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- ; system.lsp -- machine/system-dependent definitions
-
- ;; default behavior is to call SETUP-CONSOLE to get large white typescript
- ;;
- ;; set *setup-console* to nil in your personal init.lsp to override this behavior
- ;; (this may be necessary to work with emacs)
- ;;
- (if (not (boundp '*setup-console*)) (setf *setup-console* t))
- (if *setup-console* (setup-console))
-
- (setf ny:bigendianp nil)
-
- (if (not (boundp '*default-sf-format*))
- (setf *default-sf-format* snd-head-Wave))
-
- ;(if (not (boundp '*default-sound-file*))
- ; (setf *default-sound-file* "temp.wav"))
-
- ;(if (not (boundp '*default-sf-dir*))
- ; (setf *default-sf-dir* ""))
-
- (if (not (boundp '*default-sf-mode*))
- (setf *default-sf-mode* snd-head-mode-pcm))
-
- (if (not (boundp '*default-sf-bits*))
- (setf *default-sf-bits* 16))
-
- ;(if (not (boundp '*default-plot-file*))
- ; (setf *default-plot-file* "points.dat"))
-
- ;(if (not (boundp '*plotscript-file*))
- ; (setf *plotscript-file* "sys/unix/rs6k/plotscript"))
-
- ; local definition for play
- ;(defmacro play (expr)
- ; `(s-save-autonorm ,expr NY:ALL *default-sound-file* :play *soundenable*))
-
-
- ;(defun r ()
- ; (s-save (s-read *default-sound-file*) NY:ALL "" :play t)
- ;)
-
-
- ; PLAY-FILE -- play a file
- ;(defun play-file (name)
- ; (s-save (s-read name) NY:ALL "" :play t))
-
-
- ; FULL-NAME-P -- test if file name is a full path or relative path
- ;
- ; (otherwise the *default-sf-dir* will be prepended
- ;
- (defun full-name-p (filename)
- (or (eq (char filename 0) #\\)
- (eq (char filename 0) #\.)
- (and (> (length filename) 2)
- (both-case-p (char filename 0))
- (equal (char filename 1) #\:))))
-
- (setf *file-separator* #\\)
-
- ;(defun ny:load-file () (load "*.*"))
- ;(defun ny:reload-file () (load "*"))
-
-
- ; save the standard function to write points to a file
- ;
- ;(setfn s-plot-points s-plot)
-
- ;(defun array-max-abs (points)
- ; (let ((m 0.0))
- ; (dotimes (i (length points))
- ; (setf m (max m (abs (aref points i)))))
- ; m))
-
- ;(setf graph-width 600)
- ;(setf graph-height 220)
-
- ;(defun s-plot (snd &optional (n 600))
- ; (show-graphics)
- ; (clear-graphics)
- ; (cond ((soundp snd)
- ; (s-plot-2 snd n (/ graph-height 2) graph-height))
- ; (t
- ; (let ((gh (/ graph-height (length snd)))
- ; hs)
- ; (dotimes (i (length snd))
- ; (setf hs (s-plot-2 (aref snd i) n (+ (/ gh 2) (* i gh)) gh hs)))))))
- ;
- ;
- ;(defun s-plot-2 (snd n y-offset graph-height horizontal-scale)
- ; (prog ((points (snd-samples snd n))
- ; maxpoint horizontal-scale vertical-scale)
- ; (setf maxpoint (array-max-abs points))
- ; (moveto 0 y-offset)
- ; (lineto graph-width y-offset)
- ; (moveto 0 y-offset)
- ; (cond ((null horizontal-scale)
- ; (setf horizontal-scale (/ (float graph-width) (length points)))))
- ; (setf vertical-scale (- (/ (float graph-height) 2 maxpoint)))
- ; (dotimes (i (length points))
- ; (lineto (truncate (* horizontal-scale i))
- ; (+ y-offset (truncate (* vertical-scale (aref points i))))))
- ; (format t "X Axis: ~A to ~A (seconds)\n" (snd-t0 snd) (/ (length points) (snd-srate snd)))
- ; (format t "Y Axis: ~A to ~A\n" (- maxpoint) maxpoint)
- ; (format t "~A samples plotted.\n" (length points))
- ; (return horizontal-scale)
- ; ))
- ;
- ; S-EDIT - run the audio editor on a sound
- ;
- ;(defmacro s-edit (&optional expr)
- ; `(prog ()
- ; (if ,expr (s-save ,expr 1000000000 *default-sound-file*))
- ; (system (format nil "audio_editor ~A &"
- ; (soundfilename *default-sound-file*)))))
-
-