[Feature] Use Windows 10 graphics capture to record#751

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h82258652 wants to merge 5 commits into

NickeManarin:masterfrom

h82258652:feature_SystemCapture

Commits on Oct 29, 2020

Commits on Oct 30, 2020

Due to encoder not support different frame size, remove recreate frame pool codes.
h82258652
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Commits on Nov 2, 2020

implement system capture pause function.
h82258652
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Commits on Nov 5, 2020

implement discard
h82258652
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