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 */ 16 package android.hardware.drm@1.1; 17 18 import @1.0::IDrmFactory; 19 import @1.0::IDrmPlugin; 20 21 /** 22 * IDrmFactory is the main entry point for interacting with a vendor's 23 * drm HAL to create drm plugin instances. A drm plugin instance 24 * creates drm sessions which are used to obtain keys for a crypto 25 * session so it can decrypt protected video content. 26 * 27 * The 1.1 factory must always create 1.1 IDrmPlugin interfaces, which are 28 * returned via the 1.0 createPlugin method. 29 * 30 * To use 1.1 features the caller must cast the returned interface to a 31 * 1.1 HAL, using V1_1::IDrmPlugin::castFrom(). 32 */ 33 34 interface IDrmFactory extends @1.0::IDrmFactory { 35 }; 36
