update base class's chunks |
1386 |
|
Resource::UpdateChunks(); |
1387 |
|
|
1388 |
|
// if version struct exists, update 'vers' chunk |
1389 |
|
if (pVersion) { |
1390 |
|
RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS); |
1391 |
|
if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8); |
1392 |
|
uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData(); |
1393 |
|
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 |
1400 |
|
Instruments = (pInstruments) ? pInstruments->size() : 0; |
1401 |
|
RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH); |
1402 |
|
if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4); |
1403 |
|
uint8_t* pData = (uint8_t*) colh->LoadChunkData(); |
1404 |
|
store32(pData, Instruments); |
1405 |
|
|
1406 |
|
// update instrument's chunks |
1407 |
|
if (pInstruments) { |
1408 |
|
InstrumentList::iterator iter = pInstruments->begin(); |
1409 |
|
InstrumentList::iterator end = pInstruments->end(); |
1410 |
|
for (; iter != end; ++iter) { |
1411 |
|
(*iter)->UpdateChunks(); |
1412 |
|
} |
1413 |
|
} |
1414 |
|
|
1415 |
|
// update 'ptbl' chunk |
1416 |
|
const int iSamples = (pSamples) ? pSamples->size() : 0; |
1417 |
|
const int iPtblOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
1418 |
|
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1419 |
|
if (!ptbl) ptbl = pRIFF->AddSubChunk(CHUNK_ID_PTBL, 1 /*anything, we'll resize*/); |
1420 |
|
const int iPtblSize = WavePoolHeaderSize + iPtblOffsetSize * iSamples; |
1421 |
|
ptbl->Resize(iPtblSize); |
1422 |
|
pData = (uint8_t*) ptbl->LoadChunkData(); |
1423 |
|
WavePoolCount = iSamples; |
1424 |
|
store32(&pData[4], WavePoolCount); |
1425 |
|
// we actually update the sample offsets in the pool table when we Save() |
1426 |
|
memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize); |
1427 |
|
|
1428 |
|
// update sample's chunks |
1429 |
|
if (pSamples) { |
1430 |
|
SampleList::iterator iter = pSamples->begin(); |
1431 |
|
SampleList::iterator end = pSamples->end(); |
1432 |
|
for (; iter != end; ++iter) { |
1433 |
|
(*iter)->UpdateChunks(); |
1434 |
|
} |
1435 |
|
} |
1436 |
|
} |
1437 |
|
|
1438 |
|
/** @brief Save changes to another file. |
1439 |
|
* |
1440 |
|
* Make all changes persistent by writing them to another file. |
1441 |
|
* <b>Caution:</b> this method is optimized for writing to |
1442 |
|
* <b>another</b> file, do not use it to save the changes to the same |
1443 |
|
* file! Use Save() (without path argument) in that case instead! |
1444 |
|
* Ignoring this might result in a corrupted file! |
1445 |
|
* |
1446 |
|
* After calling this method, this File object will be associated with |
1447 |
|
* the new file (given by \a Path) afterwards. |
1448 |
|
* |
1449 |
|
* @param Path - path and file name where everything should be written to |
1450 |
|
*/ |
1451 |
|
void File::Save(const String& Path) { |
1452 |
|
UpdateChunks(); |
1453 |
|
pRIFF->Save(Path); |
1454 |
|
__UpdateWavePoolTableChunk(); |
1455 |
|
} |
1456 |
|
|
1457 |
|
/** @brief Save changes to same file. |
1458 |
|
* |
1459 |
|
* Make all changes persistent by writing them to the actual (same) |
1460 |
|
* file. The file might temporarily grow to a higher size than it will |
1461 |
|
* have at the end of the saving process. |
1462 |
|
* |
1463 |
|
* @throws RIFF::Exception if any kind of IO error occured |
1464 |
|
* @throws DLS::Exception if any kind of DLS specific error occured |
1465 |
|
*/ |
1466 |
|
void File::Save() { |
1467 |
|
UpdateChunks(); |
1468 |
|
pRIFF->Save(); |
1469 |
|
__UpdateWavePoolTableChunk(); |
1470 |
|
} |
1471 |
|
|
1472 |
|
/** |
1473 |
|
* Checks if all (for DLS) mandatory chunks exist, if not they will be |
1474 |
|
* created. Note that those chunks will not be made persistent until |
1475 |
|
* Save() was called. |
1476 |
|
*/ |
1477 |
|
void File::__ensureMandatoryChunksExist() { |
1478 |
|
// enusre 'lins' list chunk exists (mandatory for instrument definitions) |
1479 |
|
RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS); |
1480 |
|
if (!lstInstruments) pRIFF->AddSubList(LIST_TYPE_LINS); |
1481 |
|
// ensure 'ptbl' chunk exists (mandatory for samples) |
1482 |
|
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1483 |
|
if (!ptbl) { |
1484 |
|
const int iOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
1485 |
|
ptbl = pRIFF->AddSubChunk(CHUNK_ID_PTBL, WavePoolHeaderSize + iOffsetSize); |
1486 |
|
} |
1487 |
|
// enusre 'wvpl' list chunk exists (mandatory for samples) |
1488 |
|
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1489 |
|
if (!wvpl) pRIFF->AddSubList(LIST_TYPE_WVPL); |
1490 |
|
} |
1491 |
|
|
1492 |
|
/** |
1493 |
|
* Updates (persistently) the wave pool table with offsets to all |
1494 |
|
* currently available samples. <b>Caution:</b> this method assumes the |
1495 |
|
* 'ptbl' chunk to be already of the correct size and the file to be |
1496 |
|
* writable, so usually this method is only called after a Save() call. |
1497 |
|
* |
1498 |
|
* @throws Exception - if 'ptbl' chunk is too small (should only occur |
1499 |
|
* if there's a bug) |
1500 |
|
*/ |
1501 |
|
void File::__UpdateWavePoolTableChunk() { |
1502 |
|
__UpdateWavePoolTable(); |
1503 |
|
RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL); |
1504 |
|
const int iOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4; |
1505 |
|
// check if 'ptbl' chunk is large enough |
1506 |
|
WavePoolCount = (pSamples) ? pSamples->size() : 0; |
1507 |
|
const unsigned long ulRequiredSize = WavePoolHeaderSize + iOffsetSize * WavePoolCount; |
1508 |
|
if (ptbl->GetSize() < ulRequiredSize) throw Exception("Fatal error, 'ptbl' chunk too small"); |
1509 |
|
// save the 'ptbl' chunk's current read/write position |
1510 |
|
unsigned long ulOriginalPos = ptbl->GetPos(); |
1511 |
|
// update headers |
1512 |
|
ptbl->SetPos(0); |
1513 |
|
uint32_t tmp = WavePoolHeaderSize; |
1514 |
|
ptbl->WriteUint32(&tmp); |
1515 |
|
tmp = WavePoolCount; |
1516 |
|
ptbl->WriteUint32(&tmp); |
1517 |
|
// update offsets |
1518 |
|
ptbl->SetPos(WavePoolHeaderSize); |
1519 |
|
if (b64BitWavePoolOffsets) { |
1520 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
1521 |
|
tmp = pWavePoolTableHi[i]; |
1522 |
|
ptbl->WriteUint32(&tmp); |
1523 |
|
tmp = pWavePoolTable[i]; |
1524 |
|
ptbl->WriteUint32(&tmp); |
1525 |
|
} |
1526 |
|
} else { // conventional 32 bit offsets |
1527 |
|
for (int i = 0 ; i < WavePoolCount ; i++) { |
1528 |
|
tmp = pWavePoolTable[i]; |
1529 |
|
ptbl->WriteUint32(&tmp); |
1530 |
|
} |
1531 |
|
} |
1532 |
|
// restore 'ptbl' chunk's original read/write position |
1533 |
|
ptbl->SetPos(ulOriginalPos); |
1534 |
|
} |
1535 |
|
|
1536 |
|
/** |
1537 |
|
* Updates the wave pool table with offsets to all currently available |
1538 |
|
* samples. <b>Caution:</b> this method assumes the 'wvpl' list chunk |
1539 |
|
* exists already. |
1540 |
|
*/ |
1541 |
|
void File::__UpdateWavePoolTable() { |
1542 |
|
WavePoolCount = (pSamples) ? pSamples->size() : 0; |
1543 |
|
// resize wave pool table arrays |
1544 |
|
if (pWavePoolTable) delete[] pWavePoolTable; |
1545 |
|
if (pWavePoolTableHi) delete[] pWavePoolTableHi; |
1546 |
|
pWavePoolTable = new uint32_t[WavePoolCount]; |
1547 |
|
pWavePoolTableHi = new uint32_t[WavePoolCount]; |
1548 |
|
if (!pSamples) return; |
1549 |
|
// update offsets int wave pool table |
1550 |
|
RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL); |
1551 |
|
uint64_t wvplFileOffset = wvpl->GetFilePos(); |
1552 |
|
if (b64BitWavePoolOffsets) { |
1553 |
|
SampleList::iterator iter = pSamples->begin(); |
1554 |
|
SampleList::iterator end = pSamples->end(); |
1555 |
|
for (int i = 0 ; iter != end ; ++iter, i++) { |
1556 |
|
uint64_t _64BitOffset = (*iter)->pWaveList->GetFilePos() - wvplFileOffset - LIST_HEADER_SIZE; |
1557 |
|
(*iter)->ulWavePoolOffset = _64BitOffset; |
1558 |
|
pWavePoolTableHi[i] = (uint32_t) (_64BitOffset >> 32); |
1559 |
|
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
1560 |
|
} |
1561 |
|
} else { // conventional 32 bit offsets |
1562 |
|
SampleList::iterator iter = pSamples->begin(); |
1563 |
|
SampleList::iterator end = pSamples->end(); |
1564 |
|
for (int i = 0 ; iter != end ; ++iter, i++) { |
1565 |
|
uint64_t _64BitOffset = (*iter)->pWaveList->GetFilePos() - wvplFileOffset - LIST_HEADER_SIZE; |
1566 |
|
(*iter)->ulWavePoolOffset = _64BitOffset; |
1567 |
|
pWavePoolTable[i] = (uint32_t) _64BitOffset; |
1568 |
|
} |
1569 |
|
} |
1570 |
|
} |
1571 |
|
|
1572 |
|
|
1573 |
|
|
1574 |
// *************** Exception *************** |
// *************** Exception *************** |
1581 |
std::cout << "DLS::Exception: " << Message << std::endl; |
std::cout << "DLS::Exception: " << Message << std::endl; |
1582 |
} |
} |
1583 |
|
|
1584 |
|
|
1585 |
|
// *************** functions *************** |
1586 |
|
// * |
1587 |
|
|
1588 |
|
/** |
1589 |
|
* Returns the name of this C++ library. This is usually "libgig" of |
1590 |
|
* course. This call is equivalent to RIFF::libraryName() and |
1591 |
|
* gig::libraryName(). |
1592 |
|
*/ |
1593 |
|
String libraryName() { |
1594 |
|
return PACKAGE; |
1595 |
|
} |
1596 |
|
|
1597 |
|
/** |
1598 |
|
* Returns version of this C++ library. This call is equivalent to |
1599 |
|
* RIFF::libraryVersion() and gig::libraryVersion(). |
1600 |
|
*/ |
1601 |
|
String libraryVersion() { |
1602 |
|
return VERSION; |
1603 |
|
} |
1604 |
|
|
1605 |
} // namespace DLS |
} // namespace DLS |