60 lines
1.5 KiB
Mathematica
60 lines
1.5 KiB
Mathematica
## 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
|