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How to stream video games with Open Broadcaster

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Video streaming apps are often expensive, not very good, or both expensive and not very good. Enter Open Broadcaster Software, a free, open-source solution which is super lightweight, includes many of the same options as software you can buy, and so far works beautifully for streaming games on Twitch.tv.

 

1. Get Open Broadcaster Software

You can download Open Broadcaster for free here.

2. Set up your broadcast

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If you don’t have one, make a Twitch.tv account (unless you prefer a different service for some reason). In Open Broadcaster, enter the Settings menu and navigate to Broadcast Settings. Select “TwitchTV/JustinTV” as your streaming service.

Now head to your Twitch.tv dashboard and click the Streaming Apps link in the upper right. Hit “Show Key” and copy your unique stream key into Open Broadcaster’s “Play Path/Stream Key” field. That’s all you need to do here, unless you want to select hotkeys or set up local recording.

3. Adjust your encoding settings

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You’ll probably have to play with your stream’s quality to find the right balance for your system and bandwidth. The default settings, however, are pretty ugly. To fix that, start with the Encoding section of Open Broadcaster’s menu: for me, things are looking pretty good with the quality balance set to 10, and both the max bitrate and buffer size at 3200, but go higher if you can.

4. Set your video options

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You probably want a 16×9 resolution, as it’ll look best in Twitch’s player—I’ve gone with good ‘ol 1920×1080. You can also change the max framerate, which defaults to 30.

5. Set up the source and scene

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Run the game you want to capture and Alt-Tab out to Open Broadcaster. From the main window, hit Global Sources > Add > Add Game Capture and select the game you’re running. Back out of there and right-click inside the empty Scenes list to add a new scene. With the new scene selected, right-click in the empty Sources list and add the Global Source you just set up.

That’s it! You can now preview the stream or start broadcasting, but you won’t see anything if the game is minimized, so if you don’t have multiple monitors, you may want to run it windowed for initial testing. Even better, have a friend watch the stream remotely and give you feedback. Then, make thousands more friends and have them watch it, and you’re a livestreaming celebrity. Well done!

6. Thank an open source developer

Streaming software has caused me a lot of headaches. “I just want something that doesn’t take two minutes to open and hog all my resources,” I cried. “Just give me something simple; something that works!” Open Broadcaster fills that void for free, and should only get better with updates and plugins.

We say to Open Broadcaster’s creators and supporters: THANK YOU!

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