Files
lmms/include/AudioJack.h
2014-02-20 22:17:28 +01:00

129 lines
2.7 KiB
C++

/*
* AudioJack.h - support for JACK-transport
*
* Copyright (c) 2005-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* 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 _AUDIO_JACK_H
#define _AUDIO_JACK_H
#include "lmmsconfig.h"
#ifdef LMMS_HAVE_JACK
#include <jack/jack.h>
#endif
#include <QtCore/QVector>
#include <QtCore/QList>
#include <QtCore/QMap>
#include "AudioDevice.h"
class QLineEdit;
class LcdSpinBox;
class AudioJack : public QObject, public AudioDevice
{
Q_OBJECT
public:
AudioJack( bool & _success_ful, Mixer* mixer );
virtual ~AudioJack();
inline static QString name()
{
return QT_TRANSLATE_NOOP( "setupWidget",
"JACK (JACK Audio Connection Kit)" );
}
class setupWidget : public AudioDevice::setupWidget
{
public:
setupWidget( QWidget * _parent );
virtual ~setupWidget();
virtual void saveSettings();
private:
QLineEdit * m_clientName;
LcdSpinBox * m_channels;
} ;
private slots:
void restartAfterZombified();
#ifdef LMMS_HAVE_JACK
private:
bool initJackClient();
virtual void startProcessing();
virtual void stopProcessing();
virtual void applyQualitySettings();
virtual void registerPort( AudioPort * _port );
virtual void unregisterPort( AudioPort * _port );
virtual void renamePort( AudioPort * _port );
int processCallback( jack_nframes_t _nframes, void * _udata );
static int staticProcessCallback( jack_nframes_t _nframes,
void * _udata );
static void shutdownCallback( void * _udata );
jack_client_t * m_client;
bool m_active;
bool m_stopped;
QSemaphore m_stopSemaphore;
QVector<jack_port_t *> m_outputPorts;
jack_default_audio_sample_t * * m_tempOutBufs;
surroundSampleFrame * m_outBuf;
f_cnt_t m_framesDoneInCurBuf;
f_cnt_t m_framesToDoInCurBuf;
#ifdef AUDIO_PORT_SUPPORT
struct StereoPort
{
jack_port_t * ports[2];
} ;
typedef QMap<AudioPort *, StereoPort> JackPortMap;
JackPortMap m_portMap;
#endif
#endif
signals:
void zombified();
} ;
#endif