Function parseInitDataFromContentProtection

  • parseInitDataFromContentProtection(
        cpData: ContentProtection,
        BASE64: { decodeArray: (input: string) => Uint8Array },
    ): null | ArrayBuffer
    Beta

    Parse a standard common encryption PSSH which contains a simple base64-encoding of the init data

    Parameters

    • cpData: ContentProtection

      The ContentProtection element that may contain PSSH data.

    • BASE64: { decodeArray: (input: string) => Uint8Array }

      The BASE64 reference.

    Returns null | ArrayBuffer

    init data as an ArrayBuffer, or null if not found.

    Example

    const expected = base64Decode(cpData.pssh.__text);
    const result = parseInitDataFromContentProtection(cpData, BASE64);

    strictEqual(result?.byteLength, expected.byteLength);

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