Chris@0: ## Copyright (C) 2002-2011  Erik de Castro Lopo
Chris@0: ##
Chris@0: ## This program is free software; you can redistribute it and/or modify
Chris@0: ## it under the terms of the GNU General Public License as published by
Chris@0: ## the Free Software Foundation; either version 2, or (at your option)
Chris@0: ## any later version.
Chris@0: ##
Chris@0: ## This program is distributed in the hope that it will be useful, but
Chris@0: ## WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0: ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Chris@0: ## General Public License for more details.
Chris@0: ##
Chris@0: ## You should have received a copy of the GNU General Public License
Chris@0: ## along with this file.  If not, write to the Free Software Foundation,
Chris@0: ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Chris@0: 
Chris@0: ## -*- texinfo -*-
Chris@0: ## @deftypefn {Function File} {} sndfile_save (@var{filename, data, fs})
Chris@0: ## Save the given @var{data} as audio data to the given at @var{fs}. Set
Chris@0: ## the sample rate to @var{fs}.
Chris@0: ## @end deftypefn
Chris@0: 
Chris@0: ## Author: Erik de Castro Lopo <erikd@mega-nerd.com>
Chris@0: ## Description: Save data as a sound file
Chris@0: 
Chris@0: function sndfile_save (filename, data, fs)
Chris@0: 
Chris@0: if nargin != 3,
Chris@0: 	error ("Need three input arguments: filename, data and fs.") ;
Chris@0: 	endif
Chris@0: 
Chris@0: if (! isstr (filename)),
Chris@0: 	error ("First parameter 'filename' is must be a string.") ;
Chris@0: 	endif
Chris@0: 
Chris@0: if (max (size (fs)) > 1),
Chris@0: 	error ("Second parameter 'fs' must be a single value, not an array or matrix.") ;
Chris@0: 	endif
Chris@0: 
Chris@0: [nr nc] = size (data) ;
Chris@0: 
Chris@0: if (nr > nc),
Chris@0: 	data = data' ;
Chris@0: 	endif
Chris@0: 
Chris@0: samplerate = fs ;
Chris@0: wavedata = data ;
Chris@0: 
Chris@0: str = sprintf ("save -mat-binary %s samplerate wavedata", filename) ;
Chris@0: 
Chris@0: eval (str) ;
Chris@0: 
Chris@0: endfunction