#compdef opusenc opusdec opusinfo

case $service in
  opusenc)
    _arguments -S \
      '1:input file:_files -g "*.(#i)(wav|flac|ogg|aif(|f))(-.)"' \
      '2:output file:_files -g "*.(#i)opus(-.)"' \
      '(- 1 *)'{-h,--help}'[show usage information]' \
      '(- 1 *)'{-V,--version}'[show version information]' \
      '(- 1 *)--help-picture[show help on attaching album art]' \
      '--quiet[enable quiet mode]' \
      '--bitrate[set target bitrate per channel]:target bitrate per channel (kbps) (6-256)' \
      '--comp[set encoding complexity]:encoding complexity (1-10) [10]:(1 2 3 4 5 6 7 8 9 10)' \
      '--cvbr[use constrained variable bitrate encoding]' \
      '--downmix-mono[downmix to mono]' \
      '--downmix-stereo[downmix to stereo (if >2 channels)]' \
      '--expect-loss[set expected packet loss]:expected packet loss (%%) (0-100) [0]' \
      '--framesize[set maximum frame size]:maximum frame size (milliseconds) [20]:(2.5 5 10 20 40 60)' \
      '--hard-cbr[use hard constant bitrate encoding]' \
      '--max-delay[set maximum container delay]:maximum container delay (milliseconds) (0-1000) [1000]' \
      '--music[tune low bitrates for music (override automatic detection)]' \
      '--no-phase-inv[disable use of phase inversion for intensity stereo]' \
      '--speech[tune low bitrates for speech (override automatic detection)]' \
      '--vbr[use variable bitrate encoding (default)]' \
      '--album[set album or collection]:album or collection' \
      '--date[set date of track]:date of track (YYYY, YYYY-MM, or YYYY-MM-DD):_dates -f "%F"' \
      '--discard-comments[discard metadata when transcoding]' \
      '--discard-pictures[discard pictures when transcoding]' \
      '--padding[reserve extra bytes for metadata]:padding size (bytes) [512]' \
      '--title[set track title]:track title' \
      '--tracknumber[set track number]:track number' \
      '*--artist[add artist or author]:artist or author' \
      '*--comment[add an extra comment]:comment (tag=val)' \
      '*--genre[add genre]:genre' \
      '*--picture[attach album art]:album art:_files -g "*.(#i)(jp(|e)g|png|gif)(-.)"' \
      '--ignorelength[ignore the data length in RIFF wav headers]' \
      '--raw-bits[set bits per sample for raw input]:bits per sample [16]:(8 16 24)' \
      '--raw-chan[set number of channels for raw input]:number of channels (1-255) [2]' \
      '--raw-endianness[set endianness for raw input]:endianness:(("0"\:"big endian" "1"\:"little endian"))' \
      '--raw-rate[set sampling rate for raw input]:sample rate (Hz) (100-768000) [48000]' \
      '--raw[interpret input as raw PCM data without headers]' \
      '--serial[force use of a specific stream serial number]:stream serial number' \
      '--save-range[save check values for every frame to a file]:output for check values:_files' \
      '--set-ctl-int[pass encoder control]:encoder control'
  ;;
  opusdec)
    _arguments -S \
      '1:input file:_files -g "*.(#i)opus(-.)"' \
      '2::output file:_files -g "*.(#i)wav(-.)"' \
      '(- 1 *)'{-h,--help}'[show usage information]' \
      '(- 1 *)'{-V,--version}'[show version information]' \
      '(- 1 *)--help-picture[show help on attaching album art]' \
      '--quiet[enable quiet mode]' \
      '--rate[force decoding at given sample rate]:sample rate (Hz) (8000-192000)' \
      '--force-stereo[force decoding to stereo]' \
      '--gain[adjust output volume]:gain (dB) (negative is quieter)' \
      '--no-dither[do not dither 16-bit output]' \
      '--float[output 32-bit floating-point samples]' \
      '--force-wav[force RIFF wav header on output]' \
      '--packet-loss[simulate random packet loss]:packet loss probability (%%) (0-100)' \
      '--save-range[save check values for every frame to a file]:output for check values:_files'
  ;;
  opusinfo)
    _arguments -s -S \
      '(- 1 *)-h[show usage information]' \
      '(- 1 *)-V[show version information]' \
      '*-q[make the output quieter]' \
      '*-v[make the output more verbose]' \
      '*:opus file:_files -g "*.(#i)opus(-.)"'
  ;;
esac