code: public int calcLength() {
          int bits = STREAMINFO_MIN_BLOCK_SIZE_LEN 
                     + STREAMINFO_MAX_BLOCK_SIZE_LEN
                     + STREAMINFO_MIN_FRAME_SIZE_LEN
                     + STREAMINFO_MAX_FRAME_SIZE_LEN
                     + STREAMINFO_SAMPLE_RATE_LEN
                     + STREAMINFO_CHANNELS_LEN
                     + STREAMINFO_BITS_PER_SAMPLE_LEN
                     + STREAMINFO_TOTAL_SAMPLES_LEN
                     + (md5sum.length * 8);
          return ((bits + 7) / 8);
      }
docs: Calculate the metadata block size.
  @return The metadata block size