mirror of
https://github.com/cookiengineer/audacity
synced 2025-05-04 17:49:45 +02:00
ac9148e48f
... Because xgettext will just remove the \, not replace \n with newline. That's consistent with Lisp reader behavior in this documentation: http://www.lispworks.com/documentation/lw70/CLHS/Body/02_de.htm The XLisp reader, which replaces \n with newline, is nonstandard. So, to accommodate xgettext, use (format nil "...~%...") instead, or where you can't do that in a $ header line, just make a line break inside the "" There are a few "\n" left alone in sample-data-export.ny which are neither in $ lines nor inside (_ "...")
615 lines
20 KiB
Common Lisp
615 lines
20 KiB
Common Lisp
;nyquist plug-in
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;version 3
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;type analyze
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$name (_"Sample Data Export")
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;manpage "Sample_Data_Export"
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$action (_"Analyzing...")
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;maxlen 1000001
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;categories "http://lv2plug.in/ns/lv2core#AnalyserPlugin"
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$author (_"Steve Daulton")
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$copyright (_"Released under terms of the GNU General Public License version 2")
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;; sample-data-export.ny by Steve Daulton June 2012.
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;; Updated July 16 2012.
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;; Released under terms of the GNU General Public License version 2:
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;; http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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;;
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;; For information about writing and modifying Nyquist plug-ins:
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;; https://wiki.audacityteam.org/wiki/Nyquist_Plug-ins_Reference
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$control number (_"Limit output to first") string (_"samples") "100"
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$control units (_"Measurement scale") choice ((_"dB") (_"Linear")) 0
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$control fileformat (_"File data format") choice (
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(_"Sample List (txt)")
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(_"Indexed List (txt)")
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(_"Time Indexed (txt)")
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(_"Data (csv)")
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(_"Web Page (html)")
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) 0
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$control header (_"Include header information") choice (
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(_"None")
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(_"Minimal")
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(_"Standard")
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(_"All")
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) 2
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$control optext (_"Optional header text") string ""
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$control chan (_"Channel layout for stereo") choice (
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(_"L-R on Same Line")
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(_"Alternate Lines")
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(_"L Channel First")
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) 0
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$control messages (_"Show messages") choice (
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(_"Yes")
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(_"Errors Only")
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(_"None")
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) 0
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$control filename (_"File name") string "" (_"sample-data")
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$control path (_"Output folder") string "" (_"Home directory")
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$control owrite (_"Allow files to be overwritten") choice ((_"No") (_"Yes")) 0
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;; To enable L/R prefix before alternate L/R channels
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;; (text output with header only)
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;; remove the semicolon from the start of the next line:
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;(setq LR-prefix '("L: " "R: "))
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(when (not (boundp 'LR-prefix))(setq LR-prefix nil))
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(setq default-filename (_"sample-data")) ; default filename
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(setq err "") ; initialise error mesaage
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(setq *float-format* "%1.5f") ; 5 decimal places
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(when (equal (string-trim " .,\/" number) "")
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(setq number "100")) ; default=100
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(defun add-error (e-string)
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(setq err (strcat err e-string "\n")))
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;;; stereo peak
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(defun stereomax (snd)
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(if (arrayp s)
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(max (peak (aref s 0) number)(peak (aref s 1) number))
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(peak s number)))
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;;; stereo rms
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(defun srms (snd)
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(if (arrayp snd)
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(let* ((sql (mult (aref s 0)(aref s 0)))
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(sqr (mult (aref s 1)(aref s 1)))
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(avgsq (mult 0.5 (sum sql sqr)))
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(avgsq (snd-avg avgsq number number op-average)))
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(lin-to-db (peak (snd-sqrt avgsq) 1)))
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(let* ((sndsq (mult snd snd))
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(avgsq (snd-avg sndsq number number op-average)))
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(lin-to-db (peak (snd-sqrt avgsq) 1)))))
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;;; dc off-set mono
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(defun dc-off-mon (sig len)
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(let* ((total 0)
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(sig (snd-copy sig)))
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(dotimes (num (truncate len))
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(setq total (+ total (snd-fetch sig))))
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(/ total (float len))))
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;;; compute dc offsets (mono/stereo)
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(defun dc-off (sig)
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(if (arrayp sig)
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(let ((lin0 (dc-off-mon (aref sig 0) number))
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(lin1 (dc-off-mon (aref sig 1) number)))
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(list lin0 (lin-to-db (abs lin0)) lin1 (lin-to-db (abs lin1))))
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(let ((lin (dc-off-mon sig number)))
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(list lin (lin-to-db (abs lin))))))
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(defun checknumber ()
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(setq number (min number len))
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(if (< number 1)
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(add-error (_"No samples selected.")))
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(if (> number 1000000)
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(add-error (_"Cannot export more than 1 million samples.")))
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(setq number (truncate number)))
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;;; home directory
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(defun home ()
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(if (windowsp)
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(get-env "UserProfile") ; Windows
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(get-env "HOME"))) ; Mac / Linux
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;;; Check if Windows
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(defun windowsp ()
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(char= #\\ *file-separator*))
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;;; Windows safe linear-to-db
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(setf ln10over20 (/ (log 10.0) 20))
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(defun lin-to-db (val)
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(if (= val 0)
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;i18n-hint abbreviates negative infinity
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(_"[-inf]")
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(/ (log val) ln10over20)))
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;;; Check if Mac
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(defun macp ()
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(string-equal (subseq (get-env "HOME") 0 6) "/Users"))
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;;; check if file exists
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(defun filep (fname ext &optional (fnum ""))
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(let ((fname (format nil "~a~a~a" fname fnum ext)))
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(if (open fname) T nil)))
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(defun makefilename (fname ext)
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;; avoid overwriting files
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(if (and (= owrite 0)(filep fname ext))
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(do ((num 1 (1+ num)))
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((not (filep fname ext num))
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(format nil "~a~a~a" fname num ext)))
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(strcat fname ext)))
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;;; get sample and convert to dB if required
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(defun snd-get (snd &optional (dB 0))
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(if (= dB 0) ; dB scale
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(lin-to-db (abs (snd-fetch snd)))
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(snd-fetch snd))) ; linear scale
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;; fileformat 0=Text List, 1=Indexed List, 2=Time Indexed, 3=CSV,
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;; (4=html but not used here).
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;; Optional 'same' [line] argument is either 'true' or 'nil'
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(defun formatprint (val snd &optional same)
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(case fileformat
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(0 (format fp "~a~a" ; text list
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(snd-get snd units)
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(if same "\t" "\n")))
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(1 (format fp "~a\t~a~a" ; indexed list
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val
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(snd-get snd units)
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(if same "\t" "\n")))
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(2 (format fp "~a\t~a~a" ; time index
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(/ (1- val) *sound-srate*)
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(snd-get snd units)
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(if same "\t" "\n")))
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(3 (format fp "~a~a" ; csv
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(snd-get snd units)
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(if (or (= chan 2) same) "," "\n")))))
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;;; Print sample data to file
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(defun print-text (s-in)
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(do ((n 1 (1+ n)))
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((> n number))
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(if (arrayp s-in) ; Stereo (alternate lines)
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(progn
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;; option to prefix alternate lines with L/R
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(when LR-prefix
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(unless (or (= header 0)(= fileformat 3))
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(format fp "~a" (first LR-prefix))))
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(if (= chan 0) ; IF 'Same Line' then "True"
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(formatprint n (aref s-in 0) T)
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(formatprint n (aref s-in 0)))
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(when LR-prefix
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(unless (or (= header 0)(= fileformat 3))
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(format fp "~a" (second LR-prefix))))
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(formatprint n (aref s-in 1)))
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(formatprint n s-in))))
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;; Print to file
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(defun printdata ()
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(case header
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(0 (format t (normhead))(format fp (nohead)))
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(1 (format t (normhead))(format fp (minhead)))
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(2 (format t (normhead))(format fp (normhead)))
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(3 (format t (normhead))(format fp (fullhead))))
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;; Stereo and left channel first
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(if (and (arrayp s)(= chan 2))
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(progn
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(unless (= header 0) ; Don't print 'channel' if no header
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(format fp (_"Left Channel.~%~%")))
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(print-text (aref s 0))
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(if (= header 0) ; Don't print 'channel' if no header
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(format fp "~%")
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(format fp (_"~%~%Right Channel.~%~%")))
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(print-text (aref s 1))
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(close fp)
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(if (= messages 0)
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(format nil (_"~aData written to:~%~a~a~a")
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(normhead) path fileseparator filename)
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nil))
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;; mono or alternate
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(progn
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(print-text s)
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(close fp)
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(if (= messages 0)
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(format nil (_"~aData written to:~%~a~a~a")
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(normhead) path fileseparator filename)
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nil))))
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;;; File destination processing
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(defun filewriter ()
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;; Set file extension
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(setq FileExt
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(case fileformat
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(3 ".csv")
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(4 ".html")
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(T ".txt")))
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; file separator as string
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(setq fileseparator (format nil "~a" *file-separator*))
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;; strip file separator and spaces
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(let ((stuff (format nil " ~a" *file-separator*)))
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(setq filename (string-left-trim stuff filename))
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(setq path (string-right-trim stuff path)))
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;; strip file extension if present
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(if (and (>= (length filename)(length FileExt))
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(string-equal filename FileExt :start1 (- (length filename)(length FileExt))))
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(setq filename (subseq filename 0 (- (length filename)(length FileExt)))))
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;; replace ~/ on Linux/Max
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(if (and (>= (length path) 2)
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(not (windowsp)))
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(if (string-equal path "~/" :end1 2)
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(setq path (strcat (home)(subseq path 1)))))
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;; If path not set use home directory
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(if (or (string-equal path (_"Home directory"))
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(string-equal path ""))
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(setq path (home)))
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;; if file name not set use default
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(if (string-equal filename "")
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(setq filename default-filename))
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(setdir (strcat path fileseparator)) ; set target directory
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;; set file pointer or error
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(let ((realdir (string-right-trim fileseparator (setdir "."))))
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(if (or (string= path realdir)
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(and (or (windowsp) ; case insensitive
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(macp)) ; assume case insensitive
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(string-equal path realdir)))
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;; makefilename or error
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(setq filename (makefilename filename FileExt))
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(add-error (format nil (_"Output folder \"~a~a\" cannot be accessed.")
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path fileseparator))))
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;; check if file is writeable
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(when (= (length err) 0)
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;Open file for output
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(setq fp (open filename :direction :output))
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;check file is writeable
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(if (not fp)
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(add-error (format nil (_"\"~a~a~a\" cannot be written.")
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path fileseparator filename)))))
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;;; Header text
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(defun nohead ()
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(if (> (length optext) 0)
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(format nil "~a~%~a~%"
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optext
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(get 'info 'chan-order))
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""))
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(defun minhead ()
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(format nil
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(_"Sample Rate: ~a Hz. Sample values on ~a scale.~%~a~%~a")
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(get 'info 'srate) ; sample rate
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(get 'info 'units) ; units
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(get 'info 'chan-order) ; Channel Order
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(if (> (length optext) 0)
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(format nil "~a~%~%~%" optext) ; optional text
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(format nil "~%")))) ; no optional text
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(defun normhead ()
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(if (= fileformat 4) ; html
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(format nil
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(_"~a ~a~%~aSample Rate: ~a Hz.~%Length processed: ~a samples ~a seconds.~a")
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filename ; file name
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(get 'info 'channels) ; mono/stereo
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(get 'info 'chan-order) ; Channel Order
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(get 'info 'srate) ; sample rate
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number ; number of samples
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(get 'info 'duration) ; duration (seconds)
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(if (> (length optext)0)
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(format nil "~%~a~%~%~%" optext) ; optional text
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(format nil "~%~%~%"))) ; no optional text
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(format nil
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(_"~a ~a~%~aSample Rate: ~a Hz. Sample values on ~a scale.~%~
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Length processed: ~a samples ~a seconds.~a")
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filename ; file name
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(get 'info 'channels) ; mono/stereo
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(get 'info 'chan-order) ; Channel Order
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(get 'info 'srate) ; sample rate
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(get 'info 'units) ; units
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number ; number of samples
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(get 'info 'duration) ; duration (seconds)
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(if (> (length optext)0)
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(format nil "~%~a~%~%~%" optext) ; optional text
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(format nil "~%~%~%"))))) ; no optional text
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(defun fullhead ()
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(format nil
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(_"~a~%Sample Rate: ~a Hz. Sample values on ~a scale. ~a.~%~aLength processed: ~a ~
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samples, ~a seconds.~%Peak amplitude: ~a (lin) ~a dB. Unweighted RMS: ~a dB.~%~
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DC offset: ~a~a")
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filename ; file name
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(get 'info 'srate) ; sample rate
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(get 'info 'units) ; units
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(get 'info 'channels) ; mono/stereo
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(get 'info 'chan-order) ; Channel Order
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number ; number of samples
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(get 'info 'duration) ; duration (seconds)
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(setq smax (stereomax s)) ; peak amplitude linear
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(lin-to-db smax) ; peak amplitude dB
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(srms s) ; rms
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(let ((vals (dc-off s))) ; DC offset
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(if (= (length vals) 2) ; mono
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(format nil (_"~a linear, ~a dB.")
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(first vals)(second vals))
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(format nil (_"Left: ~a lin, ~a dB | Right: ~a lin, ~a dB.")
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(first vals)(second vals)(third vals)(fourth vals))))
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(if (> (length optext)0)
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(format nil "~%~a~%~%~%" optext) ; optional text
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(format nil "~%~%~%")))) ; no optional text
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; HTML Output ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun html-head () (strcat
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"<!DOCTYPE html>
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<html>
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<head>
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<meta name=\"generator\" content=
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\"Sample Data Export by Steve Daulton, (http://www.easyspacepro.com). Released under GPL v2.\">
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<meta name=\"description\" content=\"Sample Printer, Free Audacity plug-in\" />
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<meta name=\"keywords\" content=\"sample printer,Audacity,plug-ins,plugins,effects,audio,audio processing,music,analyze\" />
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<meta name=\"author\" content=\"Steve Daulton\" />
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<meta charset=\"UTF-8\">
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<style type=\"text/css\">
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body {
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margin: 1em 5%;
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background-color: #dda;
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font-family:Arial,Helvetica,sans-serif;
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}
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table,th,td {
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background-color: #fff;
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border:1px solid black;
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text-align: center;
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}
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table {
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width: auto;
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border: 2px;
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border-style:ridge;
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border-collapse:collapse;
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}
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td {
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text-align: right;
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padding-right: 0.5em;
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}
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tr:hover td {
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background-color:#fcd;
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}
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th {
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padding: 0 0.5em;
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background-color: #ddf;
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border-bottom-width: 2px;
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border-bottom-style:ridge;
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}
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h1 {
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font-size: 1.6em;
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color: #633;
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}
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h2 {
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font-size: 1.4em;
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color: #633;
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}
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h3 {
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font-size: 1em;
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color: #366;
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}
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h4 {
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font-size: 1em;
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color: #000;
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}
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ul {
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position:relative;
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top: -0.5em;
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}
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#footer {
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font-size: 0.8em;
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position:relative;
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top: 0.5em;
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left: 2%;
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}
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#footer span {
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font-style:italic;
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font-weight: bold;
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color: #633;
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}
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#footer a:link,a:visited {
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color: #639;
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text-decoration: none;
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}
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#footer a:hover,a:active {
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text-decoration: underline;
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color: blue;
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}
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</style>
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<title>" (_"Sample Data Export") "</title>
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</head>
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"))
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;;; document headings
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(defun doc-head ()
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(format nil
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(strcat "<body>
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<h1>" (_"Sample Data Export") " - ~a</h1>
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~a
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<h4>~a. " (_"~a samples.") " " (_"~a seconds.") "<br></h4>
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<h3>" (_"Audio data analysis:") "</h3>
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<ul>
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<li>" (_"<b>Sample Rate:</b> ~a Hz.") "</li>"
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; i18n-hint: abbreviates "linear" and "decibels"
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"<li>" (_"<b>Peak Amplitude:</b> ~a (lin) ~a dB.") "</li>"
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; i18n-hint: RMS abbreviates root-mean-square, a method of averaging a signal; there also "weighted" versions of it but this isn't that
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"<li>" (_"<b>RMS</b> (unweighted): ~a dB.") "</li>"
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; i18n-hint: DC derives from "direct current" in electronics, really means the zero frequency component of a signal
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"<li>" (_"<b>DC Offset:</b> ~a") "</li>
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</ul>
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") ; end concatenated format string with inserted translations
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(string-right-trim ".html" filename)
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(format nil "<h2>~a</h2>" optext) ; Optional heading
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(get 'info 'channels) ; mono/stereo
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number ; number of samples
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(get 'info 'duration) ; duration (seconds)
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(get 'info 'srate) ; sample rate
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(setq smax (stereomax s)) ; peak amplitude linear
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(lin-to-db smax) ; peak amplitude dB
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(srms s) ; rms
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(let ((vals (dc-off s))) ; DC offset
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|
(if (= (length vals) 2) ; mono
|
|
(format nil (_"~a linear, ~a dB.")
|
|
(first vals)(second vals))
|
|
(format nil (_"Left: ~a lin, ~a dB | Right: ~a linear, ~a dB.")
|
|
(first vals)(second vals)(third vals)(fourth vals))))))
|
|
|
|
|
|
;;; table headings (mono)
|
|
(defun table-head-mono ()
|
|
(strcat "<table title=\"" (_"sample data") "\">
|
|
<tr>
|
|
<th>" (_"Sample #") "</th>
|
|
<th>" (_"Seconds") "</th>
|
|
<th>" (_"Value (linear)") "</th>
|
|
<th>" (_"Value (dB)") "</th>
|
|
</tr>"))
|
|
|
|
|
|
;;; table headings (stereo)
|
|
(defun table-head-stereo ()
|
|
(strcat "<table title=\"" (_"audio sample value analysis") "\">
|
|
<tr>
|
|
<th>" (_"Sample #") "</th>
|
|
<th>" (_"Seconds") "</th>
|
|
<th>" (_"Left (linear)") "</th>
|
|
<th>" (_"Right (linear)") "</th>
|
|
<th>" (_"Left (dB)") "</th>
|
|
<th>" (_"Right (dB)") "</th>
|
|
</tr>"))
|
|
|
|
|
|
(defun html-foot ()
|
|
(format nil (strcat
|
|
"</table>
|
|
<p id=\"footer\">" (_"Produced with <span>Sample Data Export</span> for
|
|
<a href=\"~a\">Audacity</a> by Steve
|
|
Daulton") " (<a href=
|
|
\"http://www.easyspacepro.com\">www.easyspacepro.com</a>)</p>
|
|
</body>
|
|
</html>") "https://www.audacityteam.org/"))
|
|
|
|
|
|
;;; html generator
|
|
(defun make-htm (id val1 &optional val2)
|
|
(if val2
|
|
;; stereo
|
|
(let ((time (/ (1- id) *sound-srate*))
|
|
(db1 (lin-to-db (abs val1)))
|
|
(db2 (lin-to-db (abs val2))))
|
|
(format fp
|
|
"<tr>~%<td>~a</td>~%<td>~a</td>~%<td>~a</td>~%<td>~a</td>~%~
|
|
<td>~a</td>~%<td>~a</td>~%</tr>~%"
|
|
id time val1 val2 db1 db2))
|
|
;; mono
|
|
(let ((time (/ (1- id) *sound-srate*))
|
|
(db (lin-to-db (abs val1))))
|
|
(format fp
|
|
"<tr>~%<td>~a</td>~%<td>~a</td>~%<td>~a</td>~%<td>~a</td>~%</tr>~%"
|
|
id time val1 db))))
|
|
|
|
|
|
(defun printhtml ()
|
|
(format t (normhead))
|
|
(format fp (html-head))
|
|
(format fp (doc-head))
|
|
(if (arrayp s)
|
|
(progn
|
|
(format fp (table-head-stereo))
|
|
(do ((i 1 (1+ i)))
|
|
((> i number))
|
|
(make-htm i
|
|
(snd-fetch (aref s 0))
|
|
(snd-fetch (aref s 1)))))
|
|
(progn
|
|
(format fp (table-head-mono))
|
|
(do ((i 1 (1+ i)))
|
|
((> i number))
|
|
(make-htm i (snd-fetch s)))))
|
|
(format fp (html-foot))
|
|
(close fp)
|
|
(if (= messages 0)
|
|
(format nil (_"~aData written to:~%~a~a~a")
|
|
(normhead) path fileseparator filename)
|
|
nil))
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; END OF HTML ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
|
|
;;; basic info for headers
|
|
(defun put-head-info ()
|
|
(putprop 'info (truncate *sound-srate*) 'srate)
|
|
(putprop 'info (if (= units 0) (_"dB") (_"linear")) 'units)
|
|
(putprop 'info (/ number *sound-srate*) 'duration)
|
|
(putprop 'info
|
|
(if (arrayp s)
|
|
(_"2 channels (stereo)") (_"1 channel (mono)"))
|
|
'channels)
|
|
;; stereo sample order
|
|
(putprop 'info
|
|
(cond
|
|
((and (= fileformat 3)(= chan 0)) ; csv, channel in column
|
|
(format nil (_"One column per channel.~%")))
|
|
((and (= fileformat 3)(= chan 2)) ; csv, channel in row
|
|
(format nil (_"One row per channel.~%")))
|
|
((or (soundp s)(= fileformat 4)) ; mono soundor HTML
|
|
"")
|
|
((= chan 0) (format nil (_"Left channel then Right channel on same line.~%")))
|
|
((= chan 1) (format nil (_"Left and right channels on alternate lines.~%")))
|
|
((= chan 2) (format nil (_"Left channel first then right channel.~%")))
|
|
(T (_"Unspecified channel order")))
|
|
'chan-order))
|
|
|
|
|
|
;;; get number from string
|
|
(setq number (read (make-string-input-stream number)))
|
|
(if (numberp number)
|
|
(checknumber)
|
|
(add-error (format nil (_"~a is not a number.") number)))
|
|
|
|
(filewriter)
|
|
(if (> (length err) 0)
|
|
;; output error message if enabled
|
|
(if (= messages 2)
|
|
nil ; return nil
|
|
(format nil (_"Error.~%~a") err)) ; return errors
|
|
;; else print to file
|
|
(progn
|
|
(put-head-info) ; put basic info for headers
|
|
(if (= fileformat 4)
|
|
(printhtml) ; html output
|
|
(printdata)))) ; text output
|