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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 Christian Schoenebeck * |
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* * |
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* This program 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 program 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 program; 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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#include "MidiInputPort.h" |
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#include "../../Sampler.h" |
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#include "../../engines/EngineFactory.h" |
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namespace LinuxSampler { |
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// *************** ParameterName *************** |
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// * |
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MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort) : DeviceRuntimeParameterString("Port " + ToString(pPort->GetPortNumber())) { |
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this->pPort = pPort; |
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} |
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MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort, String val) : DeviceRuntimeParameterString(val) { |
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this->pPort = pPort; |
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} |
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String MidiInputPort::ParameterName::Description() { |
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return "Name for this port"; |
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} |
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bool MidiInputPort::ParameterName::Fix() { |
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return false; |
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} |
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std::vector<String> MidiInputPort::ParameterName::PossibilitiesAsString() { |
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return std::vector<String>(); |
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} |
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void MidiInputPort::ParameterName::OnSetValue(String s) throw (LinuxSamplerException) { |
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return; /* FIXME: Nothing to do here */ |
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} |
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// *************** MidiInputPort *************** |
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// * |
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MidiInputPort::~MidiInputPort() { |
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std::map<String,DeviceRuntimeParameter*>::iterator iter = Parameters.begin(); |
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while (iter != Parameters.end()) { |
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delete iter->second; |
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iter++; |
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} |
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Parameters.clear(); |
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} |
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MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) |
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: MidiChannelMapReader(MidiChannelMap), |
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SysexListenersReader(SysexListeners) { |
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this->pDevice = pDevice; |
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this->portNumber = portNumber; |
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Parameters["NAME"] = new ParameterName(this); |
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pPreviousProgramChangeEngineChannel = NULL; |
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} |
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MidiInputDevice* MidiInputPort::GetDevice() { |
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return pDevice; |
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} |
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uint MidiInputPort::GetPortNumber() { |
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return portNumber; |
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} |
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std::map<String,DeviceRuntimeParameter*> MidiInputPort::PortParameters() { |
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return Parameters; |
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} |
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void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) { |
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const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock(); |
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// dispatch event for engines listening to the same MIDI channel |
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{ |
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std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin(); |
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std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity); |
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} |
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// dispatch event for engines listening to ALL MIDI channels |
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{ |
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std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin(); |
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std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity); |
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} |
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MidiChannelMapReader.Unlock(); |
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} |
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void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) { |
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const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock(); |
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// dispatch event for engines listening to the same MIDI channel |
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{ |
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std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin(); |
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std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity); |
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} |
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// dispatch event for engines listening to ALL MIDI channels |
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{ |
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std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin(); |
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std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity); |
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} |
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MidiChannelMapReader.Unlock(); |
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} |
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void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) { |
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const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock(); |
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// dispatch event for engines listening to the same MIDI channel |
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{ |
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std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin(); |
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std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch); |
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} |
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// dispatch event for engines listening to ALL MIDI channels |
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{ |
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std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin(); |
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std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch); |
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} |
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MidiChannelMapReader.Unlock(); |
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} |
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void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) { |
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const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock(); |
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// dispatch event for engines listening to the same MIDI channel |
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{ |
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std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin(); |
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std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value); |
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} |
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// dispatch event for engines listening to ALL MIDI channels |
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{ |
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std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin(); |
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std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value); |
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} |
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MidiChannelMapReader.Unlock(); |
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} |
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void MidiInputPort::DispatchSysex(void* pData, uint Size) { |
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const std::set<Engine*> allEngines = SysexListenersReader.Lock(); |
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// dispatch event to all engine instances |
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std::set<Engine*>::iterator engineiter = allEngines.begin(); |
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std::set<Engine*>::iterator end = allEngines.end(); |
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for (; engineiter != end; engineiter++) (*engineiter)->SendSysex(pData, Size); |
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SysexListenersReader.Unlock(); |
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} |
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void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) { |
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if (!pDevice || !pDevice->pSampler) { |
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std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change." |
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<< "This is a bug, please report it!\n" << std::flush; |
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return; |
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} |
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Sampler* pSampler = (Sampler*) pDevice->pSampler; |
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SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(Program); |
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if (!pSamplerChannel) return; |
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EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
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if (!pEngineChannel) return; |
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// disconnect from the engine channel which was connected by the last PC event |
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if (pPreviousProgramChangeEngineChannel) |
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Disconnect(pPreviousProgramChangeEngineChannel); |
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// now connect to the new engine channel and remember it |
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try { |
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Connect(pEngineChannel, (midi_chan_t) MidiChannel); |
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pPreviousProgramChangeEngineChannel = pEngineChannel; |
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} |
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catch (...) { /* NOOP */ } |
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} |
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void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) { |
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if (MidiChannel < 0 || MidiChannel > 16) |
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throw MidiInputException("MIDI channel index out of bounds"); |
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// first check if desired connection is already established |
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MidiChannelMapMutex.Lock(); |
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MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate(); |
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bool bAlreadyDone = midiChannelMap[MidiChannel].count(pEngineChannel); |
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MidiChannelMapMutex.Unlock(); |
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if (bAlreadyDone) return; |
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// remove all other connections of that engine channel (if any) |
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Disconnect(pEngineChannel); |
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// register engine channel on the desired MIDI channel |
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MidiChannelMapMutex.Lock(); |
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MidiChannelMap.GetConfigForUpdate()[MidiChannel].insert(pEngineChannel); |
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MidiChannelMap.SwitchConfig()[MidiChannel].insert(pEngineChannel); |
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MidiChannelMapMutex.Unlock(); |
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// inform engine channel about this connection |
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pEngineChannel->Connect(this, MidiChannel); |
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// mark engine channel as changed |
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pEngineChannel->StatusChanged(true); |
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} |
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void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) { |
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if (!pEngineChannel) return; |
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bool bChannelFound = false; |
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// unregister engine channel from all MIDI channels |
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MidiChannelMapMutex.Lock(); |
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try { |
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{ |
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MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate(); |
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for (int i = 0; i <= 16; i++) { |
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bChannelFound |= midiChannelMap[i].count(pEngineChannel); |
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midiChannelMap[i].erase(pEngineChannel); |
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} |
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} |
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// do the same update again, after switching to the other config |
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{ |
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MidiChannelMap_t& midiChannelMap = MidiChannelMap.SwitchConfig(); |
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for (int i = 0; i <= 16; i++) { |
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bChannelFound |= midiChannelMap[i].count(pEngineChannel); |
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midiChannelMap[i].erase(pEngineChannel); |
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} |
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} |
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} |
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catch(...) { /* NOOP */ } |
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MidiChannelMapMutex.Unlock(); |
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// inform engine channel about the disconnection (if there is one) |
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if (bChannelFound) pEngineChannel->DisconnectMidiInputPort(); |
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// mark engine channel as changed |
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pEngineChannel->StatusChanged(true); |
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} |
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SynchronizedConfig<std::set<LinuxSampler::Engine*> > MidiInputPort::SysexListeners; |
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void MidiInputPort::AddSysexListener(Engine* engine) { |
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std::pair<std::set<Engine*>::iterator, bool> p = SysexListeners.GetConfigForUpdate().insert(engine); |
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if (p.second) SysexListeners.SwitchConfig().insert(engine); |
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} |
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bool MidiInputPort::RemoveSysexListener(Engine* engine) { |
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int count = SysexListeners.GetConfigForUpdate().erase(engine); |
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if (count) SysexListeners.SwitchConfig().erase(engine); |
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return count; |
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} |
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} // namespace LinuxSampler |