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Implement stdin, stdout and stderr to Faustine.
[Faustine.git] / interpreter / lib / src / libsndfile-1.0.25 / tests / lossy_comp_test.c
1 /*
2 ** Copyright (C) 1999-2011 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_SIZE (1<<14) /* Should be (1<<14) */
35 #define SAMPLE_RATE 11025
36
37 #ifndef M_PI
38 #define M_PI 3.14159265358979323846264338
39 #endif
40
41 #define LCT_MAX(x,y) ((x) > (y) ? (x) : (y))
42
43 static void lcomp_test_short (const char *filename, int filetype, int chan, double margin) ;
44 static void lcomp_test_int (const char *filename, int filetype, int chan, double margin) ;
45 static void lcomp_test_float (const char *filename, int filetype, int chan, double margin) ;
46 static void lcomp_test_double (const char *filename, int filetype, int chan, double margin) ;
47
48 static void sdlcomp_test_short (const char *filename, int filetype, int chan, double margin) ;
49 static void sdlcomp_test_int (const char *filename, int filetype, int chan, double margin) ;
50 static void sdlcomp_test_float (const char *filename, int filetype, int chan, double margin) ;
51 static void sdlcomp_test_double (const char *filename, int filetype, int chan, double margin) ;
52
53 static void read_raw_test (const char *filename, int filetype, int chan) ;
54
55 static int error_function (double data, double orig, double margin) ;
56 static int decay_response (int k) ;
57
58 static void gen_signal_double (double *data, double scale, int channels, int datalen) ;
59
60 static void smoothed_diff_short (short *data, unsigned int datalen) ;
61 static void smoothed_diff_int (int *data, unsigned int datalen) ;
62 static void smoothed_diff_float (float *data, unsigned int datalen) ;
63 static void smoothed_diff_double (double *data, unsigned int datalen) ;
64
65 static void check_comment (SNDFILE * file, int format, int lineno) ;
66
67 static int is_lossy (int filetype) ;
68
69 /*
70 ** Force the start of these buffers to be double aligned. Sparc-solaris will
71 ** choke if they are not.
72 */
73 typedef union
74 { double d [BUFFER_SIZE + 1] ;
75 float f [BUFFER_SIZE + 1] ;
76 int i [BUFFER_SIZE + 1] ;
77 short s [BUFFER_SIZE + 1] ;
78 char c [BUFFER_SIZE + 1] ;
79 } BUFFER ;
80
81 static BUFFER data_buffer ;
82 static BUFFER orig_buffer ;
83 static BUFFER smooth_buffer ;
84
85 static const char *long_comment =
86 "This is really quite a long comment. It is designed to be long enough "
87 "to screw up the encoders and decoders if the file container format does "
88 "not handle things correctly. If everything is working correctly, the "
89 "decoder will only decode the actual audio data, and not this string at "
90 "the end of the file." ;
91
92 int
93 main (int argc, char *argv [])
94 { int do_all = 0 ;
95 int test_count = 0 ;
96
97 if (argc != 2)
98 { printf ("Usage : %s <test>\n", argv [0]) ;
99 printf (" Where <test> is one of the following:\n") ;
100 printf (" wav_ima - test IMA ADPCM WAV file functions\n") ;
101 printf (" wav_msadpcm - test MS ADPCM WAV file functions\n") ;
102 printf (" wav_gsm610 - test GSM 6.10 WAV file functions\n") ;
103 printf (" wav_ulaw - test u-law WAV file functions\n") ;
104 printf (" wav_alaw - test A-law WAV file functions\n") ;
105 printf (" wve - test Psion WVE file functions\n") ;
106 printf (" all - perform all tests\n") ;
107 exit (1) ;
108 } ;
109
110 do_all = ! strcmp (argv [1], "all") ;
111
112 if (do_all || strcmp (argv [1], "wav_pcm") == 0)
113 { /* This is just a sanity test for PCM encoding. */
114 lcomp_test_short ("pcm.wav", SF_FORMAT_WAV | SF_FORMAT_PCM_16, 2, 1e-50) ;
115 lcomp_test_int ("pcm.wav", SF_FORMAT_WAV | SF_FORMAT_PCM_32, 2, 1e-50) ;
116 lcomp_test_short ("pcm.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_PCM_16, 2, 1e-50) ;
117 lcomp_test_int ("pcm.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_PCM_32, 2, 1e-50) ;
118 /* Lite remove start */
119 lcomp_test_float ("pcm.wav", SF_FORMAT_WAV | SF_FORMAT_FLOAT, 2, 1e-50) ;
120 lcomp_test_double ("pcm.wav", SF_FORMAT_WAV | SF_FORMAT_DOUBLE, 2, 1e-50) ;
121 /* Lite remove end */
122
123 read_raw_test ("pcm.wav", SF_FORMAT_WAV | SF_FORMAT_PCM_U8, 2) ;
124 test_count++ ;
125 } ;
126
127 /* For all the rest, if the file format supports more than 1 channel, use stereo. */
128 /* Lite remove start */
129 if (do_all || strcmp (argv [1], "wav_ima") == 0)
130 { lcomp_test_short ("ima.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
131 lcomp_test_int ("ima.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.65) ;
132 lcomp_test_float ("ima.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
133 lcomp_test_double ("ima.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
134
135 lcomp_test_short ("ima.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
136 lcomp_test_int ("ima.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
137 lcomp_test_float ("ima.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
138 lcomp_test_double ("ima.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
139
140 sdlcomp_test_short ("ima.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
141 sdlcomp_test_int ("ima.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
142 sdlcomp_test_float ("ima.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
143 sdlcomp_test_double ("ima.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
144 test_count++ ;
145 } ;
146
147 if (do_all || strcmp (argv [1], "wav_msadpcm") == 0)
148 { lcomp_test_short ("msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
149 lcomp_test_int ("msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
150 lcomp_test_float ("msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
151 lcomp_test_double ("msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
152
153 lcomp_test_short ("msadpcm.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
154 lcomp_test_int ("msadpcm.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
155 lcomp_test_float ("msadpcm.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
156 lcomp_test_double ("msadpcm.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
157
158 sdlcomp_test_short ("msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
159 sdlcomp_test_int ("msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
160 sdlcomp_test_float ("msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
161 sdlcomp_test_double ("msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
162
163 test_count++ ;
164 } ;
165
166 if (do_all || strcmp (argv [1], "wav_g721") == 0)
167 { printf ("**** Fix this later : error bound should be 0.06 ****\n") ;
168 lcomp_test_short ("g721.wav", SF_FORMAT_WAV | SF_FORMAT_G721_32, 1, 0.7) ;
169 lcomp_test_int ("g721.wav", SF_FORMAT_WAV | SF_FORMAT_G721_32, 1, 0.7) ;
170
171 lcomp_test_short ("g721.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_G721_32, 1, 0.7) ;
172 lcomp_test_int ("g721.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_G721_32, 1, 0.7) ;
173
174 test_count++ ;
175 } ;
176 /* Lite remove end */
177
178 if (do_all || strcmp (argv [1], "wav_ulaw") == 0)
179 { lcomp_test_short ("ulaw.wav", SF_FORMAT_WAV | SF_FORMAT_ULAW, 2, 0.04) ;
180 lcomp_test_int ("ulaw.wav", SF_FORMAT_WAV | SF_FORMAT_ULAW, 2, 0.04) ;
181
182 lcomp_test_short ("ulaw.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_ULAW, 2, 0.04) ;
183 lcomp_test_int ("ulaw.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_ULAW, 2, 0.04) ;
184
185 /* Lite remove start */
186 lcomp_test_float ("ulaw.wav", SF_FORMAT_WAV | SF_FORMAT_ULAW, 2, 0.04) ;
187 lcomp_test_double ("ulaw.wav", SF_FORMAT_WAV | SF_FORMAT_ULAW, 2, 0.04) ;
188 /* Lite remove end */
189
190 read_raw_test ("ulaw.wav", SF_FORMAT_WAV | SF_FORMAT_ULAW, 2) ;
191 test_count++ ;
192 } ;
193
194 if (do_all || strcmp (argv [1], "wav_alaw") == 0)
195 { lcomp_test_short ("alaw.wav", SF_FORMAT_WAV | SF_FORMAT_ALAW, 2, 0.04) ;
196 lcomp_test_int ("alaw.wav", SF_FORMAT_WAV | SF_FORMAT_ALAW, 2, 0.04) ;
197 /* Lite remove start */
198 lcomp_test_float ("alaw.wav", SF_FORMAT_WAV | SF_FORMAT_ALAW, 2, 0.04) ;
199 lcomp_test_double ("alaw.wav", SF_FORMAT_WAV | SF_FORMAT_ALAW, 2, 0.04) ;
200 /* Lite remove end */
201
202 read_raw_test ("alaw.wav", SF_FORMAT_WAV | SF_FORMAT_ALAW, 2) ;
203 test_count++ ;
204 } ;
205
206 if (do_all || strcmp (argv [1], "wav_gsm610") == 0)
207 { /* Don't do lcomp_test_XXX as the errors are too big. */
208 sdlcomp_test_short ("gsm610.wav", SF_FORMAT_WAV | SF_FORMAT_GSM610, 1, 0.24) ;
209 sdlcomp_test_int ("gsm610.wav", SF_FORMAT_WAV | SF_FORMAT_GSM610, 1, 0.24) ;
210
211 sdlcomp_test_short ("gsm610.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_GSM610, 1, 0.24) ;
212 sdlcomp_test_int ("gsm610.rifx", SF_ENDIAN_BIG | SF_FORMAT_WAV | SF_FORMAT_GSM610, 1, 0.24) ;
213
214 /* Lite remove start */
215 sdlcomp_test_float ("gsm610.wav", SF_FORMAT_WAV | SF_FORMAT_GSM610, 1, 0.24) ;
216 sdlcomp_test_double ("gsm610.wav", SF_FORMAT_WAV | SF_FORMAT_GSM610, 1, 0.24) ;
217 /* Lite remove end */
218 test_count++ ;
219 } ;
220
221 if (do_all || strcmp (argv [1], "aiff_ulaw") == 0)
222 { lcomp_test_short ("ulaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ULAW, 2, 0.04) ;
223 lcomp_test_int ("ulaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ULAW, 2, 0.04) ;
224 /* Lite remove start */
225 lcomp_test_float ("ulaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ULAW, 2, 0.04) ;
226 lcomp_test_double ("ulaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ULAW, 2, 0.04) ;
227 /* Lite remove end */
228
229 read_raw_test ("ulaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ULAW, 2) ;
230 test_count++ ;
231 } ;
232
233 if (do_all || strcmp (argv [1], "aiff_alaw") == 0)
234 { lcomp_test_short ("alaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ALAW, 2, 0.04) ;
235 lcomp_test_int ("alaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ALAW, 2, 0.04) ;
236 /* Lite remove start */
237 lcomp_test_float ("alaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ALAW, 2, 0.04) ;
238 lcomp_test_double ("alaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ALAW, 2, 0.04) ;
239 /* Lite remove end */
240
241 read_raw_test ("alaw.aiff", SF_FORMAT_AIFF | SF_FORMAT_ALAW, 2) ;
242 test_count++ ;
243 } ;
244
245 if (do_all || strcmp (argv [1], "aiff_gsm610") == 0)
246 { /* Don't do lcomp_test_XXX as the errors are too big. */
247 sdlcomp_test_short ("gsm610.aiff", SF_FORMAT_AIFF | SF_FORMAT_GSM610, 1, 0.24) ;
248 sdlcomp_test_int ("gsm610.aiff", SF_FORMAT_AIFF | SF_FORMAT_GSM610, 1, 0.24) ;
249 /* Lite remove start */
250 sdlcomp_test_float ("gsm610.aiff", SF_FORMAT_AIFF | SF_FORMAT_GSM610, 1, 0.24) ;
251 sdlcomp_test_double ("gsm610.aiff", SF_FORMAT_AIFF | SF_FORMAT_GSM610, 1, 0.24) ;
252 /* Lite remove end */
253 test_count++ ;
254 } ;
255
256 if (strcmp (argv [1], "aiff_ima") == 0)
257 { lcomp_test_short ("ima.aiff", SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
258 lcomp_test_int ("ima.aiff", SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
259 /* Lite remove start */
260 lcomp_test_float ("ima.aiff", SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
261 lcomp_test_double ("ima.aiff", SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
262 /* Lite remove end */
263 } ;
264
265 if (do_all || strcmp (argv [1], "au_ulaw") == 0)
266 { lcomp_test_short ("ulaw.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_ULAW, 2, 0.04) ;
267 lcomp_test_int ("ulaw.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_ULAW, 2, 0.04) ;
268 /* Lite remove start */
269 lcomp_test_float ("ulaw.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_ULAW, 2, 0.04) ;
270 lcomp_test_double ("ulaw.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_ULAW, 2, 0.04) ;
271 /* Lite remove end */
272 test_count++ ;
273 } ;
274
275 if (do_all || strcmp (argv [1], "au_alaw") == 0)
276 { lcomp_test_short ("alaw.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_ALAW, 2, 0.04) ;
277 lcomp_test_int ("alaw.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_ALAW, 2, 0.04) ;
278 /* Lite remove start */
279 lcomp_test_float ("alaw.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_ALAW, 2, 0.04) ;
280 lcomp_test_double ("alaw.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_ALAW, 2, 0.04) ;
281 /* Lite remove end */
282 test_count++ ;
283 } ;
284
285 /* Lite remove start */
286 if (do_all || strcmp (argv [1], "au_g721") == 0)
287 { printf ("**** Fix this later : error bound should be 0.06 ****\n") ;
288 lcomp_test_short ("g721.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G721_32, 1, 0.7) ;
289 lcomp_test_int ("g721.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G721_32, 1, 0.7) ;
290 lcomp_test_float ("g721.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G721_32, 1, 0.7) ;
291 lcomp_test_double ("g721.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G721_32, 1, 0.7) ;
292
293 /*- sdlcomp_test_short ("g721.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G721_32, 1, 0.07) ;
294 sdlcomp_test_int ("g721.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G721_32, 1, 0.07) ;
295 sdlcomp_test_float ("g721.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G721_32, 1, 0.07) ;
296 sdlcomp_test_double ("g721.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G721_32, 1, 0.12) ;
297 -*/
298 test_count++ ;
299 } ;
300
301 if (do_all || strcmp (argv [1], "au_g723") == 0)
302 { printf ("**** Fix this later : error bound should be 0.16 ****\n") ;
303 lcomp_test_short ("g723_24.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G723_24, 1, 0.7) ;
304 lcomp_test_int ("g723_24.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G723_24, 1, 0.7) ;
305 lcomp_test_float ("g723_24.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G723_24, 1, 0.7) ;
306 lcomp_test_double ("g723_24.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G723_24, 1, 0.7) ;
307
308 lcomp_test_short ("g723_40.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G723_40, 1, 0.85) ;
309 lcomp_test_int ("g723_40.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G723_40, 1, 0.84) ;
310 lcomp_test_float ("g723_40.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G723_40, 1, 0.86) ;
311 lcomp_test_double ("g723_40.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G723_40, 1, 0.86) ;
312
313 /*- sdlcomp_test_short ("g723.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G723_24, 1, 0.15) ;
314 sdlcomp_test_int ("g723.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G723_24, 1, 0.15) ;
315 sdlcomp_test_float ("g723.au", SF_ENDIAN_BIG | SF_FORMAT_AU | SF_FORMAT_G723_24, 1, 0.15) ;
316 sdlcomp_test_double ("g723.au", SF_ENDIAN_LITTLE | SF_FORMAT_AU | SF_FORMAT_G723_24, 1, 0.15) ;
317 -*/
318 test_count++ ;
319 } ;
320 /* Lite remove end */
321
322 if (do_all || strcmp (argv [1], "caf_ulaw") == 0)
323 { lcomp_test_short ("ulaw.caf", SF_FORMAT_CAF | SF_FORMAT_ULAW, 2, 0.04) ;
324 lcomp_test_int ("ulaw.caf", SF_FORMAT_CAF | SF_FORMAT_ULAW, 2, 0.04) ;
325 /* Lite remove start */
326 lcomp_test_float ("ulaw.caf", SF_FORMAT_CAF | SF_FORMAT_ULAW, 2, 0.04) ;
327 lcomp_test_double ("ulaw.caf", SF_FORMAT_CAF | SF_FORMAT_ULAW, 2, 0.04) ;
328 /* Lite remove end */
329
330 read_raw_test ("ulaw.caf", SF_FORMAT_CAF | SF_FORMAT_ULAW, 2) ;
331 test_count++ ;
332 } ;
333
334 if (do_all || strcmp (argv [1], "caf_alaw") == 0)
335 { lcomp_test_short ("alaw.caf", SF_FORMAT_CAF | SF_FORMAT_ALAW, 2, 0.04) ;
336 lcomp_test_int ("alaw.caf", SF_FORMAT_CAF | SF_FORMAT_ALAW, 2, 0.04) ;
337 /* Lite remove start */
338 lcomp_test_float ("alaw.caf", SF_FORMAT_CAF | SF_FORMAT_ALAW, 2, 0.04) ;
339 lcomp_test_double ("alaw.caf", SF_FORMAT_CAF | SF_FORMAT_ALAW, 2, 0.04) ;
340 /* Lite remove end */
341
342 read_raw_test ("alaw.caf", SF_FORMAT_CAF | SF_FORMAT_ALAW, 2) ;
343 test_count++ ;
344 } ;
345
346
347 if (do_all || strcmp (argv [1], "raw_ulaw") == 0)
348 { lcomp_test_short ("ulaw.raw", SF_ENDIAN_LITTLE | SF_FORMAT_RAW | SF_FORMAT_ULAW, 2, 0.04) ;
349 lcomp_test_int ("ulaw.raw", SF_ENDIAN_BIG | SF_FORMAT_RAW | SF_FORMAT_ULAW, 2, 0.04) ;
350 /* Lite remove start */
351 lcomp_test_float ("ulaw.raw", SF_ENDIAN_LITTLE | SF_FORMAT_RAW | SF_FORMAT_ULAW, 2, 0.04) ;
352 lcomp_test_double ("ulaw.raw", SF_ENDIAN_BIG | SF_FORMAT_RAW | SF_FORMAT_ULAW, 2, 0.04) ;
353 /* Lite remove end */
354 test_count++ ;
355 } ;
356
357 if (do_all || strcmp (argv [1], "raw_alaw") == 0)
358 { lcomp_test_short ("alaw.raw", SF_ENDIAN_LITTLE | SF_FORMAT_RAW | SF_FORMAT_ALAW, 2, 0.04) ;
359 lcomp_test_int ("alaw.raw", SF_ENDIAN_BIG | SF_FORMAT_RAW | SF_FORMAT_ALAW, 2, 0.04) ;
360 /* Lite remove start */
361 lcomp_test_float ("alaw.raw", SF_ENDIAN_LITTLE | SF_FORMAT_RAW | SF_FORMAT_ALAW, 2, 0.04) ;
362 lcomp_test_double ("alaw.raw", SF_ENDIAN_BIG | SF_FORMAT_RAW | SF_FORMAT_ALAW, 2, 0.04) ;
363 /* Lite remove end */
364 test_count++ ;
365 } ;
366
367 if (do_all || strcmp (argv [1], "raw_gsm610") == 0)
368 { /* Don't do lcomp_test_XXX as the errors are too big. */
369 sdlcomp_test_short ("raw.gsm", SF_FORMAT_RAW | SF_FORMAT_GSM610, 1, 0.24) ;
370 sdlcomp_test_int ("raw.gsm", SF_FORMAT_RAW | SF_FORMAT_GSM610, 1, 0.24) ;
371 sdlcomp_test_float ("raw.gsm", SF_FORMAT_RAW | SF_FORMAT_GSM610, 1, 0.24) ;
372 sdlcomp_test_double ("raw.gsm", SF_FORMAT_RAW | SF_FORMAT_GSM610, 1, 0.24) ;
373 test_count++ ;
374 } ;
375
376 if (do_all || strcmp (argv [1], "ogg_vorbis") == 0)
377 { if (HAVE_EXTERNAL_LIBS)
378 { /* Don't do lcomp_test_XXX as the errors are too big. */
379 sdlcomp_test_short ("vorbis.oga", SF_FORMAT_OGG | SF_FORMAT_VORBIS, 1, 0.30) ;
380 sdlcomp_test_int ("vorbis.oga", SF_FORMAT_OGG | SF_FORMAT_VORBIS, 1, 0.30) ;
381 sdlcomp_test_float ("vorbis.oga", SF_FORMAT_OGG | SF_FORMAT_VORBIS, 1, 0.30) ;
382 sdlcomp_test_double ("vorbis.oga", SF_FORMAT_OGG | SF_FORMAT_VORBIS, 1, 0.30) ;
383 }
384 else
385 puts (" No Ogg/Vorbis tests because Ogg/Vorbis support was not compiled in.") ;
386
387 test_count++ ;
388 } ;
389
390 /* Lite remove start */
391 if (do_all || strcmp (argv [1], "ircam_ulaw") == 0)
392 { lcomp_test_short ("ulaw.ircam", SF_ENDIAN_LITTLE | SF_FORMAT_IRCAM | SF_FORMAT_ULAW, 2, 0.04) ;
393 lcomp_test_int ("ulaw.ircam", SF_ENDIAN_BIG | SF_FORMAT_IRCAM | SF_FORMAT_ULAW, 2, 0.04) ;
394 lcomp_test_float ("ulaw.ircam", SF_ENDIAN_LITTLE | SF_FORMAT_IRCAM | SF_FORMAT_ULAW, 2, 0.04) ;
395 lcomp_test_double ("ulaw.ircam", SF_ENDIAN_BIG | SF_FORMAT_IRCAM | SF_FORMAT_ULAW, 2, 0.04) ;
396 test_count++ ;
397 } ;
398
399 if (do_all || strcmp (argv [1], "ircam_alaw") == 0)
400 { lcomp_test_short ("alaw.ircam", SF_ENDIAN_LITTLE | SF_FORMAT_IRCAM | SF_FORMAT_ALAW, 2, 0.04) ;
401 lcomp_test_int ("alaw.ircam", SF_ENDIAN_BIG | SF_FORMAT_IRCAM | SF_FORMAT_ALAW, 2, 0.04) ;
402 lcomp_test_float ("alaw.ircam", SF_ENDIAN_LITTLE | SF_FORMAT_IRCAM | SF_FORMAT_ALAW, 2, 0.04) ;
403 lcomp_test_double ("alaw.ircam", SF_ENDIAN_BIG | SF_FORMAT_IRCAM | SF_FORMAT_ALAW, 2, 0.04) ;
404 test_count++ ;
405 } ;
406
407 if (do_all || strcmp (argv [1], "nist_ulaw") == 0)
408 { lcomp_test_short ("ulaw.nist", SF_ENDIAN_LITTLE | SF_FORMAT_NIST | SF_FORMAT_ULAW, 2, 0.04) ;
409 lcomp_test_int ("ulaw.nist", SF_ENDIAN_BIG | SF_FORMAT_NIST | SF_FORMAT_ULAW, 2, 0.04) ;
410 lcomp_test_float ("ulaw.nist", SF_ENDIAN_LITTLE | SF_FORMAT_NIST | SF_FORMAT_ULAW, 2, 0.04) ;
411 lcomp_test_double ("ulaw.nist", SF_ENDIAN_BIG | SF_FORMAT_NIST | SF_FORMAT_ULAW, 2, 0.04) ;
412 test_count++ ;
413 } ;
414
415 if (do_all || strcmp (argv [1], "nist_alaw") == 0)
416 { lcomp_test_short ("alaw.nist", SF_ENDIAN_LITTLE | SF_FORMAT_NIST | SF_FORMAT_ALAW, 2, 0.04) ;
417 lcomp_test_int ("alaw.nist", SF_ENDIAN_BIG | SF_FORMAT_NIST | SF_FORMAT_ALAW, 2, 0.04) ;
418 lcomp_test_float ("alaw.nist", SF_ENDIAN_LITTLE | SF_FORMAT_NIST | SF_FORMAT_ALAW, 2, 0.04) ;
419 lcomp_test_double ("alaw.nist", SF_ENDIAN_BIG | SF_FORMAT_NIST | SF_FORMAT_ALAW, 2, 0.04) ;
420 test_count++ ;
421 } ;
422
423 if (do_all || strcmp (argv [1], "voc_ulaw") == 0)
424 { lcomp_test_short ("ulaw.voc", SF_FORMAT_VOC | SF_FORMAT_ULAW, 2, 0.04) ;
425 lcomp_test_int ("ulaw.voc", SF_FORMAT_VOC | SF_FORMAT_ULAW, 2, 0.04) ;
426 lcomp_test_float ("ulaw.voc", SF_FORMAT_VOC | SF_FORMAT_ULAW, 2, 0.04) ;
427 lcomp_test_double ("ulaw.voc", SF_FORMAT_VOC | SF_FORMAT_ULAW, 2, 0.04) ;
428 test_count++ ;
429 } ;
430
431 if (do_all || strcmp (argv [1], "voc_alaw") == 0)
432 { lcomp_test_short ("alaw.voc", SF_FORMAT_VOC | SF_FORMAT_ALAW, 2, 0.04) ;
433 lcomp_test_int ("alaw.voc", SF_FORMAT_VOC | SF_FORMAT_ALAW, 2, 0.04) ;
434 lcomp_test_float ("alaw.voc", SF_FORMAT_VOC | SF_FORMAT_ALAW, 2, 0.04) ;
435 lcomp_test_double ("alaw.voc", SF_FORMAT_VOC | SF_FORMAT_ALAW, 2, 0.04) ;
436 test_count++ ;
437 } ;
438 /* Lite remove end */
439
440 if (do_all || strcmp (argv [1], "w64_ulaw") == 0)
441 { lcomp_test_short ("ulaw.w64", SF_FORMAT_W64 | SF_FORMAT_ULAW, 2, 0.04) ;
442 lcomp_test_int ("ulaw.w64", SF_FORMAT_W64 | SF_FORMAT_ULAW, 2, 0.04) ;
443 /* Lite remove start */
444 lcomp_test_float ("ulaw.w64", SF_FORMAT_W64 | SF_FORMAT_ULAW, 2, 0.04) ;
445 lcomp_test_double ("ulaw.w64", SF_FORMAT_W64 | SF_FORMAT_ULAW, 2, 0.04) ;
446 /* Lite remove end */
447
448 read_raw_test ("ulaw.w64", SF_FORMAT_W64 | SF_FORMAT_ULAW, 2) ;
449 test_count++ ;
450 } ;
451
452 if (do_all || strcmp (argv [1], "w64_alaw") == 0)
453 { lcomp_test_short ("alaw.w64", SF_FORMAT_W64 | SF_FORMAT_ALAW, 2, 0.04) ;
454 lcomp_test_int ("alaw.w64", SF_FORMAT_W64 | SF_FORMAT_ALAW, 2, 0.04) ;
455 /* Lite remove start */
456 lcomp_test_float ("alaw.w64", SF_FORMAT_W64 | SF_FORMAT_ALAW, 2, 0.04) ;
457 lcomp_test_double ("alaw.w64", SF_FORMAT_W64 | SF_FORMAT_ALAW, 2, 0.04) ;
458 /* Lite remove end */
459
460 read_raw_test ("alaw.w64", SF_FORMAT_W64 | SF_FORMAT_ALAW, 2) ;
461 test_count++ ;
462 } ;
463
464 /* Lite remove start */
465 if (do_all || strcmp (argv [1], "w64_ima") == 0)
466 { lcomp_test_short ("ima.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
467 lcomp_test_int ("ima.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
468 lcomp_test_float ("ima.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
469 lcomp_test_double ("ima.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
470
471 sdlcomp_test_short ("ima.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
472 sdlcomp_test_int ("ima.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
473 sdlcomp_test_float ("ima.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
474 sdlcomp_test_double ("ima.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM, 2, 0.18) ;
475 test_count++ ;
476 } ;
477
478 if (do_all || strcmp (argv [1], "w64_msadpcm") == 0)
479 { lcomp_test_short ("msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
480 lcomp_test_int ("msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
481 lcomp_test_float ("msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
482 lcomp_test_double ("msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
483
484 sdlcomp_test_short ("msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
485 sdlcomp_test_int ("msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
486 sdlcomp_test_float ("msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
487 sdlcomp_test_double ("msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM, 2, 0.36) ;
488 test_count++ ;
489 } ;
490
491 if (do_all || strcmp (argv [1], "wve") == 0)
492 { lcomp_test_short ("psion.wve", SF_FORMAT_WVE | SF_FORMAT_ALAW, 1, 0.04) ;
493 lcomp_test_int ("psion.wve", SF_FORMAT_WVE | SF_FORMAT_ALAW, 1, 0.04) ;
494 /* Lite remove start */
495 lcomp_test_float ("psion.wve", SF_FORMAT_WVE | SF_FORMAT_ALAW, 1, 0.04) ;
496 lcomp_test_double ("psion.wve", SF_FORMAT_WVE | SF_FORMAT_ALAW, 1, 0.04) ;
497 /* Lite remove end */
498 test_count++ ;
499 } ;
500
501 /* Lite remove end */
502
503 if (do_all || strcmp (argv [1], "w64_gsm610") == 0)
504 { /* Don't do lcomp_test_XXX as the errors are too big. */
505 sdlcomp_test_short ("gsm610.w64", SF_FORMAT_W64 | SF_FORMAT_GSM610, 1, 0.2) ;
506 sdlcomp_test_int ("gsm610.w64", SF_FORMAT_W64 | SF_FORMAT_GSM610, 1, 0.2) ;
507 /* Lite remove start */
508 sdlcomp_test_float ("gsm610.w64", SF_FORMAT_W64 | SF_FORMAT_GSM610, 1, 0.2) ;
509 sdlcomp_test_double ("gsm610.w64", SF_FORMAT_W64 | SF_FORMAT_GSM610, 1, 0.2) ;
510 /* Lite remove end */
511 test_count++ ;
512 } ;
513
514 /* Lite remove start */
515 if (do_all || strcmp (argv [1], "vox_adpcm") == 0)
516 { lcomp_test_short ("adpcm.vox", SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM, 1, 0.17) ;
517 lcomp_test_int ("adpcm.vox", SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM, 1, 0.17) ;
518 lcomp_test_float ("adpcm.vox", SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM, 1, 0.17) ;
519 lcomp_test_double ("adpcm.vox", SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM, 1, 0.17) ;
520
521 sdlcomp_test_short ("adpcm.vox", SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM, 1, 0.072) ;
522 sdlcomp_test_int ("adpcm.vox", SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM, 1, 0.072) ;
523 sdlcomp_test_float ("adpcm.vox", SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM, 1, 0.072) ;
524 sdlcomp_test_double ("adpcm.vox", SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM, 1, 0.072) ;
525 test_count++ ;
526 } ;
527
528 if (do_all || strcmp (argv [1], "xi_dpcm") == 0)
529 { lcomp_test_short ("8bit.xi", SF_FORMAT_XI | SF_FORMAT_DPCM_8, 1, 0.25) ;
530 lcomp_test_int ("8bit.xi", SF_FORMAT_XI | SF_FORMAT_DPCM_8, 1, 0.25) ;
531
532 lcomp_test_short ("16bit.xi", SF_FORMAT_XI | SF_FORMAT_DPCM_16, 1, 0.002) ;
533 lcomp_test_int ("16bit.xi", SF_FORMAT_XI | SF_FORMAT_DPCM_16, 1, 0.002) ;
534 lcomp_test_float ("16bit.xi", SF_FORMAT_XI | SF_FORMAT_DPCM_16, 1, 0.002) ;
535 lcomp_test_double ("16bit.xi", SF_FORMAT_XI | SF_FORMAT_DPCM_16, 1, 0.002) ;
536 test_count++ ;
537 } ;
538 /* Lite remove end */
539
540 if (test_count == 0)
541 { printf ("************************************\n") ;
542 printf ("* No '%s' test defined.\n", argv [1]) ;
543 printf ("************************************\n") ;
544 return 1 ;
545 } ;
546
547 return 0 ;
548 } /* main */
549
550 /*============================================================================================
551 ** Here are the test functions.
552 */
553
554 static void
555 lcomp_test_short (const char *filename, int filetype, int channels, double margin)
556 { SNDFILE *file ;
557 SF_INFO sfinfo ;
558 int k, m, seekpos, half_max_abs ;
559 long datalen ;
560 short *orig, *data ;
561
562 print_test_name ("lcomp_test_short", filename) ;
563
564 datalen = BUFFER_SIZE / channels ;
565
566 data = data_buffer.s ;
567 orig = orig_buffer.s ;
568
569 gen_signal_double (orig_buffer.d, 32000.0, channels, datalen) ;
570 for (k = 0 ; k < channels * datalen ; k++)
571 orig [k] = (short) (orig_buffer.d [k]) ;
572
573 sfinfo.samplerate = SAMPLE_RATE ;
574 sfinfo.frames = 123456789 ; /* Ridiculous value. */
575 sfinfo.channels = channels ;
576 sfinfo.format = filetype ;
577
578 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
579 test_writef_short_or_die (file, 0, orig, datalen, __LINE__) ;
580 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
581 sf_close (file) ;
582
583 memset (data, 0, datalen * sizeof (short)) ;
584
585 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
586 memset (&sfinfo, 0, sizeof (sfinfo)) ;
587
588 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
589
590 if ((sfinfo.format & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)) != (filetype & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)))
591 { printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
592 exit (1) ;
593 } ;
594
595 if (sfinfo.frames < datalen / channels)
596 { printf ("Too few frames in file. (%ld should be a little more than %ld)\n", SF_COUNT_TO_LONG (sfinfo.frames), datalen) ;
597 exit (1) ;
598 } ;
599
600 if (sfinfo.frames > (datalen + datalen / 20))
601 { printf ("Too many frames in file. (%ld should be a little more than %ld)\n", SF_COUNT_TO_LONG (sfinfo.frames), datalen) ;
602 exit (1) ;
603 } ;
604
605 if (sfinfo.channels != channels)
606 { printf ("Incorrect number of channels in file.\n") ;
607 exit (1) ;
608 } ;
609
610 check_log_buffer_or_die (file, __LINE__) ;
611
612 check_comment (file, filetype, __LINE__) ;
613
614 test_readf_short_or_die (file, 0, data, datalen, __LINE__) ;
615
616 half_max_abs = 0 ;
617 for (k = 0 ; k < datalen ; k++)
618 { if (error_function (data [k], orig [k], margin))
619 { printf ("\n\nLine %d: Incorrect sample A (#%d : %d should be %d).\n", __LINE__, k, data [k], orig [k]) ;
620 oct_save_short (orig, data, datalen) ;
621 exit (1) ;
622 } ;
623 half_max_abs = LCT_MAX (half_max_abs, abs (data [k] / 2)) ;
624 } ;
625
626 if (half_max_abs < 1.0)
627 { printf ("\n\nLine %d: Signal is all zeros.\n", __LINE__) ;
628 exit (1) ;
629 } ;
630
631 if ((k = sf_readf_short (file, data, datalen)) != sfinfo.frames - datalen)
632 { printf ("\n\nLine %d: Incorrect read length (%ld should be %d).\n", __LINE__,
633 SF_COUNT_TO_LONG (channels * sfinfo.frames - datalen), k) ;
634 exit (1) ;
635 } ;
636
637 /* This check is only for block based encoders which must append silence
638 ** to the end of a file so as to fill out a block.
639 */
640 for (k = 0 ; k < sfinfo.frames - datalen ; k++)
641 if (abs (data [channels * k]) > decay_response (channels * k))
642 { printf ("\n\nLine %d : Incorrect sample B (#%d : abs (%d) should be < %d).\n", __LINE__, channels * k, data [channels * k], decay_response (channels * k)) ;
643 exit (1) ;
644 } ;
645
646 if (! sfinfo.seekable)
647 { sf_close (file) ;
648 unlink (filename) ;
649 printf ("ok\n") ;
650 return ;
651 } ;
652
653 /* Now test sf_seek function. */
654
655 if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
656 { printf ("\n\nLine %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
657 exit (1) ;
658 } ;
659
660 for (m = 0 ; m < 3 ; m++)
661 { test_readf_short_or_die (file, m, data, 11, __LINE__) ;
662
663 for (k = 0 ; k < channels * 11 ; k++)
664 if (error_function (1.0 * data [k], 1.0 * orig [k + channels * m * 11], margin))
665 { printf ("\n\nLine %d: Incorrect sample (m = %d) (#%d : %d => %d).\n", __LINE__, m, k + channels * m * 11, orig [k + channels * m * 11], data [k]) ;
666 for (m = 0 ; m < channels ; m++)
667 printf ("%d ", data [m]) ;
668 printf ("\n") ;
669 exit (1) ;
670 } ;
671 } ;
672
673 seekpos = BUFFER_SIZE / 10 ;
674
675 /* Check seek from start of file. */
676 if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
677 { printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
678 exit (1) ;
679 } ;
680
681 test_readf_short_or_die (file, 0, data, 1, __LINE__) ;
682
683 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin))
684 { printf ("\n\nLine %d: sf_seek (SEEK_SET) followed by sf_readf_short failed (%d, %d).\n", __LINE__, orig [1], data [0]) ;
685 exit (1) ;
686 } ;
687
688 if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
689 { printf ("\n\nLine %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", __LINE__, k, seekpos + 1) ;
690 exit (1) ;
691 } ;
692
693 seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
694 k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
695 test_readf_short_or_die (file, 0, data, 1, __LINE__) ;
696 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin) || k != seekpos)
697 { printf ("\n\nLine %d: sf_seek (forwards, SEEK_CUR) followed by sf_readf_short failed (%d, %d) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos + 1) ;
698 oct_save_short (orig, data, datalen) ;
699 exit (1) ;
700 } ;
701
702 seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
703 /* Check seek backward from current position. */
704 k = sf_seek (file, -20, SEEK_CUR) ;
705 test_readf_short_or_die (file, 0, data, 1, __LINE__) ;
706 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin) || k != seekpos)
707 { printf ("\nLine %d: sf_seek (backwards, SEEK_CUR) followed by sf_readf_short failed (%d, %d) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos) ;
708 exit (1) ;
709 } ;
710
711 /* Check that read past end of file returns number of items. */
712 sf_seek (file, sfinfo.frames, SEEK_SET) ;
713
714 if ((k = sf_readf_short (file, data, datalen)) != 0)
715 { printf ("\n\nLine %d: Return value from sf_readf_short past end of file incorrect (%d).\n", __LINE__, k) ;
716 exit (1) ;
717 } ;
718
719 /* Check seek backward from end. */
720 if ((k = sf_seek (file, 5 - sfinfo.frames, SEEK_END)) != 5)
721 { printf ("\n\nLine %d: sf_seek (SEEK_END) returned %d instead of %d.\n", __LINE__, k, 5) ;
722 exit (1) ;
723 } ;
724
725 test_readf_short_or_die (file, 0, data, 1, __LINE__) ;
726 if (error_function (1.0 * data [0], 1.0 * orig [5 * channels], margin))
727 { printf ("\nLine %d: sf_seek (SEEK_END) followed by sf_readf_short failed (%d should be %d).\n", __LINE__, data [0], orig [5 * channels]) ;
728 exit (1) ;
729 } ;
730
731 sf_close (file) ;
732
733 unlink (filename) ;
734 printf ("ok\n") ;
735 } /* lcomp_test_short */
736
737 /*--------------------------------------------------------------------------------------------
738 */
739
740 static void
741 lcomp_test_int (const char *filename, int filetype, int channels, double margin)
742 { SNDFILE *file ;
743 SF_INFO sfinfo ;
744 int k, m, half_max_abs ;
745 long datalen, seekpos ;
746 double scale, max_val ;
747 int *orig, *data ;
748
749 print_test_name ("lcomp_test_int", filename) ;
750
751 datalen = BUFFER_SIZE / channels ;
752
753 if (is_lossy (filetype))
754 { scale = 1.0 * 0x10000 ;
755 max_val = 32000.0 * scale ;
756 }
757 else
758 { scale = 1.0 ;
759 max_val = 0x7fffffff * scale ;
760 } ;
761
762 data = data_buffer.i ;
763 orig = orig_buffer.i ;
764
765 gen_signal_double (orig_buffer.d, max_val, channels, datalen) ;
766
767 for (k = 0 ; k < channels * datalen ; k++)
768 orig [k] = lrint (orig_buffer.d [k]) ;
769
770 sfinfo.samplerate = SAMPLE_RATE ;
771 sfinfo.frames = 123456789 ; /* Ridiculous value. */
772 sfinfo.channels = channels ;
773 sfinfo.format = filetype ;
774
775 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
776 test_writef_int_or_die (file, 0, orig, datalen, __LINE__) ;
777 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
778 sf_close (file) ;
779
780 memset (data, 0, datalen * sizeof (int)) ;
781
782 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
783 memset (&sfinfo, 0, sizeof (sfinfo)) ;
784
785 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
786
787 if ((sfinfo.format & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)) != (filetype & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)))
788 { printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
789 exit (1) ;
790 } ;
791
792 if (sfinfo.frames < datalen / channels)
793 { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
794 exit (1) ;
795 } ;
796
797 if (sfinfo.frames > (datalen + datalen / 20))
798 { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
799 exit (1) ;
800 } ;
801
802 if (sfinfo.channels != channels)
803 { printf ("Incorrect number of channels in file.\n") ;
804 exit (1) ;
805 } ;
806
807 check_log_buffer_or_die (file, __LINE__) ;
808
809 check_comment (file, filetype, __LINE__) ;
810
811 test_readf_int_or_die (file, 0, data, datalen, __LINE__) ;
812
813 half_max_abs = 0 ;
814 for (k = 0 ; k < datalen ; k++)
815 { if (error_function (data [k] / scale, orig [k] / scale, margin))
816 { printf ("\nLine %d: Incorrect sample (#%d : %f should be %f).\n", __LINE__, k, data [k] / scale, orig [k] / scale) ;
817 oct_save_int (orig, data, datalen) ;
818 exit (1) ;
819 } ;
820 half_max_abs = LCT_MAX (half_max_abs, abs (data [k] / 2)) ;
821 } ;
822
823 if (half_max_abs < 1.0)
824 { printf ("\n\nLine %d: Signal is all zeros (%d, 0x%X).\n", __LINE__, half_max_abs, half_max_abs) ;
825 exit (1) ;
826 } ;
827
828 if ((k = sf_readf_int (file, data, datalen)) != sfinfo.frames - datalen)
829 { printf ("\n\nLine %d: Incorrect read length (%ld should be %d).\n", __LINE__,
830 SF_COUNT_TO_LONG (channels * sfinfo.frames - datalen), k) ;
831 exit (1) ;
832 } ;
833
834 /* This check is only for block based encoders which must append silence
835 ** to the end of a file so as to fill out a block.
836 */
837 if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM)
838 for (k = 0 ; k < sfinfo.frames - datalen ; k++)
839 if (abs (data [channels * k] / scale) > decay_response (channels * k))
840 { printf ("\n\nLine %d : Incorrect sample B (#%d : abs (%d) should be < %d).\n", __LINE__, channels * k, data [channels * k], decay_response (channels * k)) ;
841 exit (1) ;
842 } ;
843
844 if (! sfinfo.seekable)
845 { sf_close (file) ;
846 unlink (filename) ;
847 printf ("ok\n") ;
848 return ;
849 } ;
850
851 /* Now test sf_seek function. */
852
853 if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
854 { printf ("\n\nLine %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
855 exit (1) ;
856 } ;
857
858 for (m = 0 ; m < 3 ; m++)
859 { test_readf_int_or_die (file, m, data, 11, __LINE__) ;
860
861 for (k = 0 ; k < channels * 11 ; k++)
862 if (error_function (data [k] / scale, orig [k + channels * m * 11] / scale, margin))
863 { printf ("\nLine %d: Incorrect sample (m = %d) (#%d : %d => %d).\n", __LINE__, m, k + channels * m * 11, orig [k + channels * m * 11], data [k]) ;
864 for (m = 0 ; m < channels ; m++)
865 printf ("%d ", data [m]) ;
866 printf ("\n") ;
867 exit (1) ;
868 } ;
869 } ;
870
871 seekpos = BUFFER_SIZE / 10 ;
872
873 /* Check seek from start of file. */
874 if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
875 { printf ("Seek to start of file + %ld failed (%d).\n", seekpos, k) ;
876 exit (1) ;
877 } ;
878
879 test_readf_int_or_die (file, 0, data, 1, __LINE__) ;
880
881 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin))
882 { printf ("\nLine %d: sf_seek (SEEK_SET) followed by sf_readf_int failed (%d, %d).\n", __LINE__, orig [1], data [0]) ;
883 exit (1) ;
884 } ;
885
886 if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
887 { printf ("\n\nLine %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %ld)\n", __LINE__, k, seekpos + 1) ;
888 exit (1) ;
889 } ;
890
891 seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
892 k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
893 test_readf_int_or_die (file, 0, data, 1, __LINE__) ;
894 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin) || k != seekpos)
895 { printf ("\nLine %d: sf_seek (forwards, SEEK_CUR) followed by sf_readf_int failed (%d, %d) (%d, %ld).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos + 1) ;
896 exit (1) ;
897 } ;
898
899 seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
900 /* Check seek backward from current position. */
901 k = sf_seek (file, -20, SEEK_CUR) ;
902 test_readf_int_or_die (file, 0, data, 1, __LINE__) ;
903 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin) || k != seekpos)
904 { printf ("\nLine %d: sf_seek (backwards, SEEK_CUR) followed by sf_readf_int failed (%d, %d) (%d, %ld).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos) ;
905 exit (1) ;
906 } ;
907
908 /* Check that read past end of file returns number of items. */
909 sf_seek (file, sfinfo.frames, SEEK_SET) ;
910
911 if ((k = sf_readf_int (file, data, datalen)) != 0)
912 { printf ("\n\nLine %d: Return value from sf_readf_int past end of file incorrect (%d).\n", __LINE__, k) ;
913 exit (1) ;
914 } ;
915
916 /* Check seek backward from end. */
917 if ((k = sf_seek (file, 5 - sfinfo.frames, SEEK_END)) != 5)
918 { printf ("\n\nLine %d: sf_seek (SEEK_END) returned %d instead of %d.\n", __LINE__, k, 5) ;
919 exit (1) ;
920 } ;
921
922 test_readf_int_or_die (file, 0, data, 1, __LINE__) ;
923 if (error_function (data [0] / scale, orig [5 * channels] / scale, margin))
924 { printf ("\nLine %d: sf_seek (SEEK_END) followed by sf_readf_short failed (%d should be %d).\n", __LINE__, data [0], orig [5]) ;
925 exit (1) ;
926 } ;
927
928 sf_close (file) ;
929
930 unlink (filename) ;
931 printf ("ok\n") ;
932 } /* lcomp_test_int */
933
934 /*--------------------------------------------------------------------------------------------
935 */
936
937 static void
938 lcomp_test_float (const char *filename, int filetype, int channels, double margin)
939 { SNDFILE *file ;
940 SF_INFO sfinfo ;
941 int k, m, seekpos ;
942 long datalen ;
943 float *orig, *data ;
944 double half_max_abs ;
945
946 print_test_name ("lcomp_test_float", filename) ;
947
948 datalen = BUFFER_SIZE / channels ;
949
950 data = data_buffer.f ;
951 orig = orig_buffer.f ;
952
953 gen_signal_double (orig_buffer.d, 32000.0, channels, datalen) ;
954 for (k = 0 ; k < channels * datalen ; k++)
955 orig [k] = orig_buffer.d [k] ;
956
957 sfinfo.samplerate = SAMPLE_RATE ;
958 sfinfo.frames = 123456789 ; /* Ridiculous value. */
959 sfinfo.channels = channels ;
960 sfinfo.format = filetype ;
961
962 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
963 sf_command (file, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;
964 test_writef_float_or_die (file, 0, orig, datalen, __LINE__) ;
965 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
966 sf_close (file) ;
967
968 memset (data, 0, datalen * sizeof (float)) ;
969
970 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
971 memset (&sfinfo, 0, sizeof (sfinfo)) ;
972
973 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
974
975 if ((sfinfo.format & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)) != (filetype & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)))
976 { printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
977 exit (1) ;
978 } ;
979
980 if (sfinfo.frames < datalen / channels)
981 { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
982 exit (1) ;
983 } ;
984
985 if (sfinfo.frames > (datalen + datalen / 20))
986 { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
987 exit (1) ;
988 } ;
989
990 if (sfinfo.channels != channels)
991 { printf ("Incorrect number of channels in file.\n") ;
992 exit (1) ;
993 } ;
994
995 check_comment (file, filetype, __LINE__) ;
996
997 sf_command (file, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;
998
999 check_log_buffer_or_die (file, __LINE__) ;
1000
1001 check_comment (file, filetype, __LINE__) ;
1002
1003 sf_command (file, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;
1004
1005 test_readf_float_or_die (file, 0, data, datalen, __LINE__) ;
1006
1007 half_max_abs = 0.0 ;
1008 for (k = 0 ; k < datalen ; k++)
1009 { if (error_function (data [k], orig [k], margin))
1010 { printf ("\nLine %d: Incorrect sample A (#%d : %f should be %f).\n", __LINE__, k, data [k], orig [k]) ;
1011 oct_save_float (orig, data, datalen) ;
1012 exit (1) ;
1013 } ;
1014 half_max_abs = LCT_MAX (half_max_abs, fabs (0.5 * data [k])) ;
1015 } ;
1016
1017 if (half_max_abs < 1.0)
1018 { printf ("\n\nLine %d: Signal is all zeros.\n", __LINE__) ;
1019 exit (1) ;
1020 } ;
1021
1022 if ((k = sf_readf_float (file, data, datalen)) != sfinfo.frames - datalen)
1023 { printf ("\n\nLine %d: Incorrect read length (%ld should be %d).\n", __LINE__,
1024 SF_COUNT_TO_LONG (channels * sfinfo.frames - datalen), k) ;
1025 exit (1) ;
1026 } ;
1027
1028 /* This check is only for block based encoders which must append silence
1029 ** to the end of a file so as to fill out a block.
1030 */
1031 if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM)
1032 for (k = 0 ; k < sfinfo.frames - datalen ; k++)
1033 if (abs (data [channels * k]) > decay_response (channels * k))
1034 { printf ("\n\nLine %d : Incorrect sample B (#%d : abs (%f) should be < %d).\n", __LINE__, channels * k, data [channels * k], decay_response (channels * k)) ;
1035 exit (1) ;
1036 } ;
1037
1038 if (! sfinfo.seekable)
1039 { sf_close (file) ;
1040 unlink (filename) ;
1041 printf ("ok\n") ;
1042 return ;
1043 } ;
1044
1045 /* Now test sf_seek function. */
1046
1047 if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
1048 { printf ("\n\nLine %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
1049 exit (1) ;
1050 } ;
1051
1052 for (m = 0 ; m < 3 ; m++)
1053 { test_readf_float_or_die (file, 0, data, 11, __LINE__) ;
1054
1055 for (k = 0 ; k < channels * 11 ; k++)
1056 if (error_function (data [k], orig [k + channels * m * 11], margin))
1057 { printf ("\nLine %d: Incorrect sample (m = %d) (#%d : %f => %f).\n", __LINE__, m, k + channels * m * 11, orig [k + channels * m * 11], data [k]) ;
1058 for (m = 0 ; m < channels ; m++)
1059 printf ("%f ", data [m]) ;
1060 printf ("\n") ;
1061 exit (1) ;
1062 } ;
1063 } ;
1064
1065 seekpos = BUFFER_SIZE / 10 ;
1066
1067 /* Check seek from start of file. */
1068 if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
1069 { printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
1070 exit (1) ;
1071 } ;
1072
1073 test_readf_float_or_die (file, 0, data, 1, __LINE__) ;
1074
1075 if (error_function (data [0], orig [seekpos * channels], margin))
1076 { printf ("\nLine %d: sf_seek (SEEK_SET) followed by sf_readf_float failed (%f, %f).\n", __LINE__, orig [1], data [0]) ;
1077 exit (1) ;
1078 } ;
1079
1080 if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
1081 { printf ("\n\nLine %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", __LINE__, k, seekpos + 1) ;
1082 exit (1) ;
1083 } ;
1084
1085 seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
1086 k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
1087 test_readf_float_or_die (file, 0, data, 1, __LINE__) ;
1088 if (error_function (data [0], orig [seekpos * channels], margin) || k != seekpos)
1089 { printf ("\nLine %d: sf_seek (forwards, SEEK_CUR) followed by sf_readf_float failed (%f, %f) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos + 1) ;
1090 exit (1) ;
1091 } ;
1092
1093 seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
1094 /* Check seek backward from current position. */
1095 k = sf_seek (file, -20, SEEK_CUR) ;
1096 test_readf_float_or_die (file, 0, data, 1, __LINE__) ;
1097 if (error_function (data [0], orig [seekpos * channels], margin) || k != seekpos)
1098 { printf ("\nLine %d: sf_seek (backwards, SEEK_CUR) followed by sf_readf_float failed (%f, %f) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos) ;
1099 exit (1) ;
1100 } ;
1101
1102 /* Check that read past end of file returns number of items. */
1103 sf_seek (file, sfinfo.frames, SEEK_SET) ;
1104
1105 if ((k = sf_readf_float (file, data, datalen)) != 0)
1106 { printf ("\n\nLine %d: Return value from sf_readf_float past end of file incorrect (%d).\n", __LINE__, k) ;
1107 exit (1) ;
1108 } ;
1109
1110 /* Check seek backward from end. */
1111 if ((k = sf_seek (file, 5 - sfinfo.frames, SEEK_END)) != 5)
1112 { printf ("\n\nLine %d: sf_seek (SEEK_END) returned %d instead of %d.\n", __LINE__, k, 5) ;
1113 exit (1) ;
1114 } ;
1115
1116 test_readf_float_or_die (file, 0, data, 1, __LINE__) ;
1117 if (error_function (data [0], orig [5 * channels], margin))
1118 { printf ("\nLine %d: sf_seek (SEEK_END) followed by sf_readf_short failed (%f should be %f).\n", __LINE__, data [0], orig [5 * channels]) ;
1119 exit (1) ;
1120 } ;
1121
1122 sf_close (file) ;
1123
1124 unlink (filename) ;
1125 printf ("ok\n") ;
1126 } /* lcomp_test_float */
1127
1128 /*--------------------------------------------------------------------------------------------
1129 */
1130
1131 static void
1132 lcomp_test_double (const char *filename, int filetype, int channels, double margin)
1133 { SNDFILE *file ;
1134 SF_INFO sfinfo ;
1135 int k, m, seekpos ;
1136 long datalen ;
1137 double *orig, *data ;
1138 double half_max_abs ;
1139
1140 print_test_name ("lcomp_test_double", filename) ;
1141
1142 datalen = BUFFER_SIZE / channels ;
1143
1144 data = data_buffer.d ;
1145 orig = orig_buffer.d ;
1146
1147 gen_signal_double (orig_buffer.d, 32000.0, channels, datalen) ;
1148 for (k = 0 ; k < channels * datalen ; k++)
1149 orig [k] = orig_buffer.d [k] ;
1150
1151 sfinfo.samplerate = SAMPLE_RATE ;
1152 sfinfo.frames = 123456789 ; /* Ridiculous value. */
1153 sfinfo.channels = channels ;
1154 sfinfo.format = filetype ;
1155
1156 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
1157 sf_command (file, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
1158 test_writef_double_or_die (file, 0, orig, datalen, __LINE__) ;
1159 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
1160 sf_close (file) ;
1161
1162 memset (data, 0, datalen * sizeof (double)) ;
1163
1164 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
1165 memset (&sfinfo, 0, sizeof (sfinfo)) ;
1166
1167 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
1168
1169 if ((sfinfo.format & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)) != (filetype & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)))
1170 { printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
1171 exit (1) ;
1172 } ;
1173
1174 if (sfinfo.frames < datalen / channels)
1175 { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
1176 exit (1) ;
1177 } ;
1178
1179 if (sfinfo.frames > (datalen + datalen / 20))
1180 { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
1181 exit (1) ;
1182 } ;
1183
1184 if (sfinfo.channels != channels)
1185 { printf ("Incorrect number of channels in file.\n") ;
1186 exit (1) ;
1187 } ;
1188
1189 check_comment (file, filetype, __LINE__) ;
1190
1191 sf_command (file, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
1192
1193 check_log_buffer_or_die (file, __LINE__) ;
1194
1195 check_comment (file, filetype, __LINE__) ;
1196
1197 sf_command (file, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
1198
1199 test_readf_double_or_die (file, 0, data, datalen, __LINE__) ;
1200
1201 half_max_abs = 0.0 ;
1202 for (k = 0 ; k < datalen ; k++)
1203 { if (error_function (data [k], orig [k], margin))
1204 { printf ("\nLine %d: Incorrect sample A (#%d : %f should be %f).\n", __LINE__, k, data [k], orig [k]) ;
1205 oct_save_double (orig, data, datalen) ;
1206 exit (1) ;
1207 } ;
1208 half_max_abs = LCT_MAX (half_max_abs, abs (0.5 * data [k])) ;
1209 } ;
1210
1211 if (half_max_abs < 1.0)
1212 { printf ("\n\nLine %d: Signal is all zeros.\n", __LINE__) ;
1213 exit (1) ;
1214 } ;
1215
1216 if ((k = sf_readf_double (file, data, datalen)) != sfinfo.frames - datalen)
1217 { printf ("\n\nLine %d: Incorrect read length (%ld should be %d).\n", __LINE__,
1218 SF_COUNT_TO_LONG (channels * sfinfo.frames - datalen), k) ;
1219 exit (1) ;
1220 } ;
1221
1222 /* This check is only for block based encoders which must append silence
1223 ** to the end of a file so as to fill out a block.
1224 */
1225 if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM)
1226 for (k = 0 ; k < sfinfo.frames - datalen ; k++)
1227 if (abs (data [channels * k]) > decay_response (channels * k))
1228 { printf ("\n\nLine %d : Incorrect sample B (#%d : abs (%f) should be < %d).\n", __LINE__, channels * k, data [channels * k], decay_response (channels * k)) ;
1229 exit (1) ;
1230 } ;
1231
1232 if (! sfinfo.seekable)
1233 { sf_close (file) ;
1234 unlink (filename) ;
1235 printf ("ok\n") ;
1236 return ;
1237 } ;
1238
1239 /* Now test sf_seek function. */
1240
1241 if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
1242 { printf ("\n\nLine %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
1243 exit (1) ;
1244 } ;
1245
1246 for (m = 0 ; m < 3 ; m++)
1247 { test_readf_double_or_die (file, m, data, 11, __LINE__) ;
1248
1249 for (k = 0 ; k < channels * 11 ; k++)
1250 if (error_function (data [k], orig [k + channels * m * 11], margin))
1251 { printf ("\nLine %d: Incorrect sample (m = %d) (#%d : %f => %f).\n", __LINE__, m, k + channels * m * 11, orig [k + channels * m * 11], data [k]) ;
1252 for (m = 0 ; m < channels ; m++)
1253 printf ("%f ", data [m]) ;
1254 printf ("\n") ;
1255 exit (1) ;
1256 } ;
1257 } ;
1258
1259 seekpos = BUFFER_SIZE / 10 ;
1260
1261 /* Check seek from start of file. */
1262 if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
1263 { printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
1264 exit (1) ;
1265 } ;
1266
1267 test_readf_double_or_die (file, 0, data, 1, __LINE__) ;
1268
1269 if (error_function (data [0], orig [seekpos * channels], margin))
1270 { printf ("\nLine %d: sf_seek (SEEK_SET) followed by sf_readf_double failed (%f, %f).\n", __LINE__, orig [1], data [0]) ;
1271 exit (1) ;
1272 } ;
1273
1274 if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
1275 { printf ("\n\nLine %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", __LINE__, k, seekpos + 1) ;
1276 exit (1) ;
1277 } ;
1278
1279 seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
1280 k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
1281 test_readf_double_or_die (file, 0, data, 1, __LINE__) ;
1282 if (error_function (data [0], orig [seekpos * channels], margin) || k != seekpos)
1283 { printf ("\nLine %d: sf_seek (forwards, SEEK_CUR) followed by sf_readf_double failed (%f, %f) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos + 1) ;
1284 exit (1) ;
1285 } ;
1286
1287 seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
1288 /* Check seek backward from current position. */
1289 k = sf_seek (file, -20, SEEK_CUR) ;
1290 test_readf_double_or_die (file, 0, data, 1, __LINE__) ;
1291 if (error_function (data [0], orig [seekpos * channels], margin) || k != seekpos)
1292 { printf ("\nLine %d: sf_seek (backwards, SEEK_CUR) followed by sf_readf_double failed (%f, %f) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos) ;
1293 exit (1) ;
1294 } ;
1295
1296 /* Check that read past end of file returns number of items. */
1297 sf_seek (file, sfinfo.frames, SEEK_SET) ;
1298
1299 if ((k = sf_readf_double (file, data, datalen)) != 0)
1300 { printf ("\n\nLine %d: Return value from sf_readf_double past end of file incorrect (%d).\n", __LINE__, k) ;
1301 exit (1) ;
1302 } ;
1303
1304 /* Check seek backward from end. */
1305 if ((k = sf_seek (file, 5 - sfinfo.frames, SEEK_END)) != 5)
1306 { printf ("\n\nLine %d: sf_seek (SEEK_END) returned %d instead of %d.\n", __LINE__, k, 5) ;
1307 exit (1) ;
1308 } ;
1309
1310 test_readf_double_or_die (file, 0, data, 1, __LINE__) ;
1311 if (error_function (data [0], orig [5 * channels], margin))
1312 { printf ("\nLine %d: sf_seek (SEEK_END) followed by sf_readf_short failed (%f should be %f).\n", __LINE__, data [0], orig [5 * channels]) ;
1313 exit (1) ;
1314 } ;
1315
1316 sf_close (file) ;
1317
1318 unlink (filename) ;
1319 printf ("ok\n") ;
1320 } /* lcomp_test_double */
1321
1322 /*========================================================================================
1323 ** Smoothed differential loss compression tests.
1324 */
1325
1326 static void
1327 sdlcomp_test_short (const char *filename, int filetype, int channels, double margin)
1328 { SNDFILE *file ;
1329 SF_INFO sfinfo ;
1330 int k, m, seekpos, half_max_abs ;
1331 long datalen ;
1332 short *orig, *data, *smooth ;
1333
1334 channels = 1 ;
1335 print_test_name ("sdlcomp_test_short", filename) ;
1336
1337 datalen = BUFFER_SIZE ;
1338
1339 orig = orig_buffer.s ;
1340 data = data_buffer.s ;
1341 smooth = smooth_buffer.s ;
1342
1343 gen_signal_double (orig_buffer.d, 32000.0, channels, datalen) ;
1344 for (k = 0 ; k < datalen ; k++)
1345 orig [k] = lrint (orig_buffer.d [k]) ;
1346
1347 sfinfo.samplerate = SAMPLE_RATE ;
1348 sfinfo.frames = 123456789 ; /* Ridiculous value. */
1349 sfinfo.channels = channels ;
1350 sfinfo.format = filetype ;
1351
1352 /* The Vorbis encoder has a bug on PowerPC and X86-64 with sample rates
1353 ** <= 22050. Increasing the sample rate to 32000 avoids triggering it.
1354 ** See https://trac.xiph.org/ticket/1229
1355 */
1356 if ((file = sf_open (filename, SFM_WRITE, &sfinfo)) == NULL)
1357 { const char * errstr ;
1358
1359 errstr = sf_strerror (NULL) ;
1360 if (strstr (errstr, "Sample rate chosen is known to trigger a Vorbis") == NULL)
1361 { printf ("Line %d: sf_open_fd (SFM_WRITE) failed : %s\n", __LINE__, errstr) ;
1362 dump_log_buffer (NULL) ;
1363 exit (1) ;
1364 } ;
1365
1366 printf ("\n Sample rate -> 32kHz ") ;
1367 sfinfo.samplerate = 32000 ;
1368
1369 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;
1370 } ;
1371
1372 test_write_short_or_die (file, 0, orig, datalen, __LINE__) ;
1373 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
1374 sf_close (file) ;
1375
1376 memset (data, 0, datalen * sizeof (short)) ;
1377
1378 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
1379 memset (&sfinfo, 0, sizeof (sfinfo)) ;
1380
1381 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
1382
1383 if (sfinfo.format != filetype)
1384 { printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
1385 exit (1) ;
1386 } ;
1387
1388 if (sfinfo.frames < datalen / channels)
1389 { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
1390 exit (1) ;
1391 } ;
1392
1393 if (sfinfo.frames > (datalen + 400))
1394 { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", SF_COUNT_TO_LONG (sfinfo.frames), datalen) ;
1395 exit (1) ;
1396 } ;
1397
1398 if (sfinfo.channels != channels)
1399 { printf ("Incorrect number of channels in file.\n") ;
1400 exit (1) ;
1401 } ;
1402
1403 check_comment (file, filetype, __LINE__) ;
1404
1405 sf_command (file, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;
1406
1407 check_log_buffer_or_die (file, __LINE__) ;
1408
1409 test_readf_short_or_die (file, 0, data, datalen, __LINE__) ;
1410
1411 memcpy (smooth, orig, datalen * sizeof (short)) ;
1412 smoothed_diff_short (data, datalen) ;
1413 smoothed_diff_short (smooth, datalen) ;
1414
1415 half_max_abs = 0.0 ;
1416 for (k = 0 ; k < datalen ; k++)
1417 { if (error_function (1.0 * data [k], 1.0 * smooth [k], margin))
1418 { printf ("\nLine %d: Incorrect sample (#%d : %d should be %d).\n", __LINE__, k, data [k], smooth [k]) ;
1419 oct_save_short (orig, smooth, datalen) ;
1420 exit (1) ;
1421 } ;
1422 half_max_abs = LCT_MAX (half_max_abs, abs (0.5 * data [k])) ;
1423 } ;
1424
1425 if (half_max_abs < 1)
1426 { printf ("\n\nLine %d: Signal is all zeros.\n", __LINE__) ;
1427 exit (1) ;
1428 } ;
1429
1430 if ((k = sf_read_short (file, data, datalen)) != sfinfo.frames - datalen)
1431 { printf ("\n\nLine %d: Incorrect read length (%d should be %ld).\n", __LINE__, k, SF_COUNT_TO_LONG (sfinfo.frames - datalen)) ;
1432 exit (1) ;
1433 } ;
1434
1435 if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM &&
1436 (sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_GSM610)
1437 for (k = 0 ; k < sfinfo.frames - datalen ; k++)
1438 if (abs (data [k]) > decay_response (k))
1439 { printf ("\n\nLine %d: Incorrect sample (#%ld : abs (%d) should be < %d).\n", __LINE__, datalen + k, data [k], decay_response (k)) ;
1440 exit (1) ;
1441 } ;
1442
1443 /* Now test sf_seek function. */
1444 if (sfinfo.seekable)
1445 { if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
1446 { printf ("\n\nLine %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
1447 exit (1) ;
1448 } ;
1449
1450 for (m = 0 ; m < 3 ; m++)
1451 { test_readf_short_or_die (file, m, data, datalen / 7, __LINE__) ;
1452
1453 smoothed_diff_short (data, datalen / 7) ;
1454 memcpy (smooth, orig + m * datalen / 7, datalen / 7 * sizeof (short)) ;
1455 smoothed_diff_short (smooth, datalen / 7) ;
1456
1457 for (k = 0 ; k < datalen / 7 ; k++)
1458 if (error_function (1.0 * data [k], 1.0 * smooth [k], margin))
1459 { printf ("\nLine %d: Incorrect sample C (#%d (%ld) : %d => %d).\n", __LINE__, k, k + m * (datalen / 7), smooth [k], data [k]) ;
1460 for (m = 0 ; m < 10 ; m++)
1461 printf ("%d ", data [k]) ;
1462 printf ("\n") ;
1463 exit (1) ;
1464 } ;
1465 } ; /* for (m = 0 ; m < 3 ; m++) */
1466
1467 seekpos = BUFFER_SIZE / 10 ;
1468
1469 /* Check seek from start of file. */
1470 if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
1471 { printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
1472 exit (1) ;
1473 } ;
1474 test_readf_short_or_die (file, 0, data, 1, __LINE__) ;
1475
1476 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin))
1477 { printf ("\nLine %d: sf_seek (SEEK_SET) followed by sf_read_short failed (%d, %d).\n", __LINE__, orig [1], data [0]) ;
1478 exit (1) ;
1479 } ;
1480
1481 if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
1482 { printf ("\n\nLine %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", __LINE__, k, seekpos + 1) ;
1483 exit (1) ;
1484 } ;
1485
1486 seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
1487 k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
1488 test_readf_short_or_die (file, 0, data, 1, __LINE__) ;
1489 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin) || k != seekpos)
1490 { printf ("\nLine %d: sf_seek (forwards, SEEK_CUR) followed by sf_read_short failed (%d, %d) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos + 1) ;
1491 exit (1) ;
1492 } ;
1493
1494 seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
1495 /* Check seek backward from current position. */
1496 k = sf_seek (file, -20, SEEK_CUR) ;
1497 test_readf_short_or_die (file, 0, data, 1, __LINE__) ;
1498 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin) || k != seekpos)
1499 { printf ("\nLine %d: sf_seek (backwards, SEEK_CUR) followed by sf_read_short failed (%d, %d) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos) ;
1500 exit (1) ;
1501 } ;
1502
1503 /* Check that read past end of file returns number of items. */
1504 sf_seek (file, sfinfo.frames, SEEK_SET) ;
1505
1506 if ((k = sf_read_short (file, data, datalen)) != 0)
1507 { printf ("\n\nLine %d: Return value from sf_read_short past end of file incorrect (%d).\n", __LINE__, k) ;
1508 exit (1) ;
1509 } ;
1510
1511 /* Check seek backward from end. */
1512
1513 if ((k = sf_seek (file, 5 - sfinfo.frames, SEEK_END)) != 5)
1514 { printf ("\n\nLine %d: sf_seek (SEEK_END) returned %d instead of %d.\n", __LINE__, k, 5) ;
1515 exit (1) ;
1516 } ;
1517
1518 test_read_short_or_die (file, 0, data, channels, __LINE__) ;
1519 if (error_function (1.0 * data [0], 1.0 * orig [5 * channels], margin))
1520 { printf ("\nLine %d: sf_seek (SEEK_END) followed by sf_read_short failed (%d should be %d).\n", __LINE__, data [0], orig [5 * channels]) ;
1521 exit (1) ;
1522 } ;
1523 } /* if (sfinfo.seekable) */
1524
1525 sf_close (file) ;
1526
1527 unlink (filename) ;
1528 printf ("ok\n") ;
1529 } /* sdlcomp_test_short */
1530
1531 static void
1532 sdlcomp_test_int (const char *filename, int filetype, int channels, double margin)
1533 { SNDFILE *file ;
1534 SF_INFO sfinfo ;
1535 int k, m, seekpos, half_max_abs ;
1536 long datalen ;
1537 int *orig, *data, *smooth ;
1538 double scale ;
1539
1540 channels = 1 ;
1541
1542 print_test_name ("sdlcomp_test_int", filename) ;
1543
1544 datalen = BUFFER_SIZE ;
1545 scale = 1.0 * 0x10000 ;
1546
1547 orig = orig_buffer.i ;
1548 data = data_buffer.i ;
1549 smooth = smooth_buffer.i ;
1550
1551 gen_signal_double (orig_buffer.d, 32000.0 * scale, channels, datalen) ;
1552 for (k = 0 ; k < datalen ; k++)
1553 orig [k] = lrint (orig_buffer.d [k]) ;
1554
1555 sfinfo.samplerate = SAMPLE_RATE ;
1556 sfinfo.frames = 123456789 ; /* Ridiculous value. */
1557 sfinfo.channels = channels ;
1558 sfinfo.format = filetype ;
1559
1560 /* The Vorbis encoder has a bug on PowerPC and X86-64 with sample rates
1561 ** <= 22050. Increasing the sample rate to 32000 avoids triggering it.
1562 ** See https://trac.xiph.org/ticket/1229
1563 */
1564 if ((file = sf_open (filename, SFM_WRITE, &sfinfo)) == NULL)
1565 { const char * errstr ;
1566
1567 errstr = sf_strerror (NULL) ;
1568 if (strstr (errstr, "Sample rate chosen is known to trigger a Vorbis") == NULL)
1569 { printf ("Line %d: sf_open_fd (SFM_WRITE) failed : %s\n", __LINE__, errstr) ;
1570 dump_log_buffer (NULL) ;
1571 exit (1) ;
1572 } ;
1573
1574 printf ("\n Sample rate -> 32kHz ") ;
1575 sfinfo.samplerate = 32000 ;
1576
1577 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;
1578 } ;
1579
1580 test_writef_int_or_die (file, 0, orig, datalen, __LINE__) ;
1581 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
1582 sf_close (file) ;
1583
1584 memset (data, 0, datalen * sizeof (int)) ;
1585
1586 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
1587 memset (&sfinfo, 0, sizeof (sfinfo)) ;
1588
1589 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
1590
1591 if (sfinfo.format != filetype)
1592 { printf ("Returned format incorrect (0x%08X => 0x%08X).\n", filetype, sfinfo.format) ;
1593 exit (1) ;
1594 } ;
1595
1596 if (sfinfo.frames < datalen / channels)
1597 { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
1598 exit (1) ;
1599 } ;
1600
1601 if (sfinfo.frames > (datalen + 400))
1602 { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", SF_COUNT_TO_LONG (sfinfo.frames), datalen) ;
1603 exit (1) ;
1604 } ;
1605
1606 if (sfinfo.channels != channels)
1607 { printf ("Incorrect number of channels in file.\n") ;
1608 exit (1) ;
1609 } ;
1610
1611 check_log_buffer_or_die (file, __LINE__) ;
1612
1613 test_readf_int_or_die (file, 0, data, datalen, __LINE__) ;
1614
1615 memcpy (smooth, orig, datalen * sizeof (int)) ;
1616 smoothed_diff_int (data, datalen) ;
1617 smoothed_diff_int (smooth, datalen) ;
1618
1619 half_max_abs = abs (data [0] >> 16) ;
1620 for (k = 1 ; k < datalen ; k++)
1621 { if (error_function (data [k] / scale, smooth [k] / scale, margin))
1622 { printf ("\nLine %d: Incorrect sample (#%d : %d should be %d).\n", __LINE__, k, data [k], smooth [k]) ;
1623 oct_save_int (orig, smooth, datalen) ;
1624 exit (1) ;
1625 } ;
1626 half_max_abs = LCT_MAX (half_max_abs, abs (data [k] / 2)) ;
1627 } ;
1628
1629 if (half_max_abs < 1)
1630 { printf ("\n\nLine %d: Signal is all zeros.\n", __LINE__) ;
1631 exit (1) ;
1632 } ;
1633
1634 if ((k = sf_readf_int (file, data, datalen)) != sfinfo.frames - datalen)
1635 { printf ("\n\nLine %d: Incorrect read length (%d should be %ld).\n", __LINE__, k, SF_COUNT_TO_LONG (sfinfo.frames - datalen)) ;
1636 exit (1) ;
1637 } ;
1638
1639 if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_IMA_ADPCM &&
1640 (sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM &&
1641 (sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_GSM610 &&
1642 (sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_G721_32 &&
1643 (sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_G723_24)
1644 for (k = 0 ; k < sfinfo.frames - datalen ; k++)
1645 if (abs (data [k]) > decay_response (k))
1646 { printf ("\n\nLine %d: Incorrect sample (#%ld : abs (%d) should be < %d).\n", __LINE__, datalen + k, data [k], decay_response (k)) ;
1647 exit (1) ;
1648 } ;
1649
1650 /* Now test sf_seek function. */
1651 if (sfinfo.seekable)
1652 { if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
1653 { printf ("\n\nLine %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
1654 exit (1) ;
1655 } ;
1656
1657 for (m = 0 ; m < 3 ; m++)
1658 { test_readf_int_or_die (file, m, data, datalen / 7, __LINE__) ;
1659
1660 smoothed_diff_int (data, datalen / 7) ;
1661 memcpy (smooth, orig + m * datalen / 7, datalen / 7 * sizeof (int)) ;
1662 smoothed_diff_int (smooth, datalen / 7) ;
1663
1664 for (k = 0 ; k < datalen / 7 ; k++)
1665 if (error_function (data [k] / scale, smooth [k] / scale, margin))
1666 { printf ("\nLine %d: Incorrect sample (#%d (%ld) : %d => %d).\n", __LINE__, k, k + m * (datalen / 7), smooth [k], data [k]) ;
1667 for (m = 0 ; m < 10 ; m++)
1668 printf ("%d ", data [k]) ;
1669 printf ("\n") ;
1670 exit (1) ;
1671 } ;
1672 } ; /* for (m = 0 ; m < 3 ; m++) */
1673
1674 seekpos = BUFFER_SIZE / 10 ;
1675
1676 /* Check seek from start of file. */
1677 if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
1678 { printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
1679 exit (1) ;
1680 } ;
1681 test_readf_int_or_die (file, 0, data, 1, __LINE__) ;
1682
1683 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin))
1684 { printf ("\nLine %d: sf_seek (SEEK_SET) followed by sf_readf_int failed (%d, %d).\n", __LINE__, orig [1], data [0]) ;
1685 exit (1) ;
1686 } ;
1687
1688 if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
1689 { printf ("\n\nLine %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", __LINE__, k, seekpos + 1) ;
1690 exit (1) ;
1691 } ;
1692
1693 seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
1694 k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
1695 test_readf_int_or_die (file, 0, data, 1, __LINE__) ;
1696 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin) || k != seekpos)
1697 { printf ("\nLine %d: sf_seek (forwards, SEEK_CUR) followed by sf_readf_int failed (%d, %d) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos + 1) ;
1698 exit (1) ;
1699 } ;
1700
1701 seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
1702 /* Check seek backward from current position. */
1703 k = sf_seek (file, -20, SEEK_CUR) ;
1704 test_readf_int_or_die (file, 0, data, 1, __LINE__) ;
1705 if (error_function (1.0 * data [0], 1.0 * orig [seekpos * channels], margin) || k != seekpos)
1706 { printf ("\nLine %d: sf_seek (backwards, SEEK_CUR) followed by sf_readf_int failed (%d, %d) (%d, %d).\n", __LINE__, data [0], orig [seekpos * channels], k, seekpos) ;
1707 exit (1) ;
1708 } ;
1709
1710 /* Check that read past end of file returns number of items. */
1711 sf_seek (file, sfinfo.frames, SEEK_SET) ;
1712
1713 if ((k = sf_readf_int (file, data, datalen)) != 0)
1714 { printf ("\n\nLine %d: Return value from sf_readf_int past end of file incorrect (%d).\n", __LINE__, k) ;
1715 exit (1) ;
1716 } ;
1717
1718 /* Check seek backward from end. */
1719
1720 if ((k = sf_seek (file, 5 - sfinfo.frames, SEEK_END)) != 5)
1721 { printf ("\n\nLine %d: sf_seek (SEEK_END) returned %d instead of %d.\n", __LINE__, k, 5) ;
1722 exit (1) ;
1723 } ;
1724
1725 test_readf_int_or_die (file, 0, data, 1, __LINE__) ;
1726 if (error_function (data [0] / scale, orig [5] / scale, margin))
1727 { printf ("\nLine %d: sf_seek (SEEK_END) followed by sf_readf_int failed (%d should be %d).\n", __LINE__, data [0], orig [5]) ;
1728 exit (1) ;
1729 } ;
1730 } /* if (sfinfo.seekable) */
1731
1732 sf_close (file) ;
1733
1734 unlink (filename) ;
1735 printf ("ok\n") ;
1736 } /* sdlcomp_test_int */
1737
1738 static void
1739 sdlcomp_test_float (const char *filename, int filetype, int channels, double margin)
1740 { SNDFILE *file ;
1741 SF_INFO sfinfo ;
1742 int k, m, seekpos ;
1743 long datalen ;
1744 float *orig, *data, *smooth ;
1745 double half_max_abs ;
1746
1747 channels = 1 ;
1748
1749 print_test_name ("sdlcomp_test_float", filename) ;
1750
1751 if ((filetype & SF_FORMAT_SUBMASK) == SF_FORMAT_VORBIS)
1752 { puts ("Not working for this format.") ;
1753 return ;
1754 } ;
1755
1756 printf ("** fix this ** ") ;
1757
1758 datalen = BUFFER_SIZE ;
1759
1760 orig = orig_buffer.f ;
1761 data = data_buffer.f ;
1762 smooth = smooth_buffer.f ;
1763
1764 gen_signal_double (orig_buffer.d, 32000.0, channels, datalen) ;
1765 for (k = 0 ; k < datalen ; k++)
1766 orig [k] = lrint (orig_buffer.d [k]) ;
1767
1768 sfinfo.samplerate = SAMPLE_RATE ;
1769 sfinfo.frames = 123456789 ; /* Ridiculous value. */
1770 sfinfo.channels = channels ;
1771 sfinfo.format = filetype ;
1772
1773 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
1774 sf_command (file, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;
1775 test_write_float_or_die (file, 0, orig, datalen, __LINE__) ;
1776 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
1777 sf_close (file) ;
1778
1779 memset (data, 0, datalen * sizeof (float)) ;
1780
1781 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
1782 memset (&sfinfo, 0, sizeof (sfinfo)) ;
1783
1784 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
1785
1786 if ((sfinfo.format & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)) != (filetype & (SF_FORMAT_TYPEMASK | SF_FORMAT_SUBMASK)))
1787 { printf ("\n\nLine %d: Returned format incorrect (0x%08X => 0x%08X).\n", __LINE__, filetype, sfinfo.format) ;
1788 exit (1) ;
1789 } ;
1790
1791 if (sfinfo.frames < datalen / channels)
1792 { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
1793 exit (1) ;
1794 } ;
1795
1796 if (sfinfo.frames > (datalen + 400))
1797 { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", SF_COUNT_TO_LONG (sfinfo.frames), datalen) ;
1798 exit (1) ;
1799 } ;
1800
1801 if (sfinfo.channels != channels)
1802 { printf ("Incorrect number of channels in file.\n") ;
1803 exit (1) ;
1804 } ;
1805
1806 check_comment (file, filetype, __LINE__) ;
1807
1808 sf_command (file, SFC_SET_NORM_FLOAT, NULL, SF_FALSE) ;
1809
1810 check_log_buffer_or_die (file, __LINE__) ;
1811
1812 test_read_float_or_die (file, 0, data, datalen, __LINE__) ;
1813
1814 memcpy (smooth, orig, datalen * sizeof (float)) ;
1815 smoothed_diff_float (data, datalen) ;
1816 smoothed_diff_float (smooth, datalen) ;
1817
1818 half_max_abs = fabs (data [0]) ;
1819 for (k = 1 ; k < datalen ; k++)
1820 { if (error_function (data [k], smooth [k], margin))
1821 { printf ("\nLine %d: Incorrect sample (#%d : %d should be %d).\n", __LINE__, k, (int) data [k], (int) smooth [k]) ;
1822 oct_save_float (orig, smooth, datalen) ;
1823 exit (1) ;
1824 } ;
1825 half_max_abs = LCT_MAX (half_max_abs, abs (0.5 * data [k])) ;
1826 } ;
1827
1828 if (half_max_abs <= 0.0)
1829 { printf ("\n\nLine %d: Signal is all zeros.\n", __LINE__) ;
1830 printf ("half_max_abs : % 10.6f\n", half_max_abs) ;
1831 exit (1) ;
1832 } ;
1833
1834 if ((k = sf_read_float (file, data, datalen)) != sfinfo.frames - datalen)
1835 { printf ("\n\nLine %d: Incorrect read length (%d should be %ld).\n", __LINE__, k, SF_COUNT_TO_LONG (sfinfo.frames - datalen)) ;
1836 exit (1) ;
1837 } ;
1838
1839 if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM &&
1840 (sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_GSM610)
1841 for (k = 0 ; k < sfinfo.frames - datalen ; k++)
1842 if (abs (data [k]) > decay_response (k))
1843 { printf ("\n\nLine %d: Incorrect sample (#%ld : abs (%d) should be < %d).\n", __LINE__, datalen + k, (int) data [k], (int) decay_response (k)) ;
1844 exit (1) ;
1845 } ;
1846
1847 /* Now test sf_seek function. */
1848 if (sfinfo.seekable)
1849 { if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
1850 { printf ("\n\nLine %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
1851 exit (1) ;
1852 } ;
1853
1854 for (m = 0 ; m < 3 ; m++)
1855 { test_read_float_or_die (file, 0, data, datalen / 7, __LINE__) ;
1856
1857 smoothed_diff_float (data, datalen / 7) ;
1858 memcpy (smooth, orig + m * datalen / 7, datalen / 7 * sizeof (float)) ;
1859 smoothed_diff_float (smooth, datalen / 7) ;
1860
1861 for (k = 0 ; k < datalen / 7 ; k++)
1862 if (error_function (data [k], smooth [k], margin))
1863 { printf ("\nLine %d: Incorrect sample C (#%d (%ld) : %d => %d).\n", __LINE__, k, k + m * (datalen / 7), (int) smooth [k], (int) data [k]) ;
1864 for (m = 0 ; m < 10 ; m++)
1865 printf ("%d ", (int) data [k]) ;
1866 printf ("\n") ;
1867 exit (1) ;
1868 } ;
1869 } ; /* for (m = 0 ; m < 3 ; m++) */
1870
1871 seekpos = BUFFER_SIZE / 10 ;
1872
1873 /* Check seek from start of file. */
1874 if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
1875 { printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
1876 exit (1) ;
1877 } ;
1878 test_read_float_or_die (file, 0, data, channels, __LINE__) ;
1879
1880 if (error_function (data [0], orig [seekpos * channels], margin))
1881 { printf ("\nLine %d: sf_seek (SEEK_SET) followed by sf_read_float failed (%d, %d).\n", __LINE__, (int) orig [1], (int) data [0]) ;
1882 exit (1) ;
1883 } ;
1884
1885 if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
1886 { printf ("\n\nLine %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", __LINE__, k, seekpos + 1) ;
1887 exit (1) ;
1888 } ;
1889
1890 seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
1891 k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
1892 test_read_float_or_die (file, 0, data, channels, __LINE__) ;
1893 if (error_function (data [0], orig [seekpos * channels], margin) || k != seekpos)
1894 { printf ("\nLine %d: sf_seek (forwards, SEEK_CUR) followed by sf_read_float failed (%d, %d) (%d, %d).\n", __LINE__, (int) data [0], (int) orig [seekpos * channels], k, seekpos + 1) ;
1895 exit (1) ;
1896 } ;
1897
1898 seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
1899 /* Check seek backward from current position. */
1900 k = sf_seek (file, -20, SEEK_CUR) ;
1901 test_read_float_or_die (file, 0, data, channels, __LINE__) ;
1902 if (error_function (data [0], orig [seekpos * channels], margin) || k != seekpos)
1903 { printf ("\nLine %d: sf_seek (backwards, SEEK_CUR) followed by sf_read_float failed (%d, %d) (%d, %d).\n", __LINE__, (int) data [0], (int) orig [seekpos * channels], k, seekpos) ;
1904 exit (1) ;
1905 } ;
1906
1907 /* Check that read past end of file returns number of items. */
1908 sf_seek (file, sfinfo.frames, SEEK_SET) ;
1909
1910 if ((k = sf_read_float (file, data, datalen)) != 0)
1911 { printf ("\n\nLine %d: Return value from sf_read_float past end of file incorrect (%d).\n", __LINE__, k) ;
1912 exit (1) ;
1913 } ;
1914
1915 /* Check seek backward from end. */
1916
1917 if ((k = sf_seek (file, 5 - sfinfo.frames, SEEK_END)) != 5)
1918 { printf ("\n\nLine %d: sf_seek (SEEK_END) returned %d instead of %d.\n", __LINE__, k, 5) ;
1919 exit (1) ;
1920 } ;
1921
1922 test_read_float_or_die (file, 0, data, channels, __LINE__) ;
1923 if (error_function (data [0], orig [5 * channels], margin))
1924 { printf ("\nLine %d: sf_seek (SEEK_END) followed by sf_read_float failed (%f should be %f).\n", __LINE__, data [0], orig [5 * channels]) ;
1925 exit (1) ;
1926 } ;
1927 } /* if (sfinfo.seekable) */
1928
1929 sf_close (file) ;
1930
1931 unlink (filename) ;
1932 printf ("ok\n") ;
1933 } /* sdlcomp_test_float */
1934
1935 static void
1936 sdlcomp_test_double (const char *filename, int filetype, int channels, double margin)
1937 { SNDFILE *file ;
1938 SF_INFO sfinfo ;
1939 int k, m, seekpos ;
1940 long datalen ;
1941 double *orig, *data, *smooth, half_max_abs ;
1942
1943 channels = 1 ;
1944 print_test_name ("sdlcomp_test_double", filename) ;
1945
1946 if ((filetype & SF_FORMAT_SUBMASK) == SF_FORMAT_VORBIS)
1947 { puts ("Not working for this format.") ;
1948 return ;
1949 } ;
1950
1951 datalen = BUFFER_SIZE ;
1952
1953 orig = orig_buffer.d ;
1954 data = data_buffer.d ;
1955 smooth = smooth_buffer.d ;
1956
1957 gen_signal_double (orig_buffer.d, 32000.0, channels, datalen) ;
1958
1959 sfinfo.samplerate = SAMPLE_RATE ;
1960 sfinfo.frames = 123456789 ; /* Ridiculous value. */
1961 sfinfo.channels = channels ;
1962 sfinfo.format = filetype ;
1963
1964 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
1965 sf_command (file, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
1966 test_write_double_or_die (file, 0, orig, datalen, __LINE__) ;
1967 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
1968 sf_close (file) ;
1969
1970 memset (data, 0, datalen * sizeof (double)) ;
1971
1972 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
1973 memset (&sfinfo, 0, sizeof (sfinfo)) ;
1974
1975 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
1976
1977 if (sfinfo.format != filetype)
1978 { printf ("Returned format incorrect (0x%08X => 0x%08X).\n", filetype, sfinfo.format) ;
1979 exit (1) ;
1980 } ;
1981
1982 if (sfinfo.frames < datalen / channels)
1983 { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
1984 exit (1) ;
1985 } ;
1986
1987 if (sfinfo.frames > (datalen + 400))
1988 { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", SF_COUNT_TO_LONG (sfinfo.frames), datalen) ;
1989 exit (1) ;
1990 } ;
1991
1992 if (sfinfo.channels != channels)
1993 { printf ("Incorrect number of channels in file.\n") ;
1994 exit (1) ;
1995 } ;
1996
1997 check_comment (file, filetype, __LINE__) ;
1998
1999 check_comment (file, filetype, __LINE__) ;
2000
2001 sf_command (file, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
2002
2003 check_log_buffer_or_die (file, __LINE__) ;
2004
2005 test_read_double_or_die (file, 0, data, datalen, __LINE__) ;
2006
2007 memcpy (smooth, orig, datalen * sizeof (double)) ;
2008 smoothed_diff_double (data, datalen) ;
2009 smoothed_diff_double (smooth, datalen) ;
2010
2011 half_max_abs = 0.0 ;
2012 for (k = 0 ; k < datalen ; k++)
2013 { if (error_function (data [k], smooth [k], margin))
2014 { printf ("\n\nLine %d: Incorrect sample (#%d : %d should be %d).\n", __LINE__, k, (int) data [k], (int) smooth [k]) ;
2015 oct_save_double (orig, smooth, datalen) ;
2016 exit (1) ;
2017 } ;
2018 half_max_abs = LCT_MAX (half_max_abs, 0.5 * fabs (data [k])) ;
2019 } ;
2020
2021 if (half_max_abs < 1.0)
2022 { printf ("\n\nLine %d: Signal is all zeros.\n", __LINE__) ;
2023 exit (1) ;
2024 } ;
2025
2026 if ((k = sf_read_double (file, data, datalen)) != sfinfo.frames - datalen)
2027 { printf ("\n\nLine %d: Incorrect read length (%d should be %ld).\n", __LINE__, k, SF_COUNT_TO_LONG (sfinfo.frames - datalen)) ;
2028 exit (1) ;
2029 } ;
2030
2031 if ((sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_MS_ADPCM &&
2032 (sfinfo.format & SF_FORMAT_SUBMASK) != SF_FORMAT_GSM610)
2033 for (k = 0 ; k < sfinfo.frames - datalen ; k++)
2034 if (abs (data [k]) > decay_response (k))
2035 { printf ("\n\nLine %d: Incorrect sample (#%ld : abs (%d) should be < %d).\n", __LINE__, datalen + k, (int) data [k], (int) decay_response (k)) ;
2036 exit (1) ;
2037 } ;
2038
2039 /* Now test sf_seek function. */
2040 if (sfinfo.seekable)
2041 { if ((k = sf_seek (file, 0, SEEK_SET)) != 0)
2042 { printf ("\n\nLine %d: Seek to start of file failed (%d).\n", __LINE__, k) ;
2043 exit (1) ;
2044 } ;
2045
2046 for (m = 0 ; m < 3 ; m++)
2047 { test_read_double_or_die (file, m, data, datalen / 7, __LINE__) ;
2048
2049 smoothed_diff_double (data, datalen / 7) ;
2050 memcpy (smooth, orig + m * datalen / 7, datalen / 7 * sizeof (double)) ;
2051 smoothed_diff_double (smooth, datalen / 7) ;
2052
2053 for (k = 0 ; k < datalen / 7 ; k++)
2054 if (error_function (data [k], smooth [k], margin))
2055 { printf ("\nLine %d: Incorrect sample C (#%d (%ld) : %d => %d).\n", __LINE__, k, k + m * (datalen / 7), (int) smooth [k], (int) data [k]) ;
2056 for (m = 0 ; m < 10 ; m++)
2057 printf ("%d ", (int) data [k]) ;
2058 printf ("\n") ;
2059 exit (1) ;
2060 } ;
2061 } ; /* for (m = 0 ; m < 3 ; m++) */
2062
2063 seekpos = BUFFER_SIZE / 10 ;
2064
2065 /* Check seek from start of file. */
2066 if ((k = sf_seek (file, seekpos, SEEK_SET)) != seekpos)
2067 { printf ("Seek to start of file + %d failed (%d).\n", seekpos, k) ;
2068 exit (1) ;
2069 } ;
2070 test_read_double_or_die (file, 0, data, channels, __LINE__) ;
2071
2072 if (error_function (data [0], orig [seekpos * channels], margin))
2073 { printf ("\nLine %d: sf_seek (SEEK_SET) followed by sf_read_double failed (%d, %d).\n", __LINE__, (int) orig [1], (int) data [0]) ;
2074 exit (1) ;
2075 } ;
2076
2077 if ((k = sf_seek (file, 0, SEEK_CUR)) != seekpos + 1)
2078 { printf ("\n\nLine %d: sf_seek (SEEK_CUR) with 0 offset failed (%d should be %d)\n", __LINE__, k, seekpos + 1) ;
2079 exit (1) ;
2080 } ;
2081
2082 seekpos = sf_seek (file, 0, SEEK_CUR) + BUFFER_SIZE / 5 ;
2083 k = sf_seek (file, BUFFER_SIZE / 5, SEEK_CUR) ;
2084 test_read_double_or_die (file, 0, data, channels, __LINE__) ;
2085 if (error_function (data [0], orig [seekpos * channels], margin) || k != seekpos)
2086 { printf ("\nLine %d: sf_seek (forwards, SEEK_CUR) followed by sf_read_double failed (%d, %d) (%d, %d).\n", __LINE__, (int) data [0], (int) orig [seekpos * channels], k, seekpos + 1) ;
2087 exit (1) ;
2088 } ;
2089
2090 seekpos = sf_seek (file, 0, SEEK_CUR) - 20 ;
2091 /* Check seek backward from current position. */
2092 k = sf_seek (file, -20, SEEK_CUR) ;
2093 test_read_double_or_die (file, 0, data, channels, __LINE__) ;
2094 if (error_function (data [0], orig [seekpos * channels], margin) || k != seekpos)
2095 { printf ("\nLine %d: sf_seek (backwards, SEEK_CUR) followed by sf_read_double failed (%d, %d) (%d, %d).\n", __LINE__, (int) data [0], (int) orig [seekpos * channels], k, seekpos) ;
2096 exit (1) ;
2097 } ;
2098
2099 /* Check that read past end of file returns number of items. */
2100 sf_seek (file, sfinfo.frames, SEEK_SET) ;
2101
2102 if ((k = sf_read_double (file, data, datalen)) != 0)
2103 { printf ("\n\nLine %d: Return value from sf_read_double past end of file incorrect (%d).\n", __LINE__, k) ;
2104 exit (1) ;
2105 } ;
2106
2107 /* Check seek backward from end. */
2108
2109 if ((k = sf_seek (file, 5 - sfinfo.frames, SEEK_END)) != 5)
2110 { printf ("\n\nLine %d: sf_seek (SEEK_END) returned %d instead of %d.\n", __LINE__, k, 5) ;
2111 exit (1) ;
2112 } ;
2113
2114 test_read_double_or_die (file, 0, data, channels, __LINE__) ;
2115 if (error_function (data [0], orig [5 * channels], margin))
2116 { printf ("\nLine %d: sf_seek (SEEK_END) followed by sf_read_double failed (%f should be %f).\n", __LINE__, data [0], orig [5 * channels]) ;
2117 exit (1) ;
2118 } ;
2119 } /* if (sfinfo.seekable) */
2120
2121 sf_close (file) ;
2122
2123 unlink (filename) ;
2124 printf ("ok\n") ;
2125 } /* sdlcomp_test_double */
2126
2127 static void
2128 read_raw_test (const char *filename, int filetype, int channels)
2129 { SNDFILE *file ;
2130 SF_INFO sfinfo ;
2131 sf_count_t count ;
2132 long datalen ;
2133 short *orig, *data ;
2134 int k ;
2135
2136 print_test_name ("read_raw_test", filename) ;
2137
2138 datalen = ARRAY_LEN (orig_buffer.s) / 2 ;
2139
2140 orig = orig_buffer.s ;
2141 data = data_buffer.s ;
2142
2143 gen_signal_double (orig_buffer.d, 32000.0, channels, datalen) ;
2144 for (k = 0 ; k < datalen ; k++)
2145 orig [k] = lrint (orig_buffer.d [k]) ;
2146
2147 sfinfo.samplerate = SAMPLE_RATE ;
2148 sfinfo.frames = 123456789 ; /* Ridiculous value. */
2149 sfinfo.channels = channels ;
2150 sfinfo.format = filetype ;
2151
2152 file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
2153 test_write_short_or_die (file, 0, orig, datalen, __LINE__) ;
2154 sf_set_string (file, SF_STR_COMMENT, long_comment) ;
2155 sf_close (file) ;
2156
2157 memset (data, 0, datalen * sizeof (double)) ;
2158
2159 if ((filetype & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
2160 memset (&sfinfo, 0, sizeof (sfinfo)) ;
2161
2162 file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
2163
2164 if (sfinfo.format != filetype)
2165 { printf ("Returned format incorrect (0x%08X => 0x%08X).\n", filetype, sfinfo.format) ;
2166 exit (1) ;
2167 } ;
2168
2169 if (sfinfo.frames < datalen / channels)
2170 { printf ("Too few.frames in file. (%ld should be a little more than %ld)\n", datalen, SF_COUNT_TO_LONG (sfinfo.frames)) ;
2171 exit (1) ;
2172 } ;
2173
2174 if (sfinfo.frames > (datalen + 400))
2175 { printf ("Too many.frames in file. (%ld should be a little more than %ld)\n", SF_COUNT_TO_LONG (sfinfo.frames), datalen) ;
2176 exit (1) ;
2177 } ;
2178
2179 if (sfinfo.channels != channels)
2180 { printf ("Incorrect number of channels in file.\n") ;
2181 exit (1) ;
2182 } ;
2183
2184 check_comment (file, filetype, __LINE__) ;
2185
2186 count = sf_read_raw (file, orig_buffer.c, datalen + 5 * channels) ;
2187 if (count != sfinfo.channels * sfinfo.frames)
2188 { printf ("\nLine %d : sf_read_raw returned %ld should be %ld\n", __LINE__, SF_COUNT_TO_LONG (count), sfinfo.channels * SF_COUNT_TO_LONG (sfinfo.frames)) ;
2189 exit (1) ;
2190 } ;
2191
2192 sf_close (file) ;
2193
2194 unlink (filename) ;
2195 printf ("ok\n") ;
2196 } /* read_raw_test */
2197
2198 /*========================================================================================
2199 ** Auxiliary functions
2200 */
2201
2202 #define SIGNAL_MAXVAL 30000.0
2203 #define DECAY_COUNT 1000
2204
2205 static int
2206 decay_response (int k)
2207 { if (k < 1)
2208 return (int) (1.2 * SIGNAL_MAXVAL) ;
2209 if (k > DECAY_COUNT)
2210 return 0 ;
2211 return (int) (1.2 * SIGNAL_MAXVAL * (DECAY_COUNT - k) / (1.0 * DECAY_COUNT)) ;
2212 } /* decay_response */
2213
2214 static void
2215 gen_signal_double (double *data, double scale, int channels, int datalen)
2216 { int k, ramplen ;
2217 double amp = 0.0 ;
2218
2219 ramplen = DECAY_COUNT ;
2220
2221 if (channels == 1)
2222 { for (k = 0 ; k < datalen ; k++)
2223 { if (k <= ramplen)
2224 amp = scale * k / ((double) ramplen) ;
2225 else if (k > datalen - ramplen)
2226 amp = scale * (datalen - k) / ((double) ramplen) ;
2227
2228 /*-printf ("%3d : %g\n", k, amp) ;-*/
2229
2230 data [k] = amp * (0.4 * sin (33.3 * 2.0 * M_PI * ((double) (k+1)) / ((double) SAMPLE_RATE))
2231 + 0.3 * cos (201.1 * 2.0 * M_PI * ((double) (k+1)) / ((double) SAMPLE_RATE))) ;
2232 } ;
2233 }
2234 else
2235 { for (k = 0 ; k < datalen ; k ++)
2236 { if (k <= ramplen)
2237 amp = scale * k / ((double) ramplen) ;
2238 else if (k > datalen - ramplen)
2239 amp = scale * (datalen - k) / ((double) ramplen) ;
2240
2241 data [2 * k] = amp * (0.4 * sin (33.3 * 2.0 * M_PI * ((double) (k+1)) / ((double) SAMPLE_RATE))
2242 + 0.3 * cos (201.1 * 2.0 * M_PI * ((double) (k+1)) / ((double) SAMPLE_RATE))) ;
2243 data [2 * k + 1] = amp * (0.4 * sin (55.5 * 2.0 * M_PI * ((double) (k+1)) / ((double) SAMPLE_RATE))
2244 + 0.3 * cos (201.1 * 2.0 * M_PI * ((double) (k+1)) / ((double) SAMPLE_RATE))) ;
2245 } ;
2246 } ;
2247
2248 return ;
2249 } /* gen_signal_double */
2250
2251 static int
2252 error_function (double data, double orig, double margin)
2253 { double error ;
2254
2255 if (fabs (orig) <= 500.0)
2256 error = fabs (fabs (data) - fabs (orig)) / 2000.0 ;
2257 else if (fabs (orig) <= 1000.0)
2258 error = fabs (data - orig) / 3000.0 ;
2259 else
2260 error = fabs (data - orig) / fabs (orig) ;
2261
2262 if (error > margin)
2263 { printf ("\n\nerror_function (data = %f, orig = %f, margin = %f) -> %f\n", data, orig, margin, error) ;
2264 return 1 ;
2265 } ;
2266 return 0 ;
2267 } /* error_function */
2268
2269 static void
2270 smoothed_diff_short (short *data, unsigned int datalen)
2271 { unsigned int k ;
2272 double memory = 0.0 ;
2273
2274 /* Calculate the smoothed sample-to-sample difference. */
2275 for (k = 0 ; k < datalen - 1 ; k++)
2276 { memory = 0.7 * memory + (1 - 0.7) * (double) (data [k+1] - data [k]) ;
2277 data [k] = (short) memory ;
2278 } ;
2279 data [datalen-1] = data [datalen-2] ;
2280
2281 } /* smoothed_diff_short */
2282
2283 static void
2284 smoothed_diff_int (int *data, unsigned int datalen)
2285 { unsigned int k ;
2286 double memory = 0.0 ;
2287
2288 /* Calculate the smoothed sample-to-sample difference. */
2289 for (k = 0 ; k < datalen - 1 ; k++)
2290 { memory = 0.7 * memory + (1 - 0.7) * (double) (data [k+1] - data [k]) ;
2291 data [k] = (int) memory ;
2292 } ;
2293 data [datalen-1] = data [datalen-2] ;
2294
2295 } /* smoothed_diff_int */
2296
2297 static void
2298 smoothed_diff_float (float *data, unsigned int datalen)
2299 { unsigned int k ;
2300 float memory = 0.0 ;
2301
2302 /* Calculate the smoothed sample-to-sample difference. */
2303 for (k = 0 ; k < datalen - 1 ; k++)
2304 { memory = 0.7 * memory + (1 - 0.7) * (data [k+1] - data [k]) ;
2305 data [k] = memory ;
2306 } ;
2307 data [datalen-1] = data [datalen-2] ;
2308
2309 } /* smoothed_diff_float */
2310
2311 static void
2312 smoothed_diff_double (double *data, unsigned int datalen)
2313 { unsigned int k ;
2314 double memory = 0.0 ;
2315
2316 /* Calculate the smoothed sample-to-sample difference. */
2317 for (k = 0 ; k < datalen - 1 ; k++)
2318 { memory = 0.7 * memory + (1 - 0.7) * (data [k+1] - data [k]) ;
2319 data [k] = memory ;
2320 } ;
2321 data [datalen-1] = data [datalen-2] ;
2322
2323 } /* smoothed_diff_double */
2324
2325 static void
2326 check_comment (SNDFILE * file, int format, int lineno)
2327 { const char *comment ;
2328
2329 switch (format & SF_FORMAT_TYPEMASK)
2330 { case SF_FORMAT_AIFF :
2331 case SF_FORMAT_WAV :
2332 case SF_FORMAT_WAVEX :
2333 break ;
2334 default :
2335 return ;
2336 } ;
2337
2338 comment = sf_get_string (file, SF_STR_COMMENT) ;
2339 if (comment == NULL)
2340 { printf ("\n\nLine %d : File does not contain a comment string.\n\n", lineno) ;
2341 exit (1) ;
2342 } ;
2343
2344 if (strcmp (comment, long_comment) != 0)
2345 { printf ("\n\nLine %d : File comment does not match comment written.\n\n", lineno) ;
2346 exit (1) ;
2347 } ;
2348
2349 return ;
2350 } /* check_comment */
2351
2352 static int
2353 is_lossy (int filetype)
2354 {
2355 switch (SF_FORMAT_SUBMASK & filetype)
2356 { case SF_FORMAT_PCM_U8 :
2357 case SF_FORMAT_PCM_S8 :
2358 case SF_FORMAT_PCM_16 :
2359 case SF_FORMAT_PCM_24 :
2360 case SF_FORMAT_PCM_32 :
2361 case SF_FORMAT_FLOAT :
2362 case SF_FORMAT_DOUBLE :
2363 return 0 ;
2364
2365 default :
2366 break ;
2367 } ;
2368
2369 return 1 ;
2370 } /* is_lossy */
2371
An OCaml-based interpreter for Faust and its vector extension