新接入FaceUnity美颜SDK

FaceUnity/src/main/java/com/yunbao/faceunity/utils/FPSUtil.java

@@ -0,0 +1,63 @@
+package com.yunbao.faceunity.utils;
+
+/**
+ * FPS工具类
+ * Created by tujh on 2018/5/24.
+ */
+public class FPSUtil {
+    private static final int NANO_IN_ONE_MILLI_SECOND = 1000000;
+    private static final int NANO_IN_ONE_SECOND = 1000 * NANO_IN_ONE_MILLI_SECOND;
+
+    private static long sLastFrameTimeStamp = 0;
+
+    /**
+     * 每帧都计算
+     *
+     * @return
+     */
+    public static double fps() {
+        long tmp = System.nanoTime();
+        double fps = ((double) NANO_IN_ONE_SECOND) / (tmp - sLastFrameTimeStamp);
+        sLastFrameTimeStamp = tmp;
+//        Log.e(TAG, "FPS : " + fps);
+        return fps;
+    }
+
+    private static long mStartTime = 0;
+
+    /**
+     * 平均值
+     *
+     * @return
+     */
+    public static double fpsAVG(int time) {
+        long tmp = System.nanoTime();
+        double fps = ((double) NANO_IN_ONE_SECOND) * time / (tmp - mStartTime);
+        mStartTime = tmp;
+//        Log.e(TAG, "FPS : " + fps);
+        return fps;
+    }
+
+    private long mLimitMinTime = 33333333;
+    private long mLimitStartTime;
+    private int mLimitFrameRate;
+
+    public void setLimitMinTime(long limitMinTime) {
+        mLimitMinTime = limitMinTime;
+    }
+
+    public void limit() {
+        try {
+            if (mLimitFrameRate == 0 || mLimitFrameRate > 600000) {
+                mLimitStartTime = System.nanoTime();
+                mLimitFrameRate = 0;
+            }
+            long sleepTime = mLimitMinTime * mLimitFrameRate++ - (System.nanoTime() - mLimitStartTime);
+            if (sleepTime > 0) {
+                Thread.sleep(sleepTime / NANO_IN_ONE_MILLI_SECOND, (int) (sleepTime % NANO_IN_ONE_MILLI_SECOND));
+            }
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}