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//=============================================================================
// MusE
// Linux Music Editor
// $Id:$
//
// Copyright (C) 2002-2006 by Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#ifndef __JACKAUDIO_H__
#define __JACKAUDIO_H__
#include "audiodev.h"
class MidiInPort;
//---------------------------------------------------------
// JackAudio
//---------------------------------------------------------
class JackAudio : public AudioDriver {
jack_client_t* _client;
jack_position_t pos;
char jackRegisteredName[8];
jack_transport_state_t transportState;
jack_nframes_t _frameCounter;
static int processAudio(jack_nframes_t frames, void*);
public:
JackAudio(jack_client_t* cl, char * jack_id_string);
virtual ~JackAudio();
int getTransportState();
virtual bool init();
virtual void start(int);
virtual bool restart();
virtual void stop ();
virtual void zeroClientPtr() { _client = 0; }
virtual float* getBuffer(Port port, unsigned long nframes) {
return (float*)jack_port_get_buffer(port.jackPort(), nframes);
}
virtual QList<PortName> outputPorts(bool midi);
virtual QList<PortName> inputPorts(bool midi);
virtual void registerClient();
virtual Port registerOutPort(const QString& name, bool midi);
virtual Port registerInPort(const QString& name, bool midi);
virtual char* getJackName();
virtual void unregisterPort(Port);
virtual bool connect(Port, Port);
virtual bool disconnect(Port, Port);
virtual void setPortName(Port p, const QString& n) {
jack_port_set_name(p.jackPort(), n.toLatin1().data());
}
virtual Port findPort(const QString& name);
virtual QString portName(Port);
virtual int realtimePriority() const;
virtual void startTransport();
virtual void stopTransport();
virtual void seekTransport(unsigned frame);
virtual void setFreewheel(bool f);
jack_transport_state_t transportQuery(jack_position_t* pos) {
return jack_transport_query(_client, pos);
}
void graphChanged();
virtual void putEvent(Port, const MidiEvent&);
virtual void startMidiCycle(Port);
virtual unsigned frameTime() const { return _frameCounter; }
virtual void collectMidiEvents(MidiInPort*, Port);
};
#endif
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