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

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revision 675 by schoenebeck, Wed Jun 22 22:09:28 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 47  namespace LinuxSampler { Line 48  namespace LinuxSampler {
48    
49      SamplerChannel::~SamplerChannel() {      SamplerChannel::~SamplerChannel() {
50          if (pEngineChannel) {          if (pEngineChannel) {
51                Engine* engine = pEngineChannel->GetEngine();
52                if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine);
53    
54              MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel());              MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel());
55              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);              if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel);
56              if (pEngineChannel) {              if (pEngineChannel) {
57                  if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();                  if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();
58                  EngineChannelFactory::Destroy(pEngineChannel);                  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      }      }
# Line 70  namespace LinuxSampler { Line 78  namespace LinuxSampler {
78          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());          MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort());
79          // disconnect old engine channel          // 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) pEngineChannel->DisconnectAudioOutputDevice();              if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice();
86              EngineChannelFactory::Destroy(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
         if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel());  
94          if (pAudioOutputDevice) {          if (pAudioOutputDevice) {
95              pNewEngineChannel->Connect(pAudioOutputDevice);              pNewEngineChannel->Connect(pAudioOutputDevice);
96              pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());              pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine());
97          }          }
98            if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel());
99          pEngineChannel = pNewEngineChannel;          pEngineChannel = pNewEngineChannel;
100    
101          // from now on get MIDI device and port from EngineChannel object          // from now on get MIDI device and port from EngineChannel object
102          this->pMidiInputDevice = NULL;          this->pMidiInputDevice = NULL;
103          this->iMidiPort        = 0;          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) pEngineChannel->DisconnectAudioOutputDevice();          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) {          if (pEngineChannel) {
# Line 309  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 329  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      }      }
# Line 348  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 {
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