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annotate scripts/deprecated/setaudio.m @ 20349:bcf0a288aa6c stable

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maint: Merge default to stable in preparation for 4.0.0 release.
author John W. Eaton <jwe@octave.org>
date Tue, 28 Apr 2015 12:12:16 -0400
parents 4197fc428c7d
children
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4197fc428c7d maint: Update copyright notices for 2015.
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1 ## Copyright (C) 1995-2015 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} setaudio ()
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21 ## @deftypefnx {Function File} {} setaudio (@var{w_type})
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22 ## @deftypefnx {Function File} {} setaudio (@var{w_type}, @var{value})
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23 ##
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24 ## @code{setaudio} is deprecated and will be removed in Octave version 4.4.
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25 ## Please scale the audio signal in all new code or use the operating system's
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26 ## native tools to adjust audio input and output levels.
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27 ##
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28 ## Execute the shell command @samp{mixer}, possibly with optional
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29 ## arguments @var{w_type} and @var{value}.
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30 ## @end deftypefn
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31
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32 ## Author: AW <Andreas.Weingessel@ci.tuwien.ac.at>
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33 ## Created: 5 October 1994
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34 ## Adapted-By: jwe
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35
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36 function setaudio (w_type, value)
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37
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38 persistent warned = false;
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39 if (! warned)
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40 warned = true;
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41 warning ("Octave:deprecated-function",
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42 "setaudio is obsolete and will be removed from a future version of Octave, please scale the audio signal instead");
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43 endif
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44
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45 if (nargin == 0)
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46 system ("mixer");
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47 elseif (nargin == 1)
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48 system (sprintf ("mixer %s", w_type));
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49 elseif (nargin == 2)
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50 system (sprintf ("mixer %s %d", w_type, value));
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51 else
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52 print_usage ();
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53 endif
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54
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55 endfunction
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