1 /* 2 * Copyright (C) 2021 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_AS_IMPL_H 17 #define AUDIO_CAPTURE_AS_IMPL_H 18 19 #include <mutex> 20 #include "audio_capture.h" 21 #include "audio_capturer.h" 22 #include "nocopyable.h" 23 24 namespace OHOS { 25 namespace Media { 26 class AudioCaptureAsImpl : public AudioCapture, public NoCopyable { 27 public: 28 AudioCaptureAsImpl(); 29 virtual ~AudioCaptureAsImpl(); 30 31 int32_t SetCaptureParameter(uint32_t bitrate, uint32_t channels, uint32_t sampleRate) override; 32 int32_t GetCaptureParameter(uint32_t &bitrate, uint32_t &channels, uint32_t &sampleRate) override; 33 int32_t GetSegmentInfo(uint64_t &start) override; 34 int32_t StartAudioCapture() override; 35 int32_t StopAudioCapture() override; 36 int32_t PauseAudioCapture() override; 37 int32_t ResumeAudioCapture() override; 38 std::shared_ptr<AudioBuffer> GetBuffer() override; 39 40 private: 41 std::unique_ptr<OHOS::AudioStandard::AudioCapturer> audioCapturer_ = nullptr; 42 size_t bufferSize_ = 0; // minimum size of each buffer acquired from AudioServer 43 uint64_t bufferDurationNs_ = 0; // each buffer 44 uint64_t timestamp_ = 0; 45 uint64_t pausedTime_ = 0; // the timestamp when audio pause called 46 uint64_t resumeTime_ = 0; // the timestamp when audio resume called 47 uint32_t pausedCount_ = 0; // the paused count times 48 uint64_t persistTime_ = 0; 49 uint64_t totalPauseTime_ = 0; 50 bool isResume_ = false; 51 bool isPause_ = false; 52 std::mutex pauseMutex_; 53 }; 54 } // namespace Media 55 } // namespace OHOS 56 57 #endif // AUDIO_CAPTURE_AS_IMPL_H 58