using_videodir.py 文件源码

def __init__(self,vurl,id):
        print vurl
        self.vurl=vurl
        self.id=id
        self.vcap=cv2.VideoCapture(vurl)
        self.fps=self.vcap.get(cv.CV_CAP_PROP_FPS)
        self.begin=time.time()
        self.last=self.begin
        self.image=None
        self.ctime=time.time()
        self.beginpos=0
        self.endpos=MAXFRAMES
        pos=int(v.get(cv.CV_CAP_PROP_POS_FRAMES))
        ret,image=self.vcap.read()
        if ret:
            self.image=image.copy()
            self.localshuffler=LocalShuffler(16,self.image.shape)
            for i in range(16):
                pos=int(v.get(cv.CV_CAP_PROP_POS_FRAMES))
                ret,image=self.vcap.read()
                assert ret
                self.localshuffler.feed(image,0,pos)

            thread.start_new_thread(self.backend,())
            print 'ok'
        else:
            print 'skip: '+self.vurl