Move library tree where it belongs

lib-src/libsndfile/Octave/sndfile_play.m

@@ -0,0 +1,59 @@
+## Copyright (C) 2002  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