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/*
* Copyright (C) 2022 Javier S. Pedro
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef VMUSIC_MIDIALSA_H
#define VMUSIC_MIDIALSA_H
#include <iprt/types.h>
typedef struct _snd_rawmidi snd_rawmidi_t;
class MIDIAlsa
{
public:
MIDIAlsa();
~MIDIAlsa();
/** dev has no effect right now. */
int open(const char *dev);
int close();
/** reset device, dropping all buffers, but keep open */
int reset();
int poll(uint32_t events, uint32_t *revents, RTMSINTERVAL millies);
int pollInterrupt();
ssize_t write(uint8_t *data, size_t len);
ssize_t read(uint8_t *buf, size_t len);
private:
snd_rawmidi_t *_in;
snd_rawmidi_t *_out;
int _eventfd;
};
#endif
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