How to use

copy

method

in

org.jcodec.common.NIOUtils

  public void copy(SeekableByteChannel input, WritableByteChannel out) throws IOException {
    input.position(offset);
    NIOUtils.copy(input, out, header.getSize());
  }
}

  public void copy(SeekableByteChannel input, WritableByteChannel out) throws IOException {
    input.position(offset);
    NIOUtils.copy(input, out, header.getSize());
  }
}