Why do videos have to buffer when you rewind on media players(eg YouTube)

314 viewsOtherTechnology

If I watch to 1:20 in then click back to 1:00 the video will load, but if I’ve already watched that part wouldn’t it be “stored” on my side of the browser?

In: Technology

5 Answers

Anonymous 0 Comments

Depending on how high resolution the video you’re watching is; no, probably not. Your PC likely can’t have the entire video cached at once.

Also consider if you’re doing other things at the same time, your PC will likely decide to drop already-played video out of memory to make space to use that memory for other things.

One hour of video at 1080p is about 1.5GB.

One hour of video at 4k is about 20GB.

Neither of these figures include the accompanying audio, which adds a bit more on top.

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