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()) {
            delete iter->second;
            iter++;
        }
        Parameters.clear();
    }

    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) {
        const MidiChannelMap_t& midiChannelMap = MidiChannelMap.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);
        }
        MidiChannelMap.Unlock();
    }

    void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
        const MidiChannelMap_t& midiChannelMap = MidiChannelMap.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);
        }
        MidiChannelMap.Unlock();
    }

    void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
        const MidiChannelMap_t& midiChannelMap = MidiChannelMap.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);
        }
        MidiChannelMap.Unlock();
    }

    void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
        const MidiChannelMap_t& midiChannelMap = MidiChannelMap.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);
        }
        MidiChannelMap.Unlock();
    }

    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");

        // 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);
    }

} // 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 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 "../../Sampler.h"
27	#include "../../engines/EngineFactory.h"
28
29	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	delete iter->second;
67	iter++;
68	}
69	Parameters.clear();
70	}
71
72	MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) {
73	this->pDevice = pDevice;
74	this->portNumber = portNumber;
75	Parameters["NAME"] = new ParameterName(this);
76	pPreviousProgramChangeEngineChannel = NULL;
77	}
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	const MidiChannelMap_t& midiChannelMap = MidiChannelMap.Lock();
93	// dispatch event for engines listening to the same MIDI channel
94	{
95	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
96	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
97	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
98	}
99	// dispatch event for engines listening to ALL MIDI channels
100	{
101	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
102	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
103	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
104	}
105	MidiChannelMap.Unlock();
106	}
107
108	void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
109	const MidiChannelMap_t& midiChannelMap = MidiChannelMap.Lock();
110	// dispatch event for engines listening to the same MIDI channel
111	{
112	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
113	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
114	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
115	}
116	// dispatch event for engines listening to ALL MIDI channels
117	{
118	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
119	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
120	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
121	}
122	MidiChannelMap.Unlock();
123	}
124
125	void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
126	const MidiChannelMap_t& midiChannelMap = MidiChannelMap.Lock();
127	// dispatch event for engines listening to the same MIDI channel
128	{
129	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
130	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
131	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
132	}
133	// dispatch event for engines listening to ALL MIDI channels
134	{
135	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
136	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
137	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
138	}
139	MidiChannelMap.Unlock();
140	}
141
142	void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
143	const MidiChannelMap_t& midiChannelMap = MidiChannelMap.Lock();
144	// dispatch event for engines listening to the same MIDI channel
145	{
146	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
147	std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
148	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
149	}
150	// dispatch event for engines listening to ALL MIDI channels
151	{
152	std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
153	std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
154	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
155	}
156	MidiChannelMap.Unlock();
157	}
158
159	void MidiInputPort::DispatchSysex(void* pData, uint Size) {
160	// dispatch event to all engine instances
161	std::set<Engine*>::iterator engineiter = EngineFactory::EngineInstances().begin();
162	std::set<Engine*>::iterator end = EngineFactory::EngineInstances().end();
163	for (; engineiter != end; engineiter++) (*engineiter)->SendSysex(pData, Size);
164	}
165
166	void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
167	if (!pDevice \|\| !pDevice->pSampler) {
168	std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."
169	<< "This is a bug, please report it!\n" << std::flush;
170	return;
171	}
172
173	Sampler* pSampler = (Sampler*) pDevice->pSampler;
174	SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(Program);
175	if (!pSamplerChannel) return;
176
177	EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
178	if (!pEngineChannel) return;
179
180	// disconnect from the engine channel which was connected by the last PC event
181	if (pPreviousProgramChangeEngineChannel)
182	Disconnect(pPreviousProgramChangeEngineChannel);
183
184	// now connect to the new engine channel and remember it
185	try {
186	Connect(pEngineChannel, (midi_chan_t) MidiChannel);
187	pPreviousProgramChangeEngineChannel = pEngineChannel;
188	}
189	catch (...) { /* NOOP */ }
190	}
191
192	void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
193	if (MidiChannel < 0 \|\| MidiChannel > 16)
194	throw MidiInputException("MIDI channel index out of bounds");
195
196	// first check if desired connection is already established
197	MidiChannelMapMutex.Lock();
198	MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
199	bool bAlreadyDone = midiChannelMap[MidiChannel].count(pEngineChannel);
200	MidiChannelMapMutex.Unlock();
201	if (bAlreadyDone) return;
202
203	// remove all other connections of that engine channel (if any)
204	Disconnect(pEngineChannel);
205
206	// register engine channel on the desired MIDI channel
207	MidiChannelMapMutex.Lock();
208	MidiChannelMap.GetConfigForUpdate()[MidiChannel].insert(pEngineChannel);
209	MidiChannelMap.SwitchConfig()[MidiChannel].insert(pEngineChannel);
210	MidiChannelMapMutex.Unlock();
211
212	// inform engine channel about this connection
213	pEngineChannel->Connect(this, MidiChannel);
214
215	// mark engine channel as changed
216	pEngineChannel->StatusChanged(true);
217	}
218
219	void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
220	if (!pEngineChannel) return;
221
222	bool bChannelFound = false;
223
224	// unregister engine channel from all MIDI channels
225	MidiChannelMapMutex.Lock();
226	try {
227	{
228	MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
229	for (int i = 0; i <= 16; i++) {
230	bChannelFound \|= midiChannelMap[i].count(pEngineChannel);
231	midiChannelMap[i].erase(pEngineChannel);
232	}
233	}
234	// do the same update again, after switching to the other config
235	{
236	MidiChannelMap_t& midiChannelMap = MidiChannelMap.SwitchConfig();
237	for (int i = 0; i <= 16; i++) {
238	bChannelFound \|= midiChannelMap[i].count(pEngineChannel);
239	midiChannelMap[i].erase(pEngineChannel);
240	}
241	}
242	}
243	catch(...) { /* NOOP */ }
244	MidiChannelMapMutex.Unlock();
245
246	// inform engine channel about the disconnection (if there is one)
247	if (bChannelFound) pEngineChannel->DisconnectMidiInputPort();
248
249	// mark engine channel as changed
250	pEngineChannel->StatusChanged(true);
251	}
252
253	} // namespace LinuxSampler