def dev_stop_then_play():
log("thread stops the playback")
AATApp.playback_stop(device)
time.sleep(4)
log("thread starts the playback")
AATApp.playback_nonoffload(device)
log("thread returns")
def playback_task_run(device):
log("dev_playback_start(nonoffload)")
AATApp.playback_nonoffload(device)
th = DetectionStateChangeListenerThread()
th.start()
log("ToneDetector.start_listen(target_freq={})".format(OUT_FREQ))
ToneDetector.start_listen(
target_freq=OUT_FREQ,
cb=lambda event: th.tone_detected_event_cb(event))
# Waiting for the event of tone detected, blocking with a 5 secs timeout
if th.wait_for_event(DetectionStateChangeListenerThread.Event.ACTIVE,
timeout=5) < 0:
log("the tone was not detected, abort the function...")
AATApp.playback_stop(device)
return
time.sleep(1)
# The thread just stops the playback and then continues
def dev_stop_then_play():
log("thread stops the playback")
AATApp.playback_stop(device)
time.sleep(4)
log("thread starts the playback")
AATApp.playback_nonoffload(device)
log("thread returns")
threading.Thread(target=dev_stop_then_play).start()
log("Waiting for {} Hz pure tone detected".format(OUT_FREQ))
# Waiting the event that the tone is detected again after the tone is missing
elapsed = th.wait_for_event(
DetectionStateChangeListenerThread.Event.RISING_EDGE, timeout=10)
log("elapsed: {} ms".format(elapsed))
log("ToneDetector.stop_listen()")
ToneDetector.stop_listen()
th.join()
log("dev_playback_stop(nonoffload)")
AATApp.playback_stop(device)