- <dl class="legend legend-types">
- <dt class="ci">osd
- <dd>Print information or change display.
- <dt class="pm">subtitles
- <dd>Alter subtitle selection and settings.
- <dt class="co">video
- <dd>Video output adjustment.
- <dt class="mi">audio
- <dd>Sound (track) configuration.
- <dt class="mo">playback
- <dd>Playback control.
- <dt class="me">general
- <dd>Other MPlayer features.
- </dl>