windows下python opencv ffmpeg读取摄像头实现rtsp推流 拉流

import cv2 import time import subprocess as sp #此处换为你自己的地址 rtsp_url = 'rtsp://127.0.0.1:8554/video' cap = cv2.VideoCapture("1.mp4") # Get video information fps = int(cap.get(cv2.CAP_PROP_FPS)) width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)) height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)) command = ['ffmpeg', '-y', '-f', 'rawvideo', '-pix_fmt', 'bgr24', '-s', "{}x{}".format(width, height), '-r', str(fps), '-i', '-', '-c:v', 'libx264', '-tune', 'zerolatency',#零延迟 '-pix_fmt', 'yuv420p', '-preset', 'ultrafast', '-f', 'rtsp', rtsp_url] p = sp.Popen(command, stdin=sp.PIPE) # while (cap.isOpened()): # ret, frame = cap.read() # if not ret: # print("Opening camera is failed") # break # # frame = 你的图像处理的函数(frame) # p.stdin.write(frame.tostring()) while True: # 将读取位置设置为第一帧 cap.set(cv2.CAP_PROP_POS_FRAMES, 0) while cap.isOpened(): ret, frame = cap.read() if not ret: break # 发送帧到FFmpeg进程 p.stdin.write(frame.tostring()) # 控制帧率 time.sleep(1 / fps)