interpretor/libsndfile-1.0.25/tests/peak_chunk_test.c

   1 /*
   2 ** Copyright (C) 2001-2011 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<<15)
  35 #define LOG_BUFFER_SIZE 1024
  36
  37
  38 static  void    test_float_peak (const char *filename, int filetype) ;
  39 static  void    read_write_peak_test    (const char *filename, int filetype) ;
  40
  41 static void             check_logged_peaks (char *buffer) ;
  42
  43 /* Force the start of this buffer to be double aligned. Sparc-solaris will
  44 ** choke if its not.
  45 */
  46 static  double  data [BUFFER_LEN] ;
  47 static  char    log_buffer [LOG_BUFFER_SIZE] ;
  48
  49 int
  50 main (int argc, char *argv [])
  51 {       int             do_all = 0 ;
  52         int             test_count = 0 ;
  53
  54         if (argc != 2)
  55         {       printf ("Usage : %s <test>\n", argv [0]) ;
  56                 printf ("    Where <test> is one of the following:\n") ;
  57                 printf ("           aiff - test AIFF file PEAK chunk\n") ;
  58                 printf ("           caf  - test CAF file PEAK chunk\n") ;
  59                 printf ("           wav  - test WAV file peak chunk\n") ;
  60                 printf ("           all  - perform all tests\n") ;
  61                 exit (1) ;
  62                 } ;
  63
  64         do_all = ! strcmp (argv [1], "all") ;
  65
  66         if (do_all || ! strcmp (argv [1], "wav"))
  67         {       test_float_peak ("peak_float.wav", SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
  68                 test_float_peak ("peak_float.wavex", SF_FORMAT_WAVEX | SF_FORMAT_FLOAT) ;
  69                 test_float_peak ("peak_float.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
  70
  71                 read_write_peak_test ("rw_peak.wav", SF_FORMAT_WAV | SF_FORMAT_FLOAT) ;
  72                 read_write_peak_test ("rw_peak.wavex", SF_FORMAT_WAVEX | SF_FORMAT_FLOAT) ;
  73                 test_count++ ;
  74                 } ;
  75
  76         if (do_all || ! strcmp (argv [1], "aiff"))
  77         {       test_float_peak ("peak_float.aiff", SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ;
  78
  79                 read_write_peak_test ("rw_peak.aiff", SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ;
  80                 test_count++ ;
  81                 } ;
  82
  83         if (do_all || ! strcmp (argv [1], "caf"))
  84         {       test_float_peak ("peak_float.caf", SF_FORMAT_CAF | SF_FORMAT_FLOAT) ;
  85
  86                 read_write_peak_test ("rw_peak.caf", SF_FORMAT_CAF | SF_FORMAT_FLOAT) ;
  87                 test_count++ ;
  88                 } ;
  89
  90         if (test_count == 0)
  91         {       printf ("Mono : ************************************\n") ;
  92                 printf ("Mono : *  No '%s' test defined.\n", argv [1]) ;
  93                 printf ("Mono : ************************************\n") ;
  94                 return 1 ;
  95                 } ;
  96
  97         return 0 ;
  98 } /* main */
  99
 100 /*============================================================================================
 101 **      Here are the test functions.
 102 */
 103
 104 static void
 105 test_float_peak (const char *filename, int filetype)
 106 {       SNDFILE         *file ;
 107         SF_INFO         sfinfo ;
 108         int                     k, frames, count ;
 109
 110         print_test_name ("test_float_peak", filename) ;
 111
 112         memset (&sfinfo, 0, sizeof (sfinfo)) ;
 113         sfinfo.samplerate       = 44100 ;
 114         sfinfo.format           = filetype ;
 115         sfinfo.channels         = 4 ;
 116         sfinfo.frames           = 0 ;
 117
 118         frames = BUFFER_LEN / sfinfo.channels ;
 119
 120         /* Create some random data with a peak value of 0.66. */
 121         for (k = 0 ; k < BUFFER_LEN ; k++)
 122                 data [k] = (rand () % 2000) / 3000.0 ;
 123
 124         /* Insert some larger peaks a know locations. */
 125         data [4 * (frames / 8) + 0] = (frames / 8) * 0.01 ;     /* First channel */
 126         data [4 * (frames / 6) + 1] = (frames / 6) * 0.01 ;     /* Second channel */
 127         data [4 * (frames / 4) + 2] = (frames / 4) * 0.01 ;     /* Third channel */
 128         data [4 * (frames / 2) + 3] = (frames / 2) * 0.01 ;     /* Fourth channel */
 129
 130         /* Write a file with PEAK chunks. */
 131         file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, 0, __LINE__) ;
 132
 133         /* Try to confuse the header writer by adding a removing the PEAK chunk. */
 134         sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
 135         sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
 136         sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
 137
 138         /*      Write the data in four passed. The data is designed so that peaks will
 139         **      be written in the different calls to sf_write_double ().
 140         */
 141         for (count = 0 ; count < 4 ; count ++)
 142                 test_write_double_or_die (file, 0, data + count * BUFFER_LEN / 4, BUFFER_LEN / 4, BUFFER_LEN / 4) ;
 143
 144         sf_close (file) ;
 145
 146         file = test_open_file_or_die (filename, SFM_READ, &sfinfo, 0, __LINE__) ;
 147
 148         if (sfinfo.format != filetype)
 149         {       printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
 150                 exit (1) ;
 151                 } ;
 152
 153         if (sfinfo.frames != frames)
 154         {       printf ("\n\nLine %d: Incorrect number of frames in file. (%d => %ld)\n", __LINE__, frames, (long) sfinfo.frames) ;
 155                 exit (1) ;
 156                 } ;
 157
 158         if (sfinfo.channels != 4)
 159         {       printf ("\n\nLine %d: Incorrect number of channels in file.\n", __LINE__) ;
 160                 exit (1) ;
 161                 } ;
 162
 163         /* Check these two commands. */
 164         if (sf_command (file, SFC_GET_SIGNAL_MAX, data, sizeof (double)) == SF_FALSE)
 165         {       printf ("\n\nLine %d: Command should have returned SF_TRUE.\n", __LINE__) ;
 166                 exit (1) ;
 167                 } ;
 168
 169         if (fabs (data [0] - (frames / 2) * 0.01) > 0.01)
 170         {       printf ("\n\nLine %d: Bad peak value (%f should be %f) for command SFC_GET_SIGNAL_MAX.\n", __LINE__, data [0], (frames / 2) * 0.01) ;
 171                 exit (1) ;
 172                 } ;
 173
 174         if (sf_command (file, SFC_GET_MAX_ALL_CHANNELS, data, sizeof (double) * sfinfo.channels) == SF_FALSE)
 175         {       printf ("\n\nLine %d: Command should have returned SF_TRUE.\n", __LINE__) ;
 176                 exit (1) ;
 177                 } ;
 178
 179         if (fabs (data [3] - (frames / 2) * 0.01) > 0.01)
 180         {       printf ("\n\nLine %d: Bad peak value (%f should be %f) for command SFC_GET_MAX_ALL_CHANNELS.\n", __LINE__, data [0], (frames / 2) * 0.01) ;
 181                 exit (1) ;
 182                 } ;
 183
 184         /* Get the log buffer data. */
 185         log_buffer [0] = 0 ;
 186         sf_command      (file, SFC_GET_LOG_INFO, log_buffer, LOG_BUFFER_SIZE) ;
 187
 188         if (strlen (log_buffer) == 0)
 189         {       printf ("\n\nLine %d: Empty log buffer,\n", __LINE__) ;
 190                 exit (1) ;
 191                 } ;
 192
 193         check_logged_peaks (log_buffer) ;
 194
 195         sf_close (file) ;
 196
 197         /* Write a file ***without*** PEAK chunks. */
 198         file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, 0, __LINE__) ;
 199
 200         /* Try to confuse the header writer by adding a removing the PEAK chunk. */
 201         sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
 202         sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
 203         sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
 204
 205         /*      Write the data in four passed. The data is designed so that peaks will
 206         **      be written in the different calls to sf_write_double ().
 207         */
 208         for (count = 0 ; count < 4 ; count ++)
 209                 test_write_double_or_die (file, 0, data + count * BUFFER_LEN / 4, BUFFER_LEN / 4, BUFFER_LEN / 4) ;
 210
 211         sf_close (file) ;
 212
 213         file = test_open_file_or_die (filename, SFM_READ, &sfinfo, 0, __LINE__) ;
 214
 215         /* Check these two commands. */
 216         if (sf_command (file, SFC_GET_SIGNAL_MAX, data, sizeof (double)))
 217         {       printf ("\n\nLine %d: Command should have returned SF_FALSE.\n", __LINE__) ;
 218                 exit (1) ;
 219                 } ;
 220
 221         if (sf_command (file, SFC_GET_MAX_ALL_CHANNELS, data, sizeof (double) * sfinfo.channels))
 222         {       printf ("\n\nLine %d: Command should have returned SF_FALSE.\n", __LINE__) ;
 223                 exit (1) ;
 224                 } ;
 225
 226         /* Get the log buffer data. */
 227         log_buffer [0] = 0 ;
 228         sf_command      (file, SFC_GET_LOG_INFO, log_buffer, LOG_BUFFER_SIZE) ;
 229
 230         if (strlen (log_buffer) == 0)
 231         {       printf ("\n\nLine %d: Empty log buffer,\n", __LINE__) ;
 232                 exit (1) ;
 233                 } ;
 234
 235         if (strstr (log_buffer, "PEAK :") != NULL)
 236         {       printf ("\n\nLine %d: Should not have a PEAK chunk in this file.\n\n", __LINE__) ;
 237                 puts (log_buffer) ;
 238                 exit (1) ;
 239                 } ;
 240
 241         sf_close (file) ;
 242
 243         unlink (filename) ;
 244         printf ("ok\n") ;
 245 } /* test_float_peak */
 246
 247 static void
 248 check_logged_peaks (char *buffer)
 249 {       char    *cptr ;
 250         int             k, chan, channel_count, position ;
 251         float   value ;
 252
 253         if (strstr (buffer, "should") || strstr (buffer, "*"))
 254         {       printf ("\n\nLine %d: Something wrong in buffer. Dumping.\n", __LINE__) ;
 255                 puts (buffer) ;
 256                 exit (1) ;
 257                 } ;
 258
 259         channel_count = 0 ;
 260         cptr = strstr (buffer, "Channels") ;
 261         if (cptr && sscanf (cptr, "Channels      : %d", &k) == 1)
 262                 channel_count = k ;
 263         else if (cptr && sscanf (cptr, "Channels / frame : %d", &k) == 1)
 264                 channel_count = k ;
 265         else
 266         {       printf ("\n\nLine %d: Couldn't find channel count.\n", __LINE__) ;
 267                 exit (1) ;
 268                 } ;
 269
 270         if (channel_count != 4)
 271         {       printf ("\n\nLine %d: Wrong channel count (4 ->%d).\n", __LINE__, channel_count) ;
 272                 exit (1) ;
 273                 } ;
 274
 275         if (! (cptr = strstr (buffer, "Ch   Position       Value")))
 276         {       printf ("\n\nLine %d: Can't find PEAK data.\n", __LINE__) ;
 277                 exit (1) ;
 278                 } ;
 279
 280         for (k = 0 ; k < channel_count ; k++)
 281         {       if (! (cptr = strchr (cptr, '\n')))
 282                 {       printf ("\n\nLine %d: Got lost.\n", __LINE__) ;
 283                         exit (1) ;
 284                         } ;
 285                 if (sscanf (cptr, "%d %d %f", &chan, &position, &value) != 3)
 286                 {       printf ("\n\nLine %d: sscanf failed.\n", __LINE__) ;
 287                         exit (1) ;
 288                         } ;
 289                 if (position == 0)
 290                 {       printf ("\n\nLine %d: peak position for channel %d should not be at offset 0.\n", __LINE__, chan) ;
 291                         printf ("%s", buffer) ;
 292                         exit (1) ;
 293                         } ;
 294                 if (chan != k || fabs ((position) * 0.01 - value) > 1e-6)
 295                 {       printf ("\n\nLine %d: Error : peak value incorrect!\n", __LINE__) ;
 296                         printf ("%s", buffer) ;
 297                         printf ("\n\nLine %d: %d %f %f\n", __LINE__, chan, position * 0.01, value) ;
 298                         exit (1) ;
 299                         } ;
 300                 cptr ++ ; /* Move past current newline. */
 301                 } ;
 302
 303 } /* check_logged_peaks */
 304
 305 static  void
 306 read_write_peak_test (const char *filename, int filetype)
 307 {       SNDFILE *file ;
 308     SF_INFO     sfinfo ;
 309
 310     double   small_data [10] ;
 311     double   max_peak = 0.0 ;
 312     unsigned k ;
 313
 314         print_test_name (__func__, filename) ;
 315
 316     for (k = 0 ; k < ARRAY_LEN (small_data) ; k ++)
 317         small_data [k] = 0.1 ;
 318
 319     sfinfo.samplerate   = 44100 ;
 320     sfinfo.channels             = 2 ;
 321     sfinfo.format               = filetype ;
 322     sfinfo.frames               = 0 ;
 323
 324         /* Open the file, add peak chunk and write samples with value 0.1. */
 325     file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
 326
 327     sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
 328
 329         test_write_double_or_die (file, 0, small_data, ARRAY_LEN (small_data), __LINE__) ;
 330
 331     sf_close (file) ;
 332
 333     /* Open the fiel RDWR, write sample valied 1.25. */
 334     file = test_open_file_or_die (filename, SFM_RDWR, &sfinfo, SF_FALSE, __LINE__) ;
 335
 336     for (k = 0 ; k < ARRAY_LEN (small_data) ; k ++)
 337         small_data [k] = 1.0 ;
 338
 339         test_write_double_or_die (file, 0, small_data, ARRAY_LEN (small_data), __LINE__) ;
 340
 341     sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (max_peak)) ;
 342
 343     sf_close (file) ;
 344
 345     exit_if_true (max_peak < 0.1, "\n\nLine %d : max peak (%5.3f) should not be 0.1.\n\n", __LINE__, max_peak) ;
 346
 347     /* Open the file and test the values written to the PEAK chunk. */
 348     file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
 349
 350         exit_if_true (sfinfo.channels * sfinfo.frames != 2 * ARRAY_LEN (small_data),
 351                         "Line %d : frame count is %ld, should be %d\n", __LINE__, SF_COUNT_TO_LONG (sfinfo.frames), 2 * ARRAY_LEN (small_data)) ;
 352
 353     sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (double)) ;
 354
 355     sf_close (file) ;
 356
 357     exit_if_true (max_peak < 1.0, "\n\nLine %d : max peak (%5.3f) should be 1.0.\n\n", __LINE__, max_peak) ;
 358
 359         unlink (filename) ;
 360         puts ("ok") ;
 361 } /* read_write_peak_test */
 362