def change_sources(self):
self.source_number += 1
if self.source_number == len(self.change_list):
self.source_number = 0
self.vs.close()
self.vs = VideoStream(self.change_list[self.source_number])
self.vs.run()
def getServerInfo(self):
self.serverInfo = {}
for file in os.listdir(VIDEO_DIR):
if file.endswith(VIDEO_FILE_EXT):
videoSream = VideoStream(file)
videoSream.countFrame()
self.serverInfo[file] = videoSream.frameCnt
def __enter__(self):
if self.isWebcam:
# The VideoStream class always gives us the latest frame from the webcam. It uses another thread to read the frames.
self.vs = VideoStream(int(self.videoPath)).start()
# needed to load at least one frame into the VideoStream class
time.sleep(1.0)
#self.capture = cv2.VideoCapture(int(self.videoPath))
else:
# In the case of a video file, we want to analyze all the frames of the video thus are not using VideoStream class
self.capture = cv2.VideoCapture(self.videoPath)
return self
def open_stream(self):
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.connect((self.ip_address, XiaoYiActionCamera.DEFAULT_PORT))
server.send(b'{"msg_id":257,"token":0}')
data = str(server.recv(512))
while "rval" not in data:
data = str(server.recv(512))
token = re.findall('"param": (.+) }', data)[0]
stop_stream = bytes('{"msg_id":260,"token":%s}' % token,
encoding='ascii')
server.send(stop_stream)
start_stream = bytes('{"msg_id":259,"token":%s,"param":"none_force"}' %
token,
encoding='ascii')
server.send(start_stream)
def drain_camera_socket():
ignored = server.recv(512)
while ignored:
ignored = server.recv(512)
drain = threading.Thread(target=drain_camera_socket, args=())
drain.setDaemon(True)
drain.start()
return VideoStream(
FFmpegVideoCapture(XiaoYiActionCamera.STREAM_URL % self.ip_address,
self.stream_width, self.stream_height, 'bgr24'))
def create_video_handle(self,
cam_type="video_file",
cam_source="/sample_video/video.mp4"):
global stream_handle
print("cam_source:: " + cam_source + " cam_type :: " + cam_type)
if cam_type == "video_file":
video_dir = "sample_video"
# By default video file name should be video.mp4/avi
if os.path.exists(str(video_dir) + "/video.mp4"):
#if cam_source:
self.video_handle = str(str(video_dir) + "/video.mp4")
elif os.path.exists(str(video_dir) + "/video.avi"):
#if cam_source:
self.video_handle = str(str(video_dir) + "/video.avi")
else:
print("\n ERROR: Camera source Not Found...!!!")
print("\n Exiting inference...")
sys.exit(0)
elif cam_type == "rtsp_stream":
if cam_source:
self.video_handle = str(cam_source)
print("settin cam_source to value :: " + cam_source)
else:
print("\n ERROR: Camera source Not Found...!!!")
print("\n Exiting inference...")
sys.exit(0)
else:
web_cam_found = False
for i in range(4):
if os.path.exists("/dev/video" + str(i)):
web_cam_found = True
break
if web_cam_found:
self.video_handle = "/dev/video" + str(i)
else:
print("\n Error: Input Camera device not found/detected")
print("\n Exiting inference...")
sys.exit(0)
self.vs = VideoStream(self.video_handle).start()
# Reading widht and height details
self.img_width = int(self.vs.stream.get(cv2.CAP_PROP_FRAME_WIDTH))
self.img_height = int(self.vs.stream.get(cv2.CAP_PROP_FRAME_HEIGHT))
stream_handle = True
def getFrameNum(self, filename):
video = VideoStream(filename)
frameNum = -1
while frameNum != video.frameNbr():
frameNum = video.frameNbr()
video.nextFrame()
return frameNum
def recvRtspRequest(self):
responseCode=RESPONSE_OK
conn,(address,port)=self.clientInfo['rtspSocket']
spath=os.path.dirname(os.path.realpath(sys.argv[0]))
while True:
try:
data,tail=conn.recvfrom(RTSPBUFFERSIZE)
if data:
printLogToConsole(data)
temp=data.split(MESSAGESEP)
eventType=self.getEventTypeFromRTSP(temp)
otherData=''
if eventType==ActionEvents.EVSTEPUP:
self.csession=''.join(str(uuid.uuid1()).split('-'))
try:
vFileName=spath+"\\"+self.getVidoeFileNameFromRTSP(temp)
self.videoStream=VideoStream(vFileName)
self.rtpPort=self.getRtpPortFromRTSP(temp)
self.clientAddr=address
otherData=MESSAGESEP+"Vsize: "+str(os.stat(vFileName).st_size)
except IOError:
responseCode=RESPONSE_NOTFOUND
elif eventType==ActionEvents.EVPLAY:
if self.rtpSocket is None:
self.rtpSocket=socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sendRtpThread=threading.Event()
self.sendRtpThread.clear()
threading.Thread(target=self.sendRtp).start()
elif eventType==ActionEvents.EVPAUSE:
if self.sendRtpThread is not None:
self.sendRtpThread.set()# signal to stop the thread
elif eventType==ActionEvents.EVTEARDOWN:
if self.sendRtpThread is not None:
self.sendRtpThread.set()
elif eventType==ActionEvents.EVCLOSERTSPSOCKET:
conn.close()
conn=None
break
if conn is not None: conn.send(RTSPVERSION+' '+responseCode+MESSAGESEP+temp[1]+MESSAGESEP+"Session: "+str(self.csession)+otherData)
except socket.error:
print "\n"
traceback.print_exc(file=sys.stdout)
except:
print "\n"
traceback.print_exc(file=sys.stdout)
def __init__(self):
"""
Constructor
"""
global SVM_PATH
self.my_x = 0
self.my_y = 0
self.my_theta = 0
self.other_x = 0
self.other_y = 0
self.other_theta = 0
self.speed = 0
rospy.init_node('g3')
self.i2c = I2CHandler()
self.vs = VideoStream().start()
self.posData = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [
-1, -1
]] #-1 represents no data --> from the start no data has received
self.followingData = [
-1, -1, -1, -1, -1
] #-1 represents leader --> from start everyone is the leader
self.fanOutData = [-1, -1, -1, -1,
-1] #-1 represents no data has received
self.laneToGoTo = -1
self.fanOutFlag = False
self.foundLaneTime = -1
self.robot_follower = RobotFollower(100, k_p=0.5)
#self.serial = SerialHandler('/dev/ttyUSB0', 9600)
self.turnC = TurnCheck([640, 480], "segImage.png")
#self.gps_other = GpsClient(self.position_callback_other, color='green')
self.heartbeat = Heartbeat(self.heartbeat_callback,
self.platoon_pos_callback,
self.fan_out_callback,
self.lane_change_callback)
self.gps = GpsClient(self.position_callback)
self.image_recognizer = ImageRecognizer(SVM_PATH)
self.get_ultrasound()
time.sleep(2)
def processRtspRequest(self, data):
#Process RTSP request from the client.
request = data.split('\n')
#print(request)
param = request[0]
line = param.split(' ')
seq = request[1].split(' ')[1]
# addr = request[2]
# List = param.split(' ')
# seqList = seq.split(' ')
# addrList = addr.split(' ')
requestType = line[0]
if requestType == 'SETUP':
self.clientInfo['videoStream'] = VideoStream(line[1])
self.clientInfo['seqNum'] = 0
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
self.state = OK
self.clientInfo['session'] = randint(100000, 999999) # 随机生成session
self.RtspResponse(seq)
elif requestType == 'PLAY':
if self.state == OK:
self.state = PLAYING
self.clientInfo['rtpSocket'] = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.RtspResponse(seq)
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(target=self.sendRtp)
self.clientInfo['worker'].start() #开始播放
elif requestType == 'PAUSE':
if self.state == PLAYING:
self.state = OK
self.clientInfo['event'].set() #停止播放
self.RtspResponse(seq)
elif requestType == 'TEARDOWN':
self.clientInfo['event'].set()
self.RtspResponse(seq)
self.clientInfo['rtpSocket'].close()
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file DBid
filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process SETUP request
if requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print("processing SETUP")
try:
absName = filename[:filename.__len__() - (filename.split(".")[filename.split(".").__len__() - 1].__len__() + 1)]
self.clientInfo['videoStream'] = VideoStream("./contents/" + filename)# it must be a path
self.waveFile = wave.open('./contents/' + absName + '.wav', 'rb')
self.state = self.READY
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[1])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print("processing PLAY")
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.clientInfo["waveSocket"] = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[1])
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker']= threading.Thread(target=self.sendRtp)
self.clientInfo['wave'] = threading.Thread(target=self.sendWave)
self.clientInfo['wave'].start()
self.clientInfo['worker'].start()
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print("processing PAUSE")
self.state = self.READY
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
print("processing TEARDOWN")
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
self.mainSock.send(pickle.dumps("out," + str(self.agentSeqNum)))
import cv2
import imutils
import numpy as np
from VideoStream import VideoStream
from KeyClipWrite import KeyClipWriter
outputfile = "Ash"
write = None
vs = VideoStream(src=0).start()
fourcc = "MJPG"
fps = 20
(h, w) = (None, None)
#kcw=KeyClipWriter(32,1.0)
#frame=vs.read()
#frame=imutils.resize(frame,width=600)
#kcw.update(frame)
while True:
frame = vs.read()
frame = imutils.resize(frame, width=300)
if write is None:
out = "{}.avi".format(outputfile)
(h, w) = frame.shape[:2]
write = cv2.VideoWriter(out, cv2.VideoWriter_fourcc(*fourcc), fps,
(w * 2, h * 2), True)
zeros = np.zeros(frame.shape[:2], dtype="uint8")
(B, G, R) = cv2.split(frame)
R = cv2.merge([zeros, zeros, R])
G = cv2.merge([zeros, G, zeros])
B = cv2.merge([B, zeros, zeros])
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file name
filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
#print("abcbbcaafhkjsafsa")
# Process SETUP request
if requestType == self.SETUP:
#print("metvc")
if self.state == self.INIT:
# Update state
print("processing SETUP\n")
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
try:
self.clientInfo['videoStream'] = VideoStream(filename)
self.state = self.READY
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[1])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
self.countRTPSent = 0
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print("processing PLAY\n")
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[1])
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(target=self.sendRtp)
self.clientInfo['worker'].start()
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print("processing PAUSE\n")
self.state = self.READY
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
line4 = self.countRTPSent - eval(request[3].split(' ')[1])
print("=========================\nRTP packet loss rate: " + str(line4) + '/' + str(self.countRTPSent) + "\n=========================\n")
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
self.state = self.INIT
print("processing TEARDOWN\n")
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
elif requestType == self.DESCRIBE:
print("processing DESCRIBE\n")
# self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1], 'describe')
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file name
filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process SETUP request
if requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print("processing SETUP\n")
try:
self.clientInfo['videoStream'] = VideoStream(filename)
self.state = self.READY
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[0])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[0])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print("processing PLAY\n")
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[0])
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(
target=self.sendRtp)
self.clientInfo['worker'].start()
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print("processing PAUSE\n")
self.state = self.READY
try:
self.clientInfo['event'].set()
except:
sys.exit(0)
self.replyRtsp(self.OK_200, seq[0])
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
print("processing TEARDOWN\n")
try:
self.clientInfo['event'].set()
except:
pass
self.replyRtsp(self.OK_200, seq[0])
# Close the RTP socket
try:
self.clientInfo['rtpSocket'].close()
except:
pass
def processRtsp(self,receivedRtspDataJSON): """Handle received RTSP request""" # json tp dict receivedRtspData = json.loads(receivedRtspDataJSON) self.action = receivedRtspData['action'] # SETUP module if self.action == self.SETUP and self.state == self.INIT: self.fileName = receivedRtspData['fileName'] self.rtspVersion = receivedRtspData['rtspVersion'] self.CSeq = receivedRtspData['CSeq'] self.transportProtocol = receivedRtspData['transportProtocol'] self.rtpPort = receivedRtspData['rtpPort'] # create a session self.session = randint(0, 65536) try: self.file = VideoStream(self.fileName) # set frame number to 0 self.frameNbr = 0 # set rtpError to 0 self.rtpError = 0 # change state on server self.state = self.READY # send rtsp/tcp reply self.replyRtsp(200) print "ServerWorker SETUP" except IOError: self.replyRtsp(404) # PLAY module elif self.action == self.PLAY and self.state == self.READY: self.fileName = receivedRtspData['fileName'] self.rtspVersion = receivedRtspData['rtspVersion'] self.CSeq = receivedRtspData['CSeq'] self.session = receivedRtspData['session'] # change state on server self.state = self.PLAYING # connect RTP/UDP socket self.rtpScoket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) self.playEvent = threading.Event() self.playEvent.clear() self.rtpThread = threading.Thread(target=self.rtpConnect) self.rtpThread.start() # send rtsp/tcp reply self.replyRtsp(200) print "ServerWorker PLAY" # PAUSE module elif self.action == self.PAUSE and self.state == self.PLAYING: self.fileName = receivedRtspData['fileName'] self.rtspVersion = receivedRtspData['rtspVersion'] self.CSeq = receivedRtspData['CSeq'] self.session = receivedRtspData['session'] # change state on server self.state = self.READY # stop playEvent self.playEvent.set() # send rtsp/tcp reply self.replyRtsp(200) # Added line to prevent ghost sockets self.rtpScoket.close() print "ServerWorker PAUSE" # TEARDOWN module elif self.action == self.TEARDOWN: self.fileName = receivedRtspData['fileName'] self.rtspVersion = receivedRtspData['rtspVersion'] self.CSeq = receivedRtspData['CSeq'] self.session = receivedRtspData['session'] # flag of RTP/UDP socket flag = 1 try: # stop playEvent self.playEvent.set() except: flag = 0 print 'Attention! No playback thread was created before teardown!' # send rtsp/tcp reply self.replyRtsp(200) # Close the RTP/UDP socket if flag == 1: self.rtpScoket.close() print "ServerWorker TEARDOWN" # DESCRIBE module elif self.action == self.DESCRIBE: self.fileName = receivedRtspData['fileName'] self.rtspVersion = receivedRtspData['rtspVersion'] self.CSeq = receivedRtspData['CSeq'] self.session = receivedRtspData['session'] # change state on server self.state = self.READY # stop playEvent self.playEvent.set() # send rtsp/tcp reply self.replyDescribeRtsp(200) # Added line to prevent ghost sockets self.rtpScoket.close() print "ServerWorker DESCRIBE"
from picamera import PiCamera
from WebcamVideoStream import WebcamVideoStream
from VideoStream import VideoStream
import imutils
from threading import Thread
import cv2
from imutils.video import VideoStream
import datetime
import argparse
from Stepper import Stepper
ap = argparse.ArgumentParser()
ap.add_argument("-p", "--picamera", type=int, default=-1, help="whether the PiCamera being used")
args = vars(ap.parse_args())
vs = VideoStream(usePiCamera=args["picamera"] > 0).start()
time.sleep(2.0)
# Creating a VideoCapture object while also specifying which camera will be used for the purpose
# of capturing the video using hte input parameter 0.
cap = cv2.VideoCapture(0)
while True:
frame = vs.read()
frame = imutils.resize(frame, width=400)
# Converting captured frame to monochrome
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
# Blurring the image using the GaussianBlur() method of the opencv object
blur = cv2.GaussianBlur(gray, (9, 9), 0)
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
#line1 = request[0].split(' ')
#requestType = line1[0]
requestType, url, ver = re.split(r'\s+', request[0].strip())
# Get the media file name
#filename = line1[1]
hdr = {}
for r in request[1:]:
if len(r.strip()) == 0:
continue
arr = r.split(":")
if len(arr) == 2:
hdr[arr[0].strip().upper()] = arr[1].strip()
else:
print "not ok:", r, arr
# Get the RTSP sequence number
#Cseq=hdr['CSEQ']
# Process SETUP request
if requestType == self.OPTIONS:
if self.state == self.INIT:
print "processing OPTIONS\n"
self.replyOption(self.OK_200, hdr)
elif requestType == self.DESCRIBE:
if self.state == self.INIT:
print "processing DESCRIBE\n"
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
v = VideoStream()
self.clientInfo['videoStream'] = v
sdp = v.getSdp()
self.replyDescribe(self.OK_200, hdr, sdp)
print "processing DESCRIBE Done\n"
elif requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print "processing SETUP\n"
self.state = self.READY
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.bind(('', 0))
self.udpPort = s.getsockname()[1]
self.clientInfo["rtpSocket"] = s
self.clientInfo['rtpPort'] = int(
hdr['TRANSPORT'].split(';')[2].split('=')[1].split("-")[0])
# Send RTSP reply
self.replySetup(self.OK_200, hdr)
print "processing SETUP Done\n"
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print "processing PLAY\n"
self.state = self.PLAYING
# Create a new socket for RTP/UDP
#self.clientInfo["rtpSocket"] = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.replyPlay(self.OK_200, hdr)
print "processing PLAY Done\n"
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(
target=self.sendRtp)
self.clientInfo['worker'].start()
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print "processing PAUSE\n"
self.state = self.READY
self.clientInfo['event'].set()
self.replyPause(self.OK_200, hdr)
print "processing PAUSE Done\n"
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
print "processing TEARDOWN\n"
self.clientInfo['event'].set()
self.replyTeardown(self.OK_200, hdr)
print "processing TEARDOWN Done\n"
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
from VideoStream import VideoStream
from FaceFilters import FaceFilters
from faceTk import GUIFace
import time
filters = ['glasses.png', 'sunglasses.png', 'sunglasses1.png', 'sunglasses2.png', \
'dog.png', 'rabbit.png','moustache.png', 'moustache1.png', 'ironman.png', 'capAmerica.png']
vs = VideoStream(0).start()
fc = FaceFilters(filters)
time.sleep(2.0)
gui = GUIFace(vs, fc, 'output')
def set_Video_Source(self, newVideoPath):
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
retVal = False
realVideoPath = newVideoPath
if self.videoPath == newVideoPath and self._videoSourceState == CaptureDeviceState.Running:
return True
if self.imageStreamHandler != None:
statusMsg = '{{\"DeviceStatus\":\"Connecting to {}\",\"isSuccess\":{}}}'.format(
self._remove_credential(newVideoPath), 1)
self.imageStreamHandler.submit_write(statusMsg)
self._videoSourceState = CaptureDeviceState.Stop
if self._capture_in_progress:
# wait for queue to drain and loop to exit
time.sleep(1.0)
self._capture_in_progress = False
self._set_Video_Source_Type(realVideoPath)
if self._videoSourceType == CaptureDevice.Unknown:
self._videoSourceState = CaptureDeviceState.ErrorNotSupported
logging.error('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : Unsupported Video Source {}'.format(
self._videoSourceType))
else:
self._videoSourceState = CaptureDeviceState.Init
if self._videoSourceType == CaptureDevice.Hololens:
strHololens = realVideoPath.split('?')
# disable audio
realVideoPath = '{}?holo=true&pv=true&mic=false&loopback=false'.format(
strHololens[0])
self.videoStream = VideoStream(videoCapture=self,
path=realVideoPath)
fps_override = 30
if not self.videoStream.videoCapture == None:
# get resolution
cameraH1 = int(
self.videoStream.videoCapture.get(
cv2.CAP_PROP_FRAME_HEIGHT))
cameraW1 = int(
self.videoStream.videoCapture.get(
cv2.CAP_PROP_FRAME_WIDTH))
cameraFPS1 = int(
self.videoStream.videoCapture.get(cv2.CAP_PROP_FPS))
if self._videoSourceType == CaptureDevice.Webcam:
if not cameraH1 == self._displayH:
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_HEIGHT, self._displayH)
if not cameraW1 == self._displayW:
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_WIDTH, self._displayW)
elif self._videoSourceType == CaptureDevice.Rtsp:
if not cameraH1 == self._displayH:
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_HEIGHT, self._displayH)
if not cameraW1 == self._displayW:
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_WIDTH, self._displayW)
elif self._videoSourceType == CaptureDevice.Hololens:
holo_w = 1280
holo_h = 720
if 'live_med.mp4' in realVideoPath:
holo_w = 854
holo_h = 480
elif 'live_low.mp4' in realVideoPath:
holo_w = 428
holo_h = 240
fps_override = 15
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_HEIGHT, holo_h)
self.videoStream.videoCapture.set(cv2.CAP_PROP_FRAME_WIDTH,
holo_w)
self.videoStream.videoCapture.set(cv2.CAP_PROP_FPS,
fps_override)
self._cameraH = int(
self.videoStream.videoCapture.get(
cv2.CAP_PROP_FRAME_HEIGHT))
self._cameraW = int(
self.videoStream.videoCapture.get(
cv2.CAP_PROP_FRAME_WIDTH))
self._cameraFPS = int(
self.videoStream.videoCapture.get(cv2.CAP_PROP_FPS))
logging.info(
'==============================================================='
)
logging.info(
'Setting Video Capture with the following parameters:')
logging.info(' - Video Source Type : {}'.format(
self._videoSourceType))
logging.info(' - Display Resolution : {} x {}'.format(
self._displayW, self._displayH))
logging.info(' Original : {} x {} @ {}'.format(
cameraW1, cameraH1, cameraFPS1))
logging.info(' New : {} x {} @ {}'.format(
self._cameraW, self._cameraH, self._cameraFPS))
logging.info(
'==============================================================='
)
if self.videoStream.start():
self._videoSourceState = CaptureDeviceState.Running
retVal = True
else:
self._videoSourceState = CaptureDeviceState.ErrorRead
else:
if self._videoSourceType == CaptureDevice.Hololens or self._videoSourceType == CaptureDevice.Rtsp:
url_parsed = urlparse(realVideoPath)
if url_parsed.password != None or url_parsed.username != None:
url_parsed = url_parsed._replace(
netloc="{}".format(url_parsed.hostname))
ipAddress = url_parsed.netloc
ping_ret = subprocess.call(
['ping', '-c', '5', '-W', '3', ipAddress],
stdout=open(os.devnull, 'w'),
stderr=open(os.devnull, 'w'))
if ping_ret == 0:
self._videoSourceState = CaptureDeviceState.ErrorOpen
else:
self._videoSourceState = CaptureDeviceState.ErrorNoNetwork
logging.error('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : Failed to open Video Capture')
self.videoPath = realVideoPath
if retVal == False:
self.set_Wallpaper(self._frame_wp_no_video)
else:
self._videoReadyEvent.set()
self.sendCurrentVideoPath(realVideoPath)
return retVal
class ServerWorker:
def __init__(self,clientInfo):
self.clientInfo=clientInfo
self.csession=0
self.videoStream=None
self.rtpPort=None
self.rtpSocket=None
self.sendRtpThread=None
self.clientAddr=None
def run(self):
threading.Thread(target=self.recvRtspRequest).start()
def recvRtspRequest(self):
responseCode=RESPONSE_OK
conn,(address,port)=self.clientInfo['rtspSocket']
spath=os.path.dirname(os.path.realpath(sys.argv[0]))
while True:
try:
data,tail=conn.recvfrom(RTSPBUFFERSIZE)
if data:
printLogToConsole(data)
temp=data.split(MESSAGESEP)
eventType=self.getEventTypeFromRTSP(temp)
otherData=''
if eventType==ActionEvents.EVSTEPUP:
self.csession=''.join(str(uuid.uuid1()).split('-'))
try:
vFileName=spath+"\\"+self.getVidoeFileNameFromRTSP(temp)
self.videoStream=VideoStream(vFileName)
self.rtpPort=self.getRtpPortFromRTSP(temp)
self.clientAddr=address
otherData=MESSAGESEP+"Vsize: "+str(os.stat(vFileName).st_size)
except IOError:
responseCode=RESPONSE_NOTFOUND
elif eventType==ActionEvents.EVPLAY:
if self.rtpSocket is None:
self.rtpSocket=socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sendRtpThread=threading.Event()
self.sendRtpThread.clear()
threading.Thread(target=self.sendRtp).start()
elif eventType==ActionEvents.EVPAUSE:
if self.sendRtpThread is not None:
self.sendRtpThread.set()# signal to stop the thread
elif eventType==ActionEvents.EVTEARDOWN:
if self.sendRtpThread is not None:
self.sendRtpThread.set()
elif eventType==ActionEvents.EVCLOSERTSPSOCKET:
conn.close()
conn=None
break
if conn is not None: conn.send(RTSPVERSION+' '+responseCode+MESSAGESEP+temp[1]+MESSAGESEP+"Session: "+str(self.csession)+otherData)
except socket.error:
print "\n"
traceback.print_exc(file=sys.stdout)
except:
print "\n"
traceback.print_exc(file=sys.stdout)
def getEventTypeFromRTSP(self,request):
dataFrame=request[0].split()
return dataFrame[0][:len(dataFrame[0])-1]
def getVidoeFileNameFromRTSP(self,request):
fileName=request[0].split()[1]
return fileName
def getRtpPortFromRTSP(self,request):
dataFrame=request[2].split(';')
return int(dataFrame[1].split()[1])
def sendRtp(self):
while True:
if self.sendRtpThread.isSet(): break
time.sleep(0.05)# pause for 50 milliseconds
try:
vidata=self.videoStream.nextFrame()
if vidata:
rtpp=RtpPacket()
rtpp.encode(2,0,0,0,self.videoStream.frameNbr(),0,26,6,vidata)
self.rtpSocket.sendto(rtpp.getPacket(),(self.clientAddr,self.rtpPort))
else:
printLogToConsole("end of stream")
self.sendRtpThread.set()
self.rtpSocket.sendto(RTSPVERSION+' '+RESPONSE_OK_END+MESSAGESEP+"TotalFrame: "+str(self.videoStream.frameNbr())+MESSAGESEP+"Session: "+str(self.csession),(self.clientAddr,self.rtpPort))
try:
self.videoStream.file.close()
except: printLogToConsole("close file error")
break
except:
print "\n"
traceback.print_exc(file=sys.stdout)
class ONNXRuntimeModelDeploy(ObjectDetection, ImageClassification):
"""Object Detection class for ONNX Runtime
"""
def __init__(self,
manifest_dir,
cam_type="video_file",
cam_source="/sample_video/video.mp4",
tu_flag_=False):
# Default system params
#ToDo make this twin property
self.render = False
# Application parameters
self.img_width = 0
self.img_height = 0
self.cap_handle = None
self.vs = None
self.session = None
self.cam_type = cam_type
self.cam_source = cam_source
self.video_handle = None
self.twin_update_flag = tu_flag_
self.m_parser(manifest_dir)
def m_parser(self, model_dir):
m_file = open(model_dir + str("/cvexport.manifest"))
data = json.load(m_file)
# cvexport manifest prameters
self.domain_type = str(data["DomainType"])
print("Domain Type:", self.domain_type)
# default anchors
if str(self.domain_type) == "ObjectDetection":
objdet = ObjectDetection(data, model_dir, None)
ret = self.model_inference(objdet, iot_hub_manager, 1)
elif str(self.domain_type) == "Classification":
imgcls = ImageClassification(data, model_dir)
ret = self.model_inference(imgcls, iot_hub_manager, 0)
else:
print(
"Error: No matching DomainType: Object Detection/Image Classificaiton \n"
)
print("Exiting.....!!!! \n")
sys.exit(0)
if ret == 1:
print("App finished running Inference...Exiting...!!!")
sys.exit(1)
#def predict(self, preprocessed_image):
# inputs = np.array(preprocessed_image, dtype=np.float32)[np.newaxis,:,:,(2,1,0)] # RGB -> BGR
# inputs = np.ascontiguousarray(np.rollaxis(inputs, 3, 1))
# start = time.time()
# outputs = self.session.run(None, {self.input_name: inputs})
# end = time.time()
# inference_time = end - start
# return np.squeeze(outputs).transpose((1,2,0)), inference_time
def create_video_handle(self,
cam_type="video_file",
cam_source="/sample_video/video.mp4"):
global stream_handle
print("cam_source:: " + cam_source + " cam_type :: " + cam_type)
if cam_type == "video_file":
video_dir = "sample_video"
# By default video file name should be video.mp4/avi
if os.path.exists(str(video_dir) + "/video.mp4"):
#if cam_source:
self.video_handle = str(str(video_dir) + "/video.mp4")
elif os.path.exists(str(video_dir) + "/video.avi"):
#if cam_source:
self.video_handle = str(str(video_dir) + "/video.avi")
else:
print("\n ERROR: Camera source Not Found...!!!")
print("\n Exiting inference...")
sys.exit(0)
elif cam_type == "rtsp_stream":
if cam_source:
self.video_handle = str(cam_source)
print("settin cam_source to value :: " + cam_source)
else:
print("\n ERROR: Camera source Not Found...!!!")
print("\n Exiting inference...")
sys.exit(0)
else:
web_cam_found = False
for i in range(4):
if os.path.exists("/dev/video" + str(i)):
web_cam_found = True
break
if web_cam_found:
self.video_handle = "/dev/video" + str(i)
else:
print("\n Error: Input Camera device not found/detected")
print("\n Exiting inference...")
sys.exit(0)
self.vs = VideoStream(self.video_handle).start()
# Reading widht and height details
self.img_width = int(self.vs.stream.get(cv2.CAP_PROP_FRAME_WIDTH))
self.img_height = int(self.vs.stream.get(cv2.CAP_PROP_FRAME_HEIGHT))
stream_handle = True
def model_inference(self, obj, iot_hub_manager, pp_flag):
global stream_handle
last_time = time.time()
# Default video surce to usb_cam @ /dev/video0
# If can change it to video_file in twin updates
# ***** Requirments to pass a video_file *****
# Video file should be .mp4/.avi extension with name of file a "video" Ex: video.mp4/avi
# Video file should be an url link to a .zip folder
self.create_video_handle(cam_type=self.cam_type,
cam_source=self.cam_source)
while self.vs.stream.isOpened():
if iot_hub_manager.setRestartCamera == True:
iot_hub_manager.setRestartCamera = False
if iot_hub_manager.model_url == None:
model_folder = "./default_model"
else:
model_folder = iot_hub_manager.model_dst_folder
#self.cap_handle.release()
obj.session = None
#RunOptions.terminate = True
self.vs.stream.release()
if (self.render):
cv2.destroyAllWindows()
if os.path.exists(
str(model_folder) + str('/cvexport.manifest')):
print("\n Reading cvexport.config file from model folder")
config_file_dir = str(model_folder)
#self.create_video_handle(iot_hub_manager.cam_type, iot_hub_manager.cam_source)
self.__init__(config_file_dir, iot_hub_manager.cam_type,
iot_hub_manager.cam_source, True)
elif os.path.exists("./default_model/cvexport.manifest"):
config_file_dir = "./default_model"
print(
"\n Reading cvexport.manifest file from default_model folder"
)
#self.create_video_handle(iot_hub_manager.cam_type, iot_hub_manager.cam_source)
self.__init__(config_file_dir, iot_hub_manager.cam_type,
iot_hub_manager.cam_source, True)
else:
print(
"\n ERROR: cvexport.manifest not found check root/model dir"
)
print("\n Exiting inference....")
sys.exit(0)
#iot_hub_manager.setRestartCamera = False
# Caputre frame-by-frame
frame = self.vs.read()
print(frame)
if self.twin_update_flag:
predictions, infer_time = obj.predict_image(frame)
print(pp_flag)
# if Object Detection
if pp_flag:
for d in predictions:
x = int(d['boundingBox']['left'] * self.img_width)
y = int(d['boundingBox']['top'] * self.img_height)
w = int(d['boundingBox']['width'] * self.img_width)
h = int(d['boundingBox']['height'] * self.img_height)
x_end = x + w
y_end = y + h
start = (x, y)
end = (x_end, y_end)
out_label = str(d['tagName'])
score = str(int(d['probability'] * 100))
print("Found label " + out_label +
" with probability :: " + score)
if 0.50 < d['probability']:
frame = cv2.rectangle(frame, start, end,
(100, 255, 100), 2)
out_label = str(d['tagName'])
score = str(int(d['probability'] * 100))
cv2.putText(frame, out_label, (x - 5, y),
cv2.FONT_HERSHEY_COMPLEX, 0.5,
(255, 255, 255), 2)
#cv2.putText(frame, score, (x+w-50, y), cv2.FONT_HERSHEY_COMPLEX, 0.5, (0, 255, 0), 2)
message = {
"Label":
out_label,
"Confidence":
score,
"Position": [x, y, x_end, y_end],
"TimeStamp":
datetime.datetime.utcnow().strftime(
"%Y-%m-%d %H:%M:%S")
}
# Send message to IoT Hub
if iot_hub_manager is not None:
last_time = iot_hub_manager.send_message_to_upstream(
json.dumps(message), last_time)
else: #Postprocessing for Classificaton model
res = obj.postprocess(predictions)
idx = np.argmax(res)
frame = cv2.putText(frame, obj.labels[idx], (15, 15),
cv2.FONT_HERSHEY_COMPLEX, 0.5,
(0, 255, 0), 2)
message = {
"Label":
obj.labels[idx],
"TimeStamp":
datetime.datetime.utcnow().strftime(
"%Y-%m-%d %H:%M:%S")
}
# Send message to IoT Hub
# ToDo send to module
# ToDo set the frequncy from module twin
if iot_hub_manager is not None:
last_time = iot_hub_manager.send_message_to_upstream(
json.dumps(message), last_time)
cv2.putText(frame, 'FPS: {}'.format(1.0 / infer_time),
(10, 40), cv2.FONT_HERSHEY_COMPLEX, 0.5,
(255, 0, 255), 1)
if self.render:
# Displaying the image
cv2.imshow("Inference results", frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cv2.destroyAllWindows()
# when everything done, release the capture
self.vs.__exit__(None, None, None)
return True
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
self.requestType = line1[0]
# Get the media file name
self.filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process SETUP request
if self.requestType == self.SETUP:
if self.state == self.INIT or self.state == self.SWITCHING:
# Update state
print("processing SETUP\n")
try:
self.clientInfo['videoStream'] = VideoStream(self.filename)
self.state = self.READY
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[1])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
# Initialize a frame counter
self.frameCnt = 0
# Process DESCRIBE request
elif self.requestType == self.DESCRIBE:
print("processing DESCRIBE\n")
self.replyRtsp(self.OK_200, seq[1])
# Process PLAY request
elif self.requestType == self.PLAY:
if self.state == self.READY:
print("processing PLAY\n")
self.state = self.PLAYING
requestedFrame = int(request[3].split(' ')[1])
frameCnt = self.serverInfo[self.filename]
if requestedFrame >= frameCnt:
requestedFrame = frameCnt - 1
self.clientInfo['requestedFrame'] = requestedFrame
# Create a new socket for RTP/UDP
self.clientInfo['rtpSocket'] = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[1])
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(
target=self.sendRtp)
self.clientInfo['worker'].start()
# Process PAUSE request
elif self.requestType == self.PAUSE:
if self.state == self.PLAYING:
print("processing PAUSE\n")
self.state = self.READY
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Process TEARDOWN request
elif self.requestType == self.TEARDOWN:
print("processing TEARDOWN\n")
self.state = self.INIT
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
# Process SWITCH request
elif self.requestType == self.SWITCH:
print("processing SWITCH\n")
self.state = self.SWITCHING
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
# Process GET_LIST request
elif self.requestType == self.GET_LIST:
print("processing GET_LIST\n")
self.replyRtsp(self.OK_200, seq[1])
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file name
filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process SETUP request
if requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print("processing SETUP\n")
try:
self.clientInfo['videoStream'] = VideoStream(filename)
self.state = self.READY
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[1])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3] #Change
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print("processing PLAY\n")
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[1])
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(
target=self.sendRtp)
self.clientInfo['worker'].start()
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print("processing PAUSE\n")
self.state = self.READY
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Process STOP request
elif requestType == self.STOP:
print("processing STOP\n")
if self.state == self.PLAYING: #note
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Close the RTP socket
if self.state == self.PLAYING: #note
self.clientInfo['rtpSocket'].close()
elif requestType == self.DESCRIBE:
print("processing DESCRIBE\n")
file_path = 'information.txt'
with open(file_path, 'w') as f:
info = "v=0\n" + \
"m=video " + str(int(self.clientInfo['rtpPort'])) + " RTP/AVP " + "26\n" + \
"a=control:streamid=" + str(self.clientInfo['session']) + "\n" + \
"a=mimetype:string;\"video/MJPEG\"\n"
general_info = "RTSP/1.0 200 OK\nCSeq: " + str(seq[1]) + "\n" + \
"Content-Base: " + filename + "\n" + \
"Content-Type: " + "application/sdp\n" + \
"Content-Length: " + str(len(info)) + "\n"
general_info += info
f.write(general_info)
with open(file_path, "rb") as f:
connSocket = self.clientInfo['rtspSocket'][0]
l = f.read(1024)
while (l):
connSocket.send(l)
l = f.read(1024)
self.replyRtsp(self.OK_200, seq[1])
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file name
filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process SETUP request
if requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print "processing SETUP\n"
try:
self.clientInfo['videoStream'] = VideoStream(filename)
self.state = self.READY
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[1])
print "RTSP/1.0 200 OK\nCSeq: " + seq[1] + "\nSession: " + str(
self.clientInfo['session'])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print "\nprocessing PLAY\n"
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[1])
print "\nRTSP/1.0 200 OK\nCSeq: " + seq[
1] + "\nSession: " + str(self.clientInfo['session']) + "\n"
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(
target=self.sendRtp)
self.clientInfo['worker'].start()
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
self.state = self.READY
print "\nprocessing PAUSE\n"
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[0])
print "\nRTSP/1.0 200 OK\nCSeq: " + seq[
0] + "\nSession: " + str(self.clientInfo['session']) + "\n"
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
print "\nprocessing TEARDOWN\n"
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[0])
print "\nRTSP/1.0 200 OK\nCSeq: " + seq[0] + "\nSession: " + str(
self.clientInfo['session']) + "\n"
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
#calc and display avg. jitter
frameNumber = self.clientInfo['videoStream'].frameNbr()
rate = float(self.jitcount) / frameNumber
print("Jitter: %.6f" % rate) + " s"
import cv2
from imutils.video import VideoStream
import datetime
import argparse
from Stepper import Stepper
from Servo import Servo
ap = argparse.ArgumentParser()
ap.add_argument("-p",
"--picamera",
type=int,
default=-1,
help="whether the PiCamera being used")
args = vars(ap.parse_args())
vs = VideoStream(usePiCamera=args["picamera"] > 0).start()
time.sleep(2.0)
def main(argv):
bright_values = {} # creates an array of the brightest values
count = 0
while True:
if count == 7: # looks for 7 different spots
break
frame = vs.read() # reads the frame from the OpenCV object
frame = imutils.resize(
frame, width=400
class VideoCapture(object):
def __init__(self,
videoPath="",
verbose=True,
displayW=1920,
displayH=1080,
fontScale=1.0,
inference=True,
confidenceLevel=0.5):
self.verbose = verbose
self._debug = False
self.videoPath = videoPath
self._videoSourceType = CaptureDevice.Unknown
self._videoSourceState = CaptureDeviceState.Unknown
self.videoStream = None
self._videoReadyEvent = Event()
self._capture_in_progress = False
# Display Resolution
# Will try to set camera's resolution to the specified resolution
self._displayW = displayW
self._displayH = displayH
self._cameraW = 0
self._cameraH = 0
# Camera's FPS
self._cameraFPS = 30
# Font Scale for putText
self._fontScale = float(fontScale)
# turn inference on/off
self.runInference = inference
# confidence level threshold
self.confidenceLevel = confidenceLevel
# various frame data
# frame data for UI
self._displayFrame = None
# wallpapers for UI
self._frame_wp_init_system = cv2.imread(
"./www/WP-InitializingSystem.png")
self._frame_wp_no_video = cv2.imread("./www/WP-NoVideoData.png")
self._frame_wp_init_iothub = cv2.imread(
"./www/WP-InitializeIotHub.png")
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
logging.info(
'===============================================================')
logging.info(
'Initializing Video Capture with the following parameters:')
logging.info(' - OpenCV Version : {}'.format(cv2.__version__))
logging.info(' - Video path : {}'.format(self.videoPath))
logging.info(' - Display Resolution : {} x {}'.format(
self._displayW, self._displayH))
logging.info(' - Font Scale : {}'.format(self._fontScale))
logging.info(' - Inference? : {}'.format(self.runInference))
logging.info(' - ConfidenceLevel : {}'.format(
self.confidenceLevel))
logging.info(
'===============================================================')
# set wallpaper
self.set_Wallpaper(self._frame_wp_init_system)
# set FPS
self.fps = FPS()
self.imageStreamHandler = None
# Start Web Server for View
self.imageServer = ImageServer(80, self)
self.imageServer.start()
# Set Video Source
self.set_Video_Source(self.videoPath)
self.set_Wallpaper(cv2.imread("./www/WP-InitializeAIEngine.png"))
# logging.info('Yolo Inference Initializing\r\n')
self.yoloInference = YoloInference(self._fontScale, sendMessage=False)
# logging.info('Yolo Inference Initialized\r\n')
def __enter__(self):
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
# self.set_Video_Source(self.videoPath)
return self
def videoStreamReadTimeoutHandler(self, signum, frame):
raise Exception("VideoStream Read Timeout")
#
# Video Source Management
#
def _set_Video_Source_Type(self, videoPath):
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : {}'.format(videoPath))
self._reset_Video_Source()
if '/dev/video' in videoPath.lower():
self._videoSourceType = CaptureDevice.Webcam
elif 'rtsp:' in videoPath.lower():
self._videoSourceType = CaptureDevice.Rtsp
elif '/api/holographic/stream' in videoPath.lower():
self._videoSourceType = CaptureDevice.Hololens
if self.verbose:
logging.info('<< ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : {}'.format(self._videoSourceType))
def _get_Video_Source_Type(self, videoPath):
videoType = CaptureDevice.Unknown
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : {}'.format(videoPath))
if '/dev/video' in videoPath.lower():
videoType = CaptureDevice.Webcam
elif 'rtsp:' in videoPath.lower():
videoType = CaptureDevice.Rtsp
elif '/api/holographic/stream' in videoPath.lower():
videoType = CaptureDevice.Hololens
return videoType
#
# Resets video capture/stream settings
#
def _reset_Video_Source(self):
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
if self.videoStream:
self.videoStream.stop()
# self.videoStream.close()
# self.videoStream = None
self._videoSourceType = CaptureDevice.Unknown
self._videoSourceState = CaptureDeviceState.Unknown
def set_Video_Source(self, newVideoPath):
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
retVal = False
realVideoPath = newVideoPath
if self.videoPath == newVideoPath and self._videoSourceState == CaptureDeviceState.Running:
return True
if self.imageStreamHandler != None:
statusMsg = '{{\"DeviceStatus\":\"Connecting to {}\",\"isSuccess\":{}}}'.format(
self._remove_credential(newVideoPath), 1)
self.imageStreamHandler.submit_write(statusMsg)
self._videoSourceState = CaptureDeviceState.Stop
if self._capture_in_progress:
# wait for queue to drain and loop to exit
time.sleep(1.0)
self._capture_in_progress = False
self._set_Video_Source_Type(realVideoPath)
if self._videoSourceType == CaptureDevice.Unknown:
self._videoSourceState = CaptureDeviceState.ErrorNotSupported
logging.error('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : Unsupported Video Source {}'.format(
self._videoSourceType))
else:
self._videoSourceState = CaptureDeviceState.Init
if self._videoSourceType == CaptureDevice.Hololens:
strHololens = realVideoPath.split('?')
# disable audio
realVideoPath = '{}?holo=true&pv=true&mic=false&loopback=false'.format(
strHololens[0])
self.videoStream = VideoStream(videoCapture=self,
path=realVideoPath)
fps_override = 30
if not self.videoStream.videoCapture == None:
# get resolution
cameraH1 = int(
self.videoStream.videoCapture.get(
cv2.CAP_PROP_FRAME_HEIGHT))
cameraW1 = int(
self.videoStream.videoCapture.get(
cv2.CAP_PROP_FRAME_WIDTH))
cameraFPS1 = int(
self.videoStream.videoCapture.get(cv2.CAP_PROP_FPS))
if self._videoSourceType == CaptureDevice.Webcam:
if not cameraH1 == self._displayH:
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_HEIGHT, self._displayH)
if not cameraW1 == self._displayW:
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_WIDTH, self._displayW)
elif self._videoSourceType == CaptureDevice.Rtsp:
if not cameraH1 == self._displayH:
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_HEIGHT, self._displayH)
if not cameraW1 == self._displayW:
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_WIDTH, self._displayW)
elif self._videoSourceType == CaptureDevice.Hololens:
holo_w = 1280
holo_h = 720
if 'live_med.mp4' in realVideoPath:
holo_w = 854
holo_h = 480
elif 'live_low.mp4' in realVideoPath:
holo_w = 428
holo_h = 240
fps_override = 15
self.videoStream.videoCapture.set(
cv2.CAP_PROP_FRAME_HEIGHT, holo_h)
self.videoStream.videoCapture.set(cv2.CAP_PROP_FRAME_WIDTH,
holo_w)
self.videoStream.videoCapture.set(cv2.CAP_PROP_FPS,
fps_override)
self._cameraH = int(
self.videoStream.videoCapture.get(
cv2.CAP_PROP_FRAME_HEIGHT))
self._cameraW = int(
self.videoStream.videoCapture.get(
cv2.CAP_PROP_FRAME_WIDTH))
self._cameraFPS = int(
self.videoStream.videoCapture.get(cv2.CAP_PROP_FPS))
logging.info(
'==============================================================='
)
logging.info(
'Setting Video Capture with the following parameters:')
logging.info(' - Video Source Type : {}'.format(
self._videoSourceType))
logging.info(' - Display Resolution : {} x {}'.format(
self._displayW, self._displayH))
logging.info(' Original : {} x {} @ {}'.format(
cameraW1, cameraH1, cameraFPS1))
logging.info(' New : {} x {} @ {}'.format(
self._cameraW, self._cameraH, self._cameraFPS))
logging.info(
'==============================================================='
)
if self.videoStream.start():
self._videoSourceState = CaptureDeviceState.Running
retVal = True
else:
self._videoSourceState = CaptureDeviceState.ErrorRead
else:
if self._videoSourceType == CaptureDevice.Hololens or self._videoSourceType == CaptureDevice.Rtsp:
url_parsed = urlparse(realVideoPath)
if url_parsed.password != None or url_parsed.username != None:
url_parsed = url_parsed._replace(
netloc="{}".format(url_parsed.hostname))
ipAddress = url_parsed.netloc
ping_ret = subprocess.call(
['ping', '-c', '5', '-W', '3', ipAddress],
stdout=open(os.devnull, 'w'),
stderr=open(os.devnull, 'w'))
if ping_ret == 0:
self._videoSourceState = CaptureDeviceState.ErrorOpen
else:
self._videoSourceState = CaptureDeviceState.ErrorNoNetwork
logging.error('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : Failed to open Video Capture')
self.videoPath = realVideoPath
if retVal == False:
self.set_Wallpaper(self._frame_wp_no_video)
else:
self._videoReadyEvent.set()
self.sendCurrentVideoPath(realVideoPath)
return retVal
def get_display_frame(self):
return self.displayFrame
def set_status(self, device_status):
self._videoSourceState = device_status
if self._videoSourceState != CaptureDeviceState.Running:
self.sendCurrentVideoPath("")
def sendCurrentVideoPath(self, videoPath):
if videoPath == "":
video_path = self._remove_credential(self.videoPath)
else:
video_path = self._remove_credential(videoPath)
logging.info('>> Current Video Status {}'.format(
self._videoSourceState))
if self.imageStreamHandler != None:
if self._videoSourceState == CaptureDeviceState.Running:
strUserName = ""
strPassword = ""
videoType = self._get_Video_Source_Type(videoPath)
if videoType == CaptureDevice.Rtsp or videoType == CaptureDevice.Hololens:
url_parsed = urlparse(videoPath)
if url_parsed.password != None:
strPassword = url_parsed.password
if url_parsed.username != None:
strUserName = url_parsed.username
statusMsg = '{{\"DevicePath\":\"{}\",\"isSuccess\":{},\"UserName\":\"{}\",\"Password\":\"{}\"}}'.format(
video_path, 1, strUserName, strPassword)
else:
statusMsg = '{{\"DeviceStatus\":\"Error ({}): {}\",\"isSuccess\":{},\"UserName\":\"\",\"Password\":\"\"}}'.format(
self._videoSourceState, video_path, 0)
self.imageStreamHandler.submit_write(statusMsg)
def setVideoPathFromUI(self, json_Data):
videoPath = ""
json_Data = json.loads(json_Data)
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : {}'.format(json_Data["VideoPath"]))
logging.info('>> {}'.format(json_Data["VideoPath"]))
logging.info('>> {}'.format(json_Data["UserName"]))
logging.info('>> {}'.format(json_Data["Password"]))
videoType = self._get_Video_Source_Type(json_Data["VideoPath"])
if videoType == CaptureDevice.Webcam:
videoPath = json_Data["VideoPath"].strip()
elif videoType == CaptureDevice.Rtsp or videoType == CaptureDevice.Hololens:
url_parsed = urlparse(json_Data["VideoPath"].strip())
if '@' in url_parsed.netloc or len(json_Data["UserName"]) == 0:
# already contains password or user name not specified
videoPath = json_Data["VideoPath"]
else:
url_parsed = url_parsed._replace(netloc='{}:{}@{}'.format(
json_Data["UserName"], json_Data["Password"],
url_parsed.netloc))
videoPath = url_parsed.geturl()
self.set_Video_Source(videoPath)
def _remove_credential(self, videoPath):
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
ret_Path = ""
videoType = self._get_Video_Source_Type(videoPath)
if videoType == CaptureDevice.Webcam:
ret_Path = videoPath
elif videoType == CaptureDevice.Rtsp or videoType == CaptureDevice.Hololens:
url_parsed = urlparse(videoPath)
if url_parsed.password != None or url_parsed.username != None:
url_parsed = url_parsed._replace(
netloc="{}".format(url_parsed.hostname))
ret_Path = url_parsed.geturl()
return ret_Path
def set_Wallpaper(self, image):
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
self.displayFrame = cv2.imencode('.jpg', image)[1].tobytes()
def start(self):
if self.verbose:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
while True:
if self._videoSourceState == CaptureDeviceState.Running:
self._capture_in_progress = True
self.__Run__()
self._capture_in_progress = False
else:
if self._videoSourceState == CaptureDeviceState.ErrorOpen or self._videoSourceState == CaptureDeviceState.ErrorRead:
self.set_Wallpaper(self._frame_wp_no_video)
if self._videoSourceType == CaptureDevice.Unknown:
if self._debug:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : Unknown Device')
time.sleep(1.0)
else:
if self._debug:
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name +
'() : Device Not Running')
# time.sleep(1.0)
logging.info('>> Video Ready Event Enter ---------------')
self._videoReadyEvent.wait()
logging.info('<< Video Ready Event Exit ---------------')
self._videoReadyEvent.clear()
def __Run__(self):
if self.verbose:
logging.info(
'==============================================================='
)
logging.info('>> ' + self.__class__.__name__ + "." +
sys._getframe().f_code.co_name + '()')
# Check camera's FPS
if self._cameraFPS == 0:
logging.error('Error : Could not read FPS')
# raise Exception("Unable to acquire FPS for Video Source")
return
logging.info('>> Frame rate (FPS) : {}'.format(self._cameraFPS))
logging.info('>> Run Inference {}'.format(self.runInference))
perFrameTimeInMs = 1000 / self._cameraFPS
self.fps.start()
self.fps.reset()
while True:
# Get current time before we capture a frame
tFrameStart = time.time()
frame = np.array([])
captureRet = False
if not self._videoSourceState == CaptureDeviceState.Running:
break
captureRet, frame = self.videoStream.read()
if captureRet == False:
self._videoSourceState = CaptureDeviceState.ErrorRead
logging.error("ERROR : Failed to read from video source")
break
if frame.size > 0:
# Run Object Detection
if self.runInference:
self.yoloInference.runInference(frame, self._cameraW,
self._cameraH,
self.confidenceLevel)
# Calculate FPS
currentFPS = self.fps.fps()
if (currentFPS > self._cameraFPS):
# Cannot go faster than Camera's FPS
currentFPS = self._cameraFPS
# Add FPS Text to the frame
cv2.putText(frame, "FPS " + str(currentFPS),
(10, int(30 * self._fontScale)),
cv2.FONT_HERSHEY_SIMPLEX, self._fontScale,
(0, 0, 255), 2)
self.displayFrame = cv2.imencode('.jpg', frame)[1].tobytes()
timeElapsedInMs = (time.time() - tFrameStart) * 1000
if perFrameTimeInMs > timeElapsedInMs:
# This is faster than image source (e.g. camera) can feed.
waitTimeBetweenFrames = perFrameTimeInMs - timeElapsedInMs
time.sleep(waitTimeBetweenFrames / 1000.0)
def __exit__(self, exception_type, exception_value, traceback):
self.imageServer.close()
cv2.destroyAllWindows()
class ServerWorker:
SETUP = 'SETUP'
PLAY = 'PLAY'
PAUSE = 'PAUSE'
TEARDOWN = 'TEARDOWN'
DESCRIBE = 'DESCRIBE'
INIT = 0
READY = 1
PLAYING = 2
state = INIT
clientInfo = {}
"""Initialization"""
def __init__(self, clientInfo):
self.clientInfo = clientInfo
print "ServerWorker init done\n"
"""Create RTSP thread"""
def run(self):
self.rtspThread = threading.Thread(target=self.receiveRtsp)
self.rtspThread.start()
print "ServerWorker run done\n"
"""RTSP/TCP module"""
def receiveRtsp(self):
"""connect rtsp/tcp socket"""
rtspSocket = self.clientInfo['rtspSocket'][0]
print "ServerWorker RTSP/TCP socket connected\n"
while True:
receivedRtspDataJSON = rtspSocket.recv(256)
if receivedRtspDataJSON:
self.processRtsp(receivedRtspDataJSON)
def processRtsp(self,receivedRtspDataJSON):
"""Handle received RTSP request"""
# json tp dict
receivedRtspData = json.loads(receivedRtspDataJSON)
self.action = receivedRtspData['action']
# SETUP module
if self.action == self.SETUP and self.state == self.INIT:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.transportProtocol = receivedRtspData['transportProtocol']
self.rtpPort = receivedRtspData['rtpPort']
# create a session
self.session = randint(0, 65536)
try:
self.file = VideoStream(self.fileName)
# set frame number to 0
self.frameNbr = 0
# set rtpError to 0
self.rtpError = 0
# change state on server
self.state = self.READY
# send rtsp/tcp reply
self.replyRtsp(200)
print "ServerWorker SETUP"
except IOError:
self.replyRtsp(404)
# PLAY module
elif self.action == self.PLAY and self.state == self.READY:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.session = receivedRtspData['session']
# change state on server
self.state = self.PLAYING
# connect RTP/UDP socket
self.rtpScoket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.playEvent = threading.Event()
self.playEvent.clear()
self.rtpThread = threading.Thread(target=self.rtpConnect)
self.rtpThread.start()
# send rtsp/tcp reply
self.replyRtsp(200)
print "ServerWorker PLAY"
# PAUSE module
elif self.action == self.PAUSE and self.state == self.PLAYING:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.session = receivedRtspData['session']
# change state on server
self.state = self.READY
# stop playEvent
self.playEvent.set()
# send rtsp/tcp reply
self.replyRtsp(200)
# Added line to prevent ghost sockets
self.rtpScoket.close()
print "ServerWorker PAUSE"
# TEARDOWN module
elif self.action == self.TEARDOWN:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.session = receivedRtspData['session']
# flag of RTP/UDP socket
flag = 1
try:
# stop playEvent
self.playEvent.set()
except:
flag = 0
print 'Attention! No playback thread was created before teardown!'
# send rtsp/tcp reply
self.replyRtsp(200)
# Close the RTP/UDP socket
if flag == 1:
self.rtpScoket.close()
print "ServerWorker TEARDOWN"
# DESCRIBE module
elif self.action == self.DESCRIBE:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.session = receivedRtspData['session']
# change state on server
self.state = self.READY
# stop playEvent
self.playEvent.set()
# send rtsp/tcp reply
self.replyDescribeRtsp(200)
# Added line to prevent ghost sockets
self.rtpScoket.close()
print "ServerWorker DESCRIBE"
def replyDescribeRtsp(self, replyCode):
"""Reply RTSP to client"""
if replyCode == 200:
# create dict
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 200
dictReply['replyAction'] = "OK"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
dictReply['Describe'] = "Describe"
dictReply['stream'] = "Movie"
dictReply['encoding'] = self.fileName.split('.')[1]
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\nStream: " + dictReply['stream'] + " Encoding: " + dictReply['encoding'] +"\n"
def replyRtsp(self, replyCode):
"""Reply RTSP to client"""
if replyCode == 200:
# create dict
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 200
dictReply['replyAction'] = "OK"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\n"
elif replyCode == 404:
# create dict
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 404
dictReply['replyAction'] = "FILE NOT FOUND"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\n"
elif replyCode == 500:
# create dict
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 500
dictReply['replyAction'] = "CONNECTION ERROR"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\n"
"""RTP/UDP module"""
def rtpConnect(self):
"""Send messages over UDP."""
while True:
# wait until current rtp has sent data
self.playEvent.wait(0.05)
# Stop sending if request is PAUSE or TEARDOWN
if self.playEvent.isSet():
break
# RtpPacket arguments
version = 2
padding = 0
extension = 0
cc = 0
seqnum = self.file.frameNbr()
marker = 0
pt = 26
ssrc = 34
payload = self.file.nextFrame()
# if not finished playing
if payload:
# create RtpPacket instance
rtpPacket = RtpPacket()
# encode Rtppacket
rtpPacket.encode(version, padding, extension, cc, seqnum, marker, pt, ssrc, payload)
# getPacket
packet = rtpPacket.getPacket()
# get the RTP/UDP address of client
self.rtpAddress = self.clientInfo['rtspSocket'][1][0]
try:
self.rtpScoket.sendto(packet,(self.rtpAddress, self.rtpPort))
except:
self.rtpError += 1
print "ServerWorker RTP/UDP Sending Error: %d" % self.rtpError
self.replyRtsp(500)
# if finished playing, inform client
else:
self.state = self.INIT
self.finishPlaying(seqnum-1)
break
"""Finish playing function"""
def finishPlaying(self, frameNbr):
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 200
dictReply['replyAction'] = "OK"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
dictReply['finish'] = frameNbr
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\n" + "Finish Playing Frame Number: " + str(dictReply['finish'])
# Task 4 question 1: RTP loss rate
rtpLossRate = self.rtpError*100/float(frameNbr)
print "RTP packet loss rate is: %.3f %%" %(rtpLossRate)
from KeyClipWrite import KeyClipWriter
import cv2
import imutils
import numpy as np
from VideoStream import VideoStream
import datetime
import time
import argparse
vid=VideoStream(0).start()
time.sleep(2.0)
output="AshirTestVid"
fourcc="MJPG"
fps=20
i=0
buffersize=64
kwc=KeyClipWriter(buffersize,1.0)
green1=(29,86,6)
green2=(64,255,255)
ap = argparse.ArgumentParser()
#ap.add_argument("-o", "--output", required=True,
#help="path to output directory")
ap.add_argument("-c", "--codec", type=str, default="MJPG",
help="codec of output video")
args = vars(ap.parse_args())
frame=vid.read()
frame=imutils.resize(frame,width=600)
kwc.update(frame)
while True:
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file name
self.filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process SETUP request
if requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print("processing SETUP\n")
try:
self.clientInfo['videoStream'] = VideoStream(self.filename)
self.state = self.READY
# TODO Get FPS, total time, number of frames of the video to send back to the client
#
#
#
self.clientInfo['videoStream'].calTotalTime()
self.totalTime = self.clientInfo['videoStream'].totalTime
self.fps = self.clientInfo['videoStream'].fps
self.noFrames = self.clientInfo['videoStream'].numFrames
#######################################################
# Find all media files
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[1])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print("processing PLAY\n")
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[1])
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(
target=self.sendRtp)
self.clientInfo['worker'].start()
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print("processing PAUSE\n")
self.state = self.READY
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# TODO: ################################
#
#
# Process FORWARD request
# elif requestType == self.FORWARD:
# if self.state == self.PLAYING:
# print("processing FORWARD\n")
# self.state = self.PLAYING
# self.forward = 1
# self.replyRtsp(self.OK_200, seq[1])
# Process BACKWARD request
# elif requestType == self.BACKWARD:
# if self.state == self.PLAYING:
# print("processing BACKWARD\n")
# self.state = self.PLAYING
# self.backward = 1
# self.replyRtsp(self.OK_200, seq[1])
########################################
# Process DESCRIBE request
elif requestType == self.DESCRIBE:
print("processing DESCRIBE\n")
self.replyRtsp(self.OK_200, seq[1])
########################################
# Process SWITCH request
elif requestType == self.SWITCH:
print("processing SWITCH\n")
# If the state is READY
if self.state == self.READY:
self.clientInfo['videoStream'] = VideoStream(self.filename)
# TODO
# Get FPS, total time, number of frames of the video to send back to the client
#
#
#
self.clientInfo['videoStream'].calTotalTime()
self.totalTime = self.clientInfo['videoStream'].totalTime
self.fps = self.clientInfo['videoStream'].fps
self.noFrames = self.clientInfo['videoStream'].numFrames
#######################################################
# If the state is PLAYING switch to READY first
# Required the user to pause the video to switch
self.replyRtsp(self.OK_200, seq[1])
########################################
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
print("processing TEARDOWN\n")
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
# process stop request
elif requestType == self.STOP:
print("processing STOP\n")
if self.state == self.PLAYING or self.state == self.READY:
self.clientInfo['event'].set()
self.clientInfo['videoStream'].resetFrame()
self.state = self.READY
self.replyRtsp(self.OK_200, seq[1])
import cv2
from imutils.video import VideoStream
import datetime
import argparse
from Stepper import Stepper
# defaults to using the PiCamera
ap = argparse.ArgumentParser()
ap.add_argument("-p",
"--picamera",
type=int,
default=-1,
help="whether the PiCamera being used")
args = vars(ap.parse_args())
vs = VideoStream(usePiCamera=args["picamera"] > 0).start(
) # starts video capture using PiCamera
time.sleep(2.0)
def main(argv):
bright_values = {} # creates an array of the brightest values
count = 0
while True:
if count == 7: # looks for 7 different spots
break
frame = vs.read() # reads the frame from the OpenCV object
frame = imutils.resize(
frame, width=400
) # resizing the frame in case frame was changed previously
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file name
filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process SETUP request
if requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print("processing SETUP\n")
try:
self.clientInfo['videoStream'] = VideoStream(filename)
self.state = self.READY
# set rtpError to 0
self.rtpError = 0
self.frame_Number =0
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[1])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print("processing PLAY\n")
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[1])
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(
target=self.sendRtp)
self.clientInfo['worker'].start()
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print("processing PAUSE\n")
self.state = self.READY
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
print("processing TEARDOWN\n")
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[1])
#print statics
rtpLossRate = self.rtpError*100/float(self.frame_Number)
print("RTP packet loss rate is: %.3f %%" %(rtpLossRate))
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
# Process TEARDOWN request
elif requestType == self.SWITCH:
if not self.state == self.PLAYING:
print("processing SWITCH\n")
self.replyRtsp(self.OK_200, seq[1])
elif requestType == self.CHOOSE:
if not self.state == self.PLAYING:
print("processing CHOOSE\n")
try:
if not self.clientInfo['videoStream'].file.closed:
self.clientInfo['videoStream'].terminate()
self.clientInfo['videoStream'] = VideoStream(filename)
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[1])
elif requestType == self.STOP:
if self.state == self.PLAYING or self.state == self.READY:
print("processing STOP\n")
self.state = self.INIT
self.clientInfo['event'].set()
if not self.clientInfo['videoStream'].file.closed:
self.clientInfo['videoStream'].terminate()
self.replyRtsp(self.OK_200, seq[1])
self.clientInfo['rtpSocket'].close()
elif requestType == self.DESCRIBE:
print("processing DESCRIBE\n")
# create dict
description = {}
description['session'] = self.clientInfo['session']
description['encoding'] = filename.split('.')[1]
reply = 'RTSP/1.0 200 OK\nCSeq: ' + seq[1] + '\nSession: ' + \
str(self.clientInfo['session']) + \
'\n' + json.dumps(description)
self.clientInfo['rtspSocket'][0].send(reply.encode())
def recvRtspRequest(self):
connSocket, (clientAddr, clientPort) = self.clientInfo['rtspSocket']
self.clientAddr = clientAddr
while True:
data = connSocket.recv(1024)
if data:
print "\nData Recieve\n" + data
#get the info from the data
content = data.split("\n")
array_1 = content[0].split(" ")
# requst type: setup, play, pause, teardown
reqType = array_1[0]
# the filename
filename = array_1[1]
# seq number
seq = content[1].split(" ")[1]
if reqType == self.SETUP_REQ:
if self.state == self.INIT:
print "set up the movie"
array_3 = content[2].split(" ")
# get hte rtp port number
self.clientrtpPort = int(array_3[3])
try:
self.clientInfo['videoStream'] = VideoStream(
filename)
except:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq)
self.state = self.READY
self.session = randint(111, 777)
self.replyRtsp(self.OK_200, seq)
elif reqType == self.PLAY_REQ:
if self.state == self.READY:
self.state = self.PLAYING
print "playing the movie"
self.replyRtsp(self.OK_200, seq)
# when get the play movie socket, establish the socket and be ready to send the video data
if self.rtpSocket == None:
self.rtpSocket = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM)
self.rtpSocket.setsockopt(socket.SOL_SOCKET,
socket.SO_SNDBUF, 65535)
# start a even to control the action of playing, pausing and teardown
self.event_trigger = threading.Event()
self.event_trigger.clear()
# start a thread to send the video data
threading.Thread(target=self.sendRtp).start()
elif reqType == self.PAUSE_REQ:
if self.state == self.PLAYING:
print "pause the move"
self.replyRtsp(self.OK_200, seq)
# stop send the video to the client
self.event_trigger.set()
self.state = self.READY
elif reqType == self.TEARDOWN_REQ:
print "close the movie"
self.replyRtsp(self.OK_200, seq)
# stop send the video to the client
self.event_trigger.set()
self.state = self.INIT
import cv2
import imutils
from VideoStream import VideoStream
from MotionClass import Motion
import time
import numpy as np
import datetime
vs1=VideoStream(src=0).start()
vs2=VideoStream(src=1).start()
time.sleep(15.0)
motion1=Motion()
motion2=Motion()
image=cv2.imread("MUNA.jpg")
total=0
while True:
frames=[]
for (stream,motion) in zip((vs1,vs2),(motion1,motion2)):
frame=stream.read()
gray=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)
gray=cv2.GaussianBlur(gray,(21,21),0)
locs=motion.update(gray)
if total>32:
frames.append(frame)
if len(locs)>0:
(max_x,max_y)=(-np.inf,-np.inf)
(min_x,min_y)=(np.inf,np.inf)
for l in locs:
(x,y,w,h)=cv2.boundingBox(l)
(minx,maxx)=(min(min_x,x),max(max_x,x+w))
(miny,maxy)=(min(min_y,y),max(max_y,y+h))
def predict_video(self, source=0, sync=False):
VideoStream(source=source, fbae=self).start()
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
data = data.decode()
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file name
filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process LIST request
if requestType == self.LIST:
fileList = []
for file in os.listdir("./"):
if file.endswith(".mjpeg") or file.endswith(".Mjpeg"):
fileList.append(file)
reply = ""
for file in fileList:
reply += file + ","
self.replyRtsp(self.LIST_OK_200, reply)
# Process SETUP request
if requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print("SETUP Request received\n")
# fileList = []
# ---------------------------------------------------
try:
self.clientInfo['totalFrame'] = self.getFrameNum(filename)
except Exception as e:
print(e)
# ---------------------------------------------------
# for file in os.listdir("./"):
# if file.endswith(".mjpeg") or file.endswith(".Mjpeg"):
# fileList.append(file)
try:
self.clientInfo['videoStream'] = VideoStream(filename)
self.state = self.READY
file = open(filename, "rb")
self.clientInfo["videoWeight"] = str(round(len(file.read()) / 1024))
file.close()
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[0]) # seq[0] the sequenceNum received from Client.py
print("sequenceNum is " + seq[0])
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
print('-' * 60 + "\nrtpPort is :" + self.clientInfo['rtpPort'] + "\n" + '-' * 60)
print("filename is " + filename)
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print('-' * 60 + "\nPLAY Request Received\n" + '-' * 60)
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[0])
print('-' * 60 + "\nSequence Number (" + seq[0] + ")\nReplied to client\n" + '-' * 60)
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker'] = threading.Thread(target=self.sendRtp)
self.clientInfo['worker'].start()
# Process RESUME request
elif self.state == self.PAUSE:
print('-' * 60 + "\nRESUME Request Received\n" + '-' * 60)
self.state = self.PLAYING
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print('-' * 60 + "\nPAUSE Request Received\n" + '-' * 60)
self.state = self.READY
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[0])
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
print('-' * 60 + "\nTEARDOWN Request Received\n" + '-' * 60)
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[0])
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
# Process DESCRIBE request
elif requestType == self.DESCRIBE:
print('-' * 60 + "\nDESCRIBE Request Received\n" + '-' * 60)
self.replyRtsp(self.OK_200, seq[0])
# Process FORWARD request
elif requestType == self.FORWARD:
print('-' * 60 + "\nFORWARD Request Received\n" + '-' * 60)
self.replyRtsp(self.OK_200, seq[0])
self.clientInfo['skipCounter'] += 10
# Process BACKWARD request
elif requestType == self.BACKWARD:
print('-' * 60 + "\nBACKWARD Request Received\n" + '-' * 60)
self.replyRtsp(self.OK_200, seq[0])
self.clientInfo['skipCounter'] -= 10
def processRtspRequest(self, data):
"""Process RTSP request sent from the client."""
# Get the request type
request = data.split('\n')
line1 = request[0].split(' ')
requestType = line1[0]
# Get the media file name
filename = line1[1]
# Get the RTSP sequence number
seq = request[1].split(' ')
# Process SETUP request
if requestType == self.SETUP:
if self.state == self.INIT:
# Update state
print "SETUP Request received\n"
try:
self.clientInfo['videoStream'] = VideoStream(filename)
self.state = self.READY
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# Generate a randomized RTSP session ID
self.clientInfo['session'] = randint(100000, 999999)
# Send RTSP reply
self.replyRtsp(self.OK_200, seq[0]) #seq[0] the sequenceNum received from Client.py
print "sequenceNum is " + seq[0]
# Get the RTP/UDP port from the last line
self.clientInfo['rtpPort'] = request[2].split(' ')[3]
print '-'*60 + "\nrtpPort is :" + self.clientInfo['rtpPort'] + "\n" + '-'*60
print "filename is " + filename
# Process PLAY request
elif requestType == self.PLAY:
if self.state == self.READY:
print '-'*60 + "\nPLAY Request Received\n" + '-'*60
self.state = self.PLAYING
# Create a new socket for RTP/UDP
self.clientInfo["rtpSocket"] = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.replyRtsp(self.OK_200, seq[0])
print '-'*60 + "\nSequence Number ("+ seq[0] + ")\nReplied to client\n" + '-'*60
# Create a new thread and start sending RTP packets
self.clientInfo['event'] = threading.Event()
self.clientInfo['worker']= threading.Thread(target=self.sendRtp)
self.clientInfo['worker'].start()
# Process RESUME request
elif self.state == self.PAUSE:
print '-'*60 + "\nRESUME Request Received\n" + '-'*60
self.state = self.PLAYING
# Process PAUSE request
elif requestType == self.PAUSE:
if self.state == self.PLAYING:
print '-'*60 + "\nPAUSE Request Received\n" + '-'*60
self.state = self.READY
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[0])
# Process TEARDOWN request
elif requestType == self.TEARDOWN:
print '-'*60 + "\nTEARDOWN Request Received\n" + '-'*60
self.clientInfo['event'].set()
self.replyRtsp(self.OK_200, seq[0])
# Close the RTP socket
self.clientInfo['rtpSocket'].close()
class ServerWorker:
SETUP = 'SETUP'
PLAY = 'PLAY'
PAUSE = 'PAUSE'
TEARDOWN = 'TEARDOWN'
INIT = 0
READY = 1
PLAYING = 2
state = INIT
clientInfo = {}
"""Initialization"""
def __init__(self, clientInfo):
self.clientInfo = clientInfo
print "ServerWorker init done\n"
"""Create RTSP thread"""
def run(self):
self.rtspThread = threading.Thread(target=self.receiveRtsp)
self.rtspThread.start()
print "ServerWorker run done\n"
"""RTSP/TCP module"""
def receiveRtsp(self):
"""connect rtsp/tcp socket"""
rtspSocket = self.clientInfo['rtspSocket'][0]
print "ServerWorker RTSP/TCP socket connected\n"
while True:
receivedRtspDataJSON = rtspSocket.recv(256)
if receivedRtspDataJSON:
self.processRtsp(receivedRtspDataJSON)
def processRtsp(self,receivedRtspDataJSON):
"""Handle received RTSP request"""
# json tp dict
receivedRtspData = json.loads(receivedRtspDataJSON)
self.action = receivedRtspData['action']
# SETUP module
if self.action == self.SETUP and self.state == self.INIT:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.transportProtocol = receivedRtspData['transportProtocol']
self.rtpPort = receivedRtspData['rtpPort']
try:
self.file = VideoStream(self.fileName)
# create a session
self.session = randint(0, 65536)
# set frame number to 0
self.frameNbr = 0
# set rtpError to 0
self.rtpError = 0
# change state on server
self.state = self.READY
except IOError:
self.replyRtsp(self.FILE_NOT_FOUND_404, seq[1])
# send rtsp/tcp reply
self.replyRtsp(200)
print "ServerWorker SETUP"
# PLAY module
elif self.action == self.PLAY and self.state == self.READY:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.session = receivedRtspData['session']
# change state on server
self.state = self.PLAYING
# connect RTP/UDP socket
self.rtpScoket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.playEvent = threading.Event()
self.playEvent.clear()
self.rtpThread = threading.Thread(target=self.rtpConnect)
self.rtpThread.start()
# send rtsp/tcp reply
self.replyRtsp(200)
print "ServerWorker PLAY"
# PAUSE module
elif self.action == self.PAUSE and self.state == self.PLAYING:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.session = receivedRtspData['session']
# change state on server
self.state = self.READY
# stop playEvent
self.playEvent.set()
# send rtsp/tcp reply
self.replyRtsp(200)
# Added line to prevent ghost sockets
self.rtpScoket.close()
print "ServerWorker PAUSE"
# TEARDOWN module
elif self.action == self.TEARDOWN:
self.fileName = receivedRtspData['fileName']
self.rtspVersion = receivedRtspData['rtspVersion']
self.CSeq = receivedRtspData['CSeq']
self.session = receivedRtspData['session']
# flag of RTP/UDP socket
flag = 1
try:
# stop playEvent
self.playEvent.set()
except:
flag = 0
print 'Attention! No playback thread was created before teardown!'
# send rtsp/tcp reply
self.replyRtsp(200)
# Close the RTP/UDP socket
if flag == 1:
self.rtpScoket.close()
print "ServerWorker TEARDOWN"
def replyRtsp(self, replyCode):
"""Reply RTSP to client"""
if replyCode == 200:
# create dict
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 200
dictReply['replyAction'] = "OK"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\n"
elif replyCode == 404:
# create dict
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 404
dictReply['replyAction'] = "FILE NOT FOUND"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\n"
elif replyCode == 500:
# create dict
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 500
dictReply['replyAction'] = "CONNECTION ERROR"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\n"
"""RTP/UDP module"""
def rtpConnect(self):
"""Send messages over UDP."""
while True:
# wait until current rtp has sent data
self.playEvent.wait(0.05)
# Stop sending if request is PAUSE or TEARDOWN
if self.playEvent.isSet():
break
# RtpPacket arguments
version = 2
padding = 0
extension = 0
cc = 0
seqnum = self.file.frameNbr()
marker = 0
pt = 26
ssrc = 34
payload = self.file.nextFrame()
# if not finished playing
if payload:
# create RtpPacket instance
rtpPacket = RtpPacket()
# encode Rtppacket
rtpPacket.encode(version, padding, extension, cc, seqnum, marker, pt, ssrc, payload)
# getPacket
packet = rtpPacket.getPacket()
# get the RTP/UDP address of client
self.rtpAddress = self.clientInfo['rtspSocket'][1][0]
try:
self.rtpScoket.sendto(packet,(self.rtpAddress, self.rtpPort))
except:
self.rtpError += 1
print "ServerWorker RTP/UDP Sending Error: %d" % self.rtpError
# if finished playing, inform client
else:
self.state = self.INIT
self.finishPlaying(seqnum-1)
break
"""Terminate thread. Problem with invalid thread id"""
self._async_raise(self.rtpThread.ident, SystemExit)
"""Finish playing function"""
def finishPlaying(self, frameNbr):
dictReply = {}
dictReply['rtspVersion'] = self.rtspVersion
dictReply['replyCode'] = 200
dictReply['replyAction'] = "OK"
dictReply['CSeq'] = self.CSeq
dictReply['session'] = self.session
dictReply['finish'] = frameNbr
# dict to JSON
dictReplyJSON = json.dumps(dictReply)
# connect rtsp/tcp socket
rtspSocket = self.clientInfo['rtspSocket'][0]
# send JSON to clinet
rtspSocket.send(dictReplyJSON)
#print
print dictReply['rtspVersion'] + " " + str(dictReply['replyCode']) + " " + dictReply['replyAction'] + "\nCSeq: " + str(dictReply['CSeq']) + "\nSession: " + str(dictReply['session']) +"\n" + "Finish Playing Frame Number: " + str(dictReply['finish'])
"""Raise exception to terminate thread"""
def _async_raise(self, tid, exctype):
if not inspect.isclass(exctype):
exctype = type(exctype)
res = ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, ctypes.py_object(exctype))
if res == 0:
raise ValueError("invalid thread id")
elif res != 1:
# if it returns a number greater than one, you're in trouble,
# and you should call it again with exc=NULL to revert the effect
ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, None)
raise SystemError("PyThreadState_SetAsyncExc failed")
