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#!/usr/bin/env python
# Copyright (c) 2010-2022 Belledonne Communications SARL.
#
# This file is part of Liblinphone
# (see https://gitlab.linphone.org/BC/public/liblinphone).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import signal
import time
import linphone
class SecurityCamera:
def __init__(self, username='', password='', whitelist=[], camera='', snd_capture='', snd_playback=''):
self.quit = False
self.whitelist = whitelist
callbacks = linphone.Factory.get().create_core_cbs()
callbacks.call_state_changed = self.call_state_changed
# Configure the linphone core
logging.basicConfig(level=logging.INFO)
signal.signal(signal.SIGINT, self.signal_handler)
linphone.set_log_handler(self.log_handler)
self.core = linphone.Factory.get().create_core(callbacks, None, None)
self.core.max_calls = 1
self.core.echo_cancellation_enabled = False
self.core.video_capture_enabled = True
self.core.video_display_enabled = False
self.core.nat_policy.stun_server = 'stun.linphone.org'
self.core.nat_policy.ice_enabled = True
if len(camera):
self.core.video_device = camera
if len(snd_capture):
self.core.capture_device = snd_capture
if len(snd_playback):
self.core.playback_device = snd_playback
self.configure_sip_account(username, password)
def signal_handler(self, signal, frame):
self.core.terminate_all_calls()
self.quit = True
def log_handler(self, level, msg):
method = getattr(logging, level)
method(msg)
def call_state_changed(self, core, call, state, message):
if state == linphone.CallState.IncomingReceived:
if call.remote_address.as_string_uri_only() in self.whitelist:
params = core.create_call_params(call)
core.accept_call_with_params(call, params)
else:
core.decline_call(call, linphone.Reason.Declined)
chat_room = core.get_chat_room_from_uri(self.whitelist[0])
msg = chat_room.create_message(call.remote_address_as_string + ' tried to call')
chat_room.send_chat_message(msg)
def configure_sip_account(self, username, password):
# Configure the SIP account
proxy_cfg = self.core.create_proxy_config()
proxy_cfg.identity_address = self.core.create_address('sip:{username}@sip.linphone.org'.format(username=username))
proxy_cfg.server_addr = 'sip:sip.linphone.org;transport=tls'
proxy_cfg.register_enabled = True
self.core.add_proxy_config(proxy_cfg)
auth_info = self.core.create_auth_info(username, None, password, None, None, 'sip.linphone.org')
self.core.add_auth_info(auth_info)
def run(self):
while not self.quit:
self.core.iterate()
time.sleep(0.03)
if __name__ == "__main__":
cam = SecurityCamera(username='raspberry', password='pi', whitelist=['sip:trusteduser@sip.linphone.org'], camera='V4L2: /dev/video0', snd_capture='ALSA: USB Device 0x46d:0x825')
cam.run()
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