Testing 2 webcams for stereo vision

test_webcam.py

import cv2, numpy

webcamL_index = 1
webcamR_index = 0
webcam_h = 640
webcam_v = 480
viewport_size = (1920, 1080)

webcamL = cv2.VideoCapture(webcamL_index)
webcamL.set(3, webcam_h)
webcamL.set(4, webcam_v)
webcamR = cv2.VideoCapture(webcamR_index)
webcamR.set(3, webcam_h)
webcamR.set(4, webcam_v)

WINDOW_NAME = "Preview"
cv2.namedWindow(WINDOW_NAME, cv2.cv.CV_WINDOW_NORMAL | cv2.cv.CV_WINDOW_AUTOSIZE)
cv2.setWindowProperty(WINDOW_NAME, cv2.WND_PROP_FULLSCREEN, cv2.cv.CV_WINDOW_FULLSCREEN)

if not webcamL.isOpened() or not webcamR.isOpened():
	exit(1)

frame = numpy.zeros((webcam_v, webcam_h*2, 3), dtype=numpy.uint8)
while cv2.waitKey(1) == -1:
	resultR, frameR = webcamR.read()
	resultL, frameL = webcamL.read()
	frame[:webcam_v, :webcam_h] = frameL
	frame[:webcam_v, webcam_h:webcam_h*2] = frameR
	viewport = cv2.resize(frame, viewport_size)
	cv2.imshow(WINDOW_NAME, viewport)