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author | Aki <please@ignore.pl> | 2021-10-01 23:46:47 +0200 |
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committer | Aki <please@ignore.pl> | 2021-10-01 23:46:47 +0200 |
commit | ddd76aa4e1571c8d5965709db5c3cd47a89c9a38 (patch) | |
tree | 4e07bfaebede6531a70984fdebc855bca52f394a /vorbis/test/test.c | |
parent | 3a507e08b1d4e5970b27401a7e6517570d529400 (diff) | |
parent | c2d2c3551501110fddd78674d5435bfaa70382a3 (diff) | |
download | starshatter-ddd76aa4e1571c8d5965709db5c3cd47a89c9a38.zip starshatter-ddd76aa4e1571c8d5965709db5c3cd47a89c9a38.tar.gz starshatter-ddd76aa4e1571c8d5965709db5c3cd47a89c9a38.tar.bz2 |
Project is now built with CMake
Diffstat (limited to 'vorbis/test/test.c')
-rw-r--r-- | vorbis/test/test.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/vorbis/test/test.c b/vorbis/test/test.c new file mode 100644 index 0000000..fe1648d --- /dev/null +++ b/vorbis/test/test.c @@ -0,0 +1,99 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 * + * by the Xiph.Org Foundation http://www.xiph.org/ * + * * + ******************************************************************** + + function: vorbis coded test suite using vorbisfile + + ********************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <math.h> + +#include "util.h" +#include "write_read.h" + +#define DATA_LEN 2048 + +#define MAX(a,b) ((a) > (b) ? (a) : (b)) + + +static int check_output (const float * data_in, unsigned len, float allowable); + +int +main(void){ + static float data_out [DATA_LEN] ; + static float data_in [DATA_LEN] ; + + /* Do safest and most used sample rates first. */ + int sample_rates [] = { 44100, 48000, 32000, 22050, 16000, 96000 } ; + unsigned k ; + int errors = 0 ; + int ch; + + gen_windowed_sine (data_out, ARRAY_LEN (data_out), 0.95); + + for(ch=1;ch<=8;ch++){ + float q=-.05; + printf("\nTesting %d channel%s\n\n",ch,ch==1?"":"s"); + while(q<1.){ + for (k = 0 ; k < ARRAY_LEN (sample_rates); k ++) { + char filename [64] ; + snprintf (filename, sizeof (filename), "vorbis_%dch_q%.1f_%u.ogg", ch,q*10,sample_rates [k]); + + printf (" %-20s : ", filename); + fflush (stdout); + + /* Set to know value. */ + set_data_in (data_in, ARRAY_LEN (data_in), 3.141); + + write_vorbis_data_or_die (filename, sample_rates [k], q, data_out, ARRAY_LEN (data_out),ch); + read_vorbis_data_or_die (filename, sample_rates [k], data_in, ARRAY_LEN (data_in)); + + if (check_output (data_in, ARRAY_LEN (data_in), (.15f - .1f*q)) != 0) + errors ++ ; + else { + puts ("ok"); + remove (filename); + } + } + q+=.1; + } + } + + if (errors) + exit (1); + + return 0; +} + +static int +check_output (const float * data_in, unsigned len, float allowable) +{ + float max_abs = 0.0 ; + unsigned k ; + + for (k = 0 ; k < len ; k++) { + float temp = fabs (data_in [k]); + max_abs = MAX (max_abs, temp); + } + + if (max_abs < 0.95-allowable) { + printf ("Error : max_abs (%f) too small.\n", max_abs); + return 1 ; + } else if (max_abs > .95+allowable) { + printf ("Error : max_abs (%f) too big.\n", max_abs); + return 1 ; + } + + return 0 ; +} + |