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 
19 namespace android {
20 
21 /**
22  * Interface for input descriptors to implement so dependent audio sessions can query information
23  * about their context
24  */
25 class AudioSessionInfoProvider
26 {
27 public:
~AudioSessionInfoProvider()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 
36 class AudioSessionInfoUpdateListener
37 {
38 public:
~AudioSessionInfoUpdateListener()39     virtual ~AudioSessionInfoUpdateListener() {};
40 
41     virtual void onSessionInfoUpdate() const = 0;;
42 };
43 
44 } // namespace android
45