OptionalcapsOverride runtime capability detection ({ wasmSimd, workers }); mainly for
tests. When omitted, capabilities are detected via core's detectCapabilities().
OptionalpoolWorker pool size for the worker backend. Defaults to hardwareConcurrency − 1, clamped to 1–4.
OptionalrequestedForce a specific backend instead of auto-selecting ('cpu-wasm' =
BvcDecoder, 'cpu-wasm-workers' = BvcWorkerDecoder). When
omitted, the best supported backend for the detected runtime is chosen.
OptionalspawnFactory that creates a decode Worker for the worker backend; see BvcWorkerDecoderOptions.spawn.
Optionalwasmwasm load + init overrides forwarded to the chosen decoder; see WasmHostInit.
Options for createBvcDecoder.