sndfile_load.m
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上传日期:2022-01-05
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- ## 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_load (@var{filename})
- ## Load data from the file given by @var{filename}.
- ## @end deftypefn
- ## Author: Erik de Castro Lopo <erikd@mega-nerd.com>
- ## Description: Load the sound data from the given file name
- function [data fs] = sndfile_load (filename)
- if (nargin != 1),
- error ("Need an input filename") ;
- endif
- samplerate = -1 ;
- samplingrate = -1 ;
- wavedata = -1 ;
- eval (sprintf ('load -f %s', filename)) ;
- if (samplerate > 0),
- fs = samplerate ;
- elseif (samplingrate > 0),
- fs = samplingrate ;
- else
- error ("Not able to find sample rate.") ;
- endif
-
- if (max (size (wavedata)) > 1),
- data = wavedata ;
- else
- error ("Not able to find waveform data.") ;
- endif
- endfunction