/[svn]/libgig/trunk/src/gig.h
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revision 1199 by persson, Sun May 20 10:11:39 2007 UTC revision 1316 by schoenebeck, Fri Aug 31 19:09:13 2007 UTC
# Line 323  namespace gig { Line 323  namespace gig {
323          progress_t();          progress_t();
324      };      };
325    
326        /** @brief CRC-32 checksum implementation
327         *
328         * This class is used to calculate checksums of the sample data in
329         * a gig file. The checksums are stored in the 3crc chunk of the
330         * gig file and automatically updated when a sample is written
331         * with Sample::Write().
332         */
333      class CRC {      class CRC {
334      private:      private:
335          uint32_t value;          uint32_t value;
# Line 463  namespace gig { Line 470  namespace gig {
470              double GetVelocityAttenuation(uint8_t MIDIKeyVelocity);              double GetVelocityAttenuation(uint8_t MIDIKeyVelocity);
471              double GetVelocityRelease(uint8_t MIDIKeyVelocity);              double GetVelocityRelease(uint8_t MIDIKeyVelocity);
472              double GetVelocityCutoff(uint8_t MIDIKeyVelocity);              double GetVelocityCutoff(uint8_t MIDIKeyVelocity);
473                Region* GetParent() const;
474              // derived methods              // derived methods
475              DLS::Sampler::AddSampleLoop;              DLS::Sampler::AddSampleLoop;
476              DLS::Sampler::DeleteSampleLoop;              DLS::Sampler::DeleteSampleLoop;
# Line 470  namespace gig { Line 478  namespace gig {
478              virtual void UpdateChunks();              virtual void UpdateChunks();
479          protected:          protected:
480              uint8_t* VelocityTable; ///< For velocity dimensions with custom defined zone ranges only: used for fast converting from velocity MIDI value to dimension bit number.              uint8_t* VelocityTable; ///< For velocity dimensions with custom defined zone ranges only: used for fast converting from velocity MIDI value to dimension bit number.
481              DimensionRegion(RIFF::List* _3ewl);              DimensionRegion(Region* pParent, RIFF::List* _3ewl);
482                DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src);
483             ~DimensionRegion();             ~DimensionRegion();
484              friend class Region;              friend class Region;
485          private:          private:
# Line 509  namespace gig { Line 518  namespace gig {
518              double*                  pVelocityAttenuationTable;  ///< Points to the velocity table corresponding to the velocity parameters of this DimensionRegion.              double*                  pVelocityAttenuationTable;  ///< Points to the velocity table corresponding to the velocity parameters of this DimensionRegion.
519              double*                  pVelocityReleaseTable;      ///< Points to the velocity table corresponding to the release velocity parameters of this DimensionRegion              double*                  pVelocityReleaseTable;      ///< Points to the velocity table corresponding to the release velocity parameters of this DimensionRegion
520              double*                  pVelocityCutoffTable;       ///< Points to the velocity table corresponding to the filter velocity parameters of this DimensionRegion              double*                  pVelocityCutoffTable;       ///< Points to the velocity table corresponding to the filter velocity parameters of this DimensionRegion
521                Region*                  pRegion;
522    
523              leverage_ctrl_t DecodeLeverageController(_lev_ctrl_t EncodedController);              leverage_ctrl_t DecodeLeverageController(_lev_ctrl_t EncodedController);
524              _lev_ctrl_t     EncodeLeverageController(leverage_ctrl_t DecodedController);              _lev_ctrl_t     EncodeLeverageController(leverage_ctrl_t DecodedController);
# Line 585  namespace gig { Line 595  namespace gig {
595              unsigned long        FileNo;                  ///< File number (> 0 when sample is stored in an extension file, 0 when it's in the gig)              unsigned long        FileNo;                  ///< File number (> 0 when sample is stored in an extension file, 0 when it's in the gig)
596              RIFF::Chunk*         pCk3gix;              RIFF::Chunk*         pCk3gix;
597              RIFF::Chunk*         pCkSmpl;              RIFF::Chunk*         pCkSmpl;
598              CRC                  crc;              CRC                  crc;                     ///< CRC-32 checksum of the raw sample data
599    
600              Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo = 0);              Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo = 0);
601             ~Sample();             ~Sample();
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