1/* 2 * Copyright (C) 2016 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 17#pragma once 18 19namespace android { 20 21/** 22 * Interface for input descriptors to implement so dependent audio sessions can query information 23 * about their context 24 */ 25class AudioSessionInfoProvider 26{ 27public: 28 virtual ~AudioSessionInfoProvider() {}; 29 30 virtual audio_config_base_t getConfig() const = 0; 31 32 virtual audio_patch_handle_t getPatchHandle() const = 0; 33 34}; 35 36class AudioSessionInfoUpdateListener 37{ 38public: 39 virtual ~AudioSessionInfoUpdateListener() {}; 40 41 virtual void onSessionInfoUpdate() const = 0;; 42}; 43 44} // namespace android 45