shifro/dist/shifro.d.ts

A lightweight, dependency-free MP4 decrypter

//#region lib/process.d.ts
type EncryptionScheme = 'cenc' | 'cbcs';
type TransformSampleParams = {
  encryptionScheme?: EncryptionScheme;
  data: Uint8Array;
  iv: Uint8Array;
  timestamp: number;
};
type TransformSampleFn = (params: TransformSampleParams) => Promise<Uint8Array | null>;

//#endregion
//#region lib/stream.d.ts
interface ProcessStreamOptions {
  transformSample: TransformSampleFn;
  onProgress?: (bytesProcessed: number) => void;
  preventClose?: boolean;
}

//#endregion
//#region shifro.d.ts
declare const decryptWithKey: (key: Uint8Array, params: TransformSampleParams) => Promise<Uint8Array<ArrayBuffer>>;
type DecryptWithKey = {
  key: string;
  keyId?: string;
  encryptionScheme?: EncryptionScheme;
};
type DecryptWithCallback = {
  keyId?: string;
  transformSample: (params: TransformSampleParams) => Promise<Uint8Array | null>;
};
type DecryptParams = DecryptWithKey | DecryptWithCallback;
declare const decryptSegment: (segment: Uint8Array, params: DecryptParams) => Promise<Uint8Array<ArrayBufferLike>>;
declare const decryptStream: (readable: ReadableStream, writable: WritableStream, {
  preventClose,
  onProgress,
  ...params
}: DecryptParams & Omit<ProcessStreamOptions, "transformSample">) => Promise<void>;

//#endregion
export { DecryptParams, ProcessStreamOptions, TransformSampleParams, decryptSegment, decryptStream, decryptWithKey };