cannam@125: ## Copyright (C) 2002-2011  Erik de Castro Lopo
cannam@125: ##
cannam@125: ## This program is free software; you can redistribute it and/or modify
cannam@125: ## it under the terms of the GNU General Public License as published by
cannam@125: ## the Free Software Foundation; either version 2, or (at your option)
cannam@125: ## any later version.
cannam@125: ##
cannam@125: ## This program is distributed in the hope that it will be useful, but
cannam@125: ## WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@125: ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
cannam@125: ## General Public License for more details.
cannam@125: ##
cannam@125: ## You should have received a copy of the GNU General Public License
cannam@125: ## along with this file.  If not, write to the Free Software Foundation,
cannam@125: ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
cannam@125: 
cannam@125: ## -*- texinfo -*-
cannam@125: ## @deftypefn {Function File} {} sndfile_save (@var{filename, data, fs})
cannam@125: ## Save the given @var{data} as audio data to the given at @var{fs}. Set
cannam@125: ## the sample rate to @var{fs}.
cannam@125: ## @end deftypefn
cannam@125: 
cannam@125: ## Author: Erik de Castro Lopo <erikd@mega-nerd.com>
cannam@125: ## Description: Save data as a sound file
cannam@125: 
cannam@125: function sndfile_save (filename, data, fs)
cannam@125: 
cannam@125: if nargin != 3,
cannam@125: 	error ("Need three input arguments: filename, data and fs.") ;
cannam@125: 	endif
cannam@125: 
cannam@125: if (! isstr (filename)),
cannam@125: 	error ("First parameter 'filename' is must be a string.") ;
cannam@125: 	endif
cannam@125: 
cannam@125: if (max (size (fs)) > 1),
cannam@125: 	error ("Second parameter 'fs' must be a single value, not an array or matrix.") ;
cannam@125: 	endif
cannam@125: 
cannam@125: [nr nc] = size (data) ;
cannam@125: 
cannam@125: if (nr > nc),
cannam@125: 	data = data' ;
cannam@125: 	endif
cannam@125: 
cannam@125: samplerate = fs ;
cannam@125: wavedata = data ;
cannam@125: 
cannam@125: str = sprintf ("save -mat-binary %s samplerate wavedata", filename) ;
cannam@125: 
cannam@125: eval (str) ;
cannam@125: 
cannam@125: endfunction