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 16 #ifndef AUDIO_CAPTURER_SOURCE_H 17 #define AUDIO_CAPTURER_SOURCE_H 18 19 #include "audio_info.h" 20 #include "audio_manager.h" 21 #include "i_audio_capturer_source.h" 22 #include "running_lock.h" 23 24 #include <cstdio> 25 #include <list> 26 27 namespace OHOS { 28 namespace AudioStandard { 29 #define AUDIO_CHANNELCOUNT 2 30 #define AUDIO_SAMPLE_RATE_48K 48000 31 #define DEEP_BUFFER_CAPTURE_PERIOD_SIZE 4096 32 #define INT_32_MAX 0x7fffffff 33 #define PERIOD_SIZE 1024 34 #define PATH_LEN 256 35 #define AUDIO_BUFF_SIZE (16 * 1024) 36 #define PCM_8_BIT 8 37 #define PCM_16_BIT 16 38 #define INTERNAL_INPUT_STREAM_ID 1 39 40 class AudioCapturerSource : public IAudioCapturerSource { 41 public: 42 int32_t Init(IAudioSourceAttr &atrr) override; 43 bool IsInited(void) override; 44 void DeInit(void) override; 45 46 int32_t Start(void) override; 47 int32_t Stop(void) override; 48 int32_t Flush(void) override; 49 int32_t Reset(void) override; 50 int32_t Pause(void) override; 51 int32_t Resume(void) override; 52 int32_t CaptureFrame(char *frame, uint64_t requestBytes, uint64_t &replyBytes) override; 53 int32_t SetVolume(float left, float right) override; 54 int32_t GetVolume(float &left, float &right) override; 55 int32_t SetMute(bool isMute) override; 56 int32_t GetMute(bool &isMute) override; 57 58 int32_t SetAudioScene(AudioScene audioScene, DeviceType activeDevice) override; 59 60 int32_t SetInputRoute(DeviceType deviceType, AudioPortPin &inputPortPin); 61 62 int32_t SetInputRoute(DeviceType deviceType) override; 63 64 uint64_t GetTransactionId() override; 65 66 static AudioCapturerSource *GetInstance(void); 67 bool capturerInited_; 68 static bool micMuteState_; 69 70 private: 71 const int32_t HALF_FACTOR = 2; 72 const int32_t MAX_AUDIO_ADAPTER_NUM = 5; 73 const float MAX_VOLUME_LEVEL = 15.0f; 74 75 IAudioSourceAttr attr_; 76 bool started_; 77 bool paused_; 78 float leftVolume_; 79 float rightVolume_; 80 81 int32_t routeHandle_ = -1; 82 uint32_t openMic_; 83 std::string adapterNameCase_; 84 struct AudioManager *audioManager_; 85 struct AudioAdapter *audioAdapter_; 86 struct AudioCapture *audioCapture_; 87 struct AudioPort audioPort; 88 std::shared_ptr<PowerMgr::RunningLock> mKeepRunningLock; 89 90 int32_t CreateCapture(struct AudioPort &capturePort); 91 int32_t InitAudioManager(); 92 93 #ifdef CAPTURE_DUMP 94 FILE *pfd; 95 #endif 96 97 AudioCapturerSource(); 98 ~AudioCapturerSource(); 99 }; 100 } // namespace AudioStandard 101 } // namespace OHOS 102 #endif // AUDIO_CAPTURER_SOURCE_H 103