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 #ifndef AUDIOPLAYER_H_ 18 #define AUDIOPLAYER_H_ 19 20 #include <SLES/OpenSLES.h> 21 #include <SLES/OpenSLES_Android.h> 22 23 namespace ndkaudio { 24 25 class AudioSource; 26 27 class AudioPlayer { 28 public: 29 AudioPlayer(); 30 ~AudioPlayer(); 31 32 SLresult Open(int numChannels, AudioSource* filler); 33 void Close(); 34 35 SLresult RealizePlayer(); 36 SLresult RealizeRoutingProxy(); 37 38 SLresult Start(); 39 void Stop(); 40 isPlaying()41 inline bool isPlaying() { 42 return playing_; 43 } getSource()44 inline AudioSource* getSource() { 45 return source_; 46 } 47 48 // This is public because it needs to be called by the OpenSL ES callback, but it should not 49 // be called by anyone else. 50 SLresult enqueBuffer(); 51 getPlayerObject()52 SLPlayItf getPlayerObject() { 53 return bqPlayerPlay_; 54 } 55 getConfigItf()56 SLAndroidConfigurationItf getConfigItf() { 57 return configItf_; 58 } 59 60 private: 61 // void fill(); 62 63 AudioSource* source_; 64 int sampleRate_; 65 int numChannels_; 66 67 float* playBuff_; 68 long numPlayBuffFrames_; 69 long playBuffSizeInBytes_; 70 71 bool playing_; 72 73 long time_; 74 75 // OpenSLES stuff 76 SLObjectItf bqPlayerObject_; 77 SLPlayItf bqPlayerPlay_; 78 SLAndroidSimpleBufferQueueItf bq_; 79 SLAndroidConfigurationItf configItf_; 80 }; 81 82 } // namespace ndkaudio 83 84 #endif /* AUDIOPLAYER_H_ */ 85