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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* 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 * |
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* 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 * |
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* (at your option) any later version. * |
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* * |
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* 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 * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* 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 * |
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* along with this library; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#include <sstream> |
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|
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#include "Sampler.h" |
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|
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#include "common/global_private.h" |
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#include "engines/EngineFactory.h" |
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#include "engines/EngineChannelFactory.h" |
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#include "plugins/InstrumentEditorFactory.h" |
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#include "drivers/audio/AudioOutputDeviceFactory.h" |
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#include "drivers/midi/MidiInputDeviceFactory.h" |
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#include "drivers/midi/MidiInstrumentMapper.h" |
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|
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namespace LinuxSampler { |
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|
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// ****************************************************************** |
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// * SamplerChannel |
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|
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SamplerChannel::SamplerChannel(Sampler* pS) { |
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pSampler = pS; |
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pEngineChannel = NULL; |
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pAudioOutputDevice = NULL; |
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pMidiInputDevice = NULL; |
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iMidiPort = 0; |
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midiChannel = midi_chan_all; |
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iIndex = -1; |
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} |
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|
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SamplerChannel::~SamplerChannel() { |
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if (pEngineChannel) { |
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Engine* engine = pEngineChannel->GetEngine(); |
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if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); |
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|
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MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : __GetMidiInputDevicePort(GetMidiInputChannel()); |
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if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); |
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if (pEngineChannel) { |
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if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); |
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EngineChannelFactory::Destroy(pEngineChannel); |
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|
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// reconnect engine if it still exists |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
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} |
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} |
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} |
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|
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void SamplerChannel::SetEngineType(String EngineType) throw (Exception) { |
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dmsg(2,("SamplerChannel: Assigning engine type...")); |
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|
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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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} |
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} |
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|
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fireEngineToBeChanged(); |
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|
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// create new engine channel |
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EngineChannel* pNewEngineChannel = EngineChannelFactory::Create(EngineType); |
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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 |
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pNewEngineChannel->iSamplerChannelIndex = Index(); |
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|
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// dereference midi input port. |
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MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
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// disconnect old engine channel |
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if (pEngineChannel) { |
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Engine* engine = pEngineChannel->GetEngine(); |
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if (pAudioOutputDevice) pAudioOutputDevice->Disconnect(engine); |
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|
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if (pMidiInputPort) pMidiInputPort->Disconnect(pEngineChannel); |
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if (pAudioOutputDevice) pEngineChannel->DisconnectAudioOutputDevice(); |
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EngineChannelFactory::Destroy(pEngineChannel); |
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|
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// reconnect engine if it still exists |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
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} |
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|
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// connect new engine channel |
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if (pAudioOutputDevice) { |
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pNewEngineChannel->Connect(pAudioOutputDevice); |
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pAudioOutputDevice->Connect(pNewEngineChannel->GetEngine()); |
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} |
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if (pMidiInputPort) pMidiInputPort->Connect(pNewEngineChannel, GetMidiInputChannel()); |
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pEngineChannel = pNewEngineChannel; |
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|
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// from now on get MIDI device and port from EngineChannel object |
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this->pMidiInputDevice = NULL; |
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this->iMidiPort = 0; |
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|
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pEngineChannel->StatusChanged(true); |
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fireEngineChanged(); |
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dmsg(2,("OK\n")); |
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} |
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|
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void SamplerChannel::SetAudioOutputDevice(AudioOutputDevice* pDevice) { |
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if(pAudioOutputDevice == pDevice) return; |
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|
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// disconnect old device |
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if (pAudioOutputDevice && pEngineChannel) { |
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Engine* engine = pEngineChannel->GetEngine(); |
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pAudioOutputDevice->Disconnect(engine); |
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|
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pEngineChannel->DisconnectAudioOutputDevice(); |
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|
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// reconnect engine if it still exists |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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if (engines.find(engine) != engines.end()) pAudioOutputDevice->Connect(engine); |
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} |
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|
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// connect new device |
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pAudioOutputDevice = pDevice; |
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if (pEngineChannel) { |
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pEngineChannel->Connect(pAudioOutputDevice); |
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pAudioOutputDevice->Connect(pEngineChannel->GetEngine()); |
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} |
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} |
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|
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void SamplerChannel::SetMidiInputDevice(MidiInputDevice* pDevice) { |
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SetMidiInput(pDevice, 0, GetMidiInputChannel()); |
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} |
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|
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void SamplerChannel::SetMidiInputPort(int MidiPort) { |
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SetMidiInput(GetMidiInputDevice(), MidiPort, GetMidiInputChannel()); |
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} |
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|
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void SamplerChannel::SetMidiInputChannel(midi_chan_t MidiChannel) { |
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SetMidiInput(GetMidiInputDevice(), GetMidiInputPort(), MidiChannel); |
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} |
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|
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void SamplerChannel::SetMidiInput(MidiInputDevice* pDevice, int iMidiPort, midi_chan_t MidiChannel) { |
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if (!pDevice) throw Exception("No MIDI input device assigned."); |
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|
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// get old and new midi input port |
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MidiInputPort* pOldMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
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MidiInputPort* pNewMidiInputPort = pDevice->GetPort(iMidiPort); |
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|
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// disconnect old device port |
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if (pOldMidiInputPort && pEngineChannel) pOldMidiInputPort->Disconnect(pEngineChannel); |
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// remember new device, port and channel if not engine channel yet created |
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if (!pEngineChannel) { |
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this->pMidiInputDevice = pDevice; |
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this->iMidiPort = iMidiPort; |
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this->midiChannel = MidiChannel; |
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} |
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|
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// connect new device port |
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if (pNewMidiInputPort && pEngineChannel) pNewMidiInputPort->Connect(pEngineChannel, MidiChannel); |
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// Ooops. |
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if (pNewMidiInputPort == NULL) |
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throw Exception("There is no MIDI input port with index " + ToString(iMidiPort) + "."); |
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} |
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|
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EngineChannel* SamplerChannel::GetEngineChannel() { |
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return pEngineChannel; |
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} |
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|
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midi_chan_t SamplerChannel::GetMidiInputChannel() { |
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if (pEngineChannel) this->midiChannel = pEngineChannel->MidiChannel(); |
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return this->midiChannel; |
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} |
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|
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int SamplerChannel::GetMidiInputPort() { |
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MidiInputPort* pMidiInputPort = (pEngineChannel) ? pEngineChannel->GetMidiInputPort() : NULL; |
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if (pMidiInputPort) this->iMidiPort = (int) pMidiInputPort->GetPortNumber(); |
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return iMidiPort; |
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} |
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|
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AudioOutputDevice* SamplerChannel::GetAudioOutputDevice() { |
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return pAudioOutputDevice; |
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} |
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|
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MidiInputDevice* SamplerChannel::GetMidiInputDevice() { |
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if (pEngineChannel) |
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pMidiInputDevice = (pEngineChannel->GetMidiInputPort()) ? pEngineChannel->GetMidiInputPort()->GetDevice() : NULL; |
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return pMidiInputDevice; |
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} |
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|
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uint SamplerChannel::Index() { |
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if (iIndex >= 0) return iIndex; |
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|
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Sampler::SamplerChannelMap::iterator iter = pSampler->mSamplerChannels.begin(); |
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for (; iter != pSampler->mSamplerChannels.end(); iter++) { |
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if (iter->second == this) { |
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iIndex = iter->first; |
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return iIndex; |
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} |
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} |
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|
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throw Exception("Internal error: SamplerChannel index not found"); |
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} |
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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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|
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void SamplerChannel::RemoveEngineChangeListener(EngineChangeListener* l) { |
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llEngineChangeListeners.RemoveListener(l); |
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} |
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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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|
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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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|
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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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|
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MidiInputPort* SamplerChannel::__GetMidiInputDevicePort(int iMidiPort) { |
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MidiInputPort* pMidiInputPort = NULL; |
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MidiInputDevice* pMidiInputDevice = GetMidiInputDevice(); |
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if (pMidiInputDevice) |
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pMidiInputPort = pMidiInputDevice->GetPort(iMidiPort); |
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return pMidiInputPort; |
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} |
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|
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|
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|
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// ****************************************************************** |
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// * Sampler |
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|
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Sampler::Sampler() { |
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eventHandler.SetSampler(this); |
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} |
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|
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Sampler::~Sampler() { |
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Reset(); |
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} |
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|
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uint Sampler::SamplerChannels() { |
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return mSamplerChannels.size(); |
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} |
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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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|
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void Sampler::RemoveChannelCountListener(ChannelCountListener* l) { |
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llChannelCountListeners.RemoveListener(l); |
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} |
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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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|
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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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|
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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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|
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void Sampler::AddAudioDeviceCountListener(AudioDeviceCountListener* l) { |
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llAudioDeviceCountListeners.AddListener(l); |
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} |
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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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|
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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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} |
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} |
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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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|
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void Sampler::RemoveMidiDeviceCountListener(MidiDeviceCountListener* l) { |
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llMidiDeviceCountListeners.RemoveListener(l); |
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} |
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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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|
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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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|
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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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|
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void Sampler::AddVoiceCountListener(VoiceCountListener* l) { |
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llVoiceCountListeners.AddListener(l); |
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} |
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|
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void Sampler::RemoveVoiceCountListener(VoiceCountListener* l) { |
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llVoiceCountListeners.RemoveListener(l); |
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} |
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|
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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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} |
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} |
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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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|
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void Sampler::RemoveStreamCountListener(StreamCountListener* l) { |
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llStreamCountListeners.RemoveListener(l); |
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} |
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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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|
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void Sampler::AddBufferFillListener(BufferFillListener* l) { |
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llBufferFillListeners.AddListener(l); |
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} |
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|
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void Sampler::RemoveBufferFillListener(BufferFillListener* l) { |
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llBufferFillListeners.RemoveListener(l); |
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} |
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|
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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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|
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void Sampler::AddTotalStreamCountListener(TotalStreamCountListener* l) { |
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llTotalStreamCountListeners.AddListener(l); |
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} |
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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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|
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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); |
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} |
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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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|
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void Sampler::RemoveTotalVoiceCountListener(TotalVoiceCountListener* l) { |
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llTotalVoiceCountListeners.RemoveListener(l); |
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} |
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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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|
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void Sampler::AddFxSendCountListener(FxSendCountListener* l) { |
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llFxSendCountListeners.AddListener(l); |
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} |
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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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|
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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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|
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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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|
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void Sampler::EventHandler::EngineChanged(int ChannelId) { |
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EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel(); |
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if(engineChannel == NULL) return; |
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engineChannel->AddFxSendCountListener(this); |
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} |
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|
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void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) { |
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pSampler->fireFxSendCountChanged(ChannelId, NewCount); |
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} |
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|
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|
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SamplerChannel* Sampler::AddSamplerChannel() { |
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// if there's no sampler channel yet |
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if (!mSamplerChannels.size()) { |
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SamplerChannel* pChannel = new SamplerChannel(this); |
436 |
mSamplerChannels[0] = pChannel; |
437 |
fireChannelAdded(pChannel); |
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fireChannelCountChanged(1); |
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pChannel->AddEngineChangeListener(&eventHandler); |
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return pChannel; |
441 |
} |
442 |
|
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// get the highest used sampler channel index |
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uint lastIndex = (--(mSamplerChannels.end()))->first; |
445 |
|
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// check if we reached the index limit |
447 |
if (lastIndex + 1 < lastIndex) { |
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// search for an unoccupied sampler channel index starting from 0 |
449 |
for (uint i = 0; i < lastIndex; i++) { |
450 |
if (mSamplerChannels.find(i) != mSamplerChannels.end()) continue; |
451 |
// we found an unused index, so insert the new channel there |
452 |
SamplerChannel* pChannel = new SamplerChannel(this); |
453 |
mSamplerChannels[i] = pChannel; |
454 |
fireChannelAdded(pChannel); |
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fireChannelCountChanged(SamplerChannels()); |
456 |
pChannel->AddEngineChangeListener(&eventHandler); |
457 |
return pChannel; |
458 |
} |
459 |
throw Exception("Internal error: could not find unoccupied sampler channel index."); |
460 |
} |
461 |
|
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// we have not reached the index limit so we just add the channel past the highest index |
463 |
SamplerChannel* pChannel = new SamplerChannel(this); |
464 |
mSamplerChannels[lastIndex + 1] = pChannel; |
465 |
fireChannelAdded(pChannel); |
466 |
fireChannelCountChanged(SamplerChannels()); |
467 |
pChannel->AddEngineChangeListener(&eventHandler); |
468 |
return pChannel; |
469 |
} |
470 |
|
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SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
472 |
return (mSamplerChannels.find(uiSamplerChannel) != mSamplerChannels.end()) ? mSamplerChannels[uiSamplerChannel] : NULL; |
473 |
} |
474 |
|
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std::map<uint, SamplerChannel*> Sampler::GetSamplerChannels() { |
476 |
return mSamplerChannels; |
477 |
} |
478 |
|
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void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
480 |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
481 |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
482 |
if (iterChan->second == pSamplerChannel) { |
483 |
fireChannelToBeRemoved(pSamplerChannel); |
484 |
pSamplerChannel->RemoveAllEngineChangeListeners(); |
485 |
mSamplerChannels.erase(iterChan); |
486 |
delete pSamplerChannel; |
487 |
fireChannelCountChanged(SamplerChannels()); |
488 |
return; |
489 |
} |
490 |
} |
491 |
} |
492 |
|
493 |
void Sampler::RemoveSamplerChannel(uint uiSamplerChannel) { |
494 |
SamplerChannel* pChannel = GetSamplerChannel(uiSamplerChannel); |
495 |
if (!pChannel) return; |
496 |
RemoveSamplerChannel(pChannel); |
497 |
} |
498 |
|
499 |
std::vector<String> Sampler::AvailableAudioOutputDrivers() { |
500 |
return AudioOutputDeviceFactory::AvailableDrivers(); |
501 |
} |
502 |
|
503 |
std::vector<String> Sampler::AvailableMidiInputDrivers() { |
504 |
return MidiInputDeviceFactory::AvailableDrivers(); |
505 |
} |
506 |
|
507 |
std::vector<String> Sampler::AvailableEngineTypes() { |
508 |
return EngineFactory::AvailableEngineTypes(); |
509 |
} |
510 |
|
511 |
AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (Exception) { |
512 |
// create new device |
513 |
AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters); |
514 |
|
515 |
// add new audio device to the audio device list |
516 |
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
517 |
if (!mAudioOutputDevices[i]) { |
518 |
mAudioOutputDevices[i] = pDevice; |
519 |
break; |
520 |
} |
521 |
} |
522 |
|
523 |
fireAudioDeviceCountChanged(AudioOutputDevices()); |
524 |
return pDevice; |
525 |
} |
526 |
|
527 |
uint Sampler::AudioOutputDevices() { |
528 |
return mAudioOutputDevices.size(); |
529 |
} |
530 |
|
531 |
uint Sampler::MidiInputDevices() { |
532 |
return mMidiInputDevices.size(); |
533 |
} |
534 |
|
535 |
std::map<uint, AudioOutputDevice*> Sampler::GetAudioOutputDevices() { |
536 |
return mAudioOutputDevices; |
537 |
} |
538 |
|
539 |
std::map<uint, MidiInputDevice*> Sampler::GetMidiInputDevices() { |
540 |
return mMidiInputDevices; |
541 |
} |
542 |
|
543 |
void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) { |
544 |
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
545 |
for (; iter != mAudioOutputDevices.end(); iter++) { |
546 |
if (iter->second == pDevice) { |
547 |
// check if there are still sampler engines connected to this device |
548 |
for (uint i = 0; i < SamplerChannels(); i++) |
549 |
if (GetSamplerChannel(i)->GetAudioOutputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the audio output device."); |
550 |
|
551 |
// disable device |
552 |
pDevice->Stop(); |
553 |
|
554 |
// remove device from the device list |
555 |
mAudioOutputDevices.erase(iter); |
556 |
|
557 |
// destroy and free device from memory |
558 |
delete pDevice; |
559 |
|
560 |
fireAudioDeviceCountChanged(AudioOutputDevices()); |
561 |
break; |
562 |
} |
563 |
} |
564 |
} |
565 |
|
566 |
void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) { |
567 |
MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
568 |
for (; iter != mMidiInputDevices.end(); iter++) { |
569 |
if (iter->second == pDevice) { |
570 |
// check if there are still sampler engines connected to this device |
571 |
for (uint i = 0; i < SamplerChannels(); i++) |
572 |
if (GetSamplerChannel(i)->GetMidiInputDevice() == pDevice) throw Exception("Sampler channel " + ToString(i) + " is still connected to the midi input device."); |
573 |
|
574 |
fireMidiDeviceToBeDestroyed(pDevice); |
575 |
|
576 |
// disable device |
577 |
pDevice->StopListen(); |
578 |
|
579 |
// remove device from the device list |
580 |
mMidiInputDevices.erase(iter); |
581 |
|
582 |
// destroy and free device from memory |
583 |
delete pDevice; |
584 |
|
585 |
fireMidiDeviceCountChanged(MidiInputDevices()); |
586 |
break; |
587 |
} |
588 |
} |
589 |
} |
590 |
|
591 |
MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (Exception) { |
592 |
// create new device |
593 |
MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this); |
594 |
|
595 |
// add new device to the midi device list |
596 |
for (uint i = 0; ; i++) { // seek for a free place starting from the beginning |
597 |
if (!mMidiInputDevices[i]) { |
598 |
mMidiInputDevices[i] = pDevice; |
599 |
break; |
600 |
} |
601 |
} |
602 |
|
603 |
fireMidiDeviceCreated(pDevice); |
604 |
fireMidiDeviceCountChanged(MidiInputDevices()); |
605 |
return pDevice; |
606 |
} |
607 |
|
608 |
int Sampler::GetDiskStreamCount() { |
609 |
int count = 0; |
610 |
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
611 |
|
612 |
for(; it != EngineFactory::EngineInstances().end(); it++) { |
613 |
count += (*it)->DiskStreamCount(); |
614 |
} |
615 |
|
616 |
return count; |
617 |
} |
618 |
|
619 |
int Sampler::GetVoiceCount() { |
620 |
int count = 0; |
621 |
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
622 |
|
623 |
for(; it != EngineFactory::EngineInstances().end(); it++) { |
624 |
count += (*it)->VoiceCount(); |
625 |
} |
626 |
|
627 |
return count; |
628 |
} |
629 |
|
630 |
void Sampler::Reset() { |
631 |
// delete sampler channels |
632 |
try { |
633 |
while (true) { |
634 |
SamplerChannelMap::iterator iter = mSamplerChannels.begin(); |
635 |
if (iter == mSamplerChannels.end()) break; |
636 |
RemoveSamplerChannel(iter->second); |
637 |
} |
638 |
} |
639 |
catch(...) { |
640 |
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all sampler channels, exiting.\n" << std::flush; |
641 |
exit(EXIT_FAILURE); |
642 |
} |
643 |
|
644 |
// delete midi input devices |
645 |
try { |
646 |
while (true) { |
647 |
MidiInputDeviceMap::iterator iter = mMidiInputDevices.begin(); |
648 |
if (iter == mMidiInputDevices.end()) break; |
649 |
DestroyMidiInputDevice(iter->second); |
650 |
} |
651 |
} |
652 |
catch(...) { |
653 |
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI input devices, exiting.\n" << std::flush; |
654 |
exit(EXIT_FAILURE); |
655 |
} |
656 |
|
657 |
// delete audio output devices |
658 |
try { |
659 |
while (true) { |
660 |
AudioOutputDeviceMap::iterator iter = mAudioOutputDevices.begin(); |
661 |
if (iter == mAudioOutputDevices.end()) break; |
662 |
DestroyAudioOutputDevice(iter->second); |
663 |
} |
664 |
} |
665 |
catch(...) { |
666 |
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush; |
667 |
exit(EXIT_FAILURE); |
668 |
} |
669 |
|
670 |
// delete MIDI instrument maps |
671 |
try { |
672 |
MidiInstrumentMapper::RemoveAllMaps(); |
673 |
} |
674 |
catch(...) { |
675 |
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush; |
676 |
exit(EXIT_FAILURE); |
677 |
} |
678 |
|
679 |
// unload all instrument editor DLLs |
680 |
InstrumentEditorFactory::ClosePlugins(); |
681 |
} |
682 |
|
683 |
} // namespace LinuxSampler |