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_PIPELINE_CORE_CLOCK_PROVIDER_H 17 #define HISTREAMER_PIPELINE_CORE_CLOCK_PROVIDER_H 18 19 #include <cstdint> 20 #include "foundation/error_code.h" 21 22 namespace OHOS { 23 namespace Media { 24 namespace Pipeline { 25 class ClockProvider { 26 public: 27 virtual ~ClockProvider() = default; 28 virtual ErrorCode CheckPts(int64_t pts, int64_t& delta) = 0; 29 virtual ErrorCode GetCurrentPosition(int64_t& position) = 0; 30 virtual ErrorCode GetCurrentTimeNano(int64_t& nowNano) = 0; 31 }; 32 } // Pipeline 33 } // Media 34 } // OHOS 35 #endif // HISTREAMER_PIPELINE_CORE_CLOCK_PROVIDER_H 36