jetson_gstreamer_rtsp_decoding.py

import cv2

def VideoCapture(uri, width, height, latency):
    gst_str = ('rtspsrc location={} latency={} ! '
               'rtph264depay ! h264parse ! omxh264dec ! '
               'nvvidconv ! '
               'video/x-raw, width=(int){}, height=(int){}, '
               'format=(string)BGRx ! '
               'videoconvert ! appsink').format(uri, latency, width, height)
    return cv2.VideoCapture(gst_str, cv2.CAP_GSTREAMER)

cap = VideoCapture("rtsp://admin:@192.168.0.178", 1920, 1080, 200)

while True:
    success, frame = cap.read()
    if not success: break
    
    cv2.imshow("frame", frame)
    if cv2.waitKey(1) == ord('q'): break