mirror of
https://github.com/LMMS/lmms.git
synced 2026-02-02 02:33:25 -05:00
165 lines
3.4 KiB
C++
165 lines
3.4 KiB
C++
/*
|
|
* MidiAlsaSeq.h - ALSA-sequencer-client
|
|
*
|
|
* Copyright (c) 2005-2013 Tobias Doerffel <tobydox/at/users.sourceforge.net>
|
|
*
|
|
* This file is part of LMMS - http://lmms.io
|
|
*
|
|
* 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 (see COPYING); if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef MIDI_ALSA_SEQ_H
|
|
#define MIDI_ALSA_SEQ_H
|
|
|
|
#include "lmmsconfig.h"
|
|
|
|
#ifdef LMMS_HAVE_ALSA
|
|
#include <alsa/asoundlib.h>
|
|
|
|
#include <QtCore/QMutex>
|
|
#include <QtCore/QThread>
|
|
#include <QtCore/QTimer>
|
|
|
|
|
|
#include "MidiClient.h"
|
|
|
|
|
|
struct pollfd;
|
|
class QLineEdit;
|
|
|
|
|
|
class MidiAlsaSeq : public QThread, public MidiClient
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
MidiAlsaSeq();
|
|
virtual ~MidiAlsaSeq();
|
|
|
|
static QString probeDevice();
|
|
|
|
|
|
inline static QString name()
|
|
{
|
|
return QT_TRANSLATE_NOOP( "setupWidget",
|
|
"ALSA-Sequencer (Advanced Linux Sound "
|
|
"Architecture)" );
|
|
}
|
|
|
|
|
|
|
|
virtual void processOutEvent( const MidiEvent & _me,
|
|
const MidiTime & _time,
|
|
const MidiPort * _port );
|
|
|
|
virtual void applyPortMode( MidiPort * _port );
|
|
virtual void applyPortName( MidiPort * _port );
|
|
|
|
virtual void removePort( MidiPort * _port );
|
|
|
|
|
|
// list seq-ports from ALSA
|
|
virtual QStringList readablePorts() const
|
|
{
|
|
return m_readablePorts;
|
|
}
|
|
|
|
virtual QStringList writablePorts() const
|
|
{
|
|
return m_writablePorts;
|
|
}
|
|
|
|
// return name of port which specified MIDI event came from
|
|
virtual QString sourcePortName( const MidiEvent & ) const;
|
|
|
|
// (un)subscribe given MidiPort to/from destination-port
|
|
virtual void subscribeReadablePort( MidiPort * _port,
|
|
const QString & _dest,
|
|
bool _subscribe = true );
|
|
virtual void subscribeWritablePort( MidiPort * _port,
|
|
const QString & _dest,
|
|
bool _subscribe = true );
|
|
virtual void connectRPChanged( QObject * _receiver,
|
|
const char * _member )
|
|
{
|
|
connect( this, SIGNAL( readablePortsChanged() ),
|
|
_receiver, _member );
|
|
}
|
|
|
|
virtual void connectWPChanged( QObject * _receiver,
|
|
const char * _member )
|
|
{
|
|
connect( this, SIGNAL( writablePortsChanged() ),
|
|
_receiver, _member );
|
|
}
|
|
|
|
|
|
class setupWidget : public MidiClient::setupWidget
|
|
{
|
|
public:
|
|
setupWidget( QWidget * _parent );
|
|
virtual ~setupWidget();
|
|
|
|
virtual void saveSettings();
|
|
|
|
private:
|
|
QLineEdit * m_device;
|
|
|
|
} ;
|
|
|
|
|
|
private slots:
|
|
void changeQueueTempo( bpm_t _bpm );
|
|
void updatePortList();
|
|
|
|
|
|
private:
|
|
virtual void run();
|
|
|
|
#ifdef LMMS_HAVE_ALSA
|
|
QMutex m_seqMutex;
|
|
snd_seq_t * m_seqHandle;
|
|
struct Ports
|
|
{
|
|
Ports() { p[0] = -1; p[1] = -1; }
|
|
int & operator[]( const int _i ) { return p[_i]; }
|
|
private: int p[2];
|
|
} ;
|
|
QMap<MidiPort *, Ports> m_portIDs;
|
|
#endif
|
|
|
|
int m_queueID;
|
|
|
|
volatile bool m_quit;
|
|
|
|
QTimer m_portListUpdateTimer;
|
|
QStringList m_readablePorts;
|
|
QStringList m_writablePorts;
|
|
|
|
int m_pipe[2];
|
|
|
|
|
|
signals:
|
|
void readablePortsChanged();
|
|
void writablePortsChanged();
|
|
|
|
} ;
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|