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The stream works perfectly well in VLC, but OpenCVs cvQueryFrame() seems to jumble and corrupt.

VideoCapture cap = new VideoCapture(RTSP_URL, Videoio. Im trying to capture images from an IP camera in real time. Setenv("OPENCV_FFMPEG_CAPTURE_OPTIONS", "rtsp_transport udp", 1) _putenv_s("OPENCV_FFMPEG_CAPTURE_OPTIONS", "rtsp_transport udp") import cv2Ĭap = cv2.VideoCapture(RTSP_URL, cv2.CAP_FFMPEG) Reolink E1 Pro camera has been used for testing. A window can be closed by pressing the ESC key (represented as ASCII code 27). RTSP URL usually consists of username, password, IP address of the camera, port number (554 is the default RTSP port number), stream name.Ĭaptured frames displayed in the window using imshow function.

Many manufacturers provide RTSP URL on their website or user manual. Since RTSP URL is not standardized, different IP camera manufacturers might use different RTSP URLs. To capture RTSP stream from IP camera, we need to specify RTSP URL as argument. OpenCV provides VideoCapture class which allows capturing video from video files, image sequences, webcams, IP cameras, etc. This tutorial provides example how to capture RTSP stream from IP camera using OpenCV and Python. Most of the IP cameras supports Real Time Streaming Protocol (RTSP) to control audio and video streaming.