Reads a half-open visible Projection range from ordered Footage spans.
Replica whose Projection is read.
First visible frame to include.
Optional
Boundary after the final frame; defaults to Projection end.
The selected visible values, or an empty array for an invalid or empty range.
Masks are skipped natively. The resulting spans are consumed before another Wasm call can reuse the shared Footage Span Buffer.
Reads a half-open visible Projection range from ordered Footage spans.