Tag Archives: jpeg

Using an iPhone as a CCTV Security Camera

Most Mac users have an old iPhone or two lying unused in a drawer. One great way to repurpose these devices is to turn them into security cameras – all you need is an app that does a good job of capturing and streaming video from the iPhone’s camera. In this blog post we review a few such apps, which work with our Mac NVR software SecuritySpy. To turn an iPhone into an effective CCTV surveillance camera it should be permanently connected to a power supply, and have access to a good WiFi signal for reliable transmission.


wireless-camera-small1. Wireless Camera

This is a well-designed app that has some nice features, such as control over the camera’s flash LED, a range of resolution options, and the ability to switch between front-facing and rear-facing cameras. It’s very easy to configure and provides good video quality – from 640×480 at 10fps to 1920×1080 at 5fps.

Pros

  • Inexpensive ($1.99)
  • High resolution
  • Reasonably good performance

Cons

  • JPEG only (no H.264 encoding)
  • No audio

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Comparison of Streaming Formats

The latest version of SecuritySpy supports new streaming formats which significantly enhance compatibility with new and existing network cameras. The following information about these formats will be useful when making purchasing decisions and setting up video surveillance systems based upon SecuritySpy.

Network Streaming Protocols
There are two main protocols used for carrying video and audio data over IP networks: HTTP and RTSP. Using these protocols, it is possible to transmit video and audio in various compression formats (JPEG, MPEG-4, H.264, AAC etc.).

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