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import linphone
import time
import threading
DIAL_TONE_FILE = 'freizeichen.wav'
DIAL_TONE_LEN = 5
BUSY_TONE_FILE = 'besetztzeichen.wav'
BUSY_TONE_LEN = 0.96
RINGBACK_TONE = 'weckzeichen.wav'
class PhoneEvent(object):
RegInProgress,\
RegSuccessfull,\
CallIncoming,\
CallRinging,\
CallAccepted,\
CallEnded,\
CallBusy,\
CallInvalidNumber = range(8)
@classmethod
def string(cls, val):
for k, v in vars(cls).iteritems():
if v == val:
return k
class PhoneInterface(object):
def __init__(self, config, roconfig):
cbs = {
'global_state_changed': self.__global_state_changed,
'registration_state_changed': self.__registration_state_changed,
'call_state_changed': self.__call_state_changed
}
self.__event_cbs = []
self.__core = linphone.Core.new(cbs, config, roconfig)
# Set default parameters overriding the ones from the given config file
self.__core.set_user_agent('FeTAp 615', '0.1')
self.__core.ringback = RINGBACK_TONE
self.__core.max_calls = 1
self.__core.set_call_error_tone(linphone.Reason.Busy, '')
self.__core.disable_chat(linphone.Reason.None)
self.__core.echo_cancellation_enabled = False
self.__core.video_capture_enabled = False
self.__core.video_display_enabled = False
def __global_state_changed(self, core, state, msg):
print 'Global state changed:', state, msg
# TODO: Do we need events emitted here?
pass
def __registration_state_changed(self, core, proxyconf, state, msg):
print 'Registration state changed:', proxyconf, state, msg
evt = None
if state == linphone.RegistrationState.Progress:
evt = PhoneEvent.RegInProgress
elif state == linphone.RegistrationState.Ok:
evt = PhoneEvent.RegSuccessfull
if evt is not None:
for cb in self.__event_cbs:
cb(evt)
else:
print 'Unhandled registration state:', linphone.RegistrationState.string(state)
def __call_state_changed(self, core, call, state, msg):
print 'Call state changed:', call, state, msg
evt = None
if state == linphone.CallState.IncomingReceived:
evt = PhoneEvent.CallIncoming
elif state == linphone.CallState.OutgoingRinging:
evt = PhoneEvent.CallRinging
elif state == linphone.CallState.Connected:
evt = PhoneEvent.CallAccepted
elif state == linphone.CallState.End:
evt = PhoneEvent.CallEnded
elif state == linphone.CallState.Error:
error = call.error_info.reason
if error == linphone.Reason.Busy:
evt = PhoneEvent.CallBusy
elif error == linphone.Reason.NotFound:
evt = PhoneEvent.CallInvalidNumber
else:
evt = PhoneEvent.CallEnded
if evt is not None:
for cb in self.__event_cbs:
cb(evt)
else:
print 'Unhandled call state:', linphone.CallState.string(state)
def __pollthread(self):
while self.__running:
self.__core.iterate()
time.sleep(0.02) # Value from example code
def start(self):
self.__running = True
t = threading.Thread(target=self.__pollthread)
t.start()
def stop(self):
self.__running = False
def add_event_cb(self, cb):
self.__event_cbs.append(cb)
def call(self, number):
self.__core.invite(number)
def accept_call(self):
self.__core.accept_call(self.__core.current_call)
def end_call(self):
self.__core.terminate_call(self.__core.current_call)
def __play_loop_thread(self, filename, length, continous):
self.__core.play_local(filename)
# Start replay of file 500ms before the old playing will end
# to get more or less continous play
i = 50 if continous else 0
while self.__playing and self.__running:
# TODO: Schoener?
if i == length * 100:
self.__core.play_local(filename)
i = 0
time.sleep(0.01)
i += 1
self.__core.stop_ringing()
def __play_file(self, filename, length, continous=False):
print 'Playing file:', filename
self.__playing = True
t = threading.Thread(target=self.__play_loop_thread, args=(filename, length, continous))
t.start()
def play_dial_tone(self):
self.__play_file(DIAL_TONE_FILE, DIAL_TONE_LEN, True)
def play_busy_tone(self):
self.__play_file(BUSY_TONE_FILE, BUSY_TONE_LEN)
def stop_playing(self):
self.__playing = False
if __name__ == '__main__':
def event_cb(evt):
print 'Got event:', PhoneEvent.string(evt)
try:
phone = PhoneInterface('.linphonerc-foo', '.linphonerc')
phone.add_event_cb(event_cb)
phone.start()
i = 0
while True:
time.sleep(1)
i += 1
if i == 5:
phone.call('3474')
#phone.play_busy_tone()
pass
except KeyboardInterrupt:
phone.stop()