September 16, 2015

Processing RTSP pull streams from IP cameras per request

Today, surveillance cameras are common for security and monitoring. E.g., they are used to ensure the safety of educational institutions: kindergartens, schools, kid's clubs. Many people use cameras to track the progress of construction projects, and to protect the perimeter of protected objects. Often cameras are put in suburban homes, connecting them to the Internet.

Parents, executives of construction companies and owners of country houses should be able to view the video streams from cameras on their mobile devices at any time.

Nimble Streamer allows doing it via transmuxing RTSP stream from the camera to HLS for further viewing on any mobile device. Using of Nimble Streamer helps to reduce load on network channels between cameras and media server, and also helps to protect video streams from unauthorized viewing.

Next we are going to show how to configure that. 

We assume that you already have RTSP stream from your camera, which is available via public IP address. Also we assume that you have already installed Nimble Streamer.

Log in to WMSPanel. Go to "Nimble Streamer" -> "Live streams settings". In the "Global" tab check the checkbox for HLS and then click the "Save" button.

Go to "Live pull settings" tab and click the "Add RTSP URL" button.

Specify your camera stream URL in the appeared dialog. Specify the "Output application" and "Output stream" for outgoing stream. These names will be used to create outgoing stream URL. Set the "Idle time" parameter: if the viewer has stopped watching, the stream will be pulled for this period of time. This configuration can significantly save the bandwidth if your streams are rarely used, read this article for more detailed description. Don't forget to click on the "Save" button.

You can setup receiving of any RTSP streams by checking the "Dynamic stream name" and specifying only application name in the Primary URL (i.e. rtsp:// In this case, any stream belonging to the specified application (e.g., live_cameras) is pulled from a source and is processed as described above. This allows you to specify the entire set of possible streams, which greatly simplifies the configuration.

Go to "Nimble Streamer" -> "Live streams" -> "Outgoing streams". On this page you can see your outgoing HLS stream. Click on the question mark sign.

You can view the contents of your stream. If you click on the "Show player's code" link, then you get the code snippet to paste on your website.

Then you can paste this code snippet. In case of using JWPlayer, the YOUR_JWPLAYER_SOURCE_PATH parameter from this code snippet should be replaced by your JWPlayer account's "Player library URL".
You can paste your stream URL in system player (e.g. VLC) in your mobile device.

In addition to transmuxing RTSP to HLS you can also secure your streams by setting up hotlinking protection

Related documentation 

Live Streaming features in NimbleLive Transcoder for Nimble StreamerRTSP feature setHot-linking protection for Nimble StreamerProcessing RTMP and RTSP pull streams per request,

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