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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 - 2012 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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#include "common/Features.h" |
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#include "network/lscpserver.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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pNewEngineChannel->SetSamplerChannel(this); |
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|
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// dereference midi input port. |
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MidiInputPort* pMidiInputPort = __GetMidiInputDevicePort(GetMidiInputPort()); |
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midi_chan_t midiChannel = GetMidiInputChannel(); |
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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, midiChannel); |
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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) throw (Exception) { |
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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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if (!pAudioOutputDevice->isAutonomousDevice()) |
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throw Exception("The audio output device '" + pAudioOutputDevice->Driver() + "' cannot be dropped from this sampler channel!"); |
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|
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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) throw (Exception) { |
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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) throw (Exception) { |
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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) throw (Exception) { |
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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) { |
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MidiInputDevice* pOldDevice = pOldMidiInputPort->GetDevice(); |
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if (pOldMidiInputPort != pNewMidiInputPort && |
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pOldDevice && !pOldDevice->isAutonomousDevice() |
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) throw Exception("The MIDI input port '" + pOldDevice->Driver() + "' cannot be altered on this sampler channel!"); |
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|
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pOldMidiInputPort->Disconnect(pEngineChannel); |
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} |
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|
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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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Sampler* SamplerChannel::GetSampler() { |
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return pSampler; |
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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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uiOldTotalVoiceCount = uiOldTotalStreamCount = 0; |
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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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std::map<uint, uint>::iterator it = mOldVoiceCounts.find(ChannelId); |
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if (it != mOldVoiceCounts.end()) { |
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uint oldCount = it->second; |
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if (NewCount == oldCount) return; |
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} |
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|
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mOldVoiceCounts[ChannelId] = NewCount; |
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|
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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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std::map<uint, uint>::iterator it = mOldStreamCounts.find(ChannelId); |
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if (it != mOldStreamCounts.end()) { |
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uint oldCount = it->second; |
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if (NewCount == oldCount) return; |
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} |
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|
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mOldStreamCounts[ChannelId] = NewCount; |
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|
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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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if (NewCount == uiOldTotalStreamCount) return; |
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uiOldTotalStreamCount = NewCount; |
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|
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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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if (NewCount == uiOldTotalVoiceCount) return; |
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uiOldTotalVoiceCount = NewCount; |
437 |
|
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for (int i = 0; i < llTotalVoiceCountListeners.GetListenerCount(); i++) { |
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llTotalVoiceCountListeners.GetListener(i)->TotalVoiceCountChanged(NewCount); |
440 |
} |
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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); |
454 |
} |
455 |
} |
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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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} |
460 |
|
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void Sampler::EventHandler::EngineChanged(int ChannelId) { |
462 |
EngineChannel* engineChannel = pSampler->GetSamplerChannel(ChannelId)->GetEngineChannel(); |
463 |
if(engineChannel == NULL) return; |
464 |
engineChannel->AddFxSendCountListener(this); |
465 |
} |
466 |
|
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void Sampler::EventHandler::FxSendCountChanged(int ChannelId, int NewCount) { |
468 |
pSampler->fireFxSendCountChanged(ChannelId, NewCount); |
469 |
} |
470 |
|
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|
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SamplerChannel* Sampler::AddSamplerChannel() { |
473 |
// if there's no sampler channel yet |
474 |
if (!mSamplerChannels.size()) { |
475 |
SamplerChannel* pChannel = new SamplerChannel(this); |
476 |
mSamplerChannels[0] = pChannel; |
477 |
fireChannelAdded(pChannel); |
478 |
fireChannelCountChanged(1); |
479 |
pChannel->AddEngineChangeListener(&eventHandler); |
480 |
return pChannel; |
481 |
} |
482 |
|
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// get the highest used sampler channel index |
484 |
uint lastIndex = (--(mSamplerChannels.end()))->first; |
485 |
|
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// check if we reached the index limit |
487 |
if (lastIndex + 1 < lastIndex) { |
488 |
// search for an unoccupied sampler channel index starting from 0 |
489 |
for (uint i = 0; i < lastIndex; i++) { |
490 |
if (mSamplerChannels.find(i) != mSamplerChannels.end()) continue; |
491 |
// we found an unused index, so insert the new channel there |
492 |
SamplerChannel* pChannel = new SamplerChannel(this); |
493 |
mSamplerChannels[i] = pChannel; |
494 |
fireChannelAdded(pChannel); |
495 |
fireChannelCountChanged(SamplerChannels()); |
496 |
pChannel->AddEngineChangeListener(&eventHandler); |
497 |
return pChannel; |
498 |
} |
499 |
throw Exception("Internal error: could not find unoccupied sampler channel index."); |
500 |
} |
501 |
|
502 |
// we have not reached the index limit so we just add the channel past the highest index |
503 |
SamplerChannel* pChannel = new SamplerChannel(this); |
504 |
mSamplerChannels[lastIndex + 1] = pChannel; |
505 |
fireChannelAdded(pChannel); |
506 |
fireChannelCountChanged(SamplerChannels()); |
507 |
pChannel->AddEngineChangeListener(&eventHandler); |
508 |
return pChannel; |
509 |
} |
510 |
|
511 |
SamplerChannel* Sampler::GetSamplerChannel(uint uiSamplerChannel) { |
512 |
return (mSamplerChannels.find(uiSamplerChannel) != mSamplerChannels.end()) ? mSamplerChannels[uiSamplerChannel] : NULL; |
513 |
} |
514 |
|
515 |
std::map<uint, SamplerChannel*> Sampler::GetSamplerChannels() { |
516 |
return mSamplerChannels; |
517 |
} |
518 |
|
519 |
void Sampler::RemoveSamplerChannel(SamplerChannel* pSamplerChannel) { |
520 |
SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
521 |
for (; iterChan != mSamplerChannels.end(); iterChan++) { |
522 |
if (iterChan->second == pSamplerChannel) { |
523 |
fireChannelToBeRemoved(pSamplerChannel); |
524 |
mOldVoiceCounts.erase(pSamplerChannel->Index()); |
525 |
mOldStreamCounts.erase(pSamplerChannel->Index()); |
526 |
pSamplerChannel->RemoveAllEngineChangeListeners(); |
527 |
mSamplerChannels.erase(iterChan); |
528 |
delete pSamplerChannel; |
529 |
fireChannelCountChanged(SamplerChannels()); |
530 |
return; |
531 |
} |
532 |
} |
533 |
} |
534 |
|
535 |
void Sampler::RemoveSamplerChannel(uint uiSamplerChannel) { |
536 |
SamplerChannel* pChannel = GetSamplerChannel(uiSamplerChannel); |
537 |
if (!pChannel) return; |
538 |
RemoveSamplerChannel(pChannel); |
539 |
} |
540 |
|
541 |
void Sampler::RemoveAllSamplerChannels() { |
542 |
/* |
543 |
* In maps iterator invalidation occurs when the iterator point |
544 |
* to the element that is being erased. So we need to copy the map |
545 |
* by calling GetSamplerChannels() to prevent that. |
546 |
*/ |
547 |
SamplerChannelMap chns = GetSamplerChannels(); |
548 |
SamplerChannelMap::iterator iter = chns.begin(); |
549 |
for(; iter != chns.end(); iter++) { |
550 |
RemoveSamplerChannel(iter->second); |
551 |
} |
552 |
} |
553 |
|
554 |
std::vector<String> Sampler::AvailableAudioOutputDrivers() { |
555 |
return AudioOutputDeviceFactory::AvailableDrivers(); |
556 |
} |
557 |
|
558 |
std::vector<String> Sampler::AvailableMidiInputDrivers() { |
559 |
return MidiInputDeviceFactory::AvailableDrivers(); |
560 |
} |
561 |
|
562 |
std::vector<String> Sampler::AvailableEngineTypes() { |
563 |
return EngineFactory::AvailableEngineTypes(); |
564 |
} |
565 |
|
566 |
AudioOutputDevice* Sampler::CreateAudioOutputDevice(String AudioDriver, std::map<String,String> Parameters) throw (Exception) { |
567 |
// create new device |
568 |
AudioOutputDevice* pDevice = AudioOutputDeviceFactory::Create(AudioDriver, Parameters); |
569 |
|
570 |
fireAudioDeviceCountChanged(AudioOutputDevices()); |
571 |
return pDevice; |
572 |
} |
573 |
|
574 |
uint Sampler::AudioOutputDevices() { |
575 |
return AudioOutputDeviceFactory::Devices().size(); |
576 |
} |
577 |
|
578 |
uint Sampler::MidiInputDevices() { |
579 |
return MidiInputDeviceFactory::Devices().size(); |
580 |
} |
581 |
|
582 |
std::map<uint, AudioOutputDevice*> Sampler::GetAudioOutputDevices() { |
583 |
return AudioOutputDeviceFactory::Devices(); |
584 |
} |
585 |
|
586 |
std::map<uint, MidiInputDevice*> Sampler::GetMidiInputDevices() { |
587 |
return MidiInputDeviceFactory::Devices(); |
588 |
} |
589 |
|
590 |
void Sampler::DestroyAudioOutputDevice(AudioOutputDevice* pDevice) throw (Exception) { |
591 |
if (pDevice) { |
592 |
// check if there are still sampler engines connected to this device |
593 |
for (SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
594 |
iterChan != mSamplerChannels.end(); iterChan++ |
595 |
) if (iterChan->second->GetAudioOutputDevice() == pDevice) throw Exception("Sampler channel " + ToString(iterChan->first) + " is still connected to the audio output device."); |
596 |
|
597 |
//TODO: should we add fireAudioDeviceToBeDestroyed() here ? |
598 |
AudioOutputDeviceFactory::Destroy(pDevice); |
599 |
fireAudioDeviceCountChanged(AudioOutputDevices()); |
600 |
} |
601 |
} |
602 |
|
603 |
void Sampler::DestroyAllAudioOutputDevices() throw (Exception) { |
604 |
/* |
605 |
* In maps iterator invalidation occurs when the iterator point |
606 |
* to the element that is being erased. So we need to copy the map |
607 |
* by calling GetAudioOutputDevices() to prevent that. |
608 |
*/ |
609 |
std::map<uint, AudioOutputDevice*> devs = GetAudioOutputDevices(); |
610 |
std::map<uint, AudioOutputDevice*>::iterator iter = devs.begin(); |
611 |
for (; iter != devs.end(); iter++) { |
612 |
AudioOutputDevice* pDevice = iter->second; |
613 |
|
614 |
// skip non-autonomous devices |
615 |
if (!pDevice->isAutonomousDevice()) continue; |
616 |
|
617 |
DestroyAudioOutputDevice(pDevice); |
618 |
} |
619 |
} |
620 |
|
621 |
void Sampler::DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception) { |
622 |
if (pDevice) { |
623 |
// check if there are still sampler engines connected to this device |
624 |
for (SamplerChannelMap::iterator iterChan = mSamplerChannels.begin(); |
625 |
iterChan != mSamplerChannels.end(); iterChan++ |
626 |
) if (iterChan->second->GetMidiInputDevice() == pDevice) throw Exception("Sampler channel " + ToString(iterChan->first) + " is still connected to the midi input device."); |
627 |
|
628 |
fireMidiDeviceToBeDestroyed(pDevice); |
629 |
MidiInputDeviceFactory::Destroy(pDevice); |
630 |
fireMidiDeviceCountChanged(MidiInputDevices()); |
631 |
} |
632 |
} |
633 |
|
634 |
void Sampler::DestroyAllMidiInputDevices() throw (Exception) { |
635 |
/* |
636 |
* In maps iterator invalidation occurs when the iterator point |
637 |
* to the element that is being erased. So we need to copy the map |
638 |
* by calling GetMidiInputDevices() to prevent that. |
639 |
*/ |
640 |
std::map<uint, MidiInputDevice*> devs = GetMidiInputDevices(); |
641 |
std::map<uint, MidiInputDevice*>::iterator iter = devs.begin(); |
642 |
for (; iter != devs.end(); iter++) { |
643 |
MidiInputDevice* pDevice = iter->second; |
644 |
|
645 |
// skip non-autonomous devices |
646 |
if (!pDevice->isAutonomousDevice()) continue; |
647 |
|
648 |
DestroyMidiInputDevice(pDevice); |
649 |
} |
650 |
} |
651 |
|
652 |
MidiInputDevice* Sampler::CreateMidiInputDevice(String MidiDriver, std::map<String,String> Parameters) throw (Exception) { |
653 |
// create new device |
654 |
MidiInputDevice* pDevice = MidiInputDeviceFactory::Create(MidiDriver, Parameters, this); |
655 |
|
656 |
fireMidiDeviceCreated(pDevice); |
657 |
fireMidiDeviceCountChanged(MidiInputDevices()); |
658 |
return pDevice; |
659 |
} |
660 |
|
661 |
int Sampler::GetDiskStreamCount() { |
662 |
int count = 0; |
663 |
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
664 |
|
665 |
for(; it != EngineFactory::EngineInstances().end(); it++) { |
666 |
count += (*it)->DiskStreamCount(); |
667 |
} |
668 |
|
669 |
return count; |
670 |
} |
671 |
|
672 |
int Sampler::GetVoiceCount() { |
673 |
int count = 0; |
674 |
std::set<Engine*>::iterator it = EngineFactory::EngineInstances().begin(); |
675 |
|
676 |
for(; it != EngineFactory::EngineInstances().end(); it++) { |
677 |
count += (*it)->VoiceCount(); |
678 |
} |
679 |
|
680 |
return count; |
681 |
} |
682 |
|
683 |
int Sampler::GetGlobalMaxVoices() { |
684 |
return GLOBAL_MAX_VOICES; // see common/global_private.cpp |
685 |
} |
686 |
|
687 |
int Sampler::GetGlobalMaxStreams() { |
688 |
return GLOBAL_MAX_STREAMS; // see common/global_private.cpp |
689 |
} |
690 |
|
691 |
void Sampler::SetGlobalMaxVoices(int n) throw (Exception) { |
692 |
if (n < 1) throw Exception("Maximum voices may not be less than 1"); |
693 |
GLOBAL_MAX_VOICES = n; // see common/global_private.cpp |
694 |
const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
695 |
if (engines.size() > 0) { |
696 |
std::set<Engine*>::iterator iter = engines.begin(); |
697 |
std::set<Engine*>::iterator end = engines.end(); |
698 |
for (; iter != end; ++iter) { |
699 |
(*iter)->SetMaxVoices(n); |
700 |
} |
701 |
} |
702 |
} |
703 |
|
704 |
void Sampler::SetGlobalMaxStreams(int n) throw (Exception) { |
705 |
if (n < 0) throw Exception("Maximum disk streams may not be negative"); |
706 |
GLOBAL_MAX_STREAMS = n; // see common/global_private.cpp |
707 |
const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
708 |
if (engines.size() > 0) { |
709 |
std::set<Engine*>::iterator iter = engines.begin(); |
710 |
std::set<Engine*>::iterator end = engines.end(); |
711 |
for (; iter != end; ++iter) { |
712 |
(*iter)->SetMaxDiskStreams(n); |
713 |
} |
714 |
} |
715 |
} |
716 |
|
717 |
void Sampler::Reset() { |
718 |
// delete sampler channels |
719 |
try { |
720 |
RemoveAllSamplerChannels(); |
721 |
} |
722 |
catch(...) { |
723 |
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all sampler channels, exiting.\n" << std::flush; |
724 |
exit(EXIT_FAILURE); |
725 |
} |
726 |
|
727 |
// delete midi input devices |
728 |
try { |
729 |
DestroyAllMidiInputDevices(); |
730 |
} |
731 |
catch(...) { |
732 |
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI input devices, exiting.\n" << std::flush; |
733 |
exit(EXIT_FAILURE); |
734 |
} |
735 |
|
736 |
// delete audio output devices |
737 |
try { |
738 |
DestroyAllAudioOutputDevices(); |
739 |
} |
740 |
catch(...) { |
741 |
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all audio output devices, exiting.\n" << std::flush; |
742 |
exit(EXIT_FAILURE); |
743 |
} |
744 |
|
745 |
// delete MIDI instrument maps |
746 |
try { |
747 |
MidiInstrumentMapper::RemoveAllMaps(); |
748 |
} |
749 |
catch(...) { |
750 |
std::cerr << "Sampler::Reset(): Exception occured while trying to delete all MIDI instrument maps, exiting.\n" << std::flush; |
751 |
exit(EXIT_FAILURE); |
752 |
} |
753 |
|
754 |
// unload all instrument editor DLLs |
755 |
InstrumentEditorFactory::ClosePlugins(); |
756 |
} |
757 |
|
758 |
bool Sampler::EnableDenormalsAreZeroMode() { |
759 |
Features::detect(); |
760 |
return Features::enableDenormalsAreZeroMode(); |
761 |
} |
762 |
|
763 |
void Sampler::fireStatistics() { |
764 |
static const LSCPEvent::event_t eventsArr[] = { |
765 |
LSCPEvent::event_voice_count, LSCPEvent::event_stream_count, |
766 |
LSCPEvent::event_buffer_fill, LSCPEvent::event_total_voice_count |
767 |
}; |
768 |
static const std::list<LSCPEvent::event_t> events(eventsArr, eventsArr + 4); |
769 |
|
770 |
if (LSCPServer::EventSubscribers(events)) |
771 |
{ |
772 |
LSCPServer::LockRTNotify(); |
773 |
std::map<uint,SamplerChannel*> channels = GetSamplerChannels(); |
774 |
std::map<uint,SamplerChannel*>::iterator iter = channels.begin(); |
775 |
for (; iter != channels.end(); iter++) { |
776 |
SamplerChannel* pSamplerChannel = iter->second; |
777 |
EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
778 |
if (!pEngineChannel) continue; |
779 |
Engine* pEngine = pEngineChannel->GetEngine(); |
780 |
if (!pEngine) continue; |
781 |
fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount()); |
782 |
fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount()); |
783 |
fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage()); |
784 |
} |
785 |
|
786 |
fireTotalStreamCountChanged(GetDiskStreamCount()); |
787 |
fireTotalVoiceCountChanged(GetVoiceCount()); |
788 |
|
789 |
LSCPServer::UnlockRTNotify(); |
790 |
} |
791 |
} |
792 |
|
793 |
#if defined(WIN32) |
794 |
static HINSTANCE dllInstance = NULL; |
795 |
|
796 |
String Sampler::GetInstallDir() { |
797 |
char buf[MAX_PATH + 1]; |
798 |
if (GetModuleFileName(dllInstance, buf, MAX_PATH)) { |
799 |
String s(buf); |
800 |
size_t n = s.rfind('\\'); |
801 |
if (n != String::npos) { |
802 |
return s.substr(0, n); |
803 |
} |
804 |
} |
805 |
return ""; |
806 |
} |
807 |
#endif |
808 |
} // namespace LinuxSampler |
809 |
|
810 |
#if defined(WIN32) |
811 |
extern "C" { |
812 |
BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved) |
813 |
{ |
814 |
switch (reason) { |
815 |
case DLL_PROCESS_ATTACH: |
816 |
LinuxSampler::dllInstance = instance; |
817 |
break; |
818 |
} |
819 |
return TRUE; |
820 |
} |
821 |
} |
822 |
#endif |