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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 Christian Schoenebeck * |
* Copyright (C) 2005 - 2007 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* 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 * |
* it under the terms of the GNU General Public License as published by * |
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#include "InstrumentResourceManager.h" |
#include "InstrumentResourceManager.h" |
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#include "../../common/global_private.h" |
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#include "../../plugins/InstrumentEditorFactory.h" |
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|
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// We need to know the maximum number of sample points which are going to |
// We need to know the maximum number of sample points which are going to |
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// be processed for each render cycle of the audio output driver, to know |
// be processed for each render cycle of the audio output driver, to know |
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// how much initial sample points we need to cache into RAM. If the given |
// how much initial sample points we need to cache into RAM. If the given |
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|
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namespace LinuxSampler { namespace gig { |
namespace LinuxSampler { namespace gig { |
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// data stored as long as an instrument resource exists |
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struct instr_entry_t { |
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InstrumentManager::instrument_id_t ID; |
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::gig::File* pGig; |
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uint MaxSamplesPerCycle; ///< if some engine requests an already allocated instrument with a higher value, we have to reallocate the instrument |
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}; |
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|
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// some data needed for the libgig callback function |
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struct progress_callback_arg_t { |
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InstrumentResourceManager* pManager; |
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InstrumentManager::instrument_id_t* pInstrumentKey; |
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}; |
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|
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// we use this to react on events concerning an instrument on behalf of an instrument editor |
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class InstrumentEditorProxy : public InstrumentConsumer { |
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public: |
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virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) { |
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//TODO: inform the instrument editor about the pending update |
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} |
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|
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virtual void ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) { |
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//TODO:: inform the instrument editor about finished update |
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} |
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|
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virtual void OnResourceProgress(float fProgress) { |
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//TODO: inform the instrument editor about the progress of an update |
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} |
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|
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// the instrument we borrowed on behalf of the editor |
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::gig::Instrument* pInstrument; |
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}; |
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|
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/** |
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* Callback function which will be called by libgig during loading of |
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* instruments to inform about the current progress. Or to be more |
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* specific; it will be called during the GetInstrument() call. |
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* |
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* @param pProgress - contains current progress value, pointer to the |
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* InstrumentResourceManager instance and |
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* instrument ID |
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*/ |
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void InstrumentResourceManager::OnInstrumentLoadingProgress(::gig::progress_t* pProgress) { |
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dmsg(7,("gig::InstrumentResourceManager: progress %f%", pProgress->factor)); |
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progress_callback_arg_t* pArg = static_cast<progress_callback_arg_t*>(pProgress->custom); |
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// we randomly schedule 90% for the .gig file loading and the remaining 10% later for sample caching |
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const float localProgress = 0.9f * pProgress->factor; |
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pArg->pManager->DispatchResourceProgressEvent(*pArg->pInstrumentKey, localProgress); |
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} |
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|
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std::vector<InstrumentResourceManager::instrument_id_t> InstrumentResourceManager::Instruments() { |
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return Entries(); |
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} |
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InstrumentManager::mode_t InstrumentResourceManager::GetMode(const instrument_id_t& ID) { |
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return static_cast<InstrumentManager::mode_t>(AvailabilityMode(ID)); |
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} |
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|
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void InstrumentResourceManager::SetMode(const instrument_id_t& ID, InstrumentManager::mode_t Mode) { |
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dmsg(2,("gig::InstrumentResourceManager: setting mode for %s (Index=%d) to %d\n",ID.FileName.c_str(),ID.Index,Mode)); |
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SetAvailabilityMode(ID, static_cast<ResourceManager<InstrumentManager::instrument_id_t, ::gig::Instrument>::mode_t>(Mode)); |
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} |
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String InstrumentResourceManager::GetInstrumentName(instrument_id_t ID) { |
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Lock(); |
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::gig::Instrument* pInstrument = Resource(ID, false); |
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String res = (pInstrument) ? pInstrument->pInfo->Name : ""; |
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Unlock(); |
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return res; |
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} |
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String InstrumentResourceManager::GetInstrumentDataStructureName(instrument_id_t ID) { |
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return ::gig::libraryName(); |
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} |
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String InstrumentResourceManager::GetInstrumentDataStructureVersion(instrument_id_t ID) { |
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return ::gig::libraryVersion(); |
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} |
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std::vector<InstrumentResourceManager::instrument_id_t> InstrumentResourceManager::GetInstrumentFileContent(String File) throw (InstrumentManagerException) { |
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::RIFF::File* riff = NULL; |
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::gig::File* gig = NULL; |
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try { |
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std::vector<instrument_id_t> result; |
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riff = new ::RIFF::File(File); |
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gig = new ::gig::File(riff); |
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gig->SetAutoLoad(false); // avoid time consuming samples scanning |
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for (int i = 0; gig->GetInstrument(i); i++) { |
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instrument_id_t id; |
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id.FileName = File; |
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id.Index = i; |
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result.push_back(id); |
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} |
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if (gig) delete gig; |
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if (riff) delete riff; |
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return result; |
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} catch (::RIFF::Exception e) { |
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if (gig) delete gig; |
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if (riff) delete riff; |
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throw InstrumentManagerException(e.Message); |
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} catch (...) { |
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if (gig) delete gig; |
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if (riff) delete riff; |
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throw InstrumentManagerException("Unknown exception while trying to parse '" + File + "'"); |
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} |
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} |
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InstrumentResourceManager::instrument_info_t InstrumentResourceManager::GetInstrumentInfo(instrument_id_t ID) throw (InstrumentManagerException) { |
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std::vector<instrument_id_t> result; |
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::RIFF::File* riff = NULL; |
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::gig::File* gig = NULL; |
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try { |
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riff = new ::RIFF::File(ID.FileName); |
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gig = new ::gig::File(riff); |
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gig->SetAutoLoad(false); // avoid time consuming samples scanning |
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::gig::Instrument* pInstrument = gig->GetInstrument(ID.Index); |
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if (!pInstrument) throw InstrumentManagerException("There is no instrument " + ToString(ID.Index) + " in " + ID.FileName); |
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instrument_info_t info; |
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if (gig->pVersion) { |
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info.FormatVersion = ToString(gig->pVersion->major); |
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info.Product = gig->pInfo->Product; |
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info.Artists = gig->pInfo->Artists; |
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} |
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info.InstrumentName = pInstrument->pInfo->Name; |
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if (gig) delete gig; |
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if (riff) delete riff; |
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return info; |
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} catch (::RIFF::Exception e) { |
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if (gig) delete gig; |
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if (riff) delete riff; |
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throw InstrumentManagerException(e.Message); |
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} catch (...) { |
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if (gig) delete gig; |
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if (riff) delete riff; |
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throw InstrumentManagerException("Unknown exception while trying to parse '" + ID.FileName + "'"); |
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} |
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} |
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void InstrumentResourceManager::LaunchInstrumentEditor(instrument_id_t ID) throw (InstrumentManagerException) { |
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const String sDataType = GetInstrumentDataStructureName(ID); |
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const String sDataVersion = GetInstrumentDataStructureVersion(ID); |
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// find instrument editors capable to handle given instrument |
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std::vector<String> vEditors = |
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InstrumentEditorFactory::MatchingEditors(sDataType, sDataVersion); |
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if (!vEditors.size()) |
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throw InstrumentManagerException( |
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"There is no instrument editor capable to handle this instrument" |
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); |
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// simply use the first editor in the result set |
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dmsg(1,("Found matching editor '%s' for instrument ('%s', %d) having data structure ('%s','%s')\n", |
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vEditors[0].c_str(), ID.FileName.c_str(), ID.Index, sDataType.c_str(), sDataVersion.c_str())); |
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InstrumentEditor* pEditor = InstrumentEditorFactory::Create(vEditors[0]); |
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// register for receiving notifications from the instrument editor |
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pEditor->AddListener(this); |
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// create a proxy that reacts on notification on behalf of the editor |
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InstrumentEditorProxy* pProxy = new InstrumentEditorProxy; |
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// borrow the instrument on behalf of the instrument editor |
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::gig::Instrument* pInstrument = Borrow(ID, pProxy); |
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// remember the proxy and instrument for this instrument editor |
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pProxy->pInstrument = pInstrument; |
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InstrumentEditorProxiesMutex.Lock(); |
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InstrumentEditorProxies[pEditor] = pProxy; |
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InstrumentEditorProxiesMutex.Unlock(); |
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// launch the instrument editor for the given instrument |
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pEditor->Launch(pInstrument, sDataType, sDataVersion); |
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} |
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/** |
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* Will be called by the respective instrument editor once it left its |
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* Main() loop. That way we can handle cleanup before its thread finally |
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* dies. |
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* |
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* @param pSender - instrument editor that stops execution |
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*/ |
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void InstrumentResourceManager::OnInstrumentEditorQuit(InstrumentEditor* pSender) { |
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dmsg(1,("InstrumentResourceManager: instrument editor quit, doing cleanup\n")); |
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// hand back instrument and free proxy |
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InstrumentEditorProxiesMutex.Lock(); |
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if (InstrumentEditorProxies.count(pSender)) { |
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InstrumentEditorProxy* pProxy = |
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dynamic_cast<InstrumentEditorProxy*>( |
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InstrumentEditorProxies[pSender] |
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); |
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InstrumentEditorProxies.erase(pSender); |
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InstrumentEditorProxiesMutex.Unlock(); |
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HandBack(pProxy->pInstrument, pProxy); |
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if (pProxy) delete pProxy; |
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} else { |
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InstrumentEditorProxiesMutex.Unlock(); |
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std::cerr << "Eeeek, could not find instrument editor proxy, this is a bug!\n" << std::flush; |
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} |
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// Note that we don't need to free the editor here. As it |
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// derives from Thread, it will delete itself when the thread |
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// dies. |
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} |
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void InstrumentResourceManager::OnSamplesToBeRemoved(std::set<void*> Samples, InstrumentEditor* pSender) { |
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if (Samples.empty()) { |
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std::cerr << "gig::InstrumentResourceManager: WARNING, " |
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"OnSamplesToBeRemoved() called with empty list, this " |
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"is a bug!\n" << std::flush; |
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return; |
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} |
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// TODO: ATM we assume here that all samples are from the same file |
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::gig::Sample* pFirstSample = (::gig::Sample*) *Samples.begin(); |
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::gig::File* pCriticalFile = dynamic_cast< ::gig::File*>(pFirstSample->GetParent()); |
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// completely suspend all engines that use that same file |
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SuspendEnginesUsing(pCriticalFile); |
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} |
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void InstrumentResourceManager::OnSamplesRemoved(InstrumentEditor* pSender) { |
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// resume all previously, completely suspended engines |
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// (we don't have to un-cache the removed samples here, since that is |
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// automatically done by the gig::Sample destructor) |
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ResumeAllEngines(); |
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} |
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void InstrumentResourceManager::OnDataStructureToBeChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) { |
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//TODO: remove code duplication |
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if (sStructType == "gig::File") { |
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// completely suspend all engines that use that file |
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::gig::File* pFile = (::gig::File*) pStruct; |
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SuspendEnginesUsing(pFile); |
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} else if (sStructType == "gig::Instrument") { |
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// completely suspend all engines that use that instrument |
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::gig::Instrument* pInstrument = (::gig::Instrument*) pStruct; |
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SuspendEnginesUsing(pInstrument); |
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} else if (sStructType == "gig::Region") { |
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// only advice the engines to suspend the given region, so they'll |
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// only ignore that region (and probably already other suspended |
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// ones), but beside that continue normal playback |
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::gig::Region* pRegion = (::gig::Region*) pStruct; |
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::gig::Instrument* pInstrument = |
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(::gig::Instrument*) pRegion->GetParent(); |
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Lock(); |
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std::set<gig::Engine*> engines = |
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GetEnginesUsing(pInstrument, false/*don't lock again*/); |
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std::set<gig::Engine*>::iterator iter = engines.begin(); |
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std::set<gig::Engine*>::iterator end = engines.end(); |
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for (; iter != end; ++iter) (*iter)->Suspend(pRegion); |
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Unlock(); |
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} else if (sStructType == "gig::DimensionRegion") { |
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// only advice the engines to suspend the given DimensionRegions's |
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// parent region, so they'll only ignore that region (and probably |
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// already other suspended ones), but beside that continue normal |
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// playback |
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::gig::DimensionRegion* pDimReg = |
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(::gig::DimensionRegion*) pStruct; |
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::gig::Region* pRegion = pDimReg->GetParent(); |
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::gig::Instrument* pInstrument = |
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(::gig::Instrument*) pRegion->GetParent(); |
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Lock(); |
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std::set<gig::Engine*> engines = |
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GetEnginesUsing(pInstrument, false/*don't lock again*/); |
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std::set<gig::Engine*>::iterator iter = engines.begin(); |
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std::set<gig::Engine*>::iterator end = engines.end(); |
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for (; iter != end; ++iter) (*iter)->Suspend(pRegion); |
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Unlock(); |
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} else { |
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std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data " |
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"structure '" << sStructType << "' requested to be " |
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"suspended by instrument editor. This is a bug!\n" |
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<< std::flush; |
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//TODO: we should inform the instrument editor that something seriously went wrong |
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} |
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} |
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void InstrumentResourceManager::OnDataStructureChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) { |
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//TODO: remove code duplication |
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if (sStructType == "gig::File") { |
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// resume all previously suspended engines |
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ResumeAllEngines(); |
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} else if (sStructType == "gig::Instrument") { |
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// resume all previously suspended engines |
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ResumeAllEngines(); |
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} else if (sStructType == "gig::Region") { |
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// advice the engines to resume the given region, that is to |
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// using it for playback again |
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::gig::Region* pRegion = (::gig::Region*) pStruct; |
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::gig::Instrument* pInstrument = |
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(::gig::Instrument*) pRegion->GetParent(); |
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Lock(); |
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std::set<gig::Engine*> engines = |
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GetEnginesUsing(pInstrument, false/*don't lock again*/); |
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std::set<gig::Engine*>::iterator iter = engines.begin(); |
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std::set<gig::Engine*>::iterator end = engines.end(); |
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for (; iter != end; ++iter) (*iter)->Resume(pRegion); |
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Unlock(); |
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} else if (sStructType == "gig::DimensionRegion") { |
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// advice the engines to resume the given DimensionRegion's parent |
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// region, that is to using it for playback again |
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::gig::DimensionRegion* pDimReg = |
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(::gig::DimensionRegion*) pStruct; |
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::gig::Region* pRegion = pDimReg->GetParent(); |
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::gig::Instrument* pInstrument = |
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(::gig::Instrument*) pRegion->GetParent(); |
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Lock(); |
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std::set<gig::Engine*> engines = |
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GetEnginesUsing(pInstrument, false/*don't lock again*/); |
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std::set<gig::Engine*>::iterator iter = engines.begin(); |
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std::set<gig::Engine*>::iterator end = engines.end(); |
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for (; iter != end; ++iter) (*iter)->Resume(pRegion); |
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Unlock(); |
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} else { |
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std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data " |
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"structure '" << sStructType << "' requested to be " |
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"resumed by instrument editor. This is a bug!\n" |
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<< std::flush; |
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//TODO: we should inform the instrument editor that something seriously went wrong |
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} |
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} |
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|
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void InstrumentResourceManager::OnSampleReferenceChanged(void* pOldSample, void* pNewSample, InstrumentEditor* pSender) { |
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// uncache old sample in case it's not used by anybody anymore |
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if (pOldSample) { |
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Lock(); |
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::gig::Sample* pSample = (::gig::Sample*) pOldSample; |
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::gig::File* pFile = (::gig::File*) pSample->GetParent(); |
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std::vector< ::gig::Instrument*> instruments = |
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GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/); |
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for (int i = 0; i < instruments.size(); i++) |
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if (!SampleReferencedByInstrument(pSample, instruments[i])) |
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UncacheInitialSamples(pSample); |
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Unlock(); |
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} |
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// make sure new sample reference is cached |
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if (pNewSample) { |
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Lock(); |
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::gig::Sample* pSample = (::gig::Sample*) pNewSample; |
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::gig::File* pFile = (::gig::File*) pSample->GetParent(); |
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// get all engines that use that same gig::File |
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std::set<gig::Engine*> engines = GetEnginesUsing(pFile, false/*don't lock again*/); |
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std::set<gig::Engine*>::iterator iter = engines.begin(); |
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std::set<gig::Engine*>::iterator end = engines.end(); |
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for (; iter != end; ++iter) |
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CacheInitialSamples(pSample, *iter); |
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Unlock(); |
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} |
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} |
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|
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::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) { |
::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) { |
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// get gig file from inernal gig file manager |
// get gig file from internal gig file manager |
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::gig::File* pGig = Gigs.Borrow(Key.FileName, (GigConsumer*) Key.iInstrument); // conversion kinda hackish :/ |
::gig::File* pGig = Gigs.Borrow(Key.FileName, (GigConsumer*) Key.Index); // conversion kinda hackish :/ |
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|
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// we pass this to the progress callback mechanism of libgig |
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progress_callback_arg_t callbackArg; |
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callbackArg.pManager = this; |
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callbackArg.pInstrumentKey = &Key; |
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|
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::gig::progress_t progress; |
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progress.callback = OnInstrumentLoadingProgress; |
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progress.custom = &callbackArg; |
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|
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dmsg(1,("Loading gig instrument...")); |
dmsg(1,("Loading gig instrument ('%s',%d)...",Key.FileName.c_str(),Key.Index)); |
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::gig::Instrument* pInstrument = pGig->GetInstrument(Key.iInstrument); |
::gig::Instrument* pInstrument = pGig->GetInstrument(Key.Index, &progress); |
395 |
if (!pInstrument) { |
if (!pInstrument) { |
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std::stringstream msg; |
std::stringstream msg; |
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msg << "There's no instrument with index " << Key.iInstrument << "."; |
msg << "There's no instrument with index " << Key.Index << "."; |
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throw InstrumentResourceManagerException(msg.str()); |
throw InstrumentManagerException(msg.str()); |
399 |
} |
} |
400 |
pGig->GetFirstSample(); // just to force complete instrument loading |
pGig->GetFirstSample(); // just to force complete instrument loading |
401 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
402 |
|
|
403 |
// cache initial samples points (for actually needed samples) |
// cache initial samples points (for actually needed samples) |
404 |
dmsg(1,("Caching initial samples...")); |
dmsg(1,("Caching initial samples...")); |
405 |
|
uint iRegion = 0; // just for progress calculation |
406 |
::gig::Region* pRgn = pInstrument->GetFirstRegion(); |
::gig::Region* pRgn = pInstrument->GetFirstRegion(); |
407 |
while (pRgn) { |
while (pRgn) { |
408 |
|
// we randomly schedule 90% for the .gig file loading and the remaining 10% now for sample caching |
409 |
|
const float localProgress = 0.9f + 0.1f * (float) iRegion / (float) pInstrument->Regions; |
410 |
|
DispatchResourceProgressEvent(Key, localProgress); |
411 |
|
|
412 |
if (pRgn->GetSample() && !pRgn->GetSample()->GetCache().Size) { |
if (pRgn->GetSample() && !pRgn->GetSample()->GetCache().Size) { |
413 |
dmsg(2,("C")); |
dmsg(2,("C")); |
414 |
CacheInitialSamples(pRgn->GetSample(), dynamic_cast<gig::EngineChannel*>(pConsumer)); |
CacheInitialSamples(pRgn->GetSample(), (gig::EngineChannel*) pConsumer); |
415 |
} |
} |
416 |
for (uint i = 0; i < pRgn->DimensionRegions; i++) { |
for (uint i = 0; i < pRgn->DimensionRegions; i++) { |
417 |
CacheInitialSamples(pRgn->pDimensionRegions[i]->pSample, dynamic_cast<gig::EngineChannel*>(pConsumer)); |
CacheInitialSamples(pRgn->pDimensionRegions[i]->pSample, (gig::EngineChannel*) pConsumer); |
418 |
} |
} |
419 |
|
|
420 |
pRgn = pInstrument->GetNextRegion(); |
pRgn = pInstrument->GetNextRegion(); |
421 |
|
iRegion++; |
422 |
} |
} |
423 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
424 |
|
DispatchResourceProgressEvent(Key, 1.0f); // done; notify all consumers about progress 100% |
425 |
|
|
426 |
// we need the following for destruction later |
// we need the following for destruction later |
427 |
instr_entry_t* pEntry = new instr_entry_t; |
instr_entry_t* pEntry = new instr_entry_t; |
428 |
pEntry->iInstrument = Key.iInstrument; |
pEntry->ID.FileName = Key.FileName; |
429 |
|
pEntry->ID.Index = Key.Index; |
430 |
pEntry->pGig = pGig; |
pEntry->pGig = pGig; |
431 |
|
|
432 |
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer); |
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer); |
433 |
// and we save this to check if we need to reallocate for a engine with higher value of 'MaxSamplesPerSecond' |
// and we save this to check if we need to reallocate for a engine with higher value of 'MaxSamplesPerSecond' |
434 |
pEntry->MaxSamplesPerCycle = |
pEntry->MaxSamplesPerCycle = |
435 |
(pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
(!pEngineChannel) ? 0 /* don't care for instrument editors */ : |
436 |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
(pEngineChannel->GetEngine()) ? |
437 |
|
dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
438 |
|
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
439 |
pArg = pEntry; |
pArg = pEntry; |
440 |
|
|
441 |
return pInstrument; |
return pInstrument; |
443 |
|
|
444 |
void InstrumentResourceManager::Destroy( ::gig::Instrument* pResource, void* pArg) { |
void InstrumentResourceManager::Destroy( ::gig::Instrument* pResource, void* pArg) { |
445 |
instr_entry_t* pEntry = (instr_entry_t*) pArg; |
instr_entry_t* pEntry = (instr_entry_t*) pArg; |
446 |
Gigs.HandBack(pEntry->pGig, (GigConsumer*) pEntry->iInstrument); // conversion kinda hackish :/ |
// we don't need the .gig file here anymore |
447 |
|
Gigs.HandBack(pEntry->pGig, (GigConsumer*) pEntry->ID.Index); // conversion kinda hackish :/ |
448 |
delete pEntry; |
delete pEntry; |
449 |
} |
} |
450 |
|
|
452 |
instr_entry_t* pEntry = (instr_entry_t*) pArg; |
instr_entry_t* pEntry = (instr_entry_t*) pArg; |
453 |
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer); |
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer); |
454 |
uint maxSamplesPerCycle = |
uint maxSamplesPerCycle = |
455 |
(pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
(pEngineChannel && pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
456 |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
457 |
if (pEntry->MaxSamplesPerCycle < maxSamplesPerCycle) { |
if (pEntry->MaxSamplesPerCycle < maxSamplesPerCycle) { |
458 |
Update(pResource, pConsumer); |
Update(pResource, pConsumer); |
460 |
} |
} |
461 |
|
|
462 |
/** |
/** |
463 |
|
* Give back an instrument. This should be used instead of |
464 |
|
* HandBack if there are some dimension regions that are still in |
465 |
|
* use. (When an instrument is changed, the voices currently |
466 |
|
* playing is allowed to keep playing with the old instrument |
467 |
|
* until note off arrives. New notes will use the new instrument.) |
468 |
|
*/ |
469 |
|
void InstrumentResourceManager::HandBackInstrument(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, |
470 |
|
::gig::DimensionRegion** dimRegionsInUse) { |
471 |
|
DimRegInfoMutex.Lock(); |
472 |
|
for (int i = 0 ; dimRegionsInUse[i] ; i++) { |
473 |
|
DimRegInfo[dimRegionsInUse[i]].refCount++; |
474 |
|
SampleRefCount[dimRegionsInUse[i]->pSample]++; |
475 |
|
} |
476 |
|
HandBack(pResource, pConsumer, true); |
477 |
|
DimRegInfoMutex.Unlock(); |
478 |
|
} |
479 |
|
|
480 |
|
/** |
481 |
|
* Give back a dimension region that belongs to an instrument that |
482 |
|
* was previously handed back. |
483 |
|
*/ |
484 |
|
void InstrumentResourceManager::HandBackDimReg(::gig::DimensionRegion* pDimReg) { |
485 |
|
DimRegInfoMutex.Lock(); |
486 |
|
dimreg_info_t& dimRegInfo = DimRegInfo[pDimReg]; |
487 |
|
int dimRegRefCount = --dimRegInfo.refCount; |
488 |
|
int sampleRefCount = --SampleRefCount[pDimReg->pSample]; |
489 |
|
if (dimRegRefCount == 0) { |
490 |
|
::gig::File* gig = dimRegInfo.file; |
491 |
|
::RIFF::File* riff = dimRegInfo.riff; |
492 |
|
DimRegInfo.erase(pDimReg); |
493 |
|
// TODO: we could delete Region and Instrument here if |
494 |
|
// they have become unused |
495 |
|
|
496 |
|
if (sampleRefCount == 0) { |
497 |
|
SampleRefCount.erase(pDimReg->pSample); |
498 |
|
|
499 |
|
if (gig) { |
500 |
|
gig->DeleteSample(pDimReg->pSample); |
501 |
|
if (!gig->GetFirstSample()) { |
502 |
|
dmsg(2,("No more samples in use - freeing gig\n")); |
503 |
|
delete gig; |
504 |
|
delete riff; |
505 |
|
} |
506 |
|
} |
507 |
|
} |
508 |
|
} |
509 |
|
DimRegInfoMutex.Unlock(); |
510 |
|
} |
511 |
|
|
512 |
|
/** |
513 |
|
* Just a wrapper around the other @c CacheInitialSamples() method. |
514 |
|
* |
515 |
|
* @param pSample - points to the sample to be cached |
516 |
|
* @param pEngine - pointer to Gig Engine Channel which caused this call |
517 |
|
* (may be NULL, in this case default amount of samples |
518 |
|
* will be cached) |
519 |
|
*/ |
520 |
|
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel) { |
521 |
|
gig::Engine* pEngine = |
522 |
|
(pEngineChannel && pEngineChannel->GetEngine()) ? |
523 |
|
dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine()) : NULL; |
524 |
|
CacheInitialSamples(pSample, pEngine); |
525 |
|
} |
526 |
|
|
527 |
|
/** |
528 |
* Caches a certain size at the beginning of the given sample in RAM. If the |
* Caches a certain size at the beginning of the given sample in RAM. If the |
529 |
* sample is very short, the whole sample will be loaded into RAM and thus |
* sample is very short, the whole sample will be loaded into RAM and thus |
530 |
* no disk streaming is needed for this sample. Caching an initial part of |
* no disk streaming is needed for this sample. Caching an initial part of |
531 |
* samples is needed to compensate disk reading latency. |
* samples is needed to compensate disk reading latency. |
532 |
* |
* |
533 |
* @param pSample - points to the sample to be cached |
* @param pSample - points to the sample to be cached |
534 |
* @param pEngineChannel - pointer to Gig Engine Channel which caused this call |
* @param pEngine - pointer to Gig Engine which caused this call |
535 |
|
* (may be NULL, in this case default amount of samples |
536 |
|
* will be cached) |
537 |
*/ |
*/ |
538 |
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel) { |
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::Engine* pEngine) { |
539 |
if (!pSample || pSample->GetCache().Size || !pSample->SamplesTotal) return; |
if (!pSample) { |
540 |
if (pSample->SamplesTotal <= NUM_RAM_PRELOAD_SAMPLES) { |
dmsg(4,("gig::InstrumentResourceManager: Skipping sample (pSample == NULL)\n")); |
541 |
|
return; |
542 |
|
} |
543 |
|
if (!pSample->SamplesTotal) return; // skip zero size samples |
544 |
|
|
545 |
|
if (pSample->SamplesTotal <= CONFIG_PRELOAD_SAMPLES) { |
546 |
// Sample is too short for disk streaming, so we load the whole |
// Sample is too short for disk streaming, so we load the whole |
547 |
// sample into RAM and place 'pAudioIO->FragmentSize << MAX_PITCH' |
// sample into RAM and place 'pAudioIO->FragmentSize << CONFIG_MAX_PITCH' |
548 |
// number of '0' samples (silence samples) behind the official buffer |
// number of '0' samples (silence samples) behind the official buffer |
549 |
// border, to allow the interpolator do it's work even at the end of |
// border, to allow the interpolator do it's work even at the end of |
550 |
// the sample. |
// the sample. |
|
dmsg(3,("Caching whole sample (sample name: \"%s\", sample size: %d)\n", pSample->pInfo->Name.c_str(), pSample->SamplesTotal)); |
|
551 |
const uint maxSamplesPerCycle = |
const uint maxSamplesPerCycle = |
552 |
(pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
(pEngine) ? pEngine->pAudioOutputDevice->MaxSamplesPerCycle() |
553 |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
554 |
const uint silenceSamples = (maxSamplesPerCycle << MAX_PITCH) + 3; |
const uint neededSilenceSamples = (maxSamplesPerCycle << CONFIG_MAX_PITCH) + 3; |
555 |
::gig::buffer_t buf = pSample->LoadSampleDataWithNullSamplesExtension(silenceSamples); |
const uint currentlyCachedSilenceSamples = pSample->GetCache().NullExtensionSize / pSample->FrameSize; |
556 |
dmsg(4,("Cached %d Bytes, %d silence bytes.\n", buf.Size, buf.NullExtensionSize)); |
if (currentlyCachedSilenceSamples < neededSilenceSamples) { |
557 |
|
dmsg(3,("Caching whole sample (sample name: \"%s\", sample size: %d)\n", pSample->pInfo->Name.c_str(), pSample->SamplesTotal)); |
558 |
|
::gig::buffer_t buf = pSample->LoadSampleDataWithNullSamplesExtension(neededSilenceSamples); |
559 |
|
dmsg(4,("Cached %d Bytes, %d silence bytes.\n", buf.Size, buf.NullExtensionSize)); |
560 |
|
} |
561 |
} |
} |
562 |
else { // we only cache NUM_RAM_PRELOAD_SAMPLES and stream the other sample points from disk |
else { // we only cache CONFIG_PRELOAD_SAMPLES and stream the other sample points from disk |
563 |
pSample->LoadSampleData(NUM_RAM_PRELOAD_SAMPLES); |
if (!pSample->GetCache().Size) pSample->LoadSampleData(CONFIG_PRELOAD_SAMPLES); |
564 |
} |
} |
565 |
|
|
566 |
if (!pSample->GetCache().Size) std::cerr << "Unable to cache sample - maybe memory full!" << std::endl << std::flush; |
if (!pSample->GetCache().Size) std::cerr << "Unable to cache sample - maybe memory full!" << std::endl << std::flush; |
567 |
} |
} |
568 |
|
|
569 |
|
void InstrumentResourceManager::UncacheInitialSamples(::gig::Sample* pSample) { |
570 |
|
dmsg(1,("Uncaching sample %x\n",pSample)); |
571 |
|
if (pSample->GetCache().Size) pSample->ReleaseSampleData(); |
572 |
|
} |
573 |
|
|
574 |
|
/** |
575 |
|
* Returns a list with all instruments currently in use, that are part of |
576 |
|
* the given file. |
577 |
|
* |
578 |
|
* @param pFile - search criteria |
579 |
|
* @param bLock - whether we should lock (mutex) the instrument manager |
580 |
|
* during this call and unlock at the end of this call |
581 |
|
*/ |
582 |
|
std::vector< ::gig::Instrument*> InstrumentResourceManager::GetInstrumentsCurrentlyUsedOf(::gig::File* pFile, bool bLock) { |
583 |
|
if (bLock) Lock(); |
584 |
|
std::vector< ::gig::Instrument*> result; |
585 |
|
std::vector< ::gig::Instrument*> allInstruments = Resources(false/*don't lock again*/); |
586 |
|
for (int i = 0; i < allInstruments.size(); i++) |
587 |
|
if ( |
588 |
|
(::gig::File*) allInstruments[i]->GetParent() |
589 |
|
== pFile |
590 |
|
) result.push_back(allInstruments[i]); |
591 |
|
if (bLock) Unlock(); |
592 |
|
return result; |
593 |
|
} |
594 |
|
|
595 |
|
/** |
596 |
|
* Returns a list with all gig Engines that are currently using the given |
597 |
|
* instrument. |
598 |
|
* |
599 |
|
* @param pInstrument - search criteria |
600 |
|
* @param bLock - whether we should lock (mutex) the instrument manager |
601 |
|
* during this call and unlock at the end of this call |
602 |
|
*/ |
603 |
|
std::set<gig::Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::Instrument* pInstrument, bool bLock) { |
604 |
|
if (bLock) Lock(); |
605 |
|
std::set<gig::Engine*> result; |
606 |
|
std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument); |
607 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin(); |
608 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end = consumers.end(); |
609 |
|
for (; iter != end; ++iter) { |
610 |
|
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter); |
611 |
|
if (!pEngineChannel) continue; |
612 |
|
gig::Engine* pEngine = dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine()); |
613 |
|
if (!pEngine) continue; |
614 |
|
result.insert(pEngine); |
615 |
|
} |
616 |
|
if (bLock) Unlock(); |
617 |
|
return result; |
618 |
|
} |
619 |
|
|
620 |
|
/** |
621 |
|
* Returns a list with all gig Engines that are currently using an |
622 |
|
* instrument that is part of the given instrument file. |
623 |
|
* |
624 |
|
* @param pFile - search criteria |
625 |
|
* @param bLock - whether we should lock (mutex) the instrument manager |
626 |
|
* during this call and unlock at the end of this call |
627 |
|
*/ |
628 |
|
std::set<gig::Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::File* pFile, bool bLock) { |
629 |
|
if (bLock) Lock(); |
630 |
|
// get all instruments (currently in usage) that use that same gig::File |
631 |
|
std::vector< ::gig::Instrument*> instrumentsOfInterest = |
632 |
|
GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/); |
633 |
|
|
634 |
|
// get all engines that use that same gig::File |
635 |
|
std::set<gig::Engine*> result; |
636 |
|
{ |
637 |
|
for (int i = 0; i < instrumentsOfInterest.size(); i++) { |
638 |
|
std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(instrumentsOfInterest[i]); |
639 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin(); |
640 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end = consumers.end(); |
641 |
|
for (; iter != end; ++iter) { |
642 |
|
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter); |
643 |
|
if (!pEngineChannel) continue; |
644 |
|
gig::Engine* pEngine = dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine()); |
645 |
|
if (!pEngine) continue; |
646 |
|
// the unique, sorted container std::set makes |
647 |
|
// sure we won't have duplicates |
648 |
|
result.insert(pEngine); |
649 |
|
} |
650 |
|
} |
651 |
|
} |
652 |
|
if (bLock) Unlock(); |
653 |
|
return result; |
654 |
|
} |
655 |
|
|
656 |
|
/** |
657 |
|
* Returns @c true in case the given sample is referenced somewhere by the |
658 |
|
* given instrument, @c false otherwise. |
659 |
|
* |
660 |
|
* @param pSample - sample reference |
661 |
|
* @param pInstrument - instrument that might use that sample |
662 |
|
*/ |
663 |
|
bool InstrumentResourceManager::SampleReferencedByInstrument(::gig::Sample* pSample, ::gig::Instrument* pInstrument) { |
664 |
|
for ( |
665 |
|
::gig::Region* pRegion = pInstrument->GetFirstRegion(); |
666 |
|
pRegion; pRegion = pInstrument->GetNextRegion() |
667 |
|
) { |
668 |
|
for ( |
669 |
|
int i = 0; i < pRegion->DimensionRegions && |
670 |
|
pRegion->pDimensionRegions[i]; i++ |
671 |
|
) { |
672 |
|
if (pRegion->pDimensionRegions[i]->pSample == pSample) |
673 |
|
return true; |
674 |
|
} |
675 |
|
} |
676 |
|
return false; |
677 |
|
} |
678 |
|
|
679 |
|
/** |
680 |
|
* Suspend all gig engines that use the given instrument. This means |
681 |
|
* completely stopping playback on those engines and killing all their |
682 |
|
* voices and disk streams. This method will block until all voices AND |
683 |
|
* their disk streams are finally deleted and the engine turned into a |
684 |
|
* complete idle loop. |
685 |
|
* |
686 |
|
* All @c SuspendEnginesUsing() methods only serve one thread by one and |
687 |
|
* block all other threads until the current active thread called |
688 |
|
* @c ResumeAllEngines() . |
689 |
|
* |
690 |
|
* @param pInstrument - search criteria |
691 |
|
*/ |
692 |
|
void InstrumentResourceManager::SuspendEnginesUsing(::gig::Instrument* pInstrument) { |
693 |
|
// make sure no other thread suspends whole engines at the same time |
694 |
|
suspendedEnginesMutex.Lock(); |
695 |
|
// get all engines that use that same gig::Instrument |
696 |
|
suspendedEngines = GetEnginesUsing(pInstrument, true/*lock*/); |
697 |
|
// finally, completely suspend all engines that use that same gig::Instrument |
698 |
|
std::set<gig::Engine*>::iterator iter = suspendedEngines.begin(); |
699 |
|
std::set<gig::Engine*>::iterator end = suspendedEngines.end(); |
700 |
|
for (; iter != end; ++iter) (*iter)->SuspendAll(); |
701 |
|
} |
702 |
|
|
703 |
|
/** |
704 |
|
* Suspend all gig engines that use the given instrument file. This means |
705 |
|
* completely stopping playback on those engines and killing all their |
706 |
|
* voices and disk streams. This method will block until all voices AND |
707 |
|
* their disk streams are finally deleted and the engine turned into a |
708 |
|
* complete idle loop. |
709 |
|
* |
710 |
|
* All @c SuspendEnginesUsing() methods only serve one thread by one and |
711 |
|
* block all other threads until the current active thread called |
712 |
|
* @c ResumeAllEngines() . |
713 |
|
* |
714 |
|
* @param pFile - search criteria |
715 |
|
*/ |
716 |
|
void InstrumentResourceManager::SuspendEnginesUsing(::gig::File* pFile) { |
717 |
|
// make sure no other thread suspends whole engines at the same time |
718 |
|
suspendedEnginesMutex.Lock(); |
719 |
|
// get all engines that use that same gig::File |
720 |
|
suspendedEngines = GetEnginesUsing(pFile, true/*lock*/); |
721 |
|
// finally, completely suspend all engines that use that same gig::File |
722 |
|
std::set<gig::Engine*>::iterator iter = suspendedEngines.begin(); |
723 |
|
std::set<gig::Engine*>::iterator end = suspendedEngines.end(); |
724 |
|
for (; iter != end; ++iter) (*iter)->SuspendAll(); |
725 |
|
} |
726 |
|
|
727 |
|
/** |
728 |
|
* MUST be called after one called one of the @c SuspendEnginesUsing() |
729 |
|
* methods, to resume normal playback on all previously suspended engines. |
730 |
|
* As it's only possible for one thread to suspend whole engines at the |
731 |
|
* same time, this method doesn't take any arguments. |
732 |
|
*/ |
733 |
|
void InstrumentResourceManager::ResumeAllEngines() { |
734 |
|
// resume all previously completely suspended engines |
735 |
|
std::set<Engine*>::iterator iter = suspendedEngines.begin(); |
736 |
|
std::set<Engine*>::iterator end = suspendedEngines.end(); |
737 |
|
for (; iter != end; ++iter) (*iter)->ResumeAll(); |
738 |
|
// no more suspended engines ... |
739 |
|
suspendedEngines.clear(); |
740 |
|
// allow another thread to suspend whole engines |
741 |
|
suspendedEnginesMutex.Unlock(); |
742 |
|
} |
743 |
|
|
744 |
|
|
745 |
|
|
746 |
// internal gig file manager |
// internal gig file manager |
756 |
|
|
757 |
void InstrumentResourceManager::GigResourceManager::Destroy(::gig::File* pResource, void* pArg) { |
void InstrumentResourceManager::GigResourceManager::Destroy(::gig::File* pResource, void* pArg) { |
758 |
dmsg(1,("Freeing gig file from memory...")); |
dmsg(1,("Freeing gig file from memory...")); |
759 |
delete pResource; |
|
760 |
delete (::RIFF::File*) pArg; |
// Delete as much as possible of the gig file. Some of the |
761 |
|
// dimension regions and samples may still be in use - these |
762 |
|
// will be deleted later by the HandBackDimReg function. |
763 |
|
bool deleteFile = true; |
764 |
|
::gig::Instrument* nextInstrument; |
765 |
|
for (::gig::Instrument* instrument = pResource->GetFirstInstrument() ; |
766 |
|
instrument ; |
767 |
|
instrument = nextInstrument) { |
768 |
|
nextInstrument = pResource->GetNextInstrument(); |
769 |
|
bool deleteInstrument = true; |
770 |
|
::gig::Region* nextRegion; |
771 |
|
for (::gig::Region *region = instrument->GetFirstRegion() ; |
772 |
|
region ; |
773 |
|
region = nextRegion) { |
774 |
|
nextRegion = instrument->GetNextRegion(); |
775 |
|
bool deleteRegion = true; |
776 |
|
for (int i = 0 ; i < region->DimensionRegions ; i++) |
777 |
|
{ |
778 |
|
::gig::DimensionRegion *d = region->pDimensionRegions[i]; |
779 |
|
std::map< ::gig::DimensionRegion*, dimreg_info_t>::iterator iter = parent->DimRegInfo.find(d); |
780 |
|
if (iter != parent->DimRegInfo.end()) { |
781 |
|
dimreg_info_t& dimRegInfo = (*iter).second; |
782 |
|
dimRegInfo.file = pResource; |
783 |
|
dimRegInfo.riff = (::RIFF::File*)pArg; |
784 |
|
deleteFile = deleteInstrument = deleteRegion = false; |
785 |
|
} |
786 |
|
} |
787 |
|
if (deleteRegion) instrument->DeleteRegion(region); |
788 |
|
} |
789 |
|
if (deleteInstrument) pResource->DeleteInstrument(instrument); |
790 |
|
} |
791 |
|
if (deleteFile) { |
792 |
|
delete pResource; |
793 |
|
delete (::RIFF::File*) pArg; |
794 |
|
} else { |
795 |
|
dmsg(2,("keeping some samples that are in use...")); |
796 |
|
::gig::Sample* nextSample; |
797 |
|
for (::gig::Sample* sample = pResource->GetFirstSample() ; |
798 |
|
sample ; |
799 |
|
sample = nextSample) { |
800 |
|
nextSample = pResource->GetNextSample(); |
801 |
|
if (parent->SampleRefCount.find(sample) == parent->SampleRefCount.end()) { |
802 |
|
pResource->DeleteSample(sample); |
803 |
|
} |
804 |
|
} |
805 |
|
} |
806 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
807 |
} |
} |
808 |
|
|