}
vb = new vorbis_block(vd);
java.util.Random generator = new java.util.Random(); // need to randomize seed
os = new ogg_stream_state(generator.nextInt(256));
System.out.print("Writing header.");
ogg_packet header = new ogg_packet();
ogg_packet header_comm = new ogg_packet();
ogg_packet header_code = new ogg_packet();