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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005, 2006 Christian Schoenebeck * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#ifndef __LS_GIG_INSTRUMENTRESOURCEMANAGER_H__ |
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#define __LS_GIG_INSTRUMENTRESOURCEMANAGER_H__ |
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|
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#include "../../common/global.h" |
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|
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#include <gig.h> |
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|
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#include "../../common/global.h" |
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#include "../../common/Exception.h" |
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#include "../../common/ResourceManager.h" |
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#include "../../drivers/audio/AudioOutputDevice.h" |
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#include "../InstrumentManager.h" |
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|
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//namespace libgig = gig; |
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|
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namespace LinuxSampler { namespace gig { |
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|
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typedef ResourceConsumer< ::gig::Instrument> InstrumentConsumer; |
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|
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}} // namespace LinuxSampler::gig |
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|
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#include "EngineChannel.h" |
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#include "Engine.h" |
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|
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namespace LinuxSampler { namespace gig { |
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|
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// just symbol prototyping |
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class EngineChannel; |
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|
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/** @brief Gig instrument manager |
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* |
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* Manager to share gig instruments between multiple Gigasampler |
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* engine channels. The engine channels Borrow() instruments when they |
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* need them and HandBack() when they don't need them anymore. The |
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* InstrumentResourceManager loads the corresponding gig file and gig |
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* instrument if needed, if it's already in use by another engine |
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* channel, then it just returns the same resource, if an gig |
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* instrument / file is not needed anymore, then it will be freed from |
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* memory. |
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*/ |
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class InstrumentResourceManager : public InstrumentManager, public ResourceManager<InstrumentManager::instrument_id_t, ::gig::Instrument> { |
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public: |
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InstrumentResourceManager() : Gigs(this) {} |
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virtual ~InstrumentResourceManager() {} |
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static void OnInstrumentLoadingProgress(::gig::progress_t* pProgress); |
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|
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// implementation of derived abstract methods from 'InstrumentManager' |
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virtual std::vector<instrument_id_t> Instruments(); |
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virtual InstrumentManager::mode_t GetMode(const instrument_id_t& ID); |
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virtual void SetMode(const instrument_id_t& ID, InstrumentManager::mode_t Mode); |
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virtual String GetInstrumentName(instrument_id_t ID); |
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|
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void HandBackInstrument(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, |
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::gig::DimensionRegion** dimRegionsInUse); |
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void HandBackDimReg(::gig::DimensionRegion* pDimReg); |
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|
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protected: |
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virtual ::gig::Instrument* Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg); |
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virtual void Destroy(::gig::Instrument* pResource, void* pArg); |
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virtual void OnBorrow(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, void*& pArg); |
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private: |
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typedef ResourceConsumer< ::gig::File> GigConsumer; |
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|
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class GigResourceManager : public ResourceManager<String, ::gig::File> { |
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protected: |
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virtual ::gig::File* Create(String Key, GigConsumer* pConsumer, void*& pArg); |
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virtual void Destroy(::gig::File* pResource, void* pArg); |
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virtual void OnBorrow(::gig::File* pResource, GigConsumer* pConsumer, void*& pArg) {} // ignore |
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public: |
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GigResourceManager(InstrumentResourceManager* parent) : parent(parent) {} |
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virtual ~GigResourceManager() {} |
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private: |
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InstrumentResourceManager* parent; |
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} Gigs; |
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|
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void CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel); |
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|
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struct dimreg_info_t { |
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int refCount; |
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::gig::File* file; |
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::RIFF::File* riff; |
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}; |
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Mutex DimRegInfoMutex; ///< protects the DimRegInfo and SampleRefCount maps from concurrent access by the instrument loader and disk threads |
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std::map< ::gig::DimensionRegion*, dimreg_info_t> DimRegInfo; ///< contains dimension regions that are still in use but belong to released instrument |
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std::map< ::gig::Sample*, int> SampleRefCount; ///< contains samples that are still in use but belong to a released instrument |
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}; |
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|
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/** |
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* Will be thrown by the InstrumentResourceManager on errors. |
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*/ |
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class InstrumentResourceManagerException : public Exception { |
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public: |
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InstrumentResourceManagerException(String msg) : Exception(msg) {} |
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}; |
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|
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}} // namespace LinuxSampler::gig |
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|
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#endif // __LS_GIG_INSTRUMENTRESOURCEMANAGER_H__ |