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

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Revision 1868 - (hide annotations) (download) (as text)
Wed Mar 18 22:16:14 2009 UTC (15 years ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 8847 byte(s)
* C++ API method InstrumentManager::LaunchInstrumentEditor() now returns
  a pointer to the launched InstrumentEditor object

1 schoenebeck 53 /***************************************************************************
2     * *
3     * LinuxSampler - modular, streaming capable sampler *
4     * *
5 schoenebeck 56 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 schoenebeck 1868 * Copyright (C) 2005 - 2009 Christian Schoenebeck *
7 schoenebeck 53 * *
8     * 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 *
10     * the Free Software Foundation; either version 2 of the License, or *
11     * (at your option) any later version. *
12     * *
13     * This program is distributed in the hope that it will be useful, *
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16     * GNU General Public License for more details. *
17     * *
18     * You should have received a copy of the GNU General Public License *
19     * along with this program; if not, write to the Free Software *
20     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21     * MA 02111-1307 USA *
22     ***************************************************************************/
23    
24     #ifndef __LS_GIG_INSTRUMENTRESOURCEMANAGER_H__
25     #define __LS_GIG_INSTRUMENTRESOURCEMANAGER_H__
26    
27     #include "../../common/global.h"
28    
29 schoenebeck 505 #include <gig.h>
30    
31 schoenebeck 53 #include "../../common/global.h"
32     #include "../../common/ResourceManager.h"
33 schoenebeck 203 #include "../../drivers/audio/AudioOutputDevice.h"
34 schoenebeck 947 #include "../InstrumentManager.h"
35 schoenebeck 1653 #include "../../common/ArrayList.h"
36 schoenebeck 53
37     //namespace libgig = gig;
38    
39     namespace LinuxSampler { namespace gig {
40    
41     typedef ResourceConsumer< ::gig::Instrument> InstrumentConsumer;
42    
43     }} // namespace LinuxSampler::gig
44    
45 schoenebeck 411 #include "EngineChannel.h"
46 schoenebeck 53 #include "Engine.h"
47 schoenebeck 1375 #include "../../plugins/InstrumentEditor.h"
48 schoenebeck 53
49     namespace LinuxSampler { namespace gig {
50    
51     // just symbol prototyping
52 schoenebeck 411 class EngineChannel;
53 schoenebeck 1321 class Engine;
54 schoenebeck 53
55 schoenebeck 947 /** @brief Gig instrument manager
56 schoenebeck 53 *
57     * Manager to share gig instruments between multiple Gigasampler
58 schoenebeck 411 * engine channels. The engine channels Borrow() instruments when they
59     * need them and HandBack() when they don't need them anymore. The
60 schoenebeck 53 * InstrumentResourceManager loads the corresponding gig file and gig
61 schoenebeck 411 * instrument if needed, if it's already in use by another engine
62     * channel, then it just returns the same resource, if an gig
63 schoenebeck 947 * instrument / file is not needed anymore, then it will be freed from
64     * memory.
65 schoenebeck 53 */
66 schoenebeck 1212 class InstrumentResourceManager : public InstrumentManager, public ResourceManager<InstrumentManager::instrument_id_t, ::gig::Instrument>, public InstrumentEditorListener {
67 schoenebeck 411 public:
68 persson 1038 InstrumentResourceManager() : Gigs(this) {}
69 schoenebeck 411 virtual ~InstrumentResourceManager() {}
70 schoenebeck 517 static void OnInstrumentLoadingProgress(::gig::progress_t* pProgress);
71 schoenebeck 947
72     // implementation of derived abstract methods from 'InstrumentManager'
73     virtual std::vector<instrument_id_t> Instruments();
74     virtual InstrumentManager::mode_t GetMode(const instrument_id_t& ID);
75     virtual void SetMode(const instrument_id_t& ID, InstrumentManager::mode_t Mode);
76     virtual String GetInstrumentName(instrument_id_t ID);
77 schoenebeck 1321 virtual String GetInstrumentDataStructureName(instrument_id_t ID);
78     virtual String GetInstrumentDataStructureVersion(instrument_id_t ID);
79 schoenebeck 1868 virtual InstrumentEditor* LaunchInstrumentEditor(instrument_id_t ID) throw (InstrumentManagerException);
80 schoenebeck 1525 virtual std::vector<instrument_id_t> GetInstrumentFileContent(String File) throw (InstrumentManagerException);
81     virtual instrument_info_t GetInstrumentInfo(instrument_id_t ID) throw (InstrumentManagerException);
82 persson 1038
83 schoenebeck 1321 // implementation of derived abstract methods from 'InstrumentEditorListener'
84 schoenebeck 1212 virtual void OnInstrumentEditorQuit(InstrumentEditor* pSender);
85 schoenebeck 1321 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 schoenebeck 1212
91 persson 1038 void HandBackInstrument(::gig::Instrument* pResource, InstrumentConsumer* pConsumer,
92 persson 1646 RTList< ::gig::DimensionRegion*>* pDimRegionsInUse);
93 persson 1038 void HandBackDimReg(::gig::DimensionRegion* pDimReg);
94    
95 schoenebeck 1662 #if 0 // currently unused :
96 schoenebeck 1653 void TrySendNoteOnToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument);
97     void TrySendNoteOffToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument);
98 schoenebeck 1662 #endif // unused
99 schoenebeck 1653
100 schoenebeck 53 protected:
101 schoenebeck 1321 // implementation of derived abstract methods from 'ResourceManager'
102 schoenebeck 53 virtual ::gig::Instrument* Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg);
103     virtual void Destroy(::gig::Instrument* pResource, void* pArg);
104     virtual void OnBorrow(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, void*& pArg);
105     private:
106     typedef ResourceConsumer< ::gig::File> GigConsumer;
107    
108     class GigResourceManager : public ResourceManager<String, ::gig::File> {
109     protected:
110 schoenebeck 1321 // implementation of derived abstract methods from 'ResourceManager'
111 schoenebeck 53 virtual ::gig::File* Create(String Key, GigConsumer* pConsumer, void*& pArg);
112     virtual void Destroy(::gig::File* pResource, void* pArg);
113     virtual void OnBorrow(::gig::File* pResource, GigConsumer* pConsumer, void*& pArg) {} // ignore
114 schoenebeck 411 public:
115 persson 1038 GigResourceManager(InstrumentResourceManager* parent) : parent(parent) {}
116 schoenebeck 411 virtual ~GigResourceManager() {}
117 persson 1038 private:
118     InstrumentResourceManager* parent;
119 schoenebeck 53 } Gigs;
120    
121 schoenebeck 411 void CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel);
122 schoenebeck 1321 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 schoenebeck 1659 std::set<gig::EngineChannel*> GetEngineChannelsUsing(::gig::Instrument* pInstrument, bool bLock);
126     std::set<gig::Engine*> GetEnginesUsing(::gig::Instrument* pInstrument, bool bLock);
127 schoenebeck 1321 std::set<gig::Engine*> GetEnginesUsing(::gig::File* pFile, bool bLock);
128     bool SampleReferencedByInstrument(::gig::Sample* pSample, ::gig::Instrument* pInstrument);
129     void SuspendEnginesUsing(::gig::Instrument* pInstrument);
130     void SuspendEnginesUsing(::gig::File* pFile);
131     void ResumeAllEngines();
132 persson 1038
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 schoenebeck 53
142 schoenebeck 1212 Mutex InstrumentEditorProxiesMutex; ///< protects the 'InstrumentEditorProxies' map
143 schoenebeck 1653 ArrayList<InstrumentConsumer*> InstrumentEditorProxies; ///< here we store the objects that react on instrument specific notifications on behalf of the respective instrument editor
144 schoenebeck 1321 std::set<Engine*> suspendedEngines; ///< all engines currently completely suspended
145     Mutex suspendedEnginesMutex; ///< protects 'suspendedEngines' set
146 schoenebeck 53 };
147    
148     }} // namespace LinuxSampler::gig
149    
150     #endif // __LS_GIG_INSTRUMENTRESOURCEMANAGER_H__

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