[Fiasco]

HOOORAY!!!!!

How to convert the path + filename to the CRC code for thumbnails in javascript.

Call from javascript:

var thumbcrc = FindCRC( "C:\Movie\Adventures Of Ford Fairlane.iso");

Code:

Number.prototype.unsign = function(bytes) {
  return this >= 0 ? this : Math.pow(256, bytes || 4) + this;
};

function FindCRC(data) {
  var CRC=0xffffffff;
  data = data.toLowerCase();
  for (var j=0; j<data.length; j++) {
    var c = data.charCodeAt(j);
    CRC ^= c << 24;
    for(var i = 0; i<8; i++) {
        if(CRC.unsign(8) & 0x80000000) {
          CRC = (CRC << 1) ^ 0x04C11DB7;
        } else{
          CRC <<= 1;
        }
     }
  }
  if ( CRC < 0 ) CRC = CRC>>>0;
  return CRC.toString(16);
}