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_DSPEAKER_DEV_H 17 #define OHOS_DSPEAKER_DEV_H 18 19 #include <condition_variable> 20 #include <set> 21 #include <thread> 22 #include "cJSON.h" 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 namespace OHOS { 36 namespace DistributedHardware { 37 class DSpeakerDev : public DAudioIoDev, 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 : DAudioIoDev(devId), audioEventCallback_(callback) {}; 44 ~DSpeakerDev() override = default; 45 46 void OnEngineTransEvent(const AVTransEvent &event) override; 47 void OnEngineTransMessage(const std::shared_ptr<AVTransMessage> &message) override; 48 49 int32_t InitReceiverEngine(IAVEngineProvider *providerPtr) override; 50 int32_t InitSenderEngine(IAVEngineProvider *providerPtr) override; 51 52 int32_t EnableDevice(const int32_t dhId, const std::string &capability) override; 53 int32_t DisableDevice(const int32_t dhId) override; 54 int32_t CreateStream(const int32_t streamId) override; 55 int32_t DestroyStream(const int32_t streamId) override; 56 int32_t SetParameters(const int32_t streamId, const AudioParamHDF ¶m) override; 57 int32_t WriteStreamData(const int32_t streamId, std::shared_ptr<AudioData> &data) override; 58 int32_t ReadStreamData(const int32_t streamId, std::shared_ptr<AudioData> &data) override; 59 int32_t NotifyEvent(const int32_t streamId, const AudioEvent &event) override; 60 int32_t ReadMmapPosition(const int32_t streamId, uint64_t &frames, CurrentTimeHDF &time) override; 61 int32_t RefreshAshmemInfo(const int32_t streamId, 62 int32_t fd, int32_t ashmemLength, int32_t lengthPerTrans) override; 63 64 int32_t MmapStart() override; 65 int32_t MmapStop() override; 66 67 int32_t OnStateChange(const AudioEventType type) override; 68 int32_t OnDecodeTransDataDone(const std::shared_ptr<AudioData> &audioData) override; 69 70 int32_t SetUp() override; 71 int32_t Start() override; 72 int32_t Stop() override; 73 int32_t Release() override; 74 bool IsOpened() override; 75 int32_t Pause() override; 76 int32_t Restart() override; 77 int32_t SendMessage(uint32_t type, std::string content, std::string dstDevId) override; 78 79 AudioParam GetAudioParam() const override; 80 int32_t NotifyHdfAudioEvent(const AudioEvent &event, const int32_t portId) override; 81 82 private: 83 void EnqueueThread(); 84 85 private: 86 static constexpr const char* ENQUEUE_THREAD = "spkEnqueueTh"; 87 const std::string SPK_DEV_FILENAME = "dump_source_spk_write_to_trans.pcm"; 88 const std::string SPK_LOWLATENCY_FILENAME = "dump_source_spk_fast_read_from_ashmem.pcm"; 89 const int32_t ASHMEM_MAX_LEN = 2 * 4096; 90 91 std::weak_ptr<IAudioEventCallback> audioEventCallback_; 92 std::mutex channelWaitMutex_; 93 std::condition_variable channelWaitCond_; 94 std::atomic<bool> isTransReady_ = false; 95 std::atomic<bool> isOpened_ = false; 96 int32_t curPort_ = 0; 97 int32_t streamId_ = 0; 98 std::shared_ptr<IAudioDataTransport> speakerTrans_ = nullptr; 99 100 // Speaker render parameters 101 AudioParamHDF paramHDF_; 102 AudioParam param_; 103 104 sptr<Ashmem> ashmem_ = nullptr; 105 std::atomic<bool> isEnqueueRunning_ = false; 106 int32_t ashmemLength_ = -1; 107 int32_t lengthPerTrans_ = -1; 108 int32_t readIndex_ = -1; 109 int64_t frameIndex_ = 0; 110 int64_t startTime_ = 0; 111 uint64_t readNum_ = 0; 112 int64_t readTvSec_ = 0; 113 int64_t readTvNSec_ = 0; 114 std::thread enqueueDataThread_; 115 int64_t lastwriteStartTime_ = 0; 116 int32_t dhId_ = -1; 117 FILE *dumpFileCommn_ = nullptr; 118 FILE *dumpFileFast_ = nullptr; 119 }; 120 } // DistributedHardware 121 } // OHOS 122 #endif // OHOS_DAUDIO_DSPEAKER_DEV_H