Instructions
Download and install PS3 Media Server onto your Mac. PS3 Media Server is a freeware application designed for Windows, Mac and Linux computers. Download the .DMG installation file from the PS3 Media Server website and install the program onto your computer. Select the "Add File" option from the main program window and add the audio and video files that you want to stream to your PlayStation 3.
Use VideoLAN's VLC Media Player for Mac. VLC Media Player is another freeware solution to streaming content from your Mac to your PS3. Click the button on the VideoLAN website that corresponds to your type of Mac computer to download the appropriately formatted file. Click "File" and "Stream" from the main menu to stream content to your PlayStation 3. VLC Media Player can stream only one program at a time.
Download and install Rivet for Mac. Rivet is specifically designed to stream content from your Mac computer to a PlayStation 3, but the program also supports other consoles and devices like the Xbox 360. Rivet allows you to stream many different files simultaneously, allowing you to create a playlist of files on your computer and access them anytime in any order on your PlayStation 3 game console. Click the tab that represents the type of file you want to share (example: "Movies" or "Music") and select the "Add" button to add media to the Rivet program. Select the "General" tab and the "Share" options (example: "Share Movies" or "Share Music") to stream the files to your PlayStation 3.