python3+cv2+andiord安卓摄像头

Posted 2021-01-08 Alex_zhuang

#coding=utf-8
import cv2 
import time

if __name__ == ‘__main__‘:

    cv2.namedWindow("camera",1)
    #开启ip摄像头
    video="http://192.168.31.49:8080/video"
    capture =cv2.VideoCapture(video)

    num = 0
    while True:
        success,img = capture.read()
        cv2.imshow("camera",img)

    #按键处理，注意，焦点应当在摄像头窗口，不是在终端命令行窗口
        key = cv2.waitKey(10) 

        if key == 27:
        #esc键退出
            print("esc break...")
            break
        if key == ord(‘ ‘):
             #保存一张图像
            num = num+1
            filename = "frames_%s.jpg" % num
            cv2.imwrite(filename,img)


    capture.release()
    cv2.destroyWindow("camera")





注意红色字体处，

这里是IP摄像头的服务地址列表：

• http://192.168.31.49:8080/video 是 MJPEG URL.
• http://192.168.31.49:8080/shot.jpg 获取最新一帧
• http://192.168.31.49:8080/audio.wav 是WAV格式的音频流
• http://192.168.31.49:8080/audio.aac 是AAC格式的音频流（如果硬件支持的话）
• http://192.168.31.49:8080/audio.opus 是Opus格式的音频流
• http://192.168.31.49:8080/focus 对焦摄像头
• http://192.168.31.49:8080/nofocus 释放对焦