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https://gitee.com/openharmony/third_party_libsnd
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60 lines
1.5 KiB
Mathematica
60 lines
1.5 KiB
Mathematica
## Copyright (C) 2002-2011 Erik de Castro Lopo
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2, or (at your option)
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## any later version.
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##
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## This program is distributed in the hope that it will be useful, but
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## WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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## General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this file. If not, write to the Free Software Foundation,
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## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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## -*- texinfo -*-
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## @deftypefn {Function File} {} sndfile_play (@var{data, fs})
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## Play @var{data} at sample rate @var{fs} using the sndfile-play
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## program.
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## @end deftypefn
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## Author: Erik de Castro Lopo <erikd@mega-nerd.com>
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## Description: Play the given data as a sound file
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function sndfile_play (data, fs)
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if nargin != 2,
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error ("Need two input arguments: data and fs.") ;
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endif
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if (max (size (fs)) > 1),
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error ("Second parameter fs must be a single value.") ;
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endif
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[nr nc] = size (data) ;
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if (nr > nc),
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data = data' ;
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endif
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samplerate = fs ;
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wavedata = data ;
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filename = tmpnam () ;
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cmd = sprintf ("save -mat-binary %s fs data", filename) ;
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eval (cmd) ;
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cmd = sprintf ("sndfile-play %s", filename) ;
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[output, status] = system (cmd) ;
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if (status),
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disp (outout) ;
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endif
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endfunction
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