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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.
*/
#define LOG_ENABLED 1
#define LOG_ENABLE_FLOW 1
#define LOG_GROUP LOG_GROUP_DEV_SB16
#include <VBox/err.h>
#include <VBox/log.h>
#include <alsa/asoundlib.h>
#include "midialsa.h"
MIDIOutAlsa::MIDIOutAlsa() : _out(NULL)
{
}
MIDIOutAlsa::~MIDIOutAlsa()
{
}
int MIDIOutAlsa::open(const char *dev)
{
int err;
if ((err = snd_rawmidi_open(NULL, &_out, "virtual", SND_RAWMIDI_NONBLOCK))) {
LogWarn(("ALSA rawmidi open error: %s\n", snd_strerror(err)));
return VERR_AUDIO_STREAM_COULD_NOT_CREATE;
}
// TODO: Connect somewhere
NOREF(dev);
return VINF_SUCCESS;
}
int MIDIOutAlsa::close()
{
if (_out) {
snd_rawmidi_close(_out);
_out = NULL;
}
return VINF_SUCCESS;
}
ssize_t MIDIOutAlsa::write(uint8_t *data, size_t len)
{
return snd_rawmidi_write(_out, data, len);
}
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