/[svn]/libgig/trunk/src/DLS.cpp
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Annotation of /libgig/trunk/src/DLS.cpp

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1 schoenebeck 2 /***************************************************************************
2     * *
3 schoenebeck 933 * libgig - C++ cross-platform Gigasampler format file access library *
4 schoenebeck 2 * *
5 schoenebeck 1050 * Copyright (C) 2003-2007 by Christian Schoenebeck *
6 schoenebeck 384 * <cuse@users.sourceforge.net> *
7 schoenebeck 2 * *
8     * 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 *
10     * the Free Software Foundation; either version 2 of the License, or *
11     * (at your option) any later version. *
12     * *
13     * This library is distributed in the hope that it will be useful, *
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16     * GNU General Public License for more details. *
17     * *
18     * You should have received a copy of the GNU General Public License *
19     * along with this library; if not, write to the Free Software *
20     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21     * MA 02111-1307 USA *
22     ***************************************************************************/
23    
24     #include "DLS.h"
25    
26 schoenebeck 800 #include <time.h>
27    
28     #include "helper.h"
29    
30     // macros to decode connection transforms
31     #define CONN_TRANSFORM_SRC(x) ((x >> 10) & 0x000F)
32     #define CONN_TRANSFORM_CTL(x) ((x >> 4) & 0x000F)
33     #define CONN_TRANSFORM_DST(x) (x & 0x000F)
34     #define CONN_TRANSFORM_BIPOLAR_SRC(x) (x & 0x4000)
35     #define CONN_TRANSFORM_BIPOLAR_CTL(x) (x & 0x0100)
36     #define CONN_TRANSFORM_INVERT_SRC(x) (x & 0x8000)
37     #define CONN_TRANSFORM_INVERT_CTL(x) (x & 0x0200)
38    
39     // macros to encode connection transforms
40     #define CONN_TRANSFORM_SRC_ENCODE(x) ((x & 0x000F) << 10)
41     #define CONN_TRANSFORM_CTL_ENCODE(x) ((x & 0x000F) << 4)
42     #define CONN_TRANSFORM_DST_ENCODE(x) (x & 0x000F)
43     #define CONN_TRANSFORM_BIPOLAR_SRC_ENCODE(x) ((x) ? 0x4000 : 0)
44     #define CONN_TRANSFORM_BIPOLAR_CTL_ENCODE(x) ((x) ? 0x0100 : 0)
45     #define CONN_TRANSFORM_INVERT_SRC_ENCODE(x) ((x) ? 0x8000 : 0)
46     #define CONN_TRANSFORM_INVERT_CTL_ENCODE(x) ((x) ? 0x0200 : 0)
47    
48 persson 918 #define DRUM_TYPE_MASK 0x80000000
49 schoenebeck 800
50     #define F_RGN_OPTION_SELFNONEXCLUSIVE 0x0001
51    
52     #define F_WAVELINK_PHASE_MASTER 0x0001
53     #define F_WAVELINK_MULTICHANNEL 0x0002
54    
55     #define F_WSMP_NO_TRUNCATION 0x0001
56     #define F_WSMP_NO_COMPRESSION 0x0002
57    
58     #define MIDI_BANK_COARSE(x) ((x & 0x00007F00) >> 8) // CC0
59     #define MIDI_BANK_FINE(x) (x & 0x0000007F) // CC32
60     #define MIDI_BANK_MERGE(coarse, fine) ((((uint16_t) coarse) << 7) | fine) // CC0 + CC32
61     #define MIDI_BANK_ENCODE(coarse, fine) (((coarse & 0x0000007F) << 8) | (fine & 0x0000007F))
62    
63 schoenebeck 2 namespace DLS {
64    
65     // *************** Connection ***************
66     // *
67    
68     void Connection::Init(conn_block_t* Header) {
69     Source = (conn_src_t) Header->source;
70     Control = (conn_src_t) Header->control;
71     Destination = (conn_dst_t) Header->destination;
72     Scale = Header->scale;
73     SourceTransform = (conn_trn_t) CONN_TRANSFORM_SRC(Header->transform);
74     ControlTransform = (conn_trn_t) CONN_TRANSFORM_CTL(Header->transform);
75     DestinationTransform = (conn_trn_t) CONN_TRANSFORM_DST(Header->transform);
76     SourceInvert = CONN_TRANSFORM_INVERT_SRC(Header->transform);
77     SourceBipolar = CONN_TRANSFORM_BIPOLAR_SRC(Header->transform);
78     ControlInvert = CONN_TRANSFORM_INVERT_CTL(Header->transform);
79     ControlBipolar = CONN_TRANSFORM_BIPOLAR_CTL(Header->transform);
80     }
81    
82 schoenebeck 800 Connection::conn_block_t Connection::ToConnBlock() {
83     conn_block_t c;
84     c.source = Source;
85     c.control = Control;
86     c.destination = Destination;
87     c.scale = Scale;
88     c.transform = CONN_TRANSFORM_SRC_ENCODE(SourceTransform) |
89     CONN_TRANSFORM_CTL_ENCODE(ControlTransform) |
90     CONN_TRANSFORM_DST_ENCODE(DestinationTransform) |
91     CONN_TRANSFORM_INVERT_SRC_ENCODE(SourceInvert) |
92     CONN_TRANSFORM_BIPOLAR_SRC_ENCODE(SourceBipolar) |
93     CONN_TRANSFORM_INVERT_CTL_ENCODE(ControlInvert) |
94     CONN_TRANSFORM_BIPOLAR_CTL_ENCODE(ControlBipolar);
95     return c;
96     }
97 schoenebeck 2
98    
99 schoenebeck 800
100 schoenebeck 2 // *************** Articulation ***************
101     // *
102    
103 schoenebeck 800 /** @brief Constructor.
104     *
105     * Expects an 'artl' or 'art2' chunk to be given where the articulation
106     * connections will be read from.
107     *
108     * @param artl - pointer to an 'artl' or 'art2' chunk
109     * @throws Exception if no 'artl' or 'art2' chunk was given
110     */
111     Articulation::Articulation(RIFF::Chunk* artl) {
112     pArticulationCk = artl;
113     if (artl->GetChunkID() != CHUNK_ID_ART2 &&
114     artl->GetChunkID() != CHUNK_ID_ARTL) {
115     throw DLS::Exception("<artl-ck> or <art2-ck> chunk expected");
116 schoenebeck 2 }
117 schoenebeck 800 HeaderSize = artl->ReadUint32();
118     Connections = artl->ReadUint32();
119     artl->SetPos(HeaderSize);
120 schoenebeck 2
121     pConnections = new Connection[Connections];
122     Connection::conn_block_t connblock;
123 schoenebeck 800 for (uint32_t i = 0; i < Connections; i++) {
124     artl->Read(&connblock.source, 1, 2);
125     artl->Read(&connblock.control, 1, 2);
126     artl->Read(&connblock.destination, 1, 2);
127     artl->Read(&connblock.transform, 1, 2);
128     artl->Read(&connblock.scale, 1, 4);
129 schoenebeck 2 pConnections[i].Init(&connblock);
130     }
131     }
132    
133     Articulation::~Articulation() {
134     if (pConnections) delete[] pConnections;
135     }
136    
137 schoenebeck 800 /**
138     * Apply articulation connections to the respective RIFF chunks. You
139     * have to call File::Save() to make changes persistent.
140     */
141     void Articulation::UpdateChunks() {
142     const int iEntrySize = 12; // 12 bytes per connection block
143     pArticulationCk->Resize(HeaderSize + Connections * iEntrySize);
144     uint8_t* pData = (uint8_t*) pArticulationCk->LoadChunkData();
145 persson 1179 store16(&pData[0], HeaderSize);
146     store16(&pData[2], Connections);
147 schoenebeck 800 for (uint32_t i = 0; i < Connections; i++) {
148     Connection::conn_block_t c = pConnections[i].ToConnBlock();
149 persson 1179 store16(&pData[HeaderSize + i * iEntrySize], c.source);
150     store16(&pData[HeaderSize + i * iEntrySize + 2], c.control);
151     store16(&pData[HeaderSize + i * iEntrySize + 4], c.destination);
152     store16(&pData[HeaderSize + i * iEntrySize + 6], c.transform);
153     store32(&pData[HeaderSize + i * iEntrySize + 8], c.scale);
154 schoenebeck 800 }
155     }
156 schoenebeck 2
157    
158 schoenebeck 800
159 schoenebeck 2 // *************** Articulator ***************
160     // *
161    
162     Articulator::Articulator(RIFF::List* ParentList) {
163     pParentList = ParentList;
164     pArticulations = NULL;
165     }
166    
167     Articulation* Articulator::GetFirstArticulation() {
168     if (!pArticulations) LoadArticulations();
169     if (!pArticulations) return NULL;
170     ArticulationsIterator = pArticulations->begin();
171     return (ArticulationsIterator != pArticulations->end()) ? *ArticulationsIterator : NULL;
172     }
173    
174     Articulation* Articulator::GetNextArticulation() {
175     if (!pArticulations) return NULL;
176     ArticulationsIterator++;
177     return (ArticulationsIterator != pArticulations->end()) ? *ArticulationsIterator : NULL;
178     }
179    
180     void Articulator::LoadArticulations() {
181     // prefer articulation level 2
182     RIFF::List* lart = pParentList->GetSubList(LIST_TYPE_LAR2);
183     if (!lart) lart = pParentList->GetSubList(LIST_TYPE_LART);
184     if (lart) {
185 schoenebeck 800 uint32_t artCkType = (lart->GetListType() == LIST_TYPE_LAR2) ? CHUNK_ID_ART2
186     : CHUNK_ID_ARTL;
187     RIFF::Chunk* art = lart->GetFirstSubChunk();
188 schoenebeck 2 while (art) {
189 schoenebeck 800 if (art->GetChunkID() == artCkType) {
190 schoenebeck 2 if (!pArticulations) pArticulations = new ArticulationList;
191     pArticulations->push_back(new Articulation(art));
192     }
193 schoenebeck 800 art = lart->GetNextSubChunk();
194 schoenebeck 2 }
195     }
196     }
197    
198     Articulator::~Articulator() {
199     if (pArticulations) {
200     ArticulationList::iterator iter = pArticulations->begin();
201     ArticulationList::iterator end = pArticulations->end();
202     while (iter != end) {
203     delete *iter;
204     iter++;
205     }
206     delete pArticulations;
207     }
208     }
209    
210 schoenebeck 800 /**
211     * Apply all articulations to the respective RIFF chunks. You have to
212     * call File::Save() to make changes persistent.
213     */
214     void Articulator::UpdateChunks() {
215 schoenebeck 804 if (pArticulations) {
216     ArticulationList::iterator iter = pArticulations->begin();
217     ArticulationList::iterator end = pArticulations->end();
218     for (; iter != end; ++iter) {
219     (*iter)->UpdateChunks();
220     }
221 schoenebeck 800 }
222     }
223 schoenebeck 2
224    
225 schoenebeck 800
226 schoenebeck 2 // *************** Info ***************
227     // *
228    
229 schoenebeck 800 /** @brief Constructor.
230     *
231 schoenebeck 929 * Initializes the info strings with values provided by an INFO list chunk.
232 schoenebeck 800 *
233 schoenebeck 929 * @param list - pointer to a list chunk which contains an INFO list chunk
234 schoenebeck 800 */
235 schoenebeck 2 Info::Info(RIFF::List* list) {
236 persson 1180 FixedStringLengths = NULL;
237 schoenebeck 800 pResourceListChunk = list;
238 schoenebeck 2 if (list) {
239     RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO);
240     if (lstINFO) {
241     LoadString(CHUNK_ID_INAM, lstINFO, Name);
242     LoadString(CHUNK_ID_IARL, lstINFO, ArchivalLocation);
243     LoadString(CHUNK_ID_ICRD, lstINFO, CreationDate);
244     LoadString(CHUNK_ID_ICMT, lstINFO, Comments);
245     LoadString(CHUNK_ID_IPRD, lstINFO, Product);
246     LoadString(CHUNK_ID_ICOP, lstINFO, Copyright);
247     LoadString(CHUNK_ID_IART, lstINFO, Artists);
248     LoadString(CHUNK_ID_IGNR, lstINFO, Genre);
249     LoadString(CHUNK_ID_IKEY, lstINFO, Keywords);
250     LoadString(CHUNK_ID_IENG, lstINFO, Engineer);
251     LoadString(CHUNK_ID_ITCH, lstINFO, Technician);
252     LoadString(CHUNK_ID_ISFT, lstINFO, Software);
253     LoadString(CHUNK_ID_IMED, lstINFO, Medium);
254     LoadString(CHUNK_ID_ISRC, lstINFO, Source);
255     LoadString(CHUNK_ID_ISRF, lstINFO, SourceForm);
256     LoadString(CHUNK_ID_ICMS, lstINFO, Commissioned);
257 persson 928 LoadString(CHUNK_ID_ISBJ, lstINFO, Subject);
258 schoenebeck 2 }
259     }
260     }
261    
262 schoenebeck 823 Info::~Info() {
263     }
264    
265 schoenebeck 800 /** @brief Load given INFO field.
266     *
267     * Load INFO field from INFO chunk with chunk ID \a ChunkID from INFO
268     * list chunk \a lstINFO and save value to \a s.
269     */
270     void Info::LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) {
271     RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID);
272 schoenebeck 929 ::LoadString(ck, s); // function from helper.h
273 schoenebeck 800 }
274 schoenebeck 2
275 schoenebeck 800 /** @brief Apply given INFO field to the respective chunk.
276     *
277     * Apply given info value to info chunk with ID \a ChunkID, which is a
278     * subchunk of INFO list chunk \a lstINFO. If the given chunk already
279 schoenebeck 804 * exists, value \a s will be applied. Otherwise if it doesn't exist yet
280     * and either \a s or \a sDefault is not an empty string, such a chunk
281     * will be created and either \a s or \a sDefault will be applied
282     * (depending on which one is not an empty string, if both are not an
283     * empty string \a s will be preferred).
284 schoenebeck 800 *
285     * @param ChunkID - 32 bit RIFF chunk ID of INFO subchunk
286     * @param lstINFO - parent (INFO) RIFF list chunk
287     * @param s - current value of info field
288     * @param sDefault - default value
289     */
290 persson 1180 void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault) {
291     int size = 0;
292     if (FixedStringLengths) {
293     for (int i = 0 ; FixedStringLengths[i].length ; i++) {
294     if (FixedStringLengths[i].chunkId == ChunkID) {
295     size = FixedStringLengths[i].length;
296     }
297     }
298     }
299 schoenebeck 800 RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID);
300 persson 1180 ::SaveString(ChunkID, ck, lstINFO, s, sDefault, size != 0, size); // function from helper.h
301 schoenebeck 800 }
302 schoenebeck 2
303 schoenebeck 800 /** @brief Update chunks with current info values.
304     *
305     * Apply current INFO field values to the respective INFO chunks. You
306     * have to call File::Save() to make changes persistent.
307     */
308     void Info::UpdateChunks() {
309     if (!pResourceListChunk) return;
310    
311     // make sure INFO list chunk exists
312     RIFF::List* lstINFO = pResourceListChunk->GetSubList(LIST_TYPE_INFO);
313    
314 persson 918 String defaultName = "";
315     String defaultCreationDate = "";
316     String defaultSoftware = "";
317     String defaultComments = "";
318 schoenebeck 800
319 persson 918 uint32_t resourceType = pResourceListChunk->GetListType();
320    
321     if (!lstINFO) {
322     lstINFO = pResourceListChunk->AddSubList(LIST_TYPE_INFO);
323    
324     // assemble default values
325     defaultName = "NONAME";
326    
327     if (resourceType == RIFF_TYPE_DLS) {
328     // get current date
329     time_t now = time(NULL);
330     tm* pNowBroken = localtime(&now);
331     char buf[11];
332     strftime(buf, 11, "%F", pNowBroken);
333     defaultCreationDate = buf;
334    
335     defaultComments = "Created with " + libraryName() + " " + libraryVersion();
336     }
337     if (resourceType == RIFF_TYPE_DLS || resourceType == LIST_TYPE_INS)
338     {
339     defaultSoftware = libraryName() + " " + libraryVersion();
340     }
341     }
342    
343 schoenebeck 800 // save values
344 persson 918
345 persson 1180 SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String(""));
346     SaveString(CHUNK_ID_IART, lstINFO, Artists, String(""));
347     SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String(""));
348     SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments);
349     SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String(""));
350     SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate);
351     SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String(""));
352     SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String(""));
353     SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String(""));
354     SaveString(CHUNK_ID_IMED, lstINFO, Medium, String(""));
355     SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName);
356     SaveString(CHUNK_ID_IPRD, lstINFO, Product, String(""));
357     SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String(""));
358     SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware);
359     SaveString(CHUNK_ID_ISRC, lstINFO, Source, String(""));
360     SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String(""));
361     SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String(""));
362 schoenebeck 800 }
363    
364    
365    
366 schoenebeck 2 // *************** Resource ***************
367     // *
368    
369 schoenebeck 800 /** @brief Constructor.
370     *
371     * Initializes the 'Resource' object with values provided by a given
372     * INFO list chunk and a DLID chunk (the latter optional).
373     *
374     * @param Parent - pointer to parent 'Resource', NULL if this is
375     * the toplevel 'Resource' object
376     * @param lstResource - pointer to an INFO list chunk
377     */
378 schoenebeck 2 Resource::Resource(Resource* Parent, RIFF::List* lstResource) {
379     pParent = Parent;
380 schoenebeck 800 pResourceList = lstResource;
381 schoenebeck 2
382     pInfo = new Info(lstResource);
383    
384     RIFF::Chunk* ckDLSID = lstResource->GetSubChunk(CHUNK_ID_DLID);
385     if (ckDLSID) {
386     pDLSID = new dlsid_t;
387 schoenebeck 11 ckDLSID->Read(&pDLSID->ulData1, 1, 4);
388     ckDLSID->Read(&pDLSID->usData2, 1, 2);
389     ckDLSID->Read(&pDLSID->usData3, 1, 2);
390     ckDLSID->Read(pDLSID->abData, 8, 1);
391 schoenebeck 2 }
392     else pDLSID = NULL;
393     }
394    
395     Resource::~Resource() {
396     if (pDLSID) delete pDLSID;
397     if (pInfo) delete pInfo;
398     }
399    
400 schoenebeck 800 /** @brief Update chunks with current Resource data.
401     *
402     * Apply Resource data persistently below the previously given resource
403     * list chunk. This will currently only include the INFO data. The DLSID
404     * will not be applied at the moment (yet).
405     *
406     * You have to call File::Save() to make changes persistent.
407     */
408     void Resource::UpdateChunks() {
409     pInfo->UpdateChunks();
410     //TODO: save DLSID
411     }
412 schoenebeck 2
413    
414 schoenebeck 800
415 schoenebeck 2 // *************** Sampler ***************
416     // *
417    
418     Sampler::Sampler(RIFF::List* ParentList) {
419 schoenebeck 800 pParentList = ParentList;
420 schoenebeck 2 RIFF::Chunk* wsmp = ParentList->GetSubChunk(CHUNK_ID_WSMP);
421 schoenebeck 800 if (wsmp) {
422     uiHeaderSize = wsmp->ReadUint32();
423     UnityNote = wsmp->ReadUint16();
424     FineTune = wsmp->ReadInt16();
425     Gain = wsmp->ReadInt32();
426     SamplerOptions = wsmp->ReadUint32();
427     SampleLoops = wsmp->ReadUint32();
428     } else { // 'wsmp' chunk missing
429     uiHeaderSize = 0;
430     UnityNote = 64;
431     FineTune = 0; // +- 0 cents
432     Gain = 0; // 0 dB
433     SamplerOptions = F_WSMP_NO_COMPRESSION;
434     SampleLoops = 0;
435     }
436 schoenebeck 2 NoSampleDepthTruncation = SamplerOptions & F_WSMP_NO_TRUNCATION;
437     NoSampleCompression = SamplerOptions & F_WSMP_NO_COMPRESSION;
438     pSampleLoops = (SampleLoops) ? new sample_loop_t[SampleLoops] : NULL;
439 schoenebeck 800 if (SampleLoops) {
440     wsmp->SetPos(uiHeaderSize);
441     for (uint32_t i = 0; i < SampleLoops; i++) {
442     wsmp->Read(pSampleLoops + i, 4, 4);
443     if (pSampleLoops[i].Size > sizeof(sample_loop_t)) { // if loop struct was extended
444     wsmp->SetPos(pSampleLoops[i].Size - sizeof(sample_loop_t), RIFF::stream_curpos);
445     }
446 schoenebeck 2 }
447     }
448     }
449    
450     Sampler::~Sampler() {
451     if (pSampleLoops) delete[] pSampleLoops;
452     }
453    
454 schoenebeck 800 /**
455     * Apply all sample player options to the respective RIFF chunk. You
456     * have to call File::Save() to make changes persistent.
457     */
458     void Sampler::UpdateChunks() {
459     // make sure 'wsmp' chunk exists
460     RIFF::Chunk* wsmp = pParentList->GetSubChunk(CHUNK_ID_WSMP);
461     if (!wsmp) {
462     uiHeaderSize = 20;
463     wsmp = pParentList->AddSubChunk(CHUNK_ID_WSMP, uiHeaderSize + SampleLoops * 16);
464     }
465     uint8_t* pData = (uint8_t*) wsmp->LoadChunkData();
466     // update headers size
467 persson 1179 store32(&pData[0], uiHeaderSize);
468 schoenebeck 800 // update respective sampler options bits
469     SamplerOptions = (NoSampleDepthTruncation) ? SamplerOptions | F_WSMP_NO_TRUNCATION
470     : SamplerOptions & (~F_WSMP_NO_TRUNCATION);
471     SamplerOptions = (NoSampleCompression) ? SamplerOptions | F_WSMP_NO_COMPRESSION
472     : SamplerOptions & (~F_WSMP_NO_COMPRESSION);
473 persson 1179 store16(&pData[4], UnityNote);
474     store16(&pData[6], FineTune);
475     store32(&pData[8], Gain);
476     store32(&pData[12], SamplerOptions);
477     store32(&pData[16], SampleLoops);
478 schoenebeck 800 // update loop definitions
479     for (uint32_t i = 0; i < SampleLoops; i++) {
480     //FIXME: this does not handle extended loop structs correctly
481 persson 1179 store32(&pData[uiHeaderSize + i * 16], pSampleLoops[i].Size);
482     store32(&pData[uiHeaderSize + i * 16 + 4], pSampleLoops[i].LoopType);
483     store32(&pData[uiHeaderSize + i * 16 + 8], pSampleLoops[i].LoopStart);
484     store32(&pData[uiHeaderSize + i * 16 + 12], pSampleLoops[i].LoopLength);
485 schoenebeck 800 }
486     }
487 schoenebeck 2
488 schoenebeck 1154 /**
489     * Adds a new sample loop with the provided loop definition.
490     *
491 schoenebeck 1194 * @param pLoopDef - points to a loop definition that is to be copied
492 schoenebeck 1154 */
493     void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) {
494     sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1];
495     // copy old loops array
496     for (int i = 0; i < SampleLoops; i++) {
497     pNewLoops[i] = pSampleLoops[i];
498     }
499     // add the new loop
500     pNewLoops[SampleLoops] = *pLoopDef;
501 schoenebeck 1155 // auto correct size field
502     pNewLoops[SampleLoops].Size = sizeof(DLS::sample_loop_t);
503 schoenebeck 1154 // free the old array and update the member variables
504     if (SampleLoops) delete[] pSampleLoops;
505     pSampleLoops = pNewLoops;
506     SampleLoops++;
507     }
508 schoenebeck 2
509 schoenebeck 1154 /**
510     * Deletes an existing sample loop.
511     *
512     * @param pLoopDef - pointer to existing loop definition
513     * @throws Exception - if given loop definition does not exist
514     */
515     void Sampler::DeleteSampleLoop(sample_loop_t* pLoopDef) {
516     sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops - 1];
517     // copy old loops array (skipping given loop)
518     for (int i = 0, o = 0; i < SampleLoops; i++) {
519     if (&pSampleLoops[i] == pLoopDef) continue;
520     if (o == SampleLoops - 1)
521     throw Exception("Could not delete Sample Loop, because it does not exist");
522     pNewLoops[o] = pSampleLoops[i];
523     o++;
524     }
525     // free the old array and update the member variables
526     if (SampleLoops) delete[] pSampleLoops;
527     pSampleLoops = pNewLoops;
528     SampleLoops--;
529     }
530 schoenebeck 800
531 schoenebeck 1154
532    
533 schoenebeck 2 // *************** Sample ***************
534     // *
535    
536 schoenebeck 800 /** @brief Constructor.
537     *
538     * Load an existing sample or create a new one. A 'wave' list chunk must
539     * be given to this constructor. In case the given 'wave' list chunk
540     * contains a 'fmt' and 'data' chunk, the format and sample data will be
541     * loaded from there, otherwise default values will be used and those
542     * chunks will be created when File::Save() will be called later on.
543     *
544     * @param pFile - pointer to DLS::File where this sample is
545     * located (or will be located)
546     * @param waveList - pointer to 'wave' list chunk which is (or
547     * will be) associated with this sample
548     * @param WavePoolOffset - offset of this sample data from wave pool
549     * ('wvpl') list chunk
550     */
551 schoenebeck 2 Sample::Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset) : Resource(pFile, waveList) {
552 schoenebeck 800 pWaveList = waveList;
553 schoenebeck 2 ulWavePoolOffset = WavePoolOffset - LIST_HEADER_SIZE;
554     pCkFormat = waveList->GetSubChunk(CHUNK_ID_FMT);
555     pCkData = waveList->GetSubChunk(CHUNK_ID_DATA);
556 schoenebeck 800 if (pCkFormat) {
557     // common fields
558     FormatTag = pCkFormat->ReadUint16();
559     Channels = pCkFormat->ReadUint16();
560     SamplesPerSecond = pCkFormat->ReadUint32();
561     AverageBytesPerSecond = pCkFormat->ReadUint32();
562     BlockAlign = pCkFormat->ReadUint16();
563     // PCM format specific
564 schoenebeck 1050 if (FormatTag == DLS_WAVE_FORMAT_PCM) {
565 schoenebeck 800 BitDepth = pCkFormat->ReadUint16();
566 persson 928 FrameSize = (BitDepth / 8) * Channels;
567 schoenebeck 800 } else { // unsupported sample data format
568     BitDepth = 0;
569     FrameSize = 0;
570     }
571     } else { // 'fmt' chunk missing
572 schoenebeck 1050 FormatTag = DLS_WAVE_FORMAT_PCM;
573 schoenebeck 800 BitDepth = 16;
574     Channels = 1;
575     SamplesPerSecond = 44100;
576     AverageBytesPerSecond = (BitDepth / 8) * SamplesPerSecond * Channels;
577     FrameSize = (BitDepth / 8) * Channels;
578     BlockAlign = FrameSize;
579 schoenebeck 2 }
580 schoenebeck 1050 SamplesTotal = (pCkData) ? (FormatTag == DLS_WAVE_FORMAT_PCM) ? pCkData->GetSize() / FrameSize
581     : 0
582 schoenebeck 800 : 0;
583 schoenebeck 2 }
584    
585 schoenebeck 800 /** @brief Destructor.
586     *
587     * Removes RIFF chunks associated with this Sample and frees all
588     * memory occupied by this sample.
589     */
590     Sample::~Sample() {
591     RIFF::List* pParent = pWaveList->GetParent();
592     pParent->DeleteSubChunk(pWaveList);
593     }
594    
595     /** @brief Load sample data into RAM.
596     *
597     * In case the respective 'data' chunk exists, the sample data will be
598     * loaded into RAM (if not done already) and a pointer to the data in
599     * RAM will be returned. If this is a new sample, you have to call
600     * Resize() with the desired sample size to create the mandatory RIFF
601     * chunk for the sample wave data.
602     *
603     * You can call LoadChunkData() again if you previously scheduled to
604     * enlarge the sample data RIFF chunk with a Resize() call. In that case
605     * the buffer will be enlarged to the new, scheduled size and you can
606     * already place the sample wave data to the buffer and finally call
607     * File::Save() to enlarge the sample data's chunk physically and write
608     * the new sample wave data in one rush. This approach is definitely
609     * recommended if you have to enlarge and write new sample data to a lot
610     * of samples.
611     *
612     * <b>Caution:</b> the buffer pointer will be invalidated once
613     * File::Save() was called. You have to call LoadChunkData() again to
614     * get a new, valid pointer whenever File::Save() was called.
615     *
616     * @returns pointer to sample data in RAM, NULL in case respective
617     * 'data' chunk does not exist (yet)
618     * @throws Exception if data buffer could not be enlarged
619     * @see Resize(), File::Save()
620     */
621 schoenebeck 2 void* Sample::LoadSampleData() {
622 schoenebeck 800 return (pCkData) ? pCkData->LoadChunkData() : NULL;
623 schoenebeck 2 }
624    
625 schoenebeck 800 /** @brief Free sample data from RAM.
626     *
627     * In case sample data was previously successfully loaded into RAM with
628     * LoadSampleData(), this method will free the sample data from RAM.
629     */
630 schoenebeck 2 void Sample::ReleaseSampleData() {
631 schoenebeck 800 if (pCkData) pCkData->ReleaseChunkData();
632 schoenebeck 2 }
633    
634 schoenebeck 800 /** @brief Returns sample size.
635     *
636     * Returns the sample wave form's data size (in sample points). This is
637     * actually the current, physical size (converted to sample points) of
638     * the RIFF chunk which encapsulates the sample's wave data. The
639     * returned value is dependant to the current FrameSize value.
640     *
641 schoenebeck 1050 * @returns number of sample points or 0 if FormatTag != DLS_WAVE_FORMAT_PCM
642 schoenebeck 800 * @see FrameSize, FormatTag
643     */
644     unsigned long Sample::GetSize() {
645 schoenebeck 1050 if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0;
646 schoenebeck 800 return (pCkData) ? pCkData->GetSize() / FrameSize : 0;
647     }
648    
649     /** @brief Resize sample.
650     *
651     * Resizes the sample's wave form data, that is the actual size of
652     * sample wave data possible to be written for this sample. This call
653     * will return immediately and just schedule the resize operation. You
654     * should call File::Save() to actually perform the resize operation(s)
655     * "physically" to the file. As this can take a while on large files, it
656     * is recommended to call Resize() first on all samples which have to be
657     * resized and finally to call File::Save() to perform all those resize
658     * operations in one rush.
659     *
660     * The actual size (in bytes) is dependant to the current FrameSize
661     * value. You may want to set FrameSize before calling Resize().
662     *
663     * <b>Caution:</b> You cannot directly write to enlarged samples before
664     * calling File::Save() as this might exceed the current sample's
665     * boundary!
666     *
667 schoenebeck 1050 * Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is
668     * FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to resize samples with
669 schoenebeck 800 * other formats will fail!
670     *
671     * @param iNewSize - new sample wave data size in sample points (must be
672     * greater than zero)
673 schoenebeck 1050 * @throws Excecption if FormatTag != DLS_WAVE_FORMAT_PCM
674 schoenebeck 800 * @throws Exception if \a iNewSize is less than 1
675     * @see File::Save(), FrameSize, FormatTag
676     */
677     void Sample::Resize(int iNewSize) {
678 schoenebeck 1050 if (FormatTag != DLS_WAVE_FORMAT_PCM) throw Exception("Sample's format is not DLS_WAVE_FORMAT_PCM");
679 schoenebeck 800 if (iNewSize < 1) throw Exception("Sample size must be at least one sample point");
680     const int iSizeInBytes = iNewSize * FrameSize;
681     pCkData = pWaveList->GetSubChunk(CHUNK_ID_DATA);
682     if (pCkData) pCkData->Resize(iSizeInBytes);
683     else pCkData = pWaveList->AddSubChunk(CHUNK_ID_DATA, iSizeInBytes);
684     }
685    
686 schoenebeck 2 /**
687     * Sets the position within the sample (in sample points, not in
688     * bytes). Use this method and <i>Read()</i> if you don't want to load
689     * the sample into RAM, thus for disk streaming.
690     *
691 schoenebeck 1050 * Also note: only DLS_WAVE_FORMAT_PCM is currently supported, that is
692     * FormatTag must be DLS_WAVE_FORMAT_PCM. Trying to reposition the sample
693 schoenebeck 800 * with other formats will fail!
694     *
695 schoenebeck 2 * @param SampleCount number of sample points
696     * @param Whence to which relation \a SampleCount refers to
697 schoenebeck 800 * @returns new position within the sample, 0 if
698 schoenebeck 1050 * FormatTag != DLS_WAVE_FORMAT_PCM
699 schoenebeck 800 * @throws Exception if no data RIFF chunk was created for the sample yet
700     * @see FrameSize, FormatTag
701 schoenebeck 2 */
702     unsigned long Sample::SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence) {
703 schoenebeck 1050 if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format
704 schoenebeck 800 if (!pCkData) throw Exception("No data chunk created for sample yet, call Sample::Resize() to create one");
705 schoenebeck 2 unsigned long orderedBytes = SampleCount * FrameSize;
706     unsigned long result = pCkData->SetPos(orderedBytes, Whence);
707     return (result == orderedBytes) ? SampleCount
708     : result / FrameSize;
709     }
710    
711     /**
712     * Reads \a SampleCount number of sample points from the current
713     * position into the buffer pointed by \a pBuffer and increments the
714     * position within the sample. Use this method and <i>SetPos()</i> if you
715     * don't want to load the sample into RAM, thus for disk streaming.
716     *
717     * @param pBuffer destination buffer
718     * @param SampleCount number of sample points to read
719     */
720     unsigned long Sample::Read(void* pBuffer, unsigned long SampleCount) {
721 schoenebeck 1050 if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format
722 schoenebeck 11 return pCkData->Read(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction?
723 schoenebeck 2 }
724    
725 schoenebeck 800 /** @brief Write sample wave data.
726     *
727     * Writes \a SampleCount number of sample points from the buffer pointed
728     * by \a pBuffer and increments the position within the sample. Use this
729     * method to directly write the sample data to disk, i.e. if you don't
730     * want or cannot load the whole sample data into RAM.
731     *
732     * You have to Resize() the sample to the desired size and call
733     * File::Save() <b>before</b> using Write().
734     *
735     * @param pBuffer - source buffer
736     * @param SampleCount - number of sample points to write
737     * @throws Exception if current sample size is too small
738     * @see LoadSampleData()
739     */
740     unsigned long Sample::Write(void* pBuffer, unsigned long SampleCount) {
741 schoenebeck 1050 if (FormatTag != DLS_WAVE_FORMAT_PCM) return 0; // failed: wave data not PCM format
742 schoenebeck 800 if (GetSize() < SampleCount) throw Exception("Could not write sample data, current sample size to small");
743     return pCkData->Write(pBuffer, SampleCount, FrameSize); // FIXME: channel inversion due to endian correction?
744     }
745 schoenebeck 2
746 schoenebeck 800 /**
747     * Apply sample and its settings to the respective RIFF chunks. You have
748     * to call File::Save() to make changes persistent.
749     *
750 schoenebeck 1050 * @throws Exception if FormatTag != DLS_WAVE_FORMAT_PCM or no sample data
751 schoenebeck 800 * was provided yet
752     */
753     void Sample::UpdateChunks() {
754 schoenebeck 1050 if (FormatTag != DLS_WAVE_FORMAT_PCM)
755 schoenebeck 800 throw Exception("Could not save sample, only PCM format is supported");
756     // we refuse to do anything if not sample wave form was provided yet
757     if (!pCkData)
758     throw Exception("Could not save sample, there is no sample data to save");
759     // update chunks of base class as well
760     Resource::UpdateChunks();
761     // make sure 'fmt' chunk exists
762     RIFF::Chunk* pCkFormat = pWaveList->GetSubChunk(CHUNK_ID_FMT);
763     if (!pCkFormat) pCkFormat = pWaveList->AddSubChunk(CHUNK_ID_FMT, 16); // assumes PCM format
764     uint8_t* pData = (uint8_t*) pCkFormat->LoadChunkData();
765     // update 'fmt' chunk
766 persson 1179 store16(&pData[0], FormatTag);
767     store16(&pData[2], Channels);
768     store32(&pData[4], SamplesPerSecond);
769     store32(&pData[8], AverageBytesPerSecond);
770     store16(&pData[12], BlockAlign);
771     store16(&pData[14], BitDepth); // assuming PCM format
772 schoenebeck 800 }
773 schoenebeck 2
774 schoenebeck 800
775    
776 schoenebeck 2 // *************** Region ***************
777     // *
778    
779     Region::Region(Instrument* pInstrument, RIFF::List* rgnList) : Resource(pInstrument, rgnList), Articulator(rgnList), Sampler(rgnList) {
780     pCkRegion = rgnList;
781    
782 schoenebeck 800 // articulation informations
783 schoenebeck 2 RIFF::Chunk* rgnh = rgnList->GetSubChunk(CHUNK_ID_RGNH);
784 schoenebeck 800 if (rgnh) {
785     rgnh->Read(&KeyRange, 2, 2);
786     rgnh->Read(&VelocityRange, 2, 2);
787     FormatOptionFlags = rgnh->ReadUint16();
788     KeyGroup = rgnh->ReadUint16();
789     // Layer is optional
790     if (rgnh->RemainingBytes() >= sizeof(uint16_t)) {
791     rgnh->Read(&Layer, 1, sizeof(uint16_t));
792     } else Layer = 0;
793     } else { // 'rgnh' chunk is missing
794     KeyRange.low = 0;
795     KeyRange.high = 127;
796     VelocityRange.low = 0;
797     VelocityRange.high = 127;
798     FormatOptionFlags = F_RGN_OPTION_SELFNONEXCLUSIVE;
799     KeyGroup = 0;
800     Layer = 0;
801 schoenebeck 2 }
802 schoenebeck 800 SelfNonExclusive = FormatOptionFlags & F_RGN_OPTION_SELFNONEXCLUSIVE;
803 schoenebeck 2
804 schoenebeck 800 // sample informations
805 schoenebeck 2 RIFF::Chunk* wlnk = rgnList->GetSubChunk(CHUNK_ID_WLNK);
806 schoenebeck 800 if (wlnk) {
807     WaveLinkOptionFlags = wlnk->ReadUint16();
808     PhaseGroup = wlnk->ReadUint16();
809     Channel = wlnk->ReadUint32();
810     WavePoolTableIndex = wlnk->ReadUint32();
811     } else { // 'wlnk' chunk is missing
812     WaveLinkOptionFlags = 0;
813     PhaseGroup = 0;
814     Channel = 0; // mono
815     WavePoolTableIndex = 0; // first entry in wave pool table
816     }
817     PhaseMaster = WaveLinkOptionFlags & F_WAVELINK_PHASE_MASTER;
818     MultiChannel = WaveLinkOptionFlags & F_WAVELINK_MULTICHANNEL;
819 schoenebeck 2
820     pSample = NULL;
821     }
822    
823 schoenebeck 800 /** @brief Destructor.
824     *
825     * Removes RIFF chunks associated with this Region.
826     */
827 schoenebeck 2 Region::~Region() {
828 schoenebeck 800 RIFF::List* pParent = pCkRegion->GetParent();
829     pParent->DeleteSubChunk(pCkRegion);
830 schoenebeck 2 }
831    
832     Sample* Region::GetSample() {
833     if (pSample) return pSample;
834     File* file = (File*) GetParent()->GetParent();
835     unsigned long soughtoffset = file->pWavePoolTable[WavePoolTableIndex];
836     Sample* sample = file->GetFirstSample();
837     while (sample) {
838     if (sample->ulWavePoolOffset == soughtoffset) return (pSample = sample);
839     sample = file->GetNextSample();
840     }
841     return NULL;
842     }
843    
844 schoenebeck 800 /**
845     * Assign another sample to this Region.
846     *
847     * @param pSample - sample to be assigned
848     */
849     void Region::SetSample(Sample* pSample) {
850     this->pSample = pSample;
851     WavePoolTableIndex = 0; // we update this offset when we Save()
852     }
853 schoenebeck 2
854 schoenebeck 800 /**
855     * Apply Region settings to the respective RIFF chunks. You have to
856     * call File::Save() to make changes persistent.
857     *
858     * @throws Exception - if the Region's sample could not be found
859     */
860     void Region::UpdateChunks() {
861     // make sure 'rgnh' chunk exists
862     RIFF::Chunk* rgnh = pCkRegion->GetSubChunk(CHUNK_ID_RGNH);
863 persson 918 if (!rgnh) rgnh = pCkRegion->AddSubChunk(CHUNK_ID_RGNH, Layer ? 14 : 12);
864 schoenebeck 800 uint8_t* pData = (uint8_t*) rgnh->LoadChunkData();
865     FormatOptionFlags = (SelfNonExclusive)
866     ? FormatOptionFlags | F_RGN_OPTION_SELFNONEXCLUSIVE
867     : FormatOptionFlags & (~F_RGN_OPTION_SELFNONEXCLUSIVE);
868     // update 'rgnh' chunk
869 persson 1179 store16(&pData[0], KeyRange.low);
870     store16(&pData[2], KeyRange.high);
871     store16(&pData[4], VelocityRange.low);
872     store16(&pData[6], VelocityRange.high);
873     store16(&pData[8], FormatOptionFlags);
874     store16(&pData[10], KeyGroup);
875     if (rgnh->GetSize() >= 14) store16(&pData[12], Layer);
876 schoenebeck 2
877 persson 918 // update chunks of base classes as well (but skip Resource,
878     // as a rgn doesn't seem to have dlid and INFO chunks)
879 schoenebeck 800 Articulator::UpdateChunks();
880     Sampler::UpdateChunks();
881    
882     // make sure 'wlnk' chunk exists
883     RIFF::Chunk* wlnk = pCkRegion->GetSubChunk(CHUNK_ID_WLNK);
884     if (!wlnk) wlnk = pCkRegion->AddSubChunk(CHUNK_ID_WLNK, 12);
885     pData = (uint8_t*) wlnk->LoadChunkData();
886     WaveLinkOptionFlags = (PhaseMaster)
887     ? WaveLinkOptionFlags | F_WAVELINK_PHASE_MASTER
888     : WaveLinkOptionFlags & (~F_WAVELINK_PHASE_MASTER);
889     WaveLinkOptionFlags = (MultiChannel)
890     ? WaveLinkOptionFlags | F_WAVELINK_MULTICHANNEL
891     : WaveLinkOptionFlags & (~F_WAVELINK_MULTICHANNEL);
892     // get sample's wave pool table index
893     int index = -1;
894     File* pFile = (File*) GetParent()->GetParent();
895 schoenebeck 804 if (pFile->pSamples) {
896     File::SampleList::iterator iter = pFile->pSamples->begin();
897     File::SampleList::iterator end = pFile->pSamples->end();
898     for (int i = 0; iter != end; ++iter, i++) {
899     if (*iter == pSample) {
900     index = i;
901     break;
902     }
903 schoenebeck 800 }
904     }
905     if (index < 0) throw Exception("Could not save Region, could not find Region's sample");
906     WavePoolTableIndex = index;
907     // update 'wlnk' chunk
908 persson 1179 store16(&pData[0], WaveLinkOptionFlags);
909     store16(&pData[2], PhaseGroup);
910     store32(&pData[4], Channel);
911     store32(&pData[8], WavePoolTableIndex);
912 schoenebeck 800 }
913    
914    
915    
916 schoenebeck 2 // *************** Instrument ***************
917     // *
918    
919 schoenebeck 800 /** @brief Constructor.
920     *
921     * Load an existing instrument definition or create a new one. An 'ins'
922     * list chunk must be given to this constructor. In case this 'ins' list
923     * chunk contains a 'insh' chunk, the instrument data fields will be
924     * loaded from there, otherwise default values will be used and the
925     * 'insh' chunk will be created once File::Save() was called.
926     *
927     * @param pFile - pointer to DLS::File where this instrument is
928     * located (or will be located)
929     * @param insList - pointer to 'ins' list chunk which is (or will be)
930     * associated with this instrument
931     */
932 schoenebeck 2 Instrument::Instrument(File* pFile, RIFF::List* insList) : Resource(pFile, insList), Articulator(insList) {
933     pCkInstrument = insList;
934    
935 schoenebeck 800 midi_locale_t locale;
936 schoenebeck 2 RIFF::Chunk* insh = pCkInstrument->GetSubChunk(CHUNK_ID_INSH);
937 schoenebeck 800 if (insh) {
938     Regions = insh->ReadUint32();
939     insh->Read(&locale, 2, 4);
940     } else { // 'insh' chunk missing
941     Regions = 0;
942     locale.bank = 0;
943     locale.instrument = 0;
944     }
945    
946 schoenebeck 2 MIDIProgram = locale.instrument;
947     IsDrum = locale.bank & DRUM_TYPE_MASK;
948     MIDIBankCoarse = (uint8_t) MIDI_BANK_COARSE(locale.bank);
949     MIDIBankFine = (uint8_t) MIDI_BANK_FINE(locale.bank);
950     MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine);
951    
952 schoenebeck 800 pRegions = NULL;
953 schoenebeck 2 }
954    
955     Region* Instrument::GetFirstRegion() {
956     if (!pRegions) LoadRegions();
957     if (!pRegions) return NULL;
958     RegionsIterator = pRegions->begin();
959     return (RegionsIterator != pRegions->end()) ? *RegionsIterator : NULL;
960     }
961    
962     Region* Instrument::GetNextRegion() {
963     if (!pRegions) return NULL;
964     RegionsIterator++;
965     return (RegionsIterator != pRegions->end()) ? *RegionsIterator : NULL;
966     }
967    
968     void Instrument::LoadRegions() {
969 schoenebeck 823 if (!pRegions) pRegions = new RegionList;
970 schoenebeck 2 RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN);
971 schoenebeck 823 if (lrgn) {
972     uint32_t regionCkType = (lrgn->GetSubList(LIST_TYPE_RGN2)) ? LIST_TYPE_RGN2 : LIST_TYPE_RGN; // prefer regions level 2
973     RIFF::List* rgn = lrgn->GetFirstSubList();
974     while (rgn) {
975     if (rgn->GetListType() == regionCkType) {
976     pRegions->push_back(new Region(this, rgn));
977     }
978     rgn = lrgn->GetNextSubList();
979 schoenebeck 2 }
980     }
981     }
982    
983 schoenebeck 800 Region* Instrument::AddRegion() {
984 schoenebeck 823 if (!pRegions) LoadRegions();
985 schoenebeck 800 RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN);
986     if (!lrgn) lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN);
987     RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN);
988     Region* pNewRegion = new Region(this, rgn);
989     pRegions->push_back(pNewRegion);
990 schoenebeck 823 Regions = pRegions->size();
991 schoenebeck 800 return pNewRegion;
992     }
993    
994 persson 1102 void Instrument::MoveRegion(Region* pSrc, Region* pDst) {
995     RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN);
996     lrgn->MoveSubChunk(pSrc->pCkRegion, pDst ? pDst->pCkRegion : 0);
997    
998     pRegions->remove(pSrc);
999     RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pDst);
1000     pRegions->insert(iter, pSrc);
1001     }
1002    
1003 schoenebeck 800 void Instrument::DeleteRegion(Region* pRegion) {
1004 schoenebeck 802 if (!pRegions) return;
1005 schoenebeck 800 RegionList::iterator iter = find(pRegions->begin(), pRegions->end(), pRegion);
1006     if (iter == pRegions->end()) return;
1007     pRegions->erase(iter);
1008 schoenebeck 823 Regions = pRegions->size();
1009 schoenebeck 800 delete pRegion;
1010     }
1011    
1012     /**
1013     * Apply Instrument with all its Regions to the respective RIFF chunks.
1014     * You have to call File::Save() to make changes persistent.
1015     *
1016     * @throws Exception - on errors
1017     */
1018     void Instrument::UpdateChunks() {
1019     // first update base classes' chunks
1020     Resource::UpdateChunks();
1021     Articulator::UpdateChunks();
1022     // make sure 'insh' chunk exists
1023     RIFF::Chunk* insh = pCkInstrument->GetSubChunk(CHUNK_ID_INSH);
1024     if (!insh) insh = pCkInstrument->AddSubChunk(CHUNK_ID_INSH, 12);
1025     uint8_t* pData = (uint8_t*) insh->LoadChunkData();
1026     // update 'insh' chunk
1027 schoenebeck 804 Regions = (pRegions) ? pRegions->size() : 0;
1028 schoenebeck 800 midi_locale_t locale;
1029     locale.instrument = MIDIProgram;
1030     locale.bank = MIDI_BANK_ENCODE(MIDIBankCoarse, MIDIBankFine);
1031     locale.bank = (IsDrum) ? locale.bank | DRUM_TYPE_MASK : locale.bank & (~DRUM_TYPE_MASK);
1032     MIDIBank = MIDI_BANK_MERGE(MIDIBankCoarse, MIDIBankFine); // just a sync, when we're at it
1033 persson 1179 store32(&pData[0], Regions);
1034     store32(&pData[4], locale.bank);
1035     store32(&pData[8], locale.instrument);
1036 schoenebeck 800 // update Region's chunks
1037 schoenebeck 804 if (!pRegions) return;
1038 schoenebeck 800 RegionList::iterator iter = pRegions->begin();
1039     RegionList::iterator end = pRegions->end();
1040     for (; iter != end; ++iter) {
1041     (*iter)->UpdateChunks();
1042     }
1043     }
1044    
1045     /** @brief Destructor.
1046     *
1047     * Removes RIFF chunks associated with this Instrument and frees all
1048     * memory occupied by this instrument.
1049     */
1050 schoenebeck 2 Instrument::~Instrument() {
1051     if (pRegions) {
1052     RegionList::iterator iter = pRegions->begin();
1053     RegionList::iterator end = pRegions->end();
1054     while (iter != end) {
1055     delete *iter;
1056     iter++;
1057     }
1058     delete pRegions;
1059     }
1060 schoenebeck 800 // remove instrument's chunks
1061     RIFF::List* pParent = pCkInstrument->GetParent();
1062     pParent->DeleteSubChunk(pCkInstrument);
1063 schoenebeck 2 }
1064    
1065    
1066    
1067     // *************** File ***************
1068     // *
1069    
1070 schoenebeck 800 /** @brief Constructor.
1071     *
1072     * Default constructor, use this to create an empty DLS file. You have
1073     * to add samples, instruments and finally call Save() to actually write
1074     * a DLS file.
1075     */
1076 persson 1184 File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) {
1077     pRIFF->SetByteOrder(RIFF::endian_little);
1078 schoenebeck 800 pVersion = new version_t;
1079     pVersion->major = 0;
1080     pVersion->minor = 0;
1081     pVersion->release = 0;
1082     pVersion->build = 0;
1083    
1084     Instruments = 0;
1085     WavePoolCount = 0;
1086     pWavePoolTable = NULL;
1087     pWavePoolTableHi = NULL;
1088     WavePoolHeaderSize = 8;
1089    
1090     pSamples = NULL;
1091     pInstruments = NULL;
1092    
1093     b64BitWavePoolOffsets = false;
1094     }
1095    
1096     /** @brief Constructor.
1097     *
1098     * Load an existing DLS file.
1099     *
1100     * @param pRIFF - pointer to a RIFF file which is actually the DLS file
1101     * to load
1102     * @throws Exception if given file is not a DLS file, expected chunks
1103     * are missing
1104     */
1105 schoenebeck 2 File::File(RIFF::File* pRIFF) : Resource(NULL, pRIFF) {
1106     if (!pRIFF) throw DLS::Exception("NULL pointer reference to RIFF::File object.");
1107     this->pRIFF = pRIFF;
1108    
1109     RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS);
1110     if (ckVersion) {
1111     pVersion = new version_t;
1112 schoenebeck 11 ckVersion->Read(pVersion, 4, 2);
1113 schoenebeck 2 }
1114     else pVersion = NULL;
1115    
1116     RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH);
1117     if (!colh) throw DLS::Exception("Mandatory chunks in RIFF list chunk not found.");
1118     Instruments = colh->ReadUint32();
1119    
1120     RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL);
1121 persson 902 if (!ptbl) { // pool table is missing - this is probably an ".art" file
1122     WavePoolCount = 0;
1123     pWavePoolTable = NULL;
1124     pWavePoolTableHi = NULL;
1125     WavePoolHeaderSize = 8;
1126     b64BitWavePoolOffsets = false;
1127     } else {
1128     WavePoolHeaderSize = ptbl->ReadUint32();
1129     WavePoolCount = ptbl->ReadUint32();
1130     pWavePoolTable = new uint32_t[WavePoolCount];
1131     pWavePoolTableHi = new uint32_t[WavePoolCount];
1132     ptbl->SetPos(WavePoolHeaderSize);
1133 schoenebeck 2
1134 persson 902 // Check for 64 bit offsets (used in gig v3 files)
1135     b64BitWavePoolOffsets = (ptbl->GetSize() - WavePoolHeaderSize == WavePoolCount * 8);
1136     if (b64BitWavePoolOffsets) {
1137     for (int i = 0 ; i < WavePoolCount ; i++) {
1138     pWavePoolTableHi[i] = ptbl->ReadUint32();
1139     pWavePoolTable[i] = ptbl->ReadUint32();
1140     if (pWavePoolTable[i] & 0x80000000)
1141     throw DLS::Exception("Files larger than 2 GB not yet supported");
1142     }
1143     } else { // conventional 32 bit offsets
1144     ptbl->Read(pWavePoolTable, WavePoolCount, sizeof(uint32_t));
1145     for (int i = 0 ; i < WavePoolCount ; i++) pWavePoolTableHi[i] = 0;
1146 schoenebeck 317 }
1147 persson 666 }
1148 schoenebeck 317
1149 schoenebeck 2 pSamples = NULL;
1150     pInstruments = NULL;
1151     }
1152    
1153     File::~File() {
1154     if (pInstruments) {
1155     InstrumentList::iterator iter = pInstruments->begin();
1156     InstrumentList::iterator end = pInstruments->end();
1157     while (iter != end) {
1158     delete *iter;
1159     iter++;
1160     }
1161     delete pInstruments;
1162     }
1163    
1164     if (pSamples) {
1165     SampleList::iterator iter = pSamples->begin();
1166     SampleList::iterator end = pSamples->end();
1167     while (iter != end) {
1168     delete *iter;
1169     iter++;
1170     }
1171     delete pSamples;
1172     }
1173    
1174     if (pWavePoolTable) delete[] pWavePoolTable;
1175 persson 666 if (pWavePoolTableHi) delete[] pWavePoolTableHi;
1176 schoenebeck 2 if (pVersion) delete pVersion;
1177 persson 834 for (std::list<RIFF::File*>::iterator i = ExtensionFiles.begin() ; i != ExtensionFiles.end() ; i++)
1178     delete *i;
1179 schoenebeck 2 }
1180    
1181     Sample* File::GetFirstSample() {
1182     if (!pSamples) LoadSamples();
1183     if (!pSamples) return NULL;
1184     SamplesIterator = pSamples->begin();
1185     return (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL;
1186     }
1187    
1188     Sample* File::GetNextSample() {
1189     if (!pSamples) return NULL;
1190     SamplesIterator++;
1191     return (SamplesIterator != pSamples->end()) ? *SamplesIterator : NULL;
1192     }
1193    
1194     void File::LoadSamples() {
1195 schoenebeck 823 if (!pSamples) pSamples = new SampleList;
1196 schoenebeck 2 RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL);
1197     if (wvpl) {
1198     unsigned long wvplFileOffset = wvpl->GetFilePos();
1199     RIFF::List* wave = wvpl->GetFirstSubList();
1200     while (wave) {
1201     if (wave->GetListType() == LIST_TYPE_WAVE) {
1202     unsigned long waveFileOffset = wave->GetFilePos();
1203     pSamples->push_back(new Sample(this, wave, waveFileOffset - wvplFileOffset));
1204     }
1205     wave = wvpl->GetNextSubList();
1206     }
1207     }
1208     else { // Seen a dwpl list chunk instead of a wvpl list chunk in some file (officially not DLS compliant)
1209     RIFF::List* dwpl = pRIFF->GetSubList(LIST_TYPE_DWPL);
1210     if (dwpl) {
1211     unsigned long dwplFileOffset = dwpl->GetFilePos();
1212     RIFF::List* wave = dwpl->GetFirstSubList();
1213     while (wave) {
1214     if (wave->GetListType() == LIST_TYPE_WAVE) {
1215     unsigned long waveFileOffset = wave->GetFilePos();
1216     pSamples->push_back(new Sample(this, wave, waveFileOffset - dwplFileOffset));
1217     }
1218     wave = dwpl->GetNextSubList();
1219     }
1220     }
1221     }
1222     }
1223    
1224 schoenebeck 800 /** @brief Add a new sample.
1225     *
1226     * This will create a new Sample object for the DLS file. You have to
1227     * call Save() to make this persistent to the file.
1228     *
1229     * @returns pointer to new Sample object
1230     */
1231     Sample* File::AddSample() {
1232 schoenebeck 809 if (!pSamples) LoadSamples();
1233 schoenebeck 800 __ensureMandatoryChunksExist();
1234     RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL);
1235     // create new Sample object and its respective 'wave' list chunk
1236     RIFF::List* wave = wvpl->AddSubList(LIST_TYPE_WAVE);
1237     Sample* pSample = new Sample(this, wave, 0 /*arbitrary value, we update offsets when we save*/);
1238     pSamples->push_back(pSample);
1239     return pSample;
1240     }
1241    
1242     /** @brief Delete a sample.
1243     *
1244     * This will delete the given Sample object from the DLS file. You have
1245     * to call Save() to make this persistent to the file.
1246     *
1247     * @param pSample - sample to delete
1248     */
1249     void File::DeleteSample(Sample* pSample) {
1250 schoenebeck 802 if (!pSamples) return;
1251 schoenebeck 800 SampleList::iterator iter = find(pSamples->begin(), pSamples->end(), pSample);
1252     if (iter == pSamples->end()) return;
1253     pSamples->erase(iter);
1254     delete pSample;
1255     }
1256    
1257 schoenebeck 2 Instrument* File::GetFirstInstrument() {
1258     if (!pInstruments) LoadInstruments();
1259     if (!pInstruments) return NULL;
1260     InstrumentsIterator = pInstruments->begin();
1261     return (InstrumentsIterator != pInstruments->end()) ? *InstrumentsIterator : NULL;
1262     }
1263    
1264     Instrument* File::GetNextInstrument() {
1265     if (!pInstruments) return NULL;
1266     InstrumentsIterator++;
1267     return (InstrumentsIterator != pInstruments->end()) ? *InstrumentsIterator : NULL;
1268     }
1269    
1270     void File::LoadInstruments() {
1271 schoenebeck 823 if (!pInstruments) pInstruments = new InstrumentList;
1272 schoenebeck 2 RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS);
1273     if (lstInstruments) {
1274     RIFF::List* lstInstr = lstInstruments->GetFirstSubList();
1275     while (lstInstr) {
1276     if (lstInstr->GetListType() == LIST_TYPE_INS) {
1277     pInstruments->push_back(new Instrument(this, lstInstr));
1278     }
1279     lstInstr = lstInstruments->GetNextSubList();
1280     }
1281     }
1282     }
1283    
1284 schoenebeck 800 /** @brief Add a new instrument definition.
1285     *
1286     * This will create a new Instrument object for the DLS file. You have
1287     * to call Save() to make this persistent to the file.
1288     *
1289     * @returns pointer to new Instrument object
1290     */
1291     Instrument* File::AddInstrument() {
1292 schoenebeck 809 if (!pInstruments) LoadInstruments();
1293 schoenebeck 800 __ensureMandatoryChunksExist();
1294     RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS);
1295     RIFF::List* lstInstr = lstInstruments->AddSubList(LIST_TYPE_INS);
1296     Instrument* pInstrument = new Instrument(this, lstInstr);
1297     pInstruments->push_back(pInstrument);
1298     return pInstrument;
1299     }
1300 schoenebeck 2
1301 schoenebeck 809 /** @brief Delete an instrument.
1302 schoenebeck 800 *
1303     * This will delete the given Instrument object from the DLS file. You
1304     * have to call Save() to make this persistent to the file.
1305     *
1306     * @param pInstrument - instrument to delete
1307     */
1308     void File::DeleteInstrument(Instrument* pInstrument) {
1309 schoenebeck 802 if (!pInstruments) return;
1310 schoenebeck 800 InstrumentList::iterator iter = find(pInstruments->begin(), pInstruments->end(), pInstrument);
1311     if (iter == pInstruments->end()) return;
1312     pInstruments->erase(iter);
1313     delete pInstrument;
1314     }
1315 schoenebeck 2
1316 schoenebeck 800 /**
1317     * Apply all the DLS file's current instruments, samples and settings to
1318     * the respective RIFF chunks. You have to call Save() to make changes
1319     * persistent.
1320     *
1321     * @throws Exception - on errors
1322     */
1323     void File::UpdateChunks() {
1324     // first update base class's chunks
1325     Resource::UpdateChunks();
1326    
1327     // if version struct exists, update 'vers' chunk
1328     if (pVersion) {
1329     RIFF::Chunk* ckVersion = pRIFF->GetSubChunk(CHUNK_ID_VERS);
1330     if (!ckVersion) ckVersion = pRIFF->AddSubChunk(CHUNK_ID_VERS, 8);
1331     uint8_t* pData = (uint8_t*) ckVersion->LoadChunkData();
1332 persson 1179 store16(&pData[0], pVersion->minor);
1333     store16(&pData[2], pVersion->major);
1334     store16(&pData[4], pVersion->build);
1335     store16(&pData[6], pVersion->release);
1336 schoenebeck 800 }
1337    
1338     // update 'colh' chunk
1339     Instruments = (pInstruments) ? pInstruments->size() : 0;
1340     RIFF::Chunk* colh = pRIFF->GetSubChunk(CHUNK_ID_COLH);
1341     if (!colh) colh = pRIFF->AddSubChunk(CHUNK_ID_COLH, 4);
1342     uint8_t* pData = (uint8_t*) colh->LoadChunkData();
1343 persson 1179 store32(pData, Instruments);
1344 schoenebeck 800
1345     // update instrument's chunks
1346     if (pInstruments) {
1347     InstrumentList::iterator iter = pInstruments->begin();
1348     InstrumentList::iterator end = pInstruments->end();
1349     for (; iter != end; ++iter) {
1350     (*iter)->UpdateChunks();
1351     }
1352     }
1353    
1354     // update 'ptbl' chunk
1355     const int iSamples = (pSamples) ? pSamples->size() : 0;
1356     const int iPtblOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4;
1357     RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL);
1358     if (!ptbl) ptbl = pRIFF->AddSubChunk(CHUNK_ID_PTBL, 1 /*anything, we'll resize*/);
1359     const int iPtblSize = WavePoolHeaderSize + iPtblOffsetSize * iSamples;
1360     ptbl->Resize(iPtblSize);
1361     pData = (uint8_t*) ptbl->LoadChunkData();
1362     WavePoolCount = iSamples;
1363 persson 1179 store32(&pData[4], WavePoolCount);
1364 schoenebeck 800 // we actually update the sample offsets in the pool table when we Save()
1365     memset(&pData[WavePoolHeaderSize], 0, iPtblSize - WavePoolHeaderSize);
1366    
1367     // update sample's chunks
1368     if (pSamples) {
1369     SampleList::iterator iter = pSamples->begin();
1370     SampleList::iterator end = pSamples->end();
1371     for (; iter != end; ++iter) {
1372     (*iter)->UpdateChunks();
1373     }
1374     }
1375     }
1376    
1377     /** @brief Save changes to another file.
1378     *
1379     * Make all changes persistent by writing them to another file.
1380     * <b>Caution:</b> this method is optimized for writing to
1381     * <b>another</b> file, do not use it to save the changes to the same
1382     * file! Use Save() (without path argument) in that case instead!
1383     * Ignoring this might result in a corrupted file!
1384     *
1385     * After calling this method, this File object will be associated with
1386     * the new file (given by \a Path) afterwards.
1387     *
1388     * @param Path - path and file name where everything should be written to
1389     */
1390     void File::Save(const String& Path) {
1391     UpdateChunks();
1392     pRIFF->Save(Path);
1393     __UpdateWavePoolTableChunk();
1394     }
1395    
1396     /** @brief Save changes to same file.
1397     *
1398     * Make all changes persistent by writing them to the actual (same)
1399     * file. The file might temporarily grow to a higher size than it will
1400     * have at the end of the saving process.
1401     *
1402     * @throws RIFF::Exception if any kind of IO error occured
1403     * @throws DLS::Exception if any kind of DLS specific error occured
1404     */
1405     void File::Save() {
1406     UpdateChunks();
1407     pRIFF->Save();
1408     __UpdateWavePoolTableChunk();
1409     }
1410    
1411     /**
1412     * Checks if all (for DLS) mandatory chunks exist, if not they will be
1413     * created. Note that those chunks will not be made persistent until
1414     * Save() was called.
1415     */
1416     void File::__ensureMandatoryChunksExist() {
1417     // enusre 'lins' list chunk exists (mandatory for instrument definitions)
1418     RIFF::List* lstInstruments = pRIFF->GetSubList(LIST_TYPE_LINS);
1419     if (!lstInstruments) pRIFF->AddSubList(LIST_TYPE_LINS);
1420     // ensure 'ptbl' chunk exists (mandatory for samples)
1421     RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL);
1422     if (!ptbl) {
1423     const int iOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4;
1424     ptbl = pRIFF->AddSubChunk(CHUNK_ID_PTBL, WavePoolHeaderSize + iOffsetSize);
1425     }
1426     // enusre 'wvpl' list chunk exists (mandatory for samples)
1427     RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL);
1428     if (!wvpl) pRIFF->AddSubList(LIST_TYPE_WVPL);
1429     }
1430    
1431     /**
1432     * Updates (persistently) the wave pool table with offsets to all
1433     * currently available samples. <b>Caution:</b> this method assumes the
1434 schoenebeck 804 * 'ptbl' chunk to be already of the correct size and the file to be
1435     * writable, so usually this method is only called after a Save() call.
1436 schoenebeck 800 *
1437     * @throws Exception - if 'ptbl' chunk is too small (should only occur
1438     * if there's a bug)
1439     */
1440     void File::__UpdateWavePoolTableChunk() {
1441     __UpdateWavePoolTable();
1442     RIFF::Chunk* ptbl = pRIFF->GetSubChunk(CHUNK_ID_PTBL);
1443     const int iOffsetSize = (b64BitWavePoolOffsets) ? 8 : 4;
1444     // check if 'ptbl' chunk is large enough
1445 schoenebeck 802 WavePoolCount = (pSamples) ? pSamples->size() : 0;
1446 schoenebeck 800 const unsigned long ulRequiredSize = WavePoolHeaderSize + iOffsetSize * WavePoolCount;
1447     if (ptbl->GetSize() < ulRequiredSize) throw Exception("Fatal error, 'ptbl' chunk too small");
1448 schoenebeck 804 // save the 'ptbl' chunk's current read/write position
1449     unsigned long ulOriginalPos = ptbl->GetPos();
1450 schoenebeck 800 // update headers
1451 schoenebeck 804 ptbl->SetPos(0);
1452 persson 1179 uint32_t tmp = WavePoolHeaderSize;
1453     ptbl->WriteUint32(&tmp);
1454     tmp = WavePoolCount;
1455     ptbl->WriteUint32(&tmp);
1456 schoenebeck 800 // update offsets
1457 schoenebeck 804 ptbl->SetPos(WavePoolHeaderSize);
1458 schoenebeck 800 if (b64BitWavePoolOffsets) {
1459     for (int i = 0 ; i < WavePoolCount ; i++) {
1460 persson 1179 tmp = pWavePoolTableHi[i];
1461     ptbl->WriteUint32(&tmp);
1462     tmp = pWavePoolTable[i];
1463     ptbl->WriteUint32(&tmp);
1464 schoenebeck 800 }
1465     } else { // conventional 32 bit offsets
1466 persson 1179 for (int i = 0 ; i < WavePoolCount ; i++) {
1467     tmp = pWavePoolTable[i];
1468     ptbl->WriteUint32(&tmp);
1469     }
1470 schoenebeck 800 }
1471 schoenebeck 804 // restore 'ptbl' chunk's original read/write position
1472     ptbl->SetPos(ulOriginalPos);
1473 schoenebeck 800 }
1474    
1475     /**
1476     * Updates the wave pool table with offsets to all currently available
1477     * samples. <b>Caution:</b> this method assumes the 'wvpl' list chunk
1478     * exists already.
1479     */
1480     void File::__UpdateWavePoolTable() {
1481 schoenebeck 802 WavePoolCount = (pSamples) ? pSamples->size() : 0;
1482 schoenebeck 800 // resize wave pool table arrays
1483     if (pWavePoolTable) delete[] pWavePoolTable;
1484     if (pWavePoolTableHi) delete[] pWavePoolTableHi;
1485     pWavePoolTable = new uint32_t[WavePoolCount];
1486     pWavePoolTableHi = new uint32_t[WavePoolCount];
1487 schoenebeck 802 if (!pSamples) return;
1488 schoenebeck 800 // update offsets int wave pool table
1489     RIFF::List* wvpl = pRIFF->GetSubList(LIST_TYPE_WVPL);
1490     uint64_t wvplFileOffset = wvpl->GetFilePos();
1491     if (b64BitWavePoolOffsets) {
1492     SampleList::iterator iter = pSamples->begin();
1493     SampleList::iterator end = pSamples->end();
1494     for (int i = 0 ; iter != end ; ++iter, i++) {
1495 schoenebeck 804 uint64_t _64BitOffset = (*iter)->pWaveList->GetFilePos() - wvplFileOffset - LIST_HEADER_SIZE;
1496 schoenebeck 800 (*iter)->ulWavePoolOffset = _64BitOffset;
1497     pWavePoolTableHi[i] = (uint32_t) (_64BitOffset >> 32);
1498     pWavePoolTable[i] = (uint32_t) _64BitOffset;
1499     }
1500     } else { // conventional 32 bit offsets
1501     SampleList::iterator iter = pSamples->begin();
1502     SampleList::iterator end = pSamples->end();
1503     for (int i = 0 ; iter != end ; ++iter, i++) {
1504 schoenebeck 804 uint64_t _64BitOffset = (*iter)->pWaveList->GetFilePos() - wvplFileOffset - LIST_HEADER_SIZE;
1505 schoenebeck 800 (*iter)->ulWavePoolOffset = _64BitOffset;
1506     pWavePoolTable[i] = (uint32_t) _64BitOffset;
1507     }
1508     }
1509     }
1510    
1511    
1512    
1513 schoenebeck 2 // *************** Exception ***************
1514     // *
1515    
1516     Exception::Exception(String Message) : RIFF::Exception(Message) {
1517     }
1518    
1519     void Exception::PrintMessage() {
1520     std::cout << "DLS::Exception: " << Message << std::endl;
1521     }
1522    
1523 schoenebeck 518
1524     // *************** functions ***************
1525     // *
1526    
1527     /**
1528     * Returns the name of this C++ library. This is usually "libgig" of
1529     * course. This call is equivalent to RIFF::libraryName() and
1530     * gig::libraryName().
1531     */
1532     String libraryName() {
1533     return PACKAGE;
1534     }
1535    
1536     /**
1537     * Returns version of this C++ library. This call is equivalent to
1538     * RIFF::libraryVersion() and gig::libraryVersion().
1539     */
1540     String libraryVersion() {
1541     return VERSION;
1542     }
1543    
1544 schoenebeck 2 } // namespace DLS

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