/[svn]/linuxsampler/trunk/src/Sampler.cpp
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revision 551 by schoenebeck, Tue May 17 18:16:54 2005 UTC revision 1723 by schoenebeck, Sun Apr 20 08:53:39 2008 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 Christian Schoenebeck                              *   *   Copyright (C) 2005 - 2008 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This library 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  *
10   *   the Free Software Foundation; either version 2 of the License, or     *   *   the Free Software Foundation; either version 2 of the License, or     *
11   *   (at your option) any later version.                                   *   *   (at your option) any later version.                                   *
12   *                                                                         *   *                                                                         *
13   *   This program is distributed in the hope that it will be useful,       *   *   This library is distributed in the hope that it will be useful,       *
14   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
15   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
16   *   GNU General Public License for more details.                          *   *   GNU General Public License for more details.                          *
17   *                                                                         *   *                                                                         *
18   *   You should have received a copy of the GNU General Public License     *   *   You should have received a copy of the GNU General Public License     *
19   *   along with this program; if not, write to the Free Software           *   *   along with this library; if not, write to the Free Software           *
20   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
21   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
22   ***************************************************************************/   ***************************************************************************/
# Line 25  Line 25 
25    
26  #include "Sampler.h"  #include "Sampler.h"
27    
28    #include "common/global_private.h"
29    #include "engines/EngineFactory.h"
30  #include "engines/EngineChannelFactory.h"  #include "engines/EngineChannelFactory.h"
31    #include "plugins/InstrumentEditorFactory.h"
32  #include "drivers/audio/AudioOutputDeviceFactory.h"  #include "drivers/audio/AudioOutputDeviceFactory.h"
33  #include "drivers/midi/MidiInputDeviceFactory.h"  #include "drivers/midi/MidiInputDeviceFactory.h"
34  #include "network/lscpserver.h"  #include "drivers/midi/MidiInstrumentMapper.h"
35    #include "common/Features.h"
36    
37  namespace LinuxSampler {  namespace LinuxSampler {
38    
# Line 38  namespace LinuxSampler { Line 42  namespace LinuxSampler {
42      SamplerChannel::SamplerChannel(Sampler* pS) {      SamplerChannel::SamplerChannel(Sampler* pS) {
43          pSampler           = pS;          pSampler           = pS;
44          pEngineChannel     = NULL;          pEngineChannel     = NULL;
         pMidiInputDevice   = NULL;  
45          pAudioOutputDevice = NULL;          pAudioOutputDevice = NULL;
46          midiPort           = 0;          pMidiInputDevice   = NULL;
47          midiChannel        = MidiInputPort::midi_chan_all;          iMidiPort          = 0;
48            midiChannel        = midi_chan_all;
49          iIndex             = -1;          iIndex             = -1;
50      }      }
51    
52      SamplerChannel::~SamplerChannel() {      SamplerChannel::~SamplerChannel() {
53          if (pEngineChannel) {          if (pEngineChannel) {
54              MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort);              Engine* engine = pEngineChannel->GetEngine();
55                if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine);
56    
57                MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel());
58              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);
59              if (pEngineChannel) {              if (pEngineChannel) {
60                  if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();                  if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();
61                  delete pEngineChannel;                  EngineChannelFactory::Destroy(pEngineChannel);
62    
63                    // reconnect engine if it still exists
64                    const std::set<Engine*>& engines = EngineFactory::EngineInstances();
65                    if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
66              }              }
67          }          }
68      }      }
69    
70      void SamplerChannel::SetEngineType(String EngineType) throw (LinuxSamplerException) {      void SamplerChannel::SetEngineType(String EngineType) throw (Exception) {
71          dmsg(2,("SamplerChannel: Assigning engine type..."));          dmsg(2,("SamplerChannel: Assigning engine type..."));
72            
73            if (pEngineChannel) {
74                if (!strcasecmp(pEngineChannel->EngineName().c_str(), EngineType.c_str())) {
75                    dmsg(2,("OK\n"));
76                    return;
77                }
78            }
79    
80            fireEngineToBeChanged();
81    
82          // create new engine channel          // create new engine channel
83          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);
84          if (!pNewEngineChannel) throw LinuxSamplerException("Unknown engine type");          if (!pNewEngineChannel) throw Exception("Unknown engine type");
85    
86            //FIXME: hack to allow fast retrieval of engine channel's sampler channel index
87            pNewEngineChannel->iSamplerChannelIndex = Index();
88    
89          // dereference midi input port.          // dereference midi input port.
90          MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort);          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
91          // disconnect old engine          // disconnect old engine channel
92          if (pEngineChannel) {          if (pEngineChannel) {
93                Engine* engine = pEngineChannel->GetEngine();
94                if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine);
95    
96              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);
97              if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();              if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();
98              delete pEngineChannel;              EngineChannelFactory::Destroy(pEngineChannel);
99    
100                // reconnect engine if it still exists
101                const std::set<Engine*>& engines = EngineFactory::EngineInstances();
102                if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
103          }          }
104    
105          // connect new engine channel          // connect new engine channel
         pEngineChannel = pNewEngineChannel;  
         if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, this->midiChannel);  
106          if (pAudioOutputDevice) {          if (pAudioOutputDevice) {
107              pNewEngineChannel->Connect(pAudioOutputDevice);              pNewEngineChannel->Connect(pAudioOutputDevice);
108              pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());              pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());
109          }          }
110            if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel());
111            pEngineChannel = pNewEngineChannel;
112    
113            // from now on get MIDI device and port from EngineChannel object
114            this->pMidiInputDevice = NULL;
115            this->iMidiPort        = 0;
116    
117            pEngineChannel->StatusChanged(true);
118            fireEngineChanged();
119          dmsg(2,("OK\n"));          dmsg(2,("OK\n"));
120      }      }
121    
122      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {
123            if(pAudioOutputDevice == pDevice) return;
124    
125          // disconnect old device          // disconnect old device
126          if (pAudioOutputDevice && pEngineChannel) pEngineChannel->DisconnectAudioOutputDevice();          if (pAudioOutputDevice && pEngineChannel) {
127                Engine* engine = pEngineChannel->GetEngine();
128                pAudioOutputDevice->Disconnect(engine);
129    
130                pEngineChannel->DisconnectAudioOutputDevice();
131    
132                // reconnect engine if it still exists
133                const std::set<Engine*>& engines = EngineFactory::EngineInstances();
134                if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
135            }
136    
137          // connect new device          // connect new device
138          pAudioOutputDevice = pDevice;          pAudioOutputDevice = pDevice;
139          if (pEngineChannel) {          if (pEngineChannel) {
# Line 94  namespace LinuxSampler { Line 143  namespace LinuxSampler {
143      }      }
144    
145      void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) {      void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) {
146         SetMidiInput(pDevice, this->midiPort, this->midiChannel);         SetMidiInput(pDevice, 0, GetMidiInputChannel());
147      }      }
148    
149      void SamplerChannel::SetMidiInputPort(int MidiPort) {      void SamplerChannel::SetMidiInputPort(int MidiPort) {
150         SetMidiInput(pMidiInputDevice, MidiPort, this->midiChannel);         SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel());
151      }      }
152    
153      void SamplerChannel::SetMidiInputChannel(MidiInputPort::midi_chan_t MidiChannel) {      void SamplerChannel::SetMidiInputChannel(midi_chan_t MidiChannel) {
154         SetMidiInput(pMidiInputDevice, this->midiPort, MidiChannel);         SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel);
155      }      }
156    
157      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, MidiInputPort::midi_chan_t MidiChannel) {      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) {
158          // dereference old midi input port.          if (!pDevice) throw Exception("No MIDI input device assigned.");
159          MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort);  
160            // get old and new midi input port
161            MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
162            MidiInputPort* pNewMidiInputPort = pDevice->GetPort(iMidiPort);
163    
164          // disconnect old device port          // disconnect old device port
165          if (pMidiInputPort && pEngineChannel) pMidiInputPort->Disconnect(pEngineChannel);          if (pOldMidiInputPort && pEngineChannel) pOldMidiInputPort->Disconnect(pEngineChannel);
166          // new device, port and channel          // remember new device, port and channel if not engine channel yet created
167          pMidiInputDevice = pDevice;          if (!pEngineChannel) {
168          this->midiPort = iMidiPort;              this->pMidiInputDevice = pDevice;
169          this->midiChannel = MidiChannel;              this->iMidiPort        = iMidiPort;
170                this->midiChannel      = MidiChannel;
171            }
172    
173          // connect new device port          // connect new device port
174          pMidiInputPort = GetMidiInputDevicePort(this->midiPort);          if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel);
         if (pMidiInputPort && pEngineChannel) pMidiInputPort->Connect(pEngineChannel, MidiChannel);  
175          // Ooops.          // Ooops.
176          if (pMidiInputPort == NULL)          if (pNewMidiInputPort == NULL)
177              throw LinuxSamplerException("There is no MIDI input port with index " + ToString(iMidiPort) + ".");              throw Exception("There is no MIDI input port with index " + ToString(iMidiPort) + ".");
178      }      }
179    
180      EngineChannel* SamplerChannel::GetEngineChannel() {      EngineChannel* SamplerChannel::GetEngineChannel() {
181          return pEngineChannel;          return pEngineChannel;
182      }      }
183    
184      MidiInputPort::midi_chan_t SamplerChannel::GetMidiInputChannel() {      midi_chan_t SamplerChannel::GetMidiInputChannel() {
185            if (pEngineChannel) this->midiChannel = pEngineChannel->MidiChannel();
186          return this->midiChannel;          return this->midiChannel;
187      }      }
188    
189      int SamplerChannel::GetMidiInputPort() {      int SamplerChannel::GetMidiInputPort() {
190          MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort);          MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : NULL;
191          return (pMidiInputPort ? (int) pMidiInputPort->GetPortNumber() : -1);          if (pMidiInputPort) this->iMidiPort = (int) pMidiInputPort->GetPortNumber();
192            return iMidiPort;
193      }      }
194    
195      AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() {      AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() {
# Line 140  namespace LinuxSampler { Line 197  namespace LinuxSampler {
197      }      }
198    
199      MidiInputDevice* SamplerChannel::GetMidiInputDevice() {      MidiInputDevice* SamplerChannel::GetMidiInputDevice() {
200            if (pEngineChannel)
201                pMidiInputDevice = (pEngineChannel->GetMidiInputPort()) ? pEngineChannel->GetMidiInputPort()->GetDevice() : NULL;
202          return pMidiInputDevice;          return pMidiInputDevice;
203      }      }
204    
# Line 154  namespace LinuxSampler { Line 213  namespace LinuxSampler {
213              }              }
214          }          }
215    
216          throw LinuxSamplerException("Internal error: SamplerChannel index not found");          throw Exception("Internal error: SamplerChannel index not found");
217        }
218    
219        void SamplerChannel::AddEngineChangeListener(EngineChangeListener* l) {
220            llEngineChangeListeners.AddListener(l);
221        }
222    
223        void SamplerChannel::RemoveEngineChangeListener(EngineChangeListener* l) {
224           llEngineChangeListeners.RemoveListener(l);
225        }
226    
227        void SamplerChannel::RemoveAllEngineChangeListeners() {
228           llEngineChangeListeners.RemoveAllListeners();
229        }
230    
231        void SamplerChannel::fireEngineToBeChanged() {
232            for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
233                llEngineChangeListeners.GetListener(i)->EngineToBeChanged(Index());
234            }
235        }
236    
237        void SamplerChannel::fireEngineChanged() {
238            for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) {
239                llEngineChangeListeners.GetListener(i)->EngineChanged(Index());
240            }
241      }      }
242    
243      MidiInputPort* SamplerChannel::GetMidiInputDevicePort(int iMidiPort) {      MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) {
244          MidiInputPort* pMidiInputPort = NULL;          MidiInputPort* pMidiInputPort = NULL;
245            MidiInputDevice* pMidiInputDevice = GetMidiInputDevice();
246          if (pMidiInputDevice)          if (pMidiInputDevice)
247              pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort);              pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort);
248          return pMidiInputPort;          return pMidiInputPort;
# Line 170  namespace LinuxSampler { Line 254  namespace LinuxSampler {
254      // * Sampler      // * Sampler
255    
256      Sampler::Sampler() {      Sampler::Sampler() {
257            eventHandler.SetSampler(this);
258      }      }
259    
260      Sampler::~Sampler() {      Sampler::~Sampler() {
# Line 180  namespace LinuxSampler { Line 265  namespace LinuxSampler {
265          return mSamplerChannels.size();          return mSamplerChannels.size();
266      }      }
267    
268        void Sampler::AddChannelCountListener(ChannelCountListener* l) {
269            llChannelCountListeners.AddListener(l);
270        }
271    
272        void Sampler::RemoveChannelCountListener(ChannelCountListener* l) {
273           llChannelCountListeners.RemoveListener(l);
274        }
275    
276        void Sampler::fireChannelCountChanged(int NewCount) {
277            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
278                llChannelCountListeners.GetListener(i)->ChannelCountChanged(NewCount);
279            }
280        }
281    
282        void Sampler::fireChannelAdded(SamplerChannel* pChannel) {
283            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
284                llChannelCountListeners.GetListener(i)->ChannelAdded(pChannel);
285            }
286        }
287    
288        void Sampler::fireChannelToBeRemoved(SamplerChannel* pChannel) {
289            for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) {
290                llChannelCountListeners.GetListener(i)->ChannelToBeRemoved(pChannel);
291            }
292        }
293    
294        void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) {
295            llAudioDeviceCountListeners.AddListener(l);
296        }
297    
298        void Sampler::RemoveAudioDeviceCountListener(AudioDeviceCountListener* l) {
299            llAudioDeviceCountListeners.RemoveListener(l);
300        }
301    
302        void Sampler::fireAudioDeviceCountChanged(int NewCount) {
303            for (int i = 0; i < llAudioDeviceCountListeners.GetListenerCount(); i++) {
304                llAudioDeviceCountListeners.GetListener(i)->AudioDeviceCountChanged(NewCount);
305            }
306        }
307    
308        void Sampler::AddMidiDeviceCountListener(MidiDeviceCountListener* l) {
309            llMidiDeviceCountListeners.AddListener(l);
310        }
311    
312        void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) {
313            llMidiDeviceCountListeners.RemoveListener(l);
314        }
315    
316        void Sampler::fireMidiDeviceCountChanged(int NewCount) {
317            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
318                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCountChanged(NewCount);
319            }
320        }
321    
322        void Sampler::fireMidiDeviceToBeDestroyed(MidiInputDevice* pDevice) {
323            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
324                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceToBeDestroyed(pDevice);
325            }
326        }
327    
328        void Sampler::fireMidiDeviceCreated(MidiInputDevice* pDevice) {
329            for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) {
330                llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCreated(pDevice);
331            }
332        }
333    
334        void Sampler::AddVoiceCountListener(VoiceCountListener* l) {
335            llVoiceCountListeners.AddListener(l);
336        }
337    
338        void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) {
339            llVoiceCountListeners.RemoveListener(l);
340        }
341    
342        void Sampler::fireVoiceCountChanged(int ChannelId, int NewCount) {
343            for (int i = 0; i < llVoiceCountListeners.GetListenerCount(); i++) {
344                llVoiceCountListeners.GetListener(i)->VoiceCountChanged(ChannelId, NewCount);
345            }
346        }
347    
348        void Sampler::AddStreamCountListener(StreamCountListener* l) {
349            llStreamCountListeners.AddListener(l);
350        }
351    
352        void Sampler::RemoveStreamCountListener(StreamCountListener* l) {
353            llStreamCountListeners.RemoveListener(l);
354        }
355    
356        void Sampler::fireStreamCountChanged(int ChannelId, int NewCount) {
357            for (int i = 0; i < llStreamCountListeners.GetListenerCount(); i++) {
358                llStreamCountListeners.GetListener(i)->StreamCountChanged(ChannelId, NewCount);
359            }
360        }
361    
362        void Sampler::AddBufferFillListener(BufferFillListener* l) {
363            llBufferFillListeners.AddListener(l);
364        }
365    
366        void Sampler::RemoveBufferFillListener(BufferFillListener* l) {
367            llBufferFillListeners.RemoveListener(l);
368        }
369    
370        void Sampler::fireBufferFillChanged(int ChannelId, String FillData) {
371            for (int i = 0; i < llBufferFillListeners.GetListenerCount(); i++) {
372                llBufferFillListeners.GetListener(i)->BufferFillChanged(ChannelId, FillData);
373            }
374        }
375    
376        void Sampler::AddTotalStreamCountListener(TotalStreamCountListener* l) {
377            llTotalStreamCountListeners.AddListener(l);
378        }
379    
380        void Sampler::RemoveTotalStreamCountListener(TotalStreamCountListener* l) {
381            llTotalStreamCountListeners.RemoveListener(l);
382        }
383    
384        void Sampler::fireTotalStreamCountChanged(int NewCount) {
385            for (int i = 0; i < llTotalStreamCountListeners.GetListenerCount(); i++) {
386                llTotalStreamCountListeners.GetListener(i)->TotalStreamCountChanged(NewCount);
387            }
388        }
389    
390        void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) {
391            llTotalVoiceCountListeners.AddListener(l);
392        }
393    
394        void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) {
395            llTotalVoiceCountListeners.RemoveListener(l);
396        }
397    
398        void Sampler::fireTotalVoiceCountChanged(int NewCount) {
399            for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) {
400                llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount);
401            }
402        }
403    
404        void Sampler::AddFxSendCountListener(FxSendCountListener* l) {
405            llFxSendCountListeners.AddListener(l);
406        }
407    
408        void Sampler::RemoveFxSendCountListener(FxSendCountListener* l) {
409            llFxSendCountListeners.RemoveListener(l);
410        }
411    
412        void Sampler::fireFxSendCountChanged(int ChannelId, int NewCount) {
413            for (int i = 0; i < llFxSendCountListeners.GetListenerCount(); i++) {
414                llFxSendCountListeners.GetListener(i)->FxSendCountChanged(ChannelId, NewCount);
415            }
416        }
417    
418        void Sampler::EventHandler::EngineToBeChanged(int ChannelId) {
419            // nothing to do here
420        }
421    
422        void Sampler::EventHandler::EngineChanged(int ChannelId) {
423            EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel();
424            if(engineChannel == NULL) return;
425            engineChannel->AddFxSendCountListener(this);
426        }
427    
428        void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) {
429            pSampler->fireFxSendCountChanged(ChannelId, NewCount);
430        }
431    
432    
433      SamplerChannel* Sampler::AddSamplerChannel() {      SamplerChannel* Sampler::AddSamplerChannel() {
434          // if there's no sampler channel yet          // if there's no sampler channel yet
435          if (!mSamplerChannels.size()) {          if (!mSamplerChannels.size()) {
436              SamplerChannel* pChannel = new SamplerChannel(this);              SamplerChannel* pChannel = new SamplerChannel(this);
437              mSamplerChannels[0] = pChannel;              mSamplerChannels[0] = pChannel;
438              LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, 1));              fireChannelAdded(pChannel);
439                fireChannelCountChanged(1);
440                pChannel->AddEngineChangeListener(&eventHandler);
441              return pChannel;              return pChannel;
442          }          }
443    
# Line 200  namespace LinuxSampler { Line 452  namespace LinuxSampler {
452                  // we found an unused index, so insert the new channel there                  // we found an unused index, so insert the new channel there
453                  SamplerChannel* pChannel = new SamplerChannel(this);                  SamplerChannel* pChannel = new SamplerChannel(this);
454                  mSamplerChannels[i] = pChannel;                  mSamplerChannels[i] = pChannel;
455                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, i));                  fireChannelAdded(pChannel);
456                    fireChannelCountChanged(SamplerChannels());
457                    pChannel->AddEngineChangeListener(&eventHandler);
458                  return pChannel;                  return pChannel;
459              }              }
460              throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index.");              throw Exception("Internal error: could not find unoccupied sampler channel index.");
461          }          }
462    
463          // we have not reached the index limit so we just add the channel past the highest index          // we have not reached the index limit so we just add the channel past the highest index
464          SamplerChannel* pChannel = new SamplerChannel(this);          SamplerChannel* pChannel = new SamplerChannel(this);
465          mSamplerChannels[lastIndex + 1] = pChannel;          mSamplerChannels[lastIndex + 1] = pChannel;
466          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, lastIndex + 1));          fireChannelAdded(pChannel);
467            fireChannelCountChanged(SamplerChannels());
468            pChannel->AddEngineChangeListener(&eventHandler);
469          return pChannel;          return pChannel;
470      }      }
471    
# Line 225  namespace LinuxSampler { Line 481  namespace LinuxSampler {
481          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();          SamplerChannelMap::iterator iterChan = mSamplerChannels.begin();
482          for (; iterChan != mSamplerChannels.end(); iterChan++) {          for (; iterChan != mSamplerChannels.end(); iterChan++) {
483              if (iterChan->second == pSamplerChannel) {              if (iterChan->second == pSamplerChannel) {
484                    fireChannelToBeRemoved(pSamplerChannel);
485                    pSamplerChannel->RemoveAllEngineChangeListeners();
486                  mSamplerChannels.erase(iterChan);                  mSamplerChannels.erase(iterChan);
487                  delete pSamplerChannel;                  delete pSamplerChannel;
488                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, mSamplerChannels.size()));                  fireChannelCountChanged(SamplerChannels());
489                  return;                  return;
490              }              }
491          }          }
# Line 243  namespace LinuxSampler { Line 501  namespace LinuxSampler {
501          return AudioOutputDeviceFactory::AvailableDrivers();          return AudioOutputDeviceFactory::AvailableDrivers();
502      }      }
503    
504      AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) {      std::vector<String> Sampler::AvailableMidiInputDrivers() {
505            return MidiInputDeviceFactory::AvailableDrivers();
506        }
507    
508        std::vector<String> Sampler::AvailableEngineTypes() {
509            return EngineFactory::AvailableEngineTypes();
510        }
511    
512        AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (Exception) {
513          // create new device          // create new device
514          AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters);          AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters);
515    
# Line 255  namespace LinuxSampler { Line 521  namespace LinuxSampler {
521              }              }
522          }          }
523    
524            fireAudioDeviceCountChanged(AudioOutputDevices());
525          return pDevice;          return pDevice;
526      }      }
527    
# Line 274  namespace LinuxSampler { Line 541  namespace LinuxSampler {
541          return mMidiInputDevices;          return mMidiInputDevices;
542      }      }
543    
544      void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (LinuxSamplerException) {      void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) {
545          AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin();          AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin();
546          for (; iter != mAudioOutputDevices.end(); iter++) {          for (; iter != mAudioOutputDevices.end(); iter++) {
547              if (iter->second == pDevice) {              if (iter->second == pDevice) {
548                  // check if there are still sampler engines connected to this device                  // check if there are still sampler engines connected to this device
549                  for (uint i = 0; i < SamplerChannels(); i++)                  for (uint i = 0; i < SamplerChannels(); i++)
550                      if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw LinuxSamplerException("Sampler channel " + ToString(i) + " is still connected to the audio output device.");                      if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the audio output device.");
551    
552                  // disable device                  // disable device
553                  pDevice->Stop();                  pDevice->Stop();
# Line 290  namespace LinuxSampler { Line 557  namespace LinuxSampler {
557    
558                  // destroy and free device from memory                  // destroy and free device from memory
559                  delete pDevice;                  delete pDevice;
560    
561                    fireAudioDeviceCountChanged(AudioOutputDevices());
562                    break;
563              }              }
564          }          }
565      }      }
566    
567      void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (LinuxSamplerException) {      void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) {
568          MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin();          MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin();
569          for (; iter != mMidiInputDevices.end(); iter++) {          for (; iter != mMidiInputDevices.end(); iter++) {
570              if (iter->second == pDevice) {              if (iter->second == pDevice) {
571                  // check if there are still sampler engines connected to this device                  // check if there are still sampler engines connected to this device
572                  for (uint i = 0; i < SamplerChannels(); i++)                  for (uint i = 0; i < SamplerChannels(); i++)
573                      if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw LinuxSamplerException("Sampler channel " + ToString(i) + " is still connected to the midi input device.");                      if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the midi input device.");
574    
575                    fireMidiDeviceToBeDestroyed(pDevice);
576    
577                  // disable device                  // disable device
578                  pDevice->StopListen();                  pDevice->StopListen();
# Line 310  namespace LinuxSampler { Line 582  namespace LinuxSampler {
582    
583                  // destroy and free device from memory                  // destroy and free device from memory
584                  delete pDevice;                  delete pDevice;
585    
586                    fireMidiDeviceCountChanged(MidiInputDevices());
587                    break;
588              }              }
589          }          }
590      }      }
591    
592      MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) {      MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (Exception) {
593          // create new device          // create new device
594          MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this);          MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this);
595    
# Line 326  namespace LinuxSampler { Line 601  namespace LinuxSampler {
601                  }                  }
602          }          }
603    
604            fireMidiDeviceCreated(pDevice);
605            fireMidiDeviceCountChanged(MidiInputDevices());
606          return pDevice;          return pDevice;
607      }      }
608    
609        int Sampler::GetDiskStreamCount() {
610            int count = 0;
611            std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
612    
613            for(; it != EngineFactory::EngineInstances().end(); it++) {
614                count += (*it)->DiskStreamCount();
615            }
616    
617            return count;
618        }
619    
620        int Sampler::GetVoiceCount() {
621            int count = 0;
622            std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
623    
624            for(; it != EngineFactory::EngineInstances().end(); it++) {
625                count += (*it)->VoiceCount();
626            }
627    
628            return count;
629        }
630    
631      void Sampler::Reset() {      void Sampler::Reset() {
632          // delete sampler channels          // delete sampler channels
633          try {          try {
# Line 368  namespace LinuxSampler { Line 667  namespace LinuxSampler {
667              std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush;              std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush;
668              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
669          }          }
670    
671            // delete MIDI instrument maps
672            try {
673                MidiInstrumentMapper::RemoveAllMaps();
674            }
675            catch(...) {
676                std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush;
677                exit(EXIT_FAILURE);
678            }
679    
680            // unload all instrument editor DLLs
681            InstrumentEditorFactory::ClosePlugins();
682        }
683    
684        bool Sampler::EnableDenormalsAreZeroMode() {
685            Features::detect();
686            return Features::enableDenormalsAreZeroMode();
687      }      }
688    
689  } // namespace LinuxSampler  } // namespace LinuxSampler
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