John-Gdi

> see #14430 Thanks for your feedback, since I'm not an expert in video decoding, but I'll try my best to fix this issue.

> see #14430 @jamie-pate i have fix the issue, and please verify it on 1ede4ca4bdc5ae39081bb199541594054fbda161. Thanks!

> [make the attached vp8 and vp9 webm file plays properly](https://github.com/godotengine/godot/pull/57744/commits/1ede4ca4bdc5ae39081bb199541594054fbda161) > [perf.log](https://github.com/godotengine/godot/files/8248949/perf.log) i7-8750H [perf-u620-i7-8650U.log](https://github.com/godotengine/godot/files/8249129/perf-u620-i7-8650U.log) > > When playing a file that was encoded with vp9 and did not fail...

I have open #69284 to solve the issue. Both two crashes are caused by invalid child pointer, so a safe checking was added to avoid this problem.

Hi, @RandomShaper thanks for your amazing job. When we try to build your `d3d12` branch with the above instructions, the build succeed, but when we start Godot with switching to...