Why does YouTube videos with lots of greenery or trees cause lag?
In: Technology
The cause is not the greenery per se. Rather it is the small rapidly moving details of the leaves.
The reason is how video compression works. Video compression works by noticing how blocks of pixels stay constant or move predictably from frame to frame. If you have a lot of quickly moving details like leaves, confetti, sparks, etc. this detection system breaks down or gets overwhelmed and you either have to reduce the video quality or significantly increase the amount of data being processed per frame.
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