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An overlay surface (in a PC's video driver) smoothes out all Divx, Flash, DVD, etc video sources. You'll see, when the overlay surface is not available, that th
by zandorg 18y ago
An overlay surface (in a PC's video driver) smoothes out all Divx, Flash, DVD, etc video sources. You'll see, when the overlay surface is not available, that the video/DVD is actually blocky without it.
- pmjordan 18y agoI don't think you meant "overlay" there: http://en.wikipedia.org/wiki/Video_overlay http://en.wikipedia.org/wiki/Video_overlay You're probably thinking of a deblocking filter: http://en.wikipedia.org/wiki/Deblocking_filter_(video) http://en.wikipedia.org/wiki/Deblocking_filter_(video) which is typically used in the decoder for the relevant video CODEC; recent video drivers do have hardware support for this, but it's not a fundamental connection. Moreover, deblocking only helps so much.