/[svn]/libgig/trunk/src/DLS.h
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revision 55 by schoenebeck, Tue Apr 27 09:06:07 2004 UTC revision 1713 by persson, Thu Mar 6 20:42:22 2008 UTC
# Line 1  Line 1 
1  /***************************************************************************  /***************************************************************************
2   *                                                                         *   *                                                                         *
3   *   libgig - C++ cross-platform Gigasampler format file loader library    *   *   libgig - C++ cross-platform Gigasampler format file access library    *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Christian Schoenebeck                     *   *   Copyright (C) 2003-2007 by Christian Schoenebeck                      *
6   *                               <cuse@users.sourceforge.net>              *   *                              <cuse@users.sourceforge.net>               *
7   *                                                                         *   *                                                                         *
8   *   This library is free software; you can redistribute it and/or modify  *   *   This library is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 27  Line 27 
27  #include "RIFF.h"  #include "RIFF.h"
28    
29  #if WORDS_BIGENDIAN  #if WORDS_BIGENDIAN
30    # define RIFF_TYPE_DLS  0x444C5320
31  # define LIST_TYPE_INFO 0x494E464F  # define LIST_TYPE_INFO 0x494E464F
32  # define LIST_TYPE_WVPL 0x7776706C  # define LIST_TYPE_WVPL 0x7776706C
33  # define LIST_TYPE_DWPL 0x6477706C  ///< Seen on some files instead of a wvpl list chunk.  # define LIST_TYPE_DWPL 0x6477706C  ///< Seen on some files instead of a wvpl list chunk.
# Line 38  Line 39 
39  # define LIST_TYPE_LAR2 0x6C617232  # define LIST_TYPE_LAR2 0x6C617232
40  # define LIST_TYPE_RGN  0x72676E20  # define LIST_TYPE_RGN  0x72676E20
41  # define LIST_TYPE_RGN2 0x72676E32  # define LIST_TYPE_RGN2 0x72676E32
 # define LIST_TYPE_ART1 0x61727431  
 # define LIST_TYPE_ART2 0x61727432  
42  # define CHUNK_ID_IARL  0x4941524C  # define CHUNK_ID_IARL  0x4941524C
43  # define CHUNK_ID_IART  0x49415254  # define CHUNK_ID_IART  0x49415254
44  # define CHUNK_ID_ICMS  0x49434D53  # define CHUNK_ID_ICMS  0x49434D53
# Line 67  Line 66 
66  # define CHUNK_ID_PTBL  0x7074626C  # define CHUNK_ID_PTBL  0x7074626C
67  # define CHUNK_ID_WSMP  0x77736D70  # define CHUNK_ID_WSMP  0x77736D70
68  # define CHUNK_ID_COLH  0x636F6C68  # define CHUNK_ID_COLH  0x636F6C68
69    # define CHUNK_ID_ARTL  0x6172746C
70    # define CHUNK_ID_ART2  0x61727432
71  #else  // little endian  #else  // little endian
72    # define RIFF_TYPE_DLS  0x20534C44
73  # define LIST_TYPE_INFO 0x4F464E49  # define LIST_TYPE_INFO 0x4F464E49
74  # define LIST_TYPE_WVPL 0x6C707677  # define LIST_TYPE_WVPL 0x6C707677
75  # define LIST_TYPE_DWPL 0x6C707764  ///< Seen on some files instead of a wvpl list chunk.  # define LIST_TYPE_DWPL 0x6C707764  ///< Seen on some files instead of a wvpl list chunk.
# Line 79  Line 81 
81  # define LIST_TYPE_LAR2 0x3272616C  # define LIST_TYPE_LAR2 0x3272616C
82  # define LIST_TYPE_RGN  0x206E6772  # define LIST_TYPE_RGN  0x206E6772
83  # define LIST_TYPE_RGN2 0x326E6772  # define LIST_TYPE_RGN2 0x326E6772
 # define LIST_TYPE_ART1 0x31747261  
 # define LIST_TYPE_ART2 0x32747261  
84  # define CHUNK_ID_IARL  0x4C524149  # define CHUNK_ID_IARL  0x4C524149
85  # define CHUNK_ID_IART  0x54524149  # define CHUNK_ID_IART  0x54524149
86  # define CHUNK_ID_ICMS  0x534D4349  # define CHUNK_ID_ICMS  0x534D4349
# Line 90  Line 90 
90  # define CHUNK_ID_IENG  0x474E4549  # define CHUNK_ID_IENG  0x474E4549
91  # define CHUNK_ID_IGNR  0x524E4749  # define CHUNK_ID_IGNR  0x524E4749
92  # define CHUNK_ID_IKEY  0x59454B49  # define CHUNK_ID_IKEY  0x59454B49
93  # define CHUNK_ID_IMED  0x44525049  # define CHUNK_ID_IMED  0x44454D49
94  # define CHUNK_ID_INAM  0x4D414E49  # define CHUNK_ID_INAM  0x4D414E49
95  # define CHUNK_ID_IPRD  0x44525049  # define CHUNK_ID_IPRD  0x44525049
96  # define CHUNK_ID_ISBJ  0x4A425349  # define CHUNK_ID_ISBJ  0x4A425349
# Line 108  Line 108 
108  # define CHUNK_ID_PTBL  0x6C627470  # define CHUNK_ID_PTBL  0x6C627470
109  # define CHUNK_ID_WSMP  0x706D7377  # define CHUNK_ID_WSMP  0x706D7377
110  # define CHUNK_ID_COLH  0x686C6F63  # define CHUNK_ID_COLH  0x686C6F63
111    # define CHUNK_ID_ARTL  0x6C747261
112    # define CHUNK_ID_ART2  0x32747261
113  #endif // WORDS_BIGENDIAN  #endif // WORDS_BIGENDIAN
114    
115  #define WAVE_FORMAT_PCM                 0x0001  #define DLS_WAVE_FORMAT_PCM                     0x0001
   
 #define DRUM_TYPE_MASK                  0x00000001  
   
 #define F_RGN_OPTION_SELFNONEXCLUSIVE   0x0001  
   
 #define F_WAVELINK_PHASE_MASTER         0x0001  
 #define F_WAVELINK_MULTICHANNEL         0x0002  
   
 #define F_WSMP_NO_TRUNCATION            0x0001  
 #define F_WSMP_NO_COMPRESSION           0x0002  
   
 #define MIDI_BANK_COARSE(x)             ((x & 0x00007F00) >> 8)                 // CC0  
 #define MIDI_BANK_FINE(x)               (x & 0x0000007F)                        // CC32  
 #define MIDI_BANK_MERGE(coarse, fine)   ((((uint16_t) coarse) << 7) | fine)     // CC0 + CC32  
 #define CONN_TRANSFORM_SRC(x)           ((x >> 10) & 0x000F)  
 #define CONN_TRANSFORM_CTL(x)           ((x >> 4) & 0x000F)  
 #define CONN_TRANSFORM_DST(x)           (x & 0x000F)  
 #define CONN_TRANSFORM_BIPOLAR_SRC(x)   (x & 0x4000)  
 #define CONN_TRANSFORM_BIPOLAR_CTL(x)   (x & 0x0100)  
 #define CONN_TRANSFORM_INVERT_SRC(x)    (x & 0x8000)  
 #define CONN_TRANSFORM_INVERT_CTL(x)    (x & 0x0200)  
   
116    
117  //TODO: no support for conditional chunks <cdl> yet  //TODO: no support for conditional chunks <cdl> yet
118    
# Line 244  namespace DLS { Line 224  namespace DLS {
224    
225      /** Defines Sample Loop Points. */      /** Defines Sample Loop Points. */
226      struct sample_loop_t {      struct sample_loop_t {
227          uint32_t Size;          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!
228          uint32_t LoopType;          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).
229          uint32_t LoopStart;          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.
230          uint32_t LoopLength;          uint32_t LoopLength; ///< Length of the looping area (in sample points).
231      };      };
232    
233      // just symbol prototyping      // just symbol prototyping
# Line 278  namespace DLS { Line 258  namespace DLS {
258                  uint16_t transform;                  uint16_t transform;
259                  uint32_t scale;                  uint32_t scale;
260              };              };
261              Connection() {};              Connection() {}
262              void Init(conn_block_t* Header);              void Init(conn_block_t* Header);
263              virtual ~Connection() {};              conn_block_t ToConnBlock();
264                virtual ~Connection() {}
265              friend class Articulation;              friend class Articulation;
266      };      };
267    
# Line 289  namespace DLS { Line 270  namespace DLS {
270          public:          public:
271              Connection*  pConnections; ///< Points to the beginning of a <i>Connection</i> array.              Connection*  pConnections; ///< Points to the beginning of a <i>Connection</i> array.
272              uint32_t     Connections;  ///< Reflects the number of Connections.              uint32_t     Connections;  ///< Reflects the number of Connections.
273              Articulation(RIFF::List* artList);  
274             ~Articulation();              Articulation(RIFF::Chunk* artl);
275                virtual ~Articulation();
276                virtual void UpdateChunks();
277            protected:
278                RIFF::Chunk* pArticulationCk;
279                uint32_t     HeaderSize;
280      };      };
281    
282      /** Abstract base class for classes that provide articulation information (thus for <i>Instrument</i> and <i>Region</i> class). */      /** Abstract base class for classes that provide articulation information (thus for <i>Instrument</i> and <i>Region</i> class). */
# Line 299  namespace DLS { Line 285  namespace DLS {
285              Articulator(RIFF::List* ParentList);              Articulator(RIFF::List* ParentList);
286              Articulation* GetFirstArticulation();              Articulation* GetFirstArticulation();
287              Articulation* GetNextArticulation();              Articulation* GetNextArticulation();
288                virtual void  UpdateChunks();
289          protected:          protected:
290              typedef std::list<Articulation*> ArticulationList;              typedef std::list<Articulation*> ArticulationList;
291              RIFF::List*                 pParentList;              RIFF::List*                 pParentList;
# Line 306  namespace DLS { Line 293  namespace DLS {
293              ArticulationList::iterator  ArticulationsIterator;              ArticulationList::iterator  ArticulationsIterator;
294    
295              void LoadArticulations();              void LoadArticulations();
296             ~Articulator();              virtual ~Articulator();
297      };      };
298    
299      /** Optional information for DLS files, instruments, samples, etc. */      /** Optional information for DLS files, instruments, samples, etc. */
# Line 328  namespace DLS { Line 315  namespace DLS {
315              String Source;           ///< <ISRC-ck>. Identifies the name of the person or organization who supplied the original subject of the file.              String Source;           ///< <ISRC-ck>. Identifies the name of the person or organization who supplied the original subject of the file.
316              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>.              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>.
317              String Commissioned;     ///< <ICMS-ck>. Lists the name of the person or organization that commissioned the subject of the file, e.g., Pope Julian II.              String Commissioned;     ///< <ICMS-ck>. Lists the name of the person or organization that commissioned the subject of the file, e.g., Pope Julian II.
318                String Subject;          ///< <ISBJ-ck>. Describes the contents of the file.
319                bool UseFixedLengthStrings; ///< @deprecated Not used anymore, use SetFixedStringLengths() instead.
320    
321                struct string_length_t {
322                    uint32_t chunkId;
323                    int      length;
324                };
325    
326              Info(RIFF::List* list);              Info(RIFF::List* list);
327                void SetFixedStringLengths(const string_length_t* lengths);
328                virtual ~Info();
329                virtual void UpdateChunks();
330          private:          private:
331              inline void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s) {              RIFF::List*            pResourceListChunk;
332                  RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID);              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.
333                  if (ck) {  
334                      // TODO: no check for ZSTR terminated strings yet              static void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s);
335                      s = (char*) ck->LoadChunkData();              void SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault);
                     ck->ReleaseChunkData();  
                 }  
             }  
336      };      };
337    
338      /** Abstract base class which encapsulates data structures which all DLS resources are able to provide. */      /** Abstract base class which encapsulates data structures which all DLS resources are able to provide. */
339      class Resource {      class Resource {
340          public:          public:
341              Info*    pInfo;        ///< Points (in any case) to an <i>Info</i> object, providing additional, optional infos and comments.              Info*    pInfo;  ///< Points (in any case) to an <i>Info</i> object, providing additional, optional infos and comments.
342              dlsid_t* pDLSID;       ///< Points to a <i>dlsid_t</i> structure if the file provided a DLS ID else is <i>NULL</i>.              dlsid_t* pDLSID; ///< Points to a <i>dlsid_t</i> structure if the file provided a DLS ID else is <i>NULL</i>.
343    
344              Resource* GetParent() { return pParent; };              Resource* GetParent() { return pParent; }
345                virtual void UpdateChunks();
346                void GenerateDLSID();
347          protected:          protected:
348              Resource* pParent;              Resource* pParent;
349                RIFF::List* pResourceList;
350    
351              Resource(Resource* Parent, RIFF::List* lstResource);              Resource(Resource* Parent, RIFF::List* lstResource);
352             ~Resource();              virtual ~Resource();
353      };      };
354    
355      /** Abstract base class which provides mandatory informations about sample players in general. */      /** Abstract base class which provides mandatory informations about sample players in general. */
# Line 360  namespace DLS { Line 357  namespace DLS {
357          public:          public:
358              uint8_t        UnityNote;              uint8_t        UnityNote;
359              int16_t        FineTune;              int16_t        FineTune;
360              int32_t        Gain;              int32_t        Gain; ///< @deprecated Don't alter directly, use SetGain() instead!
361              bool           NoSampleDepthTruncation;              bool           NoSampleDepthTruncation;
362              bool           NoSampleCompression;              bool           NoSampleCompression;
363              uint32_t       SampleLoops;              ///< Reflects the number of sample loops.              uint32_t       SampleLoops;  ///< Reflects the number of sample loops.
364              sample_loop_t* pSampleLoops;             ///< Points to the beginning of a sample loop array, or is NULL if there are no loops defined.              sample_loop_t* pSampleLoops; ///< Points to the beginning of a sample loop array, or is NULL if there are no loops defined.
365    
366                void AddSampleLoop(sample_loop_t* pLoopDef);
367                void DeleteSampleLoop(sample_loop_t* pLoopDef);
368                virtual void SetGain(int32_t gain);
369                virtual void UpdateChunks();
370          protected:          protected:
371                RIFF::List*    pParentList;
372                uint32_t       uiHeaderSize;
373              uint32_t       SamplerOptions;              uint32_t       SamplerOptions;
374              Sampler(RIFF::List* ParentList);              Sampler(RIFF::List* ParentList);
375             ~Sampler();              virtual ~Sampler();
376      };      };
377    
378      /** Encapsulates sample waves used for playback. */      /** @brief Encapsulates sample waves used for playback.
379         *
380         * In case you created a new sample with File::AddSample(), you should
381         * first update all attributes with the desired meta informations
382         * (amount of channels, bit depth, sample rate, etc.), then call
383         * Resize() with the desired sample size. The latter will create
384         * the mandatory RIFF chunk which will hold the sample wave data.
385         */
386      class Sample : public Resource {      class Sample : public Resource {
387          public:          public:
388              uint16_t      FormatTag;             ///< Format ID of the waveform data (should be WAVE_FORMAT_PCM for DLS1 compliant files).              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()).
389              uint16_t      Channels;              ///< Number of channels represented in the waveform data, e.g. 1 for mono, 2 for stereo ().              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).
390              uint32_t      SamplesPerSecond;      ///< Sampling rate at which each channel should be played.              uint32_t      SamplesPerSecond;      ///< Sampling rate at which each channel should be played (defaults to 44100 if Sample was created with Instrument::AddSample() previously).
391              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).              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).
392              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.              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.
393              uint16_t      BitDepth;              ///< Size of each sample per channel (only if known sample data format is used, 0 otherwise).              uint16_t      BitDepth;              ///< Size of each sample per channel (only if known sample data format is used, 0 otherwise).
394              unsigned long SamplesTotal;          ///< Reflects total number of samples (only if known sample data format is used, 0 otherwise).              unsigned long 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.
395              uint          FrameSize;             ///< Reflects the size (in bytes) of one single sample (only if known sample data format is used, 0 otherwise).              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().
396    
397              void*         LoadSampleData();              ///< Load sample data into RAM. Returns a pointer to the data in RAM on success, <i>NULL</i> otherwise.              void*         LoadSampleData();
398              void          ReleaseSampleData();           ///< Release the samples once you used them if you don't want to be bothered to.              void          ReleaseSampleData();
399                unsigned long GetSize();
400                void          Resize(int iNewSize);
401              unsigned long SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start);              unsigned long SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start);
402              unsigned long Read(void* pBuffer, unsigned long SampleCount);              unsigned long Read(void* pBuffer, unsigned long SampleCount);
403                unsigned long Write(void* pBuffer, unsigned long SampleCount);
404                virtual void  UpdateChunks();
405          protected:          protected:
406                RIFF::List*   pWaveList;
407              RIFF::Chunk*  pCkData;              RIFF::Chunk*  pCkData;
408              RIFF::Chunk*  pCkFormat;              RIFF::Chunk*  pCkFormat;
409              unsigned long ulWavePoolOffset;  // needed for comparison with the wave pool link table, thus the link to instruments              unsigned long ulWavePoolOffset;  // needed for comparison with the wave pool link table, thus the link to instruments
410    
411              Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset);              Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset);
412                virtual ~Sample();
413              friend class File;              friend class File;
414              friend class Region; // Region has to compare the wave pool offset to get its sample              friend class Region; // Region has to compare the wave pool offset to get its sample
415      };      };
# Line 400  namespace DLS { Line 417  namespace DLS {
417      /** Defines <i>Region</i> information of an <i>Instrument</i>. */      /** Defines <i>Region</i> information of an <i>Instrument</i>. */
418      class Region : public Resource, public Articulator, public Sampler {      class Region : public Resource, public Articulator, public Sampler {
419          public:          public:
420              range_t     KeyRange;              range_t     KeyRange; ///< @deprecated Only read, don't write! Use SetKeyRange() instead.
421              range_t     VelocityRange;              range_t     VelocityRange;
422              uint16_t    KeyGroup;              uint16_t    KeyGroup;
423              uint16_t    Layer;              uint16_t    Layer;
# Line 411  namespace DLS { Line 428  namespace DLS {
428              uint32_t    Channel;              uint32_t    Channel;
429    
430              Sample*     GetSample();              Sample*     GetSample();
431                void        SetSample(Sample* pSample);
432                virtual void SetKeyRange(uint16_t Low, uint16_t High);
433                virtual void UpdateChunks();
434          protected:          protected:
435              RIFF::List* pCkRegion;              RIFF::List* pCkRegion;
436              uint32_t    WavePoolTableIndex; // index in the wave pool table to the sample wave this region is linked to              uint32_t    WavePoolTableIndex; // index in the wave pool table to the sample wave this region is linked to
437              Sample*     pSample;            // every region refers to exactly one sample              Sample*     pSample;            // every region refers to exactly one sample
438                uint16_t    FormatOptionFlags;
439                uint16_t    WaveLinkOptionFlags;
440    
441              Region(Instrument* pInstrument, RIFF::List* rgnList);              Region(Instrument* pInstrument, RIFF::List* rgnList);
442             ~Region();              virtual ~Region();
443              friend class Instrument;              friend class Instrument;
444      };      };
445    
# Line 425  namespace DLS { Line 447  namespace DLS {
447      class Instrument : public Resource, public Articulator {      class Instrument : public Resource, public Articulator {
448          public:          public:
449              bool     IsDrum;         ///< Indicates if the <i>Instrument</i> is a drum type, as they differ in the synthesis model of DLS from melodic instruments.              bool     IsDrum;         ///< Indicates if the <i>Instrument</i> is a drum type, as they differ in the synthesis model of DLS from melodic instruments.
450              uint16_t MIDIBank;       ///< Reflects combination of <i>MIDIBankCoarse</i> and <i>MIDIBankFine</i> (bank 1 - bank 16384).              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).
451              uint8_t  MIDIBankCoarse; ///< Reflects the MIDI Bank number for MIDI Control Change 0 (bank 1 - 128).              uint8_t  MIDIBankCoarse; ///< Reflects the MIDI Bank number for MIDI Control Change 0 (bank 1 - 128).
452              uint8_t  MIDIBankFine;   ///< Reflects the MIDI Bank number for MIDI Control Change 32 (bank 1 - 128).              uint8_t  MIDIBankFine;   ///< Reflects the MIDI Bank number for MIDI Control Change 32 (bank 1 - 128).
453              uint32_t MIDIProgram;    ///< Specifies the MIDI Program Change Number this Instrument should be assigned to.              uint32_t MIDIProgram;    ///< Specifies the MIDI Program Change Number this Instrument should be assigned to.
# Line 433  namespace DLS { Line 455  namespace DLS {
455    
456              Region*  GetFirstRegion();              Region*  GetFirstRegion();
457              Region*  GetNextRegion();              Region*  GetNextRegion();
458                Region*  AddRegion();
459                void     DeleteRegion(Region* pRegion);
460                virtual void UpdateChunks();
461          protected:          protected:
462              typedef std::list<Region*> RegionList;              typedef std::list<Region*> RegionList;
463              struct midi_locale_t {              struct midi_locale_t {
# Line 445  namespace DLS { Line 470  namespace DLS {
470              RegionList::iterator RegionsIterator;              RegionList::iterator RegionsIterator;
471    
472              Instrument(File* pFile, RIFF::List* insList);              Instrument(File* pFile, RIFF::List* insList);
473              void LoadRegions();              virtual void LoadRegions();
474             ~Instrument();              virtual ~Instrument();
475              friend class File;              friend class File;
476                friend class Region;
477            private:
478                void MoveRegion(Region* pSrc, Region* pDst);
479      };      };
480    
481      /** Parses DLS Level 1 and 2 compliant files and provides abstract access to the data. */      /** Parses DLS Level 1 and 2 compliant files and provides abstract access to the data. */
# Line 456  namespace DLS { Line 484  namespace DLS {
484              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>.              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>.
485              uint32_t   Instruments;           ///< Reflects the number of available <i>Instrument</i> objects.              uint32_t   Instruments;           ///< Reflects the number of available <i>Instrument</i> objects.
486    
487                File();
488              File(RIFF::File* pRIFF);              File(RIFF::File* pRIFF);
489              Sample*     GetFirstSample();     ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise.              Sample*     GetFirstSample();     ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise.
490              Sample*     GetNextSample();      ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise.              Sample*     GetNextSample();      ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise.
491                Sample*     AddSample();
492                void        DeleteSample(Sample* pSample);
493              Instrument* GetFirstInstrument(); ///< Returns a pointer to the first <i>Instrument</i> object of the file, <i>NULL</i> otherwise.              Instrument* GetFirstInstrument(); ///< Returns a pointer to the first <i>Instrument</i> object of the file, <i>NULL</i> otherwise.
494              Instrument* GetNextInstrument();  ///< Returns a pointer to the next <i>Instrument</i> object of the file, <i>NULL</i> otherwise.              Instrument* GetNextInstrument();  ///< Returns a pointer to the next <i>Instrument</i> object of the file, <i>NULL</i> otherwise.
495             ~File();              Instrument* AddInstrument();
496                void        DeleteInstrument(Instrument* pInstrument);
497                virtual void UpdateChunks();
498                virtual void Save(const String& Path);
499                virtual void Save();
500                virtual ~File();
501          protected:          protected:
502              typedef std::list<Sample*>     SampleList;              typedef std::list<Sample*>     SampleList;
503              typedef std::list<Instrument*> InstrumentList;              typedef std::list<Instrument*> InstrumentList;
504    
505              RIFF::File*              pRIFF;              RIFF::File*              pRIFF;
506                std::list<RIFF::File*>   ExtensionFiles;
507              SampleList*              pSamples;              SampleList*              pSamples;
508              SampleList::iterator     SamplesIterator;              SampleList::iterator     SamplesIterator;
509              InstrumentList*          pInstruments;              InstrumentList*          pInstruments;
510              InstrumentList::iterator InstrumentsIterator;              InstrumentList::iterator InstrumentsIterator;
511                uint32_t                 WavePoolHeaderSize;
512              uint32_t                 WavePoolCount;              uint32_t                 WavePoolCount;
513              uint32_t*                pWavePoolTable;              uint32_t*                pWavePoolTable;
514                uint32_t*                pWavePoolTableHi;
515                bool                     b64BitWavePoolOffsets;
516    
517              void LoadSamples();              virtual void LoadSamples();
518              void LoadInstruments();              virtual void LoadInstruments();
519                void __ensureMandatoryChunksExist();
520              friend class Region; // Region has to look in the wave pool table to get its sample              friend class Region; // Region has to look in the wave pool table to get its sample
521            private:
522                void __UpdateWavePoolTableChunk();
523                void __UpdateWavePoolTable();
524      };      };
525    
526      /** Will be thrown whenever a DLS specific error occurs while trying to access a DLS File. */      /**
527         * Will be thrown whenever a DLS specific error occurs while trying to
528         * access a DLS File. Note: In your application you should better catch
529         * for RIFF::Exception rather than this one, except you explicitly want
530         * to catch and handle DLS::Exception and RIFF::Exception independently,
531         * which usually shouldn't be necessary though.
532         */
533      class Exception : public RIFF::Exception {      class Exception : public RIFF::Exception {
534          public:          public:
535              Exception(String Message);              Exception(String Message);
536              void PrintMessage();              void PrintMessage();
537      };      };
538    
539        String libraryName();
540        String libraryVersion();
541    
542  } // namespace DLS  } // namespace DLS
543    
544  #endif // __DLS_H__  #endif // __DLS_H__
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