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