/[svn]/linuxsampler/trunk/src/Sampler.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/Sampler.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 411 by schoenebeck, Sat Feb 26 02:01:14 2005 UTC revision 846 by persson, Sun Mar 19 16:38:22 2006 UTC
# Line 25  Line 25 
25    
26  #include "Sampler.h"  #include "Sampler.h"
27    
28    #include "engines/EngineFactory.h"
29  #include "engines/EngineChannelFactory.h"  #include "engines/EngineChannelFactory.h"
30  #include "drivers/audio/AudioOutputDeviceFactory.h"  #include "drivers/audio/AudioOutputDeviceFactory.h"
31  #include "drivers/midi/MidiInputDeviceFactory.h"  #include "drivers/midi/MidiInputDeviceFactory.h"
# Line 38  namespace LinuxSampler { Line 39  namespace LinuxSampler {
39      SamplerChannel::SamplerChannel(Sampler* pS) {      SamplerChannel::SamplerChannel(Sampler* pS) {
40          pSampler           = pS;          pSampler           = pS;
41          pEngineChannel     = NULL;          pEngineChannel     = NULL;
         pMidiInputDevice   = NULL;  
42          pAudioOutputDevice = NULL;          pAudioOutputDevice = NULL;
43          midiPort           = 0;          pMidiInputDevice   = NULL;
44          midiChannel        = MidiInputPort::midi_chan_all;          iMidiPort          = 0;
45            midiChannel        = midi_chan_all;
46          iIndex             = -1;          iIndex             = -1;
47      }      }
48    
49      SamplerChannel::~SamplerChannel() {      SamplerChannel::~SamplerChannel() {
50          if (pEngineChannel) {          if (pEngineChannel) {
51              MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort);              Engine* engine = pEngineChannel->GetEngine();
52                if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine);
53    
54                MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel());
55              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);
56              if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(pEngineChannel);              if (pEngineChannel) {
57              delete pEngineChannel;                  if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();
58                    EngineChannelFactory::Destroy(pEngineChannel);
59    
60                    // reconnect engine if it still exists
61                    const std::set<Engine*>& engines = EngineFactory::EngineInstances();
62                    if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
63                }
64          }          }
65      }      }
66    
# Line 61  namespace LinuxSampler { Line 71  namespace LinuxSampler {
71          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);          EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType);
72          if (!pNewEngineChannel) throw LinuxSamplerException("Unknown engine type");          if (!pNewEngineChannel) throw LinuxSamplerException("Unknown engine type");
73    
74            //FIXME: hack to allow fast retrieval of engine channel's sampler channel index
75            pNewEngineChannel->iSamplerChannelIndex = Index();
76    
77          // dereference midi input port.          // dereference midi input port.
78          MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort);          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
79          // disconnect old engine          // disconnect old engine channel
80          if (pEngineChannel) {          if (pEngineChannel) {
81                Engine* engine = pEngineChannel->GetEngine();
82                if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine);
83    
84              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);
85              if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(pEngineChannel);              if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();
86              delete pEngineChannel;              EngineChannelFactory::Destroy(pEngineChannel);
87    
88                // reconnect engine if it still exists
89                const std::set<Engine*>& engines = EngineFactory::EngineInstances();
90                if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
91          }          }
92    
93          // connect new engine channel          // connect new engine channel
94            if (pAudioOutputDevice) {
95                pNewEngineChannel->Connect(pAudioOutputDevice);
96                pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());
97            }
98            if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel());
99          pEngineChannel = pNewEngineChannel;          pEngineChannel = pNewEngineChannel;
100          if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, this->midiChannel);  
101          if (pAudioOutputDevice) pAudioOutputDevice->Connect(pNewEngineChannel);          // from now on get MIDI device and port from EngineChannel object
102            this->pMidiInputDevice = NULL;
103            this->iMidiPort        = 0;
104    
105            pEngineChannel->StatusChanged(true);
106    
107          dmsg(2,("OK\n"));          dmsg(2,("OK\n"));
108      }      }
109    
110      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {      void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) {
111          // disconnect old device          // disconnect old device
112          if (pAudioOutputDevice && pEngineChannel) pAudioOutputDevice->Disconnect(pEngineChannel);          if (pAudioOutputDevice && pEngineChannel) {
113                Engine* engine = pEngineChannel->GetEngine();
114                pAudioOutputDevice->Disconnect(engine);
115    
116                pEngineChannel->DisconnectAudioOutputDevice();
117    
118                // reconnect engine if it still exists
119                const std::set<Engine*>& engines = EngineFactory::EngineInstances();
120                if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine);
121            }
122    
123          // connect new device          // connect new device
124          pAudioOutputDevice = pDevice;          pAudioOutputDevice = pDevice;
125          if (pEngineChannel) pAudioOutputDevice->Connect(pEngineChannel);          if (pEngineChannel) {
126                pEngineChannel->Connect(pAudioOutputDevice);
127                pAudioOutputDevice->Connect(pEngineChannel->GetEngine());
128            }
129      }      }
130    
131      void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) {      void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) {
132         SetMidiInput(pDevice, this->midiPort, this->midiChannel);         SetMidiInput(pDevice, 0, GetMidiInputChannel());
133      }      }
134    
135      void SamplerChannel::SetMidiInputPort(int MidiPort) {      void SamplerChannel::SetMidiInputPort(int MidiPort) {
136         SetMidiInput(pMidiInputDevice, MidiPort, this->midiChannel);         SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel());
137      }      }
138    
139      void SamplerChannel::SetMidiInputChannel(MidiInputPort::midi_chan_t MidiChannel) {      void SamplerChannel::SetMidiInputChannel(midi_chan_t MidiChannel) {
140         SetMidiInput(pMidiInputDevice, this->midiPort, MidiChannel);         SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel);
141      }      }
142    
143      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, MidiInputPort::midi_chan_t MidiChannel) {      void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) {
144          // dereference old midi input port.          if (!pDevice) throw LinuxSamplerException("No MIDI input device assigned.");
145          MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort);  
146            // get old and new midi input port
147            MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
148            MidiInputPort* pNewMidiInputPort = pDevice->GetPort(iMidiPort);
149    
150          // disconnect old device port          // disconnect old device port
151          if (pMidiInputPort && pEngineChannel) pMidiInputPort->Disconnect(pEngineChannel);          if (pOldMidiInputPort && pEngineChannel) pOldMidiInputPort->Disconnect(pEngineChannel);
152          // new device, port and channel          // remember new device, port and channel if not engine channel yet created
153          pMidiInputDevice = pDevice;          if (!pEngineChannel) {
154          this->midiPort = iMidiPort;              this->pMidiInputDevice = pDevice;
155          this->midiChannel = MidiChannel;              this->iMidiPort        = iMidiPort;
156                this->midiChannel      = MidiChannel;
157            }
158    
159          // connect new device port          // connect new device port
160          pMidiInputPort = GetMidiInputDevicePort(this->midiPort);          if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel);
         if (pMidiInputPort && pEngineChannel) pMidiInputPort->Connect(pEngineChannel, MidiChannel);  
161          // Ooops.          // Ooops.
162          if (pMidiInputPort == NULL)          if (pNewMidiInputPort == NULL)
163              throw LinuxSamplerException("There is no MIDI input port with index " + ToString(iMidiPort) + ".");              throw LinuxSamplerException("There is no MIDI input port with index " + ToString(iMidiPort) + ".");
164      }      }
165    
# Line 118  namespace LinuxSampler { Line 167  namespace LinuxSampler {
167          return pEngineChannel;          return pEngineChannel;
168      }      }
169    
170      MidiInputPort::midi_chan_t SamplerChannel::GetMidiInputChannel() {      midi_chan_t SamplerChannel::GetMidiInputChannel() {
171            if (pEngineChannel) this->midiChannel = pEngineChannel->MidiChannel();
172          return this->midiChannel;          return this->midiChannel;
173      }      }
174    
175      int SamplerChannel::GetMidiInputPort() {      int SamplerChannel::GetMidiInputPort() {
176          MidiInputPort* pMidiInputPort = GetMidiInputDevicePort(this->midiPort);          MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : NULL;
177          return (pMidiInputPort ? (int) pMidiInputPort->GetPortNumber() : -1);          if (pMidiInputPort) this->iMidiPort = (int) pMidiInputPort->GetPortNumber();
178            return iMidiPort;
179      }      }
180    
181      AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() {      AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() {
# Line 132  namespace LinuxSampler { Line 183  namespace LinuxSampler {
183      }      }
184    
185      MidiInputDevice* SamplerChannel::GetMidiInputDevice() {      MidiInputDevice* SamplerChannel::GetMidiInputDevice() {
186            if (pEngineChannel)
187                pMidiInputDevice = (pEngineChannel->GetMidiInputPort()) ? pEngineChannel->GetMidiInputPort()->GetDevice() : NULL;
188          return pMidiInputDevice;          return pMidiInputDevice;
189      }      }
190    
# Line 149  namespace LinuxSampler { Line 202  namespace LinuxSampler {
202          throw LinuxSamplerException("Internal error: SamplerChannel index not found");          throw LinuxSamplerException("Internal error: SamplerChannel index not found");
203      }      }
204    
205      MidiInputPort* SamplerChannel::GetMidiInputDevicePort(int iMidiPort) {      MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) {
206          MidiInputPort* pMidiInputPort = NULL;          MidiInputPort* pMidiInputPort = NULL;
207            MidiInputDevice* pMidiInputDevice = GetMidiInputDevice();
208          if (pMidiInputDevice)          if (pMidiInputDevice)
209              pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort);              pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort);
210          return pMidiInputPort;          return pMidiInputPort;
# Line 177  namespace LinuxSampler { Line 231  namespace LinuxSampler {
231          if (!mSamplerChannels.size()) {          if (!mSamplerChannels.size()) {
232              SamplerChannel* pChannel = new SamplerChannel(this);              SamplerChannel* pChannel = new SamplerChannel(this);
233              mSamplerChannels[0] = pChannel;              mSamplerChannels[0] = pChannel;
234              LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, 1));              LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, 1));
235              return pChannel;              return pChannel;
236          }          }
237    
# Line 192  namespace LinuxSampler { Line 246  namespace LinuxSampler {
246                  // we found an unused index, so insert the new channel there                  // we found an unused index, so insert the new channel there
247                  SamplerChannel* pChannel = new SamplerChannel(this);                  SamplerChannel* pChannel = new SamplerChannel(this);
248                  mSamplerChannels[i] = pChannel;                  mSamplerChannels[i] = pChannel;
249                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, i));                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, i));
250                  return pChannel;                  return pChannel;
251              }              }
252              throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index.");              throw LinuxSamplerException("Internal error: could not find unoccupied sampler channel index.");
# Line 201  namespace LinuxSampler { Line 255  namespace LinuxSampler {
255          // 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
256          SamplerChannel* pChannel = new SamplerChannel(this);          SamplerChannel* pChannel = new SamplerChannel(this);
257          mSamplerChannels[lastIndex + 1] = pChannel;          mSamplerChannels[lastIndex + 1] = pChannel;
258          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, lastIndex + 1));          LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, lastIndex + 1));
259          return pChannel;          return pChannel;
260      }      }
261    
# Line 219  namespace LinuxSampler { Line 273  namespace LinuxSampler {
273              if (iterChan->second == pSamplerChannel) {              if (iterChan->second == pSamplerChannel) {
274                  mSamplerChannels.erase(iterChan);                  mSamplerChannels.erase(iterChan);
275                  delete pSamplerChannel;                  delete pSamplerChannel;
276                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channels, mSamplerChannels.size()));                  LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, mSamplerChannels.size()));
277                  return;                  return;
278              }              }
279          }          }
# Line 282  namespace LinuxSampler { Line 336  namespace LinuxSampler {
336    
337                  // destroy and free device from memory                  // destroy and free device from memory
338                  delete pDevice;                  delete pDevice;
339    
340                    break;
341              }              }
342          }          }
343      }      }
# Line 302  namespace LinuxSampler { Line 358  namespace LinuxSampler {
358    
359                  // destroy and free device from memory                  // destroy and free device from memory
360                  delete pDevice;                  delete pDevice;
361    
362                    break;
363              }              }
364          }          }
365      }      }
366    
367      MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) {      MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (LinuxSamplerException) {
368          // create new device          // create new device
369          MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters);          MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this);
370    
371          // add new device to the midi device list          // add new device to the midi device list
372          for (uint i = 0; ; i++) { // seek for a free place starting from the beginning          for (uint i = 0; ; i++) { // seek for a free place starting from the beginning
# Line 321  namespace LinuxSampler { Line 379  namespace LinuxSampler {
379          return pDevice;          return pDevice;
380      }      }
381    
382        int Sampler::GetVoiceCount() {
383            int count = 0;
384            std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin();
385    
386            for(; it != EngineFactory::EngineInstances().end(); it++) {
387                count += (*it)->VoiceCount();
388            }
389    
390            return count;
391        }
392    
393      void Sampler::Reset() {      void Sampler::Reset() {
394          // delete sampler channels          // delete sampler channels
395          try {          try {
Legend:
Removed from v.411  
changed lines
  Added in v.846
  ViewVC Help
Powered by ViewVC