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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, 2006 Christian Schoenebeck * |
* Copyright (C) 2005 - 2008 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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InstrumentManager::instrument_id_t* pInstrumentKey; |
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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// the instrument editor we work on behalf |
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InstrumentEditor* pEditor; |
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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 |
* 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 |
* instruments to inform about the current progress. Or to be more |
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return res; |
return res; |
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} |
} |
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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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Lock(); |
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::gig::Instrument* pInstrument = Resource(ID, false); |
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bool loaded = (pInstrument != NULL); |
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if (!loaded) Unlock(); |
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|
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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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if(!loaded) { |
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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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pInstrument = gig->GetInstrument(ID.Index); |
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} |
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if (!pInstrument) throw InstrumentManagerException("There is no instrument " + ToString(ID.Index) + " in " + ID.FileName); |
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|
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instrument_info_t info; |
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for (int i = 0; i < 128; i++) { info.KeyBindings[i] = info.KeySwitchBindings[i] = 0; } |
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|
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::gig::File* pFile = (::gig::File*) pInstrument->GetParent(); |
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|
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if (pFile->pVersion) { |
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info.FormatVersion = ToString(pFile->pVersion->major); |
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info.Product = pFile->pInfo->Product; |
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info.Artists = pFile->pInfo->Artists; |
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} |
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info.InstrumentName = pInstrument->pInfo->Name; |
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::gig::Region* pRegion = pInstrument->GetFirstRegion(); |
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while (pRegion) { |
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int low = pRegion->KeyRange.low; |
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int high = pRegion->KeyRange.high; |
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if (low < 0 || low > 127 || high < 0 || high > 127 || low > high) { |
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std::cerr << "Invalid key range: " << low << " - " << high << std::endl; |
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} else { |
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for (int i = low; i <= high; i++) info.KeyBindings[i] = 1; |
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} |
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pRegion = pInstrument->GetNextRegion(); |
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} |
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if (loaded) { // retrieve keyswitching only if the instrument is fully loaded. |
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|
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// only return keyswitch range if keyswitching is used |
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bool hasKeyswitches = false; |
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for (::gig::Region* pRegion = pInstrument->GetFirstRegion() ; |
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pRegion && !hasKeyswitches ; |
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pRegion = pInstrument->GetNextRegion()) { |
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for (int i = 0 ; i < pRegion->Dimensions ; i++) { |
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if (pRegion->pDimensionDefinitions[i].dimension == ::gig::dimension_keyboard) { |
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hasKeyswitches = true; |
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break; |
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} |
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} |
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} |
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if (hasKeyswitches) { |
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int low = pInstrument->DimensionKeyRange.low; |
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int high = pInstrument->DimensionKeyRange.high; |
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if (low < 0 || low > 127 || high < 0 || high > 127 || low > high) { |
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std::cerr << "Invalid keyswitch range: " << low << " - " << high << std::endl; |
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} else { |
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for (int i = low; i <= high; i++) info.KeySwitchBindings[i] = 1; |
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} |
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} |
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} |
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if (loaded) Unlock(); |
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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 (loaded) Unlock(); |
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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 (loaded) Unlock(); |
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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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pProxy->pEditor = pEditor; |
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InstrumentEditorProxiesMutex.Lock(); |
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InstrumentEditorProxies.add(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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// register the instrument editor as virtual MIDI device as well ... |
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VirtualMidiDevice* pVirtualMidiDevice = |
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dynamic_cast<VirtualMidiDevice*>(pEditor); |
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if (!pVirtualMidiDevice) { |
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std::cerr << "Instrument editor not a virtual MIDI device\n" << std::flush; |
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return; |
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} |
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// NOTE: for now connect the virtual MIDI keyboard of the instrument editor (if any) with all engine channels that have the same instrument as the editor was opened for ( other ideas ? ) |
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Lock(); |
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std::set<gig::EngineChannel*> engineChannels = |
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GetEngineChannelsUsing(pInstrument, false/*don't lock again*/); |
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std::set<gig::EngineChannel*>::iterator iter = engineChannels.begin(); |
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std::set<gig::EngineChannel*>::iterator end = engineChannels.end(); |
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for (; iter != end; ++iter) (*iter)->Connect(pVirtualMidiDevice); |
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Unlock(); |
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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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::gig::Instrument* pInstrument = NULL; |
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InstrumentEditorProxy* pProxy = NULL; |
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int iProxyIndex = -1; |
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// first find the editor proxy entry for this editor |
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InstrumentEditorProxiesMutex.Lock(); |
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for (int i = 0; i < InstrumentEditorProxies.size(); i++) { |
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InstrumentEditorProxy* pCurProxy = |
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dynamic_cast<InstrumentEditorProxy*>( |
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InstrumentEditorProxies[i] |
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); |
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if (pCurProxy->pEditor == pSender) { |
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pProxy = pCurProxy; |
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iProxyIndex = i; |
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pInstrument = pCurProxy->pInstrument; |
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} |
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} |
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InstrumentEditorProxiesMutex.Unlock(); |
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|
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if (!pProxy) { |
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std::cerr << "Eeeek, could not find instrument editor proxy, " |
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"this is a bug!\n" << std::flush; |
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return; |
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} |
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// now unregister editor as not being available as a virtual MIDI device anymore |
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VirtualMidiDevice* pVirtualMidiDevice = |
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dynamic_cast<VirtualMidiDevice*>(pSender); |
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if (pVirtualMidiDevice) { |
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Lock(); |
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// NOTE: see note in LaunchInstrumentEditor() |
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std::set<gig::EngineChannel*> engineChannels = |
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GetEngineChannelsUsing(pInstrument, false/*don't lock again*/); |
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std::set<gig::EngineChannel*>::iterator iter = engineChannels.begin(); |
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std::set<gig::EngineChannel*>::iterator end = engineChannels.end(); |
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for (; iter != end; ++iter) (*iter)->Disconnect(pVirtualMidiDevice); |
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Unlock(); |
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} else { |
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std::cerr << "Could not unregister editor as not longer acting as " |
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"virtual MIDI device. Wasn't it registered?\n" |
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<< std::flush; |
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} |
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// finally delete proxy entry and hand back instrument |
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if (pInstrument) { |
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InstrumentEditorProxiesMutex.Lock(); |
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InstrumentEditorProxies.remove(iProxyIndex); |
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InstrumentEditorProxiesMutex.Unlock(); |
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HandBack(pInstrument, pProxy); |
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delete pProxy; |
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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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|
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#if 0 // currently unused : |
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/** |
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* Try to inform the respective instrument editor(s), that a note on |
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* event just occured. This method is called by the MIDI thread. If any |
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* obstacles are in the way (e.g. if a wait for an unlock would be |
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* required) we give up immediately, since the RT safeness of the MIDI |
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* thread has absolute priority. |
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*/ |
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void InstrumentResourceManager::TrySendNoteOnToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument) { |
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const bool bGotLock = InstrumentEditorProxiesMutex.Trylock(); // naively assumes RT safe implementation |
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if (!bGotLock) return; // hell, forget it, not worth the hassle |
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for (int i = 0; i < InstrumentEditorProxies.size(); i++) { |
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InstrumentEditorProxy* pProxy = |
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dynamic_cast<InstrumentEditorProxy*>( |
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InstrumentEditorProxies[i] |
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); |
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if (pProxy->pInstrument == pInstrument) |
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pProxy->pEditor->SendNoteOnToDevice(Key, Velocity); |
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} |
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InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation |
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} |
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|
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/** |
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* Try to inform the respective instrument editor(s), that a note off |
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* event just occured. This method is called by the MIDI thread. If any |
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* obstacles are in the way (e.g. if a wait for an unlock would be |
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* required) we give up immediately, since the RT safeness of the MIDI |
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* thread has absolute priority. |
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*/ |
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void InstrumentResourceManager::TrySendNoteOffToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument) { |
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const bool bGotLock = InstrumentEditorProxiesMutex.Trylock(); // naively assumes RT safe implementation |
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if (!bGotLock) return; // hell, forget it, not worth the hassle |
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for (int i = 0; i < InstrumentEditorProxies.size(); i++) { |
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InstrumentEditorProxy* pProxy = |
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dynamic_cast<InstrumentEditorProxy*>( |
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InstrumentEditorProxies[i] |
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); |
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if (pProxy->pInstrument == pInstrument) |
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pProxy->pEditor->SendNoteOffToDevice(Key, Velocity); |
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} |
390 |
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InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation |
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} |
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#endif // unused |
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|
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void InstrumentResourceManager::OnSamplesToBeRemoved(std::set<void*> Samples, InstrumentEditor* pSender) { |
395 |
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if (Samples.empty()) { |
396 |
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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; |
400 |
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} |
401 |
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// TODO: ATM we assume here that all samples are from the same file |
402 |
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::gig::Sample* pFirstSample = (::gig::Sample*) *Samples.begin(); |
403 |
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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 |
405 |
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SuspendEnginesUsing(pCriticalFile); |
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} |
407 |
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|
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void InstrumentResourceManager::OnSamplesRemoved(InstrumentEditor* pSender) { |
409 |
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// resume all previously, completely suspended engines |
410 |
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// (we don't have to un-cache the removed samples here, since that is |
411 |
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// automatically done by the gig::Sample destructor) |
412 |
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ResumeAllEngines(); |
413 |
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} |
414 |
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|
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void InstrumentResourceManager::OnDataStructureToBeChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) { |
416 |
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//TODO: remove code duplication |
417 |
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if (sStructType == "gig::File") { |
418 |
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// completely suspend all engines that use that file |
419 |
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::gig::File* pFile = (::gig::File*) pStruct; |
420 |
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SuspendEnginesUsing(pFile); |
421 |
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} else if (sStructType == "gig::Instrument") { |
422 |
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// completely suspend all engines that use that instrument |
423 |
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::gig::Instrument* pInstrument = (::gig::Instrument*) pStruct; |
424 |
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SuspendEnginesUsing(pInstrument); |
425 |
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} else if (sStructType == "gig::Region") { |
426 |
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// only advice the engines to suspend the given region, so they'll |
427 |
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// only ignore that region (and probably already other suspended |
428 |
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// ones), but beside that continue normal playback |
429 |
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::gig::Region* pRegion = (::gig::Region*) pStruct; |
430 |
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::gig::Instrument* pInstrument = |
431 |
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(::gig::Instrument*) pRegion->GetParent(); |
432 |
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Lock(); |
433 |
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std::set<gig::Engine*> engines = |
434 |
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GetEnginesUsing(pInstrument, false/*don't lock again*/); |
435 |
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std::set<gig::Engine*>::iterator iter = engines.begin(); |
436 |
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std::set<gig::Engine*>::iterator end = engines.end(); |
437 |
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for (; iter != end; ++iter) (*iter)->Suspend(pRegion); |
438 |
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Unlock(); |
439 |
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} else if (sStructType == "gig::DimensionRegion") { |
440 |
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// only advice the engines to suspend the given DimensionRegions's |
441 |
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// parent region, so they'll only ignore that region (and probably |
442 |
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// already other suspended ones), but beside that continue normal |
443 |
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// playback |
444 |
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::gig::DimensionRegion* pDimReg = |
445 |
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(::gig::DimensionRegion*) pStruct; |
446 |
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::gig::Region* pRegion = pDimReg->GetParent(); |
447 |
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::gig::Instrument* pInstrument = |
448 |
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(::gig::Instrument*) pRegion->GetParent(); |
449 |
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Lock(); |
450 |
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std::set<gig::Engine*> engines = |
451 |
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GetEnginesUsing(pInstrument, false/*don't lock again*/); |
452 |
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std::set<gig::Engine*>::iterator iter = engines.begin(); |
453 |
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std::set<gig::Engine*>::iterator end = engines.end(); |
454 |
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for (; iter != end; ++iter) (*iter)->Suspend(pRegion); |
455 |
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Unlock(); |
456 |
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} else { |
457 |
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std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data " |
458 |
|
"structure '" << sStructType << "' requested to be " |
459 |
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"suspended by instrument editor. This is a bug!\n" |
460 |
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<< std::flush; |
461 |
|
//TODO: we should inform the instrument editor that something seriously went wrong |
462 |
|
} |
463 |
|
} |
464 |
|
|
465 |
|
void InstrumentResourceManager::OnDataStructureChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) { |
466 |
|
//TODO: remove code duplication |
467 |
|
if (sStructType == "gig::File") { |
468 |
|
// resume all previously suspended engines |
469 |
|
ResumeAllEngines(); |
470 |
|
} else if (sStructType == "gig::Instrument") { |
471 |
|
// resume all previously suspended engines |
472 |
|
ResumeAllEngines(); |
473 |
|
} else if (sStructType == "gig::Region") { |
474 |
|
// advice the engines to resume the given region, that is to |
475 |
|
// using it for playback again |
476 |
|
::gig::Region* pRegion = (::gig::Region*) pStruct; |
477 |
|
::gig::Instrument* pInstrument = |
478 |
|
(::gig::Instrument*) pRegion->GetParent(); |
479 |
|
Lock(); |
480 |
|
std::set<gig::Engine*> engines = |
481 |
|
GetEnginesUsing(pInstrument, false/*don't lock again*/); |
482 |
|
std::set<gig::Engine*>::iterator iter = engines.begin(); |
483 |
|
std::set<gig::Engine*>::iterator end = engines.end(); |
484 |
|
for (; iter != end; ++iter) (*iter)->Resume(pRegion); |
485 |
|
Unlock(); |
486 |
|
} else if (sStructType == "gig::DimensionRegion") { |
487 |
|
// advice the engines to resume the given DimensionRegion's parent |
488 |
|
// region, that is to using it for playback again |
489 |
|
::gig::DimensionRegion* pDimReg = |
490 |
|
(::gig::DimensionRegion*) pStruct; |
491 |
|
::gig::Region* pRegion = pDimReg->GetParent(); |
492 |
|
::gig::Instrument* pInstrument = |
493 |
|
(::gig::Instrument*) pRegion->GetParent(); |
494 |
|
Lock(); |
495 |
|
std::set<gig::Engine*> engines = |
496 |
|
GetEnginesUsing(pInstrument, false/*don't lock again*/); |
497 |
|
std::set<gig::Engine*>::iterator iter = engines.begin(); |
498 |
|
std::set<gig::Engine*>::iterator end = engines.end(); |
499 |
|
for (; iter != end; ++iter) (*iter)->Resume(pRegion); |
500 |
|
Unlock(); |
501 |
|
} else { |
502 |
|
std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data " |
503 |
|
"structure '" << sStructType << "' requested to be " |
504 |
|
"resumed by instrument editor. This is a bug!\n" |
505 |
|
<< std::flush; |
506 |
|
//TODO: we should inform the instrument editor that something seriously went wrong |
507 |
|
} |
508 |
|
} |
509 |
|
|
510 |
|
void InstrumentResourceManager::OnSampleReferenceChanged(void* pOldSample, void* pNewSample, InstrumentEditor* pSender) { |
511 |
|
// uncache old sample in case it's not used by anybody anymore |
512 |
|
if (pOldSample) { |
513 |
|
Lock(); |
514 |
|
::gig::Sample* pSample = (::gig::Sample*) pOldSample; |
515 |
|
::gig::File* pFile = (::gig::File*) pSample->GetParent(); |
516 |
|
std::vector< ::gig::Instrument*> instruments = |
517 |
|
GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/); |
518 |
|
for (int i = 0; i < instruments.size(); i++) |
519 |
|
if (!SampleReferencedByInstrument(pSample, instruments[i])) |
520 |
|
UncacheInitialSamples(pSample); |
521 |
|
Unlock(); |
522 |
|
} |
523 |
|
// make sure new sample reference is cached |
524 |
|
if (pNewSample) { |
525 |
|
Lock(); |
526 |
|
::gig::Sample* pSample = (::gig::Sample*) pNewSample; |
527 |
|
::gig::File* pFile = (::gig::File*) pSample->GetParent(); |
528 |
|
// get all engines that use that same gig::File |
529 |
|
std::set<gig::Engine*> engines = GetEnginesUsing(pFile, false/*don't lock again*/); |
530 |
|
std::set<gig::Engine*>::iterator iter = engines.begin(); |
531 |
|
std::set<gig::Engine*>::iterator end = engines.end(); |
532 |
|
for (; iter != end; ++iter) |
533 |
|
CacheInitialSamples(pSample, *iter); |
534 |
|
Unlock(); |
535 |
|
} |
536 |
|
} |
537 |
|
|
538 |
::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) { |
::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) { |
539 |
// get gig file from inernal gig file manager |
// get gig file from internal gig file manager |
540 |
::gig::File* pGig = Gigs.Borrow(Key.FileName, (GigConsumer*) Key.Index); // conversion kinda hackish :/ |
::gig::File* pGig = Gigs.Borrow(Key.FileName, (GigConsumer*) Key.Index); // conversion kinda hackish :/ |
541 |
|
|
542 |
// we pass this to the progress callback mechanism of libgig |
// we pass this to the progress callback mechanism of libgig |
553 |
if (!pInstrument) { |
if (!pInstrument) { |
554 |
std::stringstream msg; |
std::stringstream msg; |
555 |
msg << "There's no instrument with index " << Key.Index << "."; |
msg << "There's no instrument with index " << Key.Index << "."; |
556 |
throw InstrumentResourceManagerException(msg.str()); |
throw InstrumentManagerException(msg.str()); |
557 |
} |
} |
558 |
pGig->GetFirstSample(); // just to force complete instrument loading |
pGig->GetFirstSample(); // just to force complete instrument loading |
559 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
587 |
pEntry->ID.Index = Key.Index; |
pEntry->ID.Index = Key.Index; |
588 |
pEntry->pGig = pGig; |
pEntry->pGig = pGig; |
589 |
|
|
590 |
gig::EngineChannel* pEngineChannel = (gig::EngineChannel*) pConsumer; |
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer); |
591 |
// 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' |
592 |
pEntry->MaxSamplesPerCycle = |
pEntry->MaxSamplesPerCycle = |
593 |
(pEngineChannel && pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
(!pEngineChannel) ? 0 /* don't care for instrument editors */ : |
594 |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
(pEngineChannel->GetEngine()) ? |
595 |
|
dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
596 |
|
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
597 |
pArg = pEntry; |
pArg = pEntry; |
598 |
|
|
599 |
return pInstrument; |
return pInstrument; |
610 |
instr_entry_t* pEntry = (instr_entry_t*) pArg; |
instr_entry_t* pEntry = (instr_entry_t*) pArg; |
611 |
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer); |
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer); |
612 |
uint maxSamplesPerCycle = |
uint maxSamplesPerCycle = |
613 |
(pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
(pEngineChannel && pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
614 |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
615 |
if (pEntry->MaxSamplesPerCycle < maxSamplesPerCycle) { |
if (pEntry->MaxSamplesPerCycle < maxSamplesPerCycle) { |
616 |
Update(pResource, pConsumer); |
Update(pResource, pConsumer); |
621 |
* Give back an instrument. This should be used instead of |
* Give back an instrument. This should be used instead of |
622 |
* HandBack if there are some dimension regions that are still in |
* HandBack if there are some dimension regions that are still in |
623 |
* use. (When an instrument is changed, the voices currently |
* use. (When an instrument is changed, the voices currently |
624 |
* playing is allowed to keep playing with the old instrument |
* playing are allowed to keep playing with the old instrument |
625 |
* until note off arrives. New notes will use the new instrument.) |
* until note off arrives. New notes will use the new instrument.) |
626 |
*/ |
*/ |
627 |
void InstrumentResourceManager::HandBackInstrument(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, |
void InstrumentResourceManager::HandBackInstrument(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, |
628 |
::gig::DimensionRegion** dimRegionsInUse) { |
RTList< ::gig::DimensionRegion*>* pDimRegionsInUse) { |
629 |
DimRegInfoMutex.Lock(); |
DimRegInfoMutex.Lock(); |
630 |
for (int i = 0 ; dimRegionsInUse[i] ; i++) { |
for (RTList< ::gig::DimensionRegion*>::Iterator i = pDimRegionsInUse->first() ; i != pDimRegionsInUse->end() ; i++) { |
631 |
DimRegInfo[dimRegionsInUse[i]].refCount++; |
DimRegInfo[*i].refCount++; |
632 |
SampleRefCount[dimRegionsInUse[i]->pSample]++; |
SampleRefCount[(*i)->pSample]++; |
633 |
} |
} |
634 |
HandBack(pResource, pConsumer, true); |
HandBack(pResource, pConsumer, true); |
635 |
DimRegInfoMutex.Unlock(); |
DimRegInfoMutex.Unlock(); |
668 |
} |
} |
669 |
|
|
670 |
/** |
/** |
671 |
|
* Just a wrapper around the other @c CacheInitialSamples() method. |
672 |
|
* |
673 |
|
* @param pSample - points to the sample to be cached |
674 |
|
* @param pEngine - pointer to Gig Engine Channel which caused this call |
675 |
|
* (may be NULL, in this case default amount of samples |
676 |
|
* will be cached) |
677 |
|
*/ |
678 |
|
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel) { |
679 |
|
gig::Engine* pEngine = |
680 |
|
(pEngineChannel && pEngineChannel->GetEngine()) ? |
681 |
|
dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine()) : NULL; |
682 |
|
CacheInitialSamples(pSample, pEngine); |
683 |
|
} |
684 |
|
|
685 |
|
/** |
686 |
* 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 |
687 |
* 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 |
688 |
* 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 |
689 |
* samples is needed to compensate disk reading latency. |
* samples is needed to compensate disk reading latency. |
690 |
* |
* |
691 |
* @param pSample - points to the sample to be cached |
* @param pSample - points to the sample to be cached |
692 |
* @param pEngineChannel - pointer to Gig Engine Channel which caused this call |
* @param pEngine - pointer to Gig Engine which caused this call |
693 |
|
* (may be NULL, in this case default amount of samples |
694 |
|
* will be cached) |
695 |
*/ |
*/ |
696 |
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel) { |
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::Engine* pEngine) { |
697 |
if (!pSample) { |
if (!pSample) { |
698 |
dmsg(4,("gig::InstrumentResourceManager: Skipping sample (pSample == NULL)\n")); |
dmsg(4,("gig::InstrumentResourceManager: Skipping sample (pSample == NULL)\n")); |
699 |
return; |
return; |
707 |
// 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 |
708 |
// the sample. |
// the sample. |
709 |
const uint maxSamplesPerCycle = |
const uint maxSamplesPerCycle = |
710 |
(pEngineChannel && pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle() |
(pEngine) ? pEngine->pAudioOutputDevice->MaxSamplesPerCycle() |
711 |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
: GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE; |
712 |
const uint neededSilenceSamples = (maxSamplesPerCycle << CONFIG_MAX_PITCH) + 3; |
const uint neededSilenceSamples = (maxSamplesPerCycle << CONFIG_MAX_PITCH) + 3; |
713 |
const uint currentlyCachedSilenceSamples = pSample->GetCache().NullExtensionSize / pSample->FrameSize; |
const uint currentlyCachedSilenceSamples = pSample->GetCache().NullExtensionSize / pSample->FrameSize; |
714 |
if (currentlyCachedSilenceSamples < neededSilenceSamples) { |
if (currentlyCachedSilenceSamples < neededSilenceSamples) { |
724 |
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; |
725 |
} |
} |
726 |
|
|
727 |
|
void InstrumentResourceManager::UncacheInitialSamples(::gig::Sample* pSample) { |
728 |
|
dmsg(1,("Uncaching sample %x\n",pSample)); |
729 |
|
if (pSample->GetCache().Size) pSample->ReleaseSampleData(); |
730 |
|
} |
731 |
|
|
732 |
|
/** |
733 |
|
* Returns a list with all instruments currently in use, that are part of |
734 |
|
* the given file. |
735 |
|
* |
736 |
|
* @param pFile - search criteria |
737 |
|
* @param bLock - whether we should lock (mutex) the instrument manager |
738 |
|
* during this call and unlock at the end of this call |
739 |
|
*/ |
740 |
|
std::vector< ::gig::Instrument*> InstrumentResourceManager::GetInstrumentsCurrentlyUsedOf(::gig::File* pFile, bool bLock) { |
741 |
|
if (bLock) Lock(); |
742 |
|
std::vector< ::gig::Instrument*> result; |
743 |
|
std::vector< ::gig::Instrument*> allInstruments = Resources(false/*don't lock again*/); |
744 |
|
for (int i = 0; i < allInstruments.size(); i++) |
745 |
|
if ( |
746 |
|
(::gig::File*) allInstruments[i]->GetParent() |
747 |
|
== pFile |
748 |
|
) result.push_back(allInstruments[i]); |
749 |
|
if (bLock) Unlock(); |
750 |
|
return result; |
751 |
|
} |
752 |
|
|
753 |
|
/** |
754 |
|
* Returns a list with all gig engine channels that are currently using |
755 |
|
* the given instrument. |
756 |
|
* |
757 |
|
* @param pInstrument - search criteria |
758 |
|
* @param bLock - whether we should lock (mutex) the instrument manager |
759 |
|
* during this call and unlock at the end of this call |
760 |
|
*/ |
761 |
|
std::set<gig::EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsing(::gig::Instrument* pInstrument, bool bLock) { |
762 |
|
if (bLock) Lock(); |
763 |
|
std::set<gig::EngineChannel*> result; |
764 |
|
std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument); |
765 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin(); |
766 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end = consumers.end(); |
767 |
|
for (; iter != end; ++iter) { |
768 |
|
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter); |
769 |
|
if (!pEngineChannel) continue; |
770 |
|
result.insert(pEngineChannel); |
771 |
|
} |
772 |
|
if (bLock) Unlock(); |
773 |
|
return result; |
774 |
|
} |
775 |
|
|
776 |
|
/** |
777 |
|
* Returns a list with all gig Engines that are currently using the given |
778 |
|
* instrument. |
779 |
|
* |
780 |
|
* @param pInstrument - search criteria |
781 |
|
* @param bLock - whether we should lock (mutex) the instrument manager |
782 |
|
* during this call and unlock at the end of this call |
783 |
|
*/ |
784 |
|
std::set<gig::Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::Instrument* pInstrument, bool bLock) { |
785 |
|
if (bLock) Lock(); |
786 |
|
std::set<gig::Engine*> result; |
787 |
|
std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument); |
788 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin(); |
789 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end = consumers.end(); |
790 |
|
for (; iter != end; ++iter) { |
791 |
|
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter); |
792 |
|
if (!pEngineChannel) continue; |
793 |
|
gig::Engine* pEngine = dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine()); |
794 |
|
if (!pEngine) continue; |
795 |
|
result.insert(pEngine); |
796 |
|
} |
797 |
|
if (bLock) Unlock(); |
798 |
|
return result; |
799 |
|
} |
800 |
|
|
801 |
|
/** |
802 |
|
* Returns a list with all gig Engines that are currently using an |
803 |
|
* instrument that is part of the given instrument file. |
804 |
|
* |
805 |
|
* @param pFile - search criteria |
806 |
|
* @param bLock - whether we should lock (mutex) the instrument manager |
807 |
|
* during this call and unlock at the end of this call |
808 |
|
*/ |
809 |
|
std::set<gig::Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::File* pFile, bool bLock) { |
810 |
|
if (bLock) Lock(); |
811 |
|
// get all instruments (currently in usage) that use that same gig::File |
812 |
|
std::vector< ::gig::Instrument*> instrumentsOfInterest = |
813 |
|
GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/); |
814 |
|
|
815 |
|
// get all engines that use that same gig::File |
816 |
|
std::set<gig::Engine*> result; |
817 |
|
{ |
818 |
|
for (int i = 0; i < instrumentsOfInterest.size(); i++) { |
819 |
|
std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(instrumentsOfInterest[i]); |
820 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin(); |
821 |
|
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end = consumers.end(); |
822 |
|
for (; iter != end; ++iter) { |
823 |
|
gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter); |
824 |
|
if (!pEngineChannel) continue; |
825 |
|
gig::Engine* pEngine = dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine()); |
826 |
|
if (!pEngine) continue; |
827 |
|
// the unique, sorted container std::set makes |
828 |
|
// sure we won't have duplicates |
829 |
|
result.insert(pEngine); |
830 |
|
} |
831 |
|
} |
832 |
|
} |
833 |
|
if (bLock) Unlock(); |
834 |
|
return result; |
835 |
|
} |
836 |
|
|
837 |
|
/** |
838 |
|
* Returns @c true in case the given sample is referenced somewhere by the |
839 |
|
* given instrument, @c false otherwise. |
840 |
|
* |
841 |
|
* @param pSample - sample reference |
842 |
|
* @param pInstrument - instrument that might use that sample |
843 |
|
*/ |
844 |
|
bool InstrumentResourceManager::SampleReferencedByInstrument(::gig::Sample* pSample, ::gig::Instrument* pInstrument) { |
845 |
|
for ( |
846 |
|
::gig::Region* pRegion = pInstrument->GetFirstRegion(); |
847 |
|
pRegion; pRegion = pInstrument->GetNextRegion() |
848 |
|
) { |
849 |
|
for ( |
850 |
|
int i = 0; i < pRegion->DimensionRegions && |
851 |
|
pRegion->pDimensionRegions[i]; i++ |
852 |
|
) { |
853 |
|
if (pRegion->pDimensionRegions[i]->pSample == pSample) |
854 |
|
return true; |
855 |
|
} |
856 |
|
} |
857 |
|
return false; |
858 |
|
} |
859 |
|
|
860 |
|
/** |
861 |
|
* Suspend all gig engines that use the given instrument. This means |
862 |
|
* completely stopping playback on those engines and killing all their |
863 |
|
* voices and disk streams. This method will block until all voices AND |
864 |
|
* their disk streams are finally deleted and the engine turned into a |
865 |
|
* complete idle loop. |
866 |
|
* |
867 |
|
* All @c SuspendEnginesUsing() methods only serve one thread by one and |
868 |
|
* block all other threads until the current active thread called |
869 |
|
* @c ResumeAllEngines() . |
870 |
|
* |
871 |
|
* @param pInstrument - search criteria |
872 |
|
*/ |
873 |
|
void InstrumentResourceManager::SuspendEnginesUsing(::gig::Instrument* pInstrument) { |
874 |
|
// make sure no other thread suspends whole engines at the same time |
875 |
|
suspendedEnginesMutex.Lock(); |
876 |
|
// get all engines that use that same gig::Instrument |
877 |
|
suspendedEngines = GetEnginesUsing(pInstrument, true/*lock*/); |
878 |
|
// finally, completely suspend all engines that use that same gig::Instrument |
879 |
|
std::set<gig::Engine*>::iterator iter = suspendedEngines.begin(); |
880 |
|
std::set<gig::Engine*>::iterator end = suspendedEngines.end(); |
881 |
|
for (; iter != end; ++iter) (*iter)->SuspendAll(); |
882 |
|
} |
883 |
|
|
884 |
|
/** |
885 |
|
* Suspend all gig engines that use the given instrument file. This means |
886 |
|
* completely stopping playback on those engines and killing all their |
887 |
|
* voices and disk streams. This method will block until all voices AND |
888 |
|
* their disk streams are finally deleted and the engine turned into a |
889 |
|
* complete idle loop. |
890 |
|
* |
891 |
|
* All @c SuspendEnginesUsing() methods only serve one thread by one and |
892 |
|
* block all other threads until the current active thread called |
893 |
|
* @c ResumeAllEngines() . |
894 |
|
* |
895 |
|
* @param pFile - search criteria |
896 |
|
*/ |
897 |
|
void InstrumentResourceManager::SuspendEnginesUsing(::gig::File* pFile) { |
898 |
|
// make sure no other thread suspends whole engines at the same time |
899 |
|
suspendedEnginesMutex.Lock(); |
900 |
|
// get all engines that use that same gig::File |
901 |
|
suspendedEngines = GetEnginesUsing(pFile, true/*lock*/); |
902 |
|
// finally, completely suspend all engines that use that same gig::File |
903 |
|
std::set<gig::Engine*>::iterator iter = suspendedEngines.begin(); |
904 |
|
std::set<gig::Engine*>::iterator end = suspendedEngines.end(); |
905 |
|
for (; iter != end; ++iter) (*iter)->SuspendAll(); |
906 |
|
} |
907 |
|
|
908 |
|
/** |
909 |
|
* MUST be called after one called one of the @c SuspendEnginesUsing() |
910 |
|
* methods, to resume normal playback on all previously suspended engines. |
911 |
|
* As it's only possible for one thread to suspend whole engines at the |
912 |
|
* same time, this method doesn't take any arguments. |
913 |
|
*/ |
914 |
|
void InstrumentResourceManager::ResumeAllEngines() { |
915 |
|
// resume all previously completely suspended engines |
916 |
|
std::set<Engine*>::iterator iter = suspendedEngines.begin(); |
917 |
|
std::set<Engine*>::iterator end = suspendedEngines.end(); |
918 |
|
for (; iter != end; ++iter) (*iter)->ResumeAll(); |
919 |
|
// no more suspended engines ... |
920 |
|
suspendedEngines.clear(); |
921 |
|
// allow another thread to suspend whole engines |
922 |
|
suspendedEnginesMutex.Unlock(); |
923 |
|
} |
924 |
|
|
925 |
|
|
926 |
|
|
927 |
// internal gig file manager |
// internal gig file manager |