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https://gitee.com/openharmony/third_party_libsnd
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53 lines
1.6 KiB
Matlab
53 lines
1.6 KiB
Matlab
# Copyright (C) 2007 Erik de Castro Lopo <erikd@mega-nerd.com>
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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 Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# These tests are nowhere near comprehensive.
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printf (" Running Octave tests : ") ;
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fflush (stdout) ;
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filename = "whatever" ;
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srate_out = 32000 ;
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fmt_out = "wav-float" ;
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t = (2 * pi / srate_out * (0:srate_out-1))' ;
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data_out = sin (440.0 * t) ;
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# Write out a file.
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sfwrite (filename, data_out, srate_out, fmt_out) ;
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# Read it back in again.
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[ data_in, srate_in, fmt_in ] = sfread (filename) ;
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if (srate_in != srate_out)
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error ("\n\nSample rate mismatch : %d -> %d.\n\n", srate_out, srate_in) ;
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endif
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# Octave strcmp return 1 for the same.
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if (strcmp (fmt_in, fmt_out) != 1)
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error ("\n\nFormat error : '%s' -> '%s'.\n\n", fmt_out, fmt_in) ;
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endif
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err = max (abs (data_out - data_in)) ;
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if (err > 1e-7)
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error ("err : %g\n", err) ;
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endif
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printf ("ok") ;
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unlink (filename) ;
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