drivers/midi/MidiInputDevice.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and 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 "MidiInputDevice.h"

namespace LinuxSampler {

    MidiInputDevice::MidiInputDevice(std::map<String,DeviceCreationParameter*> DriverParameters) {
            this->Parameters = DriverParameters;
    }

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

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

    MidiInputDevice::MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) {
            this->pDevice = pDevice;
            this->portNumber = portNumber;
            Parameters["name"] = new ParameterName(this);
    }

    MidiInputDevice* MidiInputDevice::MidiInputPort::GetDevice() {
            return pDevice;
    }

    uint MidiInputDevice::MidiInputPort::GetPortNumber() {
            return portNumber;
    }

    std::map<String,DeviceCreationParameter*> MidiInputDevice::DeviceParameters() {
            return Parameters;
    }

    std::map<String,DeviceCreationParameter*> MidiInputDevice::MidiInputPort::DeviceParameters() {
            return Parameters;
    }

    void MidiInputDevice::MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
        std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
        std::set<Engine*>::iterator end        = MidiChannelMap[MidiChannel].end();
        for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
    }

    void MidiInputDevice::MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
        std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
        std::set<Engine*>::iterator end        = MidiChannelMap[MidiChannel].end();
        for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
    }

    void MidiInputDevice::MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
        std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
        std::set<Engine*>::iterator end        = MidiChannelMap[MidiChannel].end();
        for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
    }

    void MidiInputDevice::MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
        std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
        std::set<Engine*>::iterator end        = MidiChannelMap[MidiChannel].end();
        for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
    }

    void MidiInputDevice::MidiInputPort::Connect(Engine* pEngine, midi_chan_t MidiChannel) {
        if (MidiChannel < 0 || MidiChannel > 16)
            throw MidiInputException("MIDI channel index out of bounds");
        Disconnect(pEngine);
        MidiChannelMap[MidiChannel].insert(pEngine);
    }

    void MidiInputDevice::MidiInputPort::Disconnect(Engine* pEngine) {
        try { for (int i = 0; i <= 16; i++) MidiChannelMap[i].erase(pEngine); }
        catch(...) { /* NOOP */ }
    }

    void MidiInputDevice::AcquirePorts(uint newPorts) {
         int diff = this->Ports.size() - newPorts;
         if (!diff)
                 return; //Number of ports matches already, nothing to do.

         while (diff != 0) {
                 if (diff > 0) {        //We've got too many ports, remove one
                         std::map<int,MidiInputPort*>::iterator portsIter = Ports.end();
                         --portsIter;
                         Ports.erase(portsIter);
                         delete portsIter->second;
                         diff--;
                 }
                 if (diff < 0) {       //We don't have enough ports, create one
                         MidiInputPort* midiPort = this->CreateMidiPort();
                         Ports[midiPort->portNumber] = midiPort;
                         diff++;
                 }
         }
    }

} // namespace LinuxSampler
1	schoenebeck	201	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6			* *
7			* This program is free software; you can redistribute it and/or modify *
8			* it under the terms of the GNU General Public License as published by *
9			* the Free Software Foundation; either version 2 of the License, or *
10			* (at your option) any later version. *
11			* *
12			* This program is distributed in the hope that it will be useful, *
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15			* GNU General Public License for more details. *
16			* *
17			* You should have received a copy of the GNU General Public License *
18			* along with this program; if not, write to the Free Software *
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20			* MA 02111-1307 USA *
21			***************************************************************************/
22
23			#include "MidiInputDevice.h"
24
25			namespace LinuxSampler {
26
27			MidiInputDevice::MidiInputDevice(std::map<String,DeviceCreationParameter*> DriverParameters) {
28			this->Parameters = DriverParameters;
29			}
30
31			MidiInputDevice::~MidiInputDevice() {
32			std::map<String,DeviceCreationParameter*>::iterator iter = Parameters.begin();
33			while (iter != Parameters.end()) {
34			Parameters.erase(iter);
35			delete iter->second;
36			iter++;
37			}
38			}
39
40			MidiInputDevice::MidiInputPort::~MidiInputPort() {
41			std::map<String,DeviceCreationParameter*>::iterator iter = Parameters.begin();
42			while (iter != Parameters.end()) {
43			Parameters.erase(iter);
44			delete iter->second;
45			iter++;
46			}
47			}
48
49			MidiInputDevice::MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) {
50			this->pDevice = pDevice;
51			this->portNumber = portNumber;
52			Parameters["name"] = new ParameterName(this);
53			}
54
55			MidiInputDevice* MidiInputDevice::MidiInputPort::GetDevice() {
56			return pDevice;
57			}
58
59			uint MidiInputDevice::MidiInputPort::GetPortNumber() {
60			return portNumber;
61			}
62
63			std::map<String,DeviceCreationParameter*> MidiInputDevice::DeviceParameters() {
64			return Parameters;
65			}
66
67			std::map<String,DeviceCreationParameter*> MidiInputDevice::MidiInputPort::DeviceParameters() {
68			return Parameters;
69			}
70
71			void MidiInputDevice::MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
72			std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
73			std::set<Engine*>::iterator end = MidiChannelMap[MidiChannel].end();
74			for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
75			}
76
77			void MidiInputDevice::MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
78			std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
79			std::set<Engine*>::iterator end = MidiChannelMap[MidiChannel].end();
80			for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
81			}
82
83			void MidiInputDevice::MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
84			std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
85			std::set<Engine*>::iterator end = MidiChannelMap[MidiChannel].end();
86			for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
87			}
88
89			void MidiInputDevice::MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
90			std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
91			std::set<Engine*>::iterator end = MidiChannelMap[MidiChannel].end();
92			for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
93			}
94
95			void MidiInputDevice::MidiInputPort::Connect(Engine* pEngine, midi_chan_t MidiChannel) {
96			if (MidiChannel < 0 \|\| MidiChannel > 16)
97			throw MidiInputException("MIDI channel index out of bounds");
98			Disconnect(pEngine);
99			MidiChannelMap[MidiChannel].insert(pEngine);
100			}
101
102			void MidiInputDevice::MidiInputPort::Disconnect(Engine* pEngine) {
103			try { for (int i = 0; i <= 16; i++) MidiChannelMap[i].erase(pEngine); }
104			catch(...) { /* NOOP */ }
105			}
106
107			void MidiInputDevice::AcquirePorts(uint newPorts) {
108			int diff = this->Ports.size() - newPorts;
109			if (!diff)
110			return; //Number of ports matches already, nothing to do.
111
112			while (diff != 0) {
113			if (diff > 0) { //We've got too many ports, remove one
114			std::map<int,MidiInputPort*>::iterator portsIter = Ports.end();
115			--portsIter;
116			Ports.erase(portsIter);
117			delete portsIter->second;
118			diff--;
119			}
120			if (diff < 0) { //We don't have enough ports, create one
121			MidiInputPort* midiPort = this->CreateMidiPort();
122			Ports[midiPort->portNumber] = midiPort;
123			diff++;
124			}
125			}
126			}
127
128			} // namespace LinuxSampler