Rockbox

This was inspired by a forum thread (can’t find it now, but the OP asked to play all tracks from the currently playing album at the press of a button IIRC).

While I liked the idea (I often listen to tracks at random and come across a track that I wish to hear in the context of the whole album) the access to the functionality is not generic enough and too limiting (available spare buttons etc).

Instead the presented solution allows the use of two place holders (#album# #artist#) in conditional clauses in the tagnavi*.config. Similar to user input, where the user can enter arbitrary values at runtime, it takes the text string to use in the clause from the currently playing track. If no tack is playing or the relevant tag is empty/does not exist, it will prompt for user input.

This gives the full power of the database to the formatting and sorting of the track listing. As with all database results the tracks can be inserted, queued, inserted randomly etc.

Entries in the tagnavi*.config can look like for example

%menu_start “same” “Same as current” “Artist” → artist ? artist = “#artist#” → album → title = fmt_title” “Album” → album ? album = “#album#” → title = “fmt_title”

but more sophisticated searches are possible. It would be easy to extent the patch to other tags, but I can’t see a use (perhaps #title# to find all cover versions?).