Function getEncoderFactory

server/cloudflare/src/opus.ts:133–142

()

let encoderFactoryPromise: Promise<() => WasmOpusEncoder> | undefined;

async function getEncoderFactory(): Promise<() => WasmOpusEncoder> {
  if (!encoderFactoryPromise) {
    encoderFactoryPromise = wasmInstancePromise.then((instance) => {
      const wasm = instance.exports as unknown as OpusExports;
      return () => new WasmOpusEncoder(wasm);
    });
  }

  return encoderFactoryPromise;
}

function concatBytes(left: Uint8Array, right: Uint8Array): Uint8Array {
  const out = new Uint8Array(left.length + right.length);