src/flac/decode.c

   1 /* flac - Command-line FLAC encoder/decoder
   2  * Copyright (C) 2000-2009  Josh Coalson
   3  * Copyright (C) 2011-2013  Xiph.Org Foundation
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #if HAVE_CONFIG_H
  21 #  include <config.h>
  22 #endif
  23
  24 #include <errno.h>
  25 #include <math.h> /* for floor() */
  26 #include <stdio.h> /* for FILE etc. */
  27 #include <string.h> /* for strcmp(), strerror() */
  28 #include "FLAC/all.h"
  29 #include "share/grabbag.h"
  30 #include "share/replaygain_synthesis.h"
  31 #include "share/compat.h"
  32 #include "decode.h"
  33
  34 typedef struct {
  35 #if FLAC__HAS_OGG
  36         FLAC__bool is_ogg;
  37         FLAC__bool use_first_serial_number;
  38         long serial_number;
  39 #endif
  40
  41         FileFormat format;
  42         FLAC__bool treat_warnings_as_errors;
  43         FLAC__bool continue_through_decode_errors;
  44         FLAC__bool channel_map_none;
  45
  46         struct {
  47                 replaygain_synthesis_spec_t spec;
  48                 FLAC__bool apply; /* 'spec.apply' is just a request; this 'apply' means we actually parsed the RG tags and are ready to go */
  49                 double scale;
  50                 DitherContext dither_context;
  51         } replaygain;
  52
  53         FLAC__bool test_only;
  54         FLAC__bool analysis_mode;
  55         analysis_options aopts;
  56         utils__SkipUntilSpecification *skip_specification;
  57         utils__SkipUntilSpecification *until_specification; /* a canonicalized value of 0 mean end-of-stream (i.e. --until=-0) */
  58         utils__CueSpecification *cue_specification;
  59
  60         const char *inbasefilename;
  61         const char *infilename;
  62         const char *outfilename;
  63
  64         FLAC__uint64 samples_processed;
  65         unsigned frame_counter;
  66         FLAC__bool abort_flag;
  67         FLAC__bool aborting_due_to_until; /* true if we intentionally abort decoding prematurely because we hit the --until point */
  68         FLAC__bool aborting_due_to_unparseable; /* true if we abort decoding because we hit an unparseable frame */
  69         FLAC__bool error_callback_suppress_messages; /* turn on to prevent repeating messages from the error callback */
  70
  71         FLAC__bool iff_headers_need_fixup;
  72
  73         FLAC__bool is_big_endian;
  74         FLAC__bool is_unsigned_samples;
  75         FLAC__bool got_stream_info;
  76         FLAC__bool has_md5sum;
  77         FLAC__uint64 total_samples;
  78         unsigned bps;
  79         unsigned channels;
  80         unsigned sample_rate;
  81         FLAC__uint32 channel_mask;
  82
  83         /* these are used only in analyze mode */
  84         FLAC__uint64 decode_position;
  85
  86         FLAC__StreamDecoder *decoder;
  87
  88         FILE *fout;
  89
  90         foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */
  91         FLAC__off_t fm_offset1, fm_offset2, fm_offset3;
  92 } DecoderSession;
  93
  94
  95 static FLAC__bool is_big_endian_host_;
  96
  97
  98 /*
  99  * local routines
 100  */
 101 static FLAC__bool DecoderSession_construct(DecoderSession *d, FLAC__bool is_ogg, FLAC__bool use_first_serial_number, long serial_number, FileFormat format, FLAC__bool treat_warnings_as_errors, FLAC__bool continue_through_decode_errors, FLAC__bool channel_map_none, replaygain_synthesis_spec_t replaygain_synthesis_spec, FLAC__bool analysis_mode, analysis_options aopts, utils__SkipUntilSpecification *skip_specification, utils__SkipUntilSpecification *until_specification, utils__CueSpecification *cue_specification, foreign_metadata_t *foreign_metadata, const char *infilename, const char *outfilename);
 102 static void DecoderSession_destroy(DecoderSession *d, FLAC__bool error_occurred);
 103 static FLAC__bool DecoderSession_init_decoder(DecoderSession *d, const char *infilename);
 104 static FLAC__bool DecoderSession_process(DecoderSession *d);
 105 static int DecoderSession_finish_ok(DecoderSession *d);
 106 static int DecoderSession_finish_error(DecoderSession *d);
 107 static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input);
 108 static FLAC__bool write_iff_headers(FILE *f, DecoderSession *decoder_session, FLAC__uint64 samples);
 109 static FLAC__bool write_riff_wave_fmt_chunk_body(FILE *f, FLAC__bool is_waveformatextensible, unsigned bps, unsigned channels, unsigned sample_rate, FLAC__uint32 channel_mask);
 110 static FLAC__bool write_aiff_form_comm_chunk(FILE *f, FLAC__uint64 samples, unsigned bps, unsigned channels, unsigned sample_rate);
 111 static FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 val);
 112 static FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 val);
 113 static FLAC__bool write_little_endian_uint64(FILE *f, FLAC__uint64 val);
 114 static FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 val);
 115 static FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 val);
 116 static FLAC__bool write_sane_extended(FILE *f, unsigned val);
 117 static FLAC__bool fixup_iff_headers(DecoderSession *d);
 118 static FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
 119 static void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
 120 static void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
 121 static void print_error_with_init_status(const DecoderSession *d, const char *message, FLAC__StreamDecoderInitStatus init_status);
 122 static void print_error_with_state(const DecoderSession *d, const char *message);
 123 static void print_stats(const DecoderSession *decoder_session);
 124
 125
 126 /*
 127  * public routines
 128  */
 129 int flac__decode_file(const char *infilename, const char *outfilename, FLAC__bool analysis_mode, analysis_options aopts, decode_options_t options)
 130 {
 131         DecoderSession decoder_session;
 132
 133         FLAC__ASSERT(
 134                 options.format == FORMAT_WAVE ||
 135                 options.format == FORMAT_WAVE64 ||
 136                 options.format == FORMAT_RF64 ||
 137                 options.format == FORMAT_AIFF ||
 138                 options.format == FORMAT_AIFF_C ||
 139                 options.format == FORMAT_RAW
 140         );
 141
 142         if(options.format == FORMAT_RAW) {
 143                 decoder_session.is_big_endian = options.format_options.raw.is_big_endian;
 144                 decoder_session.is_unsigned_samples = options.format_options.raw.is_unsigned_samples;
 145         }
 146
 147         if(!
 148                 DecoderSession_construct(
 149                         &decoder_session,
 150 #if FLAC__HAS_OGG
 151                         options.is_ogg,
 152                         options.use_first_serial_number,
 153                         options.serial_number,
 154 #else
 155                         /*is_ogg=*/false,
 156                         /*use_first_serial_number=*/false,
 157                         /*serial_number=*/0,
 158 #endif
 159                         options.format,
 160                         options.treat_warnings_as_errors,
 161                         options.continue_through_decode_errors,
 162                         options.channel_map_none,
 163                         options.replaygain_synthesis_spec,
 164                         analysis_mode,
 165                         aopts,
 166                         &options.skip_specification,
 167                         &options.until_specification,
 168                         options.has_cue_specification? &options.cue_specification : 0,
 169                         options.format == FORMAT_RAW? NULL : options.format_options.iff.foreign_metadata,
 170                         infilename,
 171                         outfilename
 172                 )
 173         )
 174                 return 1;
 175
 176         stats_new_file();
 177         if(!DecoderSession_init_decoder(&decoder_session, infilename))
 178                 return DecoderSession_finish_error(&decoder_session);
 179
 180         if(!DecoderSession_process(&decoder_session))
 181                 return DecoderSession_finish_error(&decoder_session);
 182
 183         return DecoderSession_finish_ok(&decoder_session);
 184 }
 185
 186 FLAC__bool DecoderSession_construct(DecoderSession *d, FLAC__bool is_ogg, FLAC__bool use_first_serial_number, long serial_number, FileFormat format, FLAC__bool treat_warnings_as_errors, FLAC__bool continue_through_decode_errors, FLAC__bool channel_map_none, replaygain_synthesis_spec_t replaygain_synthesis_spec, FLAC__bool analysis_mode, analysis_options aopts, utils__SkipUntilSpecification *skip_specification, utils__SkipUntilSpecification *until_specification, utils__CueSpecification *cue_specification, foreign_metadata_t *foreign_metadata, const char *infilename, const char *outfilename)
 187 {
 188 #if FLAC__HAS_OGG
 189         d->is_ogg = is_ogg;
 190         d->use_first_serial_number = use_first_serial_number;
 191         d->serial_number = serial_number;
 192 #else
 193         (void)is_ogg;
 194         (void)use_first_serial_number;
 195         (void)serial_number;
 196 #endif
 197
 198         d->format = format;
 199         d->treat_warnings_as_errors = treat_warnings_as_errors;
 200         d->continue_through_decode_errors = continue_through_decode_errors;
 201         d->channel_map_none = channel_map_none;
 202         d->replaygain.spec = replaygain_synthesis_spec;
 203         d->replaygain.apply = false;
 204         d->replaygain.scale = 0.0;
 205         /* d->replaygain.dither_context gets initialized later once we know the sample resolution */
 206         d->test_only = (0 == outfilename);
 207         d->analysis_mode = analysis_mode;
 208         d->aopts = aopts;
 209         d->skip_specification = skip_specification;
 210         d->until_specification = until_specification;
 211         d->cue_specification = cue_specification;
 212
 213         d->inbasefilename = grabbag__file_get_basename(infilename);
 214         d->infilename = infilename;
 215         d->outfilename = outfilename;
 216
 217         d->samples_processed = 0;
 218         d->frame_counter = 0;
 219         d->abort_flag = false;
 220         d->aborting_due_to_until = false;
 221         d->aborting_due_to_unparseable = false;
 222         d->error_callback_suppress_messages = false;
 223
 224         d->iff_headers_need_fixup = false;
 225
 226         d->total_samples = 0;
 227         d->got_stream_info = false;
 228         d->has_md5sum = false;
 229         d->bps = 0;
 230         d->channels = 0;
 231         d->sample_rate = 0;
 232         d->channel_mask = 0;
 233
 234         d->decode_position = 0;
 235
 236         d->decoder = 0;
 237
 238         d->fout = 0; /* initialized with an open file later if necessary */
 239
 240         d->foreign_metadata = foreign_metadata;
 241
 242         FLAC__ASSERT(!(d->test_only && d->analysis_mode));
 243
 244         if(!d->test_only) {
 245                 if(0 == strcmp(outfilename, "-")) {
 246                         d->fout = grabbag__file_get_binary_stdout();
 247                 }
 248                 else {
 249                         if(0 == (d->fout = flac_fopen(outfilename, "wb"))) {
 250                                 flac__utils_printf(stderr, 1, "%s: ERROR: can't open output file %s: %s\n", d->inbasefilename, outfilename, strerror(errno));
 251                                 DecoderSession_destroy(d, /*error_occurred=*/true);
 252                                 return false;
 253                         }
 254                 }
 255         }
 256
 257         if(analysis_mode)
 258                 flac__analyze_init(aopts);
 259
 260         return true;
 261 }
 262
 263 void DecoderSession_destroy(DecoderSession *d, FLAC__bool error_occurred)
 264 {
 265         if(0 != d->fout && d->fout != stdout) {
 266                 fclose(d->fout);
 267                 if(error_occurred)
 268                         flac_unlink(d->outfilename);
 269         }
 270 }
 271
 272 FLAC__bool DecoderSession_init_decoder(DecoderSession *decoder_session, const char *infilename)
 273 {
 274         FLAC__StreamDecoderInitStatus init_status;
 275         FLAC__uint32 test = 1;
 276
 277         is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
 278
 279         if(!decoder_session->analysis_mode && !decoder_session->test_only && decoder_session->foreign_metadata) {
 280                 const char *error;
 281                 if(!flac__foreign_metadata_read_from_flac(decoder_session->foreign_metadata, infilename, &error)) {
 282                         flac__utils_printf(stderr, 1, "%s: ERROR reading foreign metadata: %s\n", decoder_session->inbasefilename, error);
 283                         return false;
 284                 }
 285         }
 286
 287         decoder_session->decoder = FLAC__stream_decoder_new();
 288
 289         if(0 == decoder_session->decoder) {
 290                 flac__utils_printf(stderr, 1, "%s: ERROR creating the decoder instance\n", decoder_session->inbasefilename);
 291                 return false;
 292         }
 293
 294         FLAC__stream_decoder_set_md5_checking(decoder_session->decoder, true);
 295         if (0 != decoder_session->cue_specification)
 296                 FLAC__stream_decoder_set_metadata_respond(decoder_session->decoder, FLAC__METADATA_TYPE_CUESHEET);
 297         if (decoder_session->replaygain.spec.apply)
 298                 FLAC__stream_decoder_set_metadata_respond(decoder_session->decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT);
 299
 300 #if FLAC__HAS_OGG
 301         if(decoder_session->is_ogg) {
 302                 if(!decoder_session->use_first_serial_number)
 303                         FLAC__stream_decoder_set_ogg_serial_number(decoder_session->decoder, decoder_session->serial_number);
 304                 init_status = FLAC__stream_decoder_init_ogg_file(decoder_session->decoder, strcmp(infilename, "-")? infilename : 0, write_callback, metadata_callback, error_callback, /*client_data=*/decoder_session);
 305         }
 306         else
 307 #endif
 308         {
 309                 init_status = FLAC__stream_decoder_init_file(decoder_session->decoder, strcmp(infilename, "-")? infilename : 0, write_callback, metadata_callback, error_callback, /*client_data=*/decoder_session);
 310         }
 311
 312         if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
 313                 print_error_with_init_status(decoder_session, "ERROR initializing decoder", init_status);
 314                 return false;
 315         }
 316
 317         return true;
 318 }
 319
 320 FLAC__bool DecoderSession_process(DecoderSession *d)
 321 {
 322         if(!FLAC__stream_decoder_process_until_end_of_metadata(d->decoder)) {
 323                 flac__utils_printf(stderr, 2, "\n");
 324                 print_error_with_state(d, "ERROR while decoding metadata");
 325                 return false;
 326         }
 327         if(FLAC__stream_decoder_get_state(d->decoder) > FLAC__STREAM_DECODER_END_OF_STREAM) {
 328                 flac__utils_printf(stderr, 2, "\n");
 329                 print_error_with_state(d, "ERROR during metadata decoding");
 330                 if(!d->continue_through_decode_errors)
 331                         return false;
 332         }
 333
 334         if(d->abort_flag)
 335                 return false;
 336
 337         /* set channel mapping */
 338         /* currently FLAC order matches SMPTE/WAVEFORMATEXTENSIBLE order, so no reordering is necessary; see encode.c */
 339         /* only the channel mask must be set if it was not already picked up from the WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag */
 340         if(!d->channel_map_none && d->channel_mask == 0) {
 341                 if(d->channels == 1) {
 342                         d->channel_mask = 0x0001;
 343                 }
 344                 else if(d->channels == 2) {
 345                         d->channel_mask = 0x0003;
 346                 }
 347                 else if(d->channels == 3) {
 348                         d->channel_mask = 0x0007;
 349                 }
 350                 else if(d->channels == 4) {
 351                         d->channel_mask = 0x0033;
 352                 }
 353                 else if(d->channels == 5) {
 354                         d->channel_mask = 0x0607;
 355                 }
 356                 else if(d->channels == 6) {
 357                         d->channel_mask = 0x060f;
 358                 }
 359                 else if(d->channels == 7) {
 360                         d->channel_mask = 0x070f;
 361                 }
 362                 else if(d->channels == 8) {
 363                         d->channel_mask = 0x063f;
 364                 }
 365         }
 366
 367         /* write the WAVE/AIFF headers if necessary */
 368         if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) {
 369                 if(!write_iff_headers(d->fout, d, d->total_samples)) {
 370                         d->abort_flag = true;
 371                         return false;
 372                 }
 373         }
 374
 375         if(d->skip_specification->value.samples > 0) {
 376                 const FLAC__uint64 skip = (FLAC__uint64)d->skip_specification->value.samples;
 377
 378                 if(!FLAC__stream_decoder_seek_absolute(d->decoder, skip)) {
 379                         print_error_with_state(d, "ERROR seeking while skipping bytes");
 380                         return false;
 381                 }
 382         }
 383         if(!FLAC__stream_decoder_process_until_end_of_stream(d->decoder) && !d->aborting_due_to_until) {
 384                 flac__utils_printf(stderr, 2, "\n");
 385                 print_error_with_state(d, "ERROR while decoding data");
 386                 if(!d->continue_through_decode_errors)
 387                         return false;
 388         }
 389         if(
 390                 (d->abort_flag && !(d->aborting_due_to_until || d->continue_through_decode_errors)) ||
 391                 (FLAC__stream_decoder_get_state(d->decoder) > FLAC__STREAM_DECODER_END_OF_STREAM && !d->aborting_due_to_until)
 392         ) {
 393                 flac__utils_printf(stderr, 2, "\n");
 394                 print_error_with_state(d, "ERROR during decoding");
 395                 return false;
 396         }
 397
 398         /* write padding bytes for alignment if necessary */
 399         if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) {
 400                 const FLAC__uint64 data_size = d->total_samples * d->channels * ((d->bps+7)/8);
 401                 unsigned padding;
 402                 if(d->format != FORMAT_WAVE64) {
 403                         padding = (unsigned)(data_size & 1);
 404                 }
 405                 else {
 406                         /* 8-byte alignment for Wave64 */
 407                         padding = (8 - (unsigned)(data_size & 7)) & 7;
 408                 }
 409                 for( ; padding > 0; --padding) {
 410                         if(flac__utils_fwrite("\000", 1, 1, d->fout) != 1) {
 411                                 print_error_with_state(
 412                                         d,
 413                                         d->format == FORMAT_WAVE?   "ERROR writing pad byte to WAVE data chunk" :
 414                                         d->format == FORMAT_WAVE64? "ERROR writing pad bytes to WAVE64 data chunk" :
 415                                         d->format == FORMAT_RF64?   "ERROR writing pad byte to RF64 data chunk" :
 416                                         "ERROR writing pad byte to AIFF SSND chunk"
 417                                 );
 418                                 return false;
 419                         }
 420                 }
 421         }
 422
 423         return true;
 424 }
 425
 426 int DecoderSession_finish_ok(DecoderSession *d)
 427 {
 428         FLAC__bool ok = true, md5_failure = false;
 429
 430         if(d->decoder) {
 431                 md5_failure = !FLAC__stream_decoder_finish(d->decoder) && !d->aborting_due_to_until;
 432                 print_stats(d);
 433                 FLAC__stream_decoder_delete(d->decoder);
 434         }
 435         if(d->analysis_mode)
 436                 flac__analyze_finish(d->aopts);
 437         if(md5_failure) {
 438                 stats_print_name(1, d->inbasefilename);
 439                 flac__utils_printf(stderr, 1, "ERROR, MD5 signature mismatch\n");
 440                 ok = d->continue_through_decode_errors;
 441         }
 442         else {
 443                 if(!d->got_stream_info) {
 444                         stats_print_name(1, d->inbasefilename);
 445                         flac__utils_printf(stderr, 1, "WARNING, cannot check MD5 signature since there was no STREAMINFO\n");
 446                         ok = !d->treat_warnings_as_errors;
 447                 }
 448                 else if(!d->has_md5sum) {
 449                         stats_print_name(1, d->inbasefilename);
 450                         flac__utils_printf(stderr, 1, "WARNING, cannot check MD5 signature since it was unset in the STREAMINFO\n");
 451                         ok = !d->treat_warnings_as_errors;
 452                 }
 453                 stats_print_name(2, d->inbasefilename);
 454                 flac__utils_printf(stderr, 2, "%s         \n", d->test_only? "ok           ":d->analysis_mode?"done           ":"done");
 455         }
 456         DecoderSession_destroy(d, /*error_occurred=*/!ok);
 457         if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) {
 458                 if(d->iff_headers_need_fixup || (!d->got_stream_info && strcmp(d->outfilename, "-"))) {
 459                         if(!fixup_iff_headers(d))
 460                                 return 1;
 461                 }
 462                 if(d->foreign_metadata) {
 463                         const char *error;
 464                         if(!flac__foreign_metadata_write_to_iff(d->foreign_metadata, d->infilename, d->outfilename, d->fm_offset1, d->fm_offset2, d->fm_offset3, &error)) {
 465                                 flac__utils_printf(stderr, 1, "ERROR updating foreign metadata from %s to %s: %s\n", d->infilename, d->outfilename, error);
 466                                 return 1;
 467                         }
 468                 }
 469         }
 470         return ok? 0 : 1;
 471 }
 472
 473 int DecoderSession_finish_error(DecoderSession *d)
 474 {
 475         if(d->decoder) {
 476                 (void)FLAC__stream_decoder_finish(d->decoder);
 477                 FLAC__stream_decoder_delete(d->decoder);
 478         }
 479         if(d->analysis_mode)
 480                 flac__analyze_finish(d->aopts);
 481         DecoderSession_destroy(d, /*error_occurred=*/true);
 482         return 1;
 483 }
 484
 485 FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input)
 486 {
 487         /* convert from mm:ss.sss to sample number if necessary */
 488         flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
 489
 490         /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
 491         if(spec->is_relative && spec->value.samples == 0) {
 492                 spec->is_relative = false;
 493                 return true;
 494         }
 495
 496         /* in any other case the total samples in the input must be known */
 497         if(total_samples_in_input == 0) {
 498                 flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until when FLAC metadata has total sample count of 0\n", inbasefilename);
 499                 return false;
 500         }
 501
 502         FLAC__ASSERT(spec->value_is_samples);
 503
 504         /* convert relative specifications to absolute */
 505         if(spec->is_relative) {
 506                 if(spec->value.samples <= 0)
 507                         spec->value.samples += (FLAC__int64)total_samples_in_input;
 508                 else
 509                         spec->value.samples += skip;
 510                 spec->is_relative = false;
 511         }
 512
 513         /* error check */
 514         if(spec->value.samples < 0) {
 515                 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before beginning of input\n", inbasefilename);
 516                 return false;
 517         }
 518         if((FLAC__uint64)spec->value.samples <= skip) {
 519                 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before --skip point\n", inbasefilename);
 520                 return false;
 521         }
 522         if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
 523                 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is after end of input\n", inbasefilename);
 524                 return false;
 525         }
 526
 527         return true;
 528 }
 529
 530 FLAC__bool write_iff_headers(FILE *f, DecoderSession *decoder_session, FLAC__uint64 samples)
 531 {
 532         const FileFormat format = decoder_session->format;
 533         const char *fmt_desc =
 534                 format==FORMAT_WAVE? "WAVE" :
 535                 format==FORMAT_WAVE64? "Wave64" :
 536                 format==FORMAT_RF64? "RF64" :
 537                 "AIFF";
 538         const FLAC__bool is_waveformatextensible =
 539                 (format == FORMAT_WAVE || format == FORMAT_WAVE64 || format == FORMAT_RF64) &&
 540                 (
 541                         decoder_session->channel_mask == 2 ||
 542                         decoder_session->channel_mask > 3 ||
 543                         decoder_session->bps%8 ||
 544                         decoder_session->channels > 2
 545                 );
 546         const FLAC__uint64 data_size = samples * decoder_session->channels * ((decoder_session->bps+7)/8);
 547         const FLAC__uint64 aligned_data_size =
 548                 format == FORMAT_WAVE64?
 549                         (data_size+7) & (~(FLAC__uint64)7) :
 550                         (data_size+1) & (~(FLAC__uint64)1);
 551
 552         FLAC__uint64 iff_size;
 553         unsigned foreign_metadata_size = 0; /* size of all non-audio non-fmt/COMM foreign metadata chunks */
 554         foreign_metadata_t *fm = decoder_session->foreign_metadata;
 555         size_t i;
 556
 557         FLAC__ASSERT(
 558                 format == FORMAT_WAVE ||
 559                 format == FORMAT_WAVE64 ||
 560                 format == FORMAT_RF64 ||
 561                 format == FORMAT_AIFF ||
 562                 format == FORMAT_AIFF_C
 563         );
 564
 565         if(samples == 0) {
 566                 if(f == stdout) {
 567                         flac__utils_printf(stderr, 1, "%s: WARNING, don't have accurate sample count available for %s header.\n", decoder_session->inbasefilename, fmt_desc);
 568                         flac__utils_printf(stderr, 1, "             Generated %s file will have a data chunk size of 0.  Try\n", fmt_desc);
 569                         flac__utils_printf(stderr, 1, "             decoding directly to a file instead.\n");
 570                         if(decoder_session->treat_warnings_as_errors)
 571                                 return false;
 572                 }
 573                 else {
 574                         decoder_session->iff_headers_need_fixup = true;
 575                 }
 576         }
 577
 578         if(fm) {
 579                 FLAC__ASSERT(fm->format_block);
 580                 FLAC__ASSERT(fm->audio_block);
 581                 FLAC__ASSERT(fm->format_block < fm->audio_block);
 582                 /* calc foreign metadata size; we always skip the first chunk, ds64 chunk, format chunk, and sound chunk since we write our own */
 583                 for(i = format==FORMAT_RF64?2:1; i < fm->num_blocks; i++) {
 584                         if(i != fm->format_block && i != fm->audio_block)
 585                                 foreign_metadata_size += fm->blocks[i].size;
 586                 }
 587         }
 588
 589         if(samples == 0)
 590                 iff_size = 0;
 591         else if(format == FORMAT_WAVE || format == FORMAT_RF64)
 592                 /* 4 for WAVE form bytes */
 593                 /* +{36,0} for ds64 chunk */
 594                 /* +8+{40,16} for fmt chunk header and body */
 595                 /* +8 for data chunk header */
 596                 iff_size = 4 + (format==FORMAT_RF64?36:0) + 8+(is_waveformatextensible?40:16) + 8 + foreign_metadata_size + aligned_data_size;
 597         else if(format == FORMAT_WAVE64)
 598                 /* 16+8 for RIFF GUID and size field */
 599                 /* +16 for WAVE GUID */
 600                 /* +16+8+{40,16} for fmt chunk header (GUID and size field) and body */
 601                 /* +16+8 for data chunk header (GUID and size field) */
 602                 iff_size = 16+8 + 16 + 16+8+(is_waveformatextensible?40:16) + 16+8 + foreign_metadata_size + aligned_data_size;
 603         else /* AIFF */
 604                 iff_size = 46 + foreign_metadata_size + aligned_data_size;
 605
 606         if(format != FORMAT_WAVE64 && format != FORMAT_RF64 && iff_size >= 0xFFFFFFF4) {
 607                 flac__utils_printf(stderr, 1, "%s: ERROR: stream is too big to fit in a single %s file\n", decoder_session->inbasefilename, fmt_desc);
 608                 return false;
 609         }
 610
 611         if(format == FORMAT_WAVE || format == FORMAT_WAVE64 || format == FORMAT_RF64) {
 612                 /* RIFF header */
 613                 switch(format) {
 614                         case FORMAT_WAVE:
 615                                 if(flac__utils_fwrite("RIFF", 1, 4, f) != 4)
 616                                         return false;
 617                                 if(!write_little_endian_uint32(f, (FLAC__uint32)iff_size)) /* filesize-8 */
 618                                         return false;
 619                                 if(flac__utils_fwrite("WAVE", 1, 4, f) != 4)
 620                                         return false;
 621                                 break;
 622                         case FORMAT_WAVE64:
 623                                 /* RIFF GUID 66666972-912E-11CF-A5D6-28DB04C10000 */
 624                                 if(flac__utils_fwrite("\x72\x69\x66\x66\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00", 1, 16, f) != 16)
 625                                         return false;
 626                                 if(!write_little_endian_uint64(f, iff_size))
 627                                         return false;
 628                                 /* WAVE GUID 65766177-ACF3-11D3-8CD1-00C04F8EDB8A */
 629                                 if(flac__utils_fwrite("\x77\x61\x76\x65\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16)
 630                                         return false;
 631                                 break;
 632                         case FORMAT_RF64:
 633                                 if(flac__utils_fwrite("RF64", 1, 4, f) != 4)
 634                                         return false;
 635                                 if(!write_little_endian_uint32(f, 0xffffffff))
 636                                         return false;
 637                                 if(flac__utils_fwrite("WAVE", 1, 4, f) != 4)
 638                                         return false;
 639                                 break;
 640                         default:
 641                                 return false;
 642                 }
 643
 644                 /* ds64 chunk for RF64 */
 645                 if(format == FORMAT_RF64) {
 646                         if(flac__utils_fwrite("ds64", 1, 4, f) != 4)
 647                                 return false;
 648
 649                         if(!write_little_endian_uint32(f, 28)) /* chunk size */
 650                                 return false;
 651
 652                         if(!write_little_endian_uint64(f, iff_size))
 653                                 return false;
 654
 655                         if(!write_little_endian_uint64(f, data_size))
 656                                 return false;
 657
 658                         if(!write_little_endian_uint64(f, samples)) /*@@@@@@ correct? */
 659                                 return false;
 660
 661                         if(!write_little_endian_uint32(f, 0)) /* table size */
 662                                 return false;
 663                 }
 664
 665                 decoder_session->fm_offset1 = ftello(f);
 666
 667                 if(fm) {
 668                         /* seek forward to {allocate} or {skip over already-written chunks} before "fmt " */
 669                         for(i = format==FORMAT_RF64?2:1; i < fm->format_block; i++) {
 670                                 if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) {
 671                                         flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata before \"fmt \"\n", decoder_session->inbasefilename);
 672                                         return false;
 673                                 }
 674                         }
 675                 }
 676
 677                 if(format != FORMAT_WAVE64) {
 678                         if(flac__utils_fwrite("fmt ", 1, 4, f) != 4)
 679                                 return false;
 680                         if(!write_little_endian_uint32(f, is_waveformatextensible? 40 : 16)) /* chunk size */
 681                                 return false;
 682                 }
 683                 else { /* Wave64 */
 684                         /* fmt GUID 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A */
 685                         if(flac__utils_fwrite("\x66\x6D\x74\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16)
 686                                 return false;
 687                         /* chunk size (+16+8 for GUID and size fields) */
 688                         if(!write_little_endian_uint64(f, 16+8+(is_waveformatextensible?40:16)))
 689                                 return false;
 690                 }
 691
 692                 if(!write_riff_wave_fmt_chunk_body(f, is_waveformatextensible, decoder_session->bps, decoder_session->channels, decoder_session->sample_rate, decoder_session->channel_mask))
 693                         return false;
 694
 695                 decoder_session->fm_offset2 = ftello(f);
 696
 697                 if(fm) {
 698                         /* seek forward to {allocate} or {skip over already-written chunks} after "fmt " but before "data" */
 699                         for(i = fm->format_block+1; i < fm->audio_block; i++) {
 700                                 if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) {
 701                                         flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata after \"fmt \"\n", decoder_session->inbasefilename);
 702                                         return false;
 703                                 }
 704                         }
 705                 }
 706
 707                 if(format != FORMAT_WAVE64) {
 708                         if(flac__utils_fwrite("data", 1, 4, f) != 4)
 709                                 return false;
 710                         if(!write_little_endian_uint32(f, format==FORMAT_RF64? 0xffffffff : (FLAC__uint32)data_size))
 711                                 return false;
 712                 }
 713                 else { /* Wave64 */
 714                         /* data GUID 61746164-ACF3-11D3-8CD1-00C04F8EDB8A */
 715                         if(flac__utils_fwrite("\x64\x61\x74\x61\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16)
 716                                 return false;
 717                         /* +16+8 for GUID and size fields */
 718                         if(!write_little_endian_uint64(f, 16+8 + data_size))
 719                                 return false;
 720                 }
 721
 722                 decoder_session->fm_offset3 = ftello(f) + aligned_data_size;
 723         }
 724         else {
 725                 if(flac__utils_fwrite("FORM", 1, 4, f) != 4)
 726                         return false;
 727
 728                 if(!write_big_endian_uint32(f, (FLAC__uint32)iff_size)) /* filesize-8 */
 729                         return false;
 730
 731                 if(flac__utils_fwrite("AIFF", 1, 4, f) != 4)
 732                         return false;
 733
 734                 decoder_session->fm_offset1 = ftello(f);
 735
 736                 if(fm) {
 737                         /* seek forward to {allocate} or {skip over already-written chunks} before "COMM" */
 738                         for(i = 1; i < fm->format_block; i++) {
 739                                 if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) {
 740                                         flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata before \"COMM\"\n", decoder_session->inbasefilename);
 741                                         return false;
 742                                 }
 743                         }
 744                 }
 745
 746                 if(!write_aiff_form_comm_chunk(f, samples, decoder_session->bps, decoder_session->channels, decoder_session->sample_rate))
 747                         return false;
 748
 749                 decoder_session->fm_offset2 = ftello(f);
 750
 751                 if(fm) {
 752                         /* seek forward to {allocate} or {skip over already-written chunks} after "COMM" but before "SSND" */
 753                         for(i = fm->format_block+1; i < fm->audio_block; i++) {
 754                                 if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) {
 755                                         flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata after \"COMM\"\n", decoder_session->inbasefilename);
 756                                         return false;
 757                                 }
 758                         }
 759                 }
 760
 761                 if(flac__utils_fwrite("SSND", 1, 4, f) != 4)
 762                         return false;
 763
 764                 if(!write_big_endian_uint32(f, (FLAC__uint32)data_size + 8)) /* data size */
 765                         return false;
 766
 767                 if(!write_big_endian_uint32(f, 0/*offset_size*/))
 768                         return false;
 769
 770                 if(!write_big_endian_uint32(f, 0/*block_size*/))
 771                         return false;
 772
 773                 decoder_session->fm_offset3 = ftello(f) + aligned_data_size;
 774         }
 775
 776         return true;
 777 }
 778
 779 FLAC__bool write_riff_wave_fmt_chunk_body(FILE *f, FLAC__bool is_waveformatextensible, unsigned bps, unsigned channels, unsigned sample_rate, FLAC__uint32 channel_mask)
 780 {
 781         if(!write_little_endian_uint16(f, (FLAC__uint16)(is_waveformatextensible? 65534 : 1))) /* compression code */
 782                 return false;
 783
 784         if(!write_little_endian_uint16(f, (FLAC__uint16)channels))
 785                 return false;
 786
 787         if(!write_little_endian_uint32(f, sample_rate))
 788                 return false;
 789
 790         if(!write_little_endian_uint32(f, sample_rate * channels * ((bps+7) / 8)))
 791                 return false;
 792
 793         if(!write_little_endian_uint16(f, (FLAC__uint16)(channels * ((bps+7) / 8)))) /* block align */
 794                 return false;
 795
 796         if(!write_little_endian_uint16(f, (FLAC__uint16)(((bps+7)/8)*8))) /* bits per sample */
 797                 return false;
 798
 799         if(is_waveformatextensible) {
 800                 if(!write_little_endian_uint16(f, (FLAC__uint16)22)) /* cbSize */
 801                         return false;
 802
 803                 if(!write_little_endian_uint16(f, (FLAC__uint16)bps)) /* validBitsPerSample */
 804                         return false;
 805
 806                 if(!write_little_endian_uint32(f, channel_mask))
 807                         return false;
 808
 809                 /* GUID = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} */
 810                 if(flac__utils_fwrite("\x01\x00\x00\x00\x00\x00\x10\x00\x80\x00\x00\xaa\x00\x38\x9b\x71", 1, 16, f) != 16)
 811                         return false;
 812         }
 813
 814         return true;
 815 }
 816
 817 FLAC__bool write_aiff_form_comm_chunk(FILE *f, FLAC__uint64 samples, unsigned bps, unsigned channels, unsigned sample_rate)
 818 {
 819         FLAC__ASSERT(samples <= 0xffffffff);
 820
 821         if(flac__utils_fwrite("COMM", 1, 4, f) != 4)
 822                 return false;
 823
 824         if(!write_big_endian_uint32(f, 18)) /* chunk size = 18 */
 825                 return false;
 826
 827         if(!write_big_endian_uint16(f, (FLAC__uint16)channels))
 828                 return false;
 829
 830         if(!write_big_endian_uint32(f, (FLAC__uint32)samples))
 831                 return false;
 832
 833         if(!write_big_endian_uint16(f, (FLAC__uint16)bps))
 834                 return false;
 835
 836         if(!write_sane_extended(f, sample_rate))
 837                 return false;
 838
 839         return true;
 840 }
 841
 842 FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 val)
 843 {
 844         FLAC__byte *b = (FLAC__byte*)(&val);
 845         if(is_big_endian_host_) {
 846                 FLAC__byte tmp;
 847                 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
 848         }
 849         return flac__utils_fwrite(b, 1, 2, f) == 2;
 850 }
 851
 852 FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 val)
 853 {
 854         FLAC__byte *b = (FLAC__byte*)(&val);
 855         if(is_big_endian_host_) {
 856                 FLAC__byte tmp;
 857                 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
 858                 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
 859         }
 860         return flac__utils_fwrite(b, 1, 4, f) == 4;
 861 }
 862
 863 FLAC__bool write_little_endian_uint64(FILE *f, FLAC__uint64 val)
 864 {
 865         FLAC__byte *b = (FLAC__byte*)(&val);
 866         if(is_big_endian_host_) {
 867                 FLAC__byte tmp;
 868                 tmp = b[7]; b[7] = b[0]; b[0] = tmp;
 869                 tmp = b[6]; b[6] = b[1]; b[1] = tmp;
 870                 tmp = b[5]; b[5] = b[2]; b[2] = tmp;
 871                 tmp = b[4]; b[4] = b[3]; b[3] = tmp;
 872         }
 873         return flac__utils_fwrite(b, 1, 8, f) == 8;
 874 }
 875
 876 FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 val)
 877 {
 878         FLAC__byte *b = (FLAC__byte*)(&val);
 879         if(!is_big_endian_host_) {
 880                 FLAC__byte tmp;
 881                 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
 882         }
 883         return flac__utils_fwrite(b, 1, 2, f) == 2;
 884 }
 885
 886 FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 val)
 887 {
 888         FLAC__byte *b = (FLAC__byte*)(&val);
 889         if(!is_big_endian_host_) {
 890                 FLAC__byte tmp;
 891                 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
 892                 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
 893         }
 894         return flac__utils_fwrite(b, 1, 4, f) == 4;
 895 }
 896
 897 FLAC__bool write_sane_extended(FILE *f, unsigned val)
 898         /* Write to 'f' a SANE extended representation of 'val'.  Return false if
 899         * the write succeeds; return true otherwise.
 900         *
 901         * SANE extended is an 80-bit IEEE-754 representation with sign bit, 15 bits
 902         * of exponent, and 64 bits of significand (mantissa).  Unlike most IEEE-754
 903         * representations, it does not imply a 1 above the MSB of the significand.
 904         *
 905         * Preconditions:
 906         *  val!=0U
 907         */
 908 {
 909         unsigned int shift, exponent;
 910
 911         FLAC__ASSERT(val!=0U); /* handling 0 would require a special case */
 912
 913         for(shift= 0U; (val>>(31-shift))==0U; ++shift)
 914                 ;
 915         val<<= shift;
 916         exponent= 63U-(shift+32U); /* add 32 for unused second word */
 917
 918         if(!write_big_endian_uint16(f, (FLAC__uint16)(exponent+0x3FFF)))
 919                 return false;
 920         if(!write_big_endian_uint32(f, val))
 921                 return false;
 922         if(!write_big_endian_uint32(f, 0)) /* unused second word */
 923                 return false;
 924
 925         return true;
 926 }
 927
 928 FLAC__bool fixup_iff_headers(DecoderSession *d)
 929 {
 930         const char *fmt_desc =
 931                 d->format==FORMAT_WAVE? "WAVE" :
 932                 d->format==FORMAT_WAVE64? "Wave64" :
 933                 d->format==FORMAT_RF64? "RF64" :
 934                 "AIFF";
 935         FILE *f = flac_fopen(d->outfilename, "r+b"); /* stream is positioned at beginning of file */
 936
 937         if(0 == f) {
 938                 flac__utils_printf(stderr, 1, "ERROR, couldn't open file %s while fixing up %s chunk size: %s\n", d->outfilename, fmt_desc, strerror(errno));
 939                 return false;
 940         }
 941
 942         if(!write_iff_headers(f, d, d->samples_processed)) {
 943                 fclose(f);
 944                 return false;
 945         }
 946
 947         fclose(f);
 948         return true;
 949 }
 950
 951 FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
 952 {
 953         DecoderSession *decoder_session = (DecoderSession*)client_data;
 954         FILE *fout = decoder_session->fout;
 955         const unsigned bps = frame->header.bits_per_sample, channels = frame->header.channels;
 956         const unsigned shift = (decoder_session->format != FORMAT_RAW && (bps%8))? 8-(bps%8): 0;
 957         FLAC__bool is_big_endian = (
 958                 decoder_session->format == FORMAT_AIFF || decoder_session->format == FORMAT_AIFF_C ? true : (
 959                 decoder_session->format == FORMAT_WAVE || decoder_session->format == FORMAT_WAVE64 || decoder_session->format == FORMAT_RF64 ? false :
 960                 decoder_session->is_big_endian
 961         ));
 962         FLAC__bool is_unsigned_samples = (
 963                 decoder_session->format == FORMAT_AIFF || decoder_session->format == FORMAT_AIFF_C ? false : (
 964                 decoder_session->format == FORMAT_WAVE || decoder_session->format == FORMAT_WAVE64 || decoder_session->format == FORMAT_RF64 ? bps<=8 :
 965                 decoder_session->is_unsigned_samples
 966         ));
 967         unsigned wide_samples = frame->header.blocksize, wide_sample, sample, channel;
 968         unsigned frame_bytes = 0;
 969         static FLAC__int8 s8buffer[FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS * sizeof(FLAC__int32)]; /* WATCHOUT: can be up to 2 megs */
 970         FLAC__uint8  *u8buffer  = (FLAC__uint8  *)s8buffer;
 971         FLAC__int16  *s16buffer = (FLAC__int16  *)s8buffer;
 972         FLAC__uint16 *u16buffer = (FLAC__uint16 *)s8buffer;
 973         FLAC__int32  *s32buffer = (FLAC__int32  *)s8buffer;
 974         FLAC__uint32 *u32buffer = (FLAC__uint32 *)s8buffer;
 975         size_t bytes_to_write = 0;
 976
 977         (void)decoder;
 978
 979         if(decoder_session->abort_flag)
 980                 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
 981
 982         /* sanity-check the bits-per-sample */
 983         if(decoder_session->bps) {
 984                 if(bps != decoder_session->bps) {
 985                         if(decoder_session->got_stream_info)
 986                                 flac__utils_printf(stderr, 1, "%s: ERROR, bits-per-sample is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, bps, decoder_session->bps);
 987                         else
 988                                 flac__utils_printf(stderr, 1, "%s: ERROR, bits-per-sample is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, bps, decoder_session->bps);
 989                         if(!decoder_session->continue_through_decode_errors)
 990                                 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
 991                 }
 992         }
 993         else {
 994                 /* must not have gotten STREAMINFO, save the bps from the frame header */
 995                 FLAC__ASSERT(!decoder_session->got_stream_info);
 996                 decoder_session->bps = bps;
 997         }
 998
 999         /* sanity-check the #channels */
1000         if(decoder_session->channels) {
1001                 if(channels != decoder_session->channels) {
1002                         if(decoder_session->got_stream_info)
1003                                 flac__utils_printf(stderr, 1, "%s: ERROR, channels is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, channels, decoder_session->channels);
1004                         else
1005                                 flac__utils_printf(stderr, 1, "%s: ERROR, channels is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, channels, decoder_session->channels);
1006                         if(!decoder_session->continue_through_decode_errors)
1007                                 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1008                 }
1009         }
1010         else {
1011                 /* must not have gotten STREAMINFO, save the #channels from the frame header */
1012                 FLAC__ASSERT(!decoder_session->got_stream_info);
1013                 decoder_session->channels = channels;
1014         }
1015
1016         /* sanity-check the sample rate */
1017         if(decoder_session->sample_rate) {
1018                 if(frame->header.sample_rate != decoder_session->sample_rate) {
1019                         if(decoder_session->got_stream_info)
1020                                 flac__utils_printf(stderr, 1, "%s: ERROR, sample rate is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, frame->header.sample_rate, decoder_session->sample_rate);
1021                         else
1022                                 flac__utils_printf(stderr, 1, "%s: ERROR, sample rate is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, frame->header.sample_rate, decoder_session->sample_rate);
1023                         if(!decoder_session->continue_through_decode_errors)
1024                                 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1025                 }
1026         }
1027         else {
1028                 /* must not have gotten STREAMINFO, save the sample rate from the frame header */
1029                 FLAC__ASSERT(!decoder_session->got_stream_info);
1030                 decoder_session->sample_rate = frame->header.sample_rate;
1031         }
1032
1033         /*
1034          * limit the number of samples to accept based on --until
1035          */
1036         FLAC__ASSERT(!decoder_session->skip_specification->is_relative);
1037         /* if we never got the total_samples from the metadata, the skip and until specs would never have been canonicalized, so protect against that: */
1038         if(decoder_session->skip_specification->is_relative) {
1039                 if(decoder_session->skip_specification->value.samples == 0) /* special case for when no --skip was given */
1040                         decoder_session->skip_specification->is_relative = false; /* convert to our meaning of beginning-of-stream */
1041                 else {
1042                         flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --skip because the total sample count was not found in the metadata\n", decoder_session->inbasefilename);
1043                         return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1044                 }
1045         }
1046         if(decoder_session->until_specification->is_relative) {
1047                 if(decoder_session->until_specification->value.samples == 0) /* special case for when no --until was given */
1048                         decoder_session->until_specification->is_relative = false; /* convert to our meaning of end-of-stream */
1049                 else {
1050                         flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until because the total sample count was not found in the metadata\n", decoder_session->inbasefilename);
1051                         return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1052                 }
1053         }
1054         FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0);
1055         FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0);
1056         if(decoder_session->until_specification->value.samples > 0) {
1057                 const FLAC__uint64 skip = (FLAC__uint64)decoder_session->skip_specification->value.samples;
1058                 const FLAC__uint64 until = (FLAC__uint64)decoder_session->until_specification->value.samples;
1059                 const FLAC__uint64 input_samples_passed = skip + decoder_session->samples_processed;
1060                 FLAC__ASSERT(until >= input_samples_passed);
1061                 if(input_samples_passed + wide_samples > until)
1062                         wide_samples = (unsigned)(until - input_samples_passed);
1063                 if (wide_samples == 0) {
1064                         decoder_session->abort_flag = true;
1065                         decoder_session->aborting_due_to_until = true;
1066                         return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1067                 }
1068         }
1069
1070         if(decoder_session->analysis_mode) {
1071                 FLAC__uint64 dpos;
1072                 FLAC__stream_decoder_get_decode_position(decoder_session->decoder, &dpos);
1073                 frame_bytes = (unsigned)(dpos-decoder_session->decode_position);
1074                 decoder_session->decode_position = dpos;
1075         }
1076
1077         if(wide_samples > 0) {
1078                 decoder_session->samples_processed += wide_samples;
1079                 decoder_session->frame_counter++;
1080
1081                 if(!(decoder_session->frame_counter & 0x3f))
1082                         print_stats(decoder_session);
1083
1084                 if(decoder_session->analysis_mode) {
1085                         flac__analyze_frame(frame, decoder_session->frame_counter-1, decoder_session->decode_position-frame_bytes, frame_bytes, decoder_session->aopts, fout);
1086                 }
1087                 else if(!decoder_session->test_only) {
1088                         if(shift && !decoder_session->replaygain.apply) {
1089                                 for(wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1090                                         for(channel = 0; channel < channels; channel++)
1091                                                 ((FLAC__int32**)buffer)[channel][wide_sample] <<= shift;/*@@@@@@un-const'ing the buffer is hacky but safe*/
1092                         }
1093                         if(decoder_session->replaygain.apply) {
1094                                 bytes_to_write = FLAC__replaygain_synthesis__apply_gain(
1095                                         u8buffer,
1096                                         !is_big_endian,
1097                                         is_unsigned_samples,
1098                                         buffer,
1099                                         wide_samples,
1100                                         channels,
1101                                         bps, /* source_bps */
1102                                         bps+shift, /* target_bps */
1103                                         decoder_session->replaygain.scale,
1104                                         decoder_session->replaygain.spec.limiter == RGSS_LIMIT__HARD, /* hard_limit */
1105                                         decoder_session->replaygain.spec.noise_shaping != NOISE_SHAPING_NONE, /* do_dithering */
1106                                         &decoder_session->replaygain.dither_context
1107                                 );
1108                         }
1109                         /* first some special code for common cases */
1110                         else if(is_big_endian == is_big_endian_host_ && !is_unsigned_samples && channels == 2 && bps+shift == 16) {
1111                                 FLAC__int16 *buf1_ = s16buffer + 1;
1112                                 if(is_big_endian)
1113                                         memcpy(s16buffer, ((FLAC__byte*)(buffer[0]))+2, sizeof(FLAC__int32) * wide_samples - 2);
1114                                 else
1115                                         memcpy(s16buffer, buffer[0], sizeof(FLAC__int32) * wide_samples);
1116                                 for(sample = 0; sample < wide_samples; sample++, buf1_+=2)
1117                                         *buf1_ = (FLAC__int16)buffer[1][sample];
1118                                 bytes_to_write = 4 * sample;
1119                         }
1120                         else if(is_big_endian == is_big_endian_host_ && !is_unsigned_samples && channels == 1 && bps+shift == 16) {
1121                                 FLAC__int16 *buf1_ = s16buffer;
1122                                 for(sample = 0; sample < wide_samples; sample++)
1123                                         *buf1_++ = (FLAC__int16)buffer[0][sample];
1124                                 bytes_to_write = 2 * sample;
1125                         }
1126                         /* generic code for the rest */
1127                         else if(bps+shift == 16) {
1128                                 if(is_unsigned_samples) {
1129                                         if(channels == 2) {
1130                                                 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) {
1131                                                         u16buffer[sample++] = (FLAC__uint16)(buffer[0][wide_sample] + 0x8000);
1132                                                         u16buffer[sample++] = (FLAC__uint16)(buffer[1][wide_sample] + 0x8000);
1133                                                 }
1134                                         }
1135                                         else if(channels == 1) {
1136                                                 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1137                                                         u16buffer[sample++] = (FLAC__uint16)(buffer[0][wide_sample] + 0x8000);
1138                                         }
1139                                         else { /* works for any 'channels' but above flavors are faster for 1 and 2 */
1140                                                 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1141                                                         for(channel = 0; channel < channels; channel++, sample++)
1142                                                                 u16buffer[sample] = (FLAC__uint16)(buffer[channel][wide_sample] + 0x8000);
1143                                         }
1144                                 }
1145                                 else {
1146                                         if(channels == 2) {
1147                                                 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) {
1148                                                         s16buffer[sample++] = (FLAC__int16)(buffer[0][wide_sample]);
1149                                                         s16buffer[sample++] = (FLAC__int16)(buffer[1][wide_sample]);
1150                                                 }
1151                                         }
1152                                         else if(channels == 1) {
1153                                                 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1154                                                         s16buffer[sample++] = (FLAC__int16)(buffer[0][wide_sample]);
1155                                         }
1156                                         else { /* works for any 'channels' but above flavors are faster for 1 and 2 */
1157                                                 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1158                                                         for(channel = 0; channel < channels; channel++, sample++)
1159                                                                 s16buffer[sample] = (FLAC__int16)(buffer[channel][wide_sample]);
1160                                         }
1161                                 }
1162                                 if(is_big_endian != is_big_endian_host_) {
1163                                         unsigned char tmp;
1164                                         const unsigned bytes = sample * 2;
1165                                         unsigned b;
1166                                         for(b = 0; b < bytes; b += 2) {
1167                                                 tmp = u8buffer[b];
1168                                                 u8buffer[b] = u8buffer[b+1];
1169                                                 u8buffer[b+1] = tmp;
1170                                         }
1171                                 }
1172                                 bytes_to_write = 2 * sample;
1173                         }
1174                         else if(bps+shift == 24) {
1175                                 if(is_unsigned_samples) {
1176                                         for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1177                                                 for(channel = 0; channel < channels; channel++, sample++)
1178                                                         u32buffer[sample] = buffer[channel][wide_sample] + 0x800000;
1179                                 }
1180                                 else {
1181                                         for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1182                                                 for(channel = 0; channel < channels; channel++, sample++)
1183                                                         s32buffer[sample] = buffer[channel][wide_sample];
1184                                 }
1185                                 if(is_big_endian != is_big_endian_host_) {
1186                                         unsigned char tmp;
1187                                         const unsigned bytes = sample * 4;
1188                                         unsigned b;
1189                                         for(b = 0; b < bytes; b += 4) {
1190                                                 tmp = u8buffer[b];
1191                                                 u8buffer[b] = u8buffer[b+3];
1192                                                 u8buffer[b+3] = tmp;
1193                                                 tmp = u8buffer[b+1];
1194                                                 u8buffer[b+1] = u8buffer[b+2];
1195                                                 u8buffer[b+2] = tmp;
1196                                         }
1197                                 }
1198                                 if(is_big_endian) {
1199                                         unsigned b, lbyte;
1200                                         const unsigned bytes = sample * 4;
1201                                         for(lbyte = b = 0; b < bytes; ) {
1202                                                 b++;
1203                                                 u8buffer[lbyte++] = u8buffer[b++];
1204                                                 u8buffer[lbyte++] = u8buffer[b++];
1205                                                 u8buffer[lbyte++] = u8buffer[b++];
1206                                         }
1207                                 }
1208                                 else {
1209                                         unsigned b, lbyte;
1210                                         const unsigned bytes = sample * 4;
1211                                         for(lbyte = b = 0; b < bytes; ) {
1212                                                 u8buffer[lbyte++] = u8buffer[b++];
1213                                                 u8buffer[lbyte++] = u8buffer[b++];
1214                                                 u8buffer[lbyte++] = u8buffer[b++];
1215                                                 b++;
1216                                         }
1217                                 }
1218                                 bytes_to_write = 3 * sample;
1219                         }
1220                         else if(bps+shift == 8) {
1221                                 if(is_unsigned_samples) {
1222                                         for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1223                                                 for(channel = 0; channel < channels; channel++, sample++)
1224                                                         u8buffer[sample] = (FLAC__uint8)(buffer[channel][wide_sample] + 0x80);
1225                                 }
1226                                 else {
1227                                         for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1228                                                 for(channel = 0; channel < channels; channel++, sample++)
1229                                                         s8buffer[sample] = (FLAC__int8)(buffer[channel][wide_sample]);
1230                                 }
1231                                 bytes_to_write = sample;
1232                         }
1233                         else {
1234                                 FLAC__ASSERT(0);
1235                                 /* double protection */
1236                                 decoder_session->abort_flag = true;
1237                                 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1238                         }
1239                 }
1240         }
1241         if(bytes_to_write > 0) {
1242                 if(flac__utils_fwrite(u8buffer, 1, bytes_to_write, fout) != bytes_to_write) {
1243                         /* if a pipe closed when writing to stdout, we let it go without an error message */
1244                         if(errno == EPIPE && decoder_session->fout == stdout)
1245                                 decoder_session->aborting_due_to_until = true;
1246                         decoder_session->abort_flag = true;
1247                         return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1248                 }
1249         }
1250         return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
1251 }
1252
1253 void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
1254 {
1255         DecoderSession *decoder_session = (DecoderSession*)client_data;
1256
1257         if(decoder_session->analysis_mode)
1258                 FLAC__stream_decoder_get_decode_position(decoder, &decoder_session->decode_position);
1259
1260         if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
1261                 FLAC__uint64 skip, until;
1262                 decoder_session->got_stream_info = true;
1263                 decoder_session->has_md5sum = memcmp(metadata->data.stream_info.md5sum, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16);
1264                 decoder_session->bps = metadata->data.stream_info.bits_per_sample;
1265                 decoder_session->channels = metadata->data.stream_info.channels;
1266                 decoder_session->sample_rate = metadata->data.stream_info.sample_rate;
1267
1268                 flac__utils_canonicalize_skip_until_specification(decoder_session->skip_specification, decoder_session->sample_rate);
1269                 FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0);
1270                 skip = (FLAC__uint64)decoder_session->skip_specification->value.samples;
1271
1272                 /* remember, metadata->data.stream_info.total_samples can be 0, meaning 'unknown' */
1273                 if(metadata->data.stream_info.total_samples > 0 && skip >= metadata->data.stream_info.total_samples) {
1274                         flac__utils_printf(stderr, 1, "%s: ERROR trying to --skip more samples than in stream\n", decoder_session->inbasefilename);
1275                         decoder_session->abort_flag = true;
1276                         return;
1277                 }
1278                 else if(metadata->data.stream_info.total_samples == 0 && skip > 0) {
1279                         flac__utils_printf(stderr, 1, "%s: ERROR, can't --skip when FLAC metadata has total sample count of 0\n", decoder_session->inbasefilename);
1280                         decoder_session->abort_flag = true;
1281                         return;
1282                 }
1283                 FLAC__ASSERT(skip == 0 || 0 == decoder_session->cue_specification);
1284                 decoder_session->total_samples = metadata->data.stream_info.total_samples - skip;
1285
1286                 /* note that we use metadata->data.stream_info.total_samples instead of decoder_session->total_samples */
1287                 if(!canonicalize_until_specification(decoder_session->until_specification, decoder_session->inbasefilename, decoder_session->sample_rate, skip, metadata->data.stream_info.total_samples)) {
1288                         decoder_session->abort_flag = true;
1289                         return;
1290                 }
1291                 FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0);
1292                 until = (FLAC__uint64)decoder_session->until_specification->value.samples;
1293
1294                 if(until > 0) {
1295                         FLAC__ASSERT(decoder_session->total_samples != 0);
1296                         FLAC__ASSERT(0 == decoder_session->cue_specification);
1297                         decoder_session->total_samples -= (metadata->data.stream_info.total_samples - until);
1298                 }
1299
1300                 if(decoder_session->bps < 4 || decoder_session->bps > 24) {
1301                         flac__utils_printf(stderr, 1, "%s: ERROR: bits per sample is %u, must be 4-24\n", decoder_session->inbasefilename, decoder_session->bps);
1302                         decoder_session->abort_flag = true;
1303                         return;
1304                 }
1305         }
1306         else if(metadata->type == FLAC__METADATA_TYPE_CUESHEET) {
1307                 /* remember, at this point, decoder_session->total_samples can be 0, meaning 'unknown' */
1308                 if(decoder_session->total_samples == 0) {
1309                         flac__utils_printf(stderr, 1, "%s: ERROR can't use --cue when FLAC metadata has total sample count of 0\n", decoder_session->inbasefilename);
1310                         decoder_session->abort_flag = true;
1311                         return;
1312                 }
1313
1314                 flac__utils_canonicalize_cue_specification(decoder_session->cue_specification, &metadata->data.cue_sheet, decoder_session->total_samples, decoder_session->skip_specification, decoder_session->until_specification);
1315
1316                 FLAC__ASSERT(!decoder_session->skip_specification->is_relative);
1317                 FLAC__ASSERT(decoder_session->skip_specification->value_is_samples);
1318
1319                 FLAC__ASSERT(!decoder_session->until_specification->is_relative);
1320                 FLAC__ASSERT(decoder_session->until_specification->value_is_samples);
1321
1322                 FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0);
1323                 FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0);
1324                 FLAC__ASSERT((FLAC__uint64)decoder_session->until_specification->value.samples <= decoder_session->total_samples);
1325                 FLAC__ASSERT(decoder_session->skip_specification->value.samples <= decoder_session->until_specification->value.samples);
1326
1327                 decoder_session->total_samples = decoder_session->until_specification->value.samples - decoder_session->skip_specification->value.samples;
1328         }
1329         else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
1330                 if (decoder_session->replaygain.spec.apply) {
1331                         double reference, gain, peak;
1332                         if (!(decoder_session->replaygain.apply = grabbag__replaygain_load_from_vorbiscomment(metadata, decoder_session->replaygain.spec.use_album_gain, /*strict=*/false, &reference, &gain, &peak))) {
1333                                 flac__utils_printf(stderr, 1, "%s: WARNING: can't get %s (or even %s) ReplayGain tags\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", decoder_session->replaygain.spec.use_album_gain? "track":"album");
1334                                 if(decoder_session->treat_warnings_as_errors) {
1335                                         decoder_session->abort_flag = true;
1336                                         return;
1337                                 }
1338                         }
1339                         else {
1340                                 const char *ls[] = { "no", "peak", "hard" };
1341                                 const char *ns[] = { "no", "low", "medium", "high" };
1342                                 decoder_session->replaygain.scale = grabbag__replaygain_compute_scale_factor(peak, gain, decoder_session->replaygain.spec.preamp, decoder_session->replaygain.spec.limiter == RGSS_LIMIT__PEAK);
1343                                 FLAC__ASSERT(decoder_session->bps > 0 && decoder_session->bps <= 32);
1344                                 FLAC__replaygain_synthesis__init_dither_context(&decoder_session->replaygain.dither_context, decoder_session->bps, decoder_session->replaygain.spec.noise_shaping);
1345                                 flac__utils_printf(stderr, 1, "%s: INFO: applying %s ReplayGain (gain=%0.2fdB+preamp=%0.1fdB, %s noise shaping, %s limiting) to output\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", gain, decoder_session->replaygain.spec.preamp, ns[decoder_session->replaygain.spec.noise_shaping], ls[decoder_session->replaygain.spec.limiter]);
1346                                 flac__utils_printf(stderr, 1, "%s: WARNING: applying ReplayGain is not lossless\n", decoder_session->inbasefilename);
1347                                 /* don't check if(decoder_session->treat_warnings_as_errors) because the user explicitly asked for it */
1348                         }
1349                 }
1350                 (void)flac__utils_get_channel_mask_tag(metadata, &decoder_session->channel_mask);
1351         }
1352 }
1353
1354 void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
1355 {
1356         DecoderSession *decoder_session = (DecoderSession*)client_data;
1357         (void)decoder;
1358         if(!decoder_session->error_callback_suppress_messages)
1359                 stats_print_name(1, decoder_session->inbasefilename);
1360                 flac__utils_printf(stderr, 1, "*** Got error code %d:%s\n", status, FLAC__StreamDecoderErrorStatusString[status]);
1361         if(!decoder_session->continue_through_decode_errors) {
1362                 /* if we got a sync error while looking for metadata, either it's not a FLAC file (more likely) or the file is corrupted */
1363                 if(
1364                         !decoder_session->error_callback_suppress_messages &&
1365                         status == FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC &&
1366                         FLAC__stream_decoder_get_state(decoder) == FLAC__STREAM_DECODER_SEARCH_FOR_METADATA
1367                 ) {
1368                         flac__utils_printf(stderr, 1,
1369                                 "\n"
1370                                 "The input file is either not a FLAC file or is corrupted.  If you are\n"
1371                                 "convinced it is a FLAC file, you can rerun the same command and add the\n"
1372                                 "-F parameter to try and recover as much as possible from the file.\n"
1373                         );
1374                         decoder_session->error_callback_suppress_messages = true;
1375                 }
1376                 else if(status == FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM)
1377                         decoder_session->aborting_due_to_unparseable = true;
1378                 decoder_session->abort_flag = true;
1379         }
1380 }
1381
1382 void print_error_with_init_status(const DecoderSession *d, const char *message, FLAC__StreamDecoderInitStatus init_status)
1383 {
1384         const int ilen = strlen(d->inbasefilename) + 1;
1385
1386         flac__utils_printf(stderr, 1, "\n%s: %s\n", d->inbasefilename, message);
1387
1388         flac__utils_printf(stderr, 1, "%*s init status = %s\n", ilen, "", FLAC__StreamDecoderInitStatusString[init_status]);
1389
1390         /* print out some more info for some errors: */
1391         if (init_status == FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE) {
1392                 flac__utils_printf(stderr, 1,
1393                         "\n"
1394                         "An error occurred opening the input file; it is likely that it does not exist\n"
1395                         "or is not readable.\n"
1396                 );
1397         }
1398 }
1399
1400 void print_error_with_state(const DecoderSession *d, const char *message)
1401 {
1402         const int ilen = strlen(d->inbasefilename) + 1;
1403
1404         flac__utils_printf(stderr, 1, "\n%s: %s\n", d->inbasefilename, message);
1405         flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", FLAC__stream_decoder_get_resolved_state_string(d->decoder));
1406
1407         /* print out some more info for some errors: */
1408         if (d->aborting_due_to_unparseable) {
1409                 flac__utils_printf(stderr, 1,
1410                         "\n"
1411                         "The FLAC stream may have been created by a more advanced encoder.  Try\n"
1412                         "  metaflac --show-vendor-tag %s\n"
1413                         "If the version number is greater than %s, this decoder is probably\n"
1414                         "not able to decode the file.  If the version number is not, the file\n"
1415                         "may be corrupted, or you may have found a bug.  In this case please\n"
1416                         "submit a bug report to\n"
1417                         "    http://sourceforge.net/bugs/?func=addbug&group_id=13478\n"
1418                         "Make sure to use the \"Monitor\" feature to monitor the bug status.\n",
1419                         d->inbasefilename, FLAC__VERSION_STRING
1420                 );
1421         }
1422 }
1423
1424 void print_stats(const DecoderSession *decoder_session)
1425 {
1426         if(flac__utils_verbosity_ >= 2) {
1427 #if defined _MSC_VER || defined __MINGW32__
1428                 /* with MSVC you have to spoon feed it the casting */
1429                 const double progress = (double)(FLAC__int64)decoder_session->samples_processed / (double)(FLAC__int64)decoder_session->total_samples * 100.0;
1430 #else
1431                 const double progress = (double)decoder_session->samples_processed / (double)decoder_session->total_samples * 100.0;
1432 #endif
1433
1434                 if(decoder_session->total_samples > 0) {
1435                         if ((unsigned)floor(progress + 0.5) == 100)
1436                                 return;
1437
1438                         stats_print_name(2, decoder_session->inbasefilename);
1439                         stats_print_info(2, "%s%u%% complete",
1440                                 decoder_session->test_only? "testing, " : decoder_session->analysis_mode? "analyzing, " : "",
1441                                 (unsigned)floor(progress + 0.5)
1442                         );
1443                 }
1444                 else {
1445                         stats_print_name(2, decoder_session->inbasefilename);
1446                         stats_print_info(2, "%s %" PRIu64 " samples",
1447                                 decoder_session->test_only? "tested" : decoder_session->analysis_mode? "analyzed" : "wrote",
1448                                 decoder_session->samples_processed
1449                         );
1450                 }
1451         }
1452 }