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 17 #ifndef MEGA_PLAYER_OBOEPLAYER_H 18 #define MEGA_PLAYER_OBOEPLAYER_H 19 20 #include <jni.h> 21 22 #include <oboe/Oboe.h> 23 24 #include "Player.h" 25 26 class OboePlayer : public Player, oboe::AudioStreamCallback { 27 public: 28 OboePlayer(JNIEnv *env, AudioSource* source, int playerSubtype); ~OboePlayer()29 virtual ~OboePlayer() {} 30 31 // Inherited from oboe::AudioStreamCallback 32 virtual oboe::DataCallbackResult onAudioReady(oboe::AudioStream *oboeStream, void *audioData, 33 int32_t numFrames) override; 34 virtual void onErrorAfterClose(oboe::AudioStream *oboeStream, oboe::Result error) override; 35 virtual void onErrorBeforeClose(oboe::AudioStream * oboeStream, oboe::Result error) override; 36 37 Result buildStream(int32_t channelCount, int32_t channelMask, int32_t sampleRate, 38 int32_t performanceMode, int32_t sharingMode, int32_t routeDeviceId); 39 40 Result openStream(); 41 42 Result startStream(); 43 44 bool getJavaTimestamp(jobject timestampObj); 45 46 int getLastErrorCallbackResult(); 47 48 static oboe::ChannelMask javaChannelMaskToOboeChannelMask(int32_t javaMask); 49 static int32_t javaChannelMaskToChannelCount(int32_t javaMask); 50 51 private: 52 // AudioTimestamp Field IDs 53 JavaVM* mJvm; 54 55 jfieldID mFidFramePosition; 56 jfieldID mFidNanoTime; 57 }; 58 59 #endif // MEGA_PLAYER_OBOEPLAYER_H 60