1 /* 2 * Copyright (c) 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 AUDIO_CAPTURE_ADAPTER_H 17 #define AUDIO_CAPTURE_ADAPTER_H 18 19 #include <memory> 20 #include <string> 21 #include "audio_renderer_adapter.h" 22 23 namespace OHOS::NWeb { 24 enum class AudioAdapterSourceType { 25 SOURCE_TYPE_INVALID = -1, 26 SOURCE_TYPE_MIC, 27 SOURCE_TYPE_VOICE_RECOGNITION = 1, 28 SOURCE_TYPE_VOICE_COMMUNICATION = 7, 29 SOURCE_TYPE_ULTRASONIC = 8 30 }; 31 32 struct AudioAdapterCapturerOptions { 33 AudioAdapterSamplingRate samplingRate; 34 AudioAdapterEncodingType encoding; 35 AudioAdapterSampleFormat format; 36 AudioAdapterChannel channels; 37 AudioAdapterSourceType sourceType; 38 int32_t capturerFlags; 39 }; 40 41 struct BufferDescAdapter { 42 uint8_t* buffer; 43 size_t bufLength; 44 size_t dataLength; 45 }; 46 47 class AudioCapturerReadCallbackAdapter { 48 public: 49 AudioCapturerReadCallbackAdapter() = default; 50 51 virtual ~AudioCapturerReadCallbackAdapter() = default; 52 53 virtual void OnReadData(size_t length) = 0; 54 }; 55 56 class AudioCapturerAdapter { 57 public: 58 AudioCapturerAdapter() = default; 59 60 virtual ~AudioCapturerAdapter() = default; 61 62 virtual int32_t Create(const AudioAdapterCapturerOptions &capturerOptions, 63 std::string cachePath = std::string()) = 0; 64 65 virtual bool Start() = 0; 66 67 virtual bool Stop() = 0; 68 69 virtual bool Release() = 0; 70 71 virtual int32_t SetCapturerReadCallback( 72 const std::shared_ptr<AudioCapturerReadCallbackAdapter> &callbck) = 0; 73 74 virtual int32_t GetBufferDesc(BufferDescAdapter &buffferDesc) = 0; 75 76 virtual int32_t Enqueue(const BufferDescAdapter &bufferDesc) const = 0; 77 78 virtual int32_t GetFrameCount(uint32_t &frameCount) const = 0; 79 80 virtual int64_t GetAudioTime() = 0; 81 }; 82 } // namespace OHOS::NWeb 83 84 #endif // AUDIO_CAPTURE_ADAPTER_H