Cover.mp4
When you record a video with enabled on a compatible Google Pixel device, your phone doesn't just create one file. Instead, it creates a "dual-file" system to balance immediate usability with high-end processing:
"Cover.mp4" is a common placeholder or filename used by developers for a background video or a video used as a "hero" element on a website or splash screen. Cover.mp4
Did you want to know more about this feature, or were you looking for a script to implement a background video named "cover.mp4" on a website? One of my favourite music quotes! | Nick Higgs The Singer When you record a video with enabled on
Once the boosted version is ready, Google Photos downloads the final high-quality version and typically deletes the massive raw MAIN.mp4 to save space. One of my favourite music quotes
When using the Video Boost feature on Pixel phones, the device generates a temporary file named COVER.mp4 . This is a low-resolution (1080p) preview that you can view immediately while the high-quality version is being processed in the cloud.