out = None
if record:
fourcc = cv2.VideoWriter_fourcc(*'MPEG')
timestr = time.strftime("%Y%m%d-%H%M%S")
out = cv2.VideoWriter('output-' + timestr + '.mp4', fourcc, 30.0,
(int(procWidth), int(procHeight)))
#output_side_length = int(1920/zoomImage)
#height_offset = int((height - output_side_length) / 2)
#width_offset = int((width - output_side_length) / 2)
while True:
#frame = cap.read()
#if True:
if webcam or cap.grab():
if webcam:
frame = cap.read()
else:
flag, frame = cap.retrieve()
if not flag:
continue
else:
frameCnt = frameCnt + 1
nowMicro = getCurrentClock()
delta = (nowMicro - prevTime).total_seconds()
#print("%f " % (delta))
if delta >= 1.0:
print("FPS = %0.4f" % ((frameCnt - prevFrameCnt) / delta))
prevTime = nowMicro
prevFrameCnt = frameCnt
