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1 ## Copyright (C) 2002-2011 Erik de Castro Lopo
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2 ##
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3 ## This program is free software; you can redistribute it and/or modify
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4 ## it under the terms of the GNU General Public License as published by
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5 ## the Free Software Foundation; either version 2, or (at your option)
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6 ## any later version.
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7 ##
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8 ## This program is distributed in the hope that it will be useful, but
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9 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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11 ## General Public License for more details.
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12 ##
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13 ## You should have received a copy of the GNU General Public License
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14 ## along with this file. If not, write to the Free Software Foundation,
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15 ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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16
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17 ## -*- texinfo -*-
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18 ## @deftypefn {Function File} {} sndfile_save (@var{filename, data, fs})
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19 ## Save the given @var{data} as audio data to the given at @var{fs}. Set
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20 ## the sample rate to @var{fs}.
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21 ## @end deftypefn
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22
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23 ## Author: Erik de Castro Lopo <erikd@mega-nerd.com>
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24 ## Description: Save data as a sound file
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25
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26 function sndfile_save (filename, data, fs)
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27
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28 if nargin != 3,
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29 error ("Need three input arguments: filename, data and fs.") ;
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30 endif
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31
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32 if (! isstr (filename)),
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33 error ("First parameter 'filename' is must be a string.") ;
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34 endif
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35
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36 if (max (size (fs)) > 1),
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37 error ("Second parameter 'fs' must be a single value, not an array or matrix.") ;
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38 endif
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39
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40 [nr nc] = size (data) ;
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41
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42 if (nr > nc),
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43 data = data' ;
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44 endif
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45
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46 samplerate = fs ;
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47 wavedata = data ;
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48
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49 str = sprintf ("save -mat-binary %s samplerate wavedata", filename) ;
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50
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51 eval (str) ;
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52
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53 endfunction
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