This is a module, which checks the state of a specified Media Stream. Media Stream Tester is a small application for testing StreamChecker functionality. Media Stream Tester is completely ready to use. If you want a simple instrument for checking Media Streams, then Media Stream Tester is exactly what you need. If you need to get information about Media Stream and carry out a custom processing, then you can use the StreamChecker class in your application. Media Stream source code will serve a good example of how to use the StreamChecker class, and this article will allow you to understand how this class works.