/[svn]/linuxsampler/trunk/src/engines/sfz/InstrumentResourceManager.cpp
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Diff of /linuxsampler/trunk/src/engines/sfz/InstrumentResourceManager.cpp

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revision 4018 by schoenebeck, Thu Dec 15 12:47:45 2016 UTC revision 4019 by schoenebeck, Mon Jan 3 17:45:26 2022 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 - 2008 Christian Schoenebeck                       *   *   Copyright (C) 2005 - 2022 Christian Schoenebeck                       *
7   *   Copyright (C) 2009 - 2012 Christian Schoenebeck and Grigor Iliev      *   *   Copyright (C) 2009 - 2012 Grigor Iliev                                *
8   *                                                                         *   *                                                                         *
9   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
10   *   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 93  namespace LinuxSampler { namespace sfz { Line 93  namespace LinuxSampler { namespace sfz {
93    
94      ::sfz::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) {      ::sfz::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) {
95          // get sfz file from internal sfz file manager          // get sfz file from internal sfz file manager
96          ::sfz::File* pSfz = Sfzs.Borrow(Key.FileName, reinterpret_cast<SfzConsumer*>(Key.Index)); // conversion kinda hackish :/          ::sfz::File* pSfz = Sfzs.Borrow(Key.FileName, &Sfzs);
97    
98          dmsg(1,("Loading sfz instrument ('%s',%d)...",Key.FileName.c_str(),Key.Index));          dmsg(1,("Loading sfz instrument ('%s',%d)...",Key.FileName.c_str(),Key.Index));
99          if (Key.Index) {          if (Key.Index) {
# Line 166  namespace LinuxSampler { namespace sfz { Line 166  namespace LinuxSampler { namespace sfz {
166          dmsg(1,("Loading sfz file \'%s\'...", Key.c_str()));          dmsg(1,("Loading sfz file \'%s\'...", Key.c_str()));
167          ::sfz::File* pSfz = new ::sfz::File(Key, &sampleManager);          ::sfz::File* pSfz = new ::sfz::File(Key, &sampleManager);
168          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
169            InstrumentManagerThread* thread = parent->GetInstrumentManagerThread();
170            // let this code be executed periodically by instrument manager thread
171            // in order to automatically reload this .sfz file whenever it was
172            // modified, e.g. by some external text editor application
173            thread->AddPeriodicJob("autoreload_sfz:" + Key, [this,Key,pSfz]{
174                if (pSfz->checkFileModified()) {
175                    dmsg(1,("Sfz file was modified: auto reloading '%s'\n", Key.c_str()));
176                    // passing NULL as consumer here instead of 'this' to ensure
177                    // that the ResourceToBeUpdated() and ResourceUpdated() method
178                    // pair below is executed
179                    Update(pSfz, NULL);
180                }
181            });
182          return pSfz;          return pSfz;
183      }      }
184    
185      void InstrumentResourceManager::SfzResourceManager::Destroy(::sfz::File* pResource, void* pArg) {      void InstrumentResourceManager::SfzResourceManager::Destroy(::sfz::File* pResource, void* pArg) {
186          dmsg(1,("Freeing sfz file from memory..."));          dmsg(1,("Freeing sfz file from memory..."));
187    
188            // stop periodic job previously scheduled above before freeing sfz file
189            const String key = pResource->filename();
190            InstrumentManagerThread* thread = parent->GetInstrumentManagerThread();
191            thread->RemovePeriodicJob("autoreload_sfz:" + key);
192    
193          // Delete as much as possible of the sfz file. Some of the          // Delete as much as possible of the sfz file. Some of the
194          // regions and samples may still be in use - these          // regions and samples may still be in use - these
195          // will be deleted later by the HandBackRegion function.          // will be deleted later by the HandBackRegion function.
# Line 190  namespace LinuxSampler { namespace sfz { Line 208  namespace LinuxSampler { namespace sfz {
208              }              }
209          }          }
210    
211            // free sfz file
212          if (deleteInstrument) delete pResource;          if (deleteInstrument) delete pResource;
213          else dmsg(2,("keeping some samples that are in use..."));          else dmsg(2,("keeping some samples that are in use..."));
214    
215          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
216      }      }
217    
218        void InstrumentResourceManager::SfzResourceManager::ResourceToBeUpdated(::sfz::File* pResource, void*& pUpdateArg) {
219            // Since the respective sfz::Instrument objects will already be
220            // invalidated when ResourceUpdated() will be called subsequently, we
221            // must assemble a list of the current sfz::Instrument objects being
222            // subject of the .sfz file changed already here.
223            std::set<::sfz::Instrument*>* pInstruments = new std::set<::sfz::Instrument*>();
224            {
225                std::vector<::sfz::Instrument*> instrumentsInUse = parent->Resources(false);
226                for (size_t i = 0; i < instrumentsInUse.size(); i++) {
227                    ::sfz::File* f = instrumentsInUse[i]->GetFile();
228                    if (f == pResource) pInstruments->insert(instrumentsInUse[i]);
229                }
230            }
231            pUpdateArg = pInstruments;
232        }
233    
234        void InstrumentResourceManager::SfzResourceManager::ResourceUpdated(::sfz::File* pOldResource, ::sfz::File* pNewResource, void* pUpdateArg) {
235            // force reload sfz::Instrument objects on engine channels that used that sfz file
236            std::set<::sfz::Instrument*>* pInstruments = (std::set<::sfz::Instrument*>*)pUpdateArg;
237            std::set<::sfz::Instrument*>::const_iterator it  = pInstruments->begin();
238            std::set<::sfz::Instrument*>::const_iterator end = pInstruments->end();
239            for (; it != end; ++it) {
240                ::sfz::Instrument* instrument = *it;
241                parent->Update(instrument, reinterpret_cast<SfzInstrConsumer*>(this));
242            }
243            delete pInstruments;
244        }
245    
246  }} // namespace LinuxSampler::sfz  }} // namespace LinuxSampler::sfz
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