Just to confirm: the issue with cv2.CAP_PROP_POS_MSEC and cv2.CAP_PROP_POS_FRAMES is that it may not actually seek the first frame and may set the start pointer to some other frame? Would it be sufficient, in our implementation, to remove the lines where this value is set? Author ...
尝试输入以下内容: post_frame= cap.get(1)#CAP_PROP_POS_FRAMES = 1 如果您在 Python shell 中键入help('cv2'),您会发现语法有一些修改。 output truncated ... CAP_PROP_PAN=33CAP_PROP_POS_AVI_RATIO=2CAP_PROP_POS_FRAMES=1CAP_PROP_POS_MSEC=0CAP_PROP_PVAPI_BINNINGX=304CAP_PROP_PVAPI_BINNING...
.get(cv2.CAP_PROP_FPS)) # returns 30 total_frames = int(video_capture.get(cv2.CAP_PROP_FRAME_COUNT)) print(total_frames) # returns 21784 print(video_capture.set(cv2.CAP_PROP_POS_AVI_RATIO, 1)) # returns True _ = video_capture.read() time_msec = video_capture.get(cv2.CAP_PROP_...
cv::VideoCapturecap("video.mp4");// 打开视频文件intframeWidth =cap.get(CV_CAP_PROP_FRAME_WIDTH);// 获取视频帧的宽度 在上述代码中,cap.get(CV_CAP_PROP_FRAME_WIDTH)将返回视频帧的宽度值。 enumVideoCaptureProperties {CAP_PROP_POS_MSEC=0,//!< Current position of the video file in millisecon...
line 215, in main status = self.run(options, args) File “/Library/Python/2.7/site-packag...
# 需要導入模塊: import cv2 [as 別名]# 或者: from cv2 importCAP_PROP_POS_MSEC[as 別名]def_read_frame_func(self):ret, frame = self.video_capture.read()ifnotret:raiseEOFError()ifself.frame_skip_rt: systime_msec = self.get_tick() ...
(CAP_PROP_POS_FRAMES,503); // goto Frame 503 fprintf(0,"current frame: %f\n",cap.get(CAP_PROP_POS_FRAMES); // returns 503 cap.read(rgb_frame); // returns Frame 500 The behavior is consistent with both CAP_PROP_POS_FRAMES and CAP_PROP_POS_MSEC properties. For the video file ...