On Fri, 7 Nov 2008, Esben Stien wrote:
> In loop mode, I have
>
> (make-selection 1000 2000)
>
> ..so that it loops between these sample points.
>
> If I update the selection while playing, Snd will not loop the new
> selection, but continue with the old selection. I have to stop first
> and then hit play for the change to take effect.
>
> Any way to avoid this?
>
I think the function c-set-selection! should fix this problem:
(define* (c-set-selection! snd ch start end #:optional (dassync (c-sync? snd)))
(c-set-selection-position! snd ch start dassync)
(c-set-selection-frames! snd ch (- end start -1) dassync))
You can make a c-make-selection function like this:
(define (c-make-selection start end)
(c-set-selection! (c-selected-sound) (selected-channel
(c-selected-sound)) start end))
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