1 /* metaflac - Command-line FLAC metadata editor
2 * Copyright (C) 2001-2009 Josh Coalson
3 * Copyright (C) 2011-2022 Xiph.Org Foundation
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (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 General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 # include <config.h>
22 #endif
23
24 #include "operations.h"
25 #include "usage.h"
26 #include "utils.h"
27 #include "FLAC/assert.h"
28 #include "FLAC/metadata.h"
29 #include "share/alloc.h"
30 #include "share/grabbag.h"
31 #include "share/compat.h"
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include "operations_shorthand.h"
36
37 static void show_version(void);
38 static FLAC__bool do_major_operation(const CommandLineOptions *options);
39 static FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options);
40 static FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
41 static FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
42 static FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
43 static FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
44 static FLAC__bool do_shorthand_operations(const CommandLineOptions *options);
45 static FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options);
46 static FLAC__bool do_shorthand_operation(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert);
47 static FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime, FLAC__bool scan);
48 static FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write);
49
50 static FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number);
51 static void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application);
52
53 /* from operations_shorthand_seektable.c */
54 extern FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Metadata_Chain *chain, const char *specification, FLAC__bool *needs_write);
55
56 /* from operations_shorthand_streaminfo.c */
57 extern FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
58
59 /* from operations_shorthand_vorbiscomment.c */
60 extern FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw);
61
62 /* from operations_shorthand_cuesheet.c */
63 extern FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
64
65 /* from operations_shorthand_picture.c */
66 extern FLAC__bool do_shorthand_operation__picture(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
67
68
do_operations(const CommandLineOptions * options)69 FLAC__bool do_operations(const CommandLineOptions *options)
70 {
71 FLAC__bool ok = true;
72
73 if(options->show_long_help) {
74 long_usage(0);
75 }
76 if(options->show_version) {
77 show_version();
78 }
79 else if(options->args.checks.num_major_ops > 0) {
80 FLAC__ASSERT(options->args.checks.num_shorthand_ops == 0);
81 FLAC__ASSERT(options->args.checks.num_major_ops == 1);
82 FLAC__ASSERT(options->args.checks.num_major_ops == options->ops.num_operations);
83 ok = do_major_operation(options);
84 }
85 else if(options->args.checks.num_shorthand_ops > 0) {
86 FLAC__ASSERT(options->args.checks.num_shorthand_ops == options->ops.num_operations);
87 ok = do_shorthand_operations(options);
88 }
89
90 return ok;
91 }
92
93 /*
94 * local routines
95 */
96
show_version(void)97 void show_version(void)
98 {
99 printf("metaflac %s\n", FLAC__VERSION_STRING);
100 }
101
do_major_operation(const CommandLineOptions * options)102 FLAC__bool do_major_operation(const CommandLineOptions *options)
103 {
104 unsigned i;
105 FLAC__bool ok = true;
106
107 /* to die after first error, v--- add '&& ok' here */
108 for(i = 0; i < options->num_files; i++)
109 ok &= do_major_operation_on_file(options->filenames[i], options);
110
111 return ok;
112 }
113
do_major_operation_on_file(const char * filename,const CommandLineOptions * options)114 FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options)
115 {
116 FLAC__bool ok = true, needs_write = false, is_ogg = false;
117 FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
118
119 if(0 == chain)
120 die("out of memory allocating chain");
121
122 /*@@@@ lame way of guessing the file type */
123 if(strlen(filename) >= 4 && (0 == strcmp(filename+strlen(filename)-4, ".oga") || 0 == strcmp(filename+strlen(filename)-4, ".ogg")))
124 is_ogg = true;
125
126 if(! (is_ogg? FLAC__metadata_chain_read_ogg(chain, filename) : FLAC__metadata_chain_read(chain, filename)) ) {
127 print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
128 FLAC__metadata_chain_delete(chain);
129 return false;
130 }
131
132 switch(options->ops.operations[0].type) {
133 case OP__LIST:
134 ok = do_major_operation__list(options->prefix_with_filename? filename : 0, chain, options);
135 break;
136 case OP__APPEND:
137 ok = do_major_operation__append(chain, options);
138 needs_write = true;
139 break;
140 case OP__REMOVE:
141 ok = do_major_operation__remove(chain, options);
142 needs_write = true;
143 break;
144 case OP__REMOVE_ALL:
145 ok = do_major_operation__remove_all(chain, options);
146 needs_write = true;
147 break;
148 case OP__MERGE_PADDING:
149 FLAC__metadata_chain_merge_padding(chain);
150 needs_write = true;
151 break;
152 case OP__SORT_PADDING:
153 FLAC__metadata_chain_sort_padding(chain);
154 needs_write = true;
155 break;
156 default:
157 FLAC__ASSERT(0);
158 return false;
159 }
160
161 if(ok && needs_write) {
162 if(options->use_padding)
163 FLAC__metadata_chain_sort_padding(chain);
164 ok = FLAC__metadata_chain_write(chain, options->use_padding, options->preserve_modtime);
165 if(!ok)
166 print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
167 }
168
169 FLAC__metadata_chain_delete(chain);
170
171 return ok;
172 }
173
do_major_operation__list(const char * filename,FLAC__Metadata_Chain * chain,const CommandLineOptions * options)174 FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
175 {
176 FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
177 FLAC__StreamMetadata *block;
178 FLAC__bool ok = true;
179 unsigned block_number;
180
181 if(0 == iterator)
182 die("out of memory allocating iterator");
183
184 FLAC__metadata_iterator_init(iterator, chain);
185
186 block_number = 0;
187 do {
188 block = FLAC__metadata_iterator_get_block(iterator);
189 ok &= (0 != block);
190 if(!ok)
191 flac_fprintf(stderr, "%s: ERROR: couldn't get block from chain\n", filename);
192 else if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number))
193 write_metadata(filename, block, block_number, !options->utf8_convert, options->application_data_format_is_hexdump);
194 block_number++;
195 } while(ok && FLAC__metadata_iterator_next(iterator));
196
197 FLAC__metadata_iterator_delete(iterator);
198
199 return ok;
200 }
201
do_major_operation__append(FLAC__Metadata_Chain * chain,const CommandLineOptions * options)202 FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
203 {
204 (void) chain, (void) options;
205 flac_fprintf(stderr, "ERROR: --append not implemented yet\n");
206 return false;
207 }
208
do_major_operation__remove(FLAC__Metadata_Chain * chain,const CommandLineOptions * options)209 FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
210 {
211 FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
212 FLAC__bool ok = true;
213 unsigned block_number;
214
215 if(0 == iterator)
216 die("out of memory allocating iterator");
217
218 FLAC__metadata_iterator_init(iterator, chain);
219
220 block_number = 0;
221 while(ok && FLAC__metadata_iterator_next(iterator)) {
222 block_number++;
223 if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number)) {
224 ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding);
225 if(options->use_padding)
226 ok &= FLAC__metadata_iterator_next(iterator);
227 }
228 }
229
230 FLAC__metadata_iterator_delete(iterator);
231
232 return ok;
233 }
234
do_major_operation__remove_all(FLAC__Metadata_Chain * chain,const CommandLineOptions * options)235 FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
236 {
237 FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
238 FLAC__bool ok = true;
239
240 if(0 == iterator)
241 die("out of memory allocating iterator");
242
243 FLAC__metadata_iterator_init(iterator, chain);
244
245 while(ok && FLAC__metadata_iterator_next(iterator)) {
246 ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding);
247 if(options->use_padding)
248 ok &= FLAC__metadata_iterator_next(iterator);
249 }
250
251 FLAC__metadata_iterator_delete(iterator);
252
253 return ok;
254 }
255
do_shorthand_operations(const CommandLineOptions * options)256 FLAC__bool do_shorthand_operations(const CommandLineOptions *options)
257 {
258 unsigned i;
259 FLAC__bool ok = true;
260
261 /* to die after first error, v--- add '&& ok' here */
262 for(i = 0; i < options->num_files; i++)
263 ok &= do_shorthand_operations_on_file(options->filenames[i], options);
264
265 /* check if OP__ADD_REPLAY_GAIN requested */
266 if(ok && options->num_files > 0) {
267 for(i = 0; i < options->ops.num_operations; i++) {
268 if(options->ops.operations[i].type == OP__ADD_REPLAY_GAIN)
269 ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files, options->preserve_modtime, false);
270 else if(options->ops.operations[i].type == OP__SCAN_REPLAY_GAIN)
271 ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files, options->preserve_modtime, true);
272 }
273 }
274
275 return ok;
276 }
277
do_shorthand_operations_on_file(const char * filename,const CommandLineOptions * options)278 FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options)
279 {
280 unsigned i;
281 FLAC__bool ok = true, needs_write = false, use_padding = options->use_padding;
282 FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
283
284 if(0 == chain)
285 die("out of memory allocating chain");
286
287 if(!FLAC__metadata_chain_read(chain, filename)) {
288 print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
289 ok = false;
290 goto cleanup;
291 }
292
293 for(i = 0; i < options->ops.num_operations && ok; i++) {
294 /*
295 * Do OP__ADD_SEEKPOINT last to avoid decoding twice if both
296 * --add-seekpoint and --import-cuesheet-from are used.
297 */
298 if(options->ops.operations[i].type != OP__ADD_SEEKPOINT)
299 ok &= do_shorthand_operation(filename, options->prefix_with_filename, chain, &options->ops.operations[i], &needs_write, options->utf8_convert);
300
301 /* The following seems counterintuitive but the meaning
302 * of 'use_padding' is 'try to keep the overall metadata
303 * to its original size, adding or truncating extra
304 * padding if necessary' which is why we need to turn it
305 * off in this case. If we don't, the extra padding block
306 * will just be truncated.
307 */
308 if(options->ops.operations[i].type == OP__ADD_PADDING)
309 use_padding = false;
310 }
311
312 /*
313 * Do OP__ADD_SEEKPOINT last to avoid decoding twice if both
314 * --add-seekpoint and --import-cuesheet-from are used.
315 */
316 for(i = 0; i < options->ops.num_operations && ok; i++) {
317 if(options->ops.operations[i].type == OP__ADD_SEEKPOINT)
318 ok &= do_shorthand_operation(filename, options->prefix_with_filename, chain, &options->ops.operations[i], &needs_write, options->utf8_convert);
319 }
320
321 if(ok && needs_write) {
322 if(use_padding)
323 FLAC__metadata_chain_sort_padding(chain);
324 ok = FLAC__metadata_chain_write(chain, use_padding, options->preserve_modtime);
325 if(!ok)
326 print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
327 }
328
329 cleanup :
330 FLAC__metadata_chain_delete(chain);
331
332 return ok;
333 }
334
do_shorthand_operation(const char * filename,FLAC__bool prefix_with_filename,FLAC__Metadata_Chain * chain,const Operation * operation,FLAC__bool * needs_write,FLAC__bool utf8_convert)335 FLAC__bool do_shorthand_operation(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert)
336 {
337 FLAC__bool ok = true;
338
339 switch(operation->type) {
340 case OP__SHOW_MD5SUM:
341 case OP__SHOW_MIN_BLOCKSIZE:
342 case OP__SHOW_MAX_BLOCKSIZE:
343 case OP__SHOW_MIN_FRAMESIZE:
344 case OP__SHOW_MAX_FRAMESIZE:
345 case OP__SHOW_SAMPLE_RATE:
346 case OP__SHOW_CHANNELS:
347 case OP__SHOW_BPS:
348 case OP__SHOW_TOTAL_SAMPLES:
349 case OP__SET_MD5SUM:
350 case OP__SET_MIN_BLOCKSIZE:
351 case OP__SET_MAX_BLOCKSIZE:
352 case OP__SET_MIN_FRAMESIZE:
353 case OP__SET_MAX_FRAMESIZE:
354 case OP__SET_SAMPLE_RATE:
355 case OP__SET_CHANNELS:
356 case OP__SET_BPS:
357 case OP__SET_TOTAL_SAMPLES:
358 ok = do_shorthand_operation__streaminfo(filename, prefix_with_filename, chain, operation, needs_write);
359 break;
360 case OP__SHOW_VC_VENDOR:
361 case OP__SHOW_VC_FIELD:
362 case OP__REMOVE_VC_ALL:
363 case OP__REMOVE_VC_ALL_EXCEPT:
364 case OP__REMOVE_VC_FIELD:
365 case OP__REMOVE_VC_FIRSTFIELD:
366 case OP__SET_VC_FIELD:
367 case OP__IMPORT_VC_FROM:
368 case OP__EXPORT_VC_TO:
369 ok = do_shorthand_operation__vorbis_comment(filename, prefix_with_filename, chain, operation, needs_write, !utf8_convert);
370 break;
371 case OP__IMPORT_CUESHEET_FROM:
372 case OP__EXPORT_CUESHEET_TO:
373 ok = do_shorthand_operation__cuesheet(filename, chain, operation, needs_write);
374 break;
375 case OP__IMPORT_PICTURE_FROM:
376 case OP__EXPORT_PICTURE_TO:
377 ok = do_shorthand_operation__picture(filename, chain, operation, needs_write);
378 break;
379 case OP__ADD_SEEKPOINT:
380 ok = do_shorthand_operation__add_seekpoints(filename, chain, operation->argument.add_seekpoint.specification, needs_write);
381 break;
382 case OP__ADD_REPLAY_GAIN:
383 case OP__SCAN_REPLAY_GAIN:
384 /* these commands are always executed last */
385 ok = true;
386 break;
387 case OP__ADD_PADDING:
388 ok = do_shorthand_operation__add_padding(filename, chain, operation->argument.add_padding.length, needs_write);
389 break;
390 default:
391 ok = false;
392 FLAC__ASSERT(0);
393 break;
394 };
395
396 return ok;
397 }
398
do_shorthand_operation__add_replay_gain(char ** filenames,unsigned num_files,FLAC__bool preserve_modtime,FLAC__bool scan)399 FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime, FLAC__bool scan)
400 {
401 FLAC__StreamMetadata streaminfo;
402 float *title_gains = 0, *title_peaks = 0;
403 float album_gain, album_peak;
404 unsigned sample_rate = 0;
405 unsigned bits_per_sample = 0;
406 unsigned channels = 0;
407 unsigned i;
408 const char *error;
409 FLAC__bool first = true;
410
411 FLAC__ASSERT(num_files > 0);
412
413 for(i = 0; i < num_files; i++) {
414 FLAC__ASSERT(0 != filenames[i]);
415 if(!FLAC__metadata_get_streaminfo(filenames[i], &streaminfo)) {
416 flac_fprintf(stderr, "%s: ERROR: can't open file or get STREAMINFO block\n", filenames[i]);
417 return false;
418 }
419 if(first) {
420 first = false;
421 sample_rate = streaminfo.data.stream_info.sample_rate;
422 bits_per_sample = streaminfo.data.stream_info.bits_per_sample;
423 channels = streaminfo.data.stream_info.channels;
424 }
425 else {
426 if(sample_rate != streaminfo.data.stream_info.sample_rate) {
427 flac_fprintf(stderr, "%s: ERROR: sample rate of %u Hz does not match previous files' %u Hz\n", filenames[i], streaminfo.data.stream_info.sample_rate, sample_rate);
428 return false;
429 }
430 if(bits_per_sample != streaminfo.data.stream_info.bits_per_sample) {
431 flac_fprintf(stderr, "%s: ERROR: resolution of %u bps does not match previous files' %u bps\n", filenames[i], streaminfo.data.stream_info.bits_per_sample, bits_per_sample);
432 return false;
433 }
434 if(channels != streaminfo.data.stream_info.channels) {
435 flac_fprintf(stderr, "%s: ERROR: # channels (%u) does not match previous files' (%u)\n", filenames[i], streaminfo.data.stream_info.channels, channels);
436 return false;
437 }
438 }
439 if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
440 flac_fprintf(stderr, "%s: ERROR: sample rate of %u Hz is not supported\n", filenames[i], sample_rate);
441 return false;
442 }
443 if(channels != 1 && channels != 2) {
444 flac_fprintf(stderr, "%s: ERROR: # of channels (%u) is not supported, must be 1 or 2\n", filenames[i], channels);
445 return false;
446 }
447 }
448 FLAC__ASSERT(bits_per_sample >= FLAC__MIN_BITS_PER_SAMPLE && bits_per_sample <= FLAC__MAX_BITS_PER_SAMPLE);
449
450 if(!grabbag__replaygain_init(sample_rate)) {
451 FLAC__ASSERT(0);
452 /* double protection */
453 flac_fprintf(stderr, "internal error\n");
454 return false;
455 }
456
457 if(
458 0 == (title_gains = safe_malloc_mul_2op_(sizeof(float), /*times*/num_files)) ||
459 0 == (title_peaks = safe_malloc_mul_2op_(sizeof(float), /*times*/num_files))
460 )
461 die("out of memory allocating space for title gains/peaks");
462
463 for(i = 0; i < num_files; i++) {
464 if(0 != (error = grabbag__replaygain_analyze_file(filenames[i], title_gains+i, title_peaks+i))) {
465 flac_fprintf(stderr, "%s: ERROR: during analysis (%s)\n", filenames[i], error);
466 free(title_gains);
467 free(title_peaks);
468 return false;
469 }
470 }
471 grabbag__replaygain_get_album(&album_gain, &album_peak);
472
473 for(i = 0; i < num_files; i++) {
474 if(!scan) {
475 if(0 != (error = grabbag__replaygain_store_to_file(filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i], preserve_modtime))) {
476 flac_fprintf(stderr, "%s: ERROR: writing tags (%s)\n", filenames[i], error);
477 free(title_gains);
478 free(title_peaks);
479 return false;
480 }
481 } else {
482 flac_fprintf(stdout, "%s: %f %f %f %f\n", filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i]);
483 }
484 }
485
486 free(title_gains);
487 free(title_peaks);
488 return true;
489 }
490
do_shorthand_operation__add_padding(const char * filename,FLAC__Metadata_Chain * chain,unsigned length,FLAC__bool * needs_write)491 FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write)
492 {
493 FLAC__StreamMetadata *padding = 0;
494 FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
495
496 if(0 == iterator)
497 die("out of memory allocating iterator");
498
499 FLAC__metadata_iterator_init(iterator, chain);
500
501 while(FLAC__metadata_iterator_next(iterator))
502 ;
503
504 padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING);
505 if(0 == padding)
506 die("out of memory allocating PADDING block");
507
508 padding->length = length;
509
510 if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) {
511 print_error_with_chain_status(chain, "%s: ERROR: adding new PADDING block to metadata", filename);
512 FLAC__metadata_object_delete(padding);
513 FLAC__metadata_iterator_delete(iterator);
514 return false;
515 }
516
517 FLAC__metadata_iterator_delete(iterator);
518 *needs_write = true;
519 return true;
520 }
521
passes_filter(const CommandLineOptions * options,const FLAC__StreamMetadata * block,unsigned block_number)522 FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number)
523 {
524 unsigned i, j;
525 FLAC__bool matches_number = false, matches_type = false;
526 FLAC__bool has_block_number_arg = false;
527
528 for(i = 0; i < options->args.num_arguments; i++) {
529 if(options->args.arguments[i].type == ARG__BLOCK_TYPE || options->args.arguments[i].type == ARG__EXCEPT_BLOCK_TYPE) {
530 for(j = 0; j < options->args.arguments[i].value.block_type.num_entries; j++) {
531 if(options->args.arguments[i].value.block_type.entries[j].type == block->type) {
532 if(block->type != FLAC__METADATA_TYPE_APPLICATION || !options->args.arguments[i].value.block_type.entries[j].filter_application_by_id || 0 == memcmp(options->args.arguments[i].value.block_type.entries[j].application_id, block->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8))
533 matches_type = true;
534 }
535 }
536 }
537 else if(options->args.arguments[i].type == ARG__BLOCK_NUMBER) {
538 has_block_number_arg = true;
539 for(j = 0; j < options->args.arguments[i].value.block_number.num_entries; j++) {
540 if(options->args.arguments[i].value.block_number.entries[j] == block_number)
541 matches_number = true;
542 }
543 }
544 }
545
546 if(!has_block_number_arg)
547 matches_number = true;
548
549 if(options->args.checks.has_block_type) {
550 FLAC__ASSERT(!options->args.checks.has_except_block_type);
551 }
552 else if(options->args.checks.has_except_block_type)
553 matches_type = !matches_type;
554 else
555 matches_type = true;
556
557 return matches_number && matches_type;
558 }
559
write_metadata(const char * filename,FLAC__StreamMetadata * block,unsigned block_number,FLAC__bool raw,FLAC__bool hexdump_application)560 void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application)
561 {
562 unsigned i, j;
563
564 /*@@@ yuck, should do this with a varargs function or something: */
565 #define PPR if(filename) { if(raw) printf("%s:",filename); else flac_printf("%s:",filename); }
566 PPR; printf("METADATA block #%u\n", block_number);
567 PPR; printf(" type: %u (%s)\n", (unsigned)block->type, block->type < FLAC__METADATA_TYPE_UNDEFINED? FLAC__MetadataTypeString[block->type] : "UNKNOWN");
568 PPR; printf(" is last: %s\n", block->is_last? "true":"false");
569 PPR; printf(" length: %u\n", block->length);
570
571 switch(block->type) {
572 case FLAC__METADATA_TYPE_STREAMINFO:
573 PPR; printf(" minimum blocksize: %u samples\n", block->data.stream_info.min_blocksize);
574 PPR; printf(" maximum blocksize: %u samples\n", block->data.stream_info.max_blocksize);
575 PPR; printf(" minimum framesize: %u bytes\n", block->data.stream_info.min_framesize);
576 PPR; printf(" maximum framesize: %u bytes\n", block->data.stream_info.max_framesize);
577 PPR; printf(" sample_rate: %u Hz\n", block->data.stream_info.sample_rate);
578 PPR; printf(" channels: %u\n", block->data.stream_info.channels);
579 PPR; printf(" bits-per-sample: %u\n", block->data.stream_info.bits_per_sample);
580 PPR; printf(" total samples: %" PRIu64 "\n", block->data.stream_info.total_samples);
581 PPR; printf(" MD5 signature: ");
582 for(i = 0; i < 16; i++) {
583 printf("%02x", (unsigned)block->data.stream_info.md5sum[i]);
584 }
585 printf("\n");
586 break;
587 case FLAC__METADATA_TYPE_PADDING:
588 /* nothing to print */
589 break;
590 case FLAC__METADATA_TYPE_APPLICATION:
591 PPR; printf(" application ID: ");
592 for(i = 0; i < 4; i++)
593 printf("%02x", block->data.application.id[i]);
594 printf("\n");
595 PPR; printf(" data contents:\n");
596 if(0 != block->data.application.data) {
597 if(hexdump_application)
598 hexdump(filename, block->data.application.data, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, " ");
599 else
600 (void) local_fwrite(block->data.application.data, 1, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, stdout);
601 }
602 break;
603 case FLAC__METADATA_TYPE_SEEKTABLE:
604 PPR; printf(" seek points: %u\n", block->data.seek_table.num_points);
605 for(i = 0; i < block->data.seek_table.num_points; i++) {
606 if(block->data.seek_table.points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) {
607 PPR; printf(" point %u: sample_number=%" PRIu64 ", stream_offset=%" PRIu64 ", frame_samples=%u\n", i, block->data.seek_table.points[i].sample_number, block->data.seek_table.points[i].stream_offset, block->data.seek_table.points[i].frame_samples);
608 }
609 else {
610 PPR; printf(" point %u: PLACEHOLDER\n", i);
611 }
612 }
613 break;
614 case FLAC__METADATA_TYPE_VORBIS_COMMENT:
615 PPR; printf(" vendor string: ");
616 write_vc_field(0, &block->data.vorbis_comment.vendor_string, raw, stdout);
617 PPR; printf(" comments: %u\n", block->data.vorbis_comment.num_comments);
618 for(i = 0; i < block->data.vorbis_comment.num_comments; i++) {
619 PPR; printf(" comment[%u]: ", i);
620 write_vc_field(0, &block->data.vorbis_comment.comments[i], raw, stdout);
621 }
622 break;
623 case FLAC__METADATA_TYPE_CUESHEET:
624 PPR; printf(" media catalog number: %s\n", block->data.cue_sheet.media_catalog_number);
625 PPR; printf(" lead-in: %" PRIu64 "\n", block->data.cue_sheet.lead_in);
626 PPR; printf(" is CD: %s\n", block->data.cue_sheet.is_cd? "true":"false");
627 PPR; printf(" number of tracks: %u\n", block->data.cue_sheet.num_tracks);
628 for(i = 0; i < block->data.cue_sheet.num_tracks; i++) {
629 const FLAC__StreamMetadata_CueSheet_Track *track = block->data.cue_sheet.tracks+i;
630 const FLAC__bool is_last = (i == block->data.cue_sheet.num_tracks-1);
631 const FLAC__bool is_leadout = is_last && track->num_indices == 0;
632 PPR; printf(" track[%u]\n", i);
633 PPR; printf(" offset: %" PRIu64 "\n", track->offset);
634 if(is_last) {
635 PPR; printf(" number: %u (%s)\n", (unsigned)track->number, is_leadout? "LEAD-OUT" : "INVALID");
636 }
637 else {
638 PPR; printf(" number: %u\n", (unsigned)track->number);
639 }
640 if(!is_leadout) {
641 PPR; printf(" ISRC: %s\n", track->isrc);
642 PPR; printf(" type: %s\n", track->type == 1? "DATA" : "AUDIO");
643 PPR; printf(" pre-emphasis: %s\n", track->pre_emphasis? "true":"false");
644 PPR; printf(" number of index points: %u\n", track->num_indices);
645 for(j = 0; j < track->num_indices; j++) {
646 const FLAC__StreamMetadata_CueSheet_Index *indx = track->indices+j;
647 PPR; printf(" index[%u]\n", j);
648 PPR; printf(" offset: %" PRIu64 "\n", indx->offset);
649 PPR; printf(" number: %u\n", (unsigned)indx->number);
650 }
651 }
652 }
653 break;
654 case FLAC__METADATA_TYPE_PICTURE:
655 PPR; printf(" type: %u (%s)\n", block->data.picture.type, block->data.picture.type < FLAC__STREAM_METADATA_PICTURE_TYPE_UNDEFINED? FLAC__StreamMetadata_Picture_TypeString[block->data.picture.type] : "UNDEFINED");
656 PPR; printf(" MIME type: %s\n", block->data.picture.mime_type);
657 PPR; printf(" description: %s\n", block->data.picture.description);
658 PPR; printf(" width: %u\n", (unsigned)block->data.picture.width);
659 PPR; printf(" height: %u\n", (unsigned)block->data.picture.height);
660 PPR; printf(" depth: %u\n", (unsigned)block->data.picture.depth);
661 PPR; printf(" colors: %u%s\n", (unsigned)block->data.picture.colors, block->data.picture.colors? "" : " (unindexed)");
662 PPR; printf(" data length: %u\n", (unsigned)block->data.picture.data_length);
663 PPR; printf(" data:\n");
664 if(0 != block->data.picture.data)
665 hexdump(filename, block->data.picture.data, block->data.picture.data_length, " ");
666 break;
667 default:
668 PPR; printf(" data contents:\n");
669 if(0 != block->data.unknown.data)
670 hexdump(filename, block->data.unknown.data, block->length, " ");
671 break;
672 }
673 #undef PPR
674 }
675