How do I go full screen with version 5.8 of FPVWidget?

In version 5.8, the video streaming codec has been reconstructed so that the FPVWidget, which still uses videoDecoder for rendering, will be centered in the center of the screen.

[How to realize full-screen display]

Because version 5.8 of VideoDecoder has changed the display effect to width-height adaptive centered display, to achieve full-screen display you need to replace VideoDecoder with CameraStreamManager.putCameraStreamSurface().
The putCameraStreamSurface interface can be passed into the scaleType parameter to control the display effect.

• FIX_XY -- Stretch full screen display

• CENTER_CROP -- Adaptive full-screen display(It may experience loss of part of the picture during adaptation)

• CENTER_INSIDE  -- Width-height adaptive centered displa