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andrewleo
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package com.netease.qa.emmagee.utils; | ||
|
|
||
| import java.io.BufferedReader; | ||
| import java.io.DataOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStreamReader; | ||
|
|
||
| public class FpsInfo { | ||
|
|
||
| private static Process process; | ||
| private static BufferedReader ir; | ||
| private static DataOutputStream os = null; | ||
| private static long startTime = 0L; | ||
| private static int lastFrameNum = 0; | ||
|
|
||
| /** | ||
| * get frame per second | ||
| * @return frame per second | ||
| */ | ||
| public static float fps() { | ||
| long nowTime = System.nanoTime(); | ||
| float f = (float) (nowTime - startTime) / 1000000.0F; | ||
| startTime = nowTime; | ||
| int nowFrameNum = getFrameNum(); | ||
| final float fps = Math.round((nowFrameNum - lastFrameNum) * 1000 / f); | ||
| lastFrameNum = nowFrameNum; | ||
| return fps; | ||
| } | ||
|
|
||
| /** | ||
| * get frame value | ||
| * | ||
| * @return frame value | ||
| */ | ||
| public static final int getFrameNum() { | ||
| try { | ||
| if (process == null) { | ||
| process = Runtime.getRuntime().exec("su"); | ||
| os = new DataOutputStream(process.getOutputStream()); | ||
| ir = new BufferedReader(new InputStreamReader( | ||
| process.getInputStream())); | ||
| } | ||
| os.writeBytes("service call SurfaceFlinger 1013" + "\n"); | ||
| os.flush(); | ||
| String str1 = ir.readLine(); | ||
| if (str1 == null) { | ||
| return -1; | ||
| } | ||
| int start = str1.indexOf("("); | ||
| int end = str1.indexOf(" "); | ||
| if ((start != -1) & (end > start)) { | ||
| String str2 = str1.substring(start + 1, end); | ||
| return Integer.parseInt((String) str2, 16); | ||
| } | ||
| return -1; | ||
| } catch (IOException e) { | ||
| e.printStackTrace(); | ||
| return -1; | ||
| } | ||
| } | ||
| } |