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70 lines
1.8 KiB
Common Lisp
70 lines
1.8 KiB
Common Lisp
;; system.lsp -- system-dependent lisp code
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; local definition for play
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; this one is for Mac OS-X:
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(if (not (boundp '*default-sf-format*))
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(setf *default-sf-format* snd-head-wave))
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(if (not (boundp '*default-sound-file*))
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(compute-default-sound-file))
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(if (not (boundp '*default-sf-dir*))
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(setf *default-sf-dir* "/tmp"))
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(format t "*default-sf-dir* (default sound file directory) is ~A~%"
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*default-sf-dir*)
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(if (not (boundp '*default-sf-mode*))
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(setf *default-sf-mode* snd-mode-pcm))
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(if (not (boundp '*default-sf-bits*))
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(setf *default-sf-bits* 16))
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(if (not (boundp '*default-plot-file*))
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(setf *default-plot-file* (strcat (get-user) "-points.dat")))
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; FULL-NAME-P -- test if file name is a full path or relative path
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;
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; (otherwise the *default-sf-dir* will be prepended
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;
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(defun full-name-p (filename)
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(or (eq (char filename 0) #\/)
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(eq (char filename 0) #\.)))
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; RELATIVE-PATH-P -- test if filename or path is a relative path
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;
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(defun relative-path-p (filename)
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(not (eq (char filename 0) #\/)))
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(setf *file-separator* #\/)
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;; PLAY-FILE - play a sound file
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;;
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(defun play-file (name)
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(s-save (s-read name) NY:ALL "" :play t))
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;; R - replay last file written with PLAY
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(defun r () (play-file *default-sound-file*))
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;;;; use this old version if you want to use sndplay to play
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;;;; the result file rather than play the samples as they
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;;;; are computed. This version does not autonormalize.
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;; PLAY - write value of an expression to file and play it
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;;
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;(defmacro play (expr)
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; `(prog (specs)
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; (setf specs (s-save (force-srate *sound-srate* ,expr)
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; 1000000000 *default-sound-file*))
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; (r)))
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;;;;
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; local definition for play
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(defmacro play (expr)
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`(s-save-autonorm ,expr NY:ALL *default-sound-file* :play *soundenable*))
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;; use standard s-plot
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