1 /* 2 * Copyright (c) 2024, Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included 12 * in all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 //! 24 //! \file vp_frametracker.h 25 //! \brief vp frame tracker. 26 //! 27 #ifndef __VP_FRAMETRACKER_H__ 28 #define __VP_FRAMETRACKER_H__ 29 #include <chrono> 30 #include <stack> 31 #include "mos_defs.h" 32 #include "vp_utils.h" 33 34 namespace vp 35 { 36 using Clock = std::chrono::high_resolution_clock; 37 using TimePoint = Clock::time_point; 38 39 #define FRAME_TRACING_BEGIN 2 //Skip first 2 frames. Tuning the value can change skipped frame 40 #define FRAME_TRACING_PERIOD 5 //Calbrate FPS with 5 frames, can enlarge/decrease calculation window 41 #define MAX_FRAME_TRACING (FRAME_TRACING_BEGIN + FRAME_TRACING_PERIOD + 1) 42 #define FPS60_THRESHOLD 33 // 60FPS threshold. Can tune this value according to different senario 43 44 class VpFrameTracker 45 { 46 public: 47 VpFrameTracker(); 48 ~VpFrameTracker()49 virtual ~VpFrameTracker() 50 { 51 m_startTimeQueue.clear(); 52 }; 53 54 virtual MOS_STATUS UpdateFPS(); 55 56 virtual bool Is60Fps(); 57 GetFPS()58 double GetFPS() 59 { 60 std::chrono::duration<double> elapsed = m_startTimeQueue.back() - m_startTimeQueue.front(); 61 62 if (m_startTimeQueue.size() != (FRAME_TRACING_PERIOD + 1)) 63 { 64 VP_RENDER_ASSERTMESSAGE("Frame tracker queue size is not correct!"); 65 VP_RENDER_ASSERT(m_startTimeQueue.size() == (FRAME_TRACING_PERIOD + 1)); 66 } 67 68 return ((1.0 / elapsed.count()) * FRAME_TRACING_PERIOD); 69 } 70 71 protected: 72 73 int m_numberOfFrames; 74 std::deque<TimePoint> m_startTimeQueue; 75 bool m_isEnabled = false; 76 77 MEDIA_CLASS_DEFINE_END(vp__VpFrameTracker) 78 }; 79 80 } // namespace vp 81 #endif // !__VP_FRAMETRACKER_H__ 82