drivers/midi/MidiInputPort.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 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 (LinuxSamplerException) {
        return; /* FIXME: Nothing to do here */
    }


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

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

    MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) {
        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) {
        // 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);
        }
    }

    void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
        // 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);
        }
    }

    void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
        // 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);
        }
    }

    void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
        // 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);
        }
    }

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

    void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
        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");

        // firt check if desired connection is already established
        MidiChannelMapMutex.Lock();
        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[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 {
            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);
    }

} // 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	411	* Copyright (C) 2005 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			void MidiInputPort::ParameterName::OnSetValue(String s) throw (LinuxSamplerException) {
55			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			Parameters.erase(iter);
67			delete iter->second;
68			iter++;
69			}
70			}
71
72			MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) {
73			this->pDevice = pDevice;
74			this->portNumber = portNumber;
75			Parameters["NAME"] = new ParameterName(this);
76	schoenebeck	551	pPreviousProgramChangeEngineChannel = NULL;
77	schoenebeck	221	}
78
79			MidiInputDevice* MidiInputPort::GetDevice() {
80			return pDevice;
81			}
82
83			uint MidiInputPort::GetPortNumber() {
84			return portNumber;
85			}
86
87			std::map<String,DeviceRuntimeParameter*> MidiInputPort::PortParameters() {
88			return Parameters;
89			}
90
91			void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
92	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
93			{
94	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
95			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
96	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
97			}
98			// dispatch event for engines listening to ALL MIDI channels
99			{
100	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
101			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
102	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
103			}
104	schoenebeck	221	}
105
106			void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
107	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
108			{
109	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
110			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
111	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
112			}
113			// dispatch event for engines listening to ALL MIDI channels
114			{
115	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
116			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
117	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
118			}
119	schoenebeck	221	}
120
121			void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
122	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
123			{
124	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
125			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
126	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
127			}
128			// dispatch event for engines listening to ALL MIDI channels
129			{
130	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
131			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
132	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
133			}
134	schoenebeck	221	}
135
136			void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
137	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
138			{
139	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
140			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
141	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
142			}
143			// dispatch event for engines listening to ALL MIDI channels
144			{
145	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
146			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
147	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
148			}
149	schoenebeck	221	}
150
151	schoenebeck	244	void MidiInputPort::DispatchSysex(void* pData, uint Size) {
152	schoenebeck	775	// dispatch event to all engine instances
153			std::set<Engine*>::iterator engineiter = EngineFactory::EngineInstances().begin();
154			std::set<Engine*>::iterator end = EngineFactory::EngineInstances().end();
155			for (; engineiter != end; engineiter++) (*engineiter)->SendSysex(pData, Size);
156	schoenebeck	244	}
157
158	schoenebeck	670	void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
159	schoenebeck	551	if (!pDevice \|\| !pDevice->pSampler) {
160			std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."
161			<< "This is a bug, please report it!\n" << std::flush;
162			return;
163			}
164
165			Sampler* pSampler = (Sampler*) pDevice->pSampler;
166			SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(Program);
167			if (!pSamplerChannel) return;
168
169			EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
170			if (!pEngineChannel) return;
171
172			// disconnect from the engine channel which was connected by the last PC event
173			if (pPreviousProgramChangeEngineChannel)
174			Disconnect(pPreviousProgramChangeEngineChannel);
175	schoenebeck	670
176	schoenebeck	551	// now connect to the new engine channel and remember it
177			try {
178			Connect(pEngineChannel, (midi_chan_t) MidiChannel);
179			pPreviousProgramChangeEngineChannel = pEngineChannel;
180			}
181			catch (...) { /* NOOP */ }
182			}
183
184	schoenebeck	411	void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
185	schoenebeck	221	if (MidiChannel < 0 \|\| MidiChannel > 16)
186			throw MidiInputException("MIDI channel index out of bounds");
187	schoenebeck	670
188	schoenebeck	675	// firt check if desired connection is already established
189			MidiChannelMapMutex.Lock();
190			bool bAlreadyDone = MidiChannelMap[MidiChannel].count(pEngineChannel);
191			MidiChannelMapMutex.Unlock();
192			if (bAlreadyDone) return;
193
194			// remove all other connections of that engine channel (if any)
195	schoenebeck	411	Disconnect(pEngineChannel);
196	schoenebeck	670
197	schoenebeck	675	// register engine channel on the desired MIDI channel
198	schoenebeck	551	MidiChannelMapMutex.Lock();
199	schoenebeck	411	MidiChannelMap[MidiChannel].insert(pEngineChannel);
200	schoenebeck	551	MidiChannelMapMutex.Unlock();
201	schoenebeck	670
202	schoenebeck	675	// inform engine channel about this connection
203			pEngineChannel->Connect(this, MidiChannel);
204
205	schoenebeck	670	// mark engine channel as changed
206			pEngineChannel->StatusChanged(true);
207	schoenebeck	221	}
208
209	schoenebeck	411	void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
210	schoenebeck	675	if (!pEngineChannel) return;
211
212			bool bChannelFound = false;
213
214			// unregister engine channel from all MIDI channels
215	schoenebeck	551	MidiChannelMapMutex.Lock();
216	schoenebeck	675	try {
217			for (int i = 0; i <= 16; i++) {
218			bChannelFound \|= MidiChannelMap[i].count(pEngineChannel);
219			MidiChannelMap[i].erase(pEngineChannel);
220			}
221			}
222	schoenebeck	221	catch(...) { /* NOOP */ }
223	schoenebeck	551	MidiChannelMapMutex.Unlock();
224	schoenebeck	675
225			// inform engine channel about the disconnection (if there is one)
226			if (bChannelFound) pEngineChannel->DisconnectMidiInputPort();
227
228	schoenebeck	670	// mark engine channel as changed
229			pEngineChannel->StatusChanged(true);
230	schoenebeck	221	}
231
232			} // namespace LinuxSampler