interpretor/lib/src/libsndfile-1.0.25/tests/raw_test.c

   1 /*
   2 ** Copyright (C) 2002-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
   3 **
   4 ** This program is free software; you can redistribute it and/or modify
   5 ** it under the terms of the GNU General Public License as published by
   6 ** the Free Software Foundation; either version 2 of the License, or
   7 ** (at your option) any later version.
   8 **
   9 ** This program is distributed in the hope that it will be useful,
  10 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 ** GNU General Public License for more details.
  13 **
  14 ** You should have received a copy of the GNU General Public License
  15 ** along with this program; if not, write to the Free Software
  16 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17 */
  18
  19 #include "sfconfig.h"
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <math.h>
  25
  26 #if HAVE_UNISTD_H
  27 #include <unistd.h>
  28 #endif
  29
  30 #include <sndfile.h>
  31
  32 #include "utils.h"
  33
  34 #define BUFFER_LEN              (1<<10)
  35 #define LOG_BUFFER_SIZE 1024
  36
  37 static  void    raw_offset_test (const char *filename, int typeminor) ;
  38 static  void    bad_raw_test (void) ;
  39
  40 /* Force the start of this buffer to be double aligned. Sparc-solaris will
  41 ** choke if its not.
  42 */
  43 static  short   data [BUFFER_LEN] ;
  44
  45 int
  46 main (void)
  47 {
  48         raw_offset_test ("offset.raw", SF_FORMAT_PCM_16) ;
  49         bad_raw_test () ;
  50
  51         return 0 ;
  52 } /* main */
  53
  54 /*============================================================================================
  55 **      Here are the test functions.
  56 */
  57
  58 static void
  59 raw_offset_test (const char *filename, int typeminor)
  60 {       SNDFILE         *sndfile ;
  61         SF_INFO         sfinfo ;
  62         sf_count_t      start ;
  63         int                     k ;
  64
  65         print_test_name ("raw_offset_test", filename) ;
  66
  67         sfinfo.samplerate       = 44100 ;
  68         sfinfo.format           = SF_FORMAT_RAW | typeminor ;
  69         sfinfo.channels         = 1 ;
  70         sfinfo.frames           = 0 ;
  71
  72         sndfile = test_open_file_or_die (filename, SFM_RDWR, &sfinfo, SF_TRUE, __LINE__) ;
  73
  74         start = 0 ;
  75         sf_command (sndfile, SFC_FILE_TRUNCATE, &start, sizeof (start)) ;
  76
  77         for (k = 0 ; k < BUFFER_LEN ; k++)
  78                 data [k] = k ;
  79         test_write_short_or_die (sndfile, 0, data, BUFFER_LEN, __LINE__) ;
  80
  81         sf_close (sndfile) ;
  82
  83         sndfile = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;
  84         check_log_buffer_or_die (sndfile, __LINE__) ;
  85
  86         if (abs (BUFFER_LEN - sfinfo.frames) > 1)
  87         {       printf ("\n\nLine %d : Incorrect sample count (%ld should be %d)\n", __LINE__, SF_COUNT_TO_LONG (sfinfo.frames), BUFFER_LEN) ;
  88                 dump_log_buffer (sndfile) ;
  89                 exit (1) ;
  90                 } ;
  91
  92         memset (data, 0 , sizeof (data)) ;
  93         test_read_short_or_die (sndfile, 0, data, BUFFER_LEN, __LINE__) ;
  94         for (k = 0 ; k < BUFFER_LEN ; k++)
  95                 if (data [k] != k)
  96                         printf ("Error : line %d\n", __LINE__) ;
  97
  98         /* Set dataoffset to 2 bytes from beginning of file. */
  99         start = 2 ;
 100         sf_command (sndfile, SFC_SET_RAW_START_OFFSET, &start, sizeof (start)) ;
 101
 102         /* Seek to new start */
 103         test_seek_or_die (sndfile, 0, SEEK_SET, 0, sfinfo.channels, __LINE__) ;
 104
 105         memset (data, 0 , sizeof (data)) ;
 106         test_read_short_or_die (sndfile, 0, data, BUFFER_LEN - 1, __LINE__) ;
 107         for (k = 0 ; k < BUFFER_LEN - 1 ; k++)
 108                 if (data [k] != k + 1)
 109                 {       printf ("Error : line %d\n", __LINE__) ;
 110                         exit (1) ;
 111                         } ;
 112
 113         /* Set dataoffset to 4 bytes from beginning of file. */
 114         start = 4 ;
 115         sf_command (sndfile, SFC_SET_RAW_START_OFFSET, &start, sizeof (start)) ;
 116
 117         /* Seek to new start */
 118         test_seek_or_die (sndfile, 0, SEEK_SET, 0, sfinfo.channels, __LINE__) ;
 119
 120         memset (data, 0 , sizeof (data)) ;
 121         test_read_short_or_die (sndfile, 0, data, BUFFER_LEN - 2, __LINE__) ;
 122         for (k = 0 ; k < BUFFER_LEN - 2 ; k++)
 123                 if (data [k] != k + 2)
 124                 {       printf ("Error : line %d\n", __LINE__) ;
 125                         exit (1) ;
 126                         } ;
 127
 128         /* Set dataoffset back to 0 bytes from beginning of file. */
 129         start = 0 ;
 130         sf_command (sndfile, SFC_SET_RAW_START_OFFSET, &start, sizeof (start)) ;
 131
 132         /* Seek to new start */
 133         test_seek_or_die (sndfile, 0, SEEK_SET, 0, sfinfo.channels, __LINE__) ;
 134
 135         memset (data, 0 , sizeof (data)) ;
 136         test_read_short_or_die (sndfile, 0, data, BUFFER_LEN, __LINE__) ;
 137         for (k = 0 ; k < BUFFER_LEN ; k++)
 138                 if (data [k] != k)
 139                 {       printf ("Error : line %d\n", __LINE__) ;
 140                         exit (1) ;
 141                         } ;
 142
 143         sf_close (sndfile) ;
 144         unlink (filename) ;
 145
 146         puts ("ok") ;
 147 } /* raw_offset_test */
 148
 149 static void
 150 bad_raw_test (void)
 151 {       FILE            *textfile ;
 152         SNDFILE         *file ;
 153         SF_INFO         sfinfo ;
 154         const char      *errorstr, *filename = "bad.raw" ;
 155
 156         print_test_name ("bad_raw_test", filename) ;
 157
 158         if ((textfile = fopen (filename, "w")) == NULL)
 159         {       printf ("\n\nLine %d : not able to open text file for write.\n", __LINE__) ;
 160                 exit (1) ;
 161                 } ;
 162
 163         fprintf (textfile, "This is not a valid file.\n") ;
 164         fclose (textfile) ;
 165
 166         sfinfo.samplerate       = 44100 ;
 167         sfinfo.format           = SF_FORMAT_RAW | 0xABCD ;
 168         sfinfo.channels         = 1 ;
 169
 170         if ((file = sf_open (filename, SFM_READ, &sfinfo)) != NULL)
 171         {       printf ("\n\nLine %d : Error, file should not have opened.\n", __LINE__ - 1) ;
 172                 exit (1) ;
 173                 } ;
 174
 175         errorstr = sf_strerror (file) ;
 176
 177         if (strstr (errorstr, "Bad format field in SF_INFO struct") == NULL)
 178         {       printf ("\n\nLine %d : Error bad error string : %s.\n", __LINE__ - 1, errorstr) ;
 179                 exit (1) ;
 180                 } ;
 181
 182         unlink (filename) ;
 183
 184         puts ("ok") ;
 185 } /* bad_raw_test */
 186