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