import cv
import time

cv.NamedWindow("camera", 1)

capture = cv.CaptureFromCAM(0)
cv.SetCaptureProperty(capture, cv.CV_CAP_PROP_FRAME_WIDTH, 640)
cv.SetCaptureProperty(capture, cv.CV_CAP_PROP_FRAME_HEIGHT, 480)
cv.SetCaptureProperty(capture, cv.CV_CAP_PROP_FORMAT, cv.IPL_DEPTH_32F)

print "Starting. Space = save, Esc = quit"
print "initializing timer"
elapsedtime = time.clock()
while True:
    img = cv.QueryFrame(capture)
    cv.ShowImage("camera", img)

    if ((time.clock() - elapsedtime) > 5):
        t = time.localtime()
        filename = "%s-%s-%s_%s-%s-%s" % (t.tm_mon, t.tm_mday, t.tm_year, t.tm_hour, t.tm_min, t.tm_sec)
        cv.SaveImage("C:\\Users\\Chris\\Dropbox\\Security\\" + filename + ".jpg", img)
        print ("saved " + filename + ".jpg")
        print "resetting timer"
        elapsedtime = time.clock()

    if cv.WaitKey(10) == 27:
        print "exiting"
        break