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/*
Copyright (C) 2001 Paul Davis
Copyright (C) 2004-2008 Grame
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; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __JackDriver__
#define __JackDriver__
#include "types.h"
#include "JackClientInterface.h"
#include "JackConstants.h"
#include "JackPlatformSynchro.h"
#include "JackClientControl.h"
#include <list>
namespace Jack
{
class JackLockedEngine;
class JackGraphManager;
struct JackEngineControl;
/*!
\brief The base interface for drivers.
*/
class EXPORT JackDriverInterface
{
public:
JackDriverInterface()
{}
virtual ~JackDriverInterface()
{}
virtual int Open() = 0;
virtual int Open(jack_nframes_t buffer_size,
jack_nframes_t samplerate,
bool capturing,
bool playing,
int inchannels,
int outchannels,
bool monitor,
const char* capture_driver_name,
const char* playback_driver_name,
jack_nframes_t capture_latency,
jack_nframes_t playback_latency) = 0;
virtual int Attach() = 0;
virtual int Detach() = 0;
virtual int Read() = 0;
virtual int Write() = 0;
virtual int Start() = 0;
virtual int Stop() = 0;
virtual bool IsFixedBufferSize() = 0;
virtual int SetBufferSize(jack_nframes_t buffer_size) = 0;
virtual int SetSampleRate(jack_nframes_t sample_rate) = 0;
virtual int Process() = 0;
virtual int ProcessNull() = 0;
virtual void SetMaster(bool onoff) = 0;
virtual bool GetMaster() = 0;
virtual void AddSlave(JackDriverInterface* slave) = 0;
virtual void RemoveSlave(JackDriverInterface* slave) = 0;
virtual int ProcessSlaves() = 0;
virtual bool IsRealTime() const = 0;
};
/*!
\brief The base interface for drivers clients.
*/
class EXPORT JackDriverClientInterface : public JackDriverInterface, public JackClientInterface
{};
/*!
\brief The base class for drivers.
*/
class EXPORT JackDriver : public JackDriverClientInterface
{
protected:
char fCaptureDriverName[JACK_CLIENT_NAME_SIZE + 1];
char fPlaybackDriverName[JACK_CLIENT_NAME_SIZE + 1];
char fAliasName[JACK_CLIENT_NAME_SIZE + 1];
jack_nframes_t fCaptureLatency;
jack_nframes_t fPlaybackLatency;
jack_time_t fBeginDateUst;
jack_time_t fEndDateUst;
float fDelayedUsecs;
JackLockedEngine* fEngine;
JackGraphManager* fGraphManager;
JackSynchro* fSynchroTable;
JackEngineControl* fEngineControl;
JackClientControl fClientControl;
std::list<JackDriverInterface*> fSlaveList;
bool fIsMaster;
void CycleIncTime();
void CycleTakeBeginTime();
void CycleTakeEndTime();
void SetupDriverSync(int ref, bool freewheel);
void NotifyXRun(jack_time_t callback_usecs, float delayed_usecs); // XRun notification sent by the driver
void NotifyBufferSize(jack_nframes_t buffer_size); // BufferSize notification sent by the driver
void NotifySampleRate(jack_nframes_t sample_rate); // SampleRate notification sent by the driver
public:
JackDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table);
JackDriver();
virtual ~JackDriver();
void SetMaster(bool onoff);
bool GetMaster();
void AddSlave(JackDriverInterface* slave);
void RemoveSlave(JackDriverInterface* slave);
int ProcessSlaves();
virtual int Open();
virtual int Open(jack_nframes_t buffer_size,
jack_nframes_t samplerate,
bool capturing,
bool playing,
int inchannels,
int outchannels,
bool monitor,
const char* capture_driver_name,
const char* playback_driver_name,
jack_nframes_t capture_latency,
jack_nframes_t playback_latency);
virtual int Close();
virtual int Process();
virtual int ProcessNull();
virtual int Attach();
virtual int Detach();
virtual int Read();
virtual int Write();
virtual int Start();
virtual int Stop();
virtual bool IsFixedBufferSize();
virtual int SetBufferSize(jack_nframes_t buffer_size);
virtual int SetSampleRate(jack_nframes_t sample_rate);
virtual int ClientNotify(int refnum, const char* name, int notify, int sync, int value1, int value2);
virtual JackClientControl* GetClientControl() const;
virtual bool IsRealTime() const;
virtual bool Init(); // To be called by the wrapping thread Init method when the driver is a "blocking" one
};
} // end of namespace
#endif
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