Sourcecodes - Webcam mit OpenCV abfragen

Code:

from opencv.cv import *
from opencv.highgui import *
import time

MPEG1VIDEO = 0x314D4950

cvNamedWindow("Video")
cvWaitKey (0)

cam = cvCreateCameraCapture(0)

img = None

x = 800
y = 600
fps = 30
cvSetCaptureProperty(cam, CV_CAP_PROP_FRAME_WIDTH, x)
cvSetCaptureProperty(cam, CV_CAP_PROP_FRAME_HEIGHT, y)

print fps

#writer = cvCreateVideoWriter('video.mpeg', MPEG1VIDEO, 20, cvSize(x,y))

#for n in range(0, 100):
while(True):
        img = cvQueryFrame(cam)

        if(False == img):
                print "Could not grab a frame\n\7"
                exit(0)

        cvShowImage("Video", img)
        key = cvWaitKey(int(1000/fps))

        #for n in range(0, 5):
        #       cvWriteFrame(writer, img)

        cvSaveImage ("test.jpg", img)

#cvReleaseVideoWriter(writer)
cvReleaseCapture(cam)