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

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