1 /* 2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_SHARING_AUDIO_SINK_H 17 #define OHOS_SHARING_AUDIO_SINK_H 18 19 #include <condition_variable> 20 #include <memory> 21 #include <mutex> 22 #include <cstdint> 23 #include <thread> 24 #include "audio_renderer.h" 25 26 namespace OHOS { 27 namespace Sharing { 28 29 enum PlayerMessageType { 30 MEDIA_PLAYER_INFO_UNKNOWN, 31 }; 32 33 enum PlayOnInfoType { INFO_TYPE_STATE_CHANGE, INFO_TYPE_VOLUME_CHANGE, INFO_TYPE_RESOLUTION_CHANGE }; 34 35 enum PlayerState { 36 PLAYER_STATE_ERROR, 37 PLAYER_STATE_IDLE, 38 PLAYER_STATE_INITIALIZED, 39 PLAYER_STATE_PREPARING, 40 PLAYER_STATE_PREPARED, 41 PLAYER_STATE_STARTED, 42 PLAYER_STATE_PAUSED, 43 PLAYER_STATE_STOPPED, 44 PLAYER_STATE_COMPLETE 45 }; 46 47 enum PlayerErrorType { 48 PLAYER_SUCCESS = 0, 49 PLAYER_ERROR_UNKNOWN, 50 PLAYER_ERROR_INVALID_STATE, 51 PLAYER_ERROR_INVALID_PARAMS, 52 PLAYER_ERROR_EMPTY_INSTANCE 53 }; 54 55 class AudioSink { 56 public: 57 AudioSink(uint32_t playerId); 58 virtual ~AudioSink(); 59 60 int32_t Prepare(); 61 int32_t Prepare(int32_t channels, int32_t sampleRate); 62 int32_t Stop(); 63 int32_t Start(); 64 int32_t Pause(); 65 int32_t Drain(); 66 int32_t Flush(); 67 int32_t Release(); 68 void RendererThread(); 69 70 int32_t SetVolume(float volume); 71 int32_t SetParameters(int32_t bitsPerSample, int32_t channels, int32_t sampleRate); 72 73 int32_t GetVolume(float &volume); 74 int32_t GetBufferSize(int32_t &bufferSize); 75 int32_t GetParameters(int32_t &bitsPerSample, int32_t &channels, int32_t &sampleRate); 76 77 int32_t Write(uint8_t *buffer, size_t size); 78 79 private: 80 bool running_ = false; 81 uint32_t playerId_ = -1; 82 83 std::mutex mutex_; 84 std::unique_ptr<OHOS::AudioStandard::AudioRenderer> audioRenderer_ = nullptr; 85 }; 86 87 } // namespace Sharing 88 } // namespace OHOS 89 #endif