To play videos encoded with the AV1 codec, you need to first install the AV1 codec in Windows 10 and activate it. The AV1 codec is open source and was developed by Open Media as a successor to the existing VP9 codec. Like VP9, the AV1 codec was developed for web use as a streaming medium.
Compared with the high profile libvpx-vp9, x264 and main configuration x264, the AV1 codec achieves higher data compression while still retaining the quality. Not only that, unlike HEVC, the AV1 codec is completely royalty-free. This means that creators don’t have to worry about unnecessary patent infringement.
What is Codec 0xc00d5212?
Without AV1 code, the built-in player cannot play AV1 encoded video. You should see “error 0xc00d5212 – This item was encoded in a format that’s not supported” (This item is encoded in an unsupported format).
How To Fix Missing Codec 0xc00d5212 Windows 10
Step 1. Go to Microsoft’s AV1 codec support page and click the Get button.
Step 2. There will be a pop-up message appear, click Open Microsoft Store.
Step 3. In the Microsoft Store app, click the Get button.
As soon as you click the button, store will download the AV1 codec and install it automatically.
Step 4. Now close the Store app and restart Windows.
You have already installed the AV1 codec in Windows 10. To verify if the codec is working properly, download the video with the AV1 codec encoded and try playing it using the Movies & TV app. If the application plays the video, you have successfully installed AV1 codec.
Note: Some third-party media players like VLC do support AV1 codec integration.
How to Uninstall AV1 Codec in Windows 10
If the AV1 codec is causing crashes or performance issues, you can uninstall it quite easily.
Step 1. Open the Settings app on Windows 10 (Windows + I) => then select Apps.
Step 2. In the new window that opens, select the Apps & features tab on the left panel. Then click AV1 Video Extension on the right panel.
Step 3. Click Uninstall.
Step 4. Click Uninstall in the menu that appears again.
Step 5. Finally, close the open window and restart Windows.
As soon as you click the uninstall button, the AV1 codec will be removed from the system. If you want to reinstall it, follow the steps in the instructions above.
So you already know how to fix the missing codec 0xc00d5212 Windows 10 as above, right? Do you have success with the above tips or if you still have any other problems while doing so, don’t forget to share with us in the comments below!