High cpu usage with youtube video and integrated graphics i915

[psimint]

Hi, I've just installed latest Mint cinnamon version on my pc and I noticed a very high cpu usage (around 70~75%) when playing any youtube video (720p60).

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inxi -G
Graphics:  Device-1: Intel Core Processor Integrated Graphics driver: i915 v: kernel 
           Display: x11 server: X.Org 1.20.13 driver: modesetting unloaded: fbdev,vesa 
           resolution: 1440x900~60Hz, 1280x1024~60Hz 
           OpenGL: renderer: Mesa DRI Intel HD Graphics (ILK) v: 2.1 Mesa 21.0.3

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inxi -C
CPU:       Topology: Dual Core model: Intel Core i3 540 bits: 64 type: MT MCP L2 cache: 4096 KiB 
           Speed: 1330 MHz min/max: 1200/3067 MHz Core speeds (MHz): 1: 1280 2: 1249 3: 1365 4: 1285

Is there any solution to this problem?

[ugly]

This is probably because hardware accelerated video decoding isn't enabled for your web browser.

Hardware acceration for video decode in browsers is kind of a mess on Linux. It's not enabled by default, and is usually considered an experimental feature that's buried behind a bunch of flags in the browser, and they seemingly change it with every new version. I've never had any success in getting it working.

Let us know which browser you are using, and hopefully someone here will have some knowledge on how to enable it.

[psimint]

I see, that's a mess then?
Firefox 89.0.2 (64-bit)