1/*
2 * Copyright (C) 2019 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@1.3;
17
18import @1.2::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 1.3 factory must always create 1.2 IDrmPlugin interfaces, which are
27 * returned via the 1.0 createPlugin method.
28 */
29
30interface IDrmFactory extends @1.2::IDrmFactory {
31    /**
32     * Return vector of uuids identifying crypto schemes supported by this HAL.
33     *
34     * @return schemes Vector of uuids for which isCryptoSchemeSupported is true;
35     *                 each uuid can be used as input to createPlugin.
36     */
37    getSupportedCryptoSchemes() generates(vec<uint8_t[16]> schemes);
38};
39