1 /*
2 ** Copyright (C) 2001-2016 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 Lesser General Public License as published by
6 ** the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
13 **
14 ** You should have received a copy of the GNU Lesser 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 <string.h>
23 #include <math.h>
24
25 #include "sndfile.h"
26 #include "common.h"
27
28 static SF_FORMAT_INFO const simple_formats [] =
29 {
30 { SF_FORMAT_AIFF | SF_FORMAT_PCM_16,
31 "AIFF (Apple/SGI 16 bit PCM)", "aiff"
32 },
33
34 { SF_FORMAT_AIFF | SF_FORMAT_FLOAT,
35 "AIFF (Apple/SGI 32 bit float)", "aifc"
36 },
37
38 { SF_FORMAT_AIFF | SF_FORMAT_PCM_S8,
39 "AIFF (Apple/SGI 8 bit PCM)", "aiff"
40 },
41
42 { SF_FORMAT_AU | SF_FORMAT_PCM_16,
43 "AU (Sun/Next 16 bit PCM)", "au"
44 },
45
46 { SF_FORMAT_AU | SF_FORMAT_ULAW,
47 "AU (Sun/Next 8-bit u-law)", "au"
48 },
49
50 { SF_FORMAT_CAF | SF_FORMAT_ALAC_16,
51 "CAF (Apple 16 bit ALAC)", "caf"
52 },
53
54 { SF_FORMAT_CAF | SF_FORMAT_PCM_16,
55 "CAF (Apple 16 bit PCM)", "caf"
56 },
57
58 #if HAVE_EXTERNAL_XIPH_LIBS
59 { SF_FORMAT_FLAC | SF_FORMAT_PCM_16,
60 "FLAC 16 bit", "flac"
61 },
62 #endif
63
64 { SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM,
65 "OKI Dialogic VOX ADPCM", "vox"
66 },
67
68 #if HAVE_EXTERNAL_XIPH_LIBS
69 { SF_FORMAT_OGG | SF_FORMAT_OPUS,
70 "Ogg Opus (Xiph Foundation)", "opus"
71 },
72
73 { SF_FORMAT_OGG | SF_FORMAT_VORBIS,
74 "Ogg Vorbis (Xiph Foundation)", "ogg"
75 },
76 #endif
77
78 { SF_FORMAT_WAV | SF_FORMAT_PCM_16,
79 "WAV (Microsoft 16 bit PCM)", "wav"
80 },
81
82 { SF_FORMAT_WAV | SF_FORMAT_FLOAT,
83 "WAV (Microsoft 32 bit float)", "wav"
84 },
85
86 { SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM,
87 "WAV (Microsoft 4 bit IMA ADPCM)", "wav"
88 },
89
90 { SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM,
91 "WAV (Microsoft 4 bit MS ADPCM)", "wav"
92 },
93
94 { SF_FORMAT_WAV | SF_FORMAT_PCM_U8,
95 "WAV (Microsoft 8 bit PCM)", "wav"
96 },
97
98 } ; /* simple_formats */
99
100 int
psf_get_format_simple_count(void)101 psf_get_format_simple_count (void)
102 { return (sizeof (simple_formats) / sizeof (SF_FORMAT_INFO)) ;
103 } /* psf_get_format_simple_count */
104
105 int
psf_get_format_simple(SF_FORMAT_INFO * data)106 psf_get_format_simple (SF_FORMAT_INFO *data)
107 { int indx ;
108
109 if (data->format < 0 || data->format >= (SIGNED_SIZEOF (simple_formats) / SIGNED_SIZEOF (SF_FORMAT_INFO)))
110 return SFE_BAD_COMMAND_PARAM ;
111
112 indx = data->format ;
113 memcpy (data, &(simple_formats [indx]), SIGNED_SIZEOF (SF_FORMAT_INFO)) ;
114
115 return 0 ;
116 } /* psf_get_format_simple */
117
118 /*============================================================================
119 ** Major format info.
120 */
121
122 static SF_FORMAT_INFO const major_formats [] =
123 {
124 { SF_FORMAT_AIFF, "AIFF (Apple/SGI)", "aiff" },
125 { SF_FORMAT_AU, "AU (Sun/NeXT)", "au" },
126 { SF_FORMAT_AVR, "AVR (Audio Visual Research)", "avr" },
127 { SF_FORMAT_CAF, "CAF (Apple Core Audio File)", "caf" },
128 #if HAVE_EXTERNAL_XIPH_LIBS
129 { SF_FORMAT_FLAC, "FLAC (Free Lossless Audio Codec)", "flac" },
130 #endif
131 { SF_FORMAT_HTK, "HTK (HMM Tool Kit)", "htk" },
132 { SF_FORMAT_SVX, "IFF (Amiga IFF/SVX8/SV16)", "iff" },
133 { SF_FORMAT_MAT4, "MAT4 (GNU Octave 2.0 / Matlab 4.2)", "mat" },
134 { SF_FORMAT_MAT5, "MAT5 (GNU Octave 2.1 / Matlab 5.0)", "mat" },
135 { SF_FORMAT_MPC2K, "MPC (Akai MPC 2k)", "mpc" },
136 #if HAVE_EXTERNAL_XIPH_LIBS
137 { SF_FORMAT_OGG, "OGG (OGG Container format)", "oga" },
138 #endif
139 { SF_FORMAT_PAF, "PAF (Ensoniq PARIS)", "paf" },
140 { SF_FORMAT_PVF, "PVF (Portable Voice Format)", "pvf" },
141 { SF_FORMAT_RAW, "RAW (header-less)", "raw" },
142 { SF_FORMAT_RF64, "RF64 (RIFF 64)", "rf64" },
143 { SF_FORMAT_SD2, "SD2 (Sound Designer II)", "sd2" },
144 { SF_FORMAT_SDS, "SDS (Midi Sample Dump Standard)", "sds" },
145 { SF_FORMAT_IRCAM, "SF (Berkeley/IRCAM/CARL)", "sf" },
146 { SF_FORMAT_VOC, "VOC (Creative Labs)", "voc" },
147 { SF_FORMAT_W64, "W64 (SoundFoundry WAVE 64)", "w64" },
148 { SF_FORMAT_WAV, "WAV (Microsoft)", "wav" },
149 { SF_FORMAT_NIST, "WAV (NIST Sphere)", "wav" },
150 { SF_FORMAT_WAVEX, "WAVEX (Microsoft)", "wav" },
151 { SF_FORMAT_WVE, "WVE (Psion Series 3)", "wve" },
152 { SF_FORMAT_XI, "XI (FastTracker 2)", "xi" },
153
154 } ; /* major_formats */
155
156 int
psf_get_format_major_count(void)157 psf_get_format_major_count (void)
158 { return (sizeof (major_formats) / sizeof (SF_FORMAT_INFO)) ;
159 } /* psf_get_format_major_count */
160
161 int
psf_get_format_major(SF_FORMAT_INFO * data)162 psf_get_format_major (SF_FORMAT_INFO *data)
163 { int indx ;
164
165 if (data->format < 0 || data->format >= (SIGNED_SIZEOF (major_formats) / SIGNED_SIZEOF (SF_FORMAT_INFO)))
166 return SFE_BAD_COMMAND_PARAM ;
167
168 indx = data->format ;
169 memcpy (data, &(major_formats [indx]), SIGNED_SIZEOF (SF_FORMAT_INFO)) ;
170
171 return 0 ;
172 } /* psf_get_format_major */
173
174 /*============================================================================
175 ** Subtype format info.
176 */
177
178 static SF_FORMAT_INFO subtype_formats [] =
179 {
180 { SF_FORMAT_PCM_S8, "Signed 8 bit PCM", NULL },
181 { SF_FORMAT_PCM_16, "Signed 16 bit PCM", NULL },
182 { SF_FORMAT_PCM_24, "Signed 24 bit PCM", NULL },
183 { SF_FORMAT_PCM_32, "Signed 32 bit PCM", NULL },
184
185 { SF_FORMAT_PCM_U8, "Unsigned 8 bit PCM", NULL },
186
187 { SF_FORMAT_FLOAT, "32 bit float", NULL },
188 { SF_FORMAT_DOUBLE, "64 bit float", NULL },
189
190 { SF_FORMAT_ULAW, "U-Law", NULL },
191 { SF_FORMAT_ALAW, "A-Law", NULL },
192 { SF_FORMAT_IMA_ADPCM, "IMA ADPCM", NULL },
193 { SF_FORMAT_MS_ADPCM, "Microsoft ADPCM", NULL },
194
195 { SF_FORMAT_GSM610, "GSM 6.10", NULL },
196
197 { SF_FORMAT_G721_32, "32kbs G721 ADPCM", NULL },
198 { SF_FORMAT_G723_24, "24kbs G723 ADPCM", NULL },
199 { SF_FORMAT_G723_40, "40kbs G723 ADPCM", NULL },
200
201 { SF_FORMAT_DWVW_12, "12 bit DWVW", NULL },
202 { SF_FORMAT_DWVW_16, "16 bit DWVW", NULL },
203 { SF_FORMAT_DWVW_24, "24 bit DWVW", NULL },
204 { SF_FORMAT_VOX_ADPCM, "VOX ADPCM", "vox" },
205
206 { SF_FORMAT_NMS_ADPCM_16, "16kbs NMS ADPCM", NULL },
207 { SF_FORMAT_NMS_ADPCM_24, "24kbs NMS ADPCM", NULL },
208 { SF_FORMAT_NMS_ADPCM_32, "32kbs NMS ADPCM", NULL },
209
210 { SF_FORMAT_DPCM_16, "16 bit DPCM", NULL },
211 { SF_FORMAT_DPCM_8, "8 bit DPCM", NULL },
212
213 #if HAVE_EXTERNAL_XIPH_LIBS
214 { SF_FORMAT_VORBIS, "Vorbis", NULL },
215 { SF_FORMAT_OPUS, "Opus", NULL },
216 #endif
217
218 { SF_FORMAT_ALAC_16, "16 bit ALAC", NULL },
219 { SF_FORMAT_ALAC_20, "20 bit ALAC", NULL },
220 { SF_FORMAT_ALAC_24, "24 bit ALAC", NULL },
221 { SF_FORMAT_ALAC_32, "32 bit ALAC", NULL },
222 } ; /* subtype_formats */
223
224 int
psf_get_format_subtype_count(void)225 psf_get_format_subtype_count (void)
226 { return (sizeof (subtype_formats) / sizeof (SF_FORMAT_INFO)) ;
227 } /* psf_get_format_subtype_count */
228
229 int
psf_get_format_subtype(SF_FORMAT_INFO * data)230 psf_get_format_subtype (SF_FORMAT_INFO *data)
231 { int indx ;
232
233 if (data->format < 0 || data->format >= (SIGNED_SIZEOF (subtype_formats) / SIGNED_SIZEOF (SF_FORMAT_INFO)))
234 { data->format = 0 ;
235 return SFE_BAD_COMMAND_PARAM ;
236 } ;
237
238 indx = data->format ;
239 memcpy (data, &(subtype_formats [indx]), sizeof (SF_FORMAT_INFO)) ;
240
241 return 0 ;
242 } /* psf_get_format_subtype */
243
244 /*==============================================================================
245 */
246
247 int
psf_get_format_info(SF_FORMAT_INFO * data)248 psf_get_format_info (SF_FORMAT_INFO *data)
249 { int k, format ;
250
251 if (SF_CONTAINER (data->format))
252 { format = SF_CONTAINER (data->format) ;
253
254 for (k = 0 ; k < (SIGNED_SIZEOF (major_formats) / SIGNED_SIZEOF (SF_FORMAT_INFO)) ; k++)
255 { if (format == major_formats [k].format)
256 { memcpy (data, &(major_formats [k]), sizeof (SF_FORMAT_INFO)) ;
257 return 0 ;
258 } ;
259 } ;
260 }
261 else if (SF_CODEC (data->format))
262 { format = SF_CODEC (data->format) ;
263
264 for (k = 0 ; k < (SIGNED_SIZEOF (subtype_formats) / SIGNED_SIZEOF (SF_FORMAT_INFO)) ; k++)
265 { if (format == subtype_formats [k].format)
266 { memcpy (data, &(subtype_formats [k]), sizeof (SF_FORMAT_INFO)) ;
267 return 0 ;
268 } ;
269 } ;
270 } ;
271
272 memset (data, 0, sizeof (SF_FORMAT_INFO)) ;
273
274 return SFE_BAD_COMMAND_PARAM ;
275 } /* psf_get_format_info */
276
277 /*==============================================================================
278 */
279
280 double
psf_calc_signal_max(SF_PRIVATE * psf,int normalize)281 psf_calc_signal_max (SF_PRIVATE *psf, int normalize)
282 { BUF_UNION ubuf ;
283 sf_count_t position ;
284 double max_val, temp, *data ;
285 int k, len, readcount, save_state ;
286
287 /* If the file is not seekable, there is nothing we can do. */
288 if (! psf->sf.seekable)
289 { psf->error = SFE_NOT_SEEKABLE ;
290 return 0.0 ;
291 } ;
292
293 if (! psf->read_double)
294 { psf->error = SFE_UNIMPLEMENTED ;
295 return 0.0 ;
296 } ;
297
298 save_state = sf_command ((SNDFILE*) psf, SFC_GET_NORM_DOUBLE, NULL, 0) ;
299 sf_command ((SNDFILE*) psf, SFC_SET_NORM_DOUBLE, NULL, normalize) ;
300
301 /* Brute force. Read the whole file and find the biggest sample. */
302 /* Get current position in file */
303 position = sf_seek ((SNDFILE*) psf, 0, SEEK_CUR) ;
304 /* Go to start of file. */
305 sf_seek ((SNDFILE*) psf, 0, SEEK_SET) ;
306
307 data = ubuf.dbuf ;
308 /* Make sure len is an integer multiple of the channel count. */
309 len = ARRAY_LEN (ubuf.dbuf) - (ARRAY_LEN (ubuf.dbuf) % psf->sf.channels) ;
310
311 for (readcount = 1, max_val = 0.0 ; readcount > 0 ; /* nothing */)
312 { readcount = sf_read_double ((SNDFILE*) psf, data, len) ;
313 for (k = 0 ; k < readcount ; k++)
314 { temp = fabs (data [k]) ;
315 max_val = temp > max_val ? temp : max_val ;
316 } ;
317 } ;
318
319 /* Return to SNDFILE to original state. */
320 sf_seek ((SNDFILE*) psf, position, SEEK_SET) ;
321 sf_command ((SNDFILE*) psf, SFC_SET_NORM_DOUBLE, NULL, save_state) ;
322
323 return max_val ;
324 } /* psf_calc_signal_max */
325
326 int
psf_calc_max_all_channels(SF_PRIVATE * psf,double * peaks,int normalize)327 psf_calc_max_all_channels (SF_PRIVATE *psf, double *peaks, int normalize)
328 { BUF_UNION ubuf ;
329 sf_count_t position ;
330 double temp, *data ;
331 int k, len, readcount, save_state ;
332 int chan ;
333
334 /* If the file is not seekable, there is nothing we can do. */
335 if (! psf->sf.seekable)
336 return (psf->error = SFE_NOT_SEEKABLE) ;
337
338 if (! psf->read_double)
339 return (psf->error = SFE_UNIMPLEMENTED) ;
340
341 save_state = sf_command ((SNDFILE*) psf, SFC_GET_NORM_DOUBLE, NULL, 0) ;
342 sf_command ((SNDFILE*) psf, SFC_SET_NORM_DOUBLE, NULL, normalize) ;
343
344 memset (peaks, 0, sizeof (double) * psf->sf.channels) ;
345
346 /* Brute force. Read the whole file and find the biggest sample for each channel. */
347 position = sf_seek ((SNDFILE*) psf, 0, SEEK_CUR) ; /* Get current position in file */
348 sf_seek ((SNDFILE*) psf, 0, SEEK_SET) ; /* Go to start of file. */
349
350 len = ARRAY_LEN (ubuf.dbuf) - (ARRAY_LEN (ubuf.dbuf) % psf->sf.channels) ;
351
352 data = ubuf.dbuf ;
353
354 chan = 0 ;
355 readcount = len ;
356 while (readcount > 0)
357 { readcount = sf_read_double ((SNDFILE*) psf, data, len) ;
358 for (k = 0 ; k < readcount ; k++)
359 { temp = fabs (data [k]) ;
360 peaks [chan] = temp > peaks [chan] ? temp : peaks [chan] ;
361 chan = (chan + 1) % psf->sf.channels ;
362 } ;
363 } ;
364
365 sf_seek ((SNDFILE*) psf, position, SEEK_SET) ; /* Return to original position. */
366
367 sf_command ((SNDFILE*) psf, SFC_SET_NORM_DOUBLE, NULL, save_state) ;
368
369 return 0 ;
370 } /* psf_calc_max_all_channels */
371
372 int
psf_get_signal_max(SF_PRIVATE * psf,double * peak)373 psf_get_signal_max (SF_PRIVATE *psf, double *peak)
374 { int k ;
375
376 if (psf->peak_info == NULL)
377 return SF_FALSE ;
378
379 peak [0] = psf->peak_info->peaks [0].value ;
380
381 for (k = 1 ; k < psf->sf.channels ; k++)
382 peak [0] = SF_MAX (peak [0], psf->peak_info->peaks [k].value) ;
383
384 return SF_TRUE ;
385 } /* psf_get_signal_max */
386
387 int
psf_get_max_all_channels(SF_PRIVATE * psf,double * peaks)388 psf_get_max_all_channels (SF_PRIVATE *psf, double *peaks)
389 { int k ;
390
391 if (psf->peak_info == NULL)
392 return SF_FALSE ;
393
394 for (k = 0 ; k < psf->sf.channels ; k++)
395 peaks [k] = psf->peak_info->peaks [k].value ;
396
397 return SF_TRUE ;
398 } /* psf_get_max_all_channels */
399
400
401