1 /* 2 * Copyright (c) 2021-2022 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 #ifndef AUDIO_CAPTURER_CLIENT_H 16 #define AUDIO_CAPTURER_CLIENT_H 17 18 #include <mutex> 19 #include "audio_capturer.h" 20 #include "iproxy_client.h" 21 #include "media_info.h" 22 #include "surface.h" 23 24 using OHOS::Surface; 25 using std::mutex; 26 using OHOS::SurfaceBuffer; 27 using OHOS::IBufferConsumerListener; 28 using OHOS::Audio::Timestamp; 29 using OHOS::Audio::AudioCapturerInfo; 30 31 namespace OHOS { 32 namespace Audio { 33 class AudioCapturer::AudioCapturerClient : public IBufferConsumerListener { 34 public: 35 AudioCapturerClient(); 36 ~AudioCapturerClient(); 37 static bool GetMinFrameCount(int32_t sampleRate, int32_t channelCount, AudioCodecFormat audioFormat, 38 size_t &frameCount); 39 uint64_t GetFrameCount(); 40 int32_t SetCapturerInfo(const AudioCapturerInfo info); 41 int32_t GetCapturerInfo(AudioCapturerInfo &info); 42 bool Start(); 43 int32_t Read(uint8_t *buffer, size_t userSize, bool isBlockingRead); 44 State GetStatus(); 45 bool GetAudioTime(Timestamp ×tamp, Timestamp::Timebase base); 46 bool Stop(); 47 bool Release(); 48 void OnBufferAvailable() override; 49 static AudioCapturerClient *GetInstance(); 50 51 private: 52 bool InitAudioCapturerClient(); 53 IClientProxy *GetIClientProxy(); 54 int32_t InitSurface(void); 55 void ReleaseAllBuffer(); 56 57 SvcIdentity sid_; 58 IClientProxy *proxy_ = nullptr; 59 std::shared_ptr<Surface> surface_; 60 std::mutex lock_; 61 Timestamp curTimestamp_; 62 bool timeStampValid_ = false; 63 }; 64 } // namespace Audio 65 } // namespace OHOS 66 #endif // AUDIO_CAPTURER_CLIENT_H 67