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