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avbot.py
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avbot.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
__title__ = "avbot"
__author__ = "Anton Batenev"
__license__ = "BSD"
import cv2
import pyaudio
import threading
from echobot import *
from pytoxcore import ToxAV, ToxAVException
from pkg_resources import parse_version
if parse_version(cv2.__version__) >= parse_version("3"):
CV_CAP_PROP_FPS = cv2.CAP_PROP_FPS
CV_CAP_PROP_FRAME_WIDTH = cv2.CV_CAP_PROP_FRAME_WIDTH
CV_CAP_PROP_FRAME_HEIGHT = cv2.CV_CAP_PROP_FRAME_HEIGHT
else:
CV_CAP_PROP_FPS = cv2.cv.CV_CAP_PROP_FPS
CV_CAP_PROP_FRAME_WIDTH = cv2.cv.CV_CAP_PROP_FRAME_WIDTH
CV_CAP_PROP_FRAME_HEIGHT = cv2.cv.CV_CAP_PROP_FRAME_HEIGHT
class AVCall(object):
"""
Описатель звонка
"""
def __init__(self, friend_number, video_enabled, audio_enabled):
"""
Аргументы:
friend_number (int) -- Номер друга
audio_enabled (bool) -- Включена передача аудио
video_enabled (bool) -- Включена передача видео
"""
self.friend_number = friend_number
self.video_enabled = video_enabled
self.audio_enabled = audio_enabled
class AVBot(ToxAV):
"""
AV Бот
"""
def __init__(self, core):
"""
Аргументы:
core (ToxCore) -- Экземпляр ToxCore
"""
self.core = core
self.running = True
self.calls = {}
self.audio = None
self.audio_stream = None
self.audio_thread = None
self.audio_running = False
self.video = None
self.video_thread = None
self.video_running = False
super(AVBot, self).__init__(self.core)
self.toxav_video_frame_format_set(self.TOXAV_VIDEO_FRAME_FORMAT_BGR)
self.iterate_thread = threading.Thread(target = self.iterate_cb)
self.iterate_thread.start()
def stop(self):
"""
Остановка всех потоков
"""
self.core.verbose("stopping...")
self.running = False
self.stop_video_thread()
self.stop_audio_thread()
self.iterate_thread.join()
self.toxav_kill()
self.core.verbose("stopped")
def iterate_cb(self):
"""
Рабочий цикл, запускается в отдельном потоке относительно ToxCore
"""
while self.running:
self.toxav_iterate()
interval = self.toxav_iteration_interval()
time.sleep(float(interval) / 1000.0)
def start_video_thread(self):
"""
Запуск потока кодирования видео
"""
if self.video_thread != None:
return
self.video_running = True
self.video = cv2.VideoCapture(0)
self.video.set(CV_CAP_PROP_FPS, 25)
self.video.set(CV_CAP_PROP_FRAME_WIDTH, 640)
self.video.set(CV_CAP_PROP_FRAME_HEIGHT, 480)
self.video_thread = threading.Thread(target = self.video_cb)
self.video_thread.start()
def stop_video_thread(self):
"""
Остановка потока кодирования видео
"""
if self.video_thread == None:
return
self.video_running = False
self.video_thread.join()
self.video_thread = None
self.video = None
def video_cb(self):
"""
Рабочий цикл отправки видео
"""
while self.video_running:
try:
result, frame = self.video.read()
if result:
height, width, channels = frame.shape
for call in itervalues(self.calls):
if call.video_enabled:
try:
self.toxav_video_send_bgr_frame(call.friend_number, width, height, frame.tostring())
except ToxAVException as e:
self.core.verbose("ToxAVException: {0}".format(e))
except Exception as e:
self.core.verbose("{0}".format(e))
time.sleep(0.01)
def start_audio_thread(self):
"""
Запуск потока кодирования аудио
"""
if self.audio_thread != None:
return
self.audio_running = True
self.audio_device = "USB 2.0 Camera: USB Audio (hw:1,0)"
self.audio_device_index = None
self.audio_rate = 8000
self.audio_channels = 1
self.audio_duration = 60
self.audio_sample_count = self.audio_rate * self.audio_channels * self.audio_duration / 1000
self.audio = pyaudio.PyAudio()
for i in range(0, self.audio.get_device_count() - 1):
name = self.audio.get_device_info_by_index(i)["name"]
self.core.debug("Found device {0}: {1}".format(i, name))
if name == self.audio_device:
self.audio_device_index = i
if self.audio_device_index != None:
device_info = self.audio.get_device_info_by_index(self.audio_device_index)
self.core.debug("Use found audio device: {0}".format(device_info["name"]))
else:
device_info = self.audio.get_default_input_device_info()
self.core.debug("Use default audio device: {0}".format(device_info["name"]))
self.audio_device_index = device_info["index"]
format_supported = self.audio.is_format_supported(self.audio_rate, self.audio_device_index, self.audio_channels, pyaudio.paInt16)
self.core.debug("Input audio format supported: {0}".format("yes" if format_supported else "no"))
if not format_supported:
self.audio_running = False
self.self.audio = None
return
self.audio_stream = self.audio.open(format = pyaudio.paInt16,
rate = self.audio_rate,
channels = self.audio_channels,
input = True,
input_device_index = self.audio_device_index,
frames_per_buffer = self.audio_sample_count * 10)
self.audio_thread = threading.Thread(target = self.audio_cb)
self.audio_thread.start()
def stop_audio_thread(self):
"""
Остановка потока кодирования аудио
"""
if self.audio_thread == None:
return
self.audio_running = False
self.audio_thread.join()
self.audio_thread = None
self.audio_stream = None
self.audio = None
def audio_cb(self):
"""
Рабочий цикл отправки видео
"""
while self.audio_running:
try:
pcm = self.audio_stream.read(self.audio_sample_count)
if pcm:
for call in itervalues(self.calls):
if call.audio_enabled:
try:
self.toxav_audio_send_frame(call.friend_number, pcm, self.audio_sample_count, self.audio_channels, self.audio_rate)
except ToxAVException as e:
self.core.verbose("ToxAVException: {0}".format(e))
except Exception as e:
self.core.verbose("{0}".format(e))
time.sleep(0.01)
def toxav_call_cb(self, friend_number, audio_enabled, video_enabled):
"""
Событие входящего звонка
(см. toxav_call_cb)
Аргументы:
friend_number (int) -- Номер друга
audio_enabled (bool) -- Включена передача аудио
video_enabled (bool) -- Включена передача видео
"""
if self.running:
friend_name = self.core.tox_friend_get_name(friend_number)
self.core.verbose("Friend {0}/{1} call with audio = {2} and video = {3}".format(friend_name, friend_number, audio_enabled, video_enabled))
self.calls[friend_number] = AVCall(friend_number, audio_enabled, video_enabled)
self.toxav_answer(friend_number, 32, 5000)
self.start_audio_thread()
self.start_video_thread()
def toxav_call_state_cb(self, friend_number, state):
"""
Событие смены состояния звонка
(см. toxav_call_state_cb)
Аргументы:
friend_number (int) -- Номер друга
state (int) -- Битовая маска состояний
"""
if self.running:
friend_name = self.core.tox_friend_get_name(friend_number)
self.core.verbose("Friend {0}/{1} change call state = {2}".format(friend_name, friend_number, state))
if state == self.TOXAV_FRIEND_CALL_STATE_FINISHED or state == self.TOXAV_FRIEND_CALL_STATE_ERROR:
del self.calls[friend_number]
if len(self.calls) == 0:
self.stop_video_thread()
self.stop_audio_thread()
if state & self.TOXAV_FRIEND_CALL_STATE_ACCEPTING_A:
self.calls[friend_number].audio_enabled = True
if state & self.TOXAV_FRIEND_CALL_STATE_ACCEPTING_V:
self.calls[friend_number].video_enabled = True
def toxav_bit_rate_status_cb(self, friend_number, audio_bit_rate, video_bit_rate):
"""
Событие перегрузки сети
(см. toxav_bit_rate_status_cb)
Аргументы:
friend_number (int) -- Номер друга
audio_bit_rate (int) -- Рекомендуемая скорость аудио
video_bit_rate (int) -- Рекомендуемая скорость видео
"""
if self.running:
friend_name = self.core.tox_friend_get_name(friend_number)
self.core.verbose("Friend {0}/{1} change audio bitrate = {2} and video bitrate = {3}".format(friend_name, friend_number, audio_bit_rate, video_bit_rate))
if __name__ == "__main__":
regexp = re.compile("--config=(.*)")
cfgfile = [match.group(1) for arg in sys.argv for match in [regexp.search(arg)] if match]
if len(cfgfile) == 0:
cfgfile = "echobot.cfg"
else:
cfgfile = cfgfile[0]
options = EchoBotOptions(EchoBotOptions.loadOptions(cfgfile))
bot = EchoBot(options)
botav = AVBot(bot)
try:
bot.run()
except KeyboardInterrupt:
pass
botav.stop()
bot.save_file()