/[svn]/libgig/trunk/src/DLS.h
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revision 1093 by schoenebeck, Sun Mar 11 17:44:31 2007 UTC revision 1180 by persson, Sat May 12 12:39:25 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.
             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.  
319    
320                struct FixedStringLength {
321                    uint32_t chunkId;
322                    int length;
323                };
324                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.
325              Info(RIFF::List* list);              Info(RIFF::List* list);
326              virtual ~Info();              virtual ~Info();
327              virtual void UpdateChunks();              virtual void UpdateChunks();
# Line 325  namespace DLS { Line 329  namespace DLS {
329              RIFF::List* pResourceListChunk;              RIFF::List* pResourceListChunk;
330    
331              static void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s);              static void LoadString(uint32_t ChunkID, RIFF::List* lstINFO, String& s);
332              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);
333      };      };
334    
335      /** 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 355  namespace DLS { Line 359  namespace DLS {
359              uint32_t       SampleLoops;  ///< Reflects the number of sample loops.              uint32_t       SampleLoops;  ///< Reflects the number of sample loops.
360              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.
361    
362                void AddSampleLoop(sample_loop_t* pLoopDef);
363                void DeleteSampleLoop(sample_loop_t* pLoopDef);
364              virtual void UpdateChunks();              virtual void UpdateChunks();
365          protected:          protected:
366              RIFF::List*    pParentList;              RIFF::List*    pParentList;
# Line 444  namespace DLS { Line 450  namespace DLS {
450              Region*  GetFirstRegion();              Region*  GetFirstRegion();
451              Region*  GetNextRegion();              Region*  GetNextRegion();
452              Region*  AddRegion();              Region*  AddRegion();
453                void     MoveRegion(Region* pSrc, Region* pDst);
454              void     DeleteRegion(Region* pRegion);              void     DeleteRegion(Region* pRegion);
455              virtual void UpdateChunks();              virtual void UpdateChunks();
456          protected:          protected:
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