Read a file and pipe it to this decoder.
function load(file, options) {
  var stream = fs.createReadStream(file, options);
  function onEnd() {
    this.emit('load');
  }
  function onError(err) {
    this.emit('error', err);
  }

  //stream.on('data', function onData(buf) {
    //console.dir('got buffer length: ' + buf.length);
  //})

  stream.on('end', onEnd.bind(this));
  stream.on('error', onError.bind(this));
  stream.pipe(this);
  return this;
}