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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 - 2011 Christian Schoenebeck * |
* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
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* Copyright (C) 2009 - 2011 Grigor Iliev * |
* Copyright (C) 2009 - 2012 Christian Schoenebeck and Grigor Iliev * |
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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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namespace LinuxSampler { namespace sfz { |
namespace LinuxSampler { namespace sfz { |
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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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::sfz::File* pSfz; |
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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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// 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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std::vector<InstrumentResourceManager::instrument_id_t> InstrumentResourceManager::Instruments() { |
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return Entries(); |
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} |
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String InstrumentResourceManager::GetInstrumentName(instrument_id_t ID) { |
String InstrumentResourceManager::GetInstrumentName(instrument_id_t ID) { |
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Lock(); |
Lock(); |
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::sfz::Instrument* pInstrument = Resource(ID, false); |
::sfz::Instrument* pInstrument = Resource(ID, false); |
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::sfz::File* sfz = NULL; |
::sfz::File* sfz = NULL; |
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try { |
try { |
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if(!loaded) { |
if (!loaded) { |
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sfz = new ::sfz::File(ID.FileName); |
sfz = new ::sfz::File(ID.FileName); |
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pInstrument = sfz->GetInstrument(); |
pInstrument = sfz->GetInstrument(); |
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} |
} |
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// cache initial samples points (for actually needed samples) |
// cache initial samples points (for actually needed samples) |
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dmsg(1,("Caching initial samples...")); |
dmsg(1,("Caching initial samples...")); |
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int regionCount = pInstrument->regions.size(); |
int regionCount = pInstrument->regions.size(); |
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for(int i = 0 ; i < regionCount; i++) { |
uint maxSamplesPerCycle = GetMaxSamplesPerCycle(pConsumer); |
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const float localProgress = (float) i / (float) regionCount; |
for (int i = 0 ; i < regionCount ; i++) { |
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float localProgress = (float) i / (float) regionCount; |
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DispatchResourceProgressEvent(Key, localProgress); |
DispatchResourceProgressEvent(Key, localProgress); |
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CacheInitialSamples(pInstrument->regions[i]->GetSample(), dynamic_cast<AbstractEngineChannel*>(pConsumer)); |
CacheInitialSamples(pInstrument->regions[i]->GetSample(), maxSamplesPerCycle); |
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//pInstrument->regions[i]->GetSample()->Close(); |
//pInstrument->regions[i]->GetSample()->Close(); |
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} |
} |
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dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
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instr_entry_t* pEntry = new instr_entry_t; |
instr_entry_t* pEntry = new instr_entry_t; |
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pEntry->ID.FileName = Key.FileName; |
pEntry->ID.FileName = Key.FileName; |
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pEntry->ID.Index = Key.Index; |
pEntry->ID.Index = Key.Index; |
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pEntry->pSfz = pSfz; |
pEntry->pFile = pSfz; |
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// (try to resolve the audio device context) |
// and we save this to check if we need to reallocate for an engine with higher value of 'MaxSamplesPerSecond' |
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EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(pConsumer); |
pEntry->MaxSamplesPerCycle = maxSamplesPerCycle; |
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AudioOutputDevice* pDevice = |
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(pEngineChannel) ? dynamic_cast<Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice : NULL; |
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// and we save this to check if we need to reallocate for a engine with higher value of 'MaxSamplesPerSecond' |
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pEntry->MaxSamplesPerCycle = |
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(pDevice) ? pDevice->MaxSamplesPerCycle() : DefaultMaxSamplesPerCycle(); |
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pArg = pEntry; |
pArg = pEntry; |
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return pInstrument; |
return pInstrument; |
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} |
} |
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void InstrumentResourceManager::Destroy( ::sfz::Instrument* pResource, void* pArg) { |
void InstrumentResourceManager::Destroy(::sfz::Instrument* pResource, void* pArg) { |
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instr_entry_t* pEntry = (instr_entry_t*) pArg; |
instr_entry_t* pEntry = (instr_entry_t*) pArg; |
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// we don't need the .sfz file here anymore |
// we don't need the .sfz file here anymore |
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Sfzs.HandBack(pEntry->pSfz, reinterpret_cast<SfzConsumer*>(pEntry->ID.Index)); // conversion kinda hackish :/ |
Sfzs.HandBack(pEntry->pFile, reinterpret_cast<SfzConsumer*>(pEntry->ID.Index)); // conversion kinda hackish :/ |
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delete pEntry; |
delete pEntry; |
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} |
} |
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void InstrumentResourceManager::OnBorrow(::sfz::Instrument* pResource, InstrumentConsumer* pConsumer, void*& pArg) { |
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instr_entry_t* pEntry = (instr_entry_t*) pArg; |
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// (try to resolve the audio device context) |
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EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(pConsumer); |
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AudioOutputDevice* pDevice = |
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(pEngineChannel) ? dynamic_cast<Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice : NULL; |
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uint maxSamplesPerCycle = |
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(pDevice) ? pDevice->MaxSamplesPerCycle() : DefaultMaxSamplesPerCycle(); |
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if (pEntry->MaxSamplesPerCycle < maxSamplesPerCycle) { |
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dmsg(1,("Completely reloading instrument due to insufficient precached samples ...\n")); |
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Update(pResource, pConsumer); |
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} |
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} |
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void InstrumentResourceManager::DeleteRegionIfNotUsed(::sfz::Region* pRegion, region_info_t* pRegInfo) { |
void InstrumentResourceManager::DeleteRegionIfNotUsed(::sfz::Region* pRegion, region_info_t* pRegInfo) { |
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::sfz::File* file = pRegInfo->file; |
::sfz::File* file = pRegInfo->file; |
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if (file == NULL) return; |
if (file == NULL) return; |
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file->GetInstrument()->DestroyRegion(pRegion); |
file->GetInstrument()->DestroyRegion(pRegion); |
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if(file->GetInstrument()->regions.empty()) { |
if (file->GetInstrument()->regions.empty()) { |
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dmsg(2,("No more regions in use - freeing sfz\n")); |
dmsg(2,("No more regions in use - freeing sfz\n")); |
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delete file; |
delete file; |
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} |
} |
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} |
} |
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} |
} |
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if(deleteInstrument) delete pResource; |
if (deleteInstrument) delete pResource; |
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else dmsg(2,("keeping some samples that are in use...")); |
else dmsg(2,("keeping some samples that are in use...")); |
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dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |