cap.set(cv2.CAP_PROP_POS_MSEC, (1000*extract_time_points[count])) success,image = cap.read() if success: if not isColor: image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) ##转化为黑白图片 print('Write a new frame: {}, {}th'.format(success, count+1)) cv2.imwrite(os.path.join(...
fn = cap.get(cv2.CAP_PROP_POS_FRAMES) ts = cap.get(cv2.CAP_PROP_POS_MSEC) if hasFrames: print(f"Frame Number is ", {int(fn)}, "Time stamp is", {float(ts)}) return hasFrames ts = cap.get(cv2.CAP_PROP_POS_MSEC) print(f'Time stamp is ', ts) success = getFrame(ts) wh...
set(cv2.CAP_PROP_POS_MSEC,(count*1000)) success,image = vidcap.read() print ('Read a new frame: ', success) cv2.imwrite("/dbfs" + tgt + vidName + "frame%04d.jpg" % count, image) # save frame as JPEG file count = count + 1 print ('Wrote a new frame') ...
get(block=True) if total_ms == -1: tbar.update(tbar.total - tbar.n) break tbar.update(round(total_ms - tbar.n)) cap.set(cv2.CAP_PROP_POS_MSEC, total_ms) ret, frame = cap.read() if ret: if subtitle_area is not None: frame = frame_preprocess(subtitle_area, frame) if ...
15 map<int, pair<int, string>> capProps = 16 { 17 make_pair(0, StrPairVal(CAP_PROP_POS_MSEC)), 18 make_pair(1, StrPairVal(CAP_PROP_POS_FRAMES)), 19 make_pair(2, StrPairVal(CAP_PROP_FRAME_COUNT)), 20 make_pair(3, StrPairVal(CAP_PROP_POS_AVI_RATIO)), ...
get(cv2.CAP_PROP_FRAME_COUNT) frame_time = 0 frame_count = 0 # loop over the frames of the video while True: vs.set(cv2.CAP_PROP_POS_MSEC, frame_time * 1000) # move frame to a timestamp frame_time += 1/FRAME_RATE (_, frame) = vs.read() # if the frame is None, then ...