src/metaflac/operations.c

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