/[svn]/linuxsampler/trunk/src/Sampler.cpp
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Diff of /linuxsampler/trunk/src/Sampler.cpp

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revision 1934 by schoenebeck, Sun Jul 12 10:35:55 2009 UTC revision 2123 by schoenebeck, Wed Sep 15 10:04:07 2010 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 - 2010 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This library 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  *
# Line 88  namespace LinuxSampler { Line 88  namespace LinuxSampler {
88    
89          // dereference midi input port.          // dereference midi input port.
90          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
91            midi_chan_t midiChannel = GetMidiInputChannel();
92          // disconnect old engine channel          // disconnect old engine channel
93          if (pEngineChannel) {          if (pEngineChannel) {
94              Engine* engine = pEngineChannel->GetEngine();              Engine* engine = pEngineChannel->GetEngine();
# Line 107  namespace LinuxSampler { Line 108  namespace LinuxSampler {
108              pNewEngineChannel->Connect(pAudioOutputDevice);              pNewEngineChannel->Connect(pAudioOutputDevice);
109              pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());              pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());
110          }          }
111          if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel());          if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, midiChannel);
112          pEngineChannel = pNewEngineChannel;          pEngineChannel = pNewEngineChannel;
113    
114          // from now on get MIDI device and port from EngineChannel object          // from now on get MIDI device and port from EngineChannel object
# Line 119  namespace LinuxSampler { Line 120  namespace LinuxSampler {
120          dmsg(2,("OK\n"));          dmsg(2,("OK\n"));
121      }      }
122    
123      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) {
124          if(pAudioOutputDevice == pDevice) return;          if(pAudioOutputDevice == pDevice) return;
125    
126          // disconnect old device          // disconnect old device
127          if (pAudioOutputDevice && pEngineChannel) {          if (pAudioOutputDevice && pEngineChannel) {
128                if (!pAudioOutputDevice->isAutonomousDevice())
129                    throw Exception("The audio output device '" + pAudioOutputDevice->Driver() + "' cannot be dropped from this sampler channel!");
130    
131              Engine* engine = pEngineChannel->GetEngine();              Engine* engine = pEngineChannel->GetEngine();
132              pAudioOutputDevice->Disconnect(engine);              pAudioOutputDevice->Disconnect(engine);
133    
# Line 142  namespace LinuxSampler { Line 146  namespace LinuxSampler {
146          }          }
147      }      }
148    
149      void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) {      void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) {
150         SetMidiInput(pDevice, 0, GetMidiInputChannel());         SetMidiInput(pDevice, 0, GetMidiInputChannel());
151      }      }
152    
153      void SamplerChannel::SetMidiInputPort(int MidiPort) {      void SamplerChannel::SetMidiInputPort(int MidiPort) throw (Exception) {
154         SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel());         SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel());
155      }      }
156    
# Line 154  namespace LinuxSampler { Line 158  namespace LinuxSampler {
158         SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel);         SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel);
159      }      }
160    
161      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) {      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) throw (Exception) {
162          if (!pDevice) throw Exception("No MIDI input device assigned.");          if (!pDevice) throw Exception("No MIDI input device assigned.");
163    
164          // get old and new midi input port          // get old and new midi input port
# Line 162  namespace LinuxSampler { Line 166  namespace LinuxSampler {
166          MidiInputPort* pNewMidiInputPort = pDevice->GetPort(iMidiPort);          MidiInputPort* pNewMidiInputPort = pDevice->GetPort(iMidiPort);
167    
168          // disconnect old device port          // disconnect old device port
169          if (pOldMidiInputPort && pEngineChannel) pOldMidiInputPort->Disconnect(pEngineChannel);          if (pOldMidiInputPort && pEngineChannel) {
170                MidiInputDevice* pOldDevice = pOldMidiInputPort->GetDevice();
171                if (pOldMidiInputPort != pNewMidiInputPort &&
172                    pOldDevice && !pOldDevice->isAutonomousDevice()
173                ) throw Exception("The MIDI input port '" + pOldDevice->Driver() + "' cannot be altered on this sampler channel!");
174    
175                pOldMidiInputPort->Disconnect(pEngineChannel);
176            }
177    
178          // remember new device, port and channel if not engine channel yet created          // remember new device, port and channel if not engine channel yet created
179          if (!pEngineChannel) {          if (!pEngineChannel) {
180              this->pMidiInputDevice = pDevice;              this->pMidiInputDevice = pDevice;
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