21 #ifndef __JackAlsaDriver__    22 #define __JackAlsaDriver__    24 #include "JackAudioDriver.h"    25 #include "JackThreadedDriver.h"    27 #include "alsa_driver.h"    43         void UpdateLatencies();
    53         int Open(jack_nframes_t buffer_size,
    54                  jack_nframes_t user_nperiods,
    55                  jack_nframes_t samplerate,
    60                  DitherAlgorithm dither,
    66                  const char* capture_driver_name,
    67                  const char* playback_driver_name,
    68                  jack_nframes_t capture_latency,
    69                  jack_nframes_t playback_latency,
    70                  const char* midi_driver_name);
    83         bool IsFixedBufferSize()
    88         int SetBufferSize(jack_nframes_t buffer_size);
    90         void ReadInputAux(jack_nframes_t orig_nframes, snd_pcm_sframes_t contiguous, snd_pcm_sframes_t nread);
    91         void MonitorInputAux();
    92         void ClearOutputAux();
    93         void WriteOutputAux(jack_nframes_t orig_nframes, snd_pcm_sframes_t contiguous, snd_pcm_sframes_t nwritten);
    94         void SetTimetAux(jack_time_t time);
    97         int is_realtime() 
const;
    98         int create_thread(pthread_t *thread, 
int prio, 
int rt, 
void *(*start_func)(
void*), 
void *arg);
   100         jack_port_id_t port_register(
const char *port_name, 
const char *port_type, 
unsigned long flags, 
unsigned long buffer_size);
   101         int port_unregister(jack_port_id_t port_index);
   102         void* port_get_buffer(
int port, jack_nframes_t nframes);
   103         int port_set_alias(
int port, 
const char* name);
   105         jack_nframes_t get_sample_rate() 
const;
   106         jack_nframes_t frame_time() 
const;
   107         jack_nframes_t last_frame_time() 
const;
 Locked Engine, access to methods is serialized using a mutex.
Inter process synchronization using POSIX semaphore.
The base class for audio drivers: drivers with audio ports.