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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 __JackAudioDriver__
#define __JackAudioDriver__
#include "JackDriver.h"
namespace Jack
{
/*!
\brief The base class for audio drivers: drivers with audio ports.
*/
class SERVER_EXPORT JackAudioDriver : public JackDriver
{
protected:
void ProcessGraphAsyncMaster();
void ProcessGraphAsyncSlave();
int ProcessGraphSyncMaster();
int ProcessGraphSyncSlave();
virtual int ProcessAsync();
virtual int ProcessSync();
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[DRIVER_PORT_NUM];
jack_port_id_t fPlaybackPortList[DRIVER_PORT_NUM];
jack_port_id_t fMonitorPortList[DRIVER_PORT_NUM];
bool fWithMonitorPorts;
std::list<std::pair<std::string, std::string> > fConnections; // Connections list
jack_default_audio_sample_t* GetInputBuffer(int port_index, bool nulled = false);
jack_default_audio_sample_t* GetOutputBuffer(int port_index, bool nulled = false);
jack_default_audio_sample_t* GetMonitorBuffer(int port_index, bool nulled = false);
void HandleLatencyCallback(int status);
void UpdateLatencies();
public:
JackAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table);
virtual ~JackAudioDriver();
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 Open(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 Process();
virtual int Attach();
virtual int Detach();
virtual int Start();
virtual int Stop();
virtual int Write();
virtual int SetBufferSize(jack_nframes_t buffer_size);
virtual int SetSampleRate(jack_nframes_t sample_rate);
virtual void SaveConnections();
virtual void RestoreConnections();
virtual int ClientNotify(int refnum, const char* name, int notify, int sync, const char* message, int value1, int value2);
};
} // end of namespace
#endif
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