1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package android.hardware.cas@1.0;
17
18import android.hardware.cas@1.0::types;
19
20/**
21 * IDescramblerBase is the API to control the descrambler and is accessible
22 * from both Java and native level.
23 */
24
25interface IDescramblerBase {
26    /**
27     * Associate a MediaCas session with this MediaDescrambler instance.
28     *
29     * @param sessionId the id of the session to associate with this descrambler instance.
30     * @return status the status of the call.
31     */
32    setMediaCasSession(HidlCasSessionId sessionId) generates (Status status);
33
34    /**
35     * Query if the scrambling scheme requires the use of a secure decoder
36     * to decode data of the given mime type.
37     *
38     * @param mime the mime type of the media data.
39     * @return result whether the descrambler requires a secure decoder.
40     */
41    requiresSecureDecoderComponent(string mime) generates (bool result);
42
43    /**
44     * Release the descrambler instance.
45     *
46     * @return status the status of the call.
47     */
48    release() generates (Status status);
49};
50