acceptedFrameSources property
Which FrameSource variants this backend can consume directly (without the facade falling back to CPU readback).
Implementation
@override
Set<FrameSourceKind> get acceptedFrameSources => const {
FrameSourceKind.cpu,
FrameSourceKind.miniavBufferCpu,
// Zero-copy path: VideoFrame from MediaStreamTrackProcessor.
FrameSourceKind.webVideoFrame,
};