--- libgig/trunk/src/gig.h 2007/04/11 16:33:56 1154 +++ libgig/trunk/src/gig.h 2012/03/17 06:18:52 2334 @@ -2,7 +2,7 @@ * * * libgig - C++ cross-platform Gigasampler format file access library * * * - * Copyright (C) 2003-2007 by Christian Schoenebeck * + * Copyright (C) 2003-2012 by Christian Schoenebeck * * * * * * This library is free software; you can redistribute it and/or modify * @@ -31,25 +31,27 @@ # define LIST_TYPE_3EWL 0x3365776C # define LIST_TYPE_3GRI 0x33677269 # define LIST_TYPE_3GNL 0x33676E6C -# define CHUNK_ID_SMPL 0x736D706C # define CHUNK_ID_3GIX 0x33676978 # define CHUNK_ID_3EWA 0x33657761 # define CHUNK_ID_3LNK 0x336C6E6B # define CHUNK_ID_3EWG 0x33657767 # define CHUNK_ID_EWAV 0x65776176 # define CHUNK_ID_3GNM 0x33676E6D +# define CHUNK_ID_EINF 0x65696E66 +# define CHUNK_ID_3CRC 0x33637263 #else // little endian # define LIST_TYPE_3PRG 0x67727033 # define LIST_TYPE_3EWL 0x6C776533 # define LIST_TYPE_3GRI 0x69726733 # define LIST_TYPE_3GNL 0x6C6E6733 -# define CHUNK_ID_SMPL 0x6C706D73 # define CHUNK_ID_3GIX 0x78696733 # define CHUNK_ID_3EWA 0x61776533 # define CHUNK_ID_3LNK 0x6B6E6C33 # define CHUNK_ID_3EWG 0x67776533 # define CHUNK_ID_EWAV 0x76617765 # define CHUNK_ID_3GNM 0x6D6E6733 +# define CHUNK_ID_EINF 0x666E6965 +# define CHUNK_ID_3CRC 0x63726333 #endif // WORDS_BIGENDIAN /** Gigasampler specific classes and definitions */ @@ -392,23 +394,23 @@ // Filter bool VCFEnabled; ///< If filter should be used. vcf_type_t VCFType; ///< Defines the general filter characteristic (lowpass, highpass, bandpass, etc.). - vcf_cutoff_ctrl_t VCFCutoffController; ///< Specifies which external controller has influence on the filter cutoff frequency. + vcf_cutoff_ctrl_t VCFCutoffController; ///< Specifies which external controller has influence on the filter cutoff frequency. @deprecated Don't alter directly, use SetVCFCutoffController() instead! bool VCFCutoffControllerInvert; ///< Inverts values coming from the defined cutoff controller uint8_t VCFCutoff; ///< Max. cutoff frequency. - curve_type_t VCFVelocityCurve; ///< Defines a transformation curve for the incoming velocity values, affecting the VCF. - uint8_t VCFVelocityScale; ///< (0-127) Amount velocity controls VCF cutoff frequency (only if no other VCF cutoff controller is defined, otherwise this is the minimum cutoff). - uint8_t VCFVelocityDynamicRange; ///< 0x04 = lowest, 0x00 = highest + curve_type_t VCFVelocityCurve; ///< Defines a transformation curve for the incoming velocity values, affecting the VCF. @deprecated Don't alter directly, use SetVCFVelocityCurve() instead! + uint8_t VCFVelocityScale; ///< (0-127) Amount velocity controls VCF cutoff frequency (only if no other VCF cutoff controller is defined, otherwise this is the minimum cutoff). @deprecated Don't alter directly, use SetVCFVelocityScale() instead! + uint8_t VCFVelocityDynamicRange; ///< 0x04 = lowest, 0x00 = highest . @deprecated Don't alter directly, use SetVCFVelocityDynamicRange() instead! uint8_t VCFResonance; ///< Firm internal filter resonance weight. bool VCFResonanceDynamic; ///< If true: Increases the resonance Q according to changes of controllers that actually control the VCF cutoff frequency (EG2, ext. VCF MIDI controller). vcf_res_ctrl_t VCFResonanceController; ///< Specifies which external controller has influence on the filter resonance Q. bool VCFKeyboardTracking; ///< If true: VCF cutoff frequence will be dependend to the note key position relative to the defined breakpoint value. uint8_t VCFKeyboardTrackingBreakpoint; ///< See VCFKeyboardTracking (0 - 127). // Key Velocity Transformations - curve_type_t VelocityResponseCurve; ///< Defines a transformation curve to the incoming velocity values affecting amplitude (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). - uint8_t VelocityResponseDepth; ///< Dynamic range of velocity affecting amplitude (0 - 4) (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). - uint8_t VelocityResponseCurveScaling; ///< 0 - 127 (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead) - curve_type_t ReleaseVelocityResponseCurve; ///< Defines a transformation curve to the incoming release veloctiy values affecting envelope times. - uint8_t ReleaseVelocityResponseDepth; ///< Dynamic range of release velocity affecting envelope time (0 - 4). + curve_type_t VelocityResponseCurve; ///< Defines a transformation curve to the incoming velocity values affecting amplitude (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). @deprecated Don't alter directly, use SetVelocityResponseCurve() instead! + uint8_t VelocityResponseDepth; ///< Dynamic range of velocity affecting amplitude (0 - 4) (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). @deprecated Don't alter directly, use SetVelocityResponseDepth() instead! + uint8_t VelocityResponseCurveScaling; ///< 0 - 127 (usually you don't have to interpret this parameter, use GetVelocityAttenuation() instead). @deprecated Don't alter directly, use SetVelocityResponseCurveScaling() instead! + curve_type_t ReleaseVelocityResponseCurve; ///< Defines a transformation curve to the incoming release veloctiy values affecting envelope times. @deprecated Don't alter directly, use SetReleaseVelocityResponseCurve() instead! + uint8_t ReleaseVelocityResponseDepth; ///< Dynamic range of release velocity affecting envelope time (0 - 4). @deprecated Don't alter directly, use SetReleaseVelocityResponseDepth() instead! uint8_t ReleaseTriggerDecay; ///< 0 - 8 // Mix / Layer crossfade_t Crossfade; @@ -427,21 +429,36 @@ uint8_t DimensionUpperLimits[8]; ///< gig3: defines the upper limit of the dimension values for this dimension region // derived attributes from DLS::Sampler - DLS::Sampler::UnityNote; - DLS::Sampler::FineTune; - DLS::Sampler::Gain; - DLS::Sampler::SampleLoops; - DLS::Sampler::pSampleLoops; + using DLS::Sampler::UnityNote; + using DLS::Sampler::FineTune; + using DLS::Sampler::Gain; + using DLS::Sampler::SampleLoops; + using DLS::Sampler::pSampleLoops; // own methods double GetVelocityAttenuation(uint8_t MIDIKeyVelocity); double GetVelocityRelease(uint8_t MIDIKeyVelocity); double GetVelocityCutoff(uint8_t MIDIKeyVelocity); + void SetVelocityResponseCurve(curve_type_t curve); + void SetVelocityResponseDepth(uint8_t depth); + void SetVelocityResponseCurveScaling(uint8_t scaling); + void SetReleaseVelocityResponseCurve(curve_type_t curve); + void SetReleaseVelocityResponseDepth(uint8_t depth); + void SetVCFCutoffController(vcf_cutoff_ctrl_t controller); + void SetVCFVelocityCurve(curve_type_t curve); + void SetVCFVelocityDynamicRange(uint8_t range); + void SetVCFVelocityScale(uint8_t scaling); + Region* GetParent() const; + // derived methods + using DLS::Sampler::AddSampleLoop; + using DLS::Sampler::DeleteSampleLoop; // overridden methods + virtual void SetGain(int32_t gain); virtual void UpdateChunks(); protected: uint8_t* VelocityTable; ///< For velocity dimensions with custom defined zone ranges only: used for fast converting from velocity MIDI value to dimension bit number. - DimensionRegion(RIFF::List* _3ewl); + DimensionRegion(Region* pParent, RIFF::List* _3ewl); + DimensionRegion(RIFF::List* _3ewl, const DimensionRegion& src); ~DimensionRegion(); friend class Region; private: @@ -480,9 +497,12 @@ double* pVelocityAttenuationTable; ///< Points to the velocity table corresponding to the velocity parameters of this DimensionRegion. double* pVelocityReleaseTable; ///< Points to the velocity table corresponding to the release velocity parameters of this DimensionRegion double* pVelocityCutoffTable; ///< Points to the velocity table corresponding to the filter velocity parameters of this DimensionRegion + Region* pRegion; leverage_ctrl_t DecodeLeverageController(_lev_ctrl_t EncodedController); _lev_ctrl_t EncodeLeverageController(leverage_ctrl_t DecodedController); + double* GetReleaseVelocityTable(curve_type_t releaseVelocityResponseCurve, uint8_t releaseVelocityResponseDepth); + double* GetCutoffVelocityTable(curve_type_t vcfVelocityCurve, uint8_t vcfVelocityDynamicRange, uint8_t vcfVelocityScale, vcf_cutoff_ctrl_t vcfCutoffController); double* GetVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling); double* CreateVelocityTable(curve_type_t curveType, uint8_t depth, uint8_t scaling); }; @@ -556,6 +576,7 @@ unsigned long FileNo; ///< File number (> 0 when sample is stored in an extension file, 0 when it's in the gig) RIFF::Chunk* pCk3gix; RIFF::Chunk* pCkSmpl; + uint32_t crc; ///< CRC-32 checksum of the raw sample data Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset, unsigned long fileNo = 0); ~Sample(); @@ -598,11 +619,14 @@ DimensionRegion* pDimensionRegions[256]; ///< Pointer array to the 32 (gig2) or 256 (gig3) possible dimension regions (reflects NULL for dimension regions not in use). Avoid to access the array directly and better use GetDimensionRegionByValue() instead, but of course in some cases it makes sense to use the array (e.g. iterating through all DimensionRegions). Use AddDimension() and DeleteDimension() to create a new dimension or delete an existing one (which will create or delete the respective dimension region(s) automatically). unsigned int Layers; ///< Amount of defined layers (1 - 32). A value of 1 actually means no layering, a value > 1 means there is Layer dimension. The same information can of course also be obtained by accessing pDimensionDefinitions. Do not alter this value! + // own methods DimensionRegion* GetDimensionRegionByValue(const uint DimValues[8]); DimensionRegion* GetDimensionRegionByBit(const uint8_t DimBits[8]); Sample* GetSample(); void AddDimension(dimension_def_t* pDimDef); void DeleteDimension(dimension_def_t* pDimDef); + // overridden methods + virtual void SetKeyRange(uint16_t Low, uint16_t High); virtual void UpdateChunks(); protected: Region(Instrument* pInstrument, RIFF::List* rgnList); @@ -613,19 +637,45 @@ friend class Instrument; }; + /** Abstract base class for all MIDI rules. */ + class MidiRule { + public: + virtual ~MidiRule() { } + }; + + /** MIDI rule for triggering notes by control change events. */ + class MidiRuleCtrlTrigger : public MidiRule { + public: + uint8_t ControllerNumber; ///< MIDI controller number. + uint8_t Triggers; ///< Number of triggers. + struct trigger_t { + uint8_t TriggerPoint; ///< The CC value to pass for the note to be triggered. + bool Descending; ///< If the change in CC value should be downwards. + uint8_t VelSensitivity; ///< How sensitive the velocity should be to the speed of the controller change. + uint8_t Key; ///< Key to trigger. + bool NoteOff; ///< If a note off should be triggered instead of a note on. + uint8_t Velocity; ///< Velocity of the note to trigger. 255 means that velocity should depend on the speed of the controller change. + bool OverridePedal; ///< If a note off should be triggered even if the sustain pedal is down. + } pTriggers[32]; + + protected: + MidiRuleCtrlTrigger(RIFF::Chunk* _3ewg); + friend class Instrument; + }; + /** Provides all neccessary information for the synthesis of an Instrument. */ class Instrument : protected DLS::Instrument { public: // derived attributes from DLS::Resource - DLS::Resource::pInfo; - DLS::Resource::pDLSID; + using DLS::Resource::pInfo; + using DLS::Resource::pDLSID; // derived attributes from DLS::Instrument - DLS::Instrument::IsDrum; - DLS::Instrument::MIDIBank; - DLS::Instrument::MIDIBankCoarse; - DLS::Instrument::MIDIBankFine; - DLS::Instrument::MIDIProgram; - DLS::Instrument::Regions; + using DLS::Instrument::IsDrum; + using DLS::Instrument::MIDIBank; + using DLS::Instrument::MIDIBankCoarse; + using DLS::Instrument::MIDIBankFine; + using DLS::Instrument::MIDIProgram; + using DLS::Instrument::Regions; // own attributes int32_t Attenuation; ///< in dB uint16_t EffectSend; @@ -636,9 +686,7 @@ // derived methods from DLS::Resource - DLS::Resource::GetParent; - // derived methods from DLS::Instrument - DLS::Instrument::MoveRegion; + using DLS::Resource::GetParent; // overridden methods Region* GetFirstRegion(); Region* GetNextRegion(); @@ -647,6 +695,7 @@ virtual void UpdateChunks(); // own methods Region* GetRegion(unsigned int Key); + MidiRule* GetMidiRule(int i); protected: Region* RegionKeyTable[128]; ///< fast lookup for the corresponding Region of a MIDI key @@ -654,6 +703,9 @@ ~Instrument(); void UpdateRegionKeyTable(); friend class File; + friend class Region; // so Region can call UpdateRegionKeyTable() + private: + MidiRule** pMidiRules; }; /** @brief Group of Gigasampler objects @@ -692,17 +744,21 @@ /** Parses Gigasampler files and provides abstract access to the data. */ class File : protected DLS::File { public: + static const DLS::version_t VERSION_2; + static const DLS::version_t VERSION_3; + // derived attributes from DLS::Resource - DLS::Resource::pInfo; - DLS::Resource::pDLSID; + using DLS::Resource::pInfo; + using DLS::Resource::pDLSID; // derived attributes from DLS::File - DLS::File::pVersion; - DLS::File::Instruments; + using DLS::File::pVersion; + using DLS::File::Instruments; // derived methods from DLS::Resource - DLS::Resource::GetParent; + using DLS::Resource::GetParent; // derived methods from DLS::File - DLS::File::Save; + using DLS::File::Save; + using DLS::File::GetFileName; // overridden methods File(); File(RIFF::File* pRIFF); @@ -721,6 +777,8 @@ Group* AddGroup(); void DeleteGroup(Group* pGroup); void DeleteGroupOnly(Group* pGroup); + void SetAutoLoad(bool b); + bool GetAutoLoad(); virtual ~File(); virtual void UpdateChunks(); protected: @@ -731,12 +789,14 @@ // own protected methods virtual void LoadSamples(progress_t* pProgress); virtual void LoadInstruments(progress_t* pProgress); + void SetSampleChecksum(Sample* pSample, uint32_t crc); friend class Region; friend class Sample; friend class Group; // so Group can access protected member pRIFF private: std::list* pGroups; std::list::iterator GroupsIterator; + bool bAutoLoad; }; /**