/[svn]/linuxsampler/trunk/src/engines/gig/InstrumentResourceManager.h
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revision 947 by schoenebeck, Mon Nov 27 21:34:55 2006 UTC revision 1375 by schoenebeck, Wed Oct 3 18:41:09 2007 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 - 2007 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"
# Line 44  namespace LinuxSampler { namespace gig { Line 43  namespace LinuxSampler { namespace gig {
43    
44  #include "EngineChannel.h"  #include "EngineChannel.h"
45  #include "Engine.h"  #include "Engine.h"
46    #include "../../plugins/InstrumentEditor.h"
47    
48  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
49    
50      // just symbol prototyping      // just symbol prototyping
51      class EngineChannel;      class EngineChannel;
52        class Engine;
53    
54      /** @brief Gig instrument manager      /** @brief Gig instrument manager
55       *       *
# Line 61  namespace LinuxSampler { namespace gig { Line 62  namespace LinuxSampler { namespace gig {
62       * instrument / file is not needed anymore, then it will be freed from       * instrument / file is not needed anymore, then it will be freed from
63       * memory.       * memory.
64       */       */
65      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 {
66          public:          public:
67                InstrumentResourceManager() : Gigs(this) {}
68              virtual ~InstrumentResourceManager() {}              virtual ~InstrumentResourceManager() {}
69              static void OnInstrumentLoadingProgress(::gig::progress_t* pProgress);              static void OnInstrumentLoadingProgress(::gig::progress_t* pProgress);
70    
# Line 70  namespace LinuxSampler { namespace gig { Line 72  namespace LinuxSampler { namespace gig {
72              virtual std::vector<instrument_id_t> Instruments();              virtual std::vector<instrument_id_t> Instruments();
73              virtual InstrumentManager::mode_t GetMode(const instrument_id_t& ID);              virtual InstrumentManager::mode_t GetMode(const instrument_id_t& ID);
74              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);  
75              virtual String GetInstrumentName(instrument_id_t ID);              virtual String GetInstrumentName(instrument_id_t ID);
76                virtual String GetInstrumentDataStructureName(instrument_id_t ID);
77                virtual String GetInstrumentDataStructureVersion(instrument_id_t ID);
78                virtual void LaunchInstrumentEditor(instrument_id_t ID) throw (InstrumentManagerException);
79    
80                // implementation of derived abstract methods from 'InstrumentEditorListener'
81                virtual void OnInstrumentEditorQuit(InstrumentEditor* pSender);
82                virtual void OnSamplesToBeRemoved(std::set<void*> Samples, InstrumentEditor* pSender);
83                virtual void OnSamplesRemoved(InstrumentEditor* pSender);
84                virtual void OnDataStructureToBeChanged(void* pStruct, String sStructType, InstrumentEditor* pSender);
85                virtual void OnDataStructureChanged(void* pStruct, String sStructType, InstrumentEditor* pSender);
86                virtual void OnSampleReferenceChanged(void* pOldSample, void* pNewSample, InstrumentEditor* pSender);
87    
88                void HandBackInstrument(::gig::Instrument* pResource, InstrumentConsumer* pConsumer,
89                                        ::gig::DimensionRegion** dimRegionsInUse);
90                void HandBackDimReg(::gig::DimensionRegion* pDimReg);
91    
92          protected:          protected:
93                // implementation of derived abstract methods from 'ResourceManager'
94              virtual ::gig::Instrument* Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg);              virtual ::gig::Instrument* Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg);
95              virtual void               Destroy(::gig::Instrument* pResource, void* pArg);              virtual void               Destroy(::gig::Instrument* pResource, void* pArg);
96              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 99  namespace LinuxSampler { namespace gig {
99    
100              class GigResourceManager : public ResourceManager<String, ::gig::File> {              class GigResourceManager : public ResourceManager<String, ::gig::File> {
101                  protected:                  protected:
102                        // implementation of derived abstract methods from 'ResourceManager'
103                      virtual ::gig::File* Create(String Key, GigConsumer* pConsumer, void*& pArg);                      virtual ::gig::File* Create(String Key, GigConsumer* pConsumer, void*& pArg);
104                      virtual void         Destroy(::gig::File* pResource, void* pArg);                      virtual void         Destroy(::gig::File* pResource, void* pArg);
105                      virtual void         OnBorrow(::gig::File* pResource, GigConsumer* pConsumer, void*& pArg) {} // ignore                      virtual void         OnBorrow(::gig::File* pResource, GigConsumer* pConsumer, void*& pArg) {} // ignore
106                  public:                  public:
107                        GigResourceManager(InstrumentResourceManager* parent) : parent(parent) {}
108                      virtual ~GigResourceManager() {}                      virtual ~GigResourceManager() {}
109                    private:
110                        InstrumentResourceManager* parent;
111              } Gigs;              } Gigs;
112    
113              void CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel);              void CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel);
114      };              void CacheInitialSamples(::gig::Sample* pSample, gig::Engine* pEngine);
115                void UncacheInitialSamples(::gig::Sample* pSample);
116      /**              std::vector< ::gig::Instrument*> GetInstrumentsCurrentlyUsedOf(::gig::File* pFile, bool bLock);
117       * Will be thrown by the InstrumentResourceManager on errors.              std::set<gig::Engine*> GetEnginesUsing(::gig::Instrument* pFile, bool bLock);
118       */              std::set<gig::Engine*> GetEnginesUsing(::gig::File* pFile, bool bLock);
119      class InstrumentResourceManagerException : public Exception {              bool SampleReferencedByInstrument(::gig::Sample* pSample, ::gig::Instrument* pInstrument);
120          public:              void SuspendEnginesUsing(::gig::Instrument* pInstrument);
121              InstrumentResourceManagerException(String msg) : Exception(msg) {}              void SuspendEnginesUsing(::gig::File* pFile);
122                void ResumeAllEngines();
123    
124                struct dimreg_info_t {
125                    int           refCount;
126                    ::gig::File*  file;
127                    ::RIFF::File* riff;
128                };
129                Mutex DimRegInfoMutex; ///< protects the DimRegInfo and SampleRefCount maps from concurrent access by the instrument loader and disk threads
130                std::map< ::gig::DimensionRegion*, dimreg_info_t> DimRegInfo; ///< contains dimension regions that are still in use but belong to released instrument
131                std::map< ::gig::Sample*, int> SampleRefCount; ///< contains samples that are still in use but belong to a released instrument
132    
133                Mutex InstrumentEditorProxiesMutex; ///< protects the 'InstrumentEditorProxies' map
134                std::map<InstrumentEditor*, InstrumentConsumer*> InstrumentEditorProxies; ///< here we store the objects that react on instrument specific notifications on behalf of the respective instrument editor
135                std::set<Engine*> suspendedEngines; ///< all engines currently completely suspended
136                Mutex             suspendedEnginesMutex; ///< protects 'suspendedEngines' set
137      };      };
138    
139  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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