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e24f094c62
git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@547 0778d3d1-df1d-0410-868b-ea421aaaa00d
168 lines
3.5 KiB
C++
168 lines
3.5 KiB
C++
/*
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* midi_alsa_seq.h - ALSA-sequencer-client
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*
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* Copyright (c) 2005-2007 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _MIDI_ALSA_SEQ_H
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#define _MIDI_ALSA_SEQ_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef HAVE_ALSA_ASOUNDLIB_H
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#ifndef ALSA_SUPPORT
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#define ALSA_SUPPORT
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#endif
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#include <alsa/asoundlib.h>
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#endif
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#include <QtCore/QThread>
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#include <QtCore/QTimer>
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#include "midi_client.h"
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struct pollfd;
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class QLineEdit;
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class midiALSASeq : public QThread, public midiClient
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{
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Q_OBJECT
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public:
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midiALSASeq( void );
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virtual ~midiALSASeq();
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static QString probeDevice( void );
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inline static QString name( void )
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{
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return( QT_TRANSLATE_NOOP( "setupWidget",
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"ALSA-Sequencer (Advanced Linux Sound "
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"Architecture)" ) );
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}
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virtual void FASTCALL processOutEvent( const midiEvent & _me,
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const midiTime & _time,
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const midiPort * _port );
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virtual void FASTCALL applyPortMode( midiPort * _port );
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virtual void FASTCALL applyPortName( midiPort * _port );
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virtual void FASTCALL removePort( midiPort * _port );
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// list seq-ports from ALSA
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inline virtual const QStringList & readablePorts( void ) const
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{
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return( m_readablePorts );
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}
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virtual const QStringList & writeablePorts( void ) const
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{
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return( m_writeablePorts );
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}
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// (un)subscribe given midiPort to/from destination-port
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virtual void subscribeReadablePort( midiPort * _port,
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const QString & _dest,
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bool _unsubscribe = FALSE );
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virtual void subscribeWriteablePort( midiPort * _port,
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const QString & _dest,
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bool _unsubscribe = FALSE );
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virtual void connectRPChanged( QObject * _receiver,
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const char * _member )
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{
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connect( this, SIGNAL( readablePortsChanged() ),
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_receiver, _member );
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}
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virtual void connectWPChanged( QObject * _receiver,
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const char * _member )
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{
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connect( this, SIGNAL( writeablePortsChanged() ),
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_receiver, _member );
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}
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class setupWidget : public midiClient::setupWidget
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{
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public:
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setupWidget( QWidget * _parent );
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virtual ~setupWidget();
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virtual void saveSettings( void );
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private:
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QLineEdit * m_device;
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} ;
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private slots:
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void changeQueueTempo( bpm_t _bpm );
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void updatePortList( void );
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private:
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virtual void run( void );
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#ifdef ALSA_SUPPORT
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snd_seq_t * m_seqHandle;
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struct ports
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{
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ports() { p[0] = -1; p[1] = -1; }
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int & operator[]( const int _i ) { return( p[_i] ); }
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private: int p[2];
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} ;
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QMap<midiPort *, ports> m_portIDs;
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int m_queueID;
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volatile bool m_quit;
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#endif
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QTimer m_portListUpdateTimer;
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QStringList m_readablePorts;
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QStringList m_writeablePorts;
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int m_pipe[2];
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signals:
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void readablePortsChanged( void );
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void writeablePortsChanged( void );
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} ;
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#endif
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