/[svn]/linuxsampler/trunk/src/engines/gig/InstrumentResourceManager.h
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revision 386 by letz, Thu Feb 17 10:45:30 2005 UTC revision 411 by schoenebeck, Sat Feb 26 02:01:14 2005 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 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 46  namespace LinuxSampler { namespace gig { Line 47  namespace LinuxSampler { namespace gig {
47    
48  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
49    
50    #include "EngineChannel.h"
51  #include "Engine.h"  #include "Engine.h"
52    
53  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
54    
55      // just symbol prototyping      // just symbol prototyping
56      class Engine;      class EngineChannel;
57    
58      /**      /**
59       * Explicitly identifies a Gigasampler instrument.       * Explicitly identifies a Gigasampler instrument.
# Line 69  namespace LinuxSampler { namespace gig { Line 71  namespace LinuxSampler { namespace gig {
71      /** Gig instrument manager      /** Gig instrument manager
72       *       *
73       * Manager to share gig instruments between multiple Gigasampler       * Manager to share gig instruments between multiple Gigasampler
74       * engines. The engines Borrow() instruments when they need them and       * engine channels. The engine channels Borrow() instruments when they
75       * HandBack() when they don't need them anymore. The       * need them and HandBack() when they don't need them anymore. The
76       * InstrumentResourceManager loads the corresponding gig file and gig       * InstrumentResourceManager loads the corresponding gig file and gig
77       * instrument if needed, if it's already in use by another engine, then       * instrument if needed, if it's already in use by another engine
78       * it just returns the same resource, if an gig instrument / file is not       * channel, then it just returns the same resource, if an gig
79       * in use by any engine anymore, then it will be freed from memory.       * instrument / file is not in use by any engine channel anymore, then
80         * it will be freed from memory.
81       */       */
82      class InstrumentResourceManager : public ResourceManager<instrument_id_t, ::gig::Instrument> {      class InstrumentResourceManager : public ResourceManager<instrument_id_t, ::gig::Instrument> {
83                  public:          public:
84                          virtual ~InstrumentResourceManager() {}              virtual ~InstrumentResourceManager() {}
85          protected:          protected:
86              virtual ::gig::Instrument* Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg);              virtual ::gig::Instrument* Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg);
87              virtual void               Destroy(::gig::Instrument* pResource, void* pArg);              virtual void               Destroy(::gig::Instrument* pResource, void* pArg);
# Line 97  namespace LinuxSampler { namespace gig { Line 100  namespace LinuxSampler { namespace gig {
100                      virtual ::gig::File* Create(String Key, GigConsumer* pConsumer, void*& pArg);                      virtual ::gig::File* Create(String Key, GigConsumer* pConsumer, void*& pArg);
101                      virtual void         Destroy(::gig::File* pResource, void* pArg);                      virtual void         Destroy(::gig::File* pResource, void* pArg);
102                      virtual void         OnBorrow(::gig::File* pResource, GigConsumer* pConsumer, void*& pArg) {} // ignore                      virtual void         OnBorrow(::gig::File* pResource, GigConsumer* pConsumer, void*& pArg) {} // ignore
103                                  public:                  public:
104                                          virtual ~GigResourceManager() {}                      virtual ~GigResourceManager() {}
105              } Gigs;              } Gigs;
106    
107              void CacheInitialSamples(::gig::Sample* pSample, gig::Engine* pEngine);              void CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel);
108      };      };
109    
110      /**      /**
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