libsndfile source files.
[Faustine.git] / interpretor / libsndfile-1.0.25 / Octave / sndfile_play.m
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