1 /*
2  * Copyright 2020 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 org.hyphonate.megaaudio.player;
17 
18 public abstract class AudioSourceProvider {
19     // Cache sources
20     protected AudioSource mJavaSource;
21     protected NativeAudioSource mNativeSource;
22 
23     // Shadow most recently accessed source
24     protected AudioSource mActiveSource;
25 
26     /**
27      * @return return a Java AudioSource subclass object corresponding to the AudioSourceProvider
28      * implementation.
29      */
getJavaSource()30     public abstract AudioSource getJavaSource();
31 
32     /**
33      * @return a native (C/C++) AudioSource subclass object corresponding to the AudioSourceProvider
34      * implementation (stored in a long).
35      */
getNativeSource()36     public abstract AudioSource getNativeSource();
37 
getActiveSource()38     public AudioSource getActiveSource() {
39         return mActiveSource;
40     }
41 }
42