misc/tools/NexuizDemoRecorder/main/src/main/java/com/nexuiz/demorecorder/application/democutter/DemoCutterUtils.java

   1 package com.nexuiz.demorecorder.application.democutter;
   2 import java.nio.ByteBuffer;
   3 import java.nio.ByteOrder;
   4
   5
   6 public class DemoCutterUtils {
   7
   8         public static float byteArrayToFloat(byte[] array) {
   9                 byte[] tmp = new byte[4];
  10                 System.arraycopy(array, 0, tmp, 0, 4);
  11                 int accum = 0;
  12                 int i = 0;
  13                 for (int shiftBy = 0; shiftBy < 32; shiftBy += 8) {
  14                         accum |= ((long) (tmp[i++] & 0xff)) << shiftBy;
  15                 }
  16                 return Float.intBitsToFloat(accum);
  17         }
  18
  19         public static byte[] convertLittleEndian(int i) {
  20                 ByteBuffer bb = ByteBuffer.allocate(4);
  21                 bb.order(ByteOrder.LITTLE_ENDIAN);
  22                 bb.putInt(i);
  23                 return bb.array();
  24         }
  25
  26         public static byte[] mergeByteArrays(byte[] array1, byte[] array2) {
  27                 ByteBuffer bb = ByteBuffer.allocate(array1.length + array2.length);
  28                 bb.put(array1);
  29                 bb.put(array2);
  30                 return bb.array();
  31         }
  32
  33         public static int convertLittleEndian(byte[] b) {
  34                 ByteBuffer bb = ByteBuffer.allocate(4);
  35                 bb.order(ByteOrder.LITTLE_ENDIAN);
  36                 bb.put(b);
  37                 bb.position(0);
  38                 return bb.getInt();
  39         }
  40 }