1 /*
2 ** Copyright (C) 1999-2018 Erik de Castro Lopo <erikd@mega-nerd.com>
3 ** Copyright (C) 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 <stdlib.h>
24 #include <string.h>
25 #include <time.h>
26 #include <ctype.h>
27 #include <inttypes.h>
28
29 #include "sndfile.h"
30 #include "sfendian.h"
31 #include "common.h"
32 #include "chanmap.h"
33
34 /*------------------------------------------------------------------------------
35 * Macros to handle big/little endian issues.
36 */
37
38 #define FORM_MARKER (MAKE_MARKER ('F', 'O', 'R', 'M'))
39 #define AIFF_MARKER (MAKE_MARKER ('A', 'I', 'F', 'F'))
40 #define AIFC_MARKER (MAKE_MARKER ('A', 'I', 'F', 'C'))
41 #define COMM_MARKER (MAKE_MARKER ('C', 'O', 'M', 'M'))
42 #define SSND_MARKER (MAKE_MARKER ('S', 'S', 'N', 'D'))
43 #define MARK_MARKER (MAKE_MARKER ('M', 'A', 'R', 'K'))
44 #define INST_MARKER (MAKE_MARKER ('I', 'N', 'S', 'T'))
45 #define APPL_MARKER (MAKE_MARKER ('A', 'P', 'P', 'L'))
46 #define CHAN_MARKER (MAKE_MARKER ('C', 'H', 'A', 'N'))
47
48 #define c_MARKER (MAKE_MARKER ('(', 'c', ')', ' '))
49 #define NAME_MARKER (MAKE_MARKER ('N', 'A', 'M', 'E'))
50 #define AUTH_MARKER (MAKE_MARKER ('A', 'U', 'T', 'H'))
51 #define ANNO_MARKER (MAKE_MARKER ('A', 'N', 'N', 'O'))
52 #define COMT_MARKER (MAKE_MARKER ('C', 'O', 'M', 'T'))
53 #define FVER_MARKER (MAKE_MARKER ('F', 'V', 'E', 'R'))
54 #define SFX_MARKER (MAKE_MARKER ('S', 'F', 'X', '!'))
55
56 #define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K'))
57 #define basc_MARKER (MAKE_MARKER ('b', 'a', 's', 'c'))
58
59 /* Supported AIFC encodings.*/
60 #define NONE_MARKER (MAKE_MARKER ('N', 'O', 'N', 'E'))
61 #define sowt_MARKER (MAKE_MARKER ('s', 'o', 'w', 't'))
62 #define twos_MARKER (MAKE_MARKER ('t', 'w', 'o', 's'))
63 #define raw_MARKER (MAKE_MARKER ('r', 'a', 'w', ' '))
64 #define in24_MARKER (MAKE_MARKER ('i', 'n', '2', '4'))
65 #define ni24_MARKER (MAKE_MARKER ('4', '2', 'n', '1'))
66 #define in32_MARKER (MAKE_MARKER ('i', 'n', '3', '2'))
67 #define ni32_MARKER (MAKE_MARKER ('2', '3', 'n', 'i'))
68
69 #define fl32_MARKER (MAKE_MARKER ('f', 'l', '3', '2'))
70 #define FL32_MARKER (MAKE_MARKER ('F', 'L', '3', '2'))
71 #define fl64_MARKER (MAKE_MARKER ('f', 'l', '6', '4'))
72 #define FL64_MARKER (MAKE_MARKER ('F', 'L', '6', '4'))
73
74 #define ulaw_MARKER (MAKE_MARKER ('u', 'l', 'a', 'w'))
75 #define ULAW_MARKER (MAKE_MARKER ('U', 'L', 'A', 'W'))
76 #define alaw_MARKER (MAKE_MARKER ('a', 'l', 'a', 'w'))
77 #define ALAW_MARKER (MAKE_MARKER ('A', 'L', 'A', 'W'))
78
79 #define DWVW_MARKER (MAKE_MARKER ('D', 'W', 'V', 'W'))
80 #define GSM_MARKER (MAKE_MARKER ('G', 'S', 'M', ' '))
81 #define ima4_MARKER (MAKE_MARKER ('i', 'm', 'a', '4'))
82
83 /*
84 ** This value is officially assigned to Mega Nerd Pty Ltd by Apple
85 ** Corportation as the Application marker for libsndfile.
86 **
87 ** See : http://developer.apple.com/faq/datatype.html
88 */
89 #define m3ga_MARKER (MAKE_MARKER ('m', '3', 'g', 'a'))
90
91 /* Unsupported AIFC encodings.*/
92
93 #define MAC3_MARKER (MAKE_MARKER ('M', 'A', 'C', '3'))
94 #define MAC6_MARKER (MAKE_MARKER ('M', 'A', 'C', '6'))
95 #define ADP4_MARKER (MAKE_MARKER ('A', 'D', 'P', '4'))
96
97 /* Predfined chunk sizes. */
98 #define SIZEOF_AIFF_COMM 18
99 #define SIZEOF_AIFC_COMM_MIN 22
100 #define SIZEOF_AIFC_COMM 24
101 #define SIZEOF_SSND_CHUNK 8
102 #define SIZEOF_INST_CHUNK 20
103
104 /* Is it constant? */
105
106 /* AIFC/IMA4 defines. */
107 #define AIFC_IMA4_BLOCK_LEN 34
108 #define AIFC_IMA4_SAMPLES_PER_BLOCK 64
109
110 #define AIFF_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int)))
111
112 /*------------------------------------------------------------------------------
113 * Typedefs for file chunks.
114 */
115
116 enum
117 { HAVE_FORM = 0x01,
118 HAVE_AIFF = 0x02,
119 HAVE_AIFC = 0x04,
120 HAVE_FVER = 0x08,
121 HAVE_COMM = 0x10,
122 HAVE_SSND = 0x20
123 } ;
124
125 typedef struct
126 { uint32_t size ;
127 int16_t numChannels ;
128 uint32_t numSampleFrames ;
129 int16_t sampleSize ;
130 uint8_t sampleRate [10] ;
131 uint32_t encoding ;
132 char zero_bytes [2] ;
133 } COMM_CHUNK ;
134
135 typedef struct
136 { uint32_t offset ;
137 uint32_t blocksize ;
138 } SSND_CHUNK ;
139
140 typedef struct
141 { int16_t playMode ;
142 uint16_t beginLoop ;
143 uint16_t endLoop ;
144 } INST_LOOP ;
145
146 typedef struct
147 { int8_t baseNote ; /* all notes are MIDI note numbers */
148 int8_t detune ; /* cents off, only -50 to +50 are significant */
149 int8_t lowNote ;
150 int8_t highNote ;
151 int8_t lowVelocity ; /* 1 to 127 */
152 int8_t highVelocity ; /* 1 to 127 */
153 int16_t gain ; /* in dB, 0 is normal */
154 INST_LOOP sustain_loop ;
155 INST_LOOP release_loop ;
156 } INST_CHUNK ;
157
158
159 enum
160 { basc_SCALE_MINOR = 1,
161 basc_SCALE_MAJOR,
162 basc_SCALE_NEITHER,
163 basc_SCALE_BOTH
164 } ;
165
166 enum
167 { basc_TYPE_LOOP = 0,
168 basc_TYPE_ONE_SHOT
169 } ;
170
171
172 typedef struct
173 { uint32_t version ;
174 uint32_t numBeats ;
175 uint16_t rootNote ;
176 uint16_t scaleType ;
177 uint16_t sigNumerator ;
178 uint16_t sigDenominator ;
179 uint16_t loopType ;
180 } basc_CHUNK ;
181
182 typedef struct
183 { uint16_t markerID ;
184 uint32_t position ;
185 } MARK_ID_POS ;
186
187 typedef struct
188 { sf_count_t comm_offset ;
189 sf_count_t ssnd_offset ;
190
191 int32_t chanmap_tag ;
192
193 MARK_ID_POS *markstr ;
194 } AIFF_PRIVATE ;
195
196 /*------------------------------------------------------------------------------
197 * Private static functions.
198 */
199
200 static int aiff_close (SF_PRIVATE *psf) ;
201
202 static int tenbytefloat2int (uint8_t *bytes) ;
203 static void uint2tenbytefloat (uint32_t num, uint8_t *bytes) ;
204
205 static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ;
206
207 static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ;
208
209 static int aiff_write_header (SF_PRIVATE *psf, int calc_length) ;
210 static int aiff_write_tailer (SF_PRIVATE *psf) ;
211 static void aiff_write_strings (SF_PRIVATE *psf, int location) ;
212
213 static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) ;
214
215 static const char *get_loop_mode_str (int16_t mode) ;
216
217 static int16_t get_loop_mode (int16_t mode) ;
218
219 static int aiff_read_basc_chunk (SF_PRIVATE * psf, int) ;
220
221 static int aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) ;
222
223 static uint32_t marker_to_position (const MARK_ID_POS *m, uint16_t n, int marksize) ;
224
225 static int aiff_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info) ;
226 static SF_CHUNK_ITERATOR * aiff_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator) ;
227 static int aiff_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ;
228 static int aiff_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info) ;
229
230 /*------------------------------------------------------------------------------
231 ** Public function.
232 */
233
234 int
aiff_open(SF_PRIVATE * psf)235 aiff_open (SF_PRIVATE *psf)
236 { COMM_CHUNK comm_fmt ;
237 int error, subformat ;
238
239 memset (&comm_fmt, 0, sizeof (comm_fmt)) ;
240
241 subformat = SF_CODEC (psf->sf.format) ;
242
243 if ((psf->container_data = calloc (1, sizeof (AIFF_PRIVATE))) == NULL)
244 return SFE_MALLOC_FAILED ;
245
246 psf->container_close = aiff_close ;
247
248 if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
249 { if ((error = aiff_read_header (psf, &comm_fmt)))
250 return error ;
251
252 psf->next_chunk_iterator = aiff_next_chunk_iterator ;
253 psf->get_chunk_size = aiff_get_chunk_size ;
254 psf->get_chunk_data = aiff_get_chunk_data ;
255
256 psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
257 } ;
258
259 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
260 { if (psf->is_pipe)
261 return SFE_NO_PIPE_WRITE ;
262
263 if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_AIFF)
264 return SFE_BAD_OPEN_FORMAT ;
265
266 if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE))
267 { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
268 return SFE_MALLOC_FAILED ;
269 psf->peak_info->peak_loc = SF_PEAK_START ;
270 } ;
271
272 if (psf->file.mode != SFM_RDWR || psf->filelength < 40)
273 { psf->filelength = 0 ;
274 psf->datalength = 0 ;
275 psf->dataoffset = 0 ;
276 psf->sf.frames = 0 ;
277 } ;
278
279 psf->strings.flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ;
280
281 if ((error = aiff_write_header (psf, SF_FALSE)))
282 return error ;
283
284 psf->write_header = aiff_write_header ;
285 psf->set_chunk = aiff_set_chunk ;
286 } ;
287
288 psf->command = aiff_command ;
289
290 switch (SF_CODEC (psf->sf.format))
291 { case SF_FORMAT_PCM_U8 :
292 error = pcm_init (psf) ;
293 break ;
294
295 case SF_FORMAT_PCM_S8 :
296 error = pcm_init (psf) ;
297 break ;
298
299 case SF_FORMAT_PCM_16 :
300 case SF_FORMAT_PCM_24 :
301 case SF_FORMAT_PCM_32 :
302 error = pcm_init (psf) ;
303 break ;
304
305 case SF_FORMAT_ULAW :
306 error = ulaw_init (psf) ;
307 break ;
308
309 case SF_FORMAT_ALAW :
310 error = alaw_init (psf) ;
311 break ;
312
313 /* Lite remove start */
314 case SF_FORMAT_FLOAT :
315 error = float32_init (psf) ;
316 break ;
317
318 case SF_FORMAT_DOUBLE :
319 error = double64_init (psf) ;
320 break ;
321
322 case SF_FORMAT_DWVW_12 :
323 if (psf->sf.frames > comm_fmt.numSampleFrames)
324 psf->sf.frames = comm_fmt.numSampleFrames ;
325 break ;
326
327 case SF_FORMAT_DWVW_16 :
328 error = dwvw_init (psf, 16) ;
329 if (psf->sf.frames > comm_fmt.numSampleFrames)
330 psf->sf.frames = comm_fmt.numSampleFrames ;
331 break ;
332
333 case SF_FORMAT_DWVW_24 :
334 error = dwvw_init (psf, 24) ;
335 if (psf->sf.frames > comm_fmt.numSampleFrames)
336 psf->sf.frames = comm_fmt.numSampleFrames ;
337 break ;
338
339 case SF_FORMAT_DWVW_N :
340 if (psf->file.mode != SFM_READ)
341 { error = SFE_DWVW_BAD_BITWIDTH ;
342 break ;
343 } ;
344 if (comm_fmt.sampleSize >= 8 && comm_fmt.sampleSize < 24)
345 { error = dwvw_init (psf, comm_fmt.sampleSize) ;
346 if (psf->sf.frames > comm_fmt.numSampleFrames)
347 psf->sf.frames = comm_fmt.numSampleFrames ;
348 break ;
349 } ;
350 psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %d\n", comm_fmt.sampleSize) ;
351 error = SFE_DWVW_BAD_BITWIDTH ;
352 break ;
353
354 case SF_FORMAT_IMA_ADPCM :
355 /*
356 ** IMA ADPCM encoded AIFF files always have a block length
357 ** of 34 which decodes to 64 samples.
358 */
359 error = aiff_ima_init (psf, AIFC_IMA4_BLOCK_LEN, AIFC_IMA4_SAMPLES_PER_BLOCK) ;
360 break ;
361 /* Lite remove end */
362
363 case SF_FORMAT_GSM610 :
364 error = gsm610_init (psf) ;
365 if (psf->sf.frames > comm_fmt.numSampleFrames)
366 psf->sf.frames = comm_fmt.numSampleFrames ;
367 break ;
368
369 default : return SFE_UNIMPLEMENTED ;
370 } ;
371
372 if (psf->file.mode != SFM_WRITE && psf->sf.frames - comm_fmt.numSampleFrames != 0)
373 { psf_log_printf (psf,
374 "*** Frame count read from 'COMM' chunk (%u) not equal to frame count\n"
375 "*** calculated from length of 'SSND' chunk (%u).\n",
376 comm_fmt.numSampleFrames, (uint32_t) psf->sf.frames) ;
377 } ;
378
379 return error ;
380 } /* aiff_open */
381
382 /*==========================================================================================
383 ** Private functions.
384 */
385
386 /* This function ought to check size */
387 static uint32_t
marker_to_position(const MARK_ID_POS * m,uint16_t n,int marksize)388 marker_to_position (const MARK_ID_POS *m, uint16_t n, int marksize)
389 { int i ;
390
391 for (i = 0 ; i < marksize ; i++)
392 if (m [i].markerID == n)
393 return m [i].position ;
394 return 0 ;
395 } /* marker_to_position */
396
397 static int
aiff_read_header(SF_PRIVATE * psf,COMM_CHUNK * comm_fmt)398 aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt)
399 { SSND_CHUNK ssnd_fmt ;
400 AIFF_PRIVATE *paiff ;
401 BUF_UNION ubuf ;
402 uint32_t chunk_size = 0, FORMsize, SSNDsize, bytesread, mark_count = 0 ;
403 int k, found_chunk = 0, done = 0, error = 0 ;
404 char *cptr ;
405 int instr_found = 0, mark_found = 0 ;
406
407 if (psf->filelength > SF_PLATFORM_S64 (0xffffffff))
408 psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ;
409
410 if ((paiff = psf->container_data) == NULL)
411 return SFE_INTERNAL ;
412
413 paiff->comm_offset = 0 ;
414 paiff->ssnd_offset = 0 ;
415
416 /* Set position to start of file to begin reading header. */
417 psf_binheader_readf (psf, "p", 0) ;
418
419 memset (comm_fmt, 0, sizeof (COMM_CHUNK)) ;
420
421 /* Until recently AIF* file were all BIG endian. */
422 psf->endian = SF_ENDIAN_BIG ;
423
424 /* AIFF files can apparently have their chunks in any order. However, they
425 ** must have a FORM chunk. Approach here is to read all the chunks one by
426 ** one and then check for the mandatory chunks at the end.
427 */
428 while (! done)
429 { unsigned marker ;
430 size_t jump = chunk_size & 1 ;
431
432 marker = chunk_size = 0 ;
433 psf_binheader_readf (psf, "Ejm4", jump, &marker, &chunk_size) ;
434 if (marker == 0)
435 { sf_count_t pos = psf_ftell (psf) ;
436 psf_log_printf (psf, "Have 0 marker at position %D (0x%x).\n", pos, pos) ;
437 break ;
438 } ;
439
440 if (psf->file.mode == SFM_RDWR && (found_chunk & HAVE_SSND))
441 return SFE_AIFF_RW_SSND_NOT_LAST ;
442
443 psf_store_read_chunk_u32 (&psf->rchunks, marker, psf_ftell (psf), chunk_size) ;
444
445 switch (marker)
446 { case FORM_MARKER :
447 if (found_chunk)
448 return SFE_AIFF_NO_FORM ;
449
450 FORMsize = chunk_size ;
451
452 found_chunk |= HAVE_FORM ;
453 psf_binheader_readf (psf, "m", &marker) ;
454 switch (marker)
455 { case AIFC_MARKER :
456 case AIFF_MARKER :
457 found_chunk |= (marker == AIFC_MARKER) ? (HAVE_AIFC | HAVE_AIFF) : HAVE_AIFF ;
458 break ;
459 default :
460 break ;
461 } ;
462
463 if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8)
464 { /* Set file length. */
465 psf->filelength = FORMsize + 8 ;
466 psf_log_printf (psf, "FORM : %u\n %M\n", FORMsize, marker) ;
467 }
468 else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (chunk_size))
469 { chunk_size = psf->filelength - 2 * sizeof (chunk_size) ;
470 psf_log_printf (psf, "FORM : %u (should be %u)\n %M\n", FORMsize, chunk_size, marker) ;
471 FORMsize = chunk_size ;
472 }
473 else
474 psf_log_printf (psf, "FORM : %u\n %M\n", FORMsize, marker) ;
475 /* Set this to 0, so we don't jump a byte when parsing the next marker. */
476 chunk_size = 0 ;
477 break ;
478
479
480 case COMM_MARKER :
481 paiff->comm_offset = psf_ftell (psf) - 8 ;
482 chunk_size += chunk_size & 1 ;
483 comm_fmt->size = chunk_size ;
484 if ((error = aiff_read_comm_chunk (psf, comm_fmt)) != 0)
485 return error ;
486
487 found_chunk |= HAVE_COMM ;
488 break ;
489
490 case PEAK_MARKER :
491 /* Must have COMM chunk before PEAK chunk. */
492 if ((found_chunk & (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) != (HAVE_FORM | HAVE_AIFF | HAVE_COMM))
493 return SFE_AIFF_PEAK_B4_COMM ;
494
495 psf_log_printf (psf, "%M : %d\n", marker, chunk_size) ;
496 if (chunk_size != AIFF_PEAK_CHUNK_SIZE (psf->sf.channels))
497 { psf_binheader_readf (psf, "j", chunk_size) ;
498 psf_log_printf (psf, "*** File PEAK chunk too big.\n") ;
499 return SFE_WAV_BAD_PEAK ;
500 } ;
501
502 if (psf->peak_info)
503 { psf_log_printf (psf, "*** Found existing peak info, using last one.\n") ;
504 free (psf->peak_info) ;
505 psf->peak_info = NULL ;
506 } ;
507 if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
508 return SFE_MALLOC_FAILED ;
509
510 /* read in rest of PEAK chunk. */
511 psf_binheader_readf (psf, "E44", &(psf->peak_info->version), &(psf->peak_info->timestamp)) ;
512
513 if (psf->peak_info->version != 1)
514 psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->peak_info->version) ;
515 else
516 psf_log_printf (psf, " version : %d\n", psf->peak_info->version) ;
517
518 psf_log_printf (psf, " time stamp : %d\n", psf->peak_info->timestamp) ;
519 psf_log_printf (psf, " Ch Position Value\n") ;
520
521 cptr = ubuf.cbuf ;
522 for (k = 0 ; k < psf->sf.channels ; k++)
523 { float value ;
524 uint32_t position ;
525
526 psf_binheader_readf (psf, "Ef4", &value, &position) ;
527 psf->peak_info->peaks [k].value = value ;
528 psf->peak_info->peaks [k].position = position ;
529
530 snprintf (cptr, sizeof (ubuf.scbuf), " %2d %-12" PRId64 " %g\n",
531 k, psf->peak_info->peaks [k].position, psf->peak_info->peaks [k].value) ;
532 cptr [sizeof (ubuf.scbuf) - 1] = 0 ;
533 psf_log_printf (psf, "%s", cptr) ;
534 } ;
535
536 psf->peak_info->peak_loc = ((found_chunk & HAVE_SSND) == 0) ? SF_PEAK_START : SF_PEAK_END ;
537 break ;
538
539 case SSND_MARKER :
540 if ((found_chunk & HAVE_AIFC) && (found_chunk & HAVE_FVER) == 0)
541 psf_log_printf (psf, "*** Valid AIFC files should have an FVER chunk.\n") ;
542
543 paiff->ssnd_offset = psf_ftell (psf) - 8 ;
544 SSNDsize = chunk_size ;
545 psf_binheader_readf (psf, "E44", &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ;
546
547 psf->datalength = SSNDsize - sizeof (ssnd_fmt) ;
548 psf->dataoffset = psf_ftell (psf) ;
549
550 if (psf->datalength > psf->filelength - psf->dataoffset || psf->datalength < 0)
551 { psf_log_printf (psf, " SSND : %u (should be %D)\n", SSNDsize, psf->filelength - psf->dataoffset + sizeof (SSND_CHUNK)) ;
552 psf->datalength = psf->filelength - psf->dataoffset ;
553 }
554 else
555 psf_log_printf (psf, " SSND : %u\n", SSNDsize) ;
556
557 if (ssnd_fmt.offset == 0 || psf->dataoffset + ssnd_fmt.offset == ssnd_fmt.blocksize)
558 { psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ;
559 psf_log_printf (psf, " Block Size : %u\n", ssnd_fmt.blocksize) ;
560
561 psf->dataoffset += ssnd_fmt.offset ;
562 psf->datalength -= ssnd_fmt.offset ;
563 }
564 else
565 { psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ;
566 psf_log_printf (psf, " Block Size : %u ???\n", ssnd_fmt.blocksize) ;
567 psf->dataoffset += ssnd_fmt.offset ;
568 psf->datalength -= ssnd_fmt.offset ;
569 } ;
570
571 /* Only set dataend if there really is data at the end. */
572 if (psf->datalength + psf->dataoffset < psf->filelength)
573 psf->dataend = psf->datalength + psf->dataoffset ;
574
575 found_chunk |= HAVE_SSND ;
576
577 if (! psf->sf.seekable)
578 break ;
579
580 /* Seek to end of SSND chunk. */
581 psf_fseek (psf, psf->dataoffset + psf->datalength, SEEK_SET) ;
582 break ;
583
584 case c_MARKER :
585 if (chunk_size == 0)
586 break ;
587 if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf))
588 { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ;
589 return SFE_INTERNAL ;
590 } ;
591
592 cptr = ubuf.cbuf ;
593 psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ;
594 cptr [chunk_size] = 0 ;
595
596 psf_sanitize_string (cptr, chunk_size) ;
597
598 psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
599 psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ;
600 chunk_size += chunk_size & 1 ;
601 break ;
602
603 case AUTH_MARKER :
604 if (chunk_size == 0)
605 break ;
606 if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 1)
607 { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ;
608 return SFE_INTERNAL ;
609 } ;
610
611 cptr = ubuf.cbuf ;
612 psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ;
613 cptr [chunk_size] = 0 ;
614 psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
615 psf_store_string (psf, SF_STR_ARTIST, cptr) ;
616 chunk_size += chunk_size & 1 ;
617 break ;
618
619 case COMT_MARKER :
620 { uint16_t count, id, len ;
621 uint32_t timestamp, bytes ;
622
623 if (chunk_size == 0)
624 break ;
625 bytes = chunk_size ;
626 bytes -= psf_binheader_readf (psf, "E2", &count) ;
627 psf_log_printf (psf, " %M : %d\n count : %d\n", marker, chunk_size, count) ;
628
629 for (k = 0 ; k < count ; k++)
630 { bytes -= psf_binheader_readf (psf, "E422", ×tamp, &id, &len) ;
631 psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ;
632
633 if (len + 1 > SIGNED_SIZEOF (ubuf.scbuf))
634 { psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ;
635 return SFE_INTERNAL ;
636 } ;
637
638 cptr = ubuf.cbuf ;
639 bytes -= psf_binheader_readf (psf, "b", cptr, len) ;
640 cptr [len] = 0 ;
641 psf_log_printf (psf, " string : %s\n", cptr) ;
642 } ;
643
644 if (bytes > 0)
645 psf_binheader_readf (psf, "j", bytes) ;
646 } ;
647 break ;
648
649 case APPL_MARKER :
650 { unsigned appl_marker ;
651
652 if (chunk_size == 0)
653 break ;
654 if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 1)
655 { psf_log_printf (psf, " %M : %u (too big, skipping)\n", marker, chunk_size) ;
656 psf_binheader_readf (psf, "j", chunk_size + (chunk_size & 1)) ;
657 break ;
658 } ;
659
660 if (chunk_size < 4)
661 { psf_log_printf (psf, " %M : %d (too small, skipping)\n", marker, chunk_size) ;
662 psf_binheader_readf (psf, "j", chunk_size + (chunk_size & 1)) ;
663 break ;
664 } ;
665
666 cptr = ubuf.cbuf ;
667 psf_binheader_readf (psf, "mb", &appl_marker, cptr, chunk_size + (chunk_size & 1) - 4) ;
668 cptr [chunk_size] = 0 ;
669
670 for (k = 0 ; k < (int) chunk_size ; k++)
671 if (! psf_isprint (cptr [k]))
672 { cptr [k] = 0 ;
673 break ;
674 } ;
675
676 psf_log_printf (psf, " %M : %d\n AppSig : %M\n Name : %s\n", marker, chunk_size, appl_marker, cptr) ;
677 psf_store_string (psf, SF_STR_SOFTWARE, cptr) ;
678 chunk_size += chunk_size & 1 ;
679 } ;
680 break ;
681
682 case NAME_MARKER :
683 if (chunk_size == 0)
684 break ;
685 if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 2)
686 { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ;
687 return SFE_INTERNAL ;
688 } ;
689
690 cptr = ubuf.cbuf ;
691 psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ;
692 cptr [chunk_size] = 0 ;
693 psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
694 psf_store_string (psf, SF_STR_TITLE, cptr) ;
695 chunk_size += chunk_size & 1 ;
696 break ;
697
698 case ANNO_MARKER :
699 if (chunk_size == 0)
700 break ;
701 if (chunk_size >= SIGNED_SIZEOF (ubuf.scbuf) - 2)
702 { psf_log_printf (psf, " %M : %d (too big)\n", marker, chunk_size) ;
703 return SFE_INTERNAL ;
704 } ;
705
706 cptr = ubuf.cbuf ;
707 psf_binheader_readf (psf, "b", cptr, chunk_size + (chunk_size & 1)) ;
708 cptr [chunk_size] = 0 ;
709 psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
710 psf_store_string (psf, SF_STR_COMMENT, cptr) ;
711 chunk_size += chunk_size & 1 ;
712 break ;
713
714 case INST_MARKER :
715 if (chunk_size != SIZEOF_INST_CHUNK)
716 { psf_log_printf (psf, " %M : %d (should be %d)\n", marker, chunk_size, SIZEOF_INST_CHUNK) ;
717 psf_binheader_readf (psf, "j", chunk_size) ;
718 break ;
719 } ;
720 psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
721 { uint8_t bytes [6] ;
722 int16_t gain ;
723
724 if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL)
725 return SFE_MALLOC_FAILED ;
726
727 psf_binheader_readf (psf, "b", bytes, 6) ;
728 psf_log_printf (psf, " Base Note : %u\n Detune : %u\n"
729 " Low Note : %u\n High Note : %u\n"
730 " Low Vel. : %u\n High Vel. : %u\n",
731 bytes [0], bytes [1], bytes [2], bytes [3], bytes [4], bytes [5]) ;
732 psf->instrument->basenote = bytes [0] ;
733 psf->instrument->detune = bytes [1] ;
734 psf->instrument->key_lo = bytes [2] ;
735 psf->instrument->key_hi = bytes [3] ;
736 psf->instrument->velocity_lo = bytes [4] ;
737 psf->instrument->velocity_hi = bytes [5] ;
738 psf_binheader_readf (psf, "E2", &gain) ;
739 psf->instrument->gain = gain ;
740 psf_log_printf (psf, " Gain (dB) : %d\n", gain) ;
741 } ;
742 { int16_t mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */
743 const char *loop_mode ;
744 uint16_t begin, end ;
745
746 psf_binheader_readf (psf, "E222", &mode, &begin, &end) ;
747 loop_mode = get_loop_mode_str (mode) ;
748 mode = get_loop_mode (mode) ;
749 if (mode == SF_LOOP_NONE)
750 { psf->instrument->loop_count = 0 ;
751 psf->instrument->loops [0].mode = SF_LOOP_NONE ;
752 }
753 else
754 { psf->instrument->loop_count = 1 ;
755 psf->instrument->loops [0].mode = SF_LOOP_FORWARD ;
756 psf->instrument->loops [0].start = begin ;
757 psf->instrument->loops [0].end = end ;
758 psf->instrument->loops [0].count = 0 ;
759 } ;
760 psf_log_printf (psf, " Sustain\n mode : %d => %s\n begin : %u\n end : %u\n",
761 mode, loop_mode, begin, end) ;
762 psf_binheader_readf (psf, "E222", &mode, &begin, &end) ;
763 loop_mode = get_loop_mode_str (mode) ;
764 mode = get_loop_mode (mode) ;
765 if (mode == SF_LOOP_NONE)
766 psf->instrument->loops [1].mode = SF_LOOP_NONE ;
767 else
768 { psf->instrument->loop_count += 1 ;
769 psf->instrument->loops [1].mode = SF_LOOP_FORWARD ;
770 psf->instrument->loops [1].start = begin ;
771 psf->instrument->loops [1].end = end ;
772 psf->instrument->loops [1].count = 0 ;
773 } ;
774 psf_log_printf (psf, " Release\n mode : %d => %s\n begin : %u\n end : %u\n",
775 mode, loop_mode, begin, end) ;
776 } ;
777 instr_found++ ;
778 break ;
779
780 case basc_MARKER :
781 psf_log_printf (psf, " basc : %u\n", chunk_size) ;
782
783 if ((error = aiff_read_basc_chunk (psf, chunk_size)))
784 return error ;
785 break ;
786
787 case MARK_MARKER :
788 psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
789 { uint16_t mark_id, n = 0 ;
790 uint32_t position ;
791
792 bytesread = psf_binheader_readf (psf, "E2", &n) ;
793 mark_count = n ;
794 psf_log_printf (psf, " Count : %u\n", mark_count) ;
795 if (paiff->markstr != NULL)
796 { psf_log_printf (psf, "*** Second MARK chunk found. Throwing away the first.\n") ;
797 free (paiff->markstr) ;
798 } ;
799 paiff->markstr = calloc (mark_count, sizeof (MARK_ID_POS)) ;
800 if (paiff->markstr == NULL)
801 return SFE_MALLOC_FAILED ;
802
803 if (mark_count > 2500) /* 2500 is close to the largest number of cues possible because of block sizes */
804 { psf_log_printf (psf, " More than 2500 markers, skipping!\n") ;
805 psf_binheader_readf (psf, "j", chunk_size - bytesread) ;
806 break ;
807 } ;
808
809 if (psf->cues)
810 { free (psf->cues) ;
811 psf->cues = NULL ;
812 } ;
813 if ((psf->cues = psf_cues_alloc (mark_count)) == NULL)
814 return SFE_MALLOC_FAILED ;
815
816 for (n = 0 ; n < mark_count && bytesread < chunk_size ; n++)
817 { uint32_t pstr_len ;
818 uint8_t ch ;
819
820 bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &ch) ;
821 psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ;
822
823 psf->cues->cue_points [n].indx = mark_id ;
824 psf->cues->cue_points [n].position = 0 ;
825 psf->cues->cue_points [n].fcc_chunk = MAKE_MARKER ('d', 'a', 't', 'a') ; /* always data */
826 psf->cues->cue_points [n].chunk_start = 0 ;
827 psf->cues->cue_points [n].block_start = 0 ;
828 psf->cues->cue_points [n].sample_offset = position ;
829
830 pstr_len = (ch & 1) ? ch : ch + 1 ;
831
832 if (pstr_len < sizeof (ubuf.scbuf) - 1)
833 { bytesread += psf_binheader_readf (psf, "b", ubuf.scbuf, pstr_len) ;
834 ubuf.scbuf [pstr_len] = 0 ;
835 }
836 else
837 { uint32_t read_len = pstr_len - (sizeof (ubuf.scbuf) - 1) ;
838 bytesread += psf_binheader_readf (psf, "bj", ubuf.scbuf, read_len, pstr_len - read_len) ;
839 ubuf.scbuf [sizeof (ubuf.scbuf) - 1] = 0 ;
840 }
841
842 psf_log_printf (psf, " Name : %s\n", ubuf.scbuf) ;
843
844 psf_strlcpy (psf->cues->cue_points [n].name, sizeof (psf->cues->cue_points [n].name), ubuf.cbuf) ;
845
846 paiff->markstr [n].markerID = mark_id ;
847 paiff->markstr [n].position = position ;
848 /*
849 ** TODO if ubuf.scbuf is equal to
850 ** either Beg_loop, Beg loop or beg loop and spam
851 ** if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL)
852 ** return SFE_MALLOC_FAILED ;
853 */
854 } ;
855 } ;
856 mark_found++ ;
857 psf_binheader_readf (psf, "j", chunk_size - bytesread) ;
858 break ;
859
860 case FVER_MARKER :
861 found_chunk |= HAVE_FVER ;
862 /* Falls through. */
863
864 case SFX_MARKER :
865 psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
866 psf_binheader_readf (psf, "j", chunk_size) ;
867 break ;
868
869 case NONE_MARKER :
870 /* Fix for broken AIFC files with incorrect COMM chunk length. */
871 chunk_size = (chunk_size >> 24) - 3 ;
872 psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
873 psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ;
874 break ;
875
876 case CHAN_MARKER :
877 if (chunk_size < 12)
878 { psf_log_printf (psf, " %M : %d (should be >= 12)\n", marker, chunk_size) ;
879 psf_binheader_readf (psf, "j", chunk_size) ;
880 break ;
881 }
882
883 psf_log_printf (psf, " %M : %d\n", marker, chunk_size) ;
884
885 if ((error = aiff_read_chanmap (psf, chunk_size)))
886 return error ;
887 break ;
888
889 default :
890 if (chunk_size >= 0xffff0000)
891 { done = SF_TRUE ;
892 psf_log_printf (psf, "*** Unknown chunk marker (%X) at position %D with length %u. Exiting parser.\n", marker, psf_ftell (psf) - 8, chunk_size) ;
893 break ;
894 } ;
895
896 if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF)
897 && psf_isprint ((marker >> 8) & 0xFF) && psf_isprint (marker & 0xFF))
898 { psf_log_printf (psf, " %M : %u (unknown marker)\n", marker, chunk_size) ;
899
900 psf_binheader_readf (psf, "j", chunk_size) ;
901 break ;
902 } ;
903
904 if (psf_ftell (psf) & 0x03)
905 { psf_log_printf (psf, " Unknown chunk marker at position %D. Resynching.\n", psf_ftell (psf) - 8) ;
906 psf_binheader_readf (psf, "j", -3) ;
907 break ;
908 } ;
909 psf_log_printf (psf, "*** Unknown chunk marker %X at position %D. Exiting parser.\n", marker, psf_ftell (psf)) ;
910 done = SF_TRUE ;
911 break ;
912 } ; /* switch (marker) */
913
914 if (chunk_size >= psf->filelength)
915 { psf_log_printf (psf, "*** Chunk size %u > file length %D. Exiting parser.\n", chunk_size, psf->filelength) ;
916 break ;
917 } ;
918
919 if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND))
920 break ;
921
922 if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (int32_t)))
923 break ;
924 } ; /* while (1) */
925
926 if (instr_found && mark_found)
927 { int ji, str_index ;
928 /* Next loop will convert markers to loop positions for internal handling */
929 for (ji = 0 ; ji < psf->instrument->loop_count ; ji ++)
930 { if (ji < ARRAY_LEN (psf->instrument->loops))
931 { psf->instrument->loops [ji].start = marker_to_position (paiff->markstr, psf->instrument->loops [ji].start, mark_count) ;
932 psf->instrument->loops [ji].end = marker_to_position (paiff->markstr, psf->instrument->loops [ji].end, mark_count) ;
933 psf->instrument->loops [ji].mode = SF_LOOP_FORWARD ;
934 } ;
935 } ;
936
937 /* The markers that correspond to loop positions can now be removed from cues struct */
938 if (psf->cues->cue_count > (uint32_t) (psf->instrument->loop_count * 2))
939 { uint32_t j ;
940
941 for (j = 0 ; j < psf->cues->cue_count - (uint32_t) (psf->instrument->loop_count * 2) ; j ++)
942 { /* This simply copies the information in cues above loop positions and writes it at current count instead */
943 psf->cues->cue_points [j].indx = psf->cues->cue_points [j + psf->instrument->loop_count * 2].indx ;
944 psf->cues->cue_points [j].position = psf->cues->cue_points [j + psf->instrument->loop_count * 2].position ;
945 psf->cues->cue_points [j].fcc_chunk = psf->cues->cue_points [j + psf->instrument->loop_count * 2].fcc_chunk ;
946 psf->cues->cue_points [j].chunk_start = psf->cues->cue_points [j + psf->instrument->loop_count * 2].chunk_start ;
947 psf->cues->cue_points [j].block_start = psf->cues->cue_points [j + psf->instrument->loop_count * 2].block_start ;
948 psf->cues->cue_points [j].sample_offset = psf->cues->cue_points [j + psf->instrument->loop_count * 2].sample_offset ;
949 for (str_index = 0 ; str_index < 256 ; str_index++)
950 psf->cues->cue_points [j].name [str_index] = psf->cues->cue_points [j + psf->instrument->loop_count * 2].name [str_index] ;
951 } ;
952 psf->cues->cue_count -= psf->instrument->loop_count * 2 ;
953 } else
954 { /* All the cues were in fact loop positions so we can actually remove the cues altogether */
955 free (psf->cues) ;
956 psf->cues = NULL ;
957 }
958 } ;
959
960 if (psf->sf.channels < 1)
961 return SFE_CHANNEL_COUNT_ZERO ;
962
963 if (psf->sf.channels > SF_MAX_CHANNELS)
964 return SFE_CHANNEL_COUNT ;
965
966 if (! (found_chunk & HAVE_FORM))
967 return SFE_AIFF_NO_FORM ;
968
969 if (! (found_chunk & HAVE_AIFF))
970 return SFE_AIFF_COMM_NO_FORM ;
971
972 if (! (found_chunk & HAVE_COMM))
973 return SFE_AIFF_SSND_NO_COMM ;
974
975 if (! psf->dataoffset)
976 return SFE_AIFF_NO_DATA ;
977
978 return 0 ;
979 } /* aiff_read_header */
980
981 static int
aiff_close(SF_PRIVATE * psf)982 aiff_close (SF_PRIVATE *psf)
983 { AIFF_PRIVATE *paiff = psf->container_data ;
984
985 if (paiff != NULL && paiff->markstr != NULL)
986 { free (paiff->markstr) ;
987 paiff->markstr = NULL ;
988 } ;
989
990 if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
991 { aiff_write_tailer (psf) ;
992 aiff_write_header (psf, SF_TRUE) ;
993 } ;
994
995 return 0 ;
996 } /* aiff_close */
997
998 static int
aiff_read_comm_chunk(SF_PRIVATE * psf,COMM_CHUNK * comm_fmt)999 aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt)
1000 { BUF_UNION ubuf ;
1001 int subformat, samplerate ;
1002
1003 ubuf.scbuf [0] = 0 ;
1004
1005 /* The COMM chunk has an int aligned to an odd word boundary. Some
1006 ** procesors are not able to deal with this (ie bus fault) so we have
1007 ** to take special care.
1008 */
1009
1010 psf_binheader_readf (psf, "E242b", &(comm_fmt->numChannels), &(comm_fmt->numSampleFrames),
1011 &(comm_fmt->sampleSize), &(comm_fmt->sampleRate), SIGNED_SIZEOF (comm_fmt->sampleRate)) ;
1012
1013 if (comm_fmt->size > 0x10000 && (comm_fmt->size & 0xffff) == 0)
1014 { psf_log_printf (psf, " COMM : %d (0x%x) *** should be ", comm_fmt->size, comm_fmt->size) ;
1015 comm_fmt->size = ENDSWAP_32 (comm_fmt->size) ;
1016 psf_log_printf (psf, "%d (0x%x)\n", comm_fmt->size, comm_fmt->size) ;
1017 }
1018 else
1019 psf_log_printf (psf, " COMM : %d\n", comm_fmt->size) ;
1020
1021 if (comm_fmt->size == SIZEOF_AIFF_COMM)
1022 comm_fmt->encoding = NONE_MARKER ;
1023 else if (comm_fmt->size == SIZEOF_AIFC_COMM_MIN)
1024 psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ;
1025 else if (comm_fmt->size >= SIZEOF_AIFC_COMM)
1026 { uint8_t encoding_len ;
1027 unsigned read_len ;
1028
1029 psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ;
1030
1031 comm_fmt->size = SF_MIN (sizeof (ubuf.scbuf), make_size_t (comm_fmt->size)) ;
1032 memset (ubuf.scbuf, 0, comm_fmt->size) ;
1033 read_len = comm_fmt->size - SIZEOF_AIFC_COMM + 1 ;
1034 psf_binheader_readf (psf, "b", ubuf.scbuf, read_len) ;
1035 ubuf.scbuf [read_len + 1] = 0 ;
1036 } ;
1037
1038 samplerate = tenbytefloat2int (comm_fmt->sampleRate) ;
1039
1040 psf_log_printf (psf, " Sample Rate : %d\n", samplerate) ;
1041 psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 104) ? " (Should not be 0)" : "") ;
1042
1043 if (comm_fmt->numChannels < 1 || comm_fmt->numChannels > SF_MAX_CHANNELS)
1044 { psf_log_printf (psf, " Channels : %d (should be >= 1 and < %d)\n", comm_fmt->numChannels, SF_MAX_CHANNELS) ;
1045 return SFE_CHANNEL_COUNT_BAD ;
1046 } ;
1047
1048 psf_log_printf (psf, " Channels : %d\n", comm_fmt->numChannels) ;
1049
1050 /* Found some broken 'fl32' files with comm.samplesize == 16. Fix it here. */
1051 if ((comm_fmt->encoding == fl32_MARKER || comm_fmt->encoding == FL32_MARKER) && comm_fmt->sampleSize != 32)
1052 { psf_log_printf (psf, " Sample Size : %d (should be 32)\n", comm_fmt->sampleSize) ;
1053 comm_fmt->sampleSize = 32 ;
1054 }
1055 else if ((comm_fmt->encoding == fl64_MARKER || comm_fmt->encoding == FL64_MARKER) && comm_fmt->sampleSize != 64)
1056 { psf_log_printf (psf, " Sample Size : %d (should be 64)\n", comm_fmt->sampleSize) ;
1057 comm_fmt->sampleSize = 64 ;
1058 }
1059 else
1060 psf_log_printf (psf, " Sample Size : %d\n", comm_fmt->sampleSize) ;
1061
1062 subformat = s_bitwidth_to_subformat (comm_fmt->sampleSize) ;
1063
1064 psf->sf.samplerate = samplerate ;
1065 psf->sf.frames = comm_fmt->numSampleFrames ;
1066 psf->sf.channels = comm_fmt->numChannels ;
1067 psf->bytewidth = BITWIDTH2BYTES (comm_fmt->sampleSize) ;
1068
1069 psf->endian = SF_ENDIAN_BIG ;
1070
1071 switch (comm_fmt->encoding)
1072 { case NONE_MARKER :
1073 psf->sf.format = (SF_FORMAT_AIFF | subformat) ;
1074 break ;
1075
1076 case twos_MARKER :
1077 case in24_MARKER :
1078 case in32_MARKER :
1079 psf->sf.format = (SF_ENDIAN_BIG | SF_FORMAT_AIFF | subformat) ;
1080 break ;
1081
1082 case sowt_MARKER :
1083 case ni24_MARKER :
1084 case ni32_MARKER :
1085 psf->endian = SF_ENDIAN_LITTLE ;
1086 psf->sf.format = (SF_ENDIAN_LITTLE | SF_FORMAT_AIFF | subformat) ;
1087 break ;
1088
1089 case fl32_MARKER :
1090 case FL32_MARKER :
1091 psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ;
1092 break ;
1093
1094 case ulaw_MARKER :
1095 case ULAW_MARKER :
1096 psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ULAW) ;
1097 break ;
1098
1099 case alaw_MARKER :
1100 case ALAW_MARKER :
1101 psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ALAW) ;
1102 break ;
1103
1104 case fl64_MARKER :
1105 case FL64_MARKER :
1106 psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_DOUBLE) ;
1107 break ;
1108
1109 case raw_MARKER :
1110 psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_PCM_U8) ;
1111 break ;
1112
1113 case DWVW_MARKER :
1114 psf->sf.format = SF_FORMAT_AIFF ;
1115 switch (comm_fmt->sampleSize)
1116 { case 12 :
1117 psf->sf.format |= SF_FORMAT_DWVW_12 ;
1118 break ;
1119 case 16 :
1120 psf->sf.format |= SF_FORMAT_DWVW_16 ;
1121 break ;
1122 case 24 :
1123 psf->sf.format |= SF_FORMAT_DWVW_24 ;
1124 break ;
1125
1126 default :
1127 psf->sf.format |= SF_FORMAT_DWVW_N ;
1128 break ;
1129 } ;
1130 break ;
1131
1132 case GSM_MARKER :
1133 psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_GSM610) ;
1134 break ;
1135
1136
1137 case ima4_MARKER :
1138 psf->endian = SF_ENDIAN_BIG ;
1139 psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM) ;
1140 break ;
1141
1142 default :
1143 psf_log_printf (psf, "AIFC : Unimplemented format : %M\n", comm_fmt->encoding) ;
1144 return SFE_UNIMPLEMENTED ;
1145 } ;
1146
1147 if (! ubuf.scbuf [0])
1148 psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ;
1149 else
1150 psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, ubuf.scbuf) ;
1151
1152 return 0 ;
1153 } /* aiff_read_comm_chunk */
1154
1155
1156 /*==========================================================================================
1157 */
1158
1159 static void
aiff_rewrite_header(SF_PRIVATE * psf)1160 aiff_rewrite_header (SF_PRIVATE *psf)
1161 {
1162 /* Assuming here that the header has already been written and just
1163 ** needs to be corrected for new data length. That means that we
1164 ** only change the length fields of the FORM and SSND chunks ;
1165 ** everything else can be skipped over.
1166 */
1167 int k, ch, comm_size, comm_frames ;
1168
1169 psf_fseek (psf, 0, SEEK_SET) ;
1170 psf_fread (psf->header.ptr, psf->dataoffset, 1, psf) ;
1171
1172 psf->header.indx = 0 ;
1173
1174 /* FORM chunk. */
1175 psf_binheader_writef (psf, "Etm8", BHWm (FORM_MARKER), BHW8 (psf->filelength - 8)) ;
1176
1177 /* COMM chunk. */
1178 if ((k = psf_find_read_chunk_m32 (&psf->rchunks, COMM_MARKER)) >= 0)
1179 { psf->header.indx = psf->rchunks.chunks [k].offset - 8 ;
1180 comm_frames = psf->sf.frames ;
1181 comm_size = psf->rchunks.chunks [k].len ;
1182 psf_binheader_writef (psf, "Em42t4", BHWm (COMM_MARKER), BHW4 (comm_size), BHW2 (psf->sf.channels), BHW4 (comm_frames)) ;
1183 } ;
1184
1185 /* PEAK chunk. */
1186 if ((k = psf_find_read_chunk_m32 (&psf->rchunks, PEAK_MARKER)) >= 0)
1187 { psf->header.indx = psf->rchunks.chunks [k].offset - 8 ;
1188 psf_binheader_writef (psf, "Em4", BHWm (PEAK_MARKER), BHW4 (AIFF_PEAK_CHUNK_SIZE (psf->sf.channels))) ;
1189 psf_binheader_writef (psf, "E44", BHW4 (1), BHW4 (time (NULL))) ;
1190 for (ch = 0 ; ch < psf->sf.channels ; ch++)
1191 psf_binheader_writef (psf, "Eft8", BHWf ((float) psf->peak_info->peaks [ch].value), BHW8 (psf->peak_info->peaks [ch].position)) ;
1192 } ;
1193
1194
1195 /* SSND chunk. */
1196 if ((k = psf_find_read_chunk_m32 (&psf->rchunks, SSND_MARKER)) >= 0)
1197 { psf->header.indx = psf->rchunks.chunks [k].offset - 8 ;
1198 psf_binheader_writef (psf, "Etm8", BHWm (SSND_MARKER), BHW8 (psf->datalength + SIZEOF_SSND_CHUNK)) ;
1199 } ;
1200
1201 /* Header mangling complete so write it out. */
1202 psf_fseek (psf, 0, SEEK_SET) ;
1203 psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
1204
1205 return ;
1206 } /* aiff_rewrite_header */
1207
1208 static int
aiff_write_header(SF_PRIVATE * psf,int calc_length)1209 aiff_write_header (SF_PRIVATE *psf, int calc_length)
1210 { sf_count_t current ;
1211 AIFF_PRIVATE *paiff ;
1212 uint8_t comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ;
1213 uint32_t comm_type, comm_size, comm_encoding, comm_frames = 0, uk ;
1214 int k, endian, has_data = SF_FALSE ;
1215 int16_t bit_width ;
1216
1217 if ((paiff = psf->container_data) == NULL)
1218 return SFE_INTERNAL ;
1219
1220 current = psf_ftell (psf) ;
1221
1222 if (current > psf->dataoffset)
1223 has_data = SF_TRUE ;
1224
1225 if (calc_length)
1226 { psf->filelength = psf_get_filelen (psf) ;
1227
1228 psf->datalength = psf->filelength - psf->dataoffset ;
1229 if (psf->dataend)
1230 psf->datalength -= psf->filelength - psf->dataend ;
1231
1232 if (psf->bytewidth > 0)
1233 psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
1234 } ;
1235
1236 if (psf->file.mode == SFM_RDWR && psf->dataoffset > 0 && psf->rchunks.count > 0)
1237 { aiff_rewrite_header (psf) ;
1238 if (current > 0)
1239 psf_fseek (psf, current, SEEK_SET) ;
1240 return 0 ;
1241 } ;
1242
1243 endian = SF_ENDIAN (psf->sf.format) ;
1244 if (CPU_IS_LITTLE_ENDIAN && endian == SF_ENDIAN_CPU)
1245 endian = SF_ENDIAN_LITTLE ;
1246
1247 /* Standard value here. */
1248 bit_width = psf->bytewidth * 8 ;
1249 comm_frames = (psf->sf.frames > 0xFFFFFFFF) ? 0xFFFFFFFF : psf->sf.frames ;
1250
1251 switch (SF_CODEC (psf->sf.format) | endian)
1252 { case SF_FORMAT_PCM_S8 | SF_ENDIAN_BIG :
1253 psf->endian = SF_ENDIAN_BIG ;
1254 comm_type = AIFC_MARKER ;
1255 comm_size = SIZEOF_AIFC_COMM ;
1256 comm_encoding = twos_MARKER ;
1257 break ;
1258
1259 case SF_FORMAT_PCM_S8 | SF_ENDIAN_LITTLE :
1260 psf->endian = SF_ENDIAN_LITTLE ;
1261 comm_type = AIFC_MARKER ;
1262 comm_size = SIZEOF_AIFC_COMM ;
1263 comm_encoding = sowt_MARKER ;
1264 break ;
1265
1266 case SF_FORMAT_PCM_16 | SF_ENDIAN_BIG :
1267 psf->endian = SF_ENDIAN_BIG ;
1268 comm_type = AIFC_MARKER ;
1269 comm_size = SIZEOF_AIFC_COMM ;
1270 comm_encoding = twos_MARKER ;
1271 break ;
1272
1273 case SF_FORMAT_PCM_16 | SF_ENDIAN_LITTLE :
1274 psf->endian = SF_ENDIAN_LITTLE ;
1275 comm_type = AIFC_MARKER ;
1276 comm_size = SIZEOF_AIFC_COMM ;
1277 comm_encoding = sowt_MARKER ;
1278 break ;
1279
1280 case SF_FORMAT_PCM_24 | SF_ENDIAN_BIG :
1281 psf->endian = SF_ENDIAN_BIG ;
1282 comm_type = AIFC_MARKER ;
1283 comm_size = SIZEOF_AIFC_COMM ;
1284 comm_encoding = in24_MARKER ;
1285 break ;
1286
1287 case SF_FORMAT_PCM_24 | SF_ENDIAN_LITTLE :
1288 psf->endian = SF_ENDIAN_LITTLE ;
1289 comm_type = AIFC_MARKER ;
1290 comm_size = SIZEOF_AIFC_COMM ;
1291 comm_encoding = ni24_MARKER ;
1292 break ;
1293
1294 case SF_FORMAT_PCM_32 | SF_ENDIAN_BIG :
1295 psf->endian = SF_ENDIAN_BIG ;
1296 comm_type = AIFC_MARKER ;
1297 comm_size = SIZEOF_AIFC_COMM ;
1298 comm_encoding = in32_MARKER ;
1299 break ;
1300
1301 case SF_FORMAT_PCM_32 | SF_ENDIAN_LITTLE :
1302 psf->endian = SF_ENDIAN_LITTLE ;
1303 comm_type = AIFC_MARKER ;
1304 comm_size = SIZEOF_AIFC_COMM ;
1305 comm_encoding = ni32_MARKER ;
1306 break ;
1307
1308 case SF_FORMAT_PCM_S8 : /* SF_ENDIAN_FILE */
1309 case SF_FORMAT_PCM_16 :
1310 case SF_FORMAT_PCM_24 :
1311 case SF_FORMAT_PCM_32 :
1312 psf->endian = SF_ENDIAN_BIG ;
1313 comm_type = AIFF_MARKER ;
1314 comm_size = SIZEOF_AIFF_COMM ;
1315 comm_encoding = 0 ;
1316 break ;
1317
1318 case SF_FORMAT_FLOAT : /* Big endian floating point. */
1319 psf->endian = SF_ENDIAN_BIG ;
1320 comm_type = AIFC_MARKER ;
1321 comm_size = SIZEOF_AIFC_COMM ;
1322 comm_encoding = FL32_MARKER ; /* Use 'FL32' because its easier to read. */
1323 break ;
1324
1325 case SF_FORMAT_DOUBLE : /* Big endian double precision floating point. */
1326 psf->endian = SF_ENDIAN_BIG ;
1327 comm_type = AIFC_MARKER ;
1328 comm_size = SIZEOF_AIFC_COMM ;
1329 comm_encoding = FL64_MARKER ; /* Use 'FL64' because its easier to read. */
1330 break ;
1331
1332 case SF_FORMAT_ULAW :
1333 psf->endian = SF_ENDIAN_BIG ;
1334 comm_type = AIFC_MARKER ;
1335 comm_size = SIZEOF_AIFC_COMM ;
1336 comm_encoding = ulaw_MARKER ;
1337 break ;
1338
1339 case SF_FORMAT_ALAW :
1340 psf->endian = SF_ENDIAN_BIG ;
1341 comm_type = AIFC_MARKER ;
1342 comm_size = SIZEOF_AIFC_COMM ;
1343 comm_encoding = alaw_MARKER ;
1344 break ;
1345
1346 case SF_FORMAT_PCM_U8 :
1347 psf->endian = SF_ENDIAN_BIG ;
1348 comm_type = AIFC_MARKER ;
1349 comm_size = SIZEOF_AIFC_COMM ;
1350 comm_encoding = raw_MARKER ;
1351 break ;
1352
1353 case SF_FORMAT_DWVW_12 :
1354 psf->endian = SF_ENDIAN_BIG ;
1355 comm_type = AIFC_MARKER ;
1356 comm_size = SIZEOF_AIFC_COMM ;
1357 comm_encoding = DWVW_MARKER ;
1358
1359 /* Override standard value here.*/
1360 bit_width = 12 ;
1361 break ;
1362
1363 case SF_FORMAT_DWVW_16 :
1364 psf->endian = SF_ENDIAN_BIG ;
1365 comm_type = AIFC_MARKER ;
1366 comm_size = SIZEOF_AIFC_COMM ;
1367 comm_encoding = DWVW_MARKER ;
1368
1369 /* Override standard value here.*/
1370 bit_width = 16 ;
1371 break ;
1372
1373 case SF_FORMAT_DWVW_24 :
1374 psf->endian = SF_ENDIAN_BIG ;
1375 comm_type = AIFC_MARKER ;
1376 comm_size = SIZEOF_AIFC_COMM ;
1377 comm_encoding = DWVW_MARKER ;
1378
1379 /* Override standard value here.*/
1380 bit_width = 24 ;
1381 break ;
1382
1383 case SF_FORMAT_GSM610 :
1384 psf->endian = SF_ENDIAN_BIG ;
1385 comm_type = AIFC_MARKER ;
1386 comm_size = SIZEOF_AIFC_COMM ;
1387 comm_encoding = GSM_MARKER ;
1388
1389 /* Override standard value here.*/
1390 bit_width = 16 ;
1391 break ;
1392
1393 case SF_FORMAT_IMA_ADPCM :
1394 psf->endian = SF_ENDIAN_BIG ;
1395 comm_type = AIFC_MARKER ;
1396 comm_size = SIZEOF_AIFC_COMM ;
1397 comm_encoding = ima4_MARKER ;
1398
1399 /* Override standard value here.*/
1400 bit_width = 16 ;
1401 comm_frames = psf->sf.frames / AIFC_IMA4_SAMPLES_PER_BLOCK ;
1402 break ;
1403
1404 default : return SFE_BAD_OPEN_FORMAT ;
1405 } ;
1406
1407 /* Reset the current header length to zero. */
1408 psf->header.ptr [0] = 0 ;
1409 psf->header.indx = 0 ;
1410 psf_fseek (psf, 0, SEEK_SET) ;
1411
1412 psf_binheader_writef (psf, "Etm8", BHWm (FORM_MARKER), BHW8 (psf->filelength - 8)) ;
1413
1414 /* Write AIFF/AIFC marker and COM chunk. */
1415 if (comm_type == AIFC_MARKER)
1416 /* AIFC must have an FVER chunk. */
1417 psf_binheader_writef (psf, "Emm44", BHWm (comm_type), BHWm (FVER_MARKER), BHW4 (4), BHW4 (0xA2805140)) ;
1418 else
1419 psf_binheader_writef (psf, "Em", BHWm (comm_type)) ;
1420
1421 paiff->comm_offset = psf->header.indx - 8 ;
1422
1423 memset (comm_sample_rate, 0, sizeof (comm_sample_rate)) ;
1424 uint2tenbytefloat (psf->sf.samplerate, comm_sample_rate) ;
1425
1426 psf_binheader_writef (psf, "Em42t42", BHWm (COMM_MARKER), BHW4 (comm_size), BHW2 (psf->sf.channels), BHW4 (comm_frames), BHW2 (bit_width)) ;
1427 psf_binheader_writef (psf, "b", BHWv (comm_sample_rate), BHWz (sizeof (comm_sample_rate))) ;
1428
1429 /* AIFC chunks have some extra data. */
1430 if (comm_type == AIFC_MARKER)
1431 psf_binheader_writef (psf, "mb", BHWm (comm_encoding), BHWv (comm_zero_bytes), BHWz (sizeof (comm_zero_bytes))) ;
1432
1433 if (psf->channel_map && paiff->chanmap_tag)
1434 psf_binheader_writef (psf, "Em4444", BHWm (CHAN_MARKER), BHW4 (12), BHW4 (paiff->chanmap_tag), BHW4 (0), BHW4 (0)) ;
1435
1436 /* Check if there's a INST chunk to write */
1437 if (psf->instrument != NULL && psf->cues != NULL)
1438 { /* Huge chunk of code removed here because it had egregious errors that were
1439 ** not detected by either the compiler or the tests. It was found when updating
1440 ** the way psf_binheader_writef works.
1441 */
1442 }
1443 else if (psf->instrument == NULL && psf->cues != NULL)
1444 { /* There are cues but no loops */
1445 uint32_t idx ;
1446 int totalStringLength = 0, stringLength ;
1447
1448 /* Here we count how many bytes will the pascal strings need */
1449 for (idx = 0 ; idx < psf->cues->cue_count ; idx++)
1450 { stringLength = strlen (psf->cues->cue_points [idx].name) + 1 ; /* We'll count the first byte also of every pascal string */
1451 totalStringLength += stringLength + (stringLength % 2 == 0 ? 0 : 1) ;
1452 } ;
1453
1454 psf_binheader_writef (psf, "Em42",
1455 BHWm (MARK_MARKER), BHW4 (2 + psf->cues->cue_count * (2 + 4) + totalStringLength), BHW2 (psf->cues->cue_count)) ;
1456
1457 for (idx = 0 ; idx < psf->cues->cue_count ; idx++)
1458 psf_binheader_writef (psf, "E24p", BHW2 (psf->cues->cue_points [idx].indx), BHW4 (psf->cues->cue_points [idx].sample_offset), BHWp (psf->cues->cue_points [idx].name)) ;
1459 } ;
1460
1461 if (psf->strings.flags & SF_STR_LOCATE_START)
1462 aiff_write_strings (psf, SF_STR_LOCATE_START) ;
1463
1464 if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START)
1465 { psf_binheader_writef (psf, "Em4", BHWm (PEAK_MARKER), BHW4 (AIFF_PEAK_CHUNK_SIZE (psf->sf.channels))) ;
1466 psf_binheader_writef (psf, "E44", BHW4 (1), BHW4 (time (NULL))) ;
1467 for (k = 0 ; k < psf->sf.channels ; k++)
1468 psf_binheader_writef (psf, "Eft8", BHWf ((float) psf->peak_info->peaks [k].value), BHW8 (psf->peak_info->peaks [k].position)) ;
1469 } ;
1470
1471 /* Write custom headers. */
1472 for (uk = 0 ; uk < psf->wchunks.used ; uk++)
1473 psf_binheader_writef (psf, "Em4b", BHWm (psf->wchunks.chunks [uk].mark32), BHW4 (psf->wchunks.chunks [uk].len), BHWv (psf->wchunks.chunks [uk].data), BHWz (psf->wchunks.chunks [uk].len)) ;
1474
1475 /* Write SSND chunk. */
1476 paiff->ssnd_offset = psf->header.indx ;
1477 psf_binheader_writef (psf, "Etm844", BHWm (SSND_MARKER), BHW8 (psf->datalength + SIZEOF_SSND_CHUNK), BHW4 (0), BHW4 (0)) ;
1478
1479 /* Header construction complete so write it out. */
1480 psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
1481
1482 if (psf->error)
1483 return psf->error ;
1484
1485 if (has_data && psf->dataoffset != psf->header.indx)
1486 return psf->error = SFE_INTERNAL ;
1487
1488 psf->dataoffset = psf->header.indx ;
1489
1490 if (! has_data)
1491 psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
1492 else if (current > 0)
1493 psf_fseek (psf, current, SEEK_SET) ;
1494
1495 return psf->error ;
1496 } /* aiff_write_header */
1497
1498 static int
aiff_write_tailer(SF_PRIVATE * psf)1499 aiff_write_tailer (SF_PRIVATE *psf)
1500 { int k ;
1501
1502 /* Reset the current header length to zero. */
1503 psf->header.ptr [0] = 0 ;
1504 psf->header.indx = 0 ;
1505
1506 psf->dataend = psf_fseek (psf, 0, SEEK_END) ;
1507
1508 /* Make sure tailer data starts at even byte offset. Pad if necessary. */
1509 if (psf->dataend % 2 == 1)
1510 { psf_fwrite (psf->header.ptr, 1, 1, psf) ;
1511 psf->dataend ++ ;
1512 } ;
1513
1514 if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END)
1515 { psf_binheader_writef (psf, "Em4", BHWm (PEAK_MARKER), BHW4 (AIFF_PEAK_CHUNK_SIZE (psf->sf.channels))) ;
1516 psf_binheader_writef (psf, "E44", BHW4 (1), BHW4 (time (NULL))) ;
1517 for (k = 0 ; k < psf->sf.channels ; k++)
1518 psf_binheader_writef (psf, "Eft8", BHWf ((float) psf->peak_info->peaks [k].value), BHW8 (psf->peak_info->peaks [k].position)) ;
1519 } ;
1520
1521 if (psf->strings.flags & SF_STR_LOCATE_END)
1522 aiff_write_strings (psf, SF_STR_LOCATE_END) ;
1523
1524 /* Write the tailer. */
1525 if (psf->header.indx > 0)
1526 psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
1527
1528 return 0 ;
1529 } /* aiff_write_tailer */
1530
1531 static void
aiff_write_strings(SF_PRIVATE * psf,int location)1532 aiff_write_strings (SF_PRIVATE *psf, int location)
1533 { int k, slen ;
1534
1535 for (k = 0 ; k < SF_MAX_STRINGS ; k++)
1536 { if (psf->strings.data [k].type == 0)
1537 break ;
1538
1539 if (psf->strings.data [k].flags != location)
1540 continue ;
1541
1542 switch (psf->strings.data [k].type)
1543 { case SF_STR_SOFTWARE :
1544 slen = strlen (psf->strings.storage + psf->strings.data [k].offset) ;
1545 psf_binheader_writef (psf, "Em4mb", BHWm (APPL_MARKER), BHW4 (slen + 4), BHWm (m3ga_MARKER), BHWv (psf->strings.storage + psf->strings.data [k].offset), BHWz (slen + (slen & 1))) ;
1546 break ;
1547
1548 case SF_STR_TITLE :
1549 psf_binheader_writef (psf, "EmS", BHWm (NAME_MARKER), BHWS (psf->strings.storage + psf->strings.data [k].offset)) ;
1550 break ;
1551
1552 case SF_STR_COPYRIGHT :
1553 psf_binheader_writef (psf, "EmS", BHWm (c_MARKER), BHWS (psf->strings.storage + psf->strings.data [k].offset)) ;
1554 break ;
1555
1556 case SF_STR_ARTIST :
1557 psf_binheader_writef (psf, "EmS", BHWm (AUTH_MARKER), BHWS (psf->strings.storage + psf->strings.data [k].offset)) ;
1558 break ;
1559
1560 case SF_STR_COMMENT :
1561 psf_binheader_writef (psf, "EmS", BHWm (ANNO_MARKER), BHWS (psf->strings.storage + psf->strings.data [k].offset)) ;
1562 break ;
1563
1564 /*
1565 case SF_STR_DATE :
1566 psf_binheader_writef (psf, "Ems", BHWm (ICRD_MARKER), BHWs (psf->strings.data [k].str)) ;
1567 break ;
1568 */
1569 } ;
1570 } ;
1571
1572 return ;
1573 } /* aiff_write_strings */
1574
1575 static int
aiff_command(SF_PRIVATE * psf,int command,void * UNUSED (data),int UNUSED (datasize))1576 aiff_command (SF_PRIVATE * psf, int command, void * UNUSED (data), int UNUSED (datasize))
1577 { AIFF_PRIVATE *paiff ;
1578
1579 if ((paiff = psf->container_data) == NULL)
1580 return SFE_INTERNAL ;
1581
1582 switch (command)
1583 { case SFC_SET_CHANNEL_MAP_INFO :
1584 paiff->chanmap_tag = aiff_caf_find_channel_layout_tag (psf->channel_map, psf->sf.channels) ;
1585 return (paiff->chanmap_tag != 0) ;
1586
1587 default :
1588 break ;
1589 } ;
1590
1591 return 0 ;
1592 } /* aiff_command */
1593
1594 static const char*
get_loop_mode_str(int16_t mode)1595 get_loop_mode_str (int16_t mode)
1596 { switch (mode)
1597 { case 0 : return "none" ;
1598 case 1 : return "forward" ;
1599 case 2 : return "backward" ;
1600 } ;
1601
1602 return "*** unknown" ;
1603 } /* get_loop_mode_str */
1604
1605 static int16_t
get_loop_mode(int16_t mode)1606 get_loop_mode (int16_t mode)
1607 { switch (mode)
1608 { case 0 : return SF_LOOP_NONE ;
1609 case 1 : return SF_LOOP_FORWARD ;
1610 case 2 : return SF_LOOP_BACKWARD ;
1611 } ;
1612
1613 return SF_LOOP_NONE ;
1614 } /* get_loop_mode */
1615
1616 /*==========================================================================================
1617 ** Rough hack at converting from 80 bit IEEE float in AIFF header to an int and
1618 ** back again. It assumes that all sample rates are between 1 and 800MHz, which
1619 ** should be OK as other sound file formats use a 32 bit integer to store sample
1620 ** rate.
1621 ** There is another (probably better) version in the source code to the SoX but it
1622 ** has a copyright which probably prevents it from being allowable as GPL/LGPL.
1623 */
1624
1625 static int
tenbytefloat2int(uint8_t * bytes)1626 tenbytefloat2int (uint8_t *bytes)
1627 { int val = 3 ;
1628
1629 if (bytes [0] & 0x80) /* Negative number. */
1630 return 0 ;
1631
1632 if (bytes [0] <= 0x3F) /* Less than 1. */
1633 return 1 ;
1634
1635 if (bytes [0] > 0x40) /* Way too big. */
1636 return 0x4000000 ;
1637
1638 if (bytes [0] == 0x40 && bytes [1] > 0x1C) /* Too big. */
1639 return 800000000 ;
1640
1641 /* Ok, can handle it. */
1642
1643 val = (bytes [2] << 23) | (bytes [3] << 15) | (bytes [4] << 7) | (bytes [5] >> 1) ;
1644
1645 val >>= (29 - bytes [1]) ;
1646
1647 return val ;
1648 } /* tenbytefloat2int */
1649
1650 static void
uint2tenbytefloat(uint32_t num,uint8_t * bytes)1651 uint2tenbytefloat (uint32_t num, uint8_t *bytes)
1652 { uint32_t mask = 0x40000000 ;
1653 int count ;
1654
1655 if (num <= 1)
1656 { bytes [0] = 0x3F ;
1657 bytes [1] = 0xFF ;
1658 bytes [2] = 0x80 ;
1659 return ;
1660 } ;
1661
1662 bytes [0] = 0x40 ;
1663
1664 if (num >= mask)
1665 { bytes [1] = 0x1D ;
1666 return ;
1667 } ;
1668
1669 for (count = 0 ; count < 32 ; count ++)
1670 { if (num & mask)
1671 break ;
1672 mask >>= 1 ;
1673 } ;
1674
1675 num = count < 31 ? num << (count + 1) : 0 ;
1676 bytes [1] = 29 - count ;
1677 bytes [2] = (num >> 24) & 0xFF ;
1678 bytes [3] = (num >> 16) & 0xFF ;
1679 bytes [4] = (num >> 8) & 0xFF ;
1680 bytes [5] = num & 0xFF ;
1681
1682 } /* uint2tenbytefloat */
1683
1684 static int
aiff_read_basc_chunk(SF_PRIVATE * psf,int datasize)1685 aiff_read_basc_chunk (SF_PRIVATE * psf, int datasize)
1686 { const char * type_str ;
1687 basc_CHUNK bc ;
1688 int count ;
1689
1690 count = psf_binheader_readf (psf, "E442", &bc.version, &bc.numBeats, &bc.rootNote) ;
1691 count += psf_binheader_readf (psf, "E222", &bc.scaleType, &bc.sigNumerator, &bc.sigDenominator) ;
1692 count += psf_binheader_readf (psf, "E2j", &bc.loopType, datasize - sizeof (bc)) ;
1693
1694 psf_log_printf (psf, " Version ? : %u\n Num Beats : %u\n Root Note : 0x%x\n",
1695 bc.version, bc.numBeats, bc.rootNote) ;
1696
1697 switch (bc.scaleType)
1698 { case basc_SCALE_MINOR :
1699 type_str = "MINOR" ;
1700 break ;
1701 case basc_SCALE_MAJOR :
1702 type_str = "MAJOR" ;
1703 break ;
1704 case basc_SCALE_NEITHER :
1705 type_str = "NEITHER" ;
1706 break ;
1707 case basc_SCALE_BOTH :
1708 type_str = "BOTH" ;
1709 break ;
1710 default :
1711 type_str = "!!WRONG!!" ;
1712 break ;
1713 } ;
1714
1715 psf_log_printf (psf, " ScaleType : 0x%x (%s)\n", bc.scaleType, type_str) ;
1716 psf_log_printf (psf, " Time Sig : %d/%d\n", bc.sigNumerator, bc.sigDenominator) ;
1717
1718 switch (bc.loopType)
1719 { case basc_TYPE_ONE_SHOT :
1720 type_str = "One Shot" ;
1721 break ;
1722 case basc_TYPE_LOOP :
1723 type_str = "Loop" ;
1724 break ;
1725 default:
1726 type_str = "!!WRONG!!" ;
1727 break ;
1728 } ;
1729
1730 psf_log_printf (psf, " Loop Type : 0x%x (%s)\n", bc.loopType, type_str) ;
1731
1732 if (psf->loop_info)
1733 { psf_log_printf (psf, " Found existing loop info, using last one.\n") ;
1734 free (psf->loop_info) ;
1735 psf->loop_info = NULL ;
1736 } ;
1737 if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL)
1738 return SFE_MALLOC_FAILED ;
1739
1740 psf->loop_info->time_sig_num = bc.sigNumerator ;
1741 psf->loop_info->time_sig_den = bc.sigDenominator ;
1742 psf->loop_info->loop_mode = (bc.loopType == basc_TYPE_ONE_SHOT) ? SF_LOOP_NONE : SF_LOOP_FORWARD ;
1743 psf->loop_info->num_beats = bc.numBeats ;
1744
1745 /* Can always be recalculated from other known fields. */
1746 psf->loop_info->bpm = (1.0 / psf->sf.frames) * psf->sf.samplerate
1747 * ((bc.numBeats * 4.0) / bc.sigDenominator) * 60.0 ;
1748 psf->loop_info->root_key = bc.rootNote ;
1749
1750 if (count < datasize)
1751 psf_binheader_readf (psf, "j", datasize - count) ;
1752
1753 return 0 ;
1754 } /* aiff_read_basc_chunk */
1755
1756
1757 static int
aiff_read_chanmap(SF_PRIVATE * psf,unsigned dword)1758 aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword)
1759 { const AIFF_CAF_CHANNEL_MAP * map_info ;
1760 unsigned channel_bitmap, channel_decriptions, bytesread ;
1761 int layout_tag ;
1762
1763 bytesread = psf_binheader_readf (psf, "444", &layout_tag, &channel_bitmap, &channel_decriptions) ;
1764
1765 if ((map_info = aiff_caf_of_channel_layout_tag (layout_tag)) == NULL)
1766 return 0 ;
1767
1768 psf_log_printf (psf, " Tag : %x\n", layout_tag) ;
1769 if (map_info)
1770 psf_log_printf (psf, " Layout : %s\n", map_info->name) ;
1771
1772 if (bytesread < dword)
1773 psf_binheader_readf (psf, "j", dword - bytesread) ;
1774
1775 if (map_info->channel_map != NULL)
1776 { size_t chanmap_size = SF_MIN (psf->sf.channels, layout_tag & 0xffff) * sizeof (psf->channel_map [0]) ;
1777
1778 free (psf->channel_map) ;
1779
1780 if ((psf->channel_map = malloc (chanmap_size)) == NULL)
1781 return SFE_MALLOC_FAILED ;
1782
1783 memcpy (psf->channel_map, map_info->channel_map, chanmap_size) ;
1784 } ;
1785
1786 return 0 ;
1787 } /* aiff_read_chanmap */
1788
1789 /*==============================================================================
1790 */
1791
1792 static int
aiff_set_chunk(SF_PRIVATE * psf,const SF_CHUNK_INFO * chunk_info)1793 aiff_set_chunk (SF_PRIVATE *psf, const SF_CHUNK_INFO * chunk_info)
1794 { return psf_save_write_chunk (&psf->wchunks, chunk_info) ;
1795 } /* aiff_set_chunk */
1796
1797 static SF_CHUNK_ITERATOR *
aiff_next_chunk_iterator(SF_PRIVATE * psf,SF_CHUNK_ITERATOR * iterator)1798 aiff_next_chunk_iterator (SF_PRIVATE *psf, SF_CHUNK_ITERATOR * iterator)
1799 { return psf_next_chunk_iterator (&psf->rchunks, iterator) ;
1800 } /* aiff_next_chunk_iterator */
1801
1802 static int
aiff_get_chunk_size(SF_PRIVATE * psf,const SF_CHUNK_ITERATOR * iterator,SF_CHUNK_INFO * chunk_info)1803 aiff_get_chunk_size (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info)
1804 { int indx ;
1805
1806 if ((indx = psf_find_read_chunk_iterator (&psf->rchunks, iterator)) < 0)
1807 return SFE_UNKNOWN_CHUNK ;
1808
1809 chunk_info->datalen = psf->rchunks.chunks [indx].len ;
1810
1811 return SFE_NO_ERROR ;
1812 } /* aiff_get_chunk_size */
1813
1814 static int
aiff_get_chunk_data(SF_PRIVATE * psf,const SF_CHUNK_ITERATOR * iterator,SF_CHUNK_INFO * chunk_info)1815 aiff_get_chunk_data (SF_PRIVATE *psf, const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info)
1816 { sf_count_t pos ;
1817 int indx ;
1818
1819 if ((indx = psf_find_read_chunk_iterator (&psf->rchunks, iterator)) < 0)
1820 return SFE_UNKNOWN_CHUNK ;
1821
1822 if (chunk_info->data == NULL)
1823 return SFE_BAD_CHUNK_DATA_PTR ;
1824
1825 chunk_info->id_size = psf->rchunks.chunks [indx].id_size ;
1826 memcpy (chunk_info->id, psf->rchunks.chunks [indx].id, sizeof (chunk_info->id) / sizeof (*chunk_info->id)) ;
1827
1828 pos = psf_ftell (psf) ;
1829 psf_fseek (psf, psf->rchunks.chunks [indx].offset, SEEK_SET) ;
1830 psf_fread (chunk_info->data, SF_MIN (chunk_info->datalen, psf->rchunks.chunks [indx].len), 1, psf) ;
1831 psf_fseek (psf, pos, SEEK_SET) ;
1832
1833 return SFE_NO_ERROR ;
1834 } /* aiff_get_chunk_data */
1835