Esempio n. 1
0
/* Pause the jack device */
static void jack_pause (bool_t p)
{
  TRACE("p == %d\n", p);

  paused = p;

  /* pause the device if p is non-zero, unpause the device if p is zero and */
  /* we are currently paused */
  if(p)
    JACK_SetState(driver, PAUSED);
  else if(JACK_GetState(driver) == PAUSED)
    JACK_SetState(driver, PLAYING);
}
Esempio n. 2
0
/* been played out of the audio device, not including the buffer */
static int jack_get_output_time(void)
{
  int return_val;

  /* don't try to get any values if the device is still closed */
  if(JACK_GetState(driver) == CLOSED)
    return_val = 0;
  else
    return_val = JACK_GetPosition(driver, MILLISECONDS, PLAYED); /* get played position in terms of milliseconds */

  TRACE("returning %d milliseconds\n", return_val);
  return return_val;
}
Esempio n. 3
0
static int jack_playing(void)
{
  int return_val;

  /* If we are playing see if we ACTUALLY have something to play */
  if(JACK_GetState(driver) == PLAYING)
  {
    /* If we have zero bytes stored, we are done playing */
    if(JACK_GetBytesStored(driver) == 0)
      return_val = FALSE;
    else
      return_val = TRUE;
  }
  else
    return_val = FALSE;

  TRACE("returning %d\n", return_val);
  return return_val;
}
Esempio n. 4
0
CAMLprim value caml_bjack_get_state(value d)
{
    CAMLparam1(d);

    CAMLreturn(Val_int(JACK_GetState(Bjack_drv_val(d))));
}