1 /* 2 * Copyright (c) 2022-2023 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 OHOS_DSPEAKER_DEV_H 17 #define OHOS_DSPEAKER_DEV_H 18 19 #include <condition_variable> 20 #include <set> 21 #include <thread> 22 #include "nlohmann/json.hpp" 23 24 #include "audio_param.h" 25 #include "ashmem.h" 26 #include "av_sender_engine_transport.h" 27 #include "daudio_hdi_handler.h" 28 #include "iaudio_event_callback.h" 29 #include "iaudio_data_transport.h" 30 #include "iaudio_datatrans_callback.h" 31 #include "idaudio_hdi_callback.h" 32 33 using json = nlohmann::json; 34 35 namespace OHOS { 36 namespace DistributedHardware { 37 class DSpeakerDev : public IDAudioHdiCallback, 38 public IAudioDataTransCallback, 39 public AVSenderTransportCallback, 40 public std::enable_shared_from_this<DSpeakerDev> { 41 public: DSpeakerDev(const std::string & devId,std::shared_ptr<IAudioEventCallback> callback)42 DSpeakerDev(const std::string &devId, std::shared_ptr<IAudioEventCallback> callback) 43 : devId_(devId), audioEventCallback_(callback) {}; 44 ~DSpeakerDev() override = default; 45 void OnEngineTransEvent(const AVTransEvent &event) override; 46 void OnEngineTransMessage(const std::shared_ptr<AVTransMessage> &message) override; 47 int32_t InitSenderEngine(IAVEngineProvider *providerPtr); 48 49 int32_t EnableDSpeaker(const int32_t dhId, const std::string& capability); 50 int32_t DisableDSpeaker(const int32_t dhId); 51 52 int32_t OpenDevice(const std::string &devId, const int32_t dhId) override; 53 int32_t CloseDevice(const std::string &devId, const int32_t dhId) override; 54 int32_t SetParameters(const std::string &devId, const int32_t dhId, const AudioParamHDF ¶m) override; 55 int32_t WriteStreamData(const std::string &devId, const int32_t dhId, std::shared_ptr<AudioData> &data) override; 56 int32_t ReadStreamData(const std::string &devId, const int32_t dhId, std::shared_ptr<AudioData> &data) override; 57 int32_t NotifyEvent(const std::string &devId, const int32_t dhId, const AudioEvent &event) override; 58 int32_t ReadMmapPosition(const std::string &devId, const int32_t dhId, 59 uint64_t &frames, CurrentTimeHDF &time) override; 60 int32_t RefreshAshmemInfo(const std::string &devId, const int32_t dhId, 61 int32_t fd, int32_t ashmemLength, int32_t lengthPerTrans) override; 62 int32_t MmapStart(); 63 int32_t MmapStop(); 64 65 int32_t OnStateChange(const AudioEventType type) override; 66 int32_t OnDecodeTransDataDone(const std::shared_ptr<AudioData> &audioData) override; 67 68 int32_t SetUp(); 69 int32_t Start(); 70 int32_t Stop(); 71 int32_t Release(); 72 bool IsOpened(); 73 int32_t Pause(); 74 int32_t Restart(); 75 int32_t SendMessage(uint32_t type, std::string content, std::string dstDevId); 76 77 AudioParam GetAudioParam() const; 78 int32_t NotifyHdfAudioEvent(const AudioEvent &event); 79 80 private: 81 int32_t EnableDevice(const int32_t dhId, const std::string &capability); 82 int32_t DisableDevice(const int32_t dhId); 83 void EnqueueThread(); 84 85 private: 86 static constexpr const char* ENQUEUE_THREAD = "spkEnqueueTh"; 87 88 std::string devId_; 89 std::weak_ptr<IAudioEventCallback> audioEventCallback_; 90 std::mutex channelWaitMutex_; 91 std::condition_variable channelWaitCond_; 92 std::atomic<bool> isTransReady_ = false; 93 std::atomic<bool> isOpened_ = false; 94 int32_t curPort_ = 0; 95 std::shared_ptr<IAudioDataTransport> speakerTrans_ = nullptr; 96 std::set<int32_t> enabledPorts_; 97 98 // Speaker render parameters 99 AudioParamHDF paramHDF_; 100 AudioParam param_; 101 102 uint32_t timeInterval_ = 5; 103 sptr<Ashmem> ashmem_ = nullptr; 104 std::atomic<bool> isEnqueueRunning_ = false; 105 int32_t ashmemLength_ = -1; 106 int32_t lengthPerTrans_ = -1; 107 int32_t readIndex_ = -1; 108 int64_t frameIndex_ = 0; 109 int64_t startTime_ = 0; 110 uint64_t readNum_ = 0; 111 int64_t readTvSec_ = 0; 112 int64_t readTvNSec_ = 0; 113 std::thread enqueueDataThread_; 114 }; 115 } // DistributedHardware 116 } // OHOS 117 #endif // OHOS_DAUDIO_DSPEAKER_DEV_H