55 lines
1.5 KiB
C#
55 lines
1.5 KiB
C#
|
using System;
|
|||
|
|
using System.Diagnostics;
|
|||
|
|
|
|||
|
|
namespace AxiReplay
|
|||
|
|
{
|
|||
|
|
public partial class FrameProfiler
|
|||
|
|
{
|
|||
|
|
private int m_headFrame;
|
|||
|
|
private int m_cacheCount;
|
|||
|
|
private int m_targetFrameRate;
|
|||
|
|
private RingBuffer<double> m_timePoints;
|
|||
|
|
private double m_lastTime;
|
|||
|
|
|
|||
|
|
private Stopwatch sw;
|
|||
|
|
|
|||
|
|
public void InputHead(int headFrame)
|
|||
|
|
{
|
|||
|
|
m_headFrame = headFrame;
|
|||
|
|
var currentTimeMs = GetCurrTime();
|
|||
|
|
|
|||
|
|
if (m_timePoints.Available() == 60)
|
|||
|
|
CalcCacheCount();
|
|||
|
|
m_timePoints.Write(currentTimeMs - m_lastTime);
|
|||
|
|
|
|||
|
|
m_lastTime = currentTimeMs;
|
|||
|
|
}
|
|||
|
|
public void Reset(int targetFrameRate = 60)
|
|||
|
|
{
|
|||
|
|
if (sw != null) sw.Stop();
|
|||
|
|
|
|||
|
|
sw = Stopwatch.StartNew();
|
|||
|
|
m_timePoints = new RingBuffer<double>(targetFrameRate);
|
|||
|
|
m_lastTime = 0;
|
|||
|
|
m_targetFrameRate = targetFrameRate;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void CalcCacheCount()
|
|||
|
|
{
|
|||
|
|
double deltaMax = 0;
|
|||
|
|
while (m_timePoints.TryRead(out double delta))
|
|||
|
|
{
|
|||
|
|
deltaMax = Math.Max(deltaMax, delta);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int minCacheCount = (int)Math.Ceiling(deltaMax * m_targetFrameRate);
|
|||
|
|
m_cacheCount = minCacheCount;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
double GetCurrTime()
|
|||
|
|
{
|
|||
|
|
if (sw == null) return 0;
|
|||
|
|
return sw.Elapsed.TotalMilliseconds;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|