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//=========================================================
// MusE
// Linux Music Editor
// $Id: jackaudio.h,v 1.20.2.4 2009/12/20 05:00:35 terminator356 Exp $
// (C) Copyright 2002 Werner Schweer (ws@seh.de)
//
// 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; 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.
//
//=========================================================
#ifndef __JACKAUDIO_H__
#define __JACKAUDIO_H__
#include <jack/jack.h>
#include "audiodev.h"
namespace MusEGlobal {
bool checkAudioDevice();
}
namespace MusECore {
class MidiPlayEvent;
//---------------------------------------------------------
// JackAudioDevice
//---------------------------------------------------------
class JackAudioDevice : public AudioDevice {
jack_client_t* _client;
//double sampleTime;
//int samplePos;
float _syncTimeout;
jack_transport_state_t transportState;
jack_position_t pos;
char jackRegisteredName[16];
int dummyState;
int dummyPos;
volatile int _dummyStatePending;
volatile int _dummyPosPending;
// Free-running frame counter incremented always in process.
jack_nframes_t _frameCounter;
void getJackPorts(const char** ports, std::list<QString>& name_list, bool midi, bool physical, int aliases);
static int processAudio(jack_nframes_t frames, void*);
public:
JackAudioDevice(jack_client_t* cl, char * jack_id_string);
virtual ~JackAudioDevice();
virtual void nullify_client() { _client = 0; }
virtual inline int deviceType() const { return JACK_AUDIO; }
void scanMidiPorts();
//virtual void start();
virtual void start(int);
virtual void stop ();
virtual int framePos() const;
virtual unsigned frameTime() const { return _frameCounter; }
virtual double systemTime() const;
virtual float* getBuffer(void* port, unsigned long nframes) {
return (float*)jack_port_get_buffer((jack_port_t*)port, nframes);
}
virtual std::list<QString> outputPorts(bool midi = false, int aliases = -1);
virtual std::list<QString> inputPorts(bool midi = false, int aliases = -1);
jack_client_t* jackClient() const { return _client; }
virtual void registerClient();
virtual const char* clientName() { return jackRegisteredName; }
virtual void* registerOutPort(const char* /*name*/, bool /*midi*/);
virtual void* registerInPort(const char* /*name*/, bool /*midi*/);
//virtual char* getJackName();
virtual void unregisterPort(void*);
virtual void connect(void*, void*);
virtual void disconnect(void*, void*);
virtual int connections(void* clientPort) { return jack_port_connected((jack_port_t*)clientPort); }
virtual void setPortName(void* p, const char* n) { jack_port_set_name((jack_port_t*)p, n); }
virtual void* findPort(const char* name);
virtual QString portName(void* port);
virtual unsigned int portLatency(void* port, bool capture) const;
virtual int getState();
virtual unsigned int getCurFrame() const;
virtual bool isRealtime() { return jack_is_realtime(_client); }
virtual int realtimePriority() const;
virtual void startTransport();
virtual void stopTransport();
virtual void seekTransport(unsigned frame);
virtual void seekTransport(const Pos &p);
virtual void setFreewheel(bool f);
jack_transport_state_t transportQuery(jack_position_t* pos);
bool timebaseQuery(unsigned frames, unsigned* bar, unsigned* beat, unsigned* tick, unsigned* curr_abs_tick, unsigned* next_ticks);
void graphChanged();
void registrationChanged();
void connectJackMidiPorts();
virtual int setMaster(bool f);
//static bool jackStarted;
};
} // namespace MusECore
#endif
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