1 /* 2 * Copyright (c) 2021-2021 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 HISTREAMER_STREAM_SOURCE_PLUGIN_H 17 #define HISTREAMER_STREAM_SOURCE_PLUGIN_H 18 19 #include "data_stream.h" 20 #include "plugin/common/plugin_types.h" 21 #include "plugin/interface/source_plugin.h" 22 23 namespace OHOS { 24 namespace Media { 25 namespace Plugin { 26 namespace StreamSource { 27 class StreamSourcePlugin : public SourcePlugin, std::enable_shared_from_this<StreamSourcePlugin> { 28 public: 29 explicit StreamSourcePlugin(std::string name); 30 ~StreamSourcePlugin(); 31 32 Status Init() override; 33 Status Deinit() override; 34 Status Prepare() override; 35 Status Reset() override; 36 Status Start() override; 37 Status Stop() override; 38 Status GetParameter(Tag tag, ValueType& value) override; 39 Status SetParameter(Tag tag, const ValueType& value) override; 40 Status SetCallback(Callback* cb) override; 41 Status SetSource(std::shared_ptr<MediaSource> source) override; 42 Status Read(std::shared_ptr<Buffer>& buffer, size_t expectedLen) override; 43 Status GetSize(uint64_t& size) override; 44 Seekable GetSeekable() override; 45 Status SeekTo(uint64_t offset) override; 46 47 private: 48 std::shared_ptr<Buffer> WrapDataBuffer(const std::shared_ptr<DataBuffer>& dataBuffer); 49 50 private: 51 Seekable seekable_ {Seekable::UNSEEKABLE}; 52 std::shared_ptr<DataConsumer> stream_ {nullptr}; 53 }; 54 } // namespace StreamSource 55 } // namespace Plugin 56 } // namespace Media 57 } // namespace OHOS 58 59 #endif // HISTREAMER_STREAM_SOURCE_PLUGIN_H 60