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

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revision 1653 by schoenebeck, Wed Jan 30 01:51:46 2008 UTC revision 1659 by schoenebeck, Sun Feb 3 00:13:27 2008 UTC
# Line 204  namespace LinuxSampler { namespace gig { Line 204  namespace LinuxSampler { namespace gig {
204          InstrumentEditorProxiesMutex.Unlock();          InstrumentEditorProxiesMutex.Unlock();
205          // launch the instrument editor for the given instrument          // launch the instrument editor for the given instrument
206          pEditor->Launch(pInstrument, sDataType, sDataVersion);          pEditor->Launch(pInstrument, sDataType, sDataVersion);
207    
208            // register the instrument editor as virtual MIDI device as well ...
209            VirtualMidiDevice* pVirtualMidiDevice =
210                dynamic_cast<VirtualMidiDevice*>(pEditor);
211            if (!pVirtualMidiDevice) {
212                std::cerr << "Instrument editor not a virtual MIDI device\n" << std::flush;
213                return;
214            }
215            // 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 ? )
216            Lock();
217            std::set<gig::EngineChannel*> engineChannels =
218                GetEngineChannelsUsing(pInstrument, false/*don't lock again*/);
219            std::set<gig::EngineChannel*>::iterator iter = engineChannels.begin();
220            std::set<gig::EngineChannel*>::iterator end  = engineChannels.end();
221            for (; iter != end; ++iter) (*iter)->Connect(pVirtualMidiDevice);
222            Unlock();
223      }      }
224    
225      /**      /**
# Line 215  namespace LinuxSampler { namespace gig { Line 231  namespace LinuxSampler { namespace gig {
231       */       */
232      void InstrumentResourceManager::OnInstrumentEditorQuit(InstrumentEditor* pSender) {      void InstrumentResourceManager::OnInstrumentEditorQuit(InstrumentEditor* pSender) {
233          dmsg(1,("InstrumentResourceManager: instrument editor quit, doing cleanup\n"));          dmsg(1,("InstrumentResourceManager: instrument editor quit, doing cleanup\n"));
234          // hand back instrument and free proxy  
235            ::gig::Instrument* pInstrument = NULL;
236            InstrumentEditorProxy* pProxy  = NULL;
237            int iProxyIndex                = -1;
238    
239            // first find the editor proxy entry for this editor
240          InstrumentEditorProxiesMutex.Lock();          InstrumentEditorProxiesMutex.Lock();
241          for (int i = 0; i < InstrumentEditorProxies.size(); i++) {          for (int i = 0; i < InstrumentEditorProxies.size(); i++) {
242              InstrumentEditorProxy* pProxy =              InstrumentEditorProxy* pCurProxy =
243                  dynamic_cast<InstrumentEditorProxy*>(                  dynamic_cast<InstrumentEditorProxy*>(
244                      InstrumentEditorProxies[i]                      InstrumentEditorProxies[i]
245                  );                  );
246              if (pProxy->pEditor == pSender) {              if (pCurProxy->pEditor == pSender) {
247                  InstrumentEditorProxies.remove(i);                  pProxy      = pCurProxy;
248                  InstrumentEditorProxiesMutex.Unlock();                  iProxyIndex = i;
249                  HandBack(pProxy->pInstrument, pProxy);                  pInstrument = pCurProxy->pInstrument;
                 if (pProxy) delete pProxy;  
                 return;  
250              }              }
251          }          }
252          InstrumentEditorProxiesMutex.Unlock();          InstrumentEditorProxiesMutex.Unlock();
253          std::cerr << "Eeeek, could not find instrument editor proxy, this is a bug!\n" << std::flush;  
254            if (!pProxy) {
255                std::cerr << "Eeeek, could not find instrument editor proxy, "
256                             "this is a bug!\n" << std::flush;
257                return;
258            }
259    
260            // now unregister editor as not being available as a virtual MIDI device anymore
261            VirtualMidiDevice* pVirtualMidiDevice =
262                dynamic_cast<VirtualMidiDevice*>(pSender);
263            if (pVirtualMidiDevice) {
264                Lock();
265                // NOTE: see note in LaunchInstrumentEditor()
266                std::set<gig::EngineChannel*> engineChannels =
267                    GetEngineChannelsUsing(pInstrument, false/*don't lock again*/);
268                std::set<gig::EngineChannel*>::iterator iter = engineChannels.begin();
269                std::set<gig::EngineChannel*>::iterator end  = engineChannels.end();
270                for (; iter != end; ++iter) (*iter)->Disconnect(pVirtualMidiDevice);
271                Unlock();
272            } else {
273                std::cerr << "Could not unregister editor as not longer acting as "
274                             "virtual MIDI device. Wasn't it registered?\n"
275                          << std::flush;
276            }
277    
278            // finally delete proxy entry and hand back instrument
279            if (pInstrument) {
280                InstrumentEditorProxiesMutex.Lock();
281                InstrumentEditorProxies.remove(iProxyIndex);
282                InstrumentEditorProxiesMutex.Unlock();
283    
284                HandBack(pInstrument, pProxy);
285                delete pProxy;
286            }
287    
288          // Note that we don't need to free the editor here. As it          // Note that we don't need to free the editor here. As it
289          // derives from Thread, it will delete itself when the thread          // derives from Thread, it will delete itself when the thread
# Line 254  namespace LinuxSampler { namespace gig { Line 306  namespace LinuxSampler { namespace gig {
306                      InstrumentEditorProxies[i]                      InstrumentEditorProxies[i]
307                  );                  );
308              if (pProxy->pInstrument == pInstrument)              if (pProxy->pInstrument == pInstrument)
309                  pProxy->pEditor->SendNoteOnToEditor(Key, Velocity);                  pProxy->pEditor->SendNoteOnToDevice(Key, Velocity);
310          }          }
311          InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation          InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation
312      }      }
# Line 275  namespace LinuxSampler { namespace gig { Line 327  namespace LinuxSampler { namespace gig {
327                      InstrumentEditorProxies[i]                      InstrumentEditorProxies[i]
328                  );                  );
329              if (pProxy->pInstrument == pInstrument)              if (pProxy->pInstrument == pInstrument)
330                  pProxy->pEditor->SendNoteOffToEditor(Key, Velocity);                  pProxy->pEditor->SendNoteOffToDevice(Key, Velocity);
331          }          }
332          InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation          InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation
333      }      }
# Line 638  namespace LinuxSampler { namespace gig { Line 690  namespace LinuxSampler { namespace gig {
690          if (bLock) Unlock();          if (bLock) Unlock();
691          return result;          return result;
692      }      }
693    
694        /**
695         * Returns a list with all gig engine channels that are currently using
696         * the given instrument.
697         *
698         * @param pInstrument - search criteria
699         * @param bLock - whether we should lock (mutex) the instrument manager
700         *                during this call and unlock at the end of this call
701         */
702        std::set<gig::EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsing(::gig::Instrument* pInstrument, bool bLock) {
703            if (bLock) Lock();
704            std::set<gig::EngineChannel*> result;
705            std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument);
706            std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();
707            std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();
708            for (; iter != end; ++iter) {
709                gig::EngineChannel* pEngineChannel = dynamic_cast<gig::EngineChannel*>(*iter);
710                if (!pEngineChannel) continue;
711                result.insert(pEngineChannel);
712            }
713            if (bLock) Unlock();
714            return result;
715        }
716    
717      /**      /**
718       * Returns a list with all gig Engines that are currently using the given       * Returns a list with all gig Engines that are currently using the given

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