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 "../../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);
        pPreviousProgramChangeEngineChannel = NULL;
    }

    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) {
        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;
        }

        Sampler*        pSampler        = (Sampler*) pDevice->pSampler;
        SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(Program);
        if (!pSamplerChannel) return;

        EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
        if (!pEngineChannel) return;

        // disconnect from the engine channel which was connected by the last PC event
        if (pPreviousProgramChangeEngineChannel)
            Disconnect(pPreviousProgramChangeEngineChannel);

        // now connect to the new engine channel and remember it
        try {
            Connect(pEngineChannel, (midi_chan_t) MidiChannel);
            pPreviousProgramChangeEngineChannel = pEngineChannel;
        }
        catch (...) { /* NOOP */ }
    }

    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	schoenebeck	221	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	schoenebeck	880	* Copyright (C) 2005, 2006 Christian Schoenebeck *
7	schoenebeck	221	* *
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	schoenebeck	551	#include "../../Sampler.h"
27	schoenebeck	775	#include "../../engines/EngineFactory.h"
28	schoenebeck	551
29	schoenebeck	221	namespace LinuxSampler {
30
31			// ************* ParameterName *************
32			// *
33
34			MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort) : DeviceRuntimeParameterString("Port " + ToString(pPort->GetPortNumber())) {
35			this->pPort = pPort;
36			}
37
38			MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort, String val) : DeviceRuntimeParameterString(val) {
39			this->pPort = pPort;
40			}
41
42			String MidiInputPort::ParameterName::Description() {
43			return "Name for this port";
44			}
45
46			bool MidiInputPort::ParameterName::Fix() {
47			return false;
48			}
49
50			std::vector<String> MidiInputPort::ParameterName::PossibilitiesAsString() {
51			return std::vector<String>();
52			}
53
54	schoenebeck	880	void MidiInputPort::ParameterName::OnSetValue(String s) throw (Exception) {
55	schoenebeck	221	return; /* FIXME: Nothing to do here */
56			}
57
58
59
60			// ************* MidiInputPort *************
61			// *
62
63			MidiInputPort::~MidiInputPort() {
64			std::map<String,DeviceRuntimeParameter*>::iterator iter = Parameters.begin();
65			while (iter != Parameters.end()) {
66			delete iter->second;
67			iter++;
68			}
69	persson	836	Parameters.clear();
70	schoenebeck	221	}
71
72	persson	846	MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber)
73			: MidiChannelMapReader(MidiChannelMap),
74			SysexListenersReader(SysexListeners) {
75	schoenebeck	221	this->pDevice = pDevice;
76			this->portNumber = portNumber;
77			Parameters["NAME"] = new ParameterName(this);
78	schoenebeck	551	pPreviousProgramChangeEngineChannel = NULL;
79	schoenebeck	221	}
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	persson	922	if (Key > 127 \|\| Velocity > 127 \|\| MidiChannel > 16) return;
95	persson	846	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
96	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
97			{
98	persson	840	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
99			std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
100	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
101			}
102			// dispatch event for engines listening to ALL MIDI channels
103			{
104	persson	840	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
105			std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
106	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
107			}
108	persson	846	MidiChannelMapReader.Unlock();
109	schoenebeck	221	}
110
111	schoenebeck	906	void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel, int32_t FragmentPos) {
112	persson	922	if (Key > 127 \|\| Velocity > 127 \|\| MidiChannel > 16) return;
113	schoenebeck	906	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	schoenebeck	221	void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
130	persson	922	if (Key > 127 \|\| Velocity > 127 \|\| MidiChannel > 16) return;
131	persson	846	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
132	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
133			{
134	persson	840	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
135			std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
136	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
137			}
138			// dispatch event for engines listening to ALL MIDI channels
139			{
140	persson	840	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
141			std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
142	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
143			}
144	persson	846	MidiChannelMapReader.Unlock();
145	schoenebeck	221	}
146
147	schoenebeck	906	void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel, int32_t FragmentPos) {
148	persson	922	if (Key > 127 \|\| Velocity > 127 \|\| MidiChannel > 16) return;
149	schoenebeck	906	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	schoenebeck	221	void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
166	persson	922	if (Pitch < -8192 \|\| Pitch > 8191 \|\| MidiChannel > 16) return;
167	persson	846	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
168	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
169			{
170	persson	840	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
171			std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
172	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
173			}
174			// dispatch event for engines listening to ALL MIDI channels
175			{
176	persson	840	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
177			std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
178	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
179			}
180	persson	846	MidiChannelMapReader.Unlock();
181	schoenebeck	221	}
182
183	schoenebeck	906	void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel, int32_t FragmentPos) {
184	persson	922	if (Pitch < -8192 \|\| Pitch > 8191 \|\| MidiChannel > 16) return;
185	schoenebeck	906	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	schoenebeck	221	void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
202	persson	922	if (Controller > 128 \|\| Value > 127 \|\| MidiChannel > 16) return;
203	persson	846	const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
204	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
205			{
206	persson	840	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
207			std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
208	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
209			}
210			// dispatch event for engines listening to ALL MIDI channels
211			{
212	persson	840	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
213			std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
214	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
215			}
216	persson	846	MidiChannelMapReader.Unlock();
217	schoenebeck	221	}
218
219	schoenebeck	906	void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel, int32_t FragmentPos) {
220	persson	922	if (Controller > 128 \|\| Value > 127 \|\| MidiChannel > 16) return;
221	schoenebeck	906	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	schoenebeck	244	void MidiInputPort::DispatchSysex(void* pData, uint Size) {
238	persson	846	const std::set<Engine*> allEngines = SysexListenersReader.Lock();
239	schoenebeck	775	// dispatch event to all engine instances
240	persson	846	std::set<Engine*>::iterator engineiter = allEngines.begin();
241			std::set<Engine*>::iterator end = allEngines.end();
242	schoenebeck	775	for (; engineiter != end; engineiter++) (*engineiter)->SendSysex(pData, Size);
243	persson	846	SysexListenersReader.Unlock();
244	schoenebeck	244	}
245
246	schoenebeck	670	void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
247	persson	922	if (Program > 127 \|\| MidiChannel > 16) return;
248	schoenebeck	551	if (!pDevice \|\| !pDevice->pSampler) {
249			std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."
250			<< "This is a bug, please report it!\n" << std::flush;
251			return;
252			}
253
254			Sampler* pSampler = (Sampler*) pDevice->pSampler;
255			SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(Program);
256			if (!pSamplerChannel) return;
257
258			EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
259			if (!pEngineChannel) return;
260
261			// disconnect from the engine channel which was connected by the last PC event
262			if (pPreviousProgramChangeEngineChannel)
263			Disconnect(pPreviousProgramChangeEngineChannel);
264	schoenebeck	670
265	schoenebeck	551	// now connect to the new engine channel and remember it
266			try {
267			Connect(pEngineChannel, (midi_chan_t) MidiChannel);
268			pPreviousProgramChangeEngineChannel = pEngineChannel;
269			}
270			catch (...) { /* NOOP */ }
271			}
272
273	schoenebeck	411	void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
274	schoenebeck	221	if (MidiChannel < 0 \|\| MidiChannel > 16)
275			throw MidiInputException("MIDI channel index out of bounds");
276	schoenebeck	670
277	persson	840	// first check if desired connection is already established
278	schoenebeck	675	MidiChannelMapMutex.Lock();
279	persson	840	MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
280			bool bAlreadyDone = midiChannelMap[MidiChannel].count(pEngineChannel);
281	schoenebeck	675	MidiChannelMapMutex.Unlock();
282			if (bAlreadyDone) return;
283
284			// remove all other connections of that engine channel (if any)
285	schoenebeck	411	Disconnect(pEngineChannel);
286	schoenebeck	670
287	schoenebeck	675	// register engine channel on the desired MIDI channel
288	schoenebeck	551	MidiChannelMapMutex.Lock();
289	persson	840	MidiChannelMap.GetConfigForUpdate()[MidiChannel].insert(pEngineChannel);
290			MidiChannelMap.SwitchConfig()[MidiChannel].insert(pEngineChannel);
291	schoenebeck	551	MidiChannelMapMutex.Unlock();
292	schoenebeck	670
293	schoenebeck	675	// inform engine channel about this connection
294			pEngineChannel->Connect(this, MidiChannel);
295
296	schoenebeck	670	// mark engine channel as changed
297			pEngineChannel->StatusChanged(true);
298	schoenebeck	221	}
299
300	schoenebeck	411	void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
301	schoenebeck	675	if (!pEngineChannel) return;
302
303			bool bChannelFound = false;
304
305			// unregister engine channel from all MIDI channels
306	schoenebeck	551	MidiChannelMapMutex.Lock();
307	schoenebeck	675	try {
308	persson	840	{
309			MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
310			for (int i = 0; i <= 16; i++) {
311			bChannelFound \|= midiChannelMap[i].count(pEngineChannel);
312			midiChannelMap[i].erase(pEngineChannel);
313			}
314	schoenebeck	675	}
315	persson	840	// do the same update again, after switching to the other config
316			{
317			MidiChannelMap_t& midiChannelMap = MidiChannelMap.SwitchConfig();
318			for (int i = 0; i <= 16; i++) {
319			bChannelFound \|= midiChannelMap[i].count(pEngineChannel);
320			midiChannelMap[i].erase(pEngineChannel);
321			}
322			}
323	schoenebeck	675	}
324	schoenebeck	221	catch(...) { /* NOOP */ }
325	schoenebeck	551	MidiChannelMapMutex.Unlock();
326	schoenebeck	675
327			// inform engine channel about the disconnection (if there is one)
328			if (bChannelFound) pEngineChannel->DisconnectMidiInputPort();
329
330	schoenebeck	670	// mark engine channel as changed
331			pEngineChannel->StatusChanged(true);
332	schoenebeck	221	}
333
334	persson	846	SynchronizedConfig<std::set<LinuxSampler::Engine*> > MidiInputPort::SysexListeners;
335
336			void MidiInputPort::AddSysexListener(Engine* engine) {
337			std::pair<std::set<Engine*>::iterator, bool> p = SysexListeners.GetConfigForUpdate().insert(engine);
338			if (p.second) SysexListeners.SwitchConfig().insert(engine);
339			}
340
341			bool MidiInputPort::RemoveSysexListener(Engine* engine) {
342			int count = SysexListeners.GetConfigForUpdate().erase(engine);
343			if (count) SysexListeners.SwitchConfig().erase(engine);
344			return count;
345			}
346
347	schoenebeck	221	} // namespace LinuxSampler