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");

        // 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	/***************************************************************************
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
28	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	pPreviousProgramChangeEngineChannel = NULL;
76	}
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	// dispatch event for engines listening to the same MIDI channel
92	{
93	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
94	std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
95	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
96	}
97	// dispatch event for engines listening to ALL MIDI channels
98	{
99	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
100	std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
101	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
102	}
103	}
104
105	void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
106	// dispatch event for engines listening to the same MIDI channel
107	{
108	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
109	std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
110	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
111	}
112	// dispatch event for engines listening to ALL MIDI channels
113	{
114	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
115	std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
116	for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
117	}
118	}
119
120	void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
121	// dispatch event for engines listening to the same MIDI channel
122	{
123	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
124	std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
125	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
126	}
127	// dispatch event for engines listening to ALL MIDI channels
128	{
129	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
130	std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
131	for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
132	}
133	}
134
135	void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
136	// dispatch event for engines listening to the same MIDI channel
137	{
138	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
139	std::set<EngineChannel*>::iterator end = MidiChannelMap[MidiChannel].end();
140	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
141	}
142	// dispatch event for engines listening to ALL MIDI channels
143	{
144	std::set<EngineChannel*>::iterator engineiter = MidiChannelMap[midi_chan_all].begin();
145	std::set<EngineChannel*>::iterator end = MidiChannelMap[midi_chan_all].end();
146	for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
147	}
148	}
149
150	void MidiInputPort::DispatchSysex(void* pData, uint Size) {
151	// dispatch event for engines listening to the same MIDI channel
152	{
153	for (uint MidiChannel = 0; MidiChannel <= 16; MidiChannel++) {
154	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	}
161	}
162	// dispatch event for engines listening to ALL MIDI channels
163	{
164	for (uint MidiChannel = 0; MidiChannel <= 16; MidiChannel++) {
165	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	}
172	}
173	}
174
175	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	void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
202	if (MidiChannel < 0 \|\| MidiChannel > 16)
203	throw MidiInputException("MIDI channel index out of bounds");
204
205	// firt check if desired connection is already established
206	MidiChannelMapMutex.Lock();
207	bool bAlreadyDone = MidiChannelMap[MidiChannel].count(pEngineChannel);
208	MidiChannelMapMutex.Unlock();
209	if (bAlreadyDone) return;
210
211	// remove all other connections of that engine channel (if any)
212	Disconnect(pEngineChannel);
213
214	// register engine channel on the desired MIDI channel
215	MidiChannelMapMutex.Lock();
216	MidiChannelMap[MidiChannel].insert(pEngineChannel);
217	MidiChannelMapMutex.Unlock();
218
219	// inform engine channel about this connection
220	pEngineChannel->Connect(this, MidiChannel);
221
222	// mark engine channel as changed
223	pEngineChannel->StatusChanged(true);
224	}
225
226	void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
227	if (!pEngineChannel) return;
228
229	bool bChannelFound = false;
230
231	// unregister engine channel from all MIDI channels
232	MidiChannelMapMutex.Lock();
233	try {
234	for (int i = 0; i <= 16; i++) {
235	bChannelFound \|= MidiChannelMap[i].count(pEngineChannel);
236	MidiChannelMap[i].erase(pEngineChannel);
237	}
238	}
239	catch(...) { /* NOOP */ }
240	MidiChannelMapMutex.Unlock();
241
242	// inform engine channel about the disconnection (if there is one)
243	if (bChannelFound) pEngineChannel->DisconnectMidiInputPort();
244
245	// mark engine channel as changed
246	pEngineChannel->StatusChanged(true);
247	}
248
249	} // namespace LinuxSampler