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 HPAE_CAPTURER_STREAM_IMPL_H 17 #define HPAE_CAPTURER_STREAM_IMPL_H 18 19 #include <shared_mutex> 20 #include "i_capturer_stream.h" 21 22 namespace OHOS { 23 namespace AudioStandard { 24 class HpaeCapturerStreamImpl : public std::enable_shared_from_this<HpaeCapturerStreamImpl>, 25 public IStreamStatusCallback, 26 public ICapturerStreamCallback, 27 public ICapturerStream { 28 public: 29 HpaeCapturerStreamImpl(AudioProcessConfig processConfig); 30 ~HpaeCapturerStreamImpl(); 31 int32_t InitParams(const std::string &deviceName = ""); 32 int32_t Start() override; 33 int32_t Pause(bool isStandby = false) override; 34 int32_t Flush() override; 35 int32_t Drain(bool stopFlag = false) override { return 0; }; 36 int32_t Stop() override; 37 int32_t Release() override; 38 int32_t GetStreamFramesRead(uint64_t &framesRead) override; 39 int32_t GetCurrentTimeStamp(uint64_t ×tamp) override; 40 int32_t GetLatency(uint64_t &latency) override; 41 42 void RegisterStatusCallback(const std::weak_ptr<IStatusCallback> &callback) override; 43 void RegisterReadCallback(const std::weak_ptr<IReadCallback> &callback) override; 44 BufferDesc DequeueBuffer(size_t length) override; 45 int32_t EnqueueBuffer(const BufferDesc &bufferDesc) override; 46 int32_t GetMinimumBufferSize(size_t &minBufferSize) const override; 47 void GetByteSizePerFrame(size_t &byteSizePerFrame) const override; 48 void GetSpanSizePerFrame(size_t &spanSizeInFrame) const override; 49 void SetStreamIndex(uint32_t index) override; 50 uint32_t GetStreamIndex() override; 51 int32_t DropBuffer() override; 52 void AbortCallback(int32_t abortTimes); 53 int32_t OnStreamData(AudioCallBackCapturerStreamInfo &callBackStreamInfo) override; 54 void OnStatusUpdate(IOperation operation, uint32_t streamIndex) override; 55 56 private: 57 58 uint32_t streamIndex_ = static_cast<uint32_t>(-1); // invalid index 59 60 AudioProcessConfig processConfig_ = {}; 61 std::weak_ptr<IStatusCallback> statusCallback_; 62 std::weak_ptr<IReadCallback> readCallback_; 63 State state_ = INVALID; 64 65 size_t byteSizePerFrame_ = 0; 66 size_t spanSizeInFrame_ = 0; 67 size_t minBufferSize_ = 0; 68 69 size_t totalBytesRead_ = 0; 70 71 FILE *capturerServerDumpFile_ = nullptr; 72 73 // Only for debug 74 int32_t abortFlag_ = 0; 75 76 uint32_t capturerId_ = 0; 77 78 std::shared_mutex latencyMutex_; 79 uint64_t framesRead_ = 0; 80 uint64_t timestamp_ = 0; 81 uint64_t latency_ = 0; 82 }; 83 } // namespace AudioStandard 84 } // namespace OHOS 85 #endif // hpae_capturer_stream_impl_H 86