OBS Studio 108 – Optimizing Video Sources (Media Source) w/ WebM – OBS Codec Tutorial (WebM BRO)

I’ve talked in previous source-focused episodes
about the ability to use a Video Source or VLC Video Source in your streams. But how does that perform? What kinds of video files should you be using? Can you optimize this to make your stream
setup more lightweight? Let’s briefly discuss this here. The Elgato Cam Link takes your mirrorless,
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from your camera straight to your stream with this little device right here. Buy one via the link in the video description. I’m EposVox, here to make tech easier and
more fun, and welcome back to my OBS Studio tutorial course. I have many, many more videos on the software
in the playlist linked in the description. Check that before asking questions, and check
the introduction video to learn how this course works, if you get confused. While, depending on your system specs and
such, most video files will work just fine as media sources within OBS Studio, you can
make your life easier by converting your sources to lighter formats to make OBS do less work. You only really need to do this for regularly-used
source files for animation overlays, stinger transitions, and so on – just a one-off gameplay
clip probably doesn’t need to be converted before being added to OBS. For ease of use within OBS Studio, I actually
recommend using the WEBM video format. This is an open source media file format designed
for the web, and will let you convert your graphics, intros, or video clips to small
compressed video files that are easy to keep together within a “Stream Resources” folder
and play back smoothly in OBS Studio without worrying about performance. Unfortunately most proprietary production
tools don’t get along with web formats like this. There is a WebM plugin for Adobe Premiere
Pro for Mac and Windows that you can install and use, though last time I tried it rendering
performance wasn’t great. It is an option if you wish to stick with
Premiere, however. Just run the MSI installer with your Adobe
Apps close, potentially reboot, then choose WebM from your output settings and set up
a preset. Alpha channel is even supported so you can
make overlay graphics, which is important if you’re making graphics from scratch. This works from version CS6 and up. If you’re using another video program, you
will have to render to an intermediate video format and convert from there. Alternatively, you could break out the command
line for FFMPEG and convert manually that way…. But for the lazy of us, myself included, there
is WebMBRO – an open source GUI front-end for FFMPEG available free on GitHub specifically
for the purpose of converting clips to WebM. Go to the GitHub project page, click on the
“Releases” section and download the “WebMConverter.zip” file. Extract the files with your favorite archive
manager such as 7-zip, and close the file. Find the files you just extracted and run
the “WebMConverter.exe”. Here you can choose a source file to convert
and where you want the converted file to go. You can leave everything alone, or you can
customize things such as the title, resolution, bitrate, manually set a size limit, and so
on. When you’re ready, hit “Convert” and
let it do its thing. Once done, you have a .WebM file ready to
go to use in OBS Studio as a media source. I recommend doing this for most things you
use – green screened overlay clips, alpha channel lower-thirds and other video-based
graphics, stinger transitions, and so on. This will make your stream more efficient
and keep your resources lightweight. And that’s it! WebM is a great format and I hope to see it
get more support as time goes by. I hope this episode of my OBS Studio tutorial
course has been helpful for you. If it was, drop-kick that like button and
subscribe for awesome tech videos. If you like game streaming, come follow me
on Twitch and drop a message in chat. Until next time, I’m EposVox, Happy Streaming! Thanks for watching this episode of my OBS
Studio tutorial course. More videos like this and a full master class
are linked in the playlist in the video description. Click to learn more. Also consider joining us on Patreon to help
keep tech education free. Go to Patreon.com/eposvox to sign up.

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