/
player.py
executable file
·432 lines (388 loc) · 17 KB
/
player.py
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import sys
import socket
import threading
import os
from PyQt5.QtGui import QFont
from PyQt5.QtWidgets import *
from PyQt5.QtMultimediaWidgets import QVideoWidget
from PyQt5.QtMultimedia import QMediaPlayer, QMediaContent
from PyQt5.QtCore import QUrl, pyqtSignal, QTimer
from mainwindow import Ui_MainWindow
import util
import rtp
from rtp import rtp_packet
from rtsp import rtsp
from ts import ts
class Player(QMainWindow, Ui_MainWindow):
play_signal = pyqtSignal(object)
IDLE = 0
READY = 1
PLAY = 2
def __init__(self):
super(Player, self).__init__()
# init UI
self.setupUi(self)
self.media_player = QMediaPlayer(self)
self.video_widget = QVideoWidget(self)
self.media_player.setVideoOutput(self.video_widget)
self.centralwidget.layout().insertWidget(0, self.video_widget)
self.playBtn.clicked.connect(self.play_media)
self.pauseBtn.clicked.connect(self.pause_media)
self.stopBtn.clicked.connect(self.stop_media)
self.progressSlider.originMouseMoveEvent = self.progressSlider.mouseMoveEvent
self.progressSlider.mouseMoveEvent = self.progressSlider_mouse_move
self.progressSlider.sliderReleased.connect(self.reposition_media)
self.progressSlider.setDisabled(True)
self.urlLineEdit.setText('rtsp://127.0.0.1:57501/1')
# init component
self.timer = QTimer(self)
# init sockets
self.client_rtsp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.client_rtsp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.client_rtp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.client_rtp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.client_rtcp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.client_rtcp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# init thread
self.client_rtp_thread = None
self.play_event = None
# init client parameters
self.seq = 0
self.client_rtp_port = None
self.client_rtcp_port = None
self.client_session_id = None
self.url = None
self.status = self.IDLE
self.media_duration = 0
self.current_time = 0
self.init_end_time_label()
self.set_play_time()
# init cache file
self.client_root = os.path.split(os.path.abspath(__file__))[0]
self.cache_filename = os.path.join(self.client_root, 'Cache/tmp.ts')
self.file = None
def setup_play(self, url):
url_tup = util.parse_url(url)
if not url_tup:
QMessageBox.warning(self, 'Warning', 'Invalid URL.')
return -1
ip = url_tup[0]
port = int(url_tup[1])
path = url_tup[2]
try:
self.client_rtsp_socket.connect((ip, port))
except Exception as e:
QMessageBox.warning(self, 'Warning', 'Error: connect to media server failed.')
return -1
# send OPTIONS
request_dict = {'CSeq': str(self.seq)}
request = rtsp.generate_request('OPTIONS', url, request_dict)
self.client_rtsp_socket.send(request.encode())
response = self.client_rtsp_socket.recv(1024).decode()
if rtsp.get_status_code(response) != 200:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response code.')
return -1
response_dict = rtsp.get_response_dict(response)
if int(response_dict.get('CSeq')) != self.seq:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response SN.')
return -1
self.seq += 1
# send DESCRIBE
request_dict = {'CSeq': str(self.seq), 'Accept': 'application/sdp'}
request = rtsp.generate_request('DESCRIBE', url, request_dict)
self.client_rtsp_socket.send(request.encode())
response = self.client_rtsp_socket.recv(1024).decode()
if rtsp.get_status_code(response) != 200:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response code.')
return -1
response_dict = rtsp.get_response_dict(response)
if int(response_dict.get('CSeq')) != self.seq:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response SN.')
return -1
self.client_rtp_port = util.match_rtp_port(response)
if not self.client_rtp_port:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: can not specify RTP port.')
return -1
self.client_rtcp_port = self.client_rtp_port+1
self.seq += 1
# setup RTP and RTCP socket
self.client_rtp_socket.bind(('127.0.0.1', self.client_rtp_port))
self.client_rtcp_socket.bind(('127.0.0.1', self.client_rtcp_port))
self.status = self.READY
# send SETUP
request_dict = {'CSeq': str(self.seq), 'Transport': 'RTP/AVP;unicast;client_port=%d-%d' % (self.client_rtp_port,
self.client_rtcp_port)}
request = rtsp.generate_request('SETUP', url, request_dict)
self.client_rtsp_socket.send(request.encode())
response = self.client_rtsp_socket.recv(1024).decode()
if rtsp.get_status_code(response) != 200:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response code.')
return -1
response_dict = rtsp.get_response_dict(response)
if int(response_dict.get('CSeq')) != self.seq:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response SN.')
return -1
self.client_session_id = int(response_dict.get('Session'))
self.seq += 1
self.status = self.READY
# send PLAY
request_dict = {'CSeq': str(self.seq), 'Session': self.client_session_id, 'Range': 'npt=0.000-'}
request = rtsp.generate_request('PLAY', url, request_dict)
self.client_rtsp_socket.send(request.encode())
response = self.client_rtsp_socket.recv(1024).decode()
if rtsp.get_status_code(response) != 200:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response code.')
return -1
response_dict = rtsp.get_response_dict(response)
if int(response_dict.get('CSeq')) != self.seq:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response SN.')
return -1
self.seq += 1
self.current_time, self.media_duration = util.match_media_time(response)
return 0
def recv_stream(self, cache_filename):
cur_seq = 0
self.file = open(cache_filename, 'wb')
while True:
if self.status == self.READY:
self.play_event.wait()
if self.status == self.IDLE:
break
try:
data = self.client_rtp_socket.recv(rtp.TS_RTP_PACKET_SIZE)
except:
continue
seq = rtp_packet.get_seq(data)
if seq and seq < cur_seq:
continue
cur_seq = seq
payload = rtp_packet.get_payload(data)
self.file.write(payload)
if self.file:
self.file.close()
def start_play(self):
self.init_progress_slider()
self.init_end_time_label()
self.timer.stop()
self.timer.disconnect()
self.timer.timeout.connect(self.update_play_time)
self.timer.start(1000)
self.progressSlider.setDisabled(False)
self.media_player.setMedia(QMediaContent(QUrl.fromLocalFile(self.cache_filename)))
self.media_player.play()
def progressSlider_mouse_move(self, event):
self.progressSlider.originMouseMoveEvent(event)
self.current_time = self.progressSlider.value()
self.set_play_time()
def init_progress_slider(self):
self.progressSlider.setMinimum(0)
self.progressSlider.setMaximum(self.media_duration)
def init_end_time_label(self):
self.endTimeLabel.setText('%d:%02d' % (self.media_duration // 60, self.media_duration % 60))
def set_play_time(self):
if self.current_time >= self.media_duration:
self.stop_media()
self.progressSlider.setValue(self.current_time)
current_time = self.current_time
self.curTimeLabel.setText('%d:%02d' % (current_time // 60, current_time % 60))
def update_play_time(self):
self.current_time += 1
self.set_play_time()
def closeEvent(self, event):
if self.status != self.IDLE:
self.stop_media()
def play_media(self):
if self.status == self.IDLE:
# setup and play
url = self.urlLineEdit.text()
res = self.setup_play(url)
if res != -1:
# remove cache file
if os.path.exists(self.cache_filename):
os.remove(self.cache_filename)
self.url = url
self.client_rtp_thread = threading.Thread(target=self.recv_stream, args=(self.cache_filename,))
self.status = self.PLAY
self.play_event = threading.Event()
self.client_rtp_thread.start()
self.timer.timeout.connect(self.start_play)
self.timer.start(3000)
elif self.status == self.READY:
# send PLAY
request_dict = {'CSeq': str(self.seq), 'Session': self.client_session_id, 'Range': 'npt=now-'}
request = rtsp.generate_request('PLAY', self.url, request_dict)
self.client_rtsp_socket.send(request.encode())
response = self.client_rtsp_socket.recv(1024).decode()
if rtsp.get_status_code(response) != 200:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response code.')
return
response_dict = rtsp.get_response_dict(response)
if int(response_dict.get('CSeq')) != self.seq:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response SN.')
return
self.seq += 1
# resume
self.status = self.PLAY
self.play_event.set()
self.media_player.play()
self.timer.start(1000)
else:
return
def pause_media(self):
if self.status != self.PLAY:
return
self.media_player.pause()
self.timer.stop()
self.play_event.clear()
self.status = self.READY
# send PAUSE
request_dict = {'CSeq': str(self.seq), 'Session': self.client_session_id}
request = rtsp.generate_request('PAUSE', self.url, request_dict)
self.client_rtsp_socket.send(request.encode())
response = self.client_rtsp_socket.recv(1024).decode()
if rtsp.get_status_code(response) != 200:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response code.')
return -1
response_dict = rtsp.get_response_dict(response)
if int(response_dict.get('CSeq')) != self.seq:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response SN.')
return -1
self.seq += 1
def stop_media(self):
if self.status == self.IDLE:
return
request_dict = {'CSeq': str(self.seq), 'Session': self.client_session_id}
request = rtsp.generate_request('TEARDOWN', self.url, request_dict)
self.client_rtsp_socket.send(request.encode())
response = self.client_rtsp_socket.recv(1024).decode()
if rtsp.get_status_code(response) != 200:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response code.')
return
response_dict = rtsp.get_response_dict(response)
if int(response_dict.get('CSeq')) != self.seq:
# self.close_rtsp_connection()
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response SN.')
return
self.seq += 1
self.destroy_connection()
def reposition_media(self):
if self.status == self.IDLE:
return
self.pause_media()
self.media_player.stop()
self.media_player.setMedia(QMediaContent())
self.timer.stop()
self.timer.disconnect()
self.play_event.clear()
self.status = self.READY
self.current_time = self.progressSlider.value()
self.set_play_time()
# reset socket
self.client_rtp_socket.shutdown(socket.SHUT_RDWR)
self.client_rtp_socket.close()
self.client_rtp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.client_rtp_socket.bind(('127.0.0.1', self.client_rtp_port))
# send PLAY
request_dict = {'CSeq': str(self.seq), 'Session': self.client_session_id, 'Range': 'npt=%.3f-%.3f' %
(self.current_time,
self.media_duration)}
request = rtsp.generate_request('PLAY', self.url, request_dict)
self.client_rtsp_socket.send(request.encode())
response = self.client_rtsp_socket.recv(1024).decode()
if rtsp.get_status_code(response) != 200:
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response code.')
return
response_dict = rtsp.get_response_dict(response)
if int(response_dict.get('CSeq')) != self.seq:
self.destroy_connection()
QMessageBox.warning(self, 'Warning', 'Error: unexpected server response SN.')
return
self.seq += 1
self.current_time, self.media_duration = util.match_media_time(response)
# reset cache file
self.file.close()
os.remove(self.cache_filename)
self.file = open(self.cache_filename, 'wb')
# resume
self.status = self.PLAY
self.play_event.set()
self.timer.timeout.connect(self.start_play)
self.timer.start(3000)
def destroy_connection(self):
# reset status
self.status = self.IDLE
# reset player
self.media_player.stop()
self.media_player.setMedia(QMediaContent())
# reset RTSP socket
self.client_rtsp_socket.shutdown(socket.SHUT_RDWR)
self.client_rtsp_socket.close()
self.client_rtsp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.client_rtsp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# reset RTP socket
self.client_rtp_socket.shutdown(socket.SHUT_RDWR)
self.client_rtp_socket.close()
self.client_rtp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.client_rtp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# reset RTCP socket
self.client_rtcp_socket.shutdown(socket.SHUT_RDWR)
self.client_rtcp_socket.close()
self.client_rtcp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.client_rtcp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# reset thread
self.client_rtp_thread = None
self.play_event = None
# reset timer
self.timer.stop()
self.timer.disconnect()
# reset client parameters
self.seq = 0
self.client_rtp_port = None
self.client_rtcp_port = None
self.client_session_id = None
self.url = None
self.media_duration = 0
self.current_time = 0
self.init_end_time_label()
self.set_play_time()
# reset UI
self.progressSlider.setDisabled(True)
# reset cache file
self.file = None
if __name__ == "__main__":
app = QApplication(sys.argv)
font = QFont('Microsoft YaHei', 10)
app.setFont(font)
player = Player()
player.show()
sys.exit(app.exec_())