src/lib/doslib/ext/flac/operations.c

   1 /* metaflac - Command-line FLAC metadata editor
   2  * Copyright (C) 2001,2002,2003,2004,2005,2006,2007  Josh Coalson
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17  */
  18
  19 #if HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include "operations.h"
  24 #include "usage.h"
  25 #include "utils.h"
  26 #include "FLAC/assert.h"
  27 #include "FLAC/metadata.h"
  28 #include "share/alloc.h"
  29 #include "share/grabbag.h"
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include "operations_shorthand.h"
  34
  35 static void show_version(void);
  36 static FLAC__bool do_major_operation(const CommandLineOptions *options);
  37 static FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options);
  38 static FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
  39 static FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
  40 static FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
  41 static FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options);
  42 static FLAC__bool do_shorthand_operations(const CommandLineOptions *options);
  43 static FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options);
  44 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);
  45 static FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime);
  46 static FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write);
  47
  48 static FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number);
  49 static void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application);
  50
  51 /* from operations_shorthand_seektable.c */
  52 extern FLAC__bool do_shorthand_operation__add_seekpoints(const char *filename, FLAC__Metadata_Chain *chain, const char *specification, FLAC__bool *needs_write);
  53
  54 /* from operations_shorthand_streaminfo.c */
  55 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);
  56
  57 /* from operations_shorthand_vorbiscomment.c */
  58 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);
  59
  60 /* from operations_shorthand_cuesheet.c */
  61 extern FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
  62
  63 /* from operations_shorthand_picture.c */
  64 extern FLAC__bool do_shorthand_operation__picture(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write);
  65
  66
  67 FLAC__bool do_operations(const CommandLineOptions *options)
  68 {
  69         FLAC__bool ok = true;
  70
  71         if(options->show_long_help) {
  72                 long_usage(0);
  73         }
  74         if(options->show_version) {
  75                 show_version();
  76         }
  77         else if(options->args.checks.num_major_ops > 0) {
  78                 FLAC__ASSERT(options->args.checks.num_shorthand_ops == 0);
  79                 FLAC__ASSERT(options->args.checks.num_major_ops == 1);
  80                 FLAC__ASSERT(options->args.checks.num_major_ops == options->ops.num_operations);
  81                 ok = do_major_operation(options);
  82         }
  83         else if(options->args.checks.num_shorthand_ops > 0) {
  84                 FLAC__ASSERT(options->args.checks.num_shorthand_ops == options->ops.num_operations);
  85                 ok = do_shorthand_operations(options);
  86         }
  87
  88         return ok;
  89 }
  90
  91 /*
  92  * local routines
  93  */
  94
  95 void show_version(void)
  96 {
  97         printf("metaflac %s\n", FLAC__VERSION_STRING);
  98 }
  99
 100 FLAC__bool do_major_operation(const CommandLineOptions *options)
 101 {
 102         unsigned i;
 103         FLAC__bool ok = true;
 104
 105         /* to die after first error,     v---  add '&& ok' here */
 106         for(i = 0; i < options->num_files; i++)
 107                 ok &= do_major_operation_on_file(options->filenames[i], options);
 108
 109         return ok;
 110 }
 111
 112 FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options)
 113 {
 114         FLAC__bool ok = true, needs_write = false, is_ogg = false;
 115         FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
 116
 117         if(0 == chain)
 118                 die("out of memory allocating chain");
 119
 120         /*@@@@ lame way of guessing the file type */
 121         if(strlen(filename) >= 4 && (0 == strcmp(filename+strlen(filename)-4, ".oga") || 0 == strcmp(filename+strlen(filename)-4, ".ogg")))
 122                 is_ogg = true;
 123
 124         if(! (is_ogg? FLAC__metadata_chain_read_ogg(chain, filename) : FLAC__metadata_chain_read(chain, filename)) ) {
 125                 print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
 126                 FLAC__metadata_chain_delete(chain);
 127                 return false;
 128         }
 129
 130         switch(options->ops.operations[0].type) {
 131                 case OP__LIST:
 132                         ok = do_major_operation__list(options->prefix_with_filename? filename : 0, chain, options);
 133                         break;
 134                 case OP__APPEND:
 135                         ok = do_major_operation__append(chain, options);
 136                         needs_write = true;
 137                         break;
 138                 case OP__REMOVE:
 139                         ok = do_major_operation__remove(chain, options);
 140                         needs_write = true;
 141                         break;
 142                 case OP__REMOVE_ALL:
 143                         ok = do_major_operation__remove_all(chain, options);
 144                         needs_write = true;
 145                         break;
 146                 case OP__MERGE_PADDING:
 147                         FLAC__metadata_chain_merge_padding(chain);
 148                         needs_write = true;
 149                         break;
 150                 case OP__SORT_PADDING:
 151                         FLAC__metadata_chain_sort_padding(chain);
 152                         needs_write = true;
 153                         break;
 154                 default:
 155                         FLAC__ASSERT(0);
 156                         return false;
 157         }
 158
 159         if(ok && needs_write) {
 160                 if(options->use_padding)
 161                         FLAC__metadata_chain_sort_padding(chain);
 162                 ok = FLAC__metadata_chain_write(chain, options->use_padding, options->preserve_modtime);
 163                 if(!ok)
 164                         print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
 165         }
 166
 167         FLAC__metadata_chain_delete(chain);
 168
 169         return ok;
 170 }
 171
 172 FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
 173 {
 174         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
 175         FLAC__StreamMetadata *block;
 176         FLAC__bool ok = true;
 177         unsigned block_number;
 178
 179         if(0 == iterator)
 180                 die("out of memory allocating iterator");
 181
 182         FLAC__metadata_iterator_init(iterator, chain);
 183
 184         block_number = 0;
 185         do {
 186                 block = FLAC__metadata_iterator_get_block(iterator);
 187                 ok &= (0 != block);
 188                 if(!ok)
 189                         fprintf(stderr, "%s: ERROR: couldn't get block from chain\n", filename);
 190                 else if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number))
 191                         write_metadata(filename, block, block_number, !options->utf8_convert, options->application_data_format_is_hexdump);
 192                 block_number++;
 193         } while(ok && FLAC__metadata_iterator_next(iterator));
 194
 195         FLAC__metadata_iterator_delete(iterator);
 196
 197         return ok;
 198 }
 199
 200 FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
 201 {
 202         (void) chain, (void) options;
 203         fprintf(stderr, "ERROR: --append not implemented yet\n");
 204         return false;
 205 }
 206
 207 FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
 208 {
 209         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
 210         FLAC__bool ok = true;
 211         unsigned block_number;
 212
 213         if(0 == iterator)
 214                 die("out of memory allocating iterator");
 215
 216         FLAC__metadata_iterator_init(iterator, chain);
 217
 218         block_number = 0;
 219         while(ok && FLAC__metadata_iterator_next(iterator)) {
 220                 block_number++;
 221                 if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number)) {
 222                         ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding);
 223                         if(options->use_padding)
 224                                 ok &= FLAC__metadata_iterator_next(iterator);
 225                 }
 226         }
 227
 228         FLAC__metadata_iterator_delete(iterator);
 229
 230         return ok;
 231 }
 232
 233 FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options)
 234 {
 235         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
 236         FLAC__bool ok = true;
 237
 238         if(0 == iterator)
 239                 die("out of memory allocating iterator");
 240
 241         FLAC__metadata_iterator_init(iterator, chain);
 242
 243         while(ok && FLAC__metadata_iterator_next(iterator)) {
 244                 ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding);
 245                 if(options->use_padding)
 246                         ok &= FLAC__metadata_iterator_next(iterator);
 247         }
 248
 249         FLAC__metadata_iterator_delete(iterator);
 250
 251         return ok;
 252 }
 253
 254 FLAC__bool do_shorthand_operations(const CommandLineOptions *options)
 255 {
 256         unsigned i;
 257         FLAC__bool ok = true;
 258
 259         /* to die after first error,     v---  add '&& ok' here */
 260         for(i = 0; i < options->num_files; i++)
 261                 ok &= do_shorthand_operations_on_file(options->filenames[i], options);
 262
 263         /* check if OP__ADD_REPLAY_GAIN requested */
 264         if(ok && options->num_files > 0) {
 265                 for(i = 0; i < options->ops.num_operations; i++) {
 266                         if(options->ops.operations[i].type == OP__ADD_REPLAY_GAIN)
 267                                 ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files, options->preserve_modtime);
 268                 }
 269         }
 270
 271         return ok;
 272 }
 273
 274 FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options)
 275 {
 276         unsigned i;
 277         FLAC__bool ok = true, needs_write = false, use_padding = options->use_padding;
 278         FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
 279
 280         if(0 == chain)
 281                 die("out of memory allocating chain");
 282
 283         if(!FLAC__metadata_chain_read(chain, filename)) {
 284                 print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
 285                 return false;
 286         }
 287
 288         for(i = 0; i < options->ops.num_operations && ok; i++) {
 289                 /*
 290                  * Do OP__ADD_SEEKPOINT last to avoid decoding twice if both
 291                  * --add-seekpoint and --import-cuesheet-from are used.
 292                  */
 293                 if(options->ops.operations[i].type != OP__ADD_SEEKPOINT)
 294                         ok &= do_shorthand_operation(filename, options->prefix_with_filename, chain, &options->ops.operations[i], &needs_write, options->utf8_convert);
 295
 296                 /* The following seems counterintuitive but the meaning
 297                  * of 'use_padding' is 'try to keep the overall metadata
 298                  * to its original size, adding or truncating extra
 299                  * padding if necessary' which is why we need to turn it
 300                  * off in this case.  If we don't, the extra padding block
 301                  * will just be truncated.
 302                  */
 303                 if(options->ops.operations[i].type == OP__ADD_PADDING)
 304                         use_padding = false;
 305         }
 306
 307         /*
 308          * Do OP__ADD_SEEKPOINT last to avoid decoding twice if both
 309          * --add-seekpoint and --import-cuesheet-from are used.
 310          */
 311         for(i = 0; i < options->ops.num_operations && ok; i++) {
 312                 if(options->ops.operations[i].type == OP__ADD_SEEKPOINT)
 313                         ok &= do_shorthand_operation(filename, options->prefix_with_filename, chain, &options->ops.operations[i], &needs_write, options->utf8_convert);
 314         }
 315
 316         if(ok && needs_write) {
 317                 if(use_padding)
 318                         FLAC__metadata_chain_sort_padding(chain);
 319                 ok = FLAC__metadata_chain_write(chain, use_padding, options->preserve_modtime);
 320                 if(!ok)
 321                         print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
 322         }
 323
 324         FLAC__metadata_chain_delete(chain);
 325
 326         return ok;
 327 }
 328
 329 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)
 330 {
 331         FLAC__bool ok = true;
 332
 333         switch(operation->type) {
 334                 case OP__SHOW_MD5SUM:
 335                 case OP__SHOW_MIN_BLOCKSIZE:
 336                 case OP__SHOW_MAX_BLOCKSIZE:
 337                 case OP__SHOW_MIN_FRAMESIZE:
 338                 case OP__SHOW_MAX_FRAMESIZE:
 339                 case OP__SHOW_SAMPLE_RATE:
 340                 case OP__SHOW_CHANNELS:
 341                 case OP__SHOW_BPS:
 342                 case OP__SHOW_TOTAL_SAMPLES:
 343                 case OP__SET_MD5SUM:
 344                 case OP__SET_MIN_BLOCKSIZE:
 345                 case OP__SET_MAX_BLOCKSIZE:
 346                 case OP__SET_MIN_FRAMESIZE:
 347                 case OP__SET_MAX_FRAMESIZE:
 348                 case OP__SET_SAMPLE_RATE:
 349                 case OP__SET_CHANNELS:
 350                 case OP__SET_BPS:
 351                 case OP__SET_TOTAL_SAMPLES:
 352                         ok = do_shorthand_operation__streaminfo(filename, prefix_with_filename, chain, operation, needs_write);
 353                         break;
 354                 case OP__SHOW_VC_VENDOR:
 355                 case OP__SHOW_VC_FIELD:
 356                 case OP__REMOVE_VC_ALL:
 357                 case OP__REMOVE_VC_FIELD:
 358                 case OP__REMOVE_VC_FIRSTFIELD:
 359                 case OP__SET_VC_FIELD:
 360                 case OP__IMPORT_VC_FROM:
 361                 case OP__EXPORT_VC_TO:
 362                         ok = do_shorthand_operation__vorbis_comment(filename, prefix_with_filename, chain, operation, needs_write, !utf8_convert);
 363                         break;
 364                 case OP__IMPORT_CUESHEET_FROM:
 365                 case OP__EXPORT_CUESHEET_TO:
 366                         ok = do_shorthand_operation__cuesheet(filename, chain, operation, needs_write);
 367                         break;
 368                 case OP__IMPORT_PICTURE_FROM:
 369                 case OP__EXPORT_PICTURE_TO:
 370                         ok = do_shorthand_operation__picture(filename, chain, operation, needs_write);
 371                         break;
 372                 case OP__ADD_SEEKPOINT:
 373                         ok = do_shorthand_operation__add_seekpoints(filename, chain, operation->argument.add_seekpoint.specification, needs_write);
 374                         break;
 375                 case OP__ADD_REPLAY_GAIN:
 376                         /* this command is always executed last */
 377                         ok = true;
 378                         break;
 379                 case OP__ADD_PADDING:
 380                         ok = do_shorthand_operation__add_padding(filename, chain, operation->argument.add_padding.length, needs_write);
 381                         break;
 382                 default:
 383                         ok = false;
 384                         FLAC__ASSERT(0);
 385                         break;
 386         };
 387
 388         return ok;
 389 }
 390
 391 FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime)
 392 {
 393         FLAC__StreamMetadata streaminfo;
 394         float *title_gains = 0, *title_peaks = 0;
 395         float album_gain, album_peak;
 396         unsigned sample_rate = 0;
 397         unsigned bits_per_sample = 0;
 398         unsigned channels = 0;
 399         unsigned i;
 400         const char *error;
 401         FLAC__bool first = true;
 402
 403         FLAC__ASSERT(num_files > 0);
 404
 405         for(i = 0; i < num_files; i++) {
 406                 FLAC__ASSERT(0 != filenames[i]);
 407                 if(!FLAC__metadata_get_streaminfo(filenames[i], &streaminfo)) {
 408                         fprintf(stderr, "%s: ERROR: can't open file or get STREAMINFO block\n", filenames[i]);
 409                         return false;
 410                 }
 411                 if(first) {
 412                         first = false;
 413                         sample_rate = streaminfo.data.stream_info.sample_rate;
 414                         bits_per_sample = streaminfo.data.stream_info.bits_per_sample;
 415                         channels = streaminfo.data.stream_info.channels;
 416                 }
 417                 else {
 418                         if(sample_rate != streaminfo.data.stream_info.sample_rate) {
 419                                 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);
 420                                 return false;
 421                         }
 422                         if(bits_per_sample != streaminfo.data.stream_info.bits_per_sample) {
 423                                 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);
 424                                 return false;
 425                         }
 426                         if(channels != streaminfo.data.stream_info.channels) {
 427                                 fprintf(stderr, "%s: ERROR: # channels (%u) does not match previous files' (%u)\n", filenames[i], streaminfo.data.stream_info.channels, channels);
 428                                 return false;
 429                         }
 430                 }
 431                 if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
 432                         fprintf(stderr, "%s: ERROR: sample rate of %u Hz is not supported\n", filenames[i], sample_rate);
 433                         return false;
 434                 }
 435                 if(channels != 1 && channels != 2) {
 436                         fprintf(stderr, "%s: ERROR: # of channels (%u) is not supported, must be 1 or 2\n", filenames[i], channels);
 437                         return false;
 438                 }
 439         }
 440         FLAC__ASSERT(bits_per_sample >= FLAC__MIN_BITS_PER_SAMPLE && bits_per_sample <= FLAC__MAX_BITS_PER_SAMPLE);
 441
 442         if(!grabbag__replaygain_init(sample_rate)) {
 443                 FLAC__ASSERT(0);
 444                 /* double protection */
 445                 fprintf(stderr, "internal error\n");
 446                 return false;
 447         }
 448
 449         if(
 450                 0 == (title_gains = (float*)safe_malloc_mul_2op_(sizeof(float), /*times*/num_files)) ||
 451                 0 == (title_peaks = (float*)safe_malloc_mul_2op_(sizeof(float), /*times*/num_files))
 452         )
 453                 die("out of memory allocating space for title gains/peaks");
 454
 455         for(i = 0; i < num_files; i++) {
 456                 if(0 != (error = grabbag__replaygain_analyze_file(filenames[i], title_gains+i, title_peaks+i))) {
 457                         fprintf(stderr, "%s: ERROR: during analysis (%s)\n", filenames[i], error);
 458                         free(title_gains);
 459                         free(title_peaks);
 460                         return false;
 461                 }
 462         }
 463         grabbag__replaygain_get_album(&album_gain, &album_peak);
 464
 465         for(i = 0; i < num_files; i++) {
 466                 if(0 != (error = grabbag__replaygain_store_to_file(filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i], preserve_modtime))) {
 467                         fprintf(stderr, "%s: ERROR: writing tags (%s)\n", filenames[i], error);
 468                         free(title_gains);
 469                         free(title_peaks);
 470                         return false;
 471                 }
 472         }
 473
 474         free(title_gains);
 475         free(title_peaks);
 476         return true;
 477 }
 478
 479 FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write)
 480 {
 481         FLAC__StreamMetadata *padding = 0;
 482         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
 483
 484         if(0 == iterator)
 485                 die("out of memory allocating iterator");
 486
 487         FLAC__metadata_iterator_init(iterator, chain);
 488
 489         while(FLAC__metadata_iterator_next(iterator))
 490                 ;
 491
 492         padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING);
 493         if(0 == padding)
 494                 die("out of memory allocating PADDING block");
 495
 496         padding->length = length;
 497
 498         if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) {
 499                 print_error_with_chain_status(chain, "%s: ERROR: adding new PADDING block to metadata", filename);
 500                 FLAC__metadata_object_delete(padding);
 501                 FLAC__metadata_iterator_delete(iterator);
 502                 return false;
 503         }
 504
 505         FLAC__metadata_iterator_delete(iterator);
 506         *needs_write = true;
 507         return true;
 508 }
 509
 510 FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number)
 511 {
 512         unsigned i, j;
 513         FLAC__bool matches_number = false, matches_type = false;
 514         FLAC__bool has_block_number_arg = false;
 515
 516         for(i = 0; i < options->args.num_arguments; i++) {
 517                 if(options->args.arguments[i].type == ARG__BLOCK_TYPE || options->args.arguments[i].type == ARG__EXCEPT_BLOCK_TYPE) {
 518                         for(j = 0; j < options->args.arguments[i].value.block_type.num_entries; j++) {
 519                                 if(options->args.arguments[i].value.block_type.entries[j].type == block->type) {
 520                                         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))
 521                                                 matches_type = true;
 522                                 }
 523                         }
 524                 }
 525                 else if(options->args.arguments[i].type == ARG__BLOCK_NUMBER) {
 526                         has_block_number_arg = true;
 527                         for(j = 0; j < options->args.arguments[i].value.block_number.num_entries; j++) {
 528                                 if(options->args.arguments[i].value.block_number.entries[j] == block_number)
 529                                         matches_number = true;
 530                         }
 531                 }
 532         }
 533
 534         if(!has_block_number_arg)
 535                 matches_number = true;
 536
 537         if(options->args.checks.has_block_type) {
 538                 FLAC__ASSERT(!options->args.checks.has_except_block_type);
 539         }
 540         else if(options->args.checks.has_except_block_type)
 541                 matches_type = !matches_type;
 542         else
 543                 matches_type = true;
 544
 545         return matches_number && matches_type;
 546 }
 547
 548 void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application)
 549 {
 550         unsigned i, j;
 551
 552 /*@@@ yuck, should do this with a varargs function or something: */
 553 #define PPR if(filename)printf("%s:",filename);
 554         PPR; printf("METADATA block #%u\n", block_number);
 555         PPR; printf("  type: %u (%s)\n", (unsigned)block->type, block->type < FLAC__METADATA_TYPE_UNDEFINED? FLAC__MetadataTypeString[block->type] : "UNKNOWN");
 556         PPR; printf("  is last: %s\n", block->is_last? "true":"false");
 557         PPR; printf("  length: %u\n", block->length);
 558
 559         switch(block->type) {
 560                 case FLAC__METADATA_TYPE_STREAMINFO:
 561                         PPR; printf("  minimum blocksize: %u samples\n", block->data.stream_info.min_blocksize);
 562                         PPR; printf("  maximum blocksize: %u samples\n", block->data.stream_info.max_blocksize);
 563                         PPR; printf("  minimum framesize: %u bytes\n", block->data.stream_info.min_framesize);
 564                         PPR; printf("  maximum framesize: %u bytes\n", block->data.stream_info.max_framesize);
 565                         PPR; printf("  sample_rate: %u Hz\n", block->data.stream_info.sample_rate);
 566                         PPR; printf("  channels: %u\n", block->data.stream_info.channels);
 567                         PPR; printf("  bits-per-sample: %u\n", block->data.stream_info.bits_per_sample);
 568 #ifdef _MSC_VER
 569                         PPR; printf("  total samples: %I64u\n", block->data.stream_info.total_samples);
 570 #else
 571                         PPR; printf("  total samples: %llu\n", (unsigned long long)block->data.stream_info.total_samples);
 572 #endif
 573                         PPR; printf("  MD5 signature: ");
 574                         for(i = 0; i < 16; i++) {
 575                                 printf("%02x", (unsigned)block->data.stream_info.md5sum[i]);
 576                         }
 577                         printf("\n");
 578                         break;
 579                 case FLAC__METADATA_TYPE_PADDING:
 580                         /* nothing to print */
 581                         break;
 582                 case FLAC__METADATA_TYPE_APPLICATION:
 583                         PPR; printf("  application ID: ");
 584                         for(i = 0; i < 4; i++)
 585                                 printf("%02x", block->data.application.id[i]);
 586                         printf("\n");
 587                         PPR; printf("  data contents:\n");
 588                         if(0 != block->data.application.data) {
 589                                 if(hexdump_application)
 590                                         hexdump(filename, block->data.application.data, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, "    ");
 591                                 else
 592                                         (void) local_fwrite(block->data.application.data, 1, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, stdout);
 593                         }
 594                         break;
 595                 case FLAC__METADATA_TYPE_SEEKTABLE:
 596                         PPR; printf("  seek points: %u\n", block->data.seek_table.num_points);
 597                         for(i = 0; i < block->data.seek_table.num_points; i++) {
 598                                 if(block->data.seek_table.points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) {
 599 #ifdef _MSC_VER
 600                                         PPR; printf("    point %u: sample_number=%I64u, stream_offset=%I64u, 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);
 601 #else
 602                                         PPR; printf("    point %u: sample_number=%llu, stream_offset=%llu, frame_samples=%u\n", i, (unsigned long long)block->data.seek_table.points[i].sample_number, (unsigned long long)block->data.seek_table.points[i].stream_offset, block->data.seek_table.points[i].frame_samples);
 603 #endif
 604                                 }
 605                                 else {
 606                                         PPR; printf("    point %u: PLACEHOLDER\n", i);
 607                                 }
 608                         }
 609                         break;
 610                 case FLAC__METADATA_TYPE_VORBIS_COMMENT:
 611                         PPR; printf("  vendor string: ");
 612                         write_vc_field(0, &block->data.vorbis_comment.vendor_string, raw, stdout);
 613                         PPR; printf("  comments: %u\n", block->data.vorbis_comment.num_comments);
 614                         for(i = 0; i < block->data.vorbis_comment.num_comments; i++) {
 615                                 PPR; printf("    comment[%u]: ", i);
 616                                 write_vc_field(0, &block->data.vorbis_comment.comments[i], raw, stdout);
 617                         }
 618                         break;
 619                 case FLAC__METADATA_TYPE_CUESHEET:
 620                         PPR; printf("  media catalog number: %s\n", block->data.cue_sheet.media_catalog_number);
 621 #ifdef _MSC_VER
 622                         PPR; printf("  lead-in: %I64u\n", block->data.cue_sheet.lead_in);
 623 #else
 624                         PPR; printf("  lead-in: %llu\n", (unsigned long long)block->data.cue_sheet.lead_in);
 625 #endif
 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 #ifdef _MSC_VER
 634                                 PPR; printf("      offset: %I64u\n", track->offset);
 635 #else
 636                                 PPR; printf("      offset: %llu\n", (unsigned long long)track->offset);
 637 #endif
 638                                 if(is_last) {
 639                                         PPR; printf("      number: %u (%s)\n", (unsigned)track->number, is_leadout? "LEAD-OUT" : "INVALID");
 640                                 }
 641                                 else {
 642                                         PPR; printf("      number: %u\n", (unsigned)track->number);
 643                                 }
 644                                 if(!is_leadout) {
 645                                         PPR; printf("      ISRC: %s\n", track->isrc);
 646                                         PPR; printf("      type: %s\n", track->type == 1? "DATA" : "AUDIO");
 647                                         PPR; printf("      pre-emphasis: %s\n", track->pre_emphasis? "true":"false");
 648                                         PPR; printf("      number of index points: %u\n", track->num_indices);
 649                                         for(j = 0; j < track->num_indices; j++) {
 650                                                 const FLAC__StreamMetadata_CueSheet_Index *index = track->indices+j;
 651                                                 PPR; printf("        index[%u]\n", j);
 652 #ifdef _MSC_VER
 653                                                 PPR; printf("          offset: %I64u\n", index->offset);
 654 #else
 655                                                 PPR; printf("          offset: %llu\n", (unsigned long long)index->offset);
 656 #endif
 657                                                 PPR; printf("          number: %u\n", (unsigned)index->number);
 658                                         }
 659                                 }
 660                         }
 661                         break;
 662                 case FLAC__METADATA_TYPE_PICTURE:
 663                         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");
 664                         PPR; printf("  MIME type: %s\n", block->data.picture.mime_type);
 665                         PPR; printf("  description: %s\n", block->data.picture.description);
 666                         PPR; printf("  width: %u\n", (unsigned)block->data.picture.width);
 667                         PPR; printf("  height: %u\n", (unsigned)block->data.picture.height);
 668                         PPR; printf("  depth: %u\n", (unsigned)block->data.picture.depth);
 669                         PPR; printf("  colors: %u%s\n", (unsigned)block->data.picture.colors, block->data.picture.colors? "" : " (unindexed)");
 670                         PPR; printf("  data length: %u\n", (unsigned)block->data.picture.data_length);
 671                         PPR; printf("  data:\n");
 672                         if(0 != block->data.picture.data)
 673                                 hexdump(filename, block->data.picture.data, block->data.picture.data_length, "    ");
 674                         break;
 675                 default:
 676                         PPR; printf("  data contents:\n");
 677                         if(0 != block->data.unknown.data)
 678                                 hexdump(filename, block->data.unknown.data, block->length, "    ");
 679                         break;
 680         }
 681 #undef PPR
 682 }