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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, 2006 Christian Schoenebeck * |
* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
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* * |
* * |
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* This program 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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* the Free Software Foundation; either version 2 of the License, or * |
* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
* (at your option) any later version. * |
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* * |
* * |
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* This program is distributed in the hope that it will be useful, * |
* This library is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
* GNU General Public License for more details. * |
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* * |
* * |
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* You should have received a copy of the GNU General Public License * |
* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
* along with this library; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
* MA 02111-1307 USA * |
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***************************************************************************/ |
***************************************************************************/ |
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#include "Sampler.h" |
#include "Sampler.h" |
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#include "common/global_private.h" |
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#include "engines/EngineFactory.h" |
#include "engines/EngineFactory.h" |
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#include "engines/EngineChannelFactory.h" |
#include "engines/EngineChannelFactory.h" |
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|
#include "plugins/InstrumentEditorFactory.h" |
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#include "drivers/audio/AudioOutputDeviceFactory.h" |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
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#include "drivers/midi/MidiInputDeviceFactory.h" |
#include "drivers/midi/MidiInputDeviceFactory.h" |
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#include "network/lscpserver.h" |
#include "drivers/midi/MidiInstrumentMapper.h" |
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#include "common/Features.h" |
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namespace LinuxSampler { |
namespace LinuxSampler { |
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void SamplerChannel::SetEngineType(String EngineType) throw (Exception) { |
void SamplerChannel::SetEngineType(String EngineType) throw (Exception) { |
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dmsg(2,("SamplerChannel: Assigning engine type...")); |
dmsg(2,("SamplerChannel: Assigning engine type...")); |
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73 |
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if (pEngineChannel) { |
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if (!strcasecmp(pEngineChannel->EngineName().c_str(), EngineType.c_str())) { |
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dmsg(2,("OK\n")); |
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return; |
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} |
78 |
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} |
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fireEngineToBeChanged(); |
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|
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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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|
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//FIXME: hack to allow fast retrieval of engine channel's sampler channel index |
pNewEngineChannel->SetSamplerChannel(this); |
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pNewEngineChannel->iSamplerChannelIndex = Index(); |
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|
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// dereference midi input port. |
// dereference midi input port. |
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MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
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this->iMidiPort = 0; |
this->iMidiPort = 0; |
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|
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pEngineChannel->StatusChanged(true); |
pEngineChannel->StatusChanged(true); |
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fireEngineChanged(); |
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dmsg(2,("OK\n")); |
dmsg(2,("OK\n")); |
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} |
} |
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void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { |
void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { |
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if(pAudioOutputDevice == pDevice) return; |
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|
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// disconnect old device |
// disconnect old device |
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if (pAudioOutputDevice && pEngineChannel) { |
if (pAudioOutputDevice && pEngineChannel) { |
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Engine* engine = pEngineChannel->GetEngine(); |
Engine* engine = pEngineChannel->GetEngine(); |
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throw Exception("Internal error: SamplerChannel index not found"); |
throw Exception("Internal error: SamplerChannel index not found"); |
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} |
} |
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Sampler* SamplerChannel::GetSampler() { |
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return pSampler; |
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} |
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void SamplerChannel::AddEngineChangeListener(EngineChangeListener* l) { |
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llEngineChangeListeners.AddListener(l); |
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} |
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void SamplerChannel::RemoveEngineChangeListener(EngineChangeListener* l) { |
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llEngineChangeListeners.RemoveListener(l); |
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} |
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void SamplerChannel::RemoveAllEngineChangeListeners() { |
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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() { |
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for (int i = 0; i < llEngineChangeListeners.GetListenerCount(); i++) { |
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llEngineChangeListeners.GetListener(i)->EngineChanged(Index()); |
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} |
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} |
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MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) { |
MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) { |
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MidiInputPort* pMidiInputPort = NULL; |
MidiInputPort* pMidiInputPort = NULL; |
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MidiInputDevice* pMidiInputDevice = GetMidiInputDevice(); |
MidiInputDevice* pMidiInputDevice = GetMidiInputDevice(); |
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// * Sampler |
// * Sampler |
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|
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Sampler::Sampler() { |
Sampler::Sampler() { |
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eventHandler.SetSampler(this); |
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} |
} |
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Sampler::~Sampler() { |
Sampler::~Sampler() { |
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return mSamplerChannels.size(); |
return mSamplerChannels.size(); |
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} |
} |
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void Sampler::AddChannelCountListener(ChannelCountListener* l) { |
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llChannelCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveChannelCountListener(ChannelCountListener* l) { |
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llChannelCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireChannelCountChanged(int NewCount) { |
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for (int i = 0; i < llChannelCountListeners.GetListenerCount(); i++) { |
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llChannelCountListeners.GetListener(i)->ChannelCountChanged(NewCount); |
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} |
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} |
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285 |
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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) { |
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llAudioDeviceCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveAudioDeviceCountListener(AudioDeviceCountListener* l) { |
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llAudioDeviceCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireAudioDeviceCountChanged(int NewCount) { |
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for (int i = 0; i < llAudioDeviceCountListeners.GetListenerCount(); i++) { |
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llAudioDeviceCountListeners.GetListener(i)->AudioDeviceCountChanged(NewCount); |
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} |
309 |
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} |
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void Sampler::AddMidiDeviceCountListener(MidiDeviceCountListener* l) { |
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llMidiDeviceCountListeners.AddListener(l); |
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} |
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315 |
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void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) { |
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llMidiDeviceCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireMidiDeviceCountChanged(int NewCount) { |
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for (int i = 0; i < llMidiDeviceCountListeners.GetListenerCount(); i++) { |
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llMidiDeviceCountListeners.GetListener(i)->MidiDeviceCountChanged(NewCount); |
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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) { |
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llVoiceCountListeners.AddListener(l); |
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} |
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341 |
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void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) { |
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llVoiceCountListeners.RemoveListener(l); |
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} |
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345 |
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void Sampler::fireVoiceCountChanged(int ChannelId, int NewCount) { |
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for (int i = 0; i < llVoiceCountListeners.GetListenerCount(); i++) { |
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llVoiceCountListeners.GetListener(i)->VoiceCountChanged(ChannelId, NewCount); |
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} |
349 |
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} |
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void Sampler::AddStreamCountListener(StreamCountListener* l) { |
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llStreamCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveStreamCountListener(StreamCountListener* l) { |
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llStreamCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireStreamCountChanged(int ChannelId, int NewCount) { |
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for (int i = 0; i < llStreamCountListeners.GetListenerCount(); i++) { |
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llStreamCountListeners.GetListener(i)->StreamCountChanged(ChannelId, NewCount); |
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} |
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} |
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void Sampler::AddBufferFillListener(BufferFillListener* l) { |
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llBufferFillListeners.AddListener(l); |
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} |
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369 |
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void Sampler::RemoveBufferFillListener(BufferFillListener* l) { |
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llBufferFillListeners.RemoveListener(l); |
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} |
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373 |
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void Sampler::fireBufferFillChanged(int ChannelId, String FillData) { |
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for (int i = 0; i < llBufferFillListeners.GetListenerCount(); i++) { |
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llBufferFillListeners.GetListener(i)->BufferFillChanged(ChannelId, FillData); |
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} |
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} |
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void Sampler::AddTotalStreamCountListener(TotalStreamCountListener* l) { |
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llTotalStreamCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveTotalStreamCountListener(TotalStreamCountListener* l) { |
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llTotalStreamCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireTotalStreamCountChanged(int NewCount) { |
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for (int i = 0; i < llTotalStreamCountListeners.GetListenerCount(); i++) { |
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llTotalStreamCountListeners.GetListener(i)->TotalStreamCountChanged(NewCount); |
390 |
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} |
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} |
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void Sampler::AddTotalVoiceCountListener(TotalVoiceCountListener* l) { |
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llTotalVoiceCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) { |
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llTotalVoiceCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireTotalVoiceCountChanged(int NewCount) { |
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for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) { |
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llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount); |
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} |
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} |
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void Sampler::AddFxSendCountListener(FxSendCountListener* l) { |
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llFxSendCountListeners.AddListener(l); |
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} |
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void Sampler::RemoveFxSendCountListener(FxSendCountListener* l) { |
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llFxSendCountListeners.RemoveListener(l); |
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} |
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void Sampler::fireFxSendCountChanged(int ChannelId, int NewCount) { |
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for (int i = 0; i < llFxSendCountListeners.GetListenerCount(); i++) { |
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llFxSendCountListeners.GetListener(i)->FxSendCountChanged(ChannelId, NewCount); |
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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 |
423 |
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} |
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425 |
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void Sampler::EventHandler::EngineChanged(int ChannelId) { |
426 |
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EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel(); |
427 |
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if(engineChannel == NULL) return; |
428 |
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engineChannel->AddFxSendCountListener(this); |
429 |
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} |
430 |
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431 |
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void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) { |
432 |
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pSampler->fireFxSendCountChanged(ChannelId, NewCount); |
433 |
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} |
434 |
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435 |
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436 |
SamplerChannel* Sampler::AddSamplerChannel() { |
SamplerChannel* Sampler::AddSamplerChannel() { |
437 |
// if there's no sampler channel yet |
// if there's no sampler channel yet |
438 |
if (!mSamplerChannels.size()) { |
if (!mSamplerChannels.size()) { |
439 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
440 |
mSamplerChannels[0] = pChannel; |
mSamplerChannels[0] = pChannel; |
441 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, 1)); |
fireChannelAdded(pChannel); |
442 |
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fireChannelCountChanged(1); |
443 |
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pChannel->AddEngineChangeListener(&eventHandler); |
444 |
return pChannel; |
return pChannel; |
445 |
} |
} |
446 |
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|
455 |
// we found an unused index, so insert the new channel there |
// we found an unused index, so insert the new channel there |
456 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
457 |
mSamplerChannels[i] = pChannel; |
mSamplerChannels[i] = pChannel; |
458 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, i)); |
fireChannelAdded(pChannel); |
459 |
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fireChannelCountChanged(SamplerChannels()); |
460 |
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pChannel->AddEngineChangeListener(&eventHandler); |
461 |
return pChannel; |
return pChannel; |
462 |
} |
} |
463 |
throw Exception("Internal error: could not find unoccupied sampler channel index."); |
throw Exception("Internal error: could not find unoccupied sampler channel index."); |
466 |
// 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 |
467 |
SamplerChannel* pChannel = new SamplerChannel(this); |
SamplerChannel* pChannel = new SamplerChannel(this); |
468 |
mSamplerChannels[lastIndex + 1] = pChannel; |
mSamplerChannels[lastIndex + 1] = pChannel; |
469 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, lastIndex + 1)); |
fireChannelAdded(pChannel); |
470 |
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fireChannelCountChanged(SamplerChannels()); |
471 |
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pChannel->AddEngineChangeListener(&eventHandler); |
472 |
return pChannel; |
return pChannel; |
473 |
} |
} |
474 |
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|
484 |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
485 |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
486 |
if (iterChan->second == pSamplerChannel) { |
if (iterChan->second == pSamplerChannel) { |
487 |
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fireChannelToBeRemoved(pSamplerChannel); |
488 |
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pSamplerChannel->RemoveAllEngineChangeListeners(); |
489 |
mSamplerChannels.erase(iterChan); |
mSamplerChannels.erase(iterChan); |
490 |
delete pSamplerChannel; |
delete pSamplerChannel; |
491 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, mSamplerChannels.size())); |
fireChannelCountChanged(SamplerChannels()); |
492 |
return; |
return; |
493 |
} |
} |
494 |
} |
} |
524 |
} |
} |
525 |
} |
} |
526 |
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|
527 |
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fireAudioDeviceCountChanged(AudioOutputDevices()); |
528 |
return pDevice; |
return pDevice; |
529 |
} |
} |
530 |
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|
561 |
// destroy and free device from memory |
// destroy and free device from memory |
562 |
delete pDevice; |
delete pDevice; |
563 |
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|
564 |
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fireAudioDeviceCountChanged(AudioOutputDevices()); |
565 |
break; |
break; |
566 |
} |
} |
567 |
} |
} |
575 |
for (uint i = 0; i < SamplerChannels(); i++) |
for (uint i = 0; i < SamplerChannels(); i++) |
576 |
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."); |
577 |
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|
578 |
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fireMidiDeviceToBeDestroyed(pDevice); |
579 |
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|
580 |
// disable device |
// disable device |
581 |
pDevice->StopListen(); |
pDevice->StopListen(); |
582 |
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|
586 |
// destroy and free device from memory |
// destroy and free device from memory |
587 |
delete pDevice; |
delete pDevice; |
588 |
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|
589 |
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fireMidiDeviceCountChanged(MidiInputDevices()); |
590 |
break; |
break; |
591 |
} |
} |
592 |
} |
} |
604 |
} |
} |
605 |
} |
} |
606 |
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|
607 |
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fireMidiDeviceCreated(pDevice); |
608 |
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fireMidiDeviceCountChanged(MidiInputDevices()); |
609 |
return pDevice; |
return pDevice; |
610 |
} |
} |
611 |
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|
612 |
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int Sampler::GetDiskStreamCount() { |
613 |
|
int count = 0; |
614 |
|
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
615 |
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|
616 |
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for(; it != EngineFactory::EngineInstances().end(); it++) { |
617 |
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count += (*it)->DiskStreamCount(); |
618 |
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} |
619 |
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|
620 |
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return count; |
621 |
|
} |
622 |
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|
623 |
int Sampler::GetVoiceCount() { |
int Sampler::GetVoiceCount() { |
624 |
int count = 0; |
int count = 0; |
625 |
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
670 |
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; |
671 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
672 |
} |
} |
673 |
|
|
674 |
|
// delete MIDI instrument maps |
675 |
|
try { |
676 |
|
MidiInstrumentMapper::RemoveAllMaps(); |
677 |
|
} |
678 |
|
catch(...) { |
679 |
|
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush; |
680 |
|
exit(EXIT_FAILURE); |
681 |
|
} |
682 |
|
|
683 |
|
// unload all instrument editor DLLs |
684 |
|
InstrumentEditorFactory::ClosePlugins(); |
685 |
|
} |
686 |
|
|
687 |
|
bool Sampler::EnableDenormalsAreZeroMode() { |
688 |
|
Features::detect(); |
689 |
|
return Features::enableDenormalsAreZeroMode(); |
690 |
} |
} |
691 |
|
|
692 |
} // namespace LinuxSampler |
} // namespace LinuxSampler |