src/mididriver/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++;
            }
    }

    std::map<String,DeviceCreationParameter*> MidiInputDevice::AvailableParameters() {
            static const std::map<String,DeviceCreationParameter*> available_parameters = CreateAvailableParameters();
            return available_parameters;
    }
                                                                                                                                                            
    std::map<String,DeviceCreationParameter*> MidiInputDevice::CreateAvailableParameters() {
            static ParameterActive     param_active(NULL);
            static ParameterPorts      param_ports(NULL);
            std::map<String,DeviceCreationParameter*> result;
            result["active"]     = &param_active;
            result["ports"]      = &param_ports;
            return result;
    }

    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();
                         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	53	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	schoenebeck	56	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	schoenebeck	53	* *
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	senkov	153	MidiInputDevice::MidiInputDevice(std::map<String,DeviceCreationParameter*> DriverParameters) {
28			this->Parameters = DriverParameters;
29	schoenebeck	64	}
30
31	senkov	153	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			std::map<String,DeviceCreationParameter*> MidiInputDevice::AvailableParameters() {
41			static const std::map<String,DeviceCreationParameter*> available_parameters = CreateAvailableParameters();
42			return available_parameters;
43			}
44
45			std::map<String,DeviceCreationParameter*> MidiInputDevice::CreateAvailableParameters() {
46			static ParameterActive param_active(NULL);
47			static ParameterPorts param_ports(NULL);
48			std::map<String,DeviceCreationParameter*> result;
49			result["active"] = &param_active;
50			result["ports"] = &param_ports;
51			return result;
52			}
53
54			MidiInputDevice::MidiInputPort::~MidiInputPort() {
55			std::map<String,DeviceCreationParameter*>::iterator iter = Parameters.begin();
56			while (iter != Parameters.end()) {
57			Parameters.erase(iter);
58			delete iter->second;
59			iter++;
60			}
61			}
62
63	senkov	157	MidiInputDevice::MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber) {
64			this->pDevice = pDevice;
65			this->portNumber = portNumber;
66			Parameters["name"] = new ParameterName(this);
67			}
68
69	senkov	153	MidiInputDevice* MidiInputDevice::MidiInputPort::GetDevice() {
70			return pDevice;
71			}
72
73			uint MidiInputDevice::MidiInputPort::GetPortNumber() {
74			return portNumber;
75			}
76
77			std::map<String,DeviceCreationParameter*> MidiInputDevice::DeviceParameters() {
78			return Parameters;
79			}
80
81			std::map<String,DeviceCreationParameter*> MidiInputDevice::MidiInputPort::DeviceParameters() {
82			return Parameters;
83			}
84
85			void MidiInputDevice::MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
86	schoenebeck	53	std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
87			std::set<Engine*>::iterator end = MidiChannelMap[MidiChannel].end();
88			for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
89			}
90
91	senkov	153	void MidiInputDevice::MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
92	schoenebeck	53	std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
93			std::set<Engine*>::iterator end = MidiChannelMap[MidiChannel].end();
94			for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
95			}
96
97	senkov	153	void MidiInputDevice::MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
98	schoenebeck	53	std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
99			std::set<Engine*>::iterator end = MidiChannelMap[MidiChannel].end();
100			for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
101			}
102
103	senkov	153	void MidiInputDevice::MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
104	schoenebeck	53	std::set<Engine*>::iterator engineiter = MidiChannelMap[MidiChannel].begin();
105			std::set<Engine*>::iterator end = MidiChannelMap[MidiChannel].end();
106			for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
107			}
108
109	senkov	153	void MidiInputDevice::MidiInputPort::Connect(Engine* pEngine, midi_chan_t MidiChannel) {
110	schoenebeck	53	if (MidiChannel < 0 \|\| MidiChannel > 16)
111			throw MidiInputException("MIDI channel index out of bounds");
112			Disconnect(pEngine);
113			MidiChannelMap[MidiChannel].insert(pEngine);
114			}
115
116	senkov	153	void MidiInputDevice::MidiInputPort::Disconnect(Engine* pEngine) {
117	schoenebeck	53	try { for (int i = 0; i <= 16; i++) MidiChannelMap[i].erase(pEngine); }
118			catch(...) { /* NOOP */ }
119			}
120
121	senkov	153	void MidiInputDevice::AcquirePorts(uint newPorts) {
122			int diff = this->Ports.size() - newPorts;
123			if (!diff)
124			return; //Number of ports matches already, nothing to do.
125
126			while (diff != 0) {
127			if (diff > 0) { //We've got too many ports, remove one
128			std::map<int,MidiInputPort*>::iterator portsIter = Ports.end();
129			Ports.erase(--portsIter);
130			delete portsIter->second;
131			diff--;
132			}
133			if (diff < 0) { //We don't have enough ports, create one
134			MidiInputPort* midiPort = this->CreateMidiPort();
135			Ports[midiPort->portNumber] = midiPort;
136			diff++;
137			}
138			}
139	schoenebeck	64	}
140
141	schoenebeck	53	} // namespace LinuxSampler