1 /* 2 * Copyright (C) 2021 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 AVMETADATAHELPER_SERVICE_SERVER_H 17 #define AVMETADATAHELPER_SERVICE_SERVER_H 18 19 #include <mutex> 20 #include "i_avmetadatahelper_service.h" 21 #include "i_avmetadatahelper_engine.h" 22 #include "nocopyable.h" 23 #include "uri_helper.h" 24 #include "task_queue.h" 25 26 namespace OHOS { 27 namespace Media { 28 class AVMetadataHelperServer : public IAVMetadataHelperService, public NoCopyable { 29 public: 30 static std::shared_ptr<IAVMetadataHelperService> Create(); 31 AVMetadataHelperServer(); 32 virtual ~AVMetadataHelperServer(); 33 34 int32_t SetSource(const std::string &uri, int32_t usage) override; 35 int32_t SetSource(int32_t fd, int64_t offset, int64_t size, int32_t usage) override; 36 int32_t SetSource(const std::shared_ptr<IMediaDataSource> &dataSrc) override; 37 std::string ResolveMetadata(int32_t key) override; 38 std::unordered_map<int32_t, std::string> ResolveMetadata() override; 39 std::shared_ptr<Meta> GetAVMetadata() override; 40 std::shared_ptr<AVSharedMemory> FetchArtPicture() override; 41 std::shared_ptr<AVSharedMemory> FetchFrameAtTime(int64_t timeUs, 42 int32_t option, const OutputConfiguration ¶m) override; 43 std::shared_ptr<AVBuffer> FetchFrameYuv(int64_t timeUs, 44 int32_t option, const OutputConfiguration ¶m) override; 45 void Release() override; 46 int32_t SetHelperCallback(const std::shared_ptr<HelperCallback> &callback) override; 47 int32_t GetTimeByFrameIndex(uint32_t index, uint64_t &time) override; 48 int32_t GetFrameIndexByTime(uint64_t time, uint32_t &index) override; 49 50 private: 51 const std::string &GetStatusDescription(int32_t status); 52 void ChangeState(const HelperStates state); 53 void NotifyErrorCallback(int32_t code, const std::string msg); 54 void NotifyInfoCallback(HelperOnInfoType type, int32_t extra); 55 int32_t InitEngine(const std::string &uri); 56 57 int32_t appUid_; 58 std::shared_ptr<IAVMetadataHelperEngine> avMetadataHelperEngine_ = nullptr; 59 std::mutex mutex_; 60 std::unique_ptr<UriHelper> uriHelper_; 61 TaskQueue taskQue_; 62 std::shared_ptr<IMediaDataSource> dataSrc_ = nullptr; 63 bool isLiveStream_ = false; 64 struct ConfigInfo { 65 std::atomic<bool> looping = false; 66 float leftVolume = INVALID_VALUE; 67 float rightVolume = INVALID_VALUE; 68 std::string url; 69 } config_; 70 static constexpr float INVALID_VALUE = 2.0f; 71 72 std::shared_ptr<HelperCallback> helperCb_ = nullptr; 73 HelperStates currState_ = HelperStates::HELPER_IDLE; 74 std::mutex mutexCb_; 75 }; 76 } // namespace Media 77 } // namespace OHOS 78 #endif // AVMETADATAHELPER_SERVICE_SERVER_H 79