/[svn]/linuxsampler/trunk/src/engines/gig/InstrumentResourceManager.cpp
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revision 1868 by schoenebeck, Wed Mar 18 22:16:14 2009 UTC revision 3034 by schoenebeck, Mon Oct 31 00:05:00 2016 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *   Copyright (C) 2005 - 2009 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2016 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 24  Line 24 
24  #include <sstream>  #include <sstream>
25    
26  #include "InstrumentResourceManager.h"  #include "InstrumentResourceManager.h"
27    #include "EngineChannel.h"
28    #include "Engine.h"
29    
30  #include "../../common/global_private.h"  #include "../../common/global_private.h"
31  #include "../../plugins/InstrumentEditorFactory.h"  #include "../../plugins/InstrumentEditorFactory.h"
32    
 // We need to know the maximum number of sample points which are going to  
 // be processed for each render cycle of the audio output driver, to know  
 // how much initial sample points we need to cache into RAM. If the given  
 // sampler channel does not have an audio output device assigned yet  
 // though, we simply use this default value.  
 #define GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE     128  
   
33  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
34    
     // data stored as long as an instrument resource exists  
     struct instr_entry_t {  
         InstrumentManager::instrument_id_t ID;  
         ::gig::File*                       pGig;  
         uint                               MaxSamplesPerCycle; ///< if some engine requests an already allocated instrument with a higher value, we have to reallocate the instrument  
     };  
   
35      // some data needed for the libgig callback function      // some data needed for the libgig callback function
36      struct progress_callback_arg_t {      struct progress_callback_arg_t {
37          InstrumentResourceManager*          pManager;          InstrumentResourceManager*          pManager;
# Line 53  namespace LinuxSampler { namespace gig { Line 41  namespace LinuxSampler { namespace gig {
41      // we use this to react on events concerning an instrument on behalf of an instrument editor      // we use this to react on events concerning an instrument on behalf of an instrument editor
42      class InstrumentEditorProxy : public InstrumentConsumer {      class InstrumentEditorProxy : public InstrumentConsumer {
43      public:      public:
44            virtual ~InstrumentEditorProxy() {}
45    
46          virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) {          virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) {
47              //TODO: inform the instrument editor about the pending update              //TODO: inform the instrument editor about the pending update
48          }          }
# Line 81  namespace LinuxSampler { namespace gig { Line 71  namespace LinuxSampler { namespace gig {
71       *                    instrument ID       *                    instrument ID
72       */       */
73      void InstrumentResourceManager::OnInstrumentLoadingProgress(::gig::progress_t* pProgress) {      void InstrumentResourceManager::OnInstrumentLoadingProgress(::gig::progress_t* pProgress) {
74          dmsg(7,("gig::InstrumentResourceManager: progress %f%", pProgress->factor));          dmsg(7,("gig::InstrumentResourceManager: progress %f%%", pProgress->factor));
75          progress_callback_arg_t* pArg = static_cast<progress_callback_arg_t*>(pProgress->custom);          progress_callback_arg_t* pArg = static_cast<progress_callback_arg_t*>(pProgress->custom);
76          // we randomly schedule 90% for the .gig file loading and the remaining 10% later for sample caching          // we randomly schedule 90% for the .gig file loading and the remaining 10% later for sample caching
77          const float localProgress = 0.9f * pProgress->factor;          const float localProgress = 0.9f * pProgress->factor;
78          pArg->pManager->DispatchResourceProgressEvent(*pArg->pInstrumentKey, localProgress);          pArg->pManager->DispatchResourceProgressEvent(*pArg->pInstrumentKey, localProgress);
79      }      }
80    
     std::vector<InstrumentResourceManager::instrument_id_t> InstrumentResourceManager::Instruments() {  
         return Entries();  
     }  
   
     InstrumentManager::mode_t InstrumentResourceManager::GetMode(const instrument_id_t& ID) {  
         return static_cast<InstrumentManager::mode_t>(AvailabilityMode(ID));  
     }  
   
     void InstrumentResourceManager::SetMode(const instrument_id_t& ID, InstrumentManager::mode_t Mode) {  
         dmsg(2,("gig::InstrumentResourceManager: setting mode for %s (Index=%d) to %d\n",ID.FileName.c_str(),ID.Index,Mode));  
         SetAvailabilityMode(ID, static_cast<ResourceManager<InstrumentManager::instrument_id_t, ::gig::Instrument>::mode_t>(Mode));  
     }  
   
81      String InstrumentResourceManager::GetInstrumentName(instrument_id_t ID) {      String InstrumentResourceManager::GetInstrumentName(instrument_id_t ID) {
82          Lock();          Lock();
83          ::gig::Instrument* pInstrument = Resource(ID, false);          ::gig::Instrument* pInstrument = Resource(ID, false);
# Line 154  namespace LinuxSampler { namespace gig { Line 131  namespace LinuxSampler { namespace gig {
131          ::RIFF::File* riff = NULL;          ::RIFF::File* riff = NULL;
132          ::gig::File*  gig  = NULL;          ::gig::File*  gig  = NULL;
133          try {          try {
134              if(!loaded) {              if (!loaded) {
135                  riff = new ::RIFF::File(ID.FileName);                  riff = new ::RIFF::File(ID.FileName);
136                  gig  = new ::gig::File(riff);                  gig  = new ::gig::File(riff);
137                  gig->SetAutoLoad(false); // avoid time consuming samples scanning                  gig->SetAutoLoad(false); // avoid time consuming samples scanning
# Line 233  namespace LinuxSampler { namespace gig { Line 210  namespace LinuxSampler { namespace gig {
210          }          }
211      }      }
212    
213      InstrumentEditor* InstrumentResourceManager::LaunchInstrumentEditor(instrument_id_t ID) throw (InstrumentManagerException) {      InstrumentEditor* InstrumentResourceManager::LaunchInstrumentEditor(LinuxSampler::EngineChannel* pEngineChannel, instrument_id_t ID, void* pUserData) throw (InstrumentManagerException) {
214          const String sDataType    = GetInstrumentDataStructureName(ID);          const String sDataType    = GetInstrumentDataStructureName(ID);
215          const String sDataVersion = GetInstrumentDataStructureVersion(ID);          const String sDataVersion = GetInstrumentDataStructureVersion(ID);
216          // find instrument editors capable to handle given instrument          // find instrument editors capable to handle given instrument
# Line 260  namespace LinuxSampler { namespace gig { Line 237  namespace LinuxSampler { namespace gig {
237          InstrumentEditorProxies.add(pProxy);          InstrumentEditorProxies.add(pProxy);
238          InstrumentEditorProxiesMutex.Unlock();          InstrumentEditorProxiesMutex.Unlock();
239          // launch the instrument editor for the given instrument          // launch the instrument editor for the given instrument
240          pEditor->Launch(pInstrument, sDataType, sDataVersion);          pEditor->Launch(pEngineChannel, pInstrument, sDataType, sDataVersion, pUserData);
241    
242          // register the instrument editor as virtual MIDI device as well ...          // register the instrument editor as virtual MIDI device as well ...
243          VirtualMidiDevice* pVirtualMidiDevice =          VirtualMidiDevice* pVirtualMidiDevice =
# Line 271  namespace LinuxSampler { namespace gig { Line 248  namespace LinuxSampler { namespace gig {
248          }          }
249          // 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 ? )          // 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 ? )
250          Lock();          Lock();
251          std::set<gig::EngineChannel*> engineChannels =          std::set<EngineChannel*> engineChannels =
252              GetEngineChannelsUsing(pInstrument, false/*don't lock again*/);              GetEngineChannelsUsing(pInstrument, false/*don't lock again*/);
253          std::set<gig::EngineChannel*>::iterator iter = engineChannels.begin();          std::set<EngineChannel*>::iterator iter = engineChannels.begin();
254          std::set<gig::EngineChannel*>::iterator end  = engineChannels.end();          std::set<EngineChannel*>::iterator end  = engineChannels.end();
255          for (; iter != end; ++iter) (*iter)->Connect(pVirtualMidiDevice);          for (; iter != end; ++iter) (static_cast<AbstractEngineChannel*>(*iter))->Connect(pVirtualMidiDevice);
256          Unlock();          Unlock();
257    
258          return pEditor;          return pEditor;
# Line 296  namespace LinuxSampler { namespace gig { Line 273  namespace LinuxSampler { namespace gig {
273          int iProxyIndex                = -1;          int iProxyIndex                = -1;
274    
275          // first find the editor proxy entry for this editor          // first find the editor proxy entry for this editor
276          InstrumentEditorProxiesMutex.Lock();          {
277          for (int i = 0; i < InstrumentEditorProxies.size(); i++) {              LockGuard lock(InstrumentEditorProxiesMutex);
278              InstrumentEditorProxy* pCurProxy =              for (int i = 0; i < InstrumentEditorProxies.size(); i++) {
279                  dynamic_cast<InstrumentEditorProxy*>(                  InstrumentEditorProxy* pCurProxy =
280                      InstrumentEditorProxies[i]                      dynamic_cast<InstrumentEditorProxy*>(
281                  );                          InstrumentEditorProxies[i]
282              if (pCurProxy->pEditor == pSender) {                          );
283                  pProxy      = pCurProxy;                  if (pCurProxy->pEditor == pSender) {
284                  iProxyIndex = i;                      pProxy      = pCurProxy;
285                  pInstrument = pCurProxy->pInstrument;                      iProxyIndex = i;
286                        pInstrument = pCurProxy->pInstrument;
287                    }
288              }              }
289          }          }
         InstrumentEditorProxiesMutex.Unlock();  
290    
291          if (!pProxy) {          if (!pProxy) {
292              std::cerr << "Eeeek, could not find instrument editor proxy, "              std::cerr << "Eeeek, could not find instrument editor proxy, "
# Line 322  namespace LinuxSampler { namespace gig { Line 300  namespace LinuxSampler { namespace gig {
300          if (pVirtualMidiDevice) {          if (pVirtualMidiDevice) {
301              Lock();              Lock();
302              // NOTE: see note in LaunchInstrumentEditor()              // NOTE: see note in LaunchInstrumentEditor()
303              std::set<gig::EngineChannel*> engineChannels =              std::set<EngineChannel*> engineChannels =
304                  GetEngineChannelsUsing(pInstrument, false/*don't lock again*/);                  GetEngineChannelsUsing(pInstrument, false/*don't lock again*/);
305              std::set<gig::EngineChannel*>::iterator iter = engineChannels.begin();              std::set<EngineChannel*>::iterator iter = engineChannels.begin();
306              std::set<gig::EngineChannel*>::iterator end  = engineChannels.end();              std::set<EngineChannel*>::iterator end  = engineChannels.end();
307              for (; iter != end; ++iter) (*iter)->Disconnect(pVirtualMidiDevice);              for (; iter != end; ++iter) (*iter)->Disconnect(pVirtualMidiDevice);
308              Unlock();              Unlock();
309          } else {          } else {
# Line 336  namespace LinuxSampler { namespace gig { Line 314  namespace LinuxSampler { namespace gig {
314    
315          // finally delete proxy entry and hand back instrument          // finally delete proxy entry and hand back instrument
316          if (pInstrument) {          if (pInstrument) {
317              InstrumentEditorProxiesMutex.Lock();              {
318              InstrumentEditorProxies.remove(iProxyIndex);                  LockGuard lock(InstrumentEditorProxiesMutex);
319              InstrumentEditorProxiesMutex.Unlock();                  InstrumentEditorProxies.remove(iProxyIndex);
320                }
321    
322              HandBack(pInstrument, pProxy);              HandBack(pInstrument, pProxy);
323              delete pProxy;              delete pProxy;
# Line 415  namespace LinuxSampler { namespace gig { Line 394  namespace LinuxSampler { namespace gig {
394      }      }
395    
396      void InstrumentResourceManager::OnDataStructureToBeChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) {      void InstrumentResourceManager::OnDataStructureToBeChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) {
397            dmsg(5,("gig::InstrumentResourceManager::OnDataStructureToBeChanged(%s)\n", sStructType.c_str()));
398          //TODO: remove code duplication          //TODO: remove code duplication
399          if (sStructType == "gig::File") {          if (sStructType == "gig::File") {
400              // completely suspend all engines that use that file              // completely suspend all engines that use that file
# Line 432  namespace LinuxSampler { namespace gig { Line 412  namespace LinuxSampler { namespace gig {
412              ::gig::Instrument* pInstrument =              ::gig::Instrument* pInstrument =
413                  (::gig::Instrument*) pRegion->GetParent();                  (::gig::Instrument*) pRegion->GetParent();
414              Lock();              Lock();
415              std::set<gig::Engine*> engines =              std::set<Engine*> engines =
416                  GetEnginesUsing(pInstrument, false/*don't lock again*/);                  GetEnginesUsing(pInstrument, false/*don't lock again*/);
417              std::set<gig::Engine*>::iterator iter = engines.begin();              std::set<Engine*>::iterator iter = engines.begin();
418              std::set<gig::Engine*>::iterator end  = engines.end();              std::set<Engine*>::iterator end  = engines.end();
419              for (; iter != end; ++iter) (*iter)->Suspend(pRegion);              for (; iter != end; ++iter) (*iter)->Suspend(pRegion);
420              Unlock();              Unlock();
421          } else if (sStructType == "gig::DimensionRegion") {          } else if (sStructType == "gig::DimensionRegion") {
# Line 449  namespace LinuxSampler { namespace gig { Line 429  namespace LinuxSampler { namespace gig {
429              ::gig::Instrument* pInstrument =              ::gig::Instrument* pInstrument =
430                  (::gig::Instrument*) pRegion->GetParent();                  (::gig::Instrument*) pRegion->GetParent();
431              Lock();              Lock();
432              std::set<gig::Engine*> engines =              std::set<Engine*> engines =
433                  GetEnginesUsing(pInstrument, false/*don't lock again*/);                  GetEnginesUsing(pInstrument, false/*don't lock again*/);
434              std::set<gig::Engine*>::iterator iter = engines.begin();              std::set<Engine*>::iterator iter = engines.begin();
435              std::set<gig::Engine*>::iterator end  = engines.end();              std::set<Engine*>::iterator end  = engines.end();
436              for (; iter != end; ++iter) (*iter)->Suspend(pRegion);              for (; iter != end; ++iter) (*iter)->Suspend(pRegion);
437              Unlock();              Unlock();
438            } else if (sStructType == "gig::Script") {
439                // no need to suspend anything here, since the sampler is
440                // processing a translated VM representation of the original script
441                // source code, not accessing the source code itself during playback
442                ::gig::Script* pScript = (::gig::Script*) pStruct;
443                // remember the original source code of the script, since the script
444                // resource manager uses the source code as key
445                pendingScriptUpdatesMutex.Lock();
446                pendingScriptUpdates[pScript] = pScript->GetScriptAsText();
447                pendingScriptUpdatesMutex.Unlock();
448          } else {          } else {
449              std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data "              std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data "
450                           "structure '" << sStructType << "' requested to be "                           "structure '" << sStructType << "' requested to be "
# Line 465  namespace LinuxSampler { namespace gig { Line 455  namespace LinuxSampler { namespace gig {
455      }      }
456    
457      void InstrumentResourceManager::OnDataStructureChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) {      void InstrumentResourceManager::OnDataStructureChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) {
458            dmsg(5,("gig::InstrumentResourceManager::OnDataStructureChanged(%s)\n", sStructType.c_str()));
459          //TODO: remove code duplication          //TODO: remove code duplication
460          if (sStructType == "gig::File") {          if (sStructType == "gig::File") {
461              // resume all previously suspended engines              // resume all previously suspended engines
# Line 485  namespace LinuxSampler { namespace gig { Line 476  namespace LinuxSampler { namespace gig {
476                  GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/);                  GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/);
477              for (int i = 0; i < instruments.size(); i++) {              for (int i = 0; i < instruments.size(); i++) {
478                  if (SampleReferencedByInstrument(pSample, instruments[i])) {                  if (SampleReferencedByInstrument(pSample, instruments[i])) {
479                      std::set<gig::EngineChannel*> engineChannels =                      std::set<EngineChannel*> engineChannels =
480                          GetEngineChannelsUsing(instruments[i], false/*don't lock again*/);                          GetEngineChannelsUsing(instruments[i], false/*don't lock again*/);
481                      std::set<gig::EngineChannel*>::iterator iter = engineChannels.begin();                      std::set<EngineChannel*>::iterator iter = engineChannels.begin();
482                      std::set<gig::EngineChannel*>::iterator end  = engineChannels.end();                      std::set<EngineChannel*>::iterator end  = engineChannels.end();
483                      for (; iter != end; ++iter)                      for (; iter != end; ++iter)
484                          CacheInitialSamples(pSample, *iter);                          CacheInitialSamples(pSample, *iter);
485                  }                  }
# Line 501  namespace LinuxSampler { namespace gig { Line 492  namespace LinuxSampler { namespace gig {
492              ::gig::Instrument* pInstrument =              ::gig::Instrument* pInstrument =
493                  (::gig::Instrument*) pRegion->GetParent();                  (::gig::Instrument*) pRegion->GetParent();
494              Lock();              Lock();
495              std::set<gig::Engine*> engines =              std::set<Engine*> engines =
496                  GetEnginesUsing(pInstrument, false/*don't lock again*/);                  GetEnginesUsing(pInstrument, false/*don't lock again*/);
497              std::set<gig::Engine*>::iterator iter = engines.begin();              std::set<Engine*>::iterator iter = engines.begin();
498              std::set<gig::Engine*>::iterator end  = engines.end();              std::set<Engine*>::iterator end  = engines.end();
499              for (; iter != end; ++iter) (*iter)->Resume(pRegion);              for (; iter != end; ++iter) (*iter)->Resume(pRegion);
500              Unlock();              Unlock();
501          } else if (sStructType == "gig::DimensionRegion") {          } else if (sStructType == "gig::DimensionRegion") {
# Line 516  namespace LinuxSampler { namespace gig { Line 507  namespace LinuxSampler { namespace gig {
507              ::gig::Instrument* pInstrument =              ::gig::Instrument* pInstrument =
508                  (::gig::Instrument*) pRegion->GetParent();                  (::gig::Instrument*) pRegion->GetParent();
509              Lock();              Lock();
510              std::set<gig::Engine*> engines =              std::set<Engine*> engines =
511                  GetEnginesUsing(pInstrument, false/*don't lock again*/);                  GetEnginesUsing(pInstrument, false/*don't lock again*/);
512              std::set<gig::Engine*>::iterator iter = engines.begin();              std::set<Engine*>::iterator iter = engines.begin();
513              std::set<gig::Engine*>::iterator end  = engines.end();              std::set<Engine*>::iterator end  = engines.end();
514              for (; iter != end; ++iter) (*iter)->Resume(pRegion);              for (; iter != end; ++iter) (*iter)->Resume(pRegion);
515              Unlock();              Unlock();
516            } else if (sStructType == "gig::Script") {
517                // inform all engine channels which are using this script, that
518                // they need to reload (parse) the script's source code text
519                ::gig::Script* pScript = (::gig::Script*) pStruct;
520                pendingScriptUpdatesMutex.Lock();
521                if (pendingScriptUpdates.count(pScript)) {
522                    const String& code = pendingScriptUpdates[pScript];
523                    std::set<EngineChannel*> channels = GetEngineChannelsUsingScriptSourceCode(code, true/*lock*/);
524                    pendingScriptUpdates.erase(pScript);
525                    std::set<EngineChannel*>::iterator iter = channels.begin();
526                    std::set<EngineChannel*>::iterator end  = channels.end();
527                    for (; iter != end; ++iter) (*iter)->reloadScript(pScript);
528                }
529                pendingScriptUpdatesMutex.Unlock();
530          } else {          } else {
531              std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data "              std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data "
532                           "structure '" << sStructType << "' requested to be "                           "structure '" << sStructType << "' requested to be "
# Line 555  namespace LinuxSampler { namespace gig { Line 560  namespace LinuxSampler { namespace gig {
560              ::gig::Sample* pSample = (::gig::Sample*) pNewSample;              ::gig::Sample* pSample = (::gig::Sample*) pNewSample;
561              ::gig::File* pFile = (::gig::File*) pSample->GetParent();              ::gig::File* pFile = (::gig::File*) pSample->GetParent();
562              // get all engines that use that same gig::File              // get all engines that use that same gig::File
563              std::set<gig::Engine*> engines = GetEnginesUsing(pFile, false/*don't lock again*/);              std::set<Engine*> engines = GetEnginesUsing(pFile, false/*don't lock again*/);
564              std::set<gig::Engine*>::iterator iter = engines.begin();              std::set<Engine*>::iterator iter = engines.begin();
565              std::set<gig::Engine*>::iterator end  = engines.end();              std::set<Engine*>::iterator end  = engines.end();
566              for (; iter != end; ++iter)              for (; iter != end; ++iter)
567                  CacheInitialSamples(pSample, *iter);                  CacheInitialSamples(pSample, *iter);
568              Unlock();              Unlock();
# Line 566  namespace LinuxSampler { namespace gig { Line 571  namespace LinuxSampler { namespace gig {
571    
572      ::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) {      ::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) {
573          // get gig file from internal gig file manager          // get gig file from internal gig file manager
574          ::gig::File* pGig = Gigs.Borrow(Key.FileName, (GigConsumer*) Key.Index); // conversion kinda hackish :/          ::gig::File* pGig = Gigs.Borrow(Key.FileName, reinterpret_cast<GigConsumer*>(Key.Index)); // conversion kinda hackish :/
575    
576          // we pass this to the progress callback mechanism of libgig          // we pass this to the progress callback mechanism of libgig
577          progress_callback_arg_t callbackArg;          progress_callback_arg_t callbackArg;
# Line 587  namespace LinuxSampler { namespace gig { Line 592  namespace LinuxSampler { namespace gig {
592          pGig->GetFirstSample(); // just to force complete instrument loading          pGig->GetFirstSample(); // just to force complete instrument loading
593          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
594    
595            uint maxSamplesPerCycle = GetMaxSamplesPerCycle(pConsumer);
596    
597          // cache initial samples points (for actually needed samples)          // cache initial samples points (for actually needed samples)
598          dmsg(1,("Caching initial samples..."));          dmsg(1,("Caching initial samples..."));
599          uint iRegion = 0; // just for progress calculation          uint iRegion = 0; // just for progress calculation
# Line 598  namespace LinuxSampler { namespace gig { Line 605  namespace LinuxSampler { namespace gig {
605    
606              if (pRgn->GetSample() && !pRgn->GetSample()->GetCache().Size) {              if (pRgn->GetSample() && !pRgn->GetSample()->GetCache().Size) {
607                  dmsg(2,("C"));                  dmsg(2,("C"));
608                  CacheInitialSamples(pRgn->GetSample(), (gig::EngineChannel*) pConsumer);                  CacheInitialSamples(pRgn->GetSample(), maxSamplesPerCycle);
609              }              }
610              for (uint i = 0; i < pRgn->DimensionRegions; i++) {              for (uint i = 0; i < pRgn->DimensionRegions; i++) {
611                  CacheInitialSamples(pRgn->pDimensionRegions[i]->pSample, (gig::EngineChannel*) pConsumer);                  CacheInitialSamples(pRgn->pDimensionRegions[i]->pSample, maxSamplesPerCycle);
612              }              }
613    
614              pRgn = pInstrument->GetNextRegion();              pRgn = pInstrument->GetNextRegion();
# Line 614  namespace LinuxSampler { namespace gig { Line 621  namespace LinuxSampler { namespace gig {
621          instr_entry_t* pEntry = new instr_entry_t;          instr_entry_t* pEntry = new instr_entry_t;
622          pEntry->ID.FileName   = Key.FileName;          pEntry->ID.FileName   = Key.FileName;
623          pEntry->ID.Index      = Key.Index;          pEntry->ID.Index      = Key.Index;
624          pEntry->pGig          = pGig;          pEntry->pFile         = pGig;
625    
626          gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer);          // and we save this to check if we need to reallocate for an engine with higher value of 'MaxSamplesPerSecond'
627          // and we save this to check if we need to reallocate for a engine with higher value of 'MaxSamplesPerSecond'          pEntry->MaxSamplesPerCycle = maxSamplesPerCycle;
628          pEntry->MaxSamplesPerCycle =          
             (!pEngineChannel) ? 0 /* don't care for instrument editors */ :  
                 (pEngineChannel->GetEngine()) ?  
                     dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle()  
                     : GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE;  
629          pArg = pEntry;          pArg = pEntry;
630    
631          return pInstrument;          return pInstrument;
632      }      }
633    
634      void InstrumentResourceManager::Destroy( ::gig::Instrument* pResource, void* pArg) {      void InstrumentResourceManager::Destroy(::gig::Instrument* pResource, void* pArg) {
635          instr_entry_t* pEntry = (instr_entry_t*) pArg;          instr_entry_t* pEntry = (instr_entry_t*) pArg;
636          // we don't need the .gig file here anymore          // we don't need the .gig file here anymore
637          Gigs.HandBack(pEntry->pGig, (GigConsumer*) pEntry->ID.Index); // conversion kinda hackish :/          Gigs.HandBack(pEntry->pFile, reinterpret_cast<GigConsumer*>(pEntry->ID.Index)); // conversion kinda hackish :/
638          delete pEntry;          delete pEntry;
639      }      }
640    
641      void InstrumentResourceManager::OnBorrow(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, void*& pArg) {      void InstrumentResourceManager::DeleteRegionIfNotUsed(::gig::DimensionRegion* pRegion, region_info_t* pRegInfo) {
642          instr_entry_t* pEntry = (instr_entry_t*) pArg;          // TODO: we could delete Region and Instrument here if they have become unused
         gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(pConsumer);  
         uint maxSamplesPerCycle =  
             (pEngineChannel && pEngineChannel->GetEngine()) ? dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine())->pAudioOutputDevice->MaxSamplesPerCycle()  
                                           : GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE;  
         if (pEntry->MaxSamplesPerCycle < maxSamplesPerCycle) {  
             Update(pResource, pConsumer);  
         }  
     }  
   
     /**  
      * Give back an instrument. This should be used instead of  
      * HandBack if there are some dimension regions that are still in  
      * use. (When an instrument is changed, the voices currently  
      * playing are allowed to keep playing with the old instrument  
      * until note off arrives. New notes will use the new instrument.)  
      */  
     void InstrumentResourceManager::HandBackInstrument(::gig::Instrument* pResource, InstrumentConsumer* pConsumer,  
                                                        RTList< ::gig::DimensionRegion*>* pDimRegionsInUse) {  
         DimRegInfoMutex.Lock();  
         for (RTList< ::gig::DimensionRegion*>::Iterator i = pDimRegionsInUse->first() ; i != pDimRegionsInUse->end() ; i++) {  
             DimRegInfo[*i].refCount++;  
             SampleRefCount[(*i)->pSample]++;  
         }  
         HandBack(pResource, pConsumer, true);  
         DimRegInfoMutex.Unlock();  
643      }      }
644    
645      /**      void InstrumentResourceManager::DeleteSampleIfNotUsed(::gig::Sample* pSample, region_info_t* pRegInfo) {
646       * Give back a dimension region that belongs to an instrument that          ::gig::File* gig = pRegInfo->file;
647       * was previously handed back.          ::RIFF::File* riff = static_cast< ::RIFF::File*>(pRegInfo->pArg);
648       */          if (gig) {
649      void InstrumentResourceManager::HandBackDimReg(::gig::DimensionRegion* pDimReg) {              gig->DeleteSample(pSample);
650          DimRegInfoMutex.Lock();              if (!gig->GetFirstSample()) {
651          dimreg_info_t& dimRegInfo = DimRegInfo[pDimReg];                  dmsg(2,("No more samples in use - freeing gig\n"));
652          int dimRegRefCount = --dimRegInfo.refCount;                  delete gig;
653          int sampleRefCount = --SampleRefCount[pDimReg->pSample];                  delete riff;
         if (dimRegRefCount == 0) {  
             ::gig::File* gig = dimRegInfo.file;  
             ::RIFF::File* riff = dimRegInfo.riff;  
             DimRegInfo.erase(pDimReg);  
             // TODO: we could delete Region and Instrument here if  
             // they have become unused  
   
             if (sampleRefCount == 0) {  
                 SampleRefCount.erase(pDimReg->pSample);  
   
                 if (gig) {  
                     gig->DeleteSample(pDimReg->pSample);  
                     if (!gig->GetFirstSample()) {  
                         dmsg(2,("No more samples in use - freeing gig\n"));  
                         delete gig;  
                         delete riff;  
                     }  
                 }  
654              }              }
655          }          }
         DimRegInfoMutex.Unlock();  
656      }      }
657    
658      /**      /**
# Line 704  namespace LinuxSampler { namespace gig { Line 663  namespace LinuxSampler { namespace gig {
663       *                   (may be NULL, in this case default amount of samples       *                   (may be NULL, in this case default amount of samples
664       *                   will be cached)       *                   will be cached)
665       */       */
666      void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::EngineChannel* pEngineChannel) {      void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, EngineChannel* pEngineChannel) {
667          gig::Engine* pEngine =          Engine* pEngine =
668              (pEngineChannel && pEngineChannel->GetEngine()) ?              (pEngineChannel && pEngineChannel->GetEngine()) ?
669                  dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine()) : NULL;                  dynamic_cast<Engine*>(pEngineChannel->GetEngine()) : NULL;
670          CacheInitialSamples(pSample, pEngine);          CacheInitialSamples(pSample, pEngine);
671      }      }
672    
# Line 722  namespace LinuxSampler { namespace gig { Line 681  namespace LinuxSampler { namespace gig {
681       *                   (may be NULL, in this case default amount of samples       *                   (may be NULL, in this case default amount of samples
682       *                   will be cached)       *                   will be cached)
683       */       */
684      void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::Engine* pEngine) {      void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, AbstractEngine* pEngine) {
685            uint maxSamplesPerCycle =
686                (pEngine) ? pEngine->pAudioOutputDevice->MaxSamplesPerCycle() :
687                DefaultMaxSamplesPerCycle();
688            CacheInitialSamples(pSample, maxSamplesPerCycle);
689        }
690    
691        void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, uint maxSamplesPerCycle) {
692          if (!pSample) {          if (!pSample) {
693              dmsg(4,("gig::InstrumentResourceManager: Skipping sample (pSample == NULL)\n"));              dmsg(4,("gig::InstrumentResourceManager: Skipping sample (pSample == NULL)\n"));
694              return;              return;
# Line 735  namespace LinuxSampler { namespace gig { Line 701  namespace LinuxSampler { namespace gig {
701              // number of '0' samples (silence samples) behind the official buffer              // number of '0' samples (silence samples) behind the official buffer
702              // 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
703              // the sample.              // the sample.
             const uint maxSamplesPerCycle =  
                 (pEngine) ? pEngine->pAudioOutputDevice->MaxSamplesPerCycle()  
                           : GIG_RESOURCE_MANAGER_DEFAULT_MAX_SAMPLES_PER_CYCLE;  
704              const uint neededSilenceSamples = (maxSamplesPerCycle << CONFIG_MAX_PITCH) + 3;              const uint neededSilenceSamples = (maxSamplesPerCycle << CONFIG_MAX_PITCH) + 3;
705              const uint currentlyCachedSilenceSamples = pSample->GetCache().NullExtensionSize / pSample->FrameSize;              const uint currentlyCachedSilenceSamples = pSample->GetCache().NullExtensionSize / pSample->FrameSize;
706              if (currentlyCachedSilenceSamples < neededSilenceSamples) {              if (currentlyCachedSilenceSamples < neededSilenceSamples) {
707                  dmsg(3,("Caching whole sample (sample name: \"%s\", sample size: %d)\n", pSample->pInfo->Name.c_str(), pSample->SamplesTotal));                  dmsg(3,("Caching whole sample (sample name: \"%s\", sample size: %lu)\n", pSample->pInfo->Name.c_str(), pSample->SamplesTotal));
708                  ::gig::buffer_t buf = pSample->LoadSampleDataWithNullSamplesExtension(neededSilenceSamples);                  ::gig::buffer_t buf = pSample->LoadSampleDataWithNullSamplesExtension(neededSilenceSamples);
709                  dmsg(4,("Cached %d Bytes, %d silence bytes.\n", buf.Size, buf.NullExtensionSize));                  dmsg(4,("Cached %lu Bytes, %lu silence bytes.\n", buf.Size, buf.NullExtensionSize));
710              }              }
711          }          }
712          else { // we only cache CONFIG_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
# Line 754  namespace LinuxSampler { namespace gig { Line 717  namespace LinuxSampler { namespace gig {
717      }      }
718    
719      void InstrumentResourceManager::UncacheInitialSamples(::gig::Sample* pSample) {      void InstrumentResourceManager::UncacheInitialSamples(::gig::Sample* pSample) {
720          dmsg(1,("Uncaching sample %x\n",pSample));          dmsg(1,("Uncaching sample %p\n",(void*)pSample));
721          if (pSample->GetCache().Size) pSample->ReleaseSampleData();          if (pSample->GetCache().Size) pSample->ReleaseSampleData();
722      }      }
723    
# Line 781  namespace LinuxSampler { namespace gig { Line 744  namespace LinuxSampler { namespace gig {
744    
745      /**      /**
746       * Returns a list with all gig engine channels that are currently using       * Returns a list with all gig engine channels that are currently using
747         * the given real-time instrument script (provided as source code).
748         *
749         * @param pScript - search criteria
750         * @param bLock - whether we should lock (mutex) the instrument manager
751         *                during this call and unlock at the end of this call
752         */
753        std::set<EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsingScriptSourceCode(const String& code, bool bLock) {
754            if (bLock) Lock();
755            std::set<EngineChannel*> result;
756            std::set<InstrumentScriptConsumer*> consumers = scripts.ConsumersOf(code);
757            std::set<InstrumentScriptConsumer*>::iterator iter = consumers.begin();
758            std::set<InstrumentScriptConsumer*>::iterator end  = consumers.end();
759            for (; iter != end; ++iter) {
760                EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter);
761                if (!pEngineChannel) continue;
762                result.insert(pEngineChannel);
763            }
764            if (bLock) Unlock();
765            return result;
766        }
767    
768        /**
769         * Returns a list with all gig engine channels that are currently using
770       * the given instrument.       * the given instrument.
771       *       *
772       * @param pInstrument - search criteria       * @param pInstrument - search criteria
773       * @param bLock - whether we should lock (mutex) the instrument manager       * @param bLock - whether we should lock (mutex) the instrument manager
774       *                during this call and unlock at the end of this call       *                during this call and unlock at the end of this call
775       */       */
776      std::set<gig::EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsing(::gig::Instrument* pInstrument, bool bLock) {      std::set<EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsing(::gig::Instrument* pInstrument, bool bLock) {
777          if (bLock) Lock();          if (bLock) Lock();
778          std::set<gig::EngineChannel*> result;          std::set<EngineChannel*> result;
779          std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument);          std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument);
780          std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();          std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();
781          std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();          std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();
782          for (; iter != end; ++iter) {          for (; iter != end; ++iter) {
783              gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter);              EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter);
784              if (!pEngineChannel) continue;              if (!pEngineChannel) continue;
785              result.insert(pEngineChannel);              result.insert(pEngineChannel);
786          }          }
# Line 810  namespace LinuxSampler { namespace gig { Line 796  namespace LinuxSampler { namespace gig {
796       * @param bLock - whether we should lock (mutex) the instrument manager       * @param bLock - whether we should lock (mutex) the instrument manager
797       *                during this call and unlock at the end of this call       *                during this call and unlock at the end of this call
798       */       */
799      std::set<gig::Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::Instrument* pInstrument, bool bLock) {      std::set<Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::Instrument* pInstrument, bool bLock) {
800          if (bLock) Lock();          if (bLock) Lock();
801          std::set<gig::Engine*> result;          std::set<Engine*> result;
802          std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument);          std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument);
803          std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();          std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();
804          std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();          std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();
805          for (; iter != end; ++iter) {          for (; iter != end; ++iter) {
806              gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter);              EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter);
807              if (!pEngineChannel) continue;              if (!pEngineChannel) continue;
808              gig::Engine* pEngine = dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine());              Engine* pEngine = dynamic_cast<Engine*>(pEngineChannel->GetEngine());
809              if (!pEngine) continue;              if (!pEngine) continue;
810              result.insert(pEngine);              result.insert(pEngine);
811          }          }
# Line 835  namespace LinuxSampler { namespace gig { Line 821  namespace LinuxSampler { namespace gig {
821       * @param bLock - whether we should lock (mutex) the instrument manager       * @param bLock - whether we should lock (mutex) the instrument manager
822       *                during this call and unlock at the end of this call       *                during this call and unlock at the end of this call
823       */       */
824      std::set<gig::Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::File* pFile, bool bLock) {      std::set<Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::File* pFile, bool bLock) {
825          if (bLock) Lock();          if (bLock) Lock();
826          // get all instruments (currently in usage) that use that same gig::File          // get all instruments (currently in usage) that use that same gig::File
827          std::vector< ::gig::Instrument*> instrumentsOfInterest =          std::vector< ::gig::Instrument*> instrumentsOfInterest =
828              GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/);              GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/);
829    
830          // get all engines that use that same gig::File          // get all engines that use that same gig::File
831          std::set<gig::Engine*> result;          std::set<Engine*> result;
832          {          {
833              for (int i = 0; i < instrumentsOfInterest.size(); i++) {              for (int i = 0; i < instrumentsOfInterest.size(); i++) {
834                  std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(instrumentsOfInterest[i]);                  std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(instrumentsOfInterest[i]);
835                  std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();                  std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();
836                  std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();                  std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();
837                  for (; iter != end; ++iter) {                  for (; iter != end; ++iter) {
838                      gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter);                      EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter);
839                      if (!pEngineChannel) continue;                      if (!pEngineChannel) continue;
840                      gig::Engine* pEngine = dynamic_cast<gig::Engine*>(pEngineChannel->GetEngine());                      Engine* pEngine = dynamic_cast<Engine*>(pEngineChannel->GetEngine());
841                      if (!pEngine) continue;                      if (!pEngine) continue;
842                      // the unique, sorted container std::set makes                      // the unique, sorted container std::set makes
843                      // sure we won't have duplicates                      // sure we won't have duplicates
# Line 905  namespace LinuxSampler { namespace gig { Line 891  namespace LinuxSampler { namespace gig {
891          // get all engines that use that same gig::Instrument          // get all engines that use that same gig::Instrument
892          suspendedEngines = GetEnginesUsing(pInstrument, true/*lock*/);          suspendedEngines = GetEnginesUsing(pInstrument, true/*lock*/);
893          // finally, completely suspend all engines that use that same gig::Instrument          // finally, completely suspend all engines that use that same gig::Instrument
894          std::set<gig::Engine*>::iterator iter = suspendedEngines.begin();          std::set<Engine*>::iterator iter = suspendedEngines.begin();
895          std::set<gig::Engine*>::iterator end  = suspendedEngines.end();          std::set<Engine*>::iterator end  = suspendedEngines.end();
896          for (; iter != end; ++iter) (*iter)->SuspendAll();          for (; iter != end; ++iter) (*iter)->SuspendAll();
897      }      }
898    
# Line 929  namespace LinuxSampler { namespace gig { Line 915  namespace LinuxSampler { namespace gig {
915          // get all engines that use that same gig::File          // get all engines that use that same gig::File
916          suspendedEngines = GetEnginesUsing(pFile, true/*lock*/);          suspendedEngines = GetEnginesUsing(pFile, true/*lock*/);
917          // finally, completely suspend all engines that use that same gig::File          // finally, completely suspend all engines that use that same gig::File
918          std::set<gig::Engine*>::iterator iter = suspendedEngines.begin();          std::set<Engine*>::iterator iter = suspendedEngines.begin();
919          std::set<gig::Engine*>::iterator end  = suspendedEngines.end();          std::set<Engine*>::iterator end  = suspendedEngines.end();
920          for (; iter != end; ++iter) (*iter)->SuspendAll();          for (; iter != end; ++iter) (*iter)->SuspendAll();
921      }      }
922    
# Line 965  namespace LinuxSampler { namespace gig { Line 951  namespace LinuxSampler { namespace gig {
951      }      }
952    
953      void InstrumentResourceManager::GigResourceManager::Destroy(::gig::File* pResource, void* pArg) {      void InstrumentResourceManager::GigResourceManager::Destroy(::gig::File* pResource, void* pArg) {
954          dmsg(1,("Freeing gig file from memory..."));          dmsg(1,("Freeing gig file '%s' from memory ...", pResource->GetFileName().c_str()));
955    
956          // Delete as much as possible of the gig file. Some of the          // Delete as much as possible of the gig file. Some of the
957          // dimension regions and samples may still be in use - these          // dimension regions and samples may still be in use - these
# Line 986  namespace LinuxSampler { namespace gig { Line 972  namespace LinuxSampler { namespace gig {
972                  for (int i = 0 ; i < region->DimensionRegions ; i++)                  for (int i = 0 ; i < region->DimensionRegions ; i++)
973                  {                  {
974                      ::gig::DimensionRegion *d = region->pDimensionRegions[i];                      ::gig::DimensionRegion *d = region->pDimensionRegions[i];
975                      std::map< ::gig::DimensionRegion*, dimreg_info_t>::iterator iter = parent->DimRegInfo.find(d);                      std::map< ::gig::DimensionRegion*, region_info_t>::iterator iter = parent->RegionInfo.find(d);
976                      if (iter != parent->DimRegInfo.end()) {                      if (iter != parent->RegionInfo.end()) {
977                          dimreg_info_t& dimRegInfo = (*iter).second;                          region_info_t& dimRegInfo = (*iter).second;
978                          dimRegInfo.file = pResource;                          dimRegInfo.file = pResource;
979                          dimRegInfo.riff = (::RIFF::File*)pArg;                          dimRegInfo.pArg = (::RIFF::File*)pArg;
980                          deleteFile = deleteInstrument = deleteRegion = false;                          deleteFile = deleteInstrument = deleteRegion = false;
981                      }                      }
982                  }                  }
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