def watcher(dev, qin, qout):
running = True
cap = cv2.VideoCapture(dev)
cap.set(3, 640)
cap.set(4, 480)
cap.set(5, 5.0)
while True:
ret, frame = cap.read(dev)
running_average_in_display = frame
avg = np.float32(frame)
while ret:
frame_copy = frame.copy()
trackedImg, x, y = runavg.track(frame_copy,running_average_in_display, avg)
print "thread " + str(dev) + " " + str(x) + ", " + str(y)
ret, frame = cap.read(dev)
# if x < 50:
# qout.put("left")
# elif x > 590:
# qout.put("right")
# if not qin.empty():
# signal = qin.get()
# print str(signal)
# if signal == 0: # 0 tells the camera to stop
# cv2.destroyWindow(str(dev))
# return
cv2.imshow(str(dev), frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
running = False
cv2.destroyWindow(str(dev))
return
#break
# if not running:
# print "not running"
# return
# #break
return
#previous_y = 0 while(myCamera0.isOn() or myCamera1.isOn() or myCamera2.isOn() ): if(myCamera0.isOn()): got_frame0, frame0 = myCamera0.getFrame() running_average_in_display = frame0 avg = np.float32(frame0) while got_frame0: frame_copy = frame0.copy() #cv2.rectangle(frame_copy, (128, 0), (512, 480), (0,0,0), -1) previous_x = x masked_img, x, y = ra.track(frame_copy,running_average_in_display, avg) #print "x = %d prevx = %d", x, previous_x cv2.imshow( winName[0], frame0 ) got_frame0, frame0 = myCamera0.getFrame() delta_x = x - previous_x if((x > 0) and (50 > x) ): #and (delta_x < 0) myCamera1.on() myCamera0.off() #print "turn camera 1" if((x > 590) and (640 > x) ): #and (delta_x > 0) myCamera2.on() myCamera0.off() #print "turn camera 2"
def watcher(dev, qin, qout):
running = True
recording = False
waitTime = 100
margin = 50
startTime = 0 # initialize the startTime
path = ('output_thread' + str(dev) + '.avi')
#cv2.namedWindow(str(dev), cv2.WINDOW_NORMAL) # this breaks the threading for some reason
cap = cv2.VideoCapture(dev)
cap.set(3, 640)
cap.set(4, 480)
cap.set(5, 5.0)
# initialize these variables so they exist
ret, frame = cap.read(dev)
running_average_in_display = frame
avg = np.float32(frame)
cap.release()
fourcc = cv2.cv.CV_FOURCC(*'DIV3')
video_writer = cv2.VideoWriter(path,fourcc, 5.0, (640,480))
while True:
# ret, frame = cap.read(dev)
# running_average_in_display = frame
# avg = np.float32(frame)
if not qin.empty():
signal = qin.get()
print "thread " + str(dev) + ": recieved signal from Main " + str(signal)
if signal == 1:
recording = True
startTime = time.time() # startTime
#print "cap " + str(cap)
cap.open(dev)
#print cap.isOpened()
ret, frame = cap.read(dev)
#print frame
running_average_in_display = frame
avg = np.float32(frame)
#print "recording " + str(recording)
#print "ret " + str(ret)
while ret and recording: #this used to be (while ret)
ret, frame = cap.read(dev)
#print "Frame: " + str(frame)
frame_copy = frame.copy()
# running_average_in_display = frame
# avg = np.float32(frame)
trackedImg, x, y = runavg.track(frame_copy,running_average_in_display, avg)
#print "x " + str(x)
if x != 0:
#print "updating"
startTime = time.time() # update the timestamp if the tracker sees movement
if x < margin:
qout.put([dev, 3]) # signal main that you saw something on the left
# should probably consider the case when something is moving a lot in
# this part of screen and it keeps sending signals to main.
elapsedTime = time.time() - startTime
#print "thread " + str(dev) + ": " + str(elapsedTime)
# Write a frame of video because not enough time has
# elapsed since motion was last tracked
if elapsedTime < waitTime:
# flip frame before displaying so it looks more intuitive
flippedimg = cv2.flip(frame, 1)
cv2.imshow(str(dev), flippedimg)
video_writer.write(frame) # This works, just slows everything down
# No motion detected in waitTime time. Stop the Camera.
else:
print "thread " + str(dev) + ": stop recording"
cap.release()
recording = False
# Detect any signals from the main thread
if not qin.empty():
signal = qin.get()
print "thread " + str(dev) + ": recieved signal from Main " + str(signal)
if signal == 0: # The main thread wants this camera to stop recording
cap.release()
recording = False # what happens if you pull a different signal from main? gets dropped now.
# else:
# qin.put(signal) # put the signal back if it wasn't a
# stop signal so we can deal with it later.
# Detect the keypress to turn off the camera. The waitKey() command is required by
# opencv to show images to the screen. It might not be needed if I dont want
# to view the video real time, and may not be needed in a final implementation.
if cv2.waitKey(1) & 0xFF == ord('q'):
running = False
cap.release()
recording = False
if cv2.waitKey(1) & 0xFF == ord('q'): # keyboard escape from outer while loop
cv2.destroyWindow(str(dev))
cap.release()
video_writer.release()
return
if not running:
cv2.destroyWindow(str(dev))
cap.release()
video_writer.release()
return