package com.whyc.hik.Commom;
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import java.io.*;
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public class CommonUtil {
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//SDK时间解析
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public static String parseTime(int time) {
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int year = (time >> 26) + 2000;
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int month = (time >> 22) & 15;
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int day = (time >> 17) & 31;
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int hour = (time >> 12) & 31;
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int min = (time >> 6) & 63;
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int second = (time >> 0) & 63;
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String sTime = year + "-" + month + "-" + day + "-" + hour + ":" + min + ":" + second;
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// System.out.println(sTime);
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return sTime;
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}
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//分辨率解析
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public static String parseResolution(int dwResolution) {
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int interlace = (((dwResolution) >> 28) & 0x1);
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int width = ((((dwResolution) >> 19) & 0x1ff) << 3); //宽
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int hight = ((((dwResolution) >> 8) & 0x7ff) << 1); //高
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int fps = ((dwResolution) & 0xff); //帧率
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String result = width + "*" + hight + "_" + fps;
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return result;
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}
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/**
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* 读取本地文件到数组中
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*
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* @param filename 本地文件
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* @return 返回读取到的数据到 byte数组
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* @throws IOException
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*/
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public static byte[] toByteArray(String filename) throws IOException {
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File file = new File(filename);
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if (!file.exists()) {
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throw new FileNotFoundException(filename);
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}
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ByteArrayOutputStream bos = new ByteArrayOutputStream((int) file.length());
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BufferedInputStream in = new BufferedInputStream(new FileInputStream(file));
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try {
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byte[] buffer = new byte[1024];
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int len;
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while (-1 != (len = in.read(buffer, 0, buffer.length))) {
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bos.write(buffer, 0, len);
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}
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return bos.toByteArray();
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} catch (IOException e) {
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e.printStackTrace();
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throw e;
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} finally {
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bos.close();
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in.close();
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}
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}
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}
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