/[svn]/linuxsampler/trunk/src/engines/gig/InstrumentResourceManager.h
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Diff of /linuxsampler/trunk/src/engines/gig/InstrumentResourceManager.h

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revision 947 by schoenebeck, Mon Nov 27 21:34:55 2006 UTC revision 1662 by schoenebeck, Sun Feb 3 16:21:38 2008 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005, 2006 Christian Schoenebeck                        *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program 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 29  Line 29 
29  #include <gig.h>  #include <gig.h>
30    
31  #include "../../common/global.h"  #include "../../common/global.h"
 #include "../../common/Exception.h"  
32  #include "../../common/ResourceManager.h"  #include "../../common/ResourceManager.h"
33  #include "../../drivers/audio/AudioOutputDevice.h"  #include "../../drivers/audio/AudioOutputDevice.h"
34  #include "../InstrumentManager.h"  #include "../InstrumentManager.h"
35    #include "../../common/ArrayList.h"
36    
37  //namespace libgig = gig;  //namespace libgig = gig;
38    
# Line 44  namespace LinuxSampler { namespace gig { Line 44  namespace LinuxSampler { namespace gig {
44    
45  #include "EngineChannel.h"  #include "EngineChannel.h"
46  #include "Engine.h"  #include "Engine.h"
47    #include "../../plugins/InstrumentEditor.h"
48    
49  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
50    
51      // just symbol prototyping      // just symbol prototyping
52      class EngineChannel;      class EngineChannel;
53        class Engine;
54    
55      /** @brief Gig instrument manager      /** @brief Gig instrument manager
56       *       *
# Line 61  namespace LinuxSampler { namespace gig { Line 63  namespace LinuxSampler { namespace gig {
63       * instrument / file is not needed anymore, then it will be freed from       * instrument / file is not needed anymore, then it will be freed from
64       * memory.       * memory.
65       */       */
66      class InstrumentResourceManager : public InstrumentManager, public ResourceManager<InstrumentManager::instrument_id_t, ::gig::Instrument> {      class InstrumentResourceManager : public InstrumentManager, public ResourceManager<InstrumentManager::instrument_id_t, ::gig::Instrument>, public InstrumentEditorListener {
67          public:          public:
68                InstrumentResourceManager() : Gigs(this) {}
69              virtual ~InstrumentResourceManager() {}              virtual ~InstrumentResourceManager() {}
70              static void OnInstrumentLoadingProgress(::gig::progress_t* pProgress);              static void OnInstrumentLoadingProgress(::gig::progress_t* pProgress);
71    
# Line 70  namespace LinuxSampler { namespace gig { Line 73  namespace LinuxSampler { namespace gig {
73              virtual std::vector<instrument_id_t> Instruments();              virtual std::vector<instrument_id_t> Instruments();
74              virtual InstrumentManager::mode_t GetMode(const instrument_id_t& ID);              virtual InstrumentManager::mode_t GetMode(const instrument_id_t& ID);
75              virtual void SetMode(const instrument_id_t& ID, InstrumentManager::mode_t Mode);              virtual void SetMode(const instrument_id_t& ID, InstrumentManager::mode_t Mode);
             virtual float GetVolume(const instrument_id_t& ID);  
             virtual void SetVolume(const instrument_id_t& ID, float Volume);  
76              virtual String GetInstrumentName(instrument_id_t ID);              virtual String GetInstrumentName(instrument_id_t ID);
77                virtual String GetInstrumentDataStructureName(instrument_id_t ID);
78                virtual String GetInstrumentDataStructureVersion(instrument_id_t ID);
79                virtual void LaunchInstrumentEditor(instrument_id_t ID) throw (InstrumentManagerException);
80                virtual std::vector<instrument_id_t> GetInstrumentFileContent(String File) throw (InstrumentManagerException);
81                virtual instrument_info_t GetInstrumentInfo(instrument_id_t ID) throw (InstrumentManagerException);
82    
83                // implementation of derived abstract methods from 'InstrumentEditorListener'
84                virtual void OnInstrumentEditorQuit(InstrumentEditor* pSender);
85                virtual void OnSamplesToBeRemoved(std::set<void*> Samples, InstrumentEditor* pSender);
86                virtual void OnSamplesRemoved(InstrumentEditor* pSender);
87                virtual void OnDataStructureToBeChanged(void* pStruct, String sStructType, InstrumentEditor* pSender);
88                virtual void OnDataStructureChanged(void* pStruct, String sStructType, InstrumentEditor* pSender);
89                virtual void OnSampleReferenceChanged(void* pOldSample, void* pNewSample, InstrumentEditor* pSender);
90    
91                void HandBackInstrument(::gig::Instrument* pResource, InstrumentConsumer* pConsumer,
92                                        RTList< ::gig::DimensionRegion*>* pDimRegionsInUse);
93                void HandBackDimReg(::gig::DimensionRegion* pDimReg);
94    
95    #if 0 // currently unused :
96                void TrySendNoteOnToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument);
97                void TrySendNoteOffToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument);
98    #endif // unused
99    
100          protected:          protected:
101                // implementation of derived abstract methods from 'ResourceManager'
102              virtual ::gig::Instrument* Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg);              virtual ::gig::Instrument* Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg);
103              virtual void               Destroy(::gig::Instrument* pResource, void* pArg);              virtual void               Destroy(::gig::Instrument* pResource, void* pArg);
104              virtual void               OnBorrow(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, void*& pArg);              virtual void               OnBorrow(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, void*& pArg);
# Line 82  namespace LinuxSampler { namespace gig { Line 107  namespace LinuxSampler { namespace gig {
107    
108              class GigResourceManager : public ResourceManager<String, ::gig::File> {              class GigResourceManager : public ResourceManager<String, ::gig::File> {
109                  protected:                  protected:
110                        // implementation of derived abstract methods from 'ResourceManager'
111                      virtual ::gig::File* Create(String Key, GigConsumer* pConsumer, void*& pArg);                      virtual ::gig::File* Create(String Key, GigConsumer* pConsumer, void*& pArg);
112                      virtual void         Destroy(::gig::File* pResource, void* pArg);                      virtual void         Destroy(::gig::File* pResource, void* pArg);
113                      virtual void         OnBorrow(::gig::File* pResource, GigConsumer* pConsumer, void*& pArg) {} // ignore                      virtual void         OnBorrow(::gig::File* pResource, GigConsumer* pConsumer, void*& pArg) {} // ignore
114                  public:                  public:
115                        GigResourceManager(InstrumentResourceManager* parent) : parent(parent) {}
116                      virtual ~GigResourceManager() {}                      virtual ~GigResourceManager() {}
117                    private:
118                        InstrumentResourceManager* parent;
119              } Gigs;              } Gigs;
120    
121              void CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel);              void CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel);
122      };              void CacheInitialSamples(::gig::Sample* pSample, gig::Engine* pEngine);
123                void UncacheInitialSamples(::gig::Sample* pSample);
124      /**              std::vector< ::gig::Instrument*> GetInstrumentsCurrentlyUsedOf(::gig::File* pFile, bool bLock);
125       * Will be thrown by the InstrumentResourceManager on errors.              std::set<gig::EngineChannel*> GetEngineChannelsUsing(::gig::Instrument* pInstrument, bool bLock);
126       */              std::set<gig::Engine*> GetEnginesUsing(::gig::Instrument* pInstrument, bool bLock);
127      class InstrumentResourceManagerException : public Exception {              std::set<gig::Engine*> GetEnginesUsing(::gig::File* pFile, bool bLock);
128          public:              bool SampleReferencedByInstrument(::gig::Sample* pSample, ::gig::Instrument* pInstrument);
129              InstrumentResourceManagerException(String msg) : Exception(msg) {}              void SuspendEnginesUsing(::gig::Instrument* pInstrument);
130                void SuspendEnginesUsing(::gig::File* pFile);
131                void ResumeAllEngines();
132    
133                struct dimreg_info_t {
134                    int           refCount;
135                    ::gig::File*  file;
136                    ::RIFF::File* riff;
137                };
138                Mutex DimRegInfoMutex; ///< protects the DimRegInfo and SampleRefCount maps from concurrent access by the instrument loader and disk threads
139                std::map< ::gig::DimensionRegion*, dimreg_info_t> DimRegInfo; ///< contains dimension regions that are still in use but belong to released instrument
140                std::map< ::gig::Sample*, int> SampleRefCount; ///< contains samples that are still in use but belong to a released instrument
141    
142                Mutex InstrumentEditorProxiesMutex; ///< protects the 'InstrumentEditorProxies' map
143                ArrayList<InstrumentConsumer*> InstrumentEditorProxies; ///< here we store the objects that react on instrument specific notifications on behalf of the respective instrument editor
144                std::set<Engine*> suspendedEngines; ///< all engines currently completely suspended
145                Mutex             suspendedEnginesMutex; ///< protects 'suspendedEngines' set
146      };      };
147    
148  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig

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