The items below are not sorted in any order.

 * Fix bugs.
 * Use the standard getopt() interface for parsing command-line options.
   Add options for all DCAENC_FLAG_* defines.
 * Convert the encoder from fixed point back to floating point. This will
   simplify the code.
 * Convert the ALSA plugin from extplug to ioplug. This will fix the bug with
   incorrect reporting of the supported sample rates.
 * Implement the ADPCM part of the DTS specification. This will improve sound
   quality.
 * Add helper programs for use of the encoder with JACK or OSS4.
