media3/libraries
huangdarwin 57bc215210 Compositor: Implement OverlaySettings and custom in/out size support.
Implement VideoCompositor support of:
* Different input and output sizes
* CompositorSettings, to customize output size based on input texture sizes
* OverlaySettings, to place an input frame in an arbitrary position on
  the output frame.

Also, refactor Overlay's matrix logic to make it more reusable between
Compositor and Overlays

PiperOrigin-RevId: 561931854
2023-09-01 05:54:15 -07:00
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2023-09-01 01:31:45 -07:00