Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | ## Copyright (C) 2002-2011 Erik de Castro Lopo |
| 2 | ## |
| 3 | ## This program is free software; you can redistribute it and/or modify |
| 4 | ## it under the terms of the GNU General Public License as published by |
| 5 | ## the Free Software Foundation; either version 2, or (at your option) |
| 6 | ## any later version. |
| 7 | ## |
| 8 | ## This program is distributed in the hope that it will be useful, but |
| 9 | ## WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 11 | ## General Public License for more details. |
| 12 | ## |
| 13 | ## You should have received a copy of the GNU General Public License |
| 14 | ## along with this file. If not, write to the Free Software Foundation, |
| 15 | ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 16 | |
| 17 | ## -*- texinfo -*- |
| 18 | ## @deftypefn {Function File} {} sndfile_play (@var{data, fs}) |
| 19 | ## Play @var{data} at sample rate @var{fs} using the sndfile-play |
| 20 | ## program. |
| 21 | ## @end deftypefn |
| 22 | |
| 23 | ## Author: Erik de Castro Lopo <erikd@mega-nerd.com> |
| 24 | ## Description: Play the given data as a sound file |
| 25 | |
| 26 | function sndfile_play (data, fs) |
| 27 | |
| 28 | if nargin != 2, |
| 29 | error ("Need two input arguments: data and fs.") ; |
| 30 | endif |
| 31 | |
| 32 | if (max (size (fs)) > 1), |
| 33 | error ("Second parameter fs must be a single value.") ; |
| 34 | endif |
| 35 | |
| 36 | [nr nc] = size (data) ; |
| 37 | |
| 38 | if (nr > nc), |
| 39 | data = data' ; |
| 40 | endif |
| 41 | |
| 42 | samplerate = fs ; |
| 43 | wavedata = data ; |
| 44 | |
| 45 | filename = tmpnam () ; |
| 46 | |
| 47 | cmd = sprintf ("save -mat-binary %s fs data", filename) ; |
| 48 | |
| 49 | eval (cmd) ; |
| 50 | |
| 51 | cmd = sprintf ("sndfile-play %s", filename) ; |
| 52 | |
| 53 | [output, status] = system (cmd) ; |
| 54 | |
| 55 | if (status), |
| 56 | disp (outout) ; |
| 57 | endif |
| 58 | |
| 59 | endfunction |