WebM video not showing/playing in Godot 4.4 (Windows 10/11)

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Godot Version

Replace this line with your Godot version
Godot_v4.4.1-stable_win64

Question

Hello,

I’m encountering a persistent issue with WebM video playback in Godot Engine 4.4 on Windows 11.

Problem Description:
I have a WebM video file named scene01.webm.
This file plays perfectly fine in VLC Media Player (both video and audio are clear).
However, when I try to use it in Godot, the file does not appear in the FileSystem dock at all.

Steps I’ve taken:

  1. File Placement: I confirmed the exact Godot project root folder using “Open in File Manager” from the Godot Project Manager. I then manually copied scene01.webm directly into the res://videos/ folder within my project (e.g., D:/game/gugu's makalong /videos/scene01.webm). I did NOT drag-and-drop it directly into the Godot editor.
  2. Godot Editor Refresh: After copying, I launched Godot Editor (as administrator) and clicked the “Refresh” button in the FileSystem dock. The file still doesn’t appear.
  3. System Resources: I have successfully freed up C drive space to 28GB (from original 15.9GB/5GB) by uninstalling Unity and emptying the Recycle Bin. So, disk space should no longer be an issue.
  4. Software & Environment:
    • Godot Version: 4.4.1-stable_win64 (This should be filled in the format Godot_v4.4.1-stable_win64 but without Godot_v if the template just wants the version number)
    • Operating System: Windows 11
    • WebM Source: Exported from Shotcut (or HandBrake if you used it - please specify)
    • WebM Codecs (as seen in Shotcut/HandBrake settings or file info): VP9 Video, Opus Audio
    • Confirmed VLC Playback: Yes, plays perfectly.
  5. Troubleshooting Attempts:
    • Restarted computer multiple times.
    • Ran Godot Editor as administrator.

Expected Behavior:
The scene01.webm file should appear in the Godot FileSystem dock and be playable via a VideoStreamPlayer node.

Question:
What could be preventing Godot from recognizing or playing this WebM file, given that it works perfectly in VLC and system resources are now adequate?

Thank you for your help!

2

WebM was supported in core in Godot 3.x, but support for it was removed in 4.0 as it was too buggy and difficult to maintain.