JackAlsaDriver.h
/*
Copyright (C) 2001 Paul Davis
Copyright (C) 2004 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 __JackAlsaDriver__
#define __JackAlsaDriver__
#include "JackAudioDriver.h"
#include "JackThreadedDriver.h"
#include "JackTime.h"
#include "alsa_driver.h"
namespace Jack
{
class JackAlsaDriver : public JackAudioDriver
{
private:
jack_driver_t* fDriver;
void UpdateLatencies();
public:
JackAlsaDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table)
: JackAudioDriver(name, alias, engine, table),fDriver(NULL)
{}
virtual ~JackAlsaDriver()
{}
int Open(jack_nframes_t buffer_size,
jack_nframes_t user_nperiods,
jack_nframes_t samplerate,
bool hw_monitoring,
bool hw_metering,
bool capturing,
bool playing,
DitherAlgorithm dither,
bool soft_mode,
bool monitor,
int inchannels,
int outchannels,
bool shorts_first,
const char* capture_driver_name,
const char* playback_driver_name,
jack_nframes_t capture_latency,
jack_nframes_t playback_latency,
const char* midi_driver_name);
int Close();
int Attach();
int Detach();
int Start();
int Stop();
int Read();
int Write();
// BufferSize can be changed
bool IsFixedBufferSize()
{
return false;
}
int SetBufferSize(jack_nframes_t buffer_size);
void ReadInputAux(jack_nframes_t orig_nframes, snd_pcm_sframes_t contiguous, snd_pcm_sframes_t nread);
void MonitorInputAux();
void ClearOutputAux();
void WriteOutputAux(jack_nframes_t orig_nframes, snd_pcm_sframes_t contiguous, snd_pcm_sframes_t nwritten);
void SetTimetAux(jack_time_t time);
// JACK API emulation for the midi driver
int is_realtime() const;
int create_thread(pthread_t *thread, int prio, int rt, void *(*start_func)(void*), void *arg);
jack_port_id_t port_register(const char *port_name, const char *port_type, unsigned long flags, unsigned long buffer_size);
int port_unregister(jack_port_id_t port_index);
void* port_get_buffer(int port, jack_nframes_t nframes);
int port_set_alias(int port, const char* name);
jack_nframes_t get_sample_rate() const;
jack_nframes_t frame_time() const;
jack_nframes_t last_frame_time() const;
};
} // end of namespace
#endif
Jack
Definition: JackAC3Encoder.cpp:30
Jack::JackLockedEngine
Locked Engine, access to methods is serialized using a mutex.
Definition: JackLockedEngine.h:78
Jack::JackPosixSemaphore
Inter process synchronization using POSIX semaphore.
Definition: JackPosixSemaphore.h:36
Jack::JackAlsaDriver
The ALSA driver.
Definition: JackAlsaDriver.h:36
_jack_driver
Definition: driver.h:87
Jack::JackAudioDriver
The base class for audio drivers: drivers with audio ports.
Definition: JackAudioDriver.h:42