After reading this you realize it is quite simple! MJPEG over http is really an http multi part response where each part is an image. It is called a MJPEG (Motion JPEG) stream. For a video of 640 * 480 at 30 fps (my max rate ) we would use the url The only problem is, in which format do we get our response? Well after a bit of research and monitoring with fiddler I came to the conclusion that a lot of IP Camera’s use the same format. As you can see there are also parameters for resolution and the rate in which the camera sends us back images. This tells me that there is a way to do one http request and get an imagestream back! This is really what we want.
#Java ip camera viewer pdf
So browsing a little further in our developer pdf I came across the following api. The disadvantage is that we have to send and receive a lot of http requests and those will cause a lot of overhead. This method is really simple and it allows the client application to control the refresh rate. We could use this url to read images in a loop and display them to the user. With this information we can basically create a video stream. This means that when I browse to that url with an IP Camera in my network my browser will show me an image. This pdf tells me the different url’s and parameters to make a camera pan, and it tells me that the url to capture an snapshot is something like with optional parameters for an usename and password.
#Java ip camera viewer how to
I believe that the http api’s may differ per brand, but once you know how to get an image stream, they mostly work the same.Īfter a bit of searching on the internet, I came across the following foscam developer pdf. The camera I bought is a FOSCAM I8910W, although the brand is not that important. These are really cool camera’s, because they can be connected to an TCP/IP network and usually provide an http api to control the camera en read images from it.
A little while ago I ran out of new gadgets, so I decided to buy an IP Camera. I think every geek will recognize this somewhat. Hello again! It is time for another blog post! This time I am not going to blog about something that I have learned on the job (although I did learn a lot that I could use doing my job), instead I am going to blog about a little hobby project I did.
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