You can stream Video from your PC/Mac directly to your TV simply using Google Chromecast and a chrome extenstion called VideoStream for Chromecast. Its free for basic usage and you can buy it for advance functions. Its quite easy to use, just install the extension on chrome browser. Under App section you will see this App click on it and you will get a option to select a file to play:
You can then wait for few seconds to get a option to select the chrome cast to sync the player with it. Once selected you can see the movie playing directly on your TV and you can control the movie playing from this App.