MUSIC CALC TRACK LENGTH (Myth Protocol)
Command arguments: none
List arguments: <hostname> <songid>
22 ERROR: slave not found
This command will update the track length of a music track by decoding the track to determine its exact length. The command will run mythutil --calctracklen to do the update and will return immediately. mythutil will send a MUSIC_METADATA_CHANGED <songid> event on success to let all clients know the metadata for the indicated track has changed. The master backend will forward the command to a slave for processing if the track is on a slave.
An OK or ERROR response.