@@ 362,6 362,7 @@ structure SummarisingWaveformRenderer :
fun new { source, durationHint } =
let val towerArg = { sources = [ source ],
durationHint = durationHint,
+ seekDistanceHint = NONE,
spans = [ 32, 256, 4096, 65536 ],
(* Has to be IN_MEMORY, because file
backing hasn't been implemented for