WebCodecs not supported on Google Chrome version 127 on Ubuntu system

[AAT290]

I wrote a demo and tested whether hardware decoding can be turned on on different platforms, including windows and ubuntu platforms, the encoding format of the test data is H265, the video resolution is 1080P，this is my first time testing on ubuntu platform，
I'm trying to use webcodecs on Google Chrome on the ubuntu system，Use the VideoDecoder.isConfigSupported(config) method，The details are as follows：
VideoDecoder.isConfigSupported(avcConfig).then((avcConfigInfo) => {
let supportflag = avcConfigInfo.supported;

The result is not supported，The supportflag value is 0，I don't know what the reason is；

Here's what my computer is configuring：
Google Chrome Version：127.0.6533.119 (Official Build) (64-bit)
Ubuntu 18.04.1 LTS
Intel Core i7-8700K CPU @ 3.70GHz x 12
Intel UHD Graphics 630 (Coffeelake 3x8 GT2)
OS type : 64-bit

I typed the URL into Google Chrome as chrome://gpu/ and the result was as follows：Video Decode: Hardware accelerated

[dalecurtis]

Hardware decoding on Linux is only supported by Chrome for some intel platforms. It is not widely available. You can file an issue at https://crbug.com/new with the full contents of your chrome://gpu info and we can see if it should be working for your system.