camera_cv.py 文件源码

def _thread(cls):
        # frame grabber loop
        while cfg.camera_active:
            sbuffer = StringIO.StringIO()
            camtest = False
            while camtest == False:
                camtest, rawimg = cfg.camera.read()
            if cfg.cv_hflip:
                rawimg = cv2.flip(rawimg, 1)
            if cfg.cv_vflip:
                rawimg = cv2.flip(rawimg, 0)
            imgRGB=cv2.cvtColor(rawimg, cv2.COLOR_BGR2RGB)
            img = Image.fromarray(imgRGB)
            img.save(sbuffer, 'JPEG')
            cls.frame = sbuffer.getvalue()
            # if there hasn't been any clients asking for frames in
            # the last 10 seconds stop the thread
            if time.time() - cls.last_access > 10:
                break