libsndfile source files.
[Faustine.git] / 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