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_constants.h" 28 #include "daudio_hdi_handler.h" 29 #include "daudio_io_dev.h" 30 #include "iaudio_event_callback.h" 31 #include "iaudio_data_transport.h" 32 #include "iaudio_datatrans_callback.h" 33 #include "idaudio_hdi_callback.h" 34 35 using json = nlohmann::json; 36 37 namespace OHOS { 38 namespace DistributedHardware { 39 class DSpeakerDev : public DAudioIoDev, 40 public IAudioDataTransCallback, 41 public AVSenderTransportCallback, 42 public std::enable_shared_from_this<DSpeakerDev> { 43 public: DSpeakerDev(const std::string & devId,std::shared_ptr<IAudioEventCallback> callback)44 DSpeakerDev(const std::string &devId, std::shared_ptr<IAudioEventCallback> callback) 45 : DAudioIoDev(devId), audioEventCallback_(callback) {}; 46 ~DSpeakerDev() override = default; 47 48 void OnEngineTransEvent(const AVTransEvent &event) override; 49 void OnEngineTransMessage(const std::shared_ptr<AVTransMessage> &message) override; 50 51 int32_t InitReceiverEngine(IAVEngineProvider *providerPtr) override; 52 int32_t InitSenderEngine(IAVEngineProvider *providerPtr) override; 53 54 int32_t EnableDevice(const int32_t dhId, const std::string &capability) override; 55 int32_t DisableDevice(const int32_t dhId) override; 56 int32_t OpenDevice(const std::string &devId, const int32_t dhId) override; 57 int32_t CloseDevice(const std::string &devId, const int32_t dhId) override; 58 int32_t SetParameters(const std::string &devId, const int32_t dhId, const AudioParamHDF ¶m) override; 59 int32_t WriteStreamData(const std::string &devId, const int32_t dhId, std::shared_ptr<AudioData> &data) override; 60 int32_t ReadStreamData(const std::string &devId, const int32_t dhId, std::shared_ptr<AudioData> &data) override; 61 int32_t NotifyEvent(const std::string &devId, const int32_t dhId, const AudioEvent &event) override; 62 int32_t ReadMmapPosition(const std::string &devId, const int32_t dhId, 63 uint64_t &frames, CurrentTimeHDF &time) override; 64 int32_t RefreshAshmemInfo(const std::string &devId, const int32_t dhId, 65 int32_t fd, int32_t ashmemLength, int32_t lengthPerTrans) override; 66 67 int32_t MmapStart() override; 68 int32_t MmapStop() override; 69 70 int32_t OnStateChange(const AudioEventType type) override; 71 int32_t OnDecodeTransDataDone(const std::shared_ptr<AudioData> &audioData) override; 72 73 int32_t SetUp() override; 74 int32_t Start() override; 75 int32_t Stop() override; 76 int32_t Release() override; 77 bool IsOpened() override; 78 int32_t Pause() override; 79 int32_t Restart() override; 80 int32_t SendMessage(uint32_t type, std::string content, std::string dstDevId) override; 81 82 AudioParam GetAudioParam() const override; 83 int32_t NotifyHdfAudioEvent(const AudioEvent &event, const int32_t portId) override; 84 85 private: 86 void EnqueueThread(); 87 88 private: 89 static constexpr const char* ENQUEUE_THREAD = "spkEnqueueTh"; 90 const std::string SPK_DEV_FILENAME = DUMP_FILE_PATH + "/source_spk_write_to_trans.pcm"; 91 const std::string SPK_LOWLATENCY_FILENAME = DUMP_FILE_PATH + "/source_spk_read_from_ashmem.pcm"; 92 93 std::weak_ptr<IAudioEventCallback> audioEventCallback_; 94 std::mutex channelWaitMutex_; 95 std::condition_variable channelWaitCond_; 96 std::atomic<bool> isTransReady_ = false; 97 std::atomic<bool> isOpened_ = false; 98 std::atomic<bool> dumpFlag_ = false; 99 int32_t curPort_ = 0; 100 std::shared_ptr<IAudioDataTransport> speakerTrans_ = nullptr; 101 102 // Speaker render parameters 103 AudioParamHDF paramHDF_; 104 AudioParam param_; 105 106 uint32_t timeInterval_ = 5; 107 sptr<Ashmem> ashmem_ = nullptr; 108 std::atomic<bool> isEnqueueRunning_ = false; 109 int32_t ashmemLength_ = -1; 110 int32_t lengthPerTrans_ = -1; 111 int32_t readIndex_ = -1; 112 int64_t frameIndex_ = 0; 113 int64_t startTime_ = 0; 114 uint64_t readNum_ = 0; 115 int64_t readTvSec_ = 0; 116 int64_t readTvNSec_ = 0; 117 std::thread enqueueDataThread_; 118 int64_t lastwriteStartTime_ = 0; 119 int32_t dhId_ = -1; 120 }; 121 } // DistributedHardware 122 } // OHOS 123 #endif // OHOS_DAUDIO_DSPEAKER_DEV_H