src/mididriver/MidiInputDeviceAlsa.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003 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                                                   *
 ***************************************************************************/

#ifndef __LS_MIDIINPUTDEVICEALSA_H__
#define __LS_MIDIINPUTDEVICEALSA_H__

#include <alsa/asoundlib.h>

#include "../common/global.h"
#include "../common/Thread.h"
#include "../common/RingBuffer.h"
#include "MidiInputDevice.h"

namespace LinuxSampler {

    /** ALSA MIDI input driver
     *
     * Implements MIDI input for the Advanced Linux Sound Architecture
     * (ALSA).
     */
    class MidiInputDeviceAlsa : public MidiInputDevice, public Thread {
        public:
            MidiInputDeviceAlsa(char* AutoConnectPortID = NULL);
            ~MidiInputDeviceAlsa();

            // derived abstract methods from class 'NidiInputDevice'
            void Listen();
            void StopListen();

            // own methods
            void ConnectToAlsaMidiSource(const char* MidiSource);
        protected:
            int Main(); ///< Implementation of virtual method from class Thread
        private:
            snd_seq_t* hAlsaSeq;
            int        hAlsaSeqClient;       ///< Alsa Sequencer client ID
            int        hAlsaSeqPort;     ///< Alsa Sequencer client port number
    };
}

#endif // __LS_MIDIINPUTDEVICEALSA_H__
1	schoenebeck	53	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003 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			#ifndef __LS_MIDIINPUTDEVICEALSA_H__
24			#define __LS_MIDIINPUTDEVICEALSA_H__
25
26			#include <alsa/asoundlib.h>
27
28			#include "../common/global.h"
29			#include "../common/Thread.h"
30			#include "../common/RingBuffer.h"
31			#include "MidiInputDevice.h"
32
33			namespace LinuxSampler {
34
35			/** ALSA MIDI input driver
36			*
37			* Implements MIDI input for the Advanced Linux Sound Architecture
38			* (ALSA).
39			*/
40			class MidiInputDeviceAlsa : public MidiInputDevice, public Thread {
41			public:
42			MidiInputDeviceAlsa(char* AutoConnectPortID = NULL);
43			~MidiInputDeviceAlsa();
44
45			// derived abstract methods from class 'NidiInputDevice'
46			void Listen();
47			void StopListen();
48
49			// own methods
50			void ConnectToAlsaMidiSource(const char* MidiSource);
51			protected:
52			int Main(); ///< Implementation of virtual method from class Thread
53			private:
54			snd_seq_t* hAlsaSeq;
55			int hAlsaSeqClient; ///< Alsa Sequencer client ID
56			int hAlsaSeqPort; ///< Alsa Sequencer client port number
57			};
58			}
59
60			#endif // __LS_MIDIINPUTDEVICEALSA_H__