1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
;; nyqmisc.lsp -- misc functions for nyquist
(init-global *snd-display-max-samples* 10000)
(init-global *snd-display-print-samples* 100)
; (snd-display sound) -- describe a sound
(defun snd-display (sound)
(let (t0 srate len extent dur samples)
(setf t0 (snd-t0 sound))
(setf srate (snd-srate sound))
(setf len (snd-length sound *snd-display-max-samples*))
(cond ((= len *snd-display-max-samples*)
(setf extent "unknown")
(setf dur extent))
(t
(setf extent (cadr (snd-extent sound *snd-display-max-samples*)))
(setf dur (/ (snd-length sound *snd-display-max-samples*) srate))))
(cond ((> len 100)
(setf samples (format nil "1st ~A samples"
*snd-display-print-samples*))
(setf nsamples *snd-display-print-samples*))
(t
(setf samples (format nil "~A samples" len))
(setf nsamples len)))
(format t "~A: srate ~A, t0 ~A, extent ~A, dur ~A, ~A: ~A~%"
sound srate t0 extent dur samples (snd-samples sound nsamples))))
|
