1 /* 2 * Copyright (c) 2022-2024 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 OHOS_DMIC_DEV_H 17 #define OHOS_DMIC_DEV_H 18 19 #include <queue> 20 #include <set> 21 #include <thread> 22 #include "cJSON.h" 23 24 #include "audio_param.h" 25 #include "audio_status.h" 26 #include "av_receiver_engine_transport.h" 27 #include "ashmem.h" 28 #include "daudio_constants.h" 29 #ifdef ECHO_CANNEL_ENABLE 30 #include "daudio_echo_cannel_manager.h" 31 #endif 32 #include "daudio_hdi_handler.h" 33 #include "daudio_io_dev.h" 34 #include "iaudio_data_transport.h" 35 #include "iaudio_datatrans_callback.h" 36 #include "iaudio_event_callback.h" 37 #include "idaudio_hdi_callback.h" 38 39 namespace OHOS { 40 namespace DistributedHardware { 41 class DMicDev : public DAudioIoDev, 42 public IAudioDataTransCallback, 43 public AVReceiverTransportCallback, 44 public std::enable_shared_from_this<DMicDev> { 45 public: DMicDev(const std::string & devId,std::shared_ptr<IAudioEventCallback> callback)46 DMicDev(const std::string &devId, std::shared_ptr<IAudioEventCallback> callback) 47 : DAudioIoDev(devId), audioEventCallback_(callback) {}; 48 ~DMicDev() override = default; 49 50 void OnEngineTransEvent(const AVTransEvent &event) override; 51 void OnEngineTransMessage(const std::shared_ptr<AVTransMessage> &message) override; 52 void OnEngineTransDataAvailable(const std::shared_ptr<AudioData> &audioData) override; 53 54 int32_t InitReceiverEngine(IAVEngineProvider *providerPtr) override; 55 int32_t InitSenderEngine(IAVEngineProvider *providerPtr) override; 56 57 int32_t EnableDevice(const int32_t dhId, const std::string &capability) override; 58 int32_t DisableDevice(const int32_t dhId) override; 59 int32_t CreateStream(const int32_t streamId) override; 60 int32_t DestroyStream(const int32_t streamId) override; 61 int32_t SetParameters(const int32_t streamId, const AudioParamHDF ¶m) override; 62 int32_t WriteStreamData(const int32_t streamId, std::shared_ptr<AudioData> &data) override; 63 int32_t ReadStreamData(const int32_t streamId, std::shared_ptr<AudioData> &data) override; 64 int32_t NotifyEvent(const int32_t streamId, const AudioEvent &event) override; 65 int32_t ReadMmapPosition(const int32_t streamId, uint64_t &frames, CurrentTimeHDF &time) override; 66 int32_t RefreshAshmemInfo(const int32_t streamId, 67 int32_t fd, int32_t ashmemLength, int32_t lengthPerTrans) override; 68 69 int32_t MmapStart() override; 70 int32_t MmapStop() override; 71 72 int32_t SetUp() override; 73 int32_t Start() override; 74 int32_t Pause() override; 75 int32_t Restart() override; 76 int32_t Stop() override; 77 int32_t Release() override; 78 bool IsOpened() override; 79 int32_t SendMessage(uint32_t type, std::string content, std::string dstDevId) override; 80 81 AudioParam GetAudioParam() const override; 82 int32_t NotifyHdfAudioEvent(const AudioEvent &event, const int32_t portId) override; 83 84 int32_t OnStateChange(const AudioEventType type) override; 85 int32_t OnDecodeTransDataDone(const std::shared_ptr<AudioData> &audioData) override; 86 87 private: 88 void EnqueueThread(); 89 void FillJitterQueue(); 90 91 private: 92 static constexpr uint8_t CHANNEL_WAIT_SECONDS = 5; 93 static constexpr size_t DATA_QUEUE_MAX_SIZE = 10; 94 static constexpr size_t DATA_QUEUE_HALF_SIZE = DATA_QUEUE_MAX_SIZE >> 1U; 95 static constexpr uint32_t LOW_LATENCY_JITTER_MAX_TIME_MS = 150; 96 static constexpr uint32_t LOW_LATENCY_JITTER_TIME_MS = 50; 97 static constexpr uint8_t MMAP_NORMAL_PERIOD = 5; 98 static constexpr uint8_t MMAP_VOIP_PERIOD = 20; 99 static constexpr uint32_t MMAP_WAIT_FRAME_US = 5000; 100 static constexpr const char* ENQUEUE_THREAD = "micEnqueueTh"; 101 const std::string DUMP_DAUDIO_MIC_READ_FROM_BUF_NAME = "dump_source_mic_read_from_trans.pcm"; 102 const std::string DUMP_DAUDIO_LOWLATENCY_MIC_FROM_BUF_NAME = "dump_source_mic_write_to_ashmem.pcm"; 103 const int32_t ASHMEM_MAX_LEN = 2 * 4096; 104 105 std::weak_ptr<IAudioEventCallback> audioEventCallback_; 106 std::mutex dataQueueMtx_; 107 std::mutex channelWaitMutex_; 108 std::condition_variable channelWaitCond_; 109 int32_t curPort_ = 0; 110 int32_t streamId_ = 100; 111 std::atomic<bool> isTransReady_ = false; 112 std::atomic<bool> isOpened_ = false; 113 std::shared_ptr<IAudioDataTransport> micTrans_ = nullptr; 114 #ifdef ECHO_CANNEL_ENABLE 115 std::shared_ptr<DAudioEchoCannelManager> echoManager_ = nullptr; 116 #endif 117 std::queue<std::shared_ptr<AudioData>> dataQueue_; 118 AudioStatus curStatus_ = AudioStatus::STATUS_IDLE; 119 // Mic capture parameters 120 AudioParamHDF paramHDF_; 121 AudioParam param_; 122 123 uint32_t insertFrameCnt_ = 0; 124 std::atomic<bool> isExistedEmpty_ = false; 125 size_t dataQueSize_ = 0; 126 sptr<Ashmem> ashmem_ = nullptr; 127 std::atomic<bool> isEnqueueRunning_ = false; 128 int32_t ashmemLength_ = -1; 129 int32_t lengthPerTrans_ = -1; 130 int32_t writeIndex_ = -1; 131 int64_t frameIndex_ = 0; 132 int64_t startTime_ = 0; 133 uint64_t writeNum_ = 0; 134 int64_t writeTvSec_ = 0; 135 int64_t writeTvNSec_ = 0; 136 int64_t lastReadStartTime_ = 0; 137 std::thread enqueueDataThread_; 138 std::mutex writeAshmemMutex_; 139 std::condition_variable dataQueueCond_; 140 int32_t dhId_ = -1; 141 bool echoCannelOn_ = false; 142 FILE *dumpFileCommn_ = nullptr; 143 FILE *dumpFileFast_ = nullptr; 144 uint32_t lowLatencyHalfSize_ = 0; 145 uint32_t lowLatencyMaxfSize_ = 0; 146 }; 147 } // DistributedHardware 148 } // OHOS 149 #endif // OHOS_DAUDIO_DMIC_DEV_H 150