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/*
Copyright (C) 2001 Paul Davis
Copyright (C) 2004-2006 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 __JackAudioDriver__
#define __JackAudioDriver__
#include "JackDriver.h"
namespace Jack
{
/*!
\brief The base class for audio drivers: drivers with audio ports.
*/
class EXPORT JackAudioDriver : public JackDriver
{
protected:
int fCaptureChannels;
int fPlaybackChannels;
// static tables since the actual number of ports may be changed by the real driver
// thus dynamic allocation is more difficult to handle
jack_port_id_t fCapturePortList[PORT_NUM];
jack_port_id_t fPlaybackPortList[PORT_NUM];
jack_port_id_t fMonitorPortList[PORT_NUM];
bool fWithMonitorPorts;
jack_default_audio_sample_t* GetInputBuffer(int port_index);
jack_default_audio_sample_t* GetOutputBuffer(int port_index);
jack_default_audio_sample_t* GetMonitorBuffer(int port_index);
private:
int ProcessAsync();
int ProcessSync();
public:
JackAudioDriver(const char* name, JackEngine* engine, JackSynchro** table);
virtual ~JackAudioDriver();
virtual int Process();
virtual int Open(jack_nframes_t nframes,
jack_nframes_t samplerate,
int capturing,
int 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 Attach();
virtual int Detach();
virtual int Write();
// sets up fEngineControl and fGraphManager, always succeeds
virtual int SetBufferSize(jack_nframes_t buffer_size);
virtual void NotifyXRun(jack_time_t callback_usecs); // XRun notification sent by the driver
};
} // end of namespace
#endif
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