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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 - 2007 Christian Schoenebeck * |
* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
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* * |
* * |
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* This library is free software; you can redistribute it and/or modify * |
* This library is free software; you can redistribute it and/or modify * |
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* 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 * |
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} |
} |
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} |
} |
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fireEngineToBeChanged(); |
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// create new engine channel |
// create new engine channel |
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EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType); |
EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType); |
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if (!pNewEngineChannel) throw Exception("Unknown engine type"); |
if (!pNewEngineChannel) throw Exception("Unknown engine type"); |
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llEngineChangeListeners.RemoveAllListeners(); |
llEngineChangeListeners.RemoveAllListeners(); |
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} |
} |
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void SamplerChannel::fireEngineToBeChanged() { |
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for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) { |
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llEngineChangeListeners.GetListener(i)->EngineToBeChanged(Index()); |
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} |
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} |
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void SamplerChannel::fireEngineChanged() { |
void SamplerChannel::fireEngineChanged() { |
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for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) { |
for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) { |
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llEngineChangeListeners.GetListener(i)->EngineChanged(Index()); |
llEngineChangeListeners.GetListener(i)->EngineChanged(Index()); |
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} |
} |
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} |
} |
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void Sampler::fireChannelAdded(SamplerChannel* pChannel) { |
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for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { |
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llChannelCountListeners.GetListener(i)->ChannelAdded(pChannel); |
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} |
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} |
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void Sampler::fireChannelToBeRemoved(SamplerChannel* pChannel) { |
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for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { |
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llChannelCountListeners.GetListener(i)->ChannelToBeRemoved(pChannel); |
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} |
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} |
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void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) { |
void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) { |
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llAudioDeviceCountListeners.AddListener(l); |
llAudioDeviceCountListeners.AddListener(l); |
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} |
} |
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} |
} |
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} |
} |
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void Sampler::fireMidiDeviceToBeDestroyed(MidiInputDevice* pDevice) { |
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for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { |
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llMidiDeviceCountListeners.GetListener(i)->MidiDeviceToBeDestroyed(pDevice); |
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} |
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} |
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void Sampler::fireMidiDeviceCreated(MidiInputDevice* pDevice) { |
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for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { |
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llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCreated(pDevice); |
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} |
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} |
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void Sampler::AddVoiceCountListener(VoiceCountListener* l) { |
void Sampler::AddVoiceCountListener(VoiceCountListener* l) { |
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llVoiceCountListeners.AddListener(l); |
llVoiceCountListeners.AddListener(l); |
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} |
} |
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} |
} |
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} |
} |
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void Sampler::EventHandler::EngineToBeChanged(int ChannelId) { |
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// nothing to do here |
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} |
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void Sampler::EventHandler::EngineChanged(int ChannelId) { |
void Sampler::EventHandler::EngineChanged(int ChannelId) { |
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EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel(); |
EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel(); |
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if(engineChannel == NULL) return; |
if(engineChannel == NULL) return; |
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if (!mSamplerChannels.size()) { |
if (!mSamplerChannels.size()) { |
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SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
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mSamplerChannels[0] = pChannel; |
mSamplerChannels[0] = pChannel; |
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fireChannelAdded(pChannel); |
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fireChannelCountChanged(1); |
fireChannelCountChanged(1); |
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pChannel->AddEngineChangeListener(&eventHandler); |
pChannel->AddEngineChangeListener(&eventHandler); |
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return pChannel; |
return pChannel; |
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// we found an unused index, so insert the new channel there |
// we found an unused index, so insert the new channel there |
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SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
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mSamplerChannels[i] = pChannel; |
mSamplerChannels[i] = pChannel; |
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fireChannelAdded(pChannel); |
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fireChannelCountChanged(SamplerChannels()); |
fireChannelCountChanged(SamplerChannels()); |
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pChannel->AddEngineChangeListener(&eventHandler); |
pChannel->AddEngineChangeListener(&eventHandler); |
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return pChannel; |
return pChannel; |
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// 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 |
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SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
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mSamplerChannels[lastIndex + 1] = pChannel; |
mSamplerChannels[lastIndex + 1] = pChannel; |
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fireChannelAdded(pChannel); |
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fireChannelCountChanged(SamplerChannels()); |
fireChannelCountChanged(SamplerChannels()); |
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pChannel->AddEngineChangeListener(&eventHandler); |
pChannel->AddEngineChangeListener(&eventHandler); |
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return pChannel; |
return pChannel; |
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SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
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for (; iterChan != mSamplerChannels.end(); iterChan++) { |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
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if (iterChan->second == pSamplerChannel) { |
if (iterChan->second == pSamplerChannel) { |
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fireChannelToBeRemoved(pSamplerChannel); |
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pSamplerChannel->RemoveAllEngineChangeListeners(); |
pSamplerChannel->RemoveAllEngineChangeListeners(); |
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mSamplerChannels.erase(iterChan); |
mSamplerChannels.erase(iterChan); |
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delete pSamplerChannel; |
delete pSamplerChannel; |
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for (uint i = 0; i < SamplerChannels(); i++) |
for (uint i = 0; i < SamplerChannels(); i++) |
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if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw Exception("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."); |
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fireMidiDeviceToBeDestroyed(pDevice); |
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// disable device |
// disable device |
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pDevice->StopListen(); |
pDevice->StopListen(); |
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} |
} |
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} |
} |
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fireMidiDeviceCreated(pDevice); |
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fireMidiDeviceCountChanged(MidiInputDevices()); |
fireMidiDeviceCountChanged(MidiInputDevices()); |
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return pDevice; |
return pDevice; |
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} |
} |