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"

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 for engines listening to the same MIDI channel
        {
            for (uint MidiChannel = 0; MidiChannel <= 16; MidiChannel++) {
                std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
                std::set<EngineChannel*>::iterator end        = MidiChannelMap[MidiChannel].end();
                for (; engineiter != end; engineiter++) {
                    Engine* pEngine = (*engineiter)->GetEngine();
                    if (pEngine) pEngine->SendSysex(pData, Size);
                }
            }
        }
        // dispatch event for engines listening to ALL MIDI channels
        {
            for (uint MidiChannel = 0; MidiChannel <= 16; MidiChannel++) {
                std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
                std::set<EngineChannel*>::iterator end        = MidiChannelMap[midi_chan_all].end();
                for (; engineiter != end; engineiter++) {
                    Engine* pEngine = (*engineiter)->GetEngine();
                    if (pEngine) pEngine->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");
            
        Disconnect(pEngineChannel);
        
        MidiChannelMapMutex.Lock();
        MidiChannelMap[MidiChannel].insert(pEngineChannel);
        MidiChannelMapMutex.Unlock();
    }

    void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
        MidiChannelMapMutex.Lock();
        try { for (int i = 0; i <= 16; i++) MidiChannelMap[i].erase(pEngineChannel); }
        catch(...) { /* NOOP */ }
        MidiChannelMapMutex.Unlock();
    }

} // 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
28	schoenebeck	221	namespace LinuxSampler {
29
30			// ************* ParameterName *************
31			// *
32
33			MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort) : DeviceRuntimeParameterString("Port " + ToString(pPort->GetPortNumber())) {
34			this->pPort = pPort;
35			}
36
37			MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort, String val) : DeviceRuntimeParameterString(val) {
38			this->pPort = pPort;
39			}
40
41			String MidiInputPort::ParameterName::Description() {
42			return "Name for this port";
43			}
44
45			bool MidiInputPort::ParameterName::Fix() {
46			return false;
47			}
48
49			std::vector<String> MidiInputPort::ParameterName::PossibilitiesAsString() {
50			return std::vector<String>();
51			}
52
53			void MidiInputPort::ParameterName::OnSetValue(String s) throw (LinuxSamplerException) {
54			return; /* FIXME: Nothing to do here */
55			}
56
57
58
59			// ************* MidiInputPort *************
60			// *
61
62			MidiInputPort::~MidiInputPort() {
63			std::map<String,DeviceRuntimeParameter*>::iterator iter = Parameters.begin();
64			while (iter != Parameters.end()) {
65			Parameters.erase(iter);
66			delete iter->second;
67			iter++;
68			}
69			}
70
71			MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) {
72			this->pDevice = pDevice;
73			this->portNumber = portNumber;
74			Parameters["NAME"] = new ParameterName(this);
75	schoenebeck	551	pPreviousProgramChangeEngineChannel = NULL;
76	schoenebeck	221	}
77
78			MidiInputDevice* MidiInputPort::GetDevice() {
79			return pDevice;
80			}
81
82			uint MidiInputPort::GetPortNumber() {
83			return portNumber;
84			}
85
86			std::map<String,DeviceRuntimeParameter*> MidiInputPort::PortParameters() {
87			return Parameters;
88			}
89
90			void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
91	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
92			{
93	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
94			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
95	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
96			}
97			// dispatch event for engines listening to ALL MIDI channels
98			{
99	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
100			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
101	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
102			}
103	schoenebeck	221	}
104
105			void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
106	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
107			{
108	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
109			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
110	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
111			}
112			// dispatch event for engines listening to ALL MIDI channels
113			{
114	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
115			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
116	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
117			}
118	schoenebeck	221	}
119
120			void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
121	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
122			{
123	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
124			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
125	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
126			}
127			// dispatch event for engines listening to ALL MIDI channels
128			{
129	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
130			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
131	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
132			}
133	schoenebeck	221	}
134
135			void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
136	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
137			{
138	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
139			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
140	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
141			}
142			// dispatch event for engines listening to ALL MIDI channels
143			{
144	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
145			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
146	schoenebeck	274	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
147			}
148	schoenebeck	221	}
149
150	schoenebeck	244	void MidiInputPort::DispatchSysex(void* pData, uint Size) {
151	schoenebeck	274	// dispatch event for engines listening to the same MIDI channel
152			{
153			for (uint MidiChannel = 0; MidiChannel <= 16; MidiChannel++) {
154	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
155			std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
156			for (; engineiter != end; engineiter++) {
157			Engine* pEngine = (*engineiter)->GetEngine();
158			if (pEngine) pEngine->SendSysex(pData, Size);
159			}
160	schoenebeck	274	}
161	schoenebeck	244	}
162	schoenebeck	274	// dispatch event for engines listening to ALL MIDI channels
163			{
164			for (uint MidiChannel = 0; MidiChannel <= 16; MidiChannel++) {
165	schoenebeck	411	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
166			std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
167			for (; engineiter != end; engineiter++) {
168			Engine* pEngine = (*engineiter)->GetEngine();
169			if (pEngine) pEngine->SendSysex(pData, Size);
170			}
171	schoenebeck	274	}
172			}
173	schoenebeck	244	}
174
175	schoenebeck	551	void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
176			if (!pDevice \|\| !pDevice->pSampler) {
177			std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."
178			<< "This is a bug, please report it!\n" << std::flush;
179			return;
180			}
181
182			Sampler* pSampler = (Sampler*) pDevice->pSampler;
183			SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(Program);
184			if (!pSamplerChannel) return;
185
186			EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
187			if (!pEngineChannel) return;
188
189			// disconnect from the engine channel which was connected by the last PC event
190			if (pPreviousProgramChangeEngineChannel)
191			Disconnect(pPreviousProgramChangeEngineChannel);
192
193			// now connect to the new engine channel and remember it
194			try {
195			Connect(pEngineChannel, (midi_chan_t) MidiChannel);
196			pPreviousProgramChangeEngineChannel = pEngineChannel;
197			}
198			catch (...) { /* NOOP */ }
199			}
200
201	schoenebeck	411	void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
202	schoenebeck	221	if (MidiChannel < 0 \|\| MidiChannel > 16)
203			throw MidiInputException("MIDI channel index out of bounds");
204	schoenebeck	551
205	schoenebeck	411	Disconnect(pEngineChannel);
206	schoenebeck	551
207			MidiChannelMapMutex.Lock();
208	schoenebeck	411	MidiChannelMap[MidiChannel].insert(pEngineChannel);
209	schoenebeck	551	MidiChannelMapMutex.Unlock();
210	schoenebeck	221	}
211
212	schoenebeck	411	void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
213	schoenebeck	551	MidiChannelMapMutex.Lock();
214	schoenebeck	411	try { for (int i = 0; i <= 16; i++) MidiChannelMap[i].erase(pEngineChannel); }
215	schoenebeck	221	catch(...) { /* NOOP */ }
216	schoenebeck	551	MidiChannelMapMutex.Unlock();
217	schoenebeck	221	}
218
219			} // namespace LinuxSampler