1 /* 2 * Copyright (c) 2025 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 HW_CAST_DATA_SOURCE_DESCRIPTOR_H 17 #define HW_CAST_DATA_SOURCE_DESCRIPTOR_H 18 19 #include "cast_data_source.h" 20 21 namespace OHOS { 22 namespace AVSession { 23 24 class HwCastDataSourceDescriptor : public CastEngine::ICastDataSource { 25 public: 26 virtual ~HwCastDataSourceDescriptor(); 27 int32_t ReadAt(const std::shared_ptr<CastEngine::CastSharedMemory> &mem, uint32_t length, 28 int64_t pos = -1) override; 29 int32_t GetSize(int64_t &size) override; 30 void SetCallback(std::function<int32_t(void*, uint32_t, int64_t)> callback); 31 void SetSize(int64_t size); 32 33 private: 34 std::function<int32_t(void*, uint32_t, int64_t)> callback_ = nullptr; 35 int64_t size_ = 0; 36 }; 37 } // namespace AVSession 38 } // namespace OHOS 39 #endif // HW_CAST_DATA_SOURCE_DESCRIPTOR_H