1 /* 2 * Copyright (c) 2022-2023 Huawei Device 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 I_AUDIO_RENDERER_SINK_H 17 #define I_AUDIO_RENDERER_SINK_H 18 19 #include "audio_info.h" 20 21 namespace OHOS { 22 namespace AudioStandard { 23 typedef struct { 24 const char *adapterName; 25 uint32_t openMicSpeaker; 26 AudioSampleFormat format; 27 uint32_t sampleFmt; 28 uint32_t sampleRate; 29 uint32_t channel; 30 float volume; 31 const char *filePath; 32 const char *deviceNetworkId; 33 int32_t deviceType; 34 } IAudioSinkAttr; 35 36 class IAudioSinkCallback { 37 public: 38 virtual void OnAudioParameterChange(std::string netWorkId, const AudioParamKey key, const std::string& condition, 39 const std::string& value) = 0; 40 }; 41 42 class IAudioRendererSink { 43 public: 44 static IAudioRendererSink *GetInstance(const char *devceClass, const char *deviceNetworkId); 45 46 virtual ~IAudioRendererSink() = default; 47 48 virtual int32_t Init(IAudioSinkAttr attr) = 0; 49 virtual bool IsInited(void) = 0; 50 virtual void DeInit(void) = 0; 51 52 virtual int32_t Flush(void) = 0; 53 virtual int32_t Pause(void) = 0; 54 virtual int32_t Reset(void) = 0; 55 virtual int32_t Resume(void) = 0; 56 virtual int32_t Start(void) = 0; 57 virtual int32_t Stop(void) = 0; 58 59 virtual int32_t RenderFrame(char &data, uint64_t len, uint64_t &writeLen) = 0; 60 virtual int32_t GetLatency(uint32_t *latency) = 0; 61 62 virtual int32_t SetVolume(float left, float right) = 0; 63 virtual int32_t GetVolume(float &left, float &right) = 0; 64 virtual int32_t SetVoiceVolume(float volume) = 0; 65 66 virtual int32_t GetTransactionId(uint64_t *transactionId) = 0; 67 68 virtual int32_t SetAudioScene(AudioScene audioScene, DeviceType activeDevice) = 0; 69 virtual int32_t SetOutputRoute(DeviceType deviceType) = 0; 70 71 virtual void SetAudioParameter(const AudioParamKey key, const std::string& condition, const std::string& value) = 0; 72 virtual std::string GetAudioParameter(const AudioParamKey key, const std::string& condition) = 0; 73 virtual void RegisterParameterCallback(IAudioSinkCallback* callback) = 0; 74 75 virtual void SetAudioMonoState(bool audioMono) = 0; 76 virtual void SetAudioBalanceValue(float audioBalance) = 0; 77 }; 78 79 class IMmapAudioRendererSink : public IAudioRendererSink { 80 public: 81 IMmapAudioRendererSink() = default; 82 virtual ~IMmapAudioRendererSink() = default; 83 virtual int32_t GetMmapBufferInfo(int &fd, uint32_t &totalSizeInframe, uint32_t &spanSizeInframe, 84 uint32_t &byteSizePerFrame) = 0; 85 virtual int32_t GetMmapHandlePosition(uint64_t &frames, int64_t &timeSec, int64_t &timeNanoSec) = 0; 86 }; 87 } // namespace AudioStandard 88 } // namespace OHOS 89 #endif // I_AUDIO_RENDERER_SINK_H 90