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;
        }
        std::vector<int> maps = MidiInstrumentMapper::Maps();
        if (maps.empty()) 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);
                if ((*engineiter)->UsesNoMidiInstrumentMap()) continue;
                // retrieve the MIDI instrument map this engine channel is assigned to
                int iMapID = ((*engineiter)->UsesDefaultMidiInstrumentMap())
                    ? maps[0] /*default*/ : (*engineiter)->GetMidiInstrumentMap();
                // is there an entry for this MIDI bank&prog pair in that map?
                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(iMapID, 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);
                if ((*engineiter)->UsesNoMidiInstrumentMap()) continue;
                // retrieve the MIDI instrument map this engine channel is assigned to
                int iMapID = ((*engineiter)->UsesDefaultMidiInstrumentMap())
                    ? maps[0] /*default*/ : (*engineiter)->GetMidiInstrumentMap();
                // is there an entry for this MIDI bank&prog pair in that map?
                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(iMapID, 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	std::vector<int> maps = MidiInstrumentMapper::Maps();
255	if (maps.empty()) return;
256
257	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
258	// dispatch event for engines listening to the same MIDI channel
259	{
260	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
261	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
262	for (; engineiter != end; engineiter++) {
263	(*engineiter)->SetMidiProgram(Program);
264	if ((*engineiter)->UsesNoMidiInstrumentMap()) continue;
265	// retrieve the MIDI instrument map this engine channel is assigned to
266	int iMapID = ((*engineiter)->UsesDefaultMidiInstrumentMap())
267	? maps[0] /default/ : (*engineiter)->GetMidiInstrumentMap();
268	// is there an entry for this MIDI bank&prog pair in that map?
269	midi_prog_index_t midiIndex;
270	midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();
271	midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();
272	midiIndex.midi_prog = (*engineiter)->GetMidiProgram();
273	optional<MidiInstrumentMapper::entry_t> mapping =
274	MidiInstrumentMapper::GetEntry(iMapID, midiIndex);
275	if (mapping) { // if mapping exists ...
276	InstrumentManager::instrument_id_t id;
277	id.FileName = mapping->InstrumentFile;
278	id.Index = mapping->InstrumentIndex;
279	//TODO: we should switch the engine type here
280	InstrumentManager::LoadInstrumentInBackground(id, *engineiter);
281	(*engineiter)->Volume(mapping->Volume);
282	}
283	}
284	}
285	// dispatch event for engines listening to ALL MIDI channels
286	{
287	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
288	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
289	for (; engineiter != end; engineiter++) {
290	(*engineiter)->SetMidiProgram(Program);
291	if ((*engineiter)->UsesNoMidiInstrumentMap()) continue;
292	// retrieve the MIDI instrument map this engine channel is assigned to
293	int iMapID = ((*engineiter)->UsesDefaultMidiInstrumentMap())
294	? maps[0] /default/ : (*engineiter)->GetMidiInstrumentMap();
295	// is there an entry for this MIDI bank&prog pair in that map?
296	midi_prog_index_t midiIndex;
297	midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();
298	midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();
299	midiIndex.midi_prog = (*engineiter)->GetMidiProgram();
300	optional<MidiInstrumentMapper::entry_t> mapping =
301	MidiInstrumentMapper::GetEntry(iMapID, midiIndex);
302	if (mapping) { // if mapping exists ...
303	InstrumentManager::instrument_id_t id;
304	id.FileName = mapping->InstrumentFile;
305	id.Index = mapping->InstrumentIndex;
306	//TODO: we should switch the engine type here
307	InstrumentManager::LoadInstrumentInBackground(id, *engineiter);
308	(*engineiter)->Volume(mapping->Volume);
309	}
310	}
311	}
312	MidiChannelMapReader.Unlock();
313	}
314
315	void MidiInputPort::DispatchBankSelectMsb(uint8_t BankMSB, uint MidiChannel) {
316	if (BankMSB > 127 \|\| MidiChannel > 16) return;
317	if (!pDevice \|\| !pDevice->pSampler) {
318	std::cerr << "MidiInputPort: ERROR, no sampler instance to handle bank select MSB."
319	<< "This is a bug, please report it!\n" << std::flush;
320	return;
321	}
322	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
323	// dispatch event for engines listening to the same MIDI channel
324	{
325	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
326	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
327	// according to the MIDI specs, a bank select should not alter the patch
328	for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankMsb(BankMSB);
329	}
330	// dispatch event for engines listening to ALL MIDI channels
331	{
332	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
333	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
334	// according to the MIDI specs, a bank select should not alter the patch
335	for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankMsb(BankMSB);
336	}
337	MidiChannelMapReader.Unlock();
338	}
339
340	void MidiInputPort::DispatchBankSelectLsb(uint8_t BankLSB, uint MidiChannel) {
341	if (BankLSB > 127 \|\| MidiChannel > 16) return;
342	if (!pDevice \|\| !pDevice->pSampler) {
343	std::cerr << "MidiInputPort: ERROR, no sampler instance to handle bank select LSB."
344	<< "This is a bug, please report it!\n" << std::flush;
345	return;
346	}
347	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
348	// dispatch event for engines listening to the same MIDI channel
349	{
350	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
351	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
352	// according to the MIDI specs, a bank select should not alter the patch
353	for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankLsb(BankLSB);
354	}
355	// dispatch event for engines listening to ALL MIDI channels
356	{
357	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
358	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
359	// according to the MIDI specs, a bank select should not alter the patch
360	for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankLsb(BankLSB);
361	}
362	MidiChannelMapReader.Unlock();
363	}
364
365	void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
366	if (MidiChannel < 0 \|\| MidiChannel > 16)
367	throw MidiInputException("MIDI channel index out of bounds");
368
369	// first check if desired connection is already established
370	MidiChannelMapMutex.Lock();
371	MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
372	bool bAlreadyDone = midiChannelMap[MidiChannel].count(pEngineChannel);
373	MidiChannelMapMutex.Unlock();
374	if (bAlreadyDone) return;
375
376	// remove all other connections of that engine channel (if any)
377	Disconnect(pEngineChannel);
378
379	// register engine channel on the desired MIDI channel
380	MidiChannelMapMutex.Lock();
381	MidiChannelMap.GetConfigForUpdate()[MidiChannel].insert(pEngineChannel);
382	MidiChannelMap.SwitchConfig()[MidiChannel].insert(pEngineChannel);
383	MidiChannelMapMutex.Unlock();
384
385	// inform engine channel about this connection
386	pEngineChannel->Connect(this, MidiChannel);
387
388	// mark engine channel as changed
389	pEngineChannel->StatusChanged(true);
390	}
391
392	void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
393	if (!pEngineChannel) return;
394
395	bool bChannelFound = false;
396
397	// unregister engine channel from all MIDI channels
398	MidiChannelMapMutex.Lock();
399	try {
400	{
401	MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
402	for (int i = 0; i <= 16; i++) {
403	bChannelFound \|= midiChannelMap[i].count(pEngineChannel);
404	midiChannelMap[i].erase(pEngineChannel);
405	}
406	}
407	// do the same update again, after switching to the other config
408	{
409	MidiChannelMap_t& midiChannelMap = MidiChannelMap.SwitchConfig();
410	for (int i = 0; i <= 16; i++) {
411	bChannelFound \|= midiChannelMap[i].count(pEngineChannel);
412	midiChannelMap[i].erase(pEngineChannel);
413	}
414	}
415	}
416	catch(...) { /* NOOP */ }
417	MidiChannelMapMutex.Unlock();
418
419	// inform engine channel about the disconnection (if there is one)
420	if (bChannelFound) pEngineChannel->DisconnectMidiInputPort();
421
422	// mark engine channel as changed
423	pEngineChannel->StatusChanged(true);
424	}
425
426	SynchronizedConfig<std::set<LinuxSampler::Engine*> > MidiInputPort::SysexListeners;
427
428	void MidiInputPort::AddSysexListener(Engine* engine) {
429	std::pair<std::set<Engine*>::iterator, bool> p = SysexListeners.GetConfigForUpdate().insert(engine);
430	if (p.second) SysexListeners.SwitchConfig().insert(engine);
431	}
432
433	bool MidiInputPort::RemoveSysexListener(Engine* engine) {
434	int count = SysexListeners.GetConfigForUpdate().erase(engine);
435	if (count) SysexListeners.SwitchConfig().erase(engine);
436	return count;
437	}
438
439	} // namespace LinuxSampler