ip-camera

How to parse mjpeg http stream from ip camera?

import cv2 import urllib import numpy as np stream = urllib.urlopen(‘http://localhost:8080/frame.mjpg’) bytes=”” while True: bytes += stream.read(1024) a = bytes.find(‘\xff\xd8’) b = bytes.find(‘\xff\xd9’) if a != -1 and b != -1: jpg = bytes[a:b+2] bytes = bytes[b+2:] i = cv2.imdecode(np.fromstring(jpg, dtype=np.uint8), cv2.CV_LOAD_IMAGE_COLOR) cv2.imshow(‘i’, i) if cv2.waitKey(1) == 27: exit(0) edit (explanation) I just saw that … Read more

Access IP Camera in Python OpenCV

An IP camera can be accessed in opencv by providing the streaming URL of the camera in the constructor of cv2.VideoCapture. Usually, RTSP or HTTP protocol is used by the camera to stream video. An example of IP camera streaming URL is as follows: rtsp://192.168.1.64/1 It can be opened with OpenCV like this: capture = … Read more

Android ICS and MJPEG using AsyncTask

nice work! For your problem with onResume(), isn’t it enough when you move the following code from onCreate() to onResume()? //sample public cam String URL = “http://trackfield.webcam.oregonstate.edu/axis-cgi/mjpg/video.cgi?resolution=800×600&amp%3bdummy=1333689998337”; mv = new MjpegView(this); setContentView(mv); new DoRead().execute(URL); Then you simply recreate the View and new instance of the AsyncTask… I tried it and it works for me…

Android and MJPEG

I found this code over the internet some time ago, maybe it will be of some help to you. MjpegSample Class package de.mjpegsample; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.view.Window; import android.view.WindowManager; import de.mjpegsample.MjpegView.MjpegInputStream; import de.mjpegsample.MjpegView.MjpegView; public class MjpegSample extends Activity { private MjpegView mv; private static final int MENU_QUIT = 1; … Read more