1/******************************************************************** 2 * * 3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * 4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * 5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * 6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * 7 * * 8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 * 9 * by the Xiph.Org Foundation http://www.xiph.org/ * 10 * * 11 ******************************************************************** 12 13 function: vorbis coded test suite using vorbisfile 14 last mod: $Id: test.c 13293 2007-07-24 00:09:47Z erikd $ 15 16 ********************************************************************/ 17 18#include <stdio.h> 19#include <stdlib.h> 20#include <math.h> 21 22#include "util.h" 23#include "write_read.h" 24 25#define DATA_LEN 2048 26 27#define MAX(a,b) ((a) > (b) ? (a) : (b)) 28 29 30static int check_output (const float * data_in, unsigned len); 31 32int 33main(void){ 34 static float data_out [DATA_LEN] ; 35 static float data_in [DATA_LEN] ; 36 37 /* Do safest and most used sample rates first. */ 38 int sample_rates [] = { 44100, 48000, 32000, 22050, 16000, 96000 } ; 39 unsigned k ; 40 int errors = 0 ; 41 42 gen_windowed_sine (data_out, ARRAY_LEN (data_out), 0.95); 43 44 for (k = 0 ; k < ARRAY_LEN (sample_rates); k ++) { 45 char filename [64] ; 46 snprintf (filename, sizeof (filename), "vorbis_%u.ogg", sample_rates [k]); 47 48 printf (" %-20s : ", filename); 49 fflush (stdout); 50 51 /* Set to know value. */ 52 set_data_in (data_in, ARRAY_LEN (data_in), 3.141); 53 54 write_vorbis_data_or_die (filename, sample_rates [k], data_out, ARRAY_LEN (data_out)); 55 read_vorbis_data_or_die (filename, sample_rates [k], data_in, ARRAY_LEN (data_in)); 56 57 if (check_output (data_in, ARRAY_LEN (data_in)) != 0) 58 errors ++ ; 59 else { 60 puts ("ok"); 61 remove (filename); 62 } 63 } 64 65 if (errors) 66 exit (1); 67 68 return 0; 69} 70 71static int 72check_output (const float * data_in, unsigned len) 73{ 74 float max_abs = 0.0 ; 75 unsigned k ; 76 77 for (k = 0 ; k < len ; k++) { 78 float temp = fabs (data_in [k]); 79 max_abs = MAX (max_abs, temp); 80 } 81 82 if (max_abs < 0.9) { 83 printf ("Error : max_abs (%f) too small.\n", max_abs); 84 return 1 ; 85 } else if (max_abs > 1.0) { 86 printf ("Error : max_abs (%f) too big.\n", max_abs); 87 return 1 ; 88 } 89 90 return 0 ; 91} 92 93