1 /*
2 ** Copyright (C) 1999-2020 Erik de Castro Lopo <erikd@mega-nerd.com>
3 ** Copyright (C) 2004-2005 David Viens <davidv@plogue.com>
4 **
5 ** This program is free software; you can redistribute it and/or modify
6 ** it under the terms of the GNU Lesser General Public License as published by
7 ** the Free Software Foundation; either version 2.1 of the License, or
8 ** (at your option) any later version.
9 **
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU Lesser General Public License for more details.
14 **
15 ** You should have received a copy of the GNU Lesser General Public License
16 ** along with this program; if not, write to the Free Software
17 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #include "sfconfig.h"
21
22 #include <stdio.h>
23 #include <string.h>
24 #include <ctype.h>
25 #include <time.h>
26
27 #include "sndfile.h"
28 #include "sfendian.h"
29 #include "common.h"
30 #include "wavlike.h"
31
32
33 #define WAV_BEXT_MIN_CHUNK_SIZE 602
34 #define WAV_BEXT_MAX_CHUNK_SIZE (10 * 1024)
35
36 #define WAV_CART_MIN_CHUNK_SIZE 2048
37 #define WAV_CART_MAX_CHUNK_SIZE 0xffffffff
38
39
40 static int exif_subchunk_parse (SF_PRIVATE *psf, uint32_t length) ;
41
42
43 /* Known WAVEFORMATEXTENSIBLE GUIDS. */
44 static const EXT_SUBFORMAT MSGUID_SUBTYPE_PCM =
45 { 0x00000001, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
46 } ;
47
48 static const EXT_SUBFORMAT MSGUID_SUBTYPE_MS_ADPCM =
49 { 0x00000002, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
50 } ;
51
52 static const EXT_SUBFORMAT MSGUID_SUBTYPE_IEEE_FLOAT =
53 { 0x00000003, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
54 } ;
55
56 static const EXT_SUBFORMAT MSGUID_SUBTYPE_ALAW =
57 { 0x00000006, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
58 } ;
59
60 static const EXT_SUBFORMAT MSGUID_SUBTYPE_MULAW =
61 { 0x00000007, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
62 } ;
63
64 /*
65 ** the next two are from
66 ** http://dream.cs.bath.ac.uk/researchdev/wave-ex/bformat.html
67 */
68
69 static const EXT_SUBFORMAT MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM =
70 { 0x00000001, 0x0721, 0x11d3, { 0x86, 0x44, 0xc8, 0xc1, 0xca, 0x00, 0x00, 0x00 }
71 } ;
72
73 static const EXT_SUBFORMAT MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT =
74 { 0x00000003, 0x0721, 0x11d3, { 0x86, 0x44, 0xc8, 0xc1, 0xca, 0x00, 0x00, 0x00 }
75 } ;
76
77
78 #if 0
79 /* maybe interesting one day to read the following through sf_read_raw */
80 /* http://www.bath.ac.uk/~masrwd/pvocex/pvocex.html */
81 static const EXT_SUBFORMAT MSGUID_SUBTYPE_PVOCEX =
82 { 0x8312b9c2, 0x2e6e, 0x11d4, { 0xa8, 0x24, 0xde, 0x5b, 0x96, 0xc3, 0xab, 0x21 }
83 } ;
84 #endif
85
86 /* This stores which bit in dwChannelMask maps to which channel */
87 static const struct chanmap_s
88 { int id ;
89 const char * name ;
90 } channel_mask_bits [] =
91 { /* WAVEFORMATEXTENSIBLE doesn't distuingish FRONT_LEFT from LEFT */
92 { SF_CHANNEL_MAP_LEFT, "L" },
93 { SF_CHANNEL_MAP_RIGHT, "R" },
94 { SF_CHANNEL_MAP_CENTER, "C" },
95 { SF_CHANNEL_MAP_LFE, "LFE" },
96 { SF_CHANNEL_MAP_REAR_LEFT, "Ls" },
97 { SF_CHANNEL_MAP_REAR_RIGHT, "Rs" },
98 { SF_CHANNEL_MAP_FRONT_LEFT_OF_CENTER, "Lc" },
99 { SF_CHANNEL_MAP_FRONT_RIGHT_OF_CENTER, "Rc" },
100 { SF_CHANNEL_MAP_REAR_CENTER, "Cs" },
101 { SF_CHANNEL_MAP_SIDE_LEFT, "Sl" },
102 { SF_CHANNEL_MAP_SIDE_RIGHT, "Sr" },
103 { SF_CHANNEL_MAP_TOP_CENTER, "Tc" },
104 { SF_CHANNEL_MAP_TOP_FRONT_LEFT, "Tfl" },
105 { SF_CHANNEL_MAP_TOP_FRONT_CENTER, "Tfc" },
106 { SF_CHANNEL_MAP_TOP_FRONT_RIGHT, "Tfr" },
107 { SF_CHANNEL_MAP_TOP_REAR_LEFT, "Trl" },
108 { SF_CHANNEL_MAP_TOP_REAR_CENTER, "Trc" },
109 { SF_CHANNEL_MAP_TOP_REAR_RIGHT, "Trr" },
110 } ;
111
112 /*------------------------------------------------------------------------------
113 * Private static functions.
114 */
115
116 static int
wavex_guid_equal(const EXT_SUBFORMAT * first,const EXT_SUBFORMAT * second)117 wavex_guid_equal (const EXT_SUBFORMAT * first, const EXT_SUBFORMAT * second)
118 { return !memcmp (first, second, sizeof (EXT_SUBFORMAT)) ;
119 } /* wavex_guid_equal */
120
121
122
123 int
wavlike_read_fmt_chunk(SF_PRIVATE * psf,int fmtsize)124 wavlike_read_fmt_chunk (SF_PRIVATE *psf, int fmtsize)
125 { WAVLIKE_PRIVATE * wpriv ;
126 WAV_FMT *wav_fmt ;
127 int bytesread, k, bytespersec = 0 ;
128
129 if ((wpriv = psf->container_data) == NULL)
130 return SFE_INTERNAL ;
131 wav_fmt = &wpriv->wav_fmt ;
132
133 memset (wav_fmt, 0, sizeof (WAV_FMT)) ;
134
135 if (fmtsize < 16)
136 return SFE_WAV_FMT_SHORT ;
137
138 /* assume psf->rwf_endian is already properly set */
139
140 /* Read the minimal WAV file header here. */
141 bytesread = psf_binheader_readf (psf, "224422",
142 &(wav_fmt->format), &(wav_fmt->min.channels),
143 &(wav_fmt->min.samplerate), &(wav_fmt->min.bytespersec),
144 &(wav_fmt->min.blockalign), &(wav_fmt->min.bitwidth)) ;
145
146 psf_log_printf (psf, " Format : 0x%X => %s\n", wav_fmt->format, wavlike_format_str (wav_fmt->format)) ;
147 psf_log_printf (psf, " Channels : %d\n", wav_fmt->min.channels) ;
148 psf_log_printf (psf, " Sample Rate : %d\n", wav_fmt->min.samplerate) ;
149
150 if (wav_fmt->format == WAVE_FORMAT_PCM && wav_fmt->min.blockalign == 0
151 && wav_fmt->min.bitwidth > 0 && wav_fmt->min.channels > 0)
152 { wav_fmt->min.blockalign = wav_fmt->min.bitwidth / 8 + (wav_fmt->min.bitwidth % 8 > 0 ? 1 : 0) ;
153 wav_fmt->min.blockalign *= wav_fmt->min.channels ;
154 psf_log_printf (psf, " Block Align : 0 (should be %d)\n", wav_fmt->min.blockalign) ;
155 }
156 else
157 psf_log_printf (psf, " Block Align : %d\n", wav_fmt->min.blockalign) ;
158
159 if (wav_fmt->format == WAVE_FORMAT_PCM && wav_fmt->min.bitwidth == 24 &&
160 wav_fmt->min.blockalign == 4 * wav_fmt->min.channels)
161 { psf_log_printf (psf, " Bit Width : 24\n") ;
162
163 psf_log_printf (psf, "\n"
164 " Ambiguous information in 'fmt ' chunk. Possibile file types:\n"
165 " 0) Invalid IEEE float file generated by Syntrillium's Cooledit!\n"
166 " 1) File generated by ALSA's arecord containing 24 bit samples in 32 bit containers.\n"
167 " 2) 24 bit file with incorrect Block Align value.\n"
168 "\n") ;
169
170 wpriv->fmt_is_broken = 1 ;
171 }
172 else if (wav_fmt->min.bitwidth == 0)
173 { switch (wav_fmt->format)
174 { case WAVE_FORMAT_GSM610 :
175 case WAVE_FORMAT_IPP_ITU_G_723_1 :
176 case WAVE_FORMAT_MPEGLAYER3 :
177 psf_log_printf (psf, " Bit Width : %d\n", wav_fmt->min.bitwidth) ;
178 break ;
179 default :
180 psf_log_printf (psf, " Bit Width : %d (should not be 0)\n", wav_fmt->min.bitwidth) ;
181 }
182 }
183 else
184 { switch (wav_fmt->format)
185 { case WAVE_FORMAT_GSM610 :
186 case WAVE_FORMAT_IPP_ITU_G_723_1 :
187 case WAVE_FORMAT_MPEGLAYER3 :
188 psf_log_printf (psf, " Bit Width : %d (should be 0)\n", wav_fmt->min.bitwidth) ;
189 break ;
190 default :
191 psf_log_printf (psf, " Bit Width : %d\n", wav_fmt->min.bitwidth) ;
192 }
193 } ;
194
195 psf->sf.samplerate = wav_fmt->min.samplerate ;
196 psf->sf.frames = 0 ; /* Correct this when reading data chunk. */
197 psf->sf.channels = wav_fmt->min.channels ;
198
199 switch (wav_fmt->format)
200 { case WAVE_FORMAT_PCM :
201 case WAVE_FORMAT_IEEE_FLOAT :
202 bytespersec = wav_fmt->min.samplerate * wav_fmt->min.blockalign ;
203 if (wav_fmt->min.bytespersec != (unsigned) bytespersec)
204 psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->min.bytespersec, bytespersec) ;
205 else
206 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->min.bytespersec) ;
207
208 psf->bytewidth = BITWIDTH2BYTES (wav_fmt->min.bitwidth) ;
209 break ;
210
211 case WAVE_FORMAT_ALAW :
212 case WAVE_FORMAT_MULAW :
213 if (wav_fmt->min.bytespersec != wav_fmt->min.samplerate * wav_fmt->min.blockalign)
214 psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->min.bytespersec, wav_fmt->min.samplerate * wav_fmt->min.blockalign) ;
215 else
216 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->min.bytespersec) ;
217
218 psf->bytewidth = 1 ;
219 if (fmtsize >= 18)
220 { bytesread += psf_binheader_readf (psf, "2", &(wav_fmt->size20.extrabytes)) ;
221 psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->size20.extrabytes) ;
222 } ;
223 break ;
224
225 case WAVE_FORMAT_IMA_ADPCM :
226 if (wav_fmt->min.bitwidth != 4)
227 return SFE_WAV_ADPCM_NOT4BIT ;
228 if (wav_fmt->min.channels < 1 || wav_fmt->min.channels > 2)
229 return SFE_WAV_ADPCM_CHANNELS ;
230
231 bytesread += psf_binheader_readf (psf, "22", &(wav_fmt->ima.extrabytes), &(wav_fmt->ima.samplesperblock)) ;
232 psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->ima.extrabytes) ;
233 if (wav_fmt->ima.samplesperblock < 1)
234 { psf_log_printf (psf, " Samples/Block : %d (should be > 0)\n", wav_fmt->ima.samplesperblock) ;
235 return SFE_WAV_ADPCM_SAMPLES ;
236 }
237 else
238 psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->ima.samplesperblock) ;
239
240 bytespersec = (wav_fmt->ima.samplerate * wav_fmt->ima.blockalign) / wav_fmt->ima.samplesperblock ;
241 if (wav_fmt->ima.bytespersec != (unsigned) bytespersec)
242 psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->ima.bytespersec, bytespersec) ;
243 else
244 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->ima.bytespersec) ;
245
246 break ;
247
248 case WAVE_FORMAT_MS_ADPCM :
249 if (wav_fmt->msadpcm.bitwidth != 4)
250 return SFE_WAV_ADPCM_NOT4BIT ;
251 if (wav_fmt->msadpcm.channels < 1 || wav_fmt->msadpcm.channels > 2)
252 return SFE_WAV_ADPCM_CHANNELS ;
253
254 bytesread += psf_binheader_readf (psf, "222", &(wav_fmt->msadpcm.extrabytes),
255 &(wav_fmt->msadpcm.samplesperblock), &(wav_fmt->msadpcm.numcoeffs)) ;
256
257 psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->msadpcm.extrabytes) ;
258 if (wav_fmt->ima.samplesperblock < 1)
259 { psf_log_printf (psf, " Samples/Block : %d (should be > 0)\n", wav_fmt->ima.samplesperblock) ;
260 return SFE_WAV_ADPCM_SAMPLES ;
261 }
262 else
263 psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->ima.samplesperblock) ;
264
265 bytespersec = (wav_fmt->min.samplerate * wav_fmt->min.blockalign) / wav_fmt->msadpcm.samplesperblock ;
266 if (wav_fmt->min.bytespersec == (unsigned) bytespersec)
267 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->min.bytespersec) ;
268 else if (wav_fmt->min.bytespersec == (wav_fmt->min.samplerate / wav_fmt->msadpcm.samplesperblock) * wav_fmt->min.blockalign)
269 psf_log_printf (psf, " Bytes/sec : %d (should be %d (MS BUG!))\n", wav_fmt->min.bytespersec, bytespersec) ;
270 else
271 psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->min.bytespersec, bytespersec) ;
272
273 if (wav_fmt->msadpcm.numcoeffs > ARRAY_LEN (wav_fmt->msadpcm.coeffs))
274 { psf_log_printf (psf, " No. of Coeffs : %d (should be <= %d)\n", wav_fmt->msadpcm.numcoeffs, ARRAY_LEN (wav_fmt->msadpcm.coeffs)) ;
275 wav_fmt->msadpcm.numcoeffs = ARRAY_LEN (wav_fmt->msadpcm.coeffs) ;
276 }
277 else
278 psf_log_printf (psf, " No. of Coeffs : %d\n", wav_fmt->msadpcm.numcoeffs) ;
279
280 psf_log_printf (psf, " Index Coeffs1 Coeffs2\n") ;
281 for (k = 0 ; k < wav_fmt->msadpcm.numcoeffs ; k++)
282 { char buffer [128] ;
283
284 bytesread +=
285 psf_binheader_readf (psf, "22", &(wav_fmt->msadpcm.coeffs [k].coeff1), &(wav_fmt->msadpcm.coeffs [k].coeff2)) ;
286 snprintf (buffer, sizeof (buffer), " %2d %7d %7d\n", k, wav_fmt->msadpcm.coeffs [k].coeff1, wav_fmt->msadpcm.coeffs [k].coeff2) ;
287 psf_log_printf (psf, buffer) ;
288 } ;
289 break ;
290
291 case WAVE_FORMAT_GSM610 :
292 if (wav_fmt->gsm610.channels != 1 || wav_fmt->gsm610.blockalign != 65)
293 return SFE_WAV_GSM610_FORMAT ;
294
295 bytesread +=
296 psf_binheader_readf (psf, "22", &(wav_fmt->gsm610.extrabytes), &(wav_fmt->gsm610.samplesperblock)) ;
297
298 if (wav_fmt->gsm610.samplesperblock != 320)
299 return SFE_WAV_GSM610_FORMAT ;
300
301 bytespersec = (wav_fmt->gsm610.samplerate * wav_fmt->gsm610.blockalign) / wav_fmt->gsm610.samplesperblock ;
302 if (wav_fmt->gsm610.bytespersec != (unsigned) bytespersec)
303 psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->gsm610.bytespersec, bytespersec) ;
304 else
305 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->gsm610.bytespersec) ;
306
307 psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->gsm610.extrabytes) ;
308 psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->gsm610.samplesperblock) ;
309 break ;
310
311 case WAVE_FORMAT_MPEGLAYER3 :
312 bytesread += psf_binheader_readf (psf, "24222", &(wav_fmt->mpeg3.extrabytes),
313 &(wav_fmt->mpeg3.id), &(wav_fmt->mpeg3.flags), &(wav_fmt->mpeg3.blocksize),
314 &(wav_fmt->mpeg3.samplesperblock), &(wav_fmt->mpeg3.codecdelay)) ;
315
316 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->mpeg3.bytespersec) ;
317 psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->mpeg3.extrabytes) ;
318 if (wav_fmt->mpeg3.id != 1)
319 psf_log_printf (psf, " ID : %d (unknown, should be 1)\n", wav_fmt->mpeg3.id) ;
320 else
321 psf_log_printf (psf, " ID : MPEGLAYER3_ID_MPEG\n") ;
322 psf_log_printf (psf, " Flags : 0x%08x\n", wav_fmt->mpeg3.flags) ;
323 psf_log_printf (psf, " Block Size : %d\n", wav_fmt->mpeg3.blocksize) ;
324 psf_log_printf (psf, " Samples/Block : %d\n", wav_fmt->mpeg3.samplesperblock) ;
325 psf_log_printf (psf, " Codec Delay : %d samples\n", wav_fmt->mpeg3.codecdelay) ;
326 break ;
327
328 case WAVE_FORMAT_EXTENSIBLE :
329 if (wav_fmt->ext.bytespersec != wav_fmt->ext.samplerate * wav_fmt->ext.blockalign)
330 psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->ext.bytespersec, wav_fmt->ext.samplerate * wav_fmt->ext.blockalign) ;
331 else
332 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->ext.bytespersec) ;
333
334 bytesread +=
335 psf_binheader_readf (psf, "224", &(wav_fmt->ext.extrabytes), &(wav_fmt->ext.validbits),
336 &(wav_fmt->ext.channelmask)) ;
337
338 psf_log_printf (psf, " Valid Bits : %d\n", wav_fmt->ext.validbits) ;
339
340 if (wav_fmt->ext.channelmask == 0)
341 psf_log_printf (psf, " Channel Mask : 0x0 (should not be zero)\n") ;
342 else
343 { char buffer [512] ;
344 unsigned bit ;
345
346 wpriv->wavex_channelmask = wav_fmt->ext.channelmask ;
347
348 /* It's probably wise to ignore the channel mask if it is all zero */
349 free (psf->channel_map) ;
350
351 if ((psf->channel_map = calloc (psf->sf.channels, sizeof (psf->channel_map [0]))) == NULL)
352 return SFE_MALLOC_FAILED ;
353
354 /* Terminate the buffer we're going to append_snprintf into. */
355 buffer [0] = 0 ;
356
357 for (bit = k = 0 ; bit < ARRAY_LEN (channel_mask_bits) && k < psf->sf.channels ; bit++)
358 {
359 if (wav_fmt->ext.channelmask & (1 << bit))
360 { if (k > psf->sf.channels)
361 { psf_log_printf (psf, "*** More channel map bits than there are channels.\n") ;
362 break ;
363 } ;
364
365 psf->channel_map [k++] = channel_mask_bits [bit].id ;
366 append_snprintf (buffer, sizeof (buffer), "%s, ", channel_mask_bits [bit].name) ;
367 } ;
368 } ;
369
370 /* Remove trailing ", ". */
371 bit = strlen (buffer) ;
372 if (bit >= 2)
373 { buffer [--bit] = 0 ;
374 buffer [--bit] = 0 ;
375 } ;
376
377 if (k != psf->sf.channels)
378 { psf_log_printf (psf, " Channel Mask : 0x%X\n", wav_fmt->ext.channelmask) ;
379 psf_log_printf (psf, "*** Less channel map bits than there are channels.\n") ;
380 }
381 else
382 psf_log_printf (psf, " Channel Mask : 0x%X (%s)\n", wav_fmt->ext.channelmask, buffer) ;
383 } ;
384
385 bytesread += psf_binheader_readf (psf, "422", &(wav_fmt->ext.esf.esf_field1), &(wav_fmt->ext.esf.esf_field2), &(wav_fmt->ext.esf.esf_field3)) ;
386
387 /* compare the esf_fields with each known GUID? and print? */
388 psf_log_printf (psf, " Subformat\n") ;
389 psf_log_printf (psf, " esf_field1 : 0x%X\n", wav_fmt->ext.esf.esf_field1) ;
390 psf_log_printf (psf, " esf_field2 : 0x%X\n", wav_fmt->ext.esf.esf_field2) ;
391 psf_log_printf (psf, " esf_field3 : 0x%X\n", wav_fmt->ext.esf.esf_field3) ;
392 psf_log_printf (psf, " esf_field4 : ") ;
393 for (k = 0 ; k < 8 ; k++)
394 { bytesread += psf_binheader_readf (psf, "1", &(wav_fmt->ext.esf.esf_field4 [k])) ;
395 psf_log_printf (psf, "0x%X ", wav_fmt->ext.esf.esf_field4 [k] & 0xFF) ;
396 } ;
397 psf_log_printf (psf, "\n") ;
398 psf->bytewidth = BITWIDTH2BYTES (wav_fmt->ext.bitwidth) ;
399
400 /* Compare GUIDs for known ones. */
401 if (wavex_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_PCM))
402 { psf->sf.format = SF_FORMAT_WAVEX | u_bitwidth_to_subformat (psf->bytewidth * 8) ;
403 psf_log_printf (psf, " format : pcm\n") ;
404 }
405 else if (wavex_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_MS_ADPCM))
406 { psf->sf.format = (SF_FORMAT_WAVEX | SF_FORMAT_MS_ADPCM) ;
407 psf_log_printf (psf, " format : ms adpcm\n") ;
408 }
409 else if (wavex_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_IEEE_FLOAT))
410 { psf->sf.format = SF_FORMAT_WAVEX | ((psf->bytewidth == 8) ? SF_FORMAT_DOUBLE : SF_FORMAT_FLOAT) ;
411 psf_log_printf (psf, " format : IEEE float\n") ;
412 }
413 else if (wavex_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_ALAW))
414 { psf->sf.format = (SF_FORMAT_WAVEX | SF_FORMAT_ALAW) ;
415 psf_log_printf (psf, " format : A-law\n") ;
416 }
417 else if (wavex_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_MULAW))
418 { psf->sf.format = (SF_FORMAT_WAVEX | SF_FORMAT_ULAW) ;
419 psf_log_printf (psf, " format : u-law\n") ;
420 }
421 else if (wavex_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM))
422 { psf->sf.format = SF_FORMAT_WAVEX | u_bitwidth_to_subformat (psf->bytewidth * 8) ;
423 psf_log_printf (psf, " format : pcm (Ambisonic B)\n") ;
424 wpriv->wavex_ambisonic = SF_AMBISONIC_B_FORMAT ;
425 }
426 else if (wavex_guid_equal (&wav_fmt->ext.esf, &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT))
427 { psf->sf.format = SF_FORMAT_WAVEX | ((psf->bytewidth == 8) ? SF_FORMAT_DOUBLE : SF_FORMAT_FLOAT) ;
428 psf_log_printf (psf, " format : IEEE float (Ambisonic B)\n") ;
429 wpriv->wavex_ambisonic = SF_AMBISONIC_B_FORMAT ;
430 }
431 else
432 return SFE_UNIMPLEMENTED ;
433
434 break ;
435
436 case WAVE_FORMAT_G721_ADPCM :
437 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->g72x.bytespersec) ;
438 if (fmtsize >= 20)
439 { bytesread += psf_binheader_readf (psf, "22", &(wav_fmt->g72x.extrabytes), &(wav_fmt->g72x.auxblocksize)) ;
440 if (wav_fmt->g72x.extrabytes == 0)
441 psf_log_printf (psf, " Extra Bytes : %d (should be 2)\n", wav_fmt->g72x.extrabytes) ;
442 else
443 psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->g72x.extrabytes) ;
444 psf_log_printf (psf, " Aux Blk Size : %d\n", wav_fmt->g72x.auxblocksize) ;
445 }
446 else if (fmtsize == 18)
447 { bytesread += psf_binheader_readf (psf, "2", &(wav_fmt->g72x.extrabytes)) ;
448 psf_log_printf (psf, " Extra Bytes : %d%s\n", wav_fmt->g72x.extrabytes, wav_fmt->g72x.extrabytes != 0 ? " (should be 0)" : "") ;
449 }
450 else
451 psf_log_printf (psf, "*** 'fmt ' chunk should be bigger than this!\n") ;
452 break ;
453
454 case WAVE_FORMAT_NMS_VBXADPCM :
455 if (wav_fmt->min.channels != 1 || wav_fmt->min.bitwidth < 2 || wav_fmt->min.bitwidth * 20 + 2 != wav_fmt->min.blockalign)
456 return SFE_WAV_NMS_FORMAT ;
457
458 bytespersec = (wav_fmt->min.samplerate * wav_fmt->min.blockalign) / 160 ;
459 if (wav_fmt->min.bytespersec == (unsigned) bytespersec)
460 psf_log_printf (psf, " Bytes/sec : %d\n", wav_fmt->min.bytespersec) ;
461 else
462 psf_log_printf (psf, " Bytes/sec : %d (should be %d)\n", wav_fmt->min.bytespersec, bytespersec) ;
463 if (fmtsize >= 18)
464 { bytesread += psf_binheader_readf (psf, "2", &(wav_fmt->size20.extrabytes)) ;
465 psf_log_printf (psf, " Extra Bytes : %d\n", wav_fmt->size20.extrabytes) ;
466 } ;
467 break ;
468
469 default :
470 psf_log_printf (psf, "*** No 'fmt ' chunk dumper for this format!\n") ;
471 return SFE_WAV_BAD_FMT ;
472 } ;
473
474 if (bytesread > fmtsize)
475 { psf_log_printf (psf, "*** wavlike_read_fmt_chunk (bytesread > fmtsize)\n") ;
476 return SFE_WAV_BAD_FMT ;
477 }
478 else
479 psf_binheader_readf (psf, "j", fmtsize - bytesread) ;
480
481 psf->blockwidth = wav_fmt->min.channels * psf->bytewidth ;
482
483 return 0 ;
484 } /* wavlike_read_fmt_chunk */
485
486 void
wavlike_write_guid(SF_PRIVATE * psf,const EXT_SUBFORMAT * subformat)487 wavlike_write_guid (SF_PRIVATE *psf, const EXT_SUBFORMAT * subformat)
488 {
489 psf_binheader_writef (psf, "422b", BHW4 (subformat->esf_field1),
490 BHW2 (subformat->esf_field2), BHW2 (subformat->esf_field3),
491 BHWv (subformat->esf_field4), BHWz (8)) ;
492 } /* wavlike_write_guid */
493
494
495 int
wavlike_gen_channel_mask(const int * chan_map,int channels)496 wavlike_gen_channel_mask (const int *chan_map, int channels)
497 { int chan, mask = 0, bit = -1, last_bit = -1 ;
498
499 if (chan_map == NULL)
500 return 0 ;
501
502 for (chan = 0 ; chan < channels ; chan ++)
503 { int k ;
504
505 for (k = bit + 1 ; k < ARRAY_LEN (channel_mask_bits) ; k++)
506 if (chan_map [chan] == channel_mask_bits [k].id)
507 { bit = k ;
508 break ;
509 } ;
510
511 /* Check for bad sequence. */
512 if (bit <= last_bit)
513 return 0 ;
514
515 mask += 1 << bit ;
516 last_bit = bit ;
517 } ;
518
519 return mask ;
520 } /* wavlike_gen_channel_mask */
521
522 void
wavlike_analyze(SF_PRIVATE * psf)523 wavlike_analyze (SF_PRIVATE *psf)
524 { unsigned char buffer [4096] ;
525 AUDIO_DETECT ad ;
526 int format = 0 ;
527
528 if (psf->is_pipe)
529 { psf_log_printf (psf, "*** Error : Reading from a pipe. Can't analyze data section to figure out real data format.\n\n") ;
530 return ;
531 } ;
532
533 psf_log_printf (psf, "---------------------------------------------------\n"
534 "Format is known to be broken. Using detection code.\n") ;
535
536 /* Code goes here. */
537 ad.endianness = SF_ENDIAN_LITTLE ;
538 ad.channels = psf->sf.channels ;
539
540 psf_fseek (psf, 3 * 4 * 50, SEEK_SET) ;
541
542 while (psf_fread (buffer, 1, sizeof (buffer), psf) == sizeof (buffer))
543 { format = audio_detect (psf, &ad, buffer, sizeof (buffer)) ;
544 if (format != 0)
545 break ;
546 } ;
547
548 /* Seek to start of DATA section. */
549 psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
550
551 if (format == 0)
552 { psf_log_printf (psf, "wavlike_analyze : detection failed.\n") ;
553 return ;
554 } ;
555
556 switch (format)
557 { case SF_FORMAT_PCM_32 :
558 case SF_FORMAT_FLOAT :
559 psf_log_printf (psf, "wavlike_analyze : found format : 0x%X\n", format) ;
560 psf->sf.format = (psf->sf.format & ~SF_FORMAT_SUBMASK) + format ;
561 psf->bytewidth = 4 ;
562 psf->blockwidth = psf->sf.channels * psf->bytewidth ;
563 break ;
564
565 case SF_FORMAT_PCM_24 :
566 psf_log_printf (psf, "wavlike_analyze : found format : 0x%X\n", format) ;
567 psf->sf.format = (psf->sf.format & ~SF_FORMAT_SUBMASK) + format ;
568 psf->bytewidth = 3 ;
569 psf->blockwidth = psf->sf.channels * psf->bytewidth ;
570 break ;
571
572 default :
573 psf_log_printf (psf, "wavlike_analyze : unhandled format : 0x%X\n", format) ;
574 break ;
575 } ;
576
577 return ;
578 } /* wavlike_analyze */
579
580 /*==============================================================================
581 */
582
583 typedef struct
584 { int ID ;
585 const char *name ;
586 } WAV_FORMAT_DESC ;
587
588 #define STR(x) #x
589 #define FORMAT_TYPE(x) { x, STR (x) }
590
591 static WAV_FORMAT_DESC wave_descs [] =
592 { FORMAT_TYPE (WAVE_FORMAT_PCM),
593 FORMAT_TYPE (WAVE_FORMAT_MS_ADPCM),
594 FORMAT_TYPE (WAVE_FORMAT_IEEE_FLOAT),
595 FORMAT_TYPE (WAVE_FORMAT_VSELP),
596 FORMAT_TYPE (WAVE_FORMAT_IBM_CVSD),
597 FORMAT_TYPE (WAVE_FORMAT_ALAW),
598 FORMAT_TYPE (WAVE_FORMAT_MULAW),
599 FORMAT_TYPE (WAVE_FORMAT_OKI_ADPCM),
600 FORMAT_TYPE (WAVE_FORMAT_IMA_ADPCM),
601 FORMAT_TYPE (WAVE_FORMAT_MEDIASPACE_ADPCM),
602 FORMAT_TYPE (WAVE_FORMAT_SIERRA_ADPCM),
603 FORMAT_TYPE (WAVE_FORMAT_G723_ADPCM),
604 FORMAT_TYPE (WAVE_FORMAT_DIGISTD),
605 FORMAT_TYPE (WAVE_FORMAT_DIGIFIX),
606 FORMAT_TYPE (WAVE_FORMAT_DIALOGIC_OKI_ADPCM),
607 FORMAT_TYPE (WAVE_FORMAT_MEDIAVISION_ADPCM),
608 FORMAT_TYPE (WAVE_FORMAT_CU_CODEC),
609 FORMAT_TYPE (WAVE_FORMAT_YAMAHA_ADPCM),
610 FORMAT_TYPE (WAVE_FORMAT_SONARC),
611 FORMAT_TYPE (WAVE_FORMAT_DSPGROUP_TRUESPEECH),
612 FORMAT_TYPE (WAVE_FORMAT_ECHOSC1),
613 FORMAT_TYPE (WAVE_FORMAT_AUDIOFILE_AF36),
614 FORMAT_TYPE (WAVE_FORMAT_APTX),
615 FORMAT_TYPE (WAVE_FORMAT_AUDIOFILE_AF10),
616 FORMAT_TYPE (WAVE_FORMAT_PROSODY_1612),
617 FORMAT_TYPE (WAVE_FORMAT_LRC),
618 FORMAT_TYPE (WAVE_FORMAT_DOLBY_AC2),
619 FORMAT_TYPE (WAVE_FORMAT_GSM610),
620 FORMAT_TYPE (WAVE_FORMAT_MSNAUDIO),
621 FORMAT_TYPE (WAVE_FORMAT_ANTEX_ADPCME),
622 FORMAT_TYPE (WAVE_FORMAT_CONTROL_RES_VQLPC),
623 FORMAT_TYPE (WAVE_FORMAT_DIGIREAL),
624 FORMAT_TYPE (WAVE_FORMAT_DIGIADPCM),
625 FORMAT_TYPE (WAVE_FORMAT_CONTROL_RES_CR10),
626 FORMAT_TYPE (WAVE_FORMAT_NMS_VBXADPCM),
627 FORMAT_TYPE (WAVE_FORMAT_ROLAND_RDAC),
628 FORMAT_TYPE (WAVE_FORMAT_ECHOSC3),
629 FORMAT_TYPE (WAVE_FORMAT_ROCKWELL_ADPCM),
630 FORMAT_TYPE (WAVE_FORMAT_ROCKWELL_DIGITALK),
631 FORMAT_TYPE (WAVE_FORMAT_XEBEC),
632 FORMAT_TYPE (WAVE_FORMAT_G721_ADPCM),
633 FORMAT_TYPE (WAVE_FORMAT_G728_CELP),
634 FORMAT_TYPE (WAVE_FORMAT_MSG723),
635 FORMAT_TYPE (WAVE_FORMAT_MPEG),
636 FORMAT_TYPE (WAVE_FORMAT_RT24),
637 FORMAT_TYPE (WAVE_FORMAT_PAC),
638 FORMAT_TYPE (WAVE_FORMAT_MPEGLAYER3),
639 FORMAT_TYPE (WAVE_FORMAT_LUCENT_G723),
640 FORMAT_TYPE (WAVE_FORMAT_CIRRUS),
641 FORMAT_TYPE (WAVE_FORMAT_ESPCM),
642 FORMAT_TYPE (WAVE_FORMAT_VOXWARE),
643 FORMAT_TYPE (WAVE_FORMAT_CANOPUS_ATRAC),
644 FORMAT_TYPE (WAVE_FORMAT_G726_ADPCM),
645 FORMAT_TYPE (WAVE_FORMAT_G722_ADPCM),
646 FORMAT_TYPE (WAVE_FORMAT_DSAT),
647 FORMAT_TYPE (WAVE_FORMAT_DSAT_DISPLAY),
648 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_BYTE_ALIGNED),
649 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_AC8),
650 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_AC10),
651 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_AC16),
652 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_AC20),
653 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_RT24),
654 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_RT29),
655 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_RT29HW),
656 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_VR12),
657 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_VR18),
658 FORMAT_TYPE (WAVE_FORMAT_VOXWARE_TQ40),
659 FORMAT_TYPE (WAVE_FORMAT_SOFTSOUND),
660 FORMAT_TYPE (WAVE_FORMAT_VOXARE_TQ60),
661 FORMAT_TYPE (WAVE_FORMAT_MSRT24),
662 FORMAT_TYPE (WAVE_FORMAT_G729A),
663 FORMAT_TYPE (WAVE_FORMAT_MVI_MV12),
664 FORMAT_TYPE (WAVE_FORMAT_DF_G726),
665 FORMAT_TYPE (WAVE_FORMAT_DF_GSM610),
666 FORMAT_TYPE (WAVE_FORMAT_ONLIVE),
667 FORMAT_TYPE (WAVE_FORMAT_SBC24),
668 FORMAT_TYPE (WAVE_FORMAT_DOLBY_AC3_SPDIF),
669 FORMAT_TYPE (WAVE_FORMAT_ZYXEL_ADPCM),
670 FORMAT_TYPE (WAVE_FORMAT_PHILIPS_LPCBB),
671 FORMAT_TYPE (WAVE_FORMAT_PACKED),
672 FORMAT_TYPE (WAVE_FORMAT_RHETOREX_ADPCM),
673 FORMAT_TYPE (IBM_FORMAT_MULAW),
674 FORMAT_TYPE (IBM_FORMAT_ALAW),
675 FORMAT_TYPE (IBM_FORMAT_ADPCM),
676 FORMAT_TYPE (WAVE_FORMAT_VIVO_G723),
677 FORMAT_TYPE (WAVE_FORMAT_VIVO_SIREN),
678 FORMAT_TYPE (WAVE_FORMAT_DIGITAL_G723),
679 FORMAT_TYPE (WAVE_FORMAT_CREATIVE_ADPCM),
680 FORMAT_TYPE (WAVE_FORMAT_CREATIVE_FASTSPEECH8),
681 FORMAT_TYPE (WAVE_FORMAT_CREATIVE_FASTSPEECH10),
682 FORMAT_TYPE (WAVE_FORMAT_QUARTERDECK),
683 FORMAT_TYPE (WAVE_FORMAT_FM_TOWNS_SND),
684 FORMAT_TYPE (WAVE_FORMAT_BZV_DIGITAL),
685 FORMAT_TYPE (WAVE_FORMAT_VME_VMPCM),
686 FORMAT_TYPE (WAVE_FORMAT_OLIGSM),
687 FORMAT_TYPE (WAVE_FORMAT_OLIADPCM),
688 FORMAT_TYPE (WAVE_FORMAT_OLICELP),
689 FORMAT_TYPE (WAVE_FORMAT_OLISBC),
690 FORMAT_TYPE (WAVE_FORMAT_OLIOPR),
691 FORMAT_TYPE (WAVE_FORMAT_LH_CODEC),
692 FORMAT_TYPE (WAVE_FORMAT_NORRIS),
693 FORMAT_TYPE (WAVE_FORMAT_SOUNDSPACE_MUSICOMPRESS),
694 FORMAT_TYPE (WAVE_FORMAT_DVM),
695 FORMAT_TYPE (WAVE_FORMAT_INTERWAV_VSC112),
696 FORMAT_TYPE (WAVE_FORMAT_IPP_ITU_G_723_1),
697 FORMAT_TYPE (WAVE_FORMAT_EXTENSIBLE),
698 } ;
699
700 char const*
wavlike_format_str(int k)701 wavlike_format_str (int k)
702 { int lower, upper, mid ;
703
704 lower = -1 ;
705 upper = sizeof (wave_descs) / sizeof (WAV_FORMAT_DESC) ;
706
707 /* binary search */
708 if ((wave_descs [0].ID <= k) && (k <= wave_descs [upper - 1].ID))
709 {
710 while (lower + 1 < upper)
711 { mid = (upper + lower) / 2 ;
712
713 if (k == wave_descs [mid].ID)
714 return wave_descs [mid].name ;
715 if (k < wave_descs [mid].ID)
716 upper = mid ;
717 else
718 lower = mid ;
719 } ;
720 } ;
721
722 return "Unknown format" ;
723 } /* wavlike_format_str */
724
725 int
wavlike_srate2blocksize(int srate_chan_product)726 wavlike_srate2blocksize (int srate_chan_product)
727 { if (srate_chan_product < 12000)
728 return 256 ;
729 if (srate_chan_product < 23000)
730 return 512 ;
731 if (srate_chan_product < 44000)
732 return 1024 ;
733 return 2048 ;
734 } /* srate2blocksize */
735
736 int
wavlike_read_bext_chunk(SF_PRIVATE * psf,uint32_t chunksize)737 wavlike_read_bext_chunk (SF_PRIVATE *psf, uint32_t chunksize)
738 {
739 SF_BROADCAST_INFO_16K * b ;
740 uint32_t bytes = 0 ;
741
742 if (chunksize < WAV_BEXT_MIN_CHUNK_SIZE)
743 { psf_log_printf (psf, "bext : %u (should be >= %d)\n", chunksize, WAV_BEXT_MIN_CHUNK_SIZE) ;
744 psf_binheader_readf (psf, "j", chunksize) ;
745 return 0 ;
746 } ;
747
748 if (chunksize > WAV_BEXT_MAX_CHUNK_SIZE)
749 { psf_log_printf (psf, "bext : %u (should be < %d)\n", chunksize, WAV_BEXT_MAX_CHUNK_SIZE) ;
750 psf_binheader_readf (psf, "j", chunksize) ;
751 return 0 ;
752 } ;
753
754 if (chunksize >= sizeof (SF_BROADCAST_INFO_16K))
755 { psf_log_printf (psf, "bext : %u too big to be handled\n", chunksize) ;
756 psf_binheader_readf (psf, "j", chunksize) ;
757 return 0 ;
758 } ;
759
760 psf_log_printf (psf, "bext : %u\n", chunksize) ;
761
762 if (!psf->broadcast_16k)
763 { psf->broadcast_16k = broadcast_var_alloc () ;
764 if (!psf->broadcast_16k)
765 { psf->error = SFE_MALLOC_FAILED ;
766 return psf->error ;
767 }
768 }
769 else
770 { psf_log_printf (psf, "bext : found more than one bext chunk, using last one.\n") ;
771 memset (psf->broadcast_16k, 0, sizeof (SF_BROADCAST_INFO_16K)) ;
772 }
773
774 b = psf->broadcast_16k ;
775
776 bytes += psf_binheader_readf (psf, "b", b->description, sizeof (b->description)) ;
777 bytes += psf_binheader_readf (psf, "b", b->originator, sizeof (b->originator)) ;
778 bytes += psf_binheader_readf (psf, "b", b->originator_reference, sizeof (b->originator_reference)) ;
779 bytes += psf_binheader_readf (psf, "b", b->origination_date, sizeof (b->origination_date)) ;
780 bytes += psf_binheader_readf (psf, "b", b->origination_time, sizeof (b->origination_time)) ;
781 bytes += psf_binheader_readf (psf, "442", &b->time_reference_low, &b->time_reference_high, &b->version) ;
782 bytes += psf_binheader_readf (psf, "b", &b->umid, sizeof (b->umid)) ;
783 bytes += psf_binheader_readf (psf, "22", &b->loudness_value, &b->loudness_range) ;
784 bytes += psf_binheader_readf (psf, "222", &b->max_true_peak_level, &b->max_momentary_loudness, &b->max_shortterm_loudness) ;
785 bytes += psf_binheader_readf (psf, "j", 180) ;
786
787 if (chunksize > WAV_BEXT_MIN_CHUNK_SIZE)
788 { /* File has coding history data. */
789
790 b->coding_history_size = chunksize - WAV_BEXT_MIN_CHUNK_SIZE ;
791
792 /* We do not parse the coding history */
793 bytes += psf_binheader_readf (psf, "b", BHWv (b->coding_history), BHWz (b->coding_history_size)) ;
794 } ;
795
796 if (bytes < chunksize)
797 psf_binheader_readf (psf, "j", BHWj (chunksize - bytes)) ;
798
799 return 0 ;
800 } /* wavlike_read_bext_chunk */
801
802 int
wavlike_write_bext_chunk(SF_PRIVATE * psf)803 wavlike_write_bext_chunk (SF_PRIVATE *psf)
804 { SF_BROADCAST_INFO_16K *b ;
805
806 if (psf->broadcast_16k == NULL)
807 return -1 ;
808
809 b = psf->broadcast_16k ;
810
811 psf_binheader_writef (psf, "m4", BHWm (bext_MARKER), BHW4 (WAV_BEXT_MIN_CHUNK_SIZE + b->coding_history_size)) ;
812
813 /*
814 ** Note that it is very important that the field widths of the SF_BROADCAST_INFO
815 ** struct match those of the bext chunk fields.
816 */
817
818 psf_binheader_writef (psf, "b", BHWv (b->description), BHWz (sizeof (b->description))) ;
819 psf_binheader_writef (psf, "b", BHWv (b->originator), BHWz (sizeof (b->originator))) ;
820 psf_binheader_writef (psf, "b", BHWv (b->originator_reference), BHWz (sizeof (b->originator_reference))) ;
821 psf_binheader_writef (psf, "b", BHWv (b->origination_date), BHWz (sizeof (b->origination_date))) ;
822 psf_binheader_writef (psf, "b", BHWv (b->origination_time), BHWz (sizeof (b->origination_time))) ;
823 psf_binheader_writef (psf, "442", BHW4 (b->time_reference_low), BHW4 (b->time_reference_high), BHW2 (b->version)) ;
824 psf_binheader_writef (psf, "b", BHWv (b->umid), BHWz (sizeof (b->umid))) ;
825 psf_binheader_writef (psf, "22", BHW2 (b->loudness_value), BHW2 (b->loudness_range)) ;
826 psf_binheader_writef (psf, "222", BHW2 (b->max_true_peak_level), BHW2 (b->max_momentary_loudness), BHW2 (b->max_shortterm_loudness)) ;
827 psf_binheader_writef (psf, "z", BHWz (180)) ;
828
829 if (b->coding_history_size > 0)
830 psf_binheader_writef (psf, "b", BHWv (b->coding_history), BHWz (b->coding_history_size)) ;
831
832 return 0 ;
833 } /* wavlike_write_bext_chunk */
834
835 int
wavlike_read_cart_chunk(SF_PRIVATE * psf,uint32_t chunksize)836 wavlike_read_cart_chunk (SF_PRIVATE *psf, uint32_t chunksize)
837 { SF_CART_INFO_16K *c ;
838 uint32_t bytes = 0 ;
839 int k ;
840
841 if (chunksize < WAV_CART_MIN_CHUNK_SIZE)
842 { psf_log_printf (psf, "cart : %u (should be >= %d)\n", chunksize, WAV_CART_MIN_CHUNK_SIZE) ;
843 psf_binheader_readf (psf, "j", chunksize) ;
844 return 0 ;
845 } ;
846 if (chunksize > WAV_CART_MAX_CHUNK_SIZE)
847 { psf_log_printf (psf, "cart : %u (should be < %d)\n", chunksize, WAV_CART_MAX_CHUNK_SIZE) ;
848 psf_binheader_readf (psf, "j", chunksize) ;
849 return 0 ;
850 } ;
851
852 /*
853 ** SF_CART_INFO_16K has an extra field 'tag_text_size' that isn't part
854 ** of the chunk, so don't include it in the size check.
855 */
856 if (chunksize >= sizeof (SF_CART_INFO_16K) - 4)
857 { psf_log_printf (psf, "cart : %u too big to be handled\n", chunksize) ;
858 psf_binheader_readf (psf, "j", chunksize) ;
859 return 0 ;
860 } ;
861
862 psf_log_printf (psf, "cart : %u\n", chunksize) ;
863
864 if (psf->cart_16k)
865 { psf_log_printf (psf, " Found more than one cart chunk, using last one.\n") ;
866 free (psf->cart_16k) ;
867 psf->cart_16k = NULL ;
868 } ;
869
870 if ((psf->cart_16k = cart_var_alloc ()) == NULL)
871 { psf->error = SFE_MALLOC_FAILED ;
872 return psf->error ;
873 } ;
874
875 c = psf->cart_16k ;
876 bytes += psf_binheader_readf (psf, "b", c->version, sizeof (c->version)) ;
877 bytes += psf_binheader_readf (psf, "b", c->title, sizeof (c->title)) ;
878 bytes += psf_binheader_readf (psf, "b", c->artist, sizeof (c->artist)) ;
879 bytes += psf_binheader_readf (psf, "b", c->cut_id, sizeof (c->cut_id)) ;
880 bytes += psf_binheader_readf (psf, "b", c->client_id, sizeof (c->client_id)) ;
881 bytes += psf_binheader_readf (psf, "b", c->category, sizeof (c->category)) ;
882 bytes += psf_binheader_readf (psf, "b", c->classification, sizeof (c->classification)) ;
883 bytes += psf_binheader_readf (psf, "b", c->out_cue, sizeof (c->out_cue)) ;
884 bytes += psf_binheader_readf (psf, "b", c->start_date, sizeof (c->start_date)) ;
885 bytes += psf_binheader_readf (psf, "b", c->start_time, sizeof (c->start_time)) ;
886 bytes += psf_binheader_readf (psf, "b", c->end_date, sizeof (c->end_date)) ;
887 bytes += psf_binheader_readf (psf, "b", c->end_time, sizeof (c->end_time)) ;
888 bytes += psf_binheader_readf (psf, "b", c->producer_app_id, sizeof (c->producer_app_id)) ;
889 bytes += psf_binheader_readf (psf, "b", c->producer_app_version, sizeof (c->producer_app_version)) ;
890 bytes += psf_binheader_readf (psf, "b", c->user_def, sizeof (c->user_def)) ;
891 bytes += psf_binheader_readf (psf, "e4", &c->level_reference, sizeof (c->level_reference)) ;
892
893 for (k = 0 ; k < ARRAY_LEN (c->post_timers) ; k++)
894 bytes += psf_binheader_readf (psf, "b4", &c->post_timers [k].usage, make_size_t (4), &c->post_timers [k].value) ;
895
896 bytes += psf_binheader_readf (psf, "b", c->reserved, sizeof (c->reserved)) ;
897 bytes += psf_binheader_readf (psf, "b", c->url, sizeof (c->url)) ;
898
899 if (chunksize > WAV_CART_MIN_CHUNK_SIZE)
900 { /* File has tag text. */
901 c->tag_text_size = chunksize - WAV_CART_MIN_CHUNK_SIZE ;
902 bytes += psf_binheader_readf (psf, "b", c->tag_text, make_size_t (c->tag_text_size)) ;
903 } ;
904
905 if (bytes < chunksize)
906 psf_log_printf (psf, " %d trailing bytes in cart chunk.\n", chunksize - bytes) ;
907
908 return 0 ;
909 } /* wavlike_read_cart_chunk */
910
911 int
wavlike_write_cart_chunk(SF_PRIVATE * psf)912 wavlike_write_cart_chunk (SF_PRIVATE *psf)
913 { SF_CART_INFO_16K *c ;
914 int k ;
915
916 if (psf->cart_16k == NULL)
917 return -1 ;
918
919 c = psf->cart_16k ;
920 psf_binheader_writef (psf, "m4", BHWm (cart_MARKER), BHW4 (WAV_CART_MIN_CHUNK_SIZE + c->tag_text_size)) ;
921 /*
922 ** Note that it is very important that the field widths of the SF_CART_INFO
923 ** struct match those of the cart chunk fields.
924 */
925 psf_binheader_writef (psf, "b", BHWv (c->version), BHWz (sizeof (c->version))) ;
926 psf_binheader_writef (psf, "b", BHWv (c->title), BHWz (sizeof (c->title))) ;
927 psf_binheader_writef (psf, "b", BHWv (c->artist), BHWz (sizeof (c->artist))) ;
928 psf_binheader_writef (psf, "b", BHWv (c->cut_id), BHWz (sizeof (c->cut_id))) ;
929 psf_binheader_writef (psf, "b", BHWv (c->client_id), BHWz (sizeof (c->client_id))) ;
930 psf_binheader_writef (psf, "b", BHWv (c->category), BHWz (sizeof (c->category))) ;
931 psf_binheader_writef (psf, "b", BHWv (c->classification), BHWz (sizeof (c->classification))) ;
932 psf_binheader_writef (psf, "b", BHWv (c->out_cue), BHWz (sizeof (c->out_cue))) ;
933 psf_binheader_writef (psf, "b", BHWv (c->start_date), BHWz (sizeof (c->start_date))) ;
934 psf_binheader_writef (psf, "b", BHWv (c->start_time), BHWz (sizeof (c->start_time))) ;
935 psf_binheader_writef (psf, "b", BHWv (c->end_date), BHWz (sizeof (c->end_date))) ;
936 psf_binheader_writef (psf, "b", BHWv (c->end_time), BHWz (sizeof (c->end_time))) ;
937 psf_binheader_writef (psf, "b", BHWv (c->producer_app_id), BHWz (sizeof (c->producer_app_id))) ;
938 psf_binheader_writef (psf, "b", BHWv (c->producer_app_version), BHWz (sizeof (c->producer_app_version))) ;
939 psf_binheader_writef (psf, "b", BHWv (c->user_def), BHWz (sizeof (c->user_def))) ;
940 psf_binheader_writef (psf, "e4", BHW4 (c->level_reference)) ;
941
942 for (k = 0 ; k < ARRAY_LEN (c->post_timers) ; k++)
943 psf_binheader_writef (psf, "b4", BHWv (c->post_timers [k].usage), BHWz (4), BHW4 (c->post_timers [k].value)) ;
944
945 psf_binheader_writef (psf, "z", BHWz (sizeof (c->reserved))) ; // just write zeros, we don't have any other use for it
946 psf_binheader_writef (psf, "b", BHWv (c->url), BHWz (sizeof (c->url))) ;
947
948 if (c->tag_text_size > 0)
949 psf_binheader_writef (psf, "b", BHWv (c->tag_text), BHWz (c->tag_text_size)) ;
950
951 return 0 ;
952 } /* wavlike_write_cart_chunk */
953
954 int
wavlike_subchunk_parse(SF_PRIVATE * psf,int chunk,uint32_t chunk_length)955 wavlike_subchunk_parse (SF_PRIVATE *psf, int chunk, uint32_t chunk_length)
956 { sf_count_t current_pos ;
957 char buffer [2048] ;
958 uint32_t chunk_size, bytesread = 0 ;
959
960 current_pos = psf_fseek (psf, 0, SEEK_CUR) ;
961
962 if (chunk_length <= 8)
963 { /* This case is for broken files generated by PEAK. */
964 psf_log_printf (psf, "%M : %u (weird length)\n", chunk, chunk_length) ;
965 psf_binheader_readf (psf, "mj", &chunk, chunk_length - 4) ;
966 psf_log_printf (psf, " %M\n", chunk) ;
967 return 0 ;
968 } ;
969
970 if (current_pos + chunk_length > psf->filelength)
971 { psf_log_printf (psf, "%M : %u (should be %d)\n", chunk, chunk_length, (int) (psf->filelength - current_pos)) ;
972 chunk_length = psf->filelength - current_pos ;
973 }
974 else
975 psf_log_printf (psf, "%M : %u\n", chunk, chunk_length) ;
976
977 while (bytesread < chunk_length)
978 { uint32_t thisread ;
979
980 if ((thisread = psf_binheader_readf (psf, "m", &chunk)) == 0)
981 break ;
982 bytesread += thisread ;
983
984 switch (chunk)
985 { case adtl_MARKER :
986 case INFO_MARKER :
987 /* These markers don't contain anything, not even a chunk length. */
988 psf_log_printf (psf, " %M\n", chunk) ;
989 continue ;
990
991 case exif_MARKER :
992 psf_log_printf (psf, " %M\n", chunk) ;
993 if (chunk_length > bytesread)
994 bytesread += exif_subchunk_parse (psf, chunk_length - bytesread) ;
995 continue ;
996
997 case data_MARKER :
998 psf_log_printf (psf, " %M inside a LIST block??? Backing out.\n", chunk) ;
999 /* Jump back four bytes and return to caller. */
1000 psf_binheader_readf (psf, "j", -4) ;
1001 return 0 ;
1002
1003 case 0 :
1004 /*
1005 ** Four zero bytes where a marker was expected. Assume this means
1006 ** the rest of the chunk is garbage.
1007 */
1008 psf_log_printf (psf, " *** Found weird-ass zero marker. Jumping to end of chunk.\n") ;
1009 goto cleanup_subchunk_parse ;
1010
1011 default :
1012 break ;
1013 } ;
1014
1015 switch (chunk)
1016 { case ISFT_MARKER :
1017 case ICOP_MARKER :
1018 case IARL_MARKER :
1019 case IART_MARKER :
1020 case ICMT_MARKER :
1021 case ICRD_MARKER :
1022 case IENG_MARKER :
1023 case IGNR_MARKER :
1024 case INAM_MARKER :
1025 case IPRD_MARKER :
1026 case ISBJ_MARKER :
1027 case ISRC_MARKER :
1028 case IAUT_MARKER :
1029 case ITRK_MARKER :
1030 bytesread += psf_binheader_readf (psf, "4", &chunk_size) ;
1031 chunk_size += (chunk_size & 1) ;
1032 if (chunk_size >= SIGNED_SIZEOF (buffer) || bytesread + chunk_size > chunk_length)
1033 { psf_log_printf (psf, " *** %M : %u (too big)\n", chunk, chunk_size) ;
1034 goto cleanup_subchunk_parse ;
1035 } ;
1036
1037 bytesread += psf_binheader_readf (psf, "b", buffer, chunk_size) ;
1038 buffer [chunk_size] = 0 ;
1039 psf_log_printf (psf, " %M : %s\n", chunk, buffer) ;
1040 break ;
1041
1042 case labl_MARKER :
1043 { int mark_id ;
1044
1045 bytesread += psf_binheader_readf (psf, "44", &chunk_size, &mark_id) ;
1046 chunk_size -= 4 ;
1047 chunk_size += (chunk_size & 1) ;
1048 if (chunk_size < 1 || chunk_size >= SIGNED_SIZEOF (buffer) || bytesread + chunk_size > chunk_length)
1049 { psf_log_printf (psf, " *** %M : %u (too big)\n", chunk, chunk_size) ;
1050 goto cleanup_subchunk_parse ;
1051 } ;
1052
1053 bytesread += psf_binheader_readf (psf, "b", buffer, chunk_size) ;
1054 buffer [chunk_size] = 0 ;
1055
1056 if (mark_id < 10) /* avoid swamping log buffer with labels */
1057 psf_log_printf (psf, " %M : %u : %s\n", chunk, mark_id, buffer) ;
1058 else if (mark_id == 10)
1059 psf_log_printf (psf, " (Skipping)\n") ;
1060
1061 if (psf->cues)
1062 { unsigned int i = 0 ;
1063
1064 /* find id to store label */
1065 while (i < psf->cues->cue_count && psf->cues->cue_points [i].indx != mark_id)
1066 i++ ;
1067
1068 if (i < psf->cues->cue_count)
1069 memcpy (psf->cues->cue_points [i].name, buffer, sizeof (psf->cues->cue_points [i].name)) ;
1070 } ;
1071 } ;
1072 break ;
1073
1074 case DISP_MARKER :
1075 case ltxt_MARKER :
1076 case note_MARKER :
1077 bytesread += psf_binheader_readf (psf, "4", &chunk_size) ;
1078 chunk_size += (chunk_size & 1) ;
1079 if (chunk_size >= SIGNED_SIZEOF (buffer) || bytesread + chunk_size > chunk_length)
1080 { psf_log_printf (psf, " *** %M : %u (too big)\n", chunk, chunk_size) ;
1081 goto cleanup_subchunk_parse ;
1082 } ;
1083
1084 psf_log_printf (psf, " %M : %u\n", chunk, chunk_size) ;
1085 goto cleanup_subchunk_parse ;
1086
1087 default :
1088 bytesread += psf_binheader_readf (psf, "4", &chunk_size) ;
1089 chunk_size += (chunk_size & 1) ;
1090 if (bytesread + chunk_size > chunk_length)
1091 { psf_log_printf (psf, " *** %M : %u (too big)\n", chunk, chunk_size) ;
1092 goto cleanup_subchunk_parse ;
1093 }
1094 else
1095 { psf_log_printf (psf, " %M : %u\n", chunk, chunk_size) ;
1096 bytesread += psf_binheader_readf (psf, "j", chunk_size) ;
1097 } ;
1098 break ;
1099 } ;
1100
1101 switch (chunk)
1102 { case ISFT_MARKER :
1103 psf_store_string (psf, SF_STR_SOFTWARE, buffer) ;
1104 break ;
1105 case ICOP_MARKER :
1106 psf_store_string (psf, SF_STR_COPYRIGHT, buffer) ;
1107 break ;
1108 case INAM_MARKER :
1109 psf_store_string (psf, SF_STR_TITLE, buffer) ;
1110 break ;
1111 case IART_MARKER :
1112 psf_store_string (psf, SF_STR_ARTIST, buffer) ;
1113 break ;
1114 case ICMT_MARKER :
1115 psf_store_string (psf, SF_STR_COMMENT, buffer) ;
1116 break ;
1117 case ICRD_MARKER :
1118 psf_store_string (psf, SF_STR_DATE, buffer) ;
1119 break ;
1120 case IGNR_MARKER :
1121 psf_store_string (psf, SF_STR_GENRE, buffer) ;
1122 break ;
1123 case IPRD_MARKER :
1124 psf_store_string (psf, SF_STR_ALBUM, buffer) ;
1125 break ;
1126 case ITRK_MARKER :
1127 psf_store_string (psf, SF_STR_TRACKNUMBER, buffer) ;
1128 break ;
1129 } ;
1130 } ;
1131
1132 cleanup_subchunk_parse :
1133
1134 if (chunk_length > bytesread)
1135 bytesread += psf_binheader_readf (psf, "j", chunk_length - bytesread) ;
1136
1137 return 0 ;
1138 } /* wavlike_subchunk_parse */
1139
1140 void
wavlike_write_strings(SF_PRIVATE * psf,int location)1141 wavlike_write_strings (SF_PRIVATE *psf, int location)
1142 { int k, prev_head_index, saved_head_index ;
1143
1144 if (psf_location_string_count (psf, location) == 0)
1145 return ;
1146
1147 prev_head_index = psf->header.indx + 4 ;
1148
1149 psf_binheader_writef (psf, "m4m", BHWm (LIST_MARKER), BHW4 (0xBADBAD), BHWm (INFO_MARKER)) ;
1150
1151 for (k = 0 ; k < SF_MAX_STRINGS ; k++)
1152 { if (psf->strings.data [k].type == 0)
1153 break ;
1154 if (psf->strings.data [k].type < 0 || psf->strings.data [k].flags != location)
1155 continue ;
1156
1157 switch (psf->strings.data [k].type)
1158 { case SF_STR_SOFTWARE :
1159 psf_binheader_writef (psf, "ms", BHWm (ISFT_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1160 break ;
1161
1162 case SF_STR_TITLE :
1163 psf_binheader_writef (psf, "ms", BHWm (INAM_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1164 break ;
1165
1166 case SF_STR_COPYRIGHT :
1167 psf_binheader_writef (psf, "ms", BHWm (ICOP_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1168 break ;
1169
1170 case SF_STR_ARTIST :
1171 psf_binheader_writef (psf, "ms", BHWm (IART_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1172 break ;
1173
1174 case SF_STR_COMMENT :
1175 psf_binheader_writef (psf, "ms", BHWm (ICMT_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1176 break ;
1177
1178 case SF_STR_DATE :
1179 psf_binheader_writef (psf, "ms", BHWm (ICRD_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1180 break ;
1181
1182 case SF_STR_GENRE :
1183 psf_binheader_writef (psf, "ms", BHWm (IGNR_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1184 break ;
1185
1186 case SF_STR_ALBUM :
1187 psf_binheader_writef (psf, "ms", BHWm (IPRD_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1188 break ;
1189
1190 case SF_STR_TRACKNUMBER :
1191 psf_binheader_writef (psf, "ms", BHWm (ITRK_MARKER), BHWs (psf->strings.storage + psf->strings.data [k].offset)) ;
1192 break ;
1193
1194 default :
1195 break ;
1196 } ;
1197 } ;
1198
1199 saved_head_index = psf->header.indx ;
1200 psf->header.indx = prev_head_index ;
1201 psf_binheader_writef (psf, "4", BHW4 (saved_head_index - prev_head_index - 4)) ;
1202 psf->header.indx = saved_head_index ;
1203
1204 } /* wavlike_write_strings */
1205
1206 int
wavlike_read_peak_chunk(SF_PRIVATE * psf,size_t chunk_size)1207 wavlike_read_peak_chunk (SF_PRIVATE * psf, size_t chunk_size)
1208 { char buffer [256] ;
1209 uint32_t uk ;
1210
1211 if (chunk_size != WAVLIKE_PEAK_CHUNK_SIZE (psf->sf.channels))
1212 { psf_binheader_readf (psf, "j", chunk_size) ;
1213 psf_log_printf (psf, "*** File PEAK chunk size doesn't fit with number of channels (%d).\n", psf->sf.channels) ;
1214 return SFE_WAV_BAD_PEAK ;
1215 } ;
1216
1217 if (psf->peak_info)
1218 { psf_log_printf (psf, "*** Found existing peak info, using last one.\n") ;
1219 free (psf->peak_info) ;
1220 psf->peak_info = NULL ;
1221 } ;
1222 if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
1223 return SFE_MALLOC_FAILED ;
1224
1225 /* read in rest of PEAK chunk. */
1226 psf_binheader_readf (psf, "44", & (psf->peak_info->version), & (psf->peak_info->timestamp)) ;
1227
1228 if (psf->peak_info->version != 1)
1229 psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->peak_info->version) ;
1230 else
1231 psf_log_printf (psf, " version : %d\n", psf->peak_info->version) ;
1232
1233 psf_log_printf (psf, " time stamp : %d\n", psf->peak_info->timestamp) ;
1234 psf_log_printf (psf, " Ch Position Value\n") ;
1235
1236 for (uk = 0 ; uk < (uint32_t) psf->sf.channels ; uk++)
1237 { float value ;
1238 uint32_t position ;
1239
1240 psf_binheader_readf (psf, "f4", &value, &position) ;
1241 psf->peak_info->peaks [uk].value = value ;
1242 psf->peak_info->peaks [uk].position = position ;
1243
1244 snprintf (buffer, sizeof (buffer), " %2d %-12" PRId64 " %g\n",
1245 uk, psf->peak_info->peaks [uk].position, psf->peak_info->peaks [uk].value) ;
1246 buffer [sizeof (buffer) - 1] = 0 ;
1247 psf_log_printf (psf, "%s", buffer) ;
1248 } ;
1249
1250 return 0 ;
1251 } /* wavlike_read_peak_chunk */
1252
1253 void
wavlike_write_peak_chunk(SF_PRIVATE * psf)1254 wavlike_write_peak_chunk (SF_PRIVATE * psf)
1255 { int k ;
1256
1257 if (psf->peak_info == NULL)
1258 return ;
1259
1260 psf_binheader_writef (psf, "m4", BHWm (PEAK_MARKER), BHW4 (WAVLIKE_PEAK_CHUNK_SIZE (psf->sf.channels))) ;
1261 psf_binheader_writef (psf, "44", BHW4 (1), BHW4 (time (NULL))) ;
1262 for (k = 0 ; k < psf->sf.channels ; k++)
1263 psf_binheader_writef (psf, "ft8", BHWf (psf->peak_info->peaks [k].value), BHW8 (psf->peak_info->peaks [k].position)) ;
1264 } /* wavlike_write_peak_chunk */
1265
1266 /*==============================================================================
1267 */
1268
1269 static int
exif_fill_and_sink(SF_PRIVATE * psf,char * buf,size_t bufsz,size_t toread)1270 exif_fill_and_sink (SF_PRIVATE *psf, char* buf, size_t bufsz, size_t toread)
1271 {
1272 size_t bytesread = 0 ;
1273
1274 buf [0] = 0 ;
1275 bufsz -= 1 ;
1276 if (toread < bufsz)
1277 bufsz = toread ;
1278 bytesread = psf_binheader_readf (psf, "b", buf, bufsz) ;
1279 buf [bufsz] = 0 ;
1280
1281 if (bytesread == bufsz && toread > bufsz)
1282 bytesread += psf_binheader_readf (psf, "j", toread - bufsz) ;
1283
1284 return bytesread ;
1285 } /* exif_fill_and_sink */
1286
1287 /*
1288 ** Exif specification for audio files, at JEITA CP-3451 Exif 2.2 section 5
1289 ** (Exif Audio File Specification) http://www.exif.org/Exif2-2.PDF
1290 */
1291 static int
exif_subchunk_parse(SF_PRIVATE * psf,uint32_t length)1292 exif_subchunk_parse (SF_PRIVATE *psf, uint32_t length)
1293 { uint32_t marker, dword = 0, vmajor = -1, vminor = -1, bytesread = 0 ;
1294 char buf [4096] ;
1295 int thisread ;
1296
1297 while (bytesread < length)
1298 {
1299 if ((thisread = psf_binheader_readf (psf, "m", &marker)) == 0)
1300 break ;
1301 bytesread += thisread ;
1302
1303 switch (marker)
1304 {
1305 case 0 : /* camera padding? */
1306 break ;
1307
1308 case ever_MARKER :
1309 bytesread += psf_binheader_readf (psf, "j4", 4, &dword) ;
1310 vmajor = 10 * (((dword >> 24) & 0xff) - '0') + (((dword >> 16) & 0xff) - '0') ;
1311 vminor = 10 * (((dword >> 8) & 0xff) - '0') + ((dword & 0xff) - '0') ;
1312 psf_log_printf (psf, " EXIF Version : %u.%02u\n", vmajor, vminor) ;
1313 break ;
1314
1315 case olym_MARKER :
1316 bytesread += psf_binheader_readf (psf, "4", &dword) ;
1317 psf_log_printf (psf, "%M : %u\n", marker, dword) ;
1318 if (dword > length || bytesread + dword > length)
1319 break ;
1320 dword += (dword & 1) ;
1321 bytesread += psf_binheader_readf (psf, "j", dword) ;
1322 break ;
1323
1324 case emnt_MARKER : /* design information: null-terminated string */
1325 case emdl_MARKER : /* model name ; null-terminated string */
1326 case ecor_MARKER : /* manufacturer: null-terminated string */
1327 case etim_MARKER : /* creation time: null-terminated string in the format "hour:minute:second.subsecond" */
1328 case erel_MARKER : /* relation info: null-terminated string (filename) */
1329 case eucm_MARKER : /* user comment: 4-byte size follows, then possibly unicode data */
1330 bytesread += psf_binheader_readf (psf, "4", &dword) ;
1331 bytesread += sizeof (dword) ;
1332 dword += (dword & 1) ;
1333
1334 if (dword >= sizeof (buf))
1335 { psf_log_printf (psf, "*** Marker '%M' is too big %u\n\n", marker, dword) ;
1336 return bytesread ;
1337 } ;
1338
1339 bytesread += exif_fill_and_sink (psf, buf, sizeof (buf), dword) ;
1340
1341 /* BAD - don't know what's going on here -- maybe a bug in the camera */
1342 /* field should be NULL-terminated but there's no room for it with the reported number */
1343 /* example output: emdl : 8 (EX-Z1050) */
1344 if (marker == emdl_MARKER && dword == strlen (buf) /* should be >= strlen+1*/)
1345 { psf_log_printf (psf, " *** field size too small for string (sinking 2 bytes)\n") ;
1346 bytesread += psf_binheader_readf (psf, "j", 2) ;
1347 } ;
1348
1349 psf_log_printf (psf, " %M : %u (%s)\n", marker, dword, buf) ;
1350 if (dword > length)
1351 return bytesread ;
1352 break ;
1353
1354 default :
1355 psf_log_printf (psf, " *** %M (%u): -- ignored --\n", marker, marker) ;
1356 break ;
1357 } ;
1358 } ;
1359
1360 return bytesread ;
1361 } /* exif_subchunk_parse */
1362
1363 void
wavlike_write_custom_chunks(SF_PRIVATE * psf)1364 wavlike_write_custom_chunks (SF_PRIVATE * psf)
1365 { uint32_t k ;
1366
1367 for (k = 0 ; k < psf->wchunks.used ; k++)
1368 psf_binheader_writef (psf, "m4b", BHWm (psf->wchunks.chunks [k].mark32), BHW4 (psf->wchunks.chunks [k].len),
1369 BHWv (psf->wchunks.chunks [k].data), BHWz (psf->wchunks.chunks [k].len)) ;
1370
1371 } /* wavlike_write_custom_chunks */
1372