pub unsafe extern "C" fn AMediaDrm_decrypt(
    arg1: *mut AMediaDrm,
    sessionId: *const AMediaDrmSessionId,
    cipherAlgorithm: *const c_char,
    keyId: *mut u8,
    iv: *mut u8,
    input: *const u8,
    output: *mut u8,
    dataSize: size_t
) -> media_status_t