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https://gitee.com/openharmony/third_party_libsnd
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94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
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** 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 General Public License as published by
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** the Free Software Foundation; either version 2 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 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 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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*/
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#include "sfconfig.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <math.h>
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#include <sndfile.h>
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#include "utils.h"
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#include "generate.h"
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#include "dft_cmp.h"
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#define SAMPLE_RATE 16000
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static inline float
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max_float (float a, float b)
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{ return a > b ? a : b ;
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} /* max_float */
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static void
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vorbis_test (void)
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{ static float float_data [DFT_DATA_LENGTH] ;
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const char * filename = "vorbis.oga" ;
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SNDFILE * file ;
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SF_INFO sfinfo ;
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float max_abs = 0.0 ;
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unsigned k ;
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print_test_name ("vorbis_test", filename) ;
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/* Generate float data. */
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gen_windowed_sine_float (float_data, ARRAY_LEN (float_data), 1.0) ;
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/* Set up output file type. */
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memset (&sfinfo, 0, sizeof (sfinfo)) ;
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sfinfo.format = SF_FORMAT_OGG | SF_FORMAT_VORBIS ;
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sfinfo.channels = 1 ;
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sfinfo.samplerate = SAMPLE_RATE ;
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/* Write the output file. */
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file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
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test_write_float_or_die (file, 0, float_data, ARRAY_LEN (float_data), __LINE__) ;
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sf_close (file) ;
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memset (float_data, 0, sizeof (float_data)) ;
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/* Read the file back in again. */
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memset (&sfinfo, 0, sizeof (sfinfo)) ;
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file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
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test_read_float_or_die (file, 0, float_data, ARRAY_LEN (float_data), __LINE__) ;
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sf_close (file) ;
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for (k = 0 ; k < ARRAY_LEN (float_data) ; k ++)
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max_abs = max_float (max_abs, fabs (float_data [k])) ;
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if (max_abs > 1.02)
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{ printf ("\n\n Error : max_abs %f should be < 1.02.\n\n", max_abs) ;
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exit (1) ;
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} ;
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puts ("ok") ;
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unlink (filename) ;
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} /* vorbis_test */
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int
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main (void)
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{
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vorbis_test () ;
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return 0 ;
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} /* main */
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