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_STEADY_CLOCK_H 17 #define HISTREAMER_STEADY_CLOCK_H 18 19 #include <chrono> 20 #if defined(PROFILE) 21 #include "foundation/log.h" 22 #endif 23 24 namespace OHOS { 25 namespace Media { 26 class SteadyClock { 27 public: 28 static int64_t GetCurrentTimeMs(); 29 static int64_t GetCurrentTimeNanoSec(); 30 SteadyClock(); 31 ~SteadyClock() = default; 32 void Reset(); 33 int64_t ElapsedMilliseconds(); 34 int64_t ElapsedMicroseconds(); 35 int64_t ElapsedNanoseconds(); 36 int64_t ElapsedSeconds(); 37 38 private: 39 std::chrono::time_point<std::chrono::high_resolution_clock> begin_; 40 }; 41 } // namespace Media 42 } // namespace OHOS 43 44 #if defined(PROFILE) 45 #define PROFILE_BEGIN(message, ...) \ 46 do { \ 47 MEDIA_LOG_I(message ", timestamp(ms): " PUBLIC_LOG_D64, ##__VA_ARGS__, SteadyClock::GetCurrentTimeMs()); \ 48 } while (0); \ 49 OHOS::Media::SteadyClock _steadyClock; 50 #define PROFILE_RESET() _steadyClock.Reset() 51 52 #define PROFILE_END(message, ...) \ 53 do { \ 54 MEDIA_LOG_I(message ", timestamp(ms): " PUBLIC_LOG_D64 ", duration(ms): " PUBLIC_LOG_D64, \ 55 ##__VA_ARGS__, SteadyClock::GetCurrentTimeMs(), _steadyClock.ElapsedMilliseconds()); \ 56 } while (0) 57 58 #else 59 #define PROFILE_BEGIN(message, ...) 60 #define PROFILE_RESET() 61 #define PROFILE_END(message, ...) 62 #endif 63 64 #endif // HISTREAMER_STEADY_CLOCK_H 65