/[svn]/libgig/trunk/src/DLS.h
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revision 1102 by persson, Sun Mar 18 07:13:06 2007 UTC revision 1335 by schoenebeck, Sun Sep 9 21:22:58 2007 UTC
# Line 224  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 316  namespace DLS { Line 316  namespace DLS {
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.              String Subject;          ///< <ISBJ-ck>. Describes the contents of the file.
319              bool UseFixedLengthStrings; ///< Set this to true if the info strings should be stored with a fixed length format. This is used for gig files, not for ordinary DLS files.              bool UseFixedLengthStrings; ///< Deprecated. Use #FixedStringLengths instead.
320    
321                struct FixedStringLength {
322                    uint32_t chunkId;
323                    int length;
324                };
325                const FixedStringLength* FixedStringLengths; ///< 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.
326              Info(RIFF::List* list);              Info(RIFF::List* list);
327              virtual ~Info();              virtual ~Info();
328              virtual void UpdateChunks();              virtual void UpdateChunks();
# Line 325  namespace DLS { Line 330  namespace DLS {
330              RIFF::List* pResourceListChunk;              RIFF::List* pResourceListChunk;
331    
332              static void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s);              static void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s);
333              static void SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault, bool bUseFixedLengthStrings, int size);              void SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault);
334      };      };
335    
336      /** 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. */
# Line 336  namespace DLS { Line 341  namespace DLS {
341    
342              Resource* GetParent() { return pParent; };              Resource* GetParent() { return pParent; };
343              virtual void UpdateChunks();              virtual void UpdateChunks();
344                void GenerateDLSID();
345          protected:          protected:
346              Resource* pParent;              Resource* pParent;
347              RIFF::List* pResourceList;              RIFF::List* pResourceList;
# Line 355  namespace DLS { Line 361  namespace DLS {
361              uint32_t       SampleLoops;  ///< Reflects the number of sample loops.              uint32_t       SampleLoops;  ///< Reflects the number of sample loops.
362              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.
363    
364                void AddSampleLoop(sample_loop_t* pLoopDef);
365                void DeleteSampleLoop(sample_loop_t* pLoopDef);
366              virtual void UpdateChunks();              virtual void UpdateChunks();
367          protected:          protected:
368              RIFF::List*    pParentList;              RIFF::List*    pParentList;
# Line 406  namespace DLS { Line 414  namespace DLS {
414      /** Defines <i>Region</i> information of an <i>Instrument</i>. */      /** Defines <i>Region</i> information of an <i>Instrument</i>. */
415      class Region : public Resource, public Articulator, public Sampler {      class Region : public Resource, public Articulator, public Sampler {
416          public:          public:
417              range_t     KeyRange;              range_t     KeyRange; ///< @deprecated Only read, don't write! Use SetKeyRange() instead.
418              range_t     VelocityRange;              range_t     VelocityRange;
419              uint16_t    KeyGroup;              uint16_t    KeyGroup;
420              uint16_t    Layer;              uint16_t    Layer;
# Line 418  namespace DLS { Line 426  namespace DLS {
426    
427              Sample*     GetSample();              Sample*     GetSample();
428              void        SetSample(Sample* pSample);              void        SetSample(Sample* pSample);
429                virtual void SetKeyRange(uint16_t Low, uint16_t High);
430              virtual void UpdateChunks();              virtual void UpdateChunks();
431          protected:          protected:
432              RIFF::List* pCkRegion;              RIFF::List* pCkRegion;
# Line 444  namespace DLS { Line 453  namespace DLS {
453              Region*  GetFirstRegion();              Region*  GetFirstRegion();
454              Region*  GetNextRegion();              Region*  GetNextRegion();
455              Region*  AddRegion();              Region*  AddRegion();
             void     MoveRegion(Region* pSrc, Region* pDst);  
456              void     DeleteRegion(Region* pRegion);              void     DeleteRegion(Region* pRegion);
457              virtual void UpdateChunks();              virtual void UpdateChunks();
458          protected:          protected:
# Line 462  namespace DLS { Line 470  namespace DLS {
470              virtual void LoadRegions();              virtual void LoadRegions();
471              virtual ~Instrument();              virtual ~Instrument();
472              friend class File;              friend class File;
473                friend class Region;
474            private:
475                void MoveRegion(Region* pSrc, Region* pDst);
476      };      };
477    
478      /** 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. */
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