drivers/midi/MidiInputPort.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005, 2006 Christian Schoenebeck                        *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "MidiInputPort.h"

#include "MidiInstrumentMapper.h"
#include "../../Sampler.h"
#include "../../engines/EngineFactory.h"

namespace LinuxSampler {

// *************** ParameterName ***************
// *

    MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort) : DeviceRuntimeParameterString("Port " + ToString(pPort->GetPortNumber())) {
        this->pPort = pPort;
    }

    MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort, String val) : DeviceRuntimeParameterString(val) {
        this->pPort = pPort;
    }

    String MidiInputPort::ParameterName::Description() {
        return "Name for this port";
    }

    bool MidiInputPort::ParameterName::Fix() {
        return false;
    }

    std::vector<String> MidiInputPort::ParameterName::PossibilitiesAsString() {
        return std::vector<String>();
    }

    void MidiInputPort::ParameterName::OnSetValue(String s) throw (Exception) {
        return; /* FIXME: Nothing to do here */
    }


// *************** MidiInputPort ***************
// *

    MidiInputPort::~MidiInputPort() {
        std::map<String,DeviceRuntimeParameter*>::iterator iter = Parameters.begin();
        while (iter != Parameters.end()) {
            delete iter->second;
            iter++;
        }
        Parameters.clear();
    }

    MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber)
        : MidiChannelMapReader(MidiChannelMap),
          SysexListenersReader(SysexListeners) {
        this->pDevice = pDevice;
        this->portNumber = portNumber;
        Parameters["NAME"] = new ParameterName(this);
    }

    MidiInputDevice* MidiInputPort::GetDevice() {
        return pDevice;
    }

    uint MidiInputPort::GetPortNumber() {
        return portNumber;
    }

    std::map<String,DeviceRuntimeParameter*> MidiInputPort::PortParameters() {
        return Parameters;
    }

    void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
        if (Key > 127 || Velocity > 127 || MidiChannel > 16) return;
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel, int32_t FragmentPos) {
        if (Key > 127 || Velocity > 127 || MidiChannel > 16) return;
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity, FragmentPos);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity, FragmentPos);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
        if (Key > 127 || Velocity > 127 || MidiChannel > 16) return;
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel, int32_t FragmentPos) {
        if (Key > 127 || Velocity > 127 || MidiChannel > 16) return;
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity, FragmentPos);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity, FragmentPos);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
        if (Pitch < -8192 || Pitch > 8191 || MidiChannel > 16) return;
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel, int32_t FragmentPos) {
        if (Pitch < -8192 || Pitch > 8191 || MidiChannel > 16) return;
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch, FragmentPos);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch, FragmentPos);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
        if (Controller > 128 || Value > 127 || MidiChannel > 16) return;
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel, int32_t FragmentPos) {
        if (Controller > 128 || Value > 127 || MidiChannel > 16) return;
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value, FragmentPos);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value, FragmentPos);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchSysex(void* pData, uint Size) {
        const std::set<Engine*> allEngines = SysexListenersReader.Lock();
        // dispatch event to all engine instances
        std::set<Engine*>::iterator engineiter = allEngines.begin();
        std::set<Engine*>::iterator end        = allEngines.end();
        for (; engineiter != end; engineiter++) (*engineiter)->SendSysex(pData, Size);
        SysexListenersReader.Unlock();
    }

    void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
        dmsg(1,("Received MIDI program change (prog=%d,ch=%d)\n",Program,MidiChannel));
        if (Program > 127 || MidiChannel > 16) return;
        if (!pDevice || !pDevice->pSampler) {
            std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."
                      << "This is a bug, please report it!\n" << std::flush;
            return;
        }
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            for (; engineiter != end; engineiter++) {
                (*engineiter)->SetMidiProgram(Program);
                // is there a mapping for this MIDI bank&prog pair?
                midi_prog_index_t midiIndex;
                midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();
                midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();
                midiIndex.midi_prog     = (*engineiter)->GetMidiProgram();
                optional<MidiInstrumentMapper::entry_t> mapping =
                    MidiInstrumentMapper::GetEntry(midiIndex);
                if (mapping) { // if mapping exists ...
                    InstrumentManager::instrument_id_t id;
                    id.FileName = mapping->InstrumentFile;
                    id.Index    = mapping->InstrumentIndex;
                    //TODO: we should switch the engine type here
                    InstrumentManager::LoadInstrumentInBackground(id, *engineiter);
                    (*engineiter)->Volume(mapping->Volume);
                }
            }
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            for (; engineiter != end; engineiter++) {
                (*engineiter)->SetMidiProgram(Program);
                // is there a mapping for this MIDI bank&prog pair?
                midi_prog_index_t midiIndex;
                midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();
                midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();
                midiIndex.midi_prog     = (*engineiter)->GetMidiProgram();
                optional<MidiInstrumentMapper::entry_t> mapping =
                    MidiInstrumentMapper::GetEntry(midiIndex);
                if (mapping) { // if mapping exists ...
                    InstrumentManager::instrument_id_t id;
                    id.FileName = mapping->InstrumentFile;
                    id.Index    = mapping->InstrumentIndex;
                    //TODO: we should switch the engine type here
                    InstrumentManager::LoadInstrumentInBackground(id, *engineiter);
                    (*engineiter)->Volume(mapping->Volume);
                }
            }
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchBankSelectMsb(uint8_t BankMSB, uint MidiChannel) {
        if (BankMSB > 127 || MidiChannel > 16) return;
        if (!pDevice || !pDevice->pSampler) {
            std::cerr << "MidiInputPort: ERROR, no sampler instance to handle bank select MSB."
                      << "This is a bug, please report it!\n" << std::flush;
            return;
        }
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            // according to the MIDI specs, a bank select should not alter the patch
            for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankMsb(BankMSB);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            // according to the MIDI specs, a bank select should not alter the patch
            for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankMsb(BankMSB);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::DispatchBankSelectLsb(uint8_t BankLSB, uint MidiChannel) {
        if (BankLSB > 127 || MidiChannel > 16) return;
        if (!pDevice || !pDevice->pSampler) {
            std::cerr << "MidiInputPort: ERROR, no sampler instance to handle bank select LSB."
                      << "This is a bug, please report it!\n" << std::flush;
            return;
        }
        const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
        // dispatch event for engines listening to the same MIDI channel
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
            // according to the MIDI specs, a bank select should not alter the patch
            for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankLsb(BankLSB);
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
            std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
            // according to the MIDI specs, a bank select should not alter the patch
            for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankLsb(BankLSB);
        }
        MidiChannelMapReader.Unlock();
    }

    void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
        if (MidiChannel < 0 || MidiChannel > 16)
            throw MidiInputException("MIDI channel index out of bounds");

        // first check if desired connection is already established
        MidiChannelMapMutex.Lock();
        MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
        bool bAlreadyDone = midiChannelMap[MidiChannel].count(pEngineChannel);
        MidiChannelMapMutex.Unlock();
        if (bAlreadyDone) return;

        // remove all other connections of that engine channel (if any)
        Disconnect(pEngineChannel);

        // register engine channel on the desired MIDI channel
        MidiChannelMapMutex.Lock();
        MidiChannelMap.GetConfigForUpdate()[MidiChannel].insert(pEngineChannel);
        MidiChannelMap.SwitchConfig()[MidiChannel].insert(pEngineChannel);
        MidiChannelMapMutex.Unlock();

        // inform engine channel about this connection
        pEngineChannel->Connect(this, MidiChannel);

        // mark engine channel as changed
        pEngineChannel->StatusChanged(true);
    }

    void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
        if (!pEngineChannel) return;

        bool bChannelFound = false;

        // unregister engine channel from all MIDI channels
        MidiChannelMapMutex.Lock();
        try {
            {
                MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
                for (int i = 0; i <= 16; i++) {
                    bChannelFound |= midiChannelMap[i].count(pEngineChannel);
                    midiChannelMap[i].erase(pEngineChannel);
                }
            }
            // do the same update again, after switching to the other config
            {
                MidiChannelMap_t& midiChannelMap = MidiChannelMap.SwitchConfig();
                for (int i = 0; i <= 16; i++) {
                    bChannelFound |= midiChannelMap[i].count(pEngineChannel);
                    midiChannelMap[i].erase(pEngineChannel);
                }
            }
        }
        catch(...) { /* NOOP */ }
        MidiChannelMapMutex.Unlock();

        // inform engine channel about the disconnection (if there is one)
        if (bChannelFound) pEngineChannel->DisconnectMidiInputPort();

        // mark engine channel as changed
        pEngineChannel->StatusChanged(true);
    }

    SynchronizedConfig<std::set<LinuxSampler::Engine*> > MidiInputPort::SysexListeners;

    void MidiInputPort::AddSysexListener(Engine* engine) {
        std::pair<std::set<Engine*>::iterator, bool> p = SysexListeners.GetConfigForUpdate().insert(engine);
        if (p.second) SysexListeners.SwitchConfig().insert(engine);
    }

    bool MidiInputPort::RemoveSysexListener(Engine* engine) {
        int count = SysexListeners.GetConfigForUpdate().erase(engine);
        if (count) SysexListeners.SwitchConfig().erase(engine);
        return count;
    }

} // namespace LinuxSampler
1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	* Copyright (C) 2005, 2006 Christian Schoenebeck *
7	* *
8	* This program is free software; you can redistribute it and/or modify *
9	* it under the terms of the GNU General Public License as published by *
10	* the Free Software Foundation; either version 2 of the License, or *
11	* (at your option) any later version. *
12	* *
13	* This program is distributed in the hope that it will be useful, *
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16	* GNU General Public License for more details. *
17	* *
18	* You should have received a copy of the GNU General Public License *
19	* along with this program; if not, write to the Free Software *
20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21	* MA 02111-1307 USA *
22	***************************************************************************/
23
24	#include "MidiInputPort.h"
25
26	#include "MidiInstrumentMapper.h"
27	#include "../../Sampler.h"
28	#include "../../engines/EngineFactory.h"
29
30	namespace LinuxSampler {
31
32	// ************* ParameterName *************
33	// *
34
35	MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort) : DeviceRuntimeParameterString("Port " + ToString(pPort->GetPortNumber())) {
36	this->pPort = pPort;
37	}
38
39	MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort, String val) : DeviceRuntimeParameterString(val) {
40	this->pPort = pPort;
41	}
42
43	String MidiInputPort::ParameterName::Description() {
44	return "Name for this port";
45	}
46
47	bool MidiInputPort::ParameterName::Fix() {
48	return false;
49	}
50
51	std::vector<String> MidiInputPort::ParameterName::PossibilitiesAsString() {
52	return std::vector<String>();
53	}
54
55	void MidiInputPort::ParameterName::OnSetValue(String s) throw (Exception) {
56	return; /* FIXME: Nothing to do here */
57	}
58
59
60
61	// ************* MidiInputPort *************
62	// *
63
64	MidiInputPort::~MidiInputPort() {
65	std::map<String,DeviceRuntimeParameter*>::iterator iter = Parameters.begin();
66	while (iter != Parameters.end()) {
67	delete iter->second;
68	iter++;
69	}
70	Parameters.clear();
71	}
72
73	MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber)
74	: MidiChannelMapReader(MidiChannelMap),
75	SysexListenersReader(SysexListeners) {
76	this->pDevice = pDevice;
77	this->portNumber = portNumber;
78	Parameters["NAME"] = new ParameterName(this);
79	}
80
81	MidiInputDevice* MidiInputPort::GetDevice() {
82	return pDevice;
83	}
84
85	uint MidiInputPort::GetPortNumber() {
86	return portNumber;
87	}
88
89	std::map<String,DeviceRuntimeParameter*> MidiInputPort::PortParameters() {
90	return Parameters;
91	}
92
93	void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
94	if (Key > 127 \|\| Velocity > 127 \|\| MidiChannel > 16) return;
95	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
96	// dispatch event for engines listening to the same MIDI channel
97	{
98	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
99	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
100	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
101	}
102	// dispatch event for engines listening to ALL MIDI channels
103	{
104	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
105	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
106	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
107	}
108	MidiChannelMapReader.Unlock();
109	}
110
111	void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel, int32_t FragmentPos) {
112	if (Key > 127 \|\| Velocity > 127 \|\| MidiChannel > 16) return;
113	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
114	// dispatch event for engines listening to the same MIDI channel
115	{
116	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
117	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
118	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity, FragmentPos);
119	}
120	// dispatch event for engines listening to ALL MIDI channels
121	{
122	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
123	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
124	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity, FragmentPos);
125	}
126	MidiChannelMapReader.Unlock();
127	}
128
129	void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
130	if (Key > 127 \|\| Velocity > 127 \|\| MidiChannel > 16) return;
131	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
132	// dispatch event for engines listening to the same MIDI channel
133	{
134	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
135	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
136	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
137	}
138	// dispatch event for engines listening to ALL MIDI channels
139	{
140	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
141	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
142	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
143	}
144	MidiChannelMapReader.Unlock();
145	}
146
147	void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel, int32_t FragmentPos) {
148	if (Key > 127 \|\| Velocity > 127 \|\| MidiChannel > 16) return;
149	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
150	// dispatch event for engines listening to the same MIDI channel
151	{
152	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
153	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
154	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity, FragmentPos);
155	}
156	// dispatch event for engines listening to ALL MIDI channels
157	{
158	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
159	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
160	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity, FragmentPos);
161	}
162	MidiChannelMapReader.Unlock();
163	}
164
165	void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
166	if (Pitch < -8192 \|\| Pitch > 8191 \|\| MidiChannel > 16) return;
167	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
168	// dispatch event for engines listening to the same MIDI channel
169	{
170	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
171	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
172	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
173	}
174	// dispatch event for engines listening to ALL MIDI channels
175	{
176	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
177	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
178	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
179	}
180	MidiChannelMapReader.Unlock();
181	}
182
183	void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel, int32_t FragmentPos) {
184	if (Pitch < -8192 \|\| Pitch > 8191 \|\| MidiChannel > 16) return;
185	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
186	// dispatch event for engines listening to the same MIDI channel
187	{
188	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
189	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
190	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch, FragmentPos);
191	}
192	// dispatch event for engines listening to ALL MIDI channels
193	{
194	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
195	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
196	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch, FragmentPos);
197	}
198	MidiChannelMapReader.Unlock();
199	}
200
201	void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
202	if (Controller > 128 \|\| Value > 127 \|\| MidiChannel > 16) return;
203	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
204	// dispatch event for engines listening to the same MIDI channel
205	{
206	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
207	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
208	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
209	}
210	// dispatch event for engines listening to ALL MIDI channels
211	{
212	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
213	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
214	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
215	}
216	MidiChannelMapReader.Unlock();
217	}
218
219	void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel, int32_t FragmentPos) {
220	if (Controller > 128 \|\| Value > 127 \|\| MidiChannel > 16) return;
221	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
222	// dispatch event for engines listening to the same MIDI channel
223	{
224	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
225	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
226	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value, FragmentPos);
227	}
228	// dispatch event for engines listening to ALL MIDI channels
229	{
230	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
231	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
232	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value, FragmentPos);
233	}
234	MidiChannelMapReader.Unlock();
235	}
236
237	void MidiInputPort::DispatchSysex(void* pData, uint Size) {
238	const std::set<Engine*> allEngines = SysexListenersReader.Lock();
239	// dispatch event to all engine instances
240	std::set<Engine*>::iterator engineiter = allEngines.begin();
241	std::set<Engine*>::iterator end = allEngines.end();
242	for (; engineiter != end; engineiter++) (*engineiter)->SendSysex(pData, Size);
243	SysexListenersReader.Unlock();
244	}
245
246	void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
247	dmsg(1,("Received MIDI program change (prog=%d,ch=%d)\n",Program,MidiChannel));
248	if (Program > 127 \|\| MidiChannel > 16) return;
249	if (!pDevice \|\| !pDevice->pSampler) {
250	std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."
251	<< "This is a bug, please report it!\n" << std::flush;
252	return;
253	}
254	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
255	// dispatch event for engines listening to the same MIDI channel
256	{
257	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
258	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
259	for (; engineiter != end; engineiter++) {
260	(*engineiter)->SetMidiProgram(Program);
261	// is there a mapping for this MIDI bank&prog pair?
262	midi_prog_index_t midiIndex;
263	midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();
264	midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();
265	midiIndex.midi_prog = (*engineiter)->GetMidiProgram();
266	optional<MidiInstrumentMapper::entry_t> mapping =
267	MidiInstrumentMapper::GetEntry(midiIndex);
268	if (mapping) { // if mapping exists ...
269	InstrumentManager::instrument_id_t id;
270	id.FileName = mapping->InstrumentFile;
271	id.Index = mapping->InstrumentIndex;
272	//TODO: we should switch the engine type here
273	InstrumentManager::LoadInstrumentInBackground(id, *engineiter);
274	(*engineiter)->Volume(mapping->Volume);
275	}
276	}
277	}
278	// dispatch event for engines listening to ALL MIDI channels
279	{
280	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
281	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
282	for (; engineiter != end; engineiter++) {
283	(*engineiter)->SetMidiProgram(Program);
284	// is there a mapping for this MIDI bank&prog pair?
285	midi_prog_index_t midiIndex;
286	midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();
287	midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();
288	midiIndex.midi_prog = (*engineiter)->GetMidiProgram();
289	optional<MidiInstrumentMapper::entry_t> mapping =
290	MidiInstrumentMapper::GetEntry(midiIndex);
291	if (mapping) { // if mapping exists ...
292	InstrumentManager::instrument_id_t id;
293	id.FileName = mapping->InstrumentFile;
294	id.Index = mapping->InstrumentIndex;
295	//TODO: we should switch the engine type here
296	InstrumentManager::LoadInstrumentInBackground(id, *engineiter);
297	(*engineiter)->Volume(mapping->Volume);
298	}
299	}
300	}
301	MidiChannelMapReader.Unlock();
302	}
303
304	void MidiInputPort::DispatchBankSelectMsb(uint8_t BankMSB, uint MidiChannel) {
305	if (BankMSB > 127 \|\| MidiChannel > 16) return;
306	if (!pDevice \|\| !pDevice->pSampler) {
307	std::cerr << "MidiInputPort: ERROR, no sampler instance to handle bank select MSB."
308	<< "This is a bug, please report it!\n" << std::flush;
309	return;
310	}
311	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
312	// dispatch event for engines listening to the same MIDI channel
313	{
314	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
315	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
316	// according to the MIDI specs, a bank select should not alter the patch
317	for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankMsb(BankMSB);
318	}
319	// dispatch event for engines listening to ALL MIDI channels
320	{
321	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
322	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
323	// according to the MIDI specs, a bank select should not alter the patch
324	for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankMsb(BankMSB);
325	}
326	MidiChannelMapReader.Unlock();
327	}
328
329	void MidiInputPort::DispatchBankSelectLsb(uint8_t BankLSB, uint MidiChannel) {
330	if (BankLSB > 127 \|\| MidiChannel > 16) return;
331	if (!pDevice \|\| !pDevice->pSampler) {
332	std::cerr << "MidiInputPort: ERROR, no sampler instance to handle bank select LSB."
333	<< "This is a bug, please report it!\n" << std::flush;
334	return;
335	}
336	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
337	// dispatch event for engines listening to the same MIDI channel
338	{
339	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
340	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
341	// according to the MIDI specs, a bank select should not alter the patch
342	for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankLsb(BankLSB);
343	}
344	// dispatch event for engines listening to ALL MIDI channels
345	{
346	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
347	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
348	// according to the MIDI specs, a bank select should not alter the patch
349	for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankLsb(BankLSB);
350	}
351	MidiChannelMapReader.Unlock();
352	}
353
354	void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
355	if (MidiChannel < 0 \|\| MidiChannel > 16)
356	throw MidiInputException("MIDI channel index out of bounds");
357
358	// first check if desired connection is already established
359	MidiChannelMapMutex.Lock();
360	MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
361	bool bAlreadyDone = midiChannelMap[MidiChannel].count(pEngineChannel);
362	MidiChannelMapMutex.Unlock();
363	if (bAlreadyDone) return;
364
365	// remove all other connections of that engine channel (if any)
366	Disconnect(pEngineChannel);
367
368	// register engine channel on the desired MIDI channel
369	MidiChannelMapMutex.Lock();
370	MidiChannelMap.GetConfigForUpdate()[MidiChannel].insert(pEngineChannel);
371	MidiChannelMap.SwitchConfig()[MidiChannel].insert(pEngineChannel);
372	MidiChannelMapMutex.Unlock();
373
374	// inform engine channel about this connection
375	pEngineChannel->Connect(this, MidiChannel);
376
377	// mark engine channel as changed
378	pEngineChannel->StatusChanged(true);
379	}
380
381	void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
382	if (!pEngineChannel) return;
383
384	bool bChannelFound = false;
385
386	// unregister engine channel from all MIDI channels
387	MidiChannelMapMutex.Lock();
388	try {
389	{
390	MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
391	for (int i = 0; i <= 16; i++) {
392	bChannelFound \|= midiChannelMap[i].count(pEngineChannel);
393	midiChannelMap[i].erase(pEngineChannel);
394	}
395	}
396	// do the same update again, after switching to the other config
397	{
398	MidiChannelMap_t& midiChannelMap = MidiChannelMap.SwitchConfig();
399	for (int i = 0; i <= 16; i++) {
400	bChannelFound \|= midiChannelMap[i].count(pEngineChannel);
401	midiChannelMap[i].erase(pEngineChannel);
402	}
403	}
404	}
405	catch(...) { /* NOOP */ }
406	MidiChannelMapMutex.Unlock();
407
408	// inform engine channel about the disconnection (if there is one)
409	if (bChannelFound) pEngineChannel->DisconnectMidiInputPort();
410
411	// mark engine channel as changed
412	pEngineChannel->StatusChanged(true);
413	}
414
415	SynchronizedConfig<std::set<LinuxSampler::Engine*> > MidiInputPort::SysexListeners;
416
417	void MidiInputPort::AddSysexListener(Engine* engine) {
418	std::pair<std::set<Engine*>::iterator, bool> p = SysexListeners.GetConfigForUpdate().insert(engine);
419	if (p.second) SysexListeners.SwitchConfig().insert(engine);
420	}
421
422	bool MidiInputPort::RemoveSysexListener(Engine* engine) {
423	int count = SysexListeners.GetConfigForUpdate().erase(engine);
424	if (count) SysexListeners.SwitchConfig().erase(engine);
425	return count;
426	}
427
428	} // namespace LinuxSampler