1/*
2 * Copyright (C) 2021 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.drm@1.4;
17
18import @1.3::IDrmFactory;
19
20/**
21 * IDrmFactory is the main entry point for interacting with a vendor's
22 * drm HAL to create drm plugin instances. A drm plugin instance
23 * creates drm sessions which are used to obtain keys for a crypto
24 * session so it can decrypt protected video content.
25 *
26 * The 1.4 factory must always create 1.4 IDrmPlugin interfaces, which are
27 * returned via the 1.0 createPlugin method.
28 *
29 * To use 1.4 features the caller must cast the returned interface to a
30 * 1.4 HAL, using V1_4::IDrmPlugin::castFrom().
31 */
32
33interface IDrmFactory extends @1.3::IDrmFactory {
34};
35