1 |
/*************************************************************************** |
2 |
* * |
3 |
* libgig - C++ cross-platform Gigasampler format file access library * |
4 |
* * |
5 |
* Copyright (C) 2003-2016 by Christian Schoenebeck * |
6 |
* <cuse@users.sourceforge.net> * |
7 |
* * |
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 |
#ifndef __DLS_H__ |
25 |
#define __DLS_H__ |
26 |
|
27 |
#include "RIFF.h" |
28 |
|
29 |
#if WORDS_BIGENDIAN |
30 |
# define RIFF_TYPE_DLS 0x444C5320 |
31 |
# define LIST_TYPE_WVPL 0x7776706C |
32 |
# define LIST_TYPE_DWPL 0x6477706C ///< Seen on some files instead of a wvpl list chunk. |
33 |
# define LIST_TYPE_WAVE 0x77617665 |
34 |
# define LIST_TYPE_LINS 0X6C696E73 |
35 |
# define LIST_TYPE_INS 0X696E7320 |
36 |
# define LIST_TYPE_LRGN 0x6C72676E |
37 |
# define LIST_TYPE_LART 0x6C617274 |
38 |
# define LIST_TYPE_LAR2 0x6C617232 |
39 |
# define LIST_TYPE_RGN 0x72676E20 |
40 |
# define LIST_TYPE_RGN2 0x72676E32 |
41 |
# define CHUNK_ID_IARL 0x4941524C |
42 |
# define CHUNK_ID_IART 0x49415254 |
43 |
# define CHUNK_ID_ICMS 0x49434D53 |
44 |
# define CHUNK_ID_IGNR 0x49474E52 |
45 |
# define CHUNK_ID_IKEY 0x494B4559 |
46 |
# define CHUNK_ID_IMED 0x494D4544 |
47 |
# define CHUNK_ID_ISBJ 0x4953424A |
48 |
# define CHUNK_ID_ISRC 0x49535243 |
49 |
# define CHUNK_ID_ISRF 0x49535246 |
50 |
# define CHUNK_ID_ITCH 0x49544348 |
51 |
# define CHUNK_ID_VERS 0x76657273 |
52 |
# define CHUNK_ID_DLID 0x646C6964 |
53 |
# define CHUNK_ID_FMT 0x666D7420 |
54 |
# define CHUNK_ID_DATA 0x64617461 |
55 |
# define CHUNK_ID_INSH 0x696E7368 |
56 |
# define CHUNK_ID_RGNH 0x72676E68 |
57 |
# define CHUNK_ID_WLNK 0x776C6E6B |
58 |
# define CHUNK_ID_PTBL 0x7074626C |
59 |
# define CHUNK_ID_WSMP 0x77736D70 |
60 |
# define CHUNK_ID_COLH 0x636F6C68 |
61 |
# define CHUNK_ID_ARTL 0x6172746C |
62 |
# define CHUNK_ID_ART2 0x61727432 |
63 |
#else // little endian |
64 |
# define RIFF_TYPE_DLS 0x20534C44 |
65 |
# define LIST_TYPE_WVPL 0x6C707677 |
66 |
# define LIST_TYPE_DWPL 0x6C707764 ///< Seen on some files instead of a wvpl list chunk. |
67 |
# define LIST_TYPE_WAVE 0x65766177 |
68 |
# define LIST_TYPE_LINS 0X736E696C |
69 |
# define LIST_TYPE_INS 0X20736E69 |
70 |
# define LIST_TYPE_LRGN 0x6E67726C |
71 |
# define LIST_TYPE_LART 0x7472616C |
72 |
# define LIST_TYPE_LAR2 0x3272616C |
73 |
# define LIST_TYPE_RGN 0x206E6772 |
74 |
# define LIST_TYPE_RGN2 0x326E6772 |
75 |
# define CHUNK_ID_IARL 0x4C524149 |
76 |
# define CHUNK_ID_IART 0x54524149 |
77 |
# define CHUNK_ID_ICMS 0x534D4349 |
78 |
# define CHUNK_ID_IGNR 0x524E4749 |
79 |
# define CHUNK_ID_IKEY 0x59454B49 |
80 |
# define CHUNK_ID_IMED 0x44454D49 |
81 |
# define CHUNK_ID_ISBJ 0x4A425349 |
82 |
# define CHUNK_ID_ISRC 0x43525349 |
83 |
# define CHUNK_ID_ISRF 0x46525349 |
84 |
# define CHUNK_ID_ITCH 0x48435449 |
85 |
# define CHUNK_ID_VERS 0x73726576 |
86 |
# define CHUNK_ID_DLID 0x64696C64 |
87 |
# define CHUNK_ID_FMT 0x20746D66 |
88 |
# define CHUNK_ID_DATA 0x61746164 |
89 |
# define CHUNK_ID_INSH 0x68736E69 |
90 |
# define CHUNK_ID_RGNH 0x686E6772 |
91 |
# define CHUNK_ID_WLNK 0x6B6E6C77 |
92 |
# define CHUNK_ID_PTBL 0x6C627470 |
93 |
# define CHUNK_ID_WSMP 0x706D7377 |
94 |
# define CHUNK_ID_COLH 0x686C6F63 |
95 |
# define CHUNK_ID_ARTL 0x6C747261 |
96 |
# define CHUNK_ID_ART2 0x32747261 |
97 |
#endif // WORDS_BIGENDIAN |
98 |
|
99 |
#define DLS_WAVE_FORMAT_PCM 0x0001 |
100 |
|
101 |
//TODO: no support for conditional chunks <cdl> yet |
102 |
|
103 |
/** DLS specific classes and definitions */ |
104 |
namespace DLS { |
105 |
|
106 |
typedef std::string String; |
107 |
typedef RIFF::progress_t progress_t; |
108 |
typedef RIFF::file_offset_t file_offset_t; |
109 |
|
110 |
/** Quadtuple version number ("major.minor.release.build"). */ |
111 |
struct version_t { |
112 |
uint16_t minor; |
113 |
uint16_t major; |
114 |
uint16_t build; |
115 |
uint16_t release; |
116 |
}; |
117 |
|
118 |
/** Every subject of an DLS file and the file itself can have an unique, computer generated ID. */ |
119 |
struct dlsid_t { |
120 |
uint32_t ulData1; |
121 |
uint16_t usData2; |
122 |
uint16_t usData3; |
123 |
uint8_t abData[8]; |
124 |
}; |
125 |
|
126 |
/** Connection Sources */ |
127 |
typedef enum { |
128 |
// Modulator Sources |
129 |
conn_src_none = 0x0000, |
130 |
conn_src_lfo = 0x0001, |
131 |
conn_src_keyonvelocity = 0x0002, |
132 |
conn_src_keynumber = 0x0003, |
133 |
conn_src_eg1 = 0x0004, |
134 |
conn_src_eg2 = 0x0005, |
135 |
conn_src_pitchwheel = 0x0006, |
136 |
conn_src_polypressure = 0x0007, |
137 |
conn_src_channelpressure = 0x0008, |
138 |
conn_src_vibrato = 0x0009, |
139 |
// MIDI Controller Sources |
140 |
conn_src_cc1 = 0x0081, |
141 |
conn_src_cc7 = 0x0087, |
142 |
conn_src_cc10 = 0x008A, |
143 |
conn_src_cc11 = 0x008B, |
144 |
conn_src_cc91 = 0x00DB, |
145 |
conn_src_cc93 = 0x00DD, |
146 |
// Registered Parameter Numbers |
147 |
conn_src_rpn0 = 0x0100, |
148 |
conn_src_rpn1 = 0x0101, |
149 |
conn_src_rpn2 = 0x0102 |
150 |
} conn_src_t; |
151 |
|
152 |
/** Connection Destinations */ |
153 |
typedef enum { |
154 |
// Generic Destinations |
155 |
conn_dst_none = 0x0000, |
156 |
conn_dst_gain = 0x0001, |
157 |
conn_dst_reserved = 0x0002, |
158 |
conn_dst_pitch = 0x0003, |
159 |
conn_dst_pan = 0x0004, |
160 |
conn_dst_keynumber = 0x0005, |
161 |
// Channel Output Destinations |
162 |
conn_dst_left = 0x0010, |
163 |
conn_dst_right = 0x0011, |
164 |
conn_dst_center = 0x0012, |
165 |
conn_dst_lfe_channel = 0x0013, |
166 |
conn_dst_leftrear = 0x0014, |
167 |
conn_dst_rightrear = 0x0015, |
168 |
conn_dst_chorus = 0x0080, |
169 |
conn_dst_reverb = 0x0081, |
170 |
// Modulator LFO Destinations |
171 |
conn_dst_lfo_frequency = 0x0104, |
172 |
conn_dst_lfo_startdelay = 0x0105, |
173 |
// Vibrato LFO Destinations |
174 |
conn_dst_vib_frequency = 0x0114, |
175 |
conn_dst_vib_startdelay = 0x0115, |
176 |
// EG Destinations |
177 |
conn_dst_eg1_attacktime = 0x0206, |
178 |
conn_dst_eg1_decaytime = 0x0207, |
179 |
conn_dst_eg1_reserved = 0x0208, |
180 |
conn_dst_eg1_releasetime = 0x0209, |
181 |
conn_dst_eg1_sustainlevel = 0x020A, |
182 |
conn_dst_eg1_delaytime = 0x020B, |
183 |
conn_dst_eg1_holdtime = 0x020C, |
184 |
conn_dst_eg1_shutdowntime = 0x020D, |
185 |
conn_dst_eg2_attacktime = 0x030A, |
186 |
conn_dst_eg2_decaytime = 0x030B, |
187 |
conn_dst_eg2_reserved = 0x030C, |
188 |
conn_dst_eg2_releasetime = 0x030D, |
189 |
conn_dst_eg2_sustainlevel = 0x030E, |
190 |
conn_dst_eg2_delaytime = 0x030F, |
191 |
conn_dst_eg2_holdtime = 0x0310, |
192 |
// Filter Destinations |
193 |
conn_dst_filter_cutoff = 0x0500, |
194 |
conn_dst_filter_q = 0x0501 |
195 |
} conn_dst_t; |
196 |
|
197 |
/** Connection Transforms */ |
198 |
typedef enum { |
199 |
conn_trn_none = 0x0000, |
200 |
conn_trn_concave = 0x0001, |
201 |
conn_trn_convex = 0x0002, |
202 |
conn_trn_switch = 0x0003 |
203 |
} conn_trn_t; |
204 |
|
205 |
/** Lower and upper limit of a range. */ |
206 |
struct range_t { |
207 |
uint16_t low; ///< Low value of range. |
208 |
uint16_t high; ///< High value of range. |
209 |
|
210 |
inline bool operator< (const range_t& other) const { |
211 |
if (low < other.low) return true; |
212 |
if (low > other.low) return false; |
213 |
return high < other.high; |
214 |
} |
215 |
|
216 |
inline bool operator== (const range_t& other) const { |
217 |
return low == other.low && high == other.high; |
218 |
} |
219 |
|
220 |
inline bool overlaps(uint16_t scalar) const { |
221 |
return low <= scalar && scalar <= high; |
222 |
} |
223 |
|
224 |
inline bool overlaps(const range_t& other) const { |
225 |
return overlaps(other.low) || overlaps(other.high) || |
226 |
other.overlaps(low) || other.overlaps(high); |
227 |
} |
228 |
}; |
229 |
|
230 |
/** Defines Sample Loop Points. */ |
231 |
struct sample_loop_t { |
232 |
uint32_t Size; ///< For internal usage only: usually reflects exactly @c sizeof(sample_loop_t), otherwise if the value is larger then the DLS format was extended! |
233 |
uint32_t LoopType; ///< Defines how the waveform samples will be looped (appropriate loop types for the gig format are defined by gig::loop_type_t). |
234 |
uint32_t LoopStart; ///< The start value specifies the offset (in sample points) in the waveform data of the first sample point to be played in the loop. |
235 |
uint32_t LoopLength; ///< Length of the looping area (in sample points). |
236 |
}; |
237 |
|
238 |
// just symbol prototyping |
239 |
class File; |
240 |
class Instrument; |
241 |
class Region; |
242 |
class Sample; |
243 |
|
244 |
/** Defines a connection within the synthesis model. */ |
245 |
class Connection { |
246 |
public: |
247 |
conn_src_t Source; |
248 |
conn_trn_t SourceTransform; |
249 |
bool SourceInvert; |
250 |
bool SourceBipolar; |
251 |
conn_src_t Control; |
252 |
conn_trn_t ControlTransform; |
253 |
bool ControlInvert; |
254 |
bool ControlBipolar; |
255 |
conn_dst_t Destination; |
256 |
conn_trn_t DestinationTransform; |
257 |
uint32_t Scale; |
258 |
protected: |
259 |
struct conn_block_t { |
260 |
uint16_t source; |
261 |
uint16_t control; |
262 |
uint16_t destination; |
263 |
uint16_t transform; |
264 |
uint32_t scale; |
265 |
}; |
266 |
Connection() {} |
267 |
void Init(conn_block_t* Header); |
268 |
conn_block_t ToConnBlock(); |
269 |
virtual ~Connection() {} |
270 |
friend class Articulation; |
271 |
}; |
272 |
|
273 |
/** Provides access to the defined connections used for the synthesis model. */ |
274 |
class Articulation { |
275 |
public: |
276 |
Connection* pConnections; ///< Points to the beginning of a <i>Connection</i> array. |
277 |
uint32_t Connections; ///< Reflects the number of Connections. |
278 |
|
279 |
Articulation(RIFF::Chunk* artl); |
280 |
virtual ~Articulation(); |
281 |
virtual void UpdateChunks(progress_t* pProgress); |
282 |
protected: |
283 |
RIFF::Chunk* pArticulationCk; |
284 |
uint32_t HeaderSize; |
285 |
}; |
286 |
|
287 |
/** Abstract base class for classes that provide articulation information (thus for <i>Instrument</i> and <i>Region</i> class). */ |
288 |
class Articulator { |
289 |
public: |
290 |
Articulator(RIFF::List* ParentList); |
291 |
Articulation* GetFirstArticulation(); |
292 |
Articulation* GetNextArticulation(); |
293 |
virtual void UpdateChunks(progress_t* pProgress); |
294 |
virtual void CopyAssign(const Articulator* orig); |
295 |
protected: |
296 |
typedef std::list<Articulation*> ArticulationList; |
297 |
RIFF::List* pParentList; |
298 |
ArticulationList* pArticulations; |
299 |
ArticulationList::iterator ArticulationsIterator; |
300 |
|
301 |
void LoadArticulations(); |
302 |
virtual ~Articulator(); |
303 |
}; |
304 |
|
305 |
/** Optional information for DLS files, instruments, samples, etc. */ |
306 |
class Info { |
307 |
public: |
308 |
String Name; ///< <INAM-ck>. Stores the title of the subject of the file, such as, Seattle From Above. |
309 |
String ArchivalLocation; ///< <IARL-ck>. Indicates where the subject of the file is stored. |
310 |
String CreationDate; ///< <ICRD-ck>. Specifies the date the subject of the file was created. List dates in yyyy-mm-dd format. |
311 |
String Comments; ///< <ICMT-ck>. Provides general comments about the file or the subject of the file. Sentences might end with semicolon. |
312 |
String Product; ///< <IPRD-ck>. Specifies the name of the title the file was originally intended for, such as World Ruler V. |
313 |
String Copyright; ///< <ICOP-ck>. Records the copyright information for the file. |
314 |
String Artists; ///< <IART-ck>. Lists the artist of the original subject of the file. |
315 |
String Genre; ///< <IGNR-ck>. Descirbes the original work, such as, Jazz, Classic, Rock, Techno, Rave, etc. |
316 |
String Keywords; ///< <IKEY-ck>. Provides a list of keywords that refer to the file or subject of the file. Keywords are separated with semicolon and blank, e.g., FX; death; murder. |
317 |
String Engineer; ///< <IENG-ck>. Stores the name of the engineer who worked on the file. Multiple engineer names are separated by semicolon and blank, e.g, Smith, John; Adams, Joe. |
318 |
String Technician; ///< <ITCH-ck>. Identifies the technician who sampled the subject file. |
319 |
String Software; ///< <ISFT-ck>. Identifies the name of the sofware package used to create the file. |
320 |
String Medium; ///< <IMED-ck>. Describes the original subject of the file, such as, record, CD, and so forth. |
321 |
String Source; ///< <ISRC-ck>. Identifies the name of the person or organization who supplied the original subject of the file. |
322 |
String SourceForm; ///< <ISRF-ck>. Identifies the original form of the material that was digitized, such as record, sampling CD, TV sound track. This is not neccessarily the same as <i>Medium</i>. |
323 |
String Commissioned; ///< <ICMS-ck>. Lists the name of the person or organization that commissioned the subject of the file, e.g., Pope Julian II. |
324 |
String Subject; ///< <ISBJ-ck>. Describes the contents of the file. |
325 |
bool UseFixedLengthStrings; ///< @deprecated Not used anymore, use SetFixedStringLengths() instead. |
326 |
|
327 |
struct string_length_t { |
328 |
uint32_t chunkId; |
329 |
int length; |
330 |
}; |
331 |
|
332 |
Info(RIFF::List* list); |
333 |
void SetFixedStringLengths(const string_length_t* lengths); |
334 |
virtual ~Info(); |
335 |
virtual void UpdateChunks(progress_t* pProgress); |
336 |
virtual void CopyAssign(const Info* orig); |
337 |
private: |
338 |
RIFF::List* pResourceListChunk; |
339 |
const string_length_t* pFixedStringLengths; ///< List of IDs and string lengths for strings that should be stored in a fixed length format. This is used for gig files, not for ordinary DLS files. |
340 |
|
341 |
static void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s); |
342 |
void SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault); |
343 |
}; |
344 |
|
345 |
/** Abstract base class which encapsulates data structures which all DLS resources are able to provide. */ |
346 |
class Resource { |
347 |
public: |
348 |
Info* pInfo; ///< Points (in any case) to an <i>Info</i> object, providing additional, optional infos and comments. |
349 |
dlsid_t* pDLSID; ///< Points to a <i>dlsid_t</i> structure if the file provided a DLS ID else is <i>NULL</i>. |
350 |
|
351 |
Resource* GetParent() { return pParent; } |
352 |
const Resource* GetParent() const { return pParent; } |
353 |
virtual void UpdateChunks(progress_t* pProgress); |
354 |
void GenerateDLSID(); |
355 |
virtual void CopyAssign(const Resource* orig); |
356 |
protected: |
357 |
Resource* pParent; |
358 |
RIFF::List* pResourceList; |
359 |
|
360 |
Resource(Resource* Parent, RIFF::List* lstResource); |
361 |
virtual ~Resource(); |
362 |
}; |
363 |
|
364 |
/** Abstract base class which provides mandatory informations about sample players in general. */ |
365 |
class Sampler { |
366 |
public: |
367 |
uint8_t UnityNote; |
368 |
int16_t FineTune; |
369 |
int32_t Gain; ///< @deprecated Don't alter directly, use SetGain() instead! |
370 |
bool NoSampleDepthTruncation; |
371 |
bool NoSampleCompression; |
372 |
uint32_t SampleLoops; ///< Reflects the number of sample loops. |
373 |
sample_loop_t* pSampleLoops; ///< Points to the beginning of a sample loop array, or is NULL if there are no loops defined. |
374 |
|
375 |
void AddSampleLoop(sample_loop_t* pLoopDef); |
376 |
void DeleteSampleLoop(sample_loop_t* pLoopDef); |
377 |
virtual void SetGain(int32_t gain); |
378 |
virtual void UpdateChunks(progress_t* pProgress); |
379 |
virtual void CopyAssign(const Sampler* orig); |
380 |
protected: |
381 |
RIFF::List* pParentList; |
382 |
uint32_t uiHeaderSize; |
383 |
uint32_t SamplerOptions; |
384 |
Sampler(RIFF::List* ParentList); |
385 |
virtual ~Sampler(); |
386 |
}; |
387 |
|
388 |
/** @brief Encapsulates sample waves used for playback. |
389 |
* |
390 |
* In case you created a new sample with File::AddSample(), you should |
391 |
* first update all attributes with the desired meta informations |
392 |
* (amount of channels, bit depth, sample rate, etc.), then call |
393 |
* Resize() with the desired sample size. The latter will create |
394 |
* the mandatory RIFF chunk which will hold the sample wave data. |
395 |
*/ |
396 |
class Sample : public Resource { |
397 |
public: |
398 |
uint16_t FormatTag; ///< Format ID of the waveform data (should be DLS_WAVE_FORMAT_PCM for DLS1 compliant files, this is also the default value if Sample was created with Instrument::AddSample()). |
399 |
uint16_t Channels; ///< Number of channels represented in the waveform data, e.g. 1 for mono, 2 for stereo (defaults to 1=mono if Sample was created with Instrument::AddSample() previously). |
400 |
uint32_t SamplesPerSecond; ///< Sampling rate at which each channel should be played (defaults to 44100 if Sample was created with Instrument::AddSample() previously). |
401 |
uint32_t AverageBytesPerSecond; ///< The average number of bytes per second at which the waveform data should be transferred (Playback software can estimate the buffer size using this value). |
402 |
uint16_t BlockAlign; ///< The block alignment (in bytes) of the waveform data. Playback software needs to process a multiple of <i>BlockAlign</i> bytes of data at a time, so the value of <i>BlockAlign</i> can be used for buffer alignment. |
403 |
uint16_t BitDepth; ///< Size of each sample per channel (only if known sample data format is used, 0 otherwise). |
404 |
file_offset_t SamplesTotal; ///< Reflects total number of sample points (only if known sample data format is used, 0 otherwise), do not bother to change this value, it will not be saved. |
405 |
uint FrameSize; ///< Reflects the size (in bytes) of one single sample point (only if known sample data format is used, 0 otherwise). <b>Caution:</b> with the current version of libgig you have to upate this field by yourself whenever you change one of the following fields: Channels, BitDepth ! Ignoring this might lead to undesired behavior when i.e. calling Resize(), SetPos(), Write() or Read(). |
406 |
|
407 |
void* LoadSampleData(); |
408 |
void ReleaseSampleData(); |
409 |
file_offset_t GetSize() const; |
410 |
void Resize(int iNewSize); |
411 |
file_offset_t SetPos(file_offset_t SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start); |
412 |
file_offset_t Read(void* pBuffer, file_offset_t SampleCount); |
413 |
file_offset_t Write(void* pBuffer, file_offset_t SampleCount); |
414 |
virtual void UpdateChunks(progress_t* pProgress); |
415 |
virtual void CopyAssign(const Sample* orig); |
416 |
|
417 |
protected: |
418 |
RIFF::List* pWaveList; |
419 |
RIFF::Chunk* pCkData; |
420 |
RIFF::Chunk* pCkFormat; |
421 |
file_offset_t ullWavePoolOffset; // needed for comparison with the wave pool link table, thus the link to instruments |
422 |
|
423 |
Sample(File* pFile, RIFF::List* waveList, file_offset_t WavePoolOffset); |
424 |
virtual ~Sample(); |
425 |
void CopyAssignCore(const Sample* orig); |
426 |
friend class File; |
427 |
friend class Region; // Region has to compare the wave pool offset to get its sample |
428 |
}; |
429 |
|
430 |
/** Defines <i>Region</i> information of an <i>Instrument</i>. */ |
431 |
class Region : public Resource, public Articulator, public Sampler { |
432 |
public: |
433 |
range_t KeyRange; ///< @deprecated Only read, don't write! Use SetKeyRange() instead. |
434 |
range_t VelocityRange; |
435 |
uint16_t KeyGroup; |
436 |
uint16_t Layer; |
437 |
bool SelfNonExclusive; |
438 |
bool PhaseMaster; |
439 |
uint16_t PhaseGroup; |
440 |
bool MultiChannel; |
441 |
uint32_t Channel; |
442 |
|
443 |
Sample* GetSample(); |
444 |
void SetSample(Sample* pSample); |
445 |
virtual void SetKeyRange(uint16_t Low, uint16_t High); |
446 |
virtual void UpdateChunks(progress_t* pProgress); |
447 |
virtual void CopyAssign(const Region* orig); |
448 |
protected: |
449 |
RIFF::List* pCkRegion; |
450 |
uint32_t WavePoolTableIndex; // index in the wave pool table to the sample wave this region is linked to |
451 |
Sample* pSample; // every region refers to exactly one sample |
452 |
uint16_t FormatOptionFlags; |
453 |
uint16_t WaveLinkOptionFlags; |
454 |
|
455 |
Region(Instrument* pInstrument, RIFF::List* rgnList); |
456 |
virtual ~Region(); |
457 |
friend class Instrument; |
458 |
}; |
459 |
|
460 |
/** Provides all neccessary information for the synthesis of a DLS <i>Instrument</i>. */ |
461 |
class Instrument : public Resource, public Articulator { |
462 |
public: |
463 |
bool IsDrum; ///< Indicates if the <i>Instrument</i> is a drum type, as they differ in the synthesis model of DLS from melodic instruments. |
464 |
uint16_t MIDIBank; ///< Reflects combination of <i>MIDIBankCoarse</i> and <i>MIDIBankFine</i> (bank 1 - bank 16384). Do not change this value, it will not be saved! Change MIDIBankCoarse and MIDIBankFine instead (we might change that in future). |
465 |
uint8_t MIDIBankCoarse; ///< Reflects the MIDI Bank number for MIDI Control Change 0 (bank 1 - 128). |
466 |
uint8_t MIDIBankFine; ///< Reflects the MIDI Bank number for MIDI Control Change 32 (bank 1 - 128). |
467 |
uint32_t MIDIProgram; ///< Specifies the MIDI Program Change Number this Instrument should be assigned to. |
468 |
uint32_t Regions; ///< Reflects the number of <i>Region</i> defintions this Instrument has. |
469 |
|
470 |
Region* GetFirstRegion(); |
471 |
Region* GetNextRegion(); |
472 |
Region* AddRegion(); |
473 |
void DeleteRegion(Region* pRegion); |
474 |
virtual void UpdateChunks(progress_t* pProgress); |
475 |
virtual void CopyAssign(const Instrument* orig); |
476 |
protected: |
477 |
typedef std::list<Region*> RegionList; |
478 |
struct midi_locale_t { |
479 |
uint32_t bank; |
480 |
uint32_t instrument; |
481 |
}; |
482 |
|
483 |
RIFF::List* pCkInstrument; |
484 |
RegionList* pRegions; |
485 |
RegionList::iterator RegionsIterator; |
486 |
|
487 |
Instrument(File* pFile, RIFF::List* insList); |
488 |
void CopyAssignCore(const Instrument* orig); |
489 |
virtual void LoadRegions(); |
490 |
virtual ~Instrument(); |
491 |
friend class File; |
492 |
friend class Region; |
493 |
private: |
494 |
void MoveRegion(Region* pSrc, Region* pDst); |
495 |
}; |
496 |
|
497 |
/** Parses DLS Level 1 and 2 compliant files and provides abstract access to the data. */ |
498 |
class File : public Resource { |
499 |
public: |
500 |
version_t* pVersion; ///< Points to a <i>version_t</i> structure if the file provided a version number else is set to <i>NULL</i>. |
501 |
uint32_t Instruments; ///< Reflects the number of available <i>Instrument</i> objects. |
502 |
|
503 |
File(); |
504 |
File(RIFF::File* pRIFF); |
505 |
String GetFileName(); |
506 |
void SetFileName(const String& name); |
507 |
Sample* GetFirstSample(); ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise. |
508 |
Sample* GetNextSample(); ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise. |
509 |
Sample* AddSample(); |
510 |
void DeleteSample(Sample* pSample); |
511 |
Instrument* GetFirstInstrument(); ///< Returns a pointer to the first <i>Instrument</i> object of the file, <i>NULL</i> otherwise. |
512 |
Instrument* GetNextInstrument(); ///< Returns a pointer to the next <i>Instrument</i> object of the file, <i>NULL</i> otherwise. |
513 |
Instrument* AddInstrument(); |
514 |
void DeleteInstrument(Instrument* pInstrument); |
515 |
RIFF::File* GetExtensionFile(int index); |
516 |
virtual void UpdateChunks(progress_t* pProgress); |
517 |
virtual void Save(const String& Path, progress_t* pProgress = NULL); |
518 |
virtual void Save(progress_t* pProgress = NULL); |
519 |
virtual ~File(); |
520 |
protected: |
521 |
typedef std::list<Sample*> SampleList; |
522 |
typedef std::list<Instrument*> InstrumentList; |
523 |
|
524 |
RIFF::File* pRIFF; |
525 |
std::list<RIFF::File*> ExtensionFiles; |
526 |
SampleList* pSamples; |
527 |
SampleList::iterator SamplesIterator; |
528 |
InstrumentList* pInstruments; |
529 |
InstrumentList::iterator InstrumentsIterator; |
530 |
uint32_t WavePoolHeaderSize; |
531 |
uint32_t WavePoolCount; |
532 |
uint32_t* pWavePoolTable; |
533 |
uint32_t* pWavePoolTableHi; |
534 |
bool b64BitWavePoolOffsets; |
535 |
|
536 |
virtual void LoadSamples(); |
537 |
virtual void LoadInstruments(); |
538 |
virtual void UpdateFileOffsets(); |
539 |
void __ensureMandatoryChunksExist(); |
540 |
friend class Region; // Region has to look in the wave pool table to get its sample |
541 |
private: |
542 |
void __UpdateWavePoolTableChunk(); |
543 |
void __UpdateWavePoolTable(); |
544 |
}; |
545 |
|
546 |
/** |
547 |
* Will be thrown whenever a DLS specific error occurs while trying to |
548 |
* access a DLS File. Note: In your application you should better catch |
549 |
* for RIFF::Exception rather than this one, except you explicitly want |
550 |
* to catch and handle DLS::Exception and RIFF::Exception independently, |
551 |
* which usually shouldn't be necessary though. |
552 |
*/ |
553 |
class Exception : public RIFF::Exception { |
554 |
public: |
555 |
Exception(String Message); |
556 |
void PrintMessage(); |
557 |
}; |
558 |
|
559 |
String libraryName(); |
560 |
String libraryVersion(); |
561 |
|
562 |
} // namespace DLS |
563 |
|
564 |
#endif // __DLS_H__ |