1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson
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.
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.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
32 #if !defined _MSC_VER && !defined __MINGW32__
33 /* unlink is in stdio.h in VC++ */
34 #include <unistd.h> /* for unlink() */
37 #include "share/alloc.h"
38 #include "share/grabbag.h"
39 #include "share/compat.h"
40 #include "share/safe_str.h"
44 #include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */
46 #include "vorbiscomment.h"
48 #if defined _MSC_VER || defined __MINGW32__
49 #define FLAC__STRCASECMP stricmp
51 #define FLAC__STRCASECMP strcasecmp
55 /*[JEC] was:#if HAVE_GETOPT_LONG*/
56 /*[JEC] see flac/include/share/getopt.h as to why the change */
59 # include "share/getopt.h"
62 static int do_it(void);
64 static FLAC__bool init_options(void);
65 static int parse_options(int argc, char *argv[]);
66 static int parse_option(int short_option, const char *long_option, const char *option_argument);
67 static void free_options(void);
68 static void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value);
69 static void add_compression_setting_string(compression_setting_type_t type, const char *value);
70 static void add_compression_setting_unsigned(compression_setting_type_t type, unsigned value);
72 static int usage_error(const char *message, ...);
73 static void short_usage(void);
74 static void show_version(void);
75 static void show_help(void);
76 static void show_explain(void);
77 static void format_mistake(const char *infilename, FileFormat wrong, FileFormat right);
79 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
80 static int decode_file(const char *infilename);
82 static const char *get_encoded_outfilename(const char *infilename);
83 static const char *get_decoded_outfilename(const char *infilename);
84 static const char *get_outfilename(const char *infilename, const char *suffix);
86 static void die(const char *message);
87 static int conditional_fclose(FILE *f);
88 static char *local_strdup(const char *source);
91 * share__getopt format struct; note that for long options with no
92 * short option equivalent we just set the 'val' field to 0.
94 static struct share__option long_options_[] = {
98 { "help" , share__no_argument, 0, 'h' },
99 { "explain" , share__no_argument, 0, 'H' },
100 { "version" , share__no_argument, 0, 'v' },
101 { "decode" , share__no_argument, 0, 'd' },
102 { "analyze" , share__no_argument, 0, 'a' },
103 { "test" , share__no_argument, 0, 't' },
104 { "stdout" , share__no_argument, 0, 'c' },
105 { "silent" , share__no_argument, 0, 's' },
106 { "totally-silent" , share__no_argument, 0, 0 },
107 { "warnings-as-errors" , share__no_argument, 0, 'w' },
108 { "force" , share__no_argument, 0, 'f' },
109 { "delete-input-file" , share__no_argument, 0, 0 },
110 { "preserve-modtime" , share__no_argument, 0, 0 },
111 { "keep-foreign-metadata" , share__no_argument, 0, 0 },
112 { "output-prefix" , share__required_argument, 0, 0 },
113 { "output-name" , share__required_argument, 0, 'o' },
114 { "skip" , share__required_argument, 0, 0 },
115 { "until" , share__required_argument, 0, 0 },
116 { "channel-map" , share__required_argument, 0, 0 }, /* undocumented */
121 { "decode-through-errors", share__no_argument, 0, 'F' },
122 { "cue" , share__required_argument, 0, 0 },
123 { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */
128 { "cuesheet" , share__required_argument, 0, 0 },
129 { "no-cued-seekpoints" , share__no_argument, 0, 0 },
130 { "picture" , share__required_argument, 0, 0 },
131 { "tag" , share__required_argument, 0, 'T' },
132 { "tag-from-file" , share__required_argument, 0, 0 },
133 { "compression-level-0" , share__no_argument, 0, '0' },
134 { "compression-level-1" , share__no_argument, 0, '1' },
135 { "compression-level-2" , share__no_argument, 0, '2' },
136 { "compression-level-3" , share__no_argument, 0, '3' },
137 { "compression-level-4" , share__no_argument, 0, '4' },
138 { "compression-level-5" , share__no_argument, 0, '5' },
139 { "compression-level-6" , share__no_argument, 0, '6' },
140 { "compression-level-7" , share__no_argument, 0, '7' },
141 { "compression-level-8" , share__no_argument, 0, '8' },
142 { "compression-level-9" , share__no_argument, 0, '9' },
143 { "best" , share__no_argument, 0, '8' },
144 { "fast" , share__no_argument, 0, '0' },
145 { "verify" , share__no_argument, 0, 'V' },
146 { "force-raw-format" , share__no_argument, 0, 0 },
147 { "force-aiff-format" , share__no_argument, 0, 0 },
148 { "force-rf64-format" , share__no_argument, 0, 0 },
149 { "force-wave64-format" , share__no_argument, 0, 0 },
150 { "lax" , share__no_argument, 0, 0 },
151 { "replay-gain" , share__no_argument, 0, 0 },
152 { "ignore-chunk-sizes" , share__no_argument, 0, 0 },
153 { "sector-align" , share__no_argument, 0, 0 }, /* DEPRECATED */
154 { "seekpoint" , share__required_argument, 0, 'S' },
155 { "padding" , share__required_argument, 0, 'P' },
157 { "ogg" , share__no_argument, 0, 0 },
158 { "serial-number" , share__required_argument, 0, 0 },
160 { "blocksize" , share__required_argument, 0, 'b' },
161 { "exhaustive-model-search" , share__no_argument, 0, 'e' },
162 { "max-lpc-order" , share__required_argument, 0, 'l' },
163 { "apodization" , share__required_argument, 0, 'A' },
164 { "mid-side" , share__no_argument, 0, 'm' },
165 { "adaptive-mid-side" , share__no_argument, 0, 'M' },
166 { "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
167 { "qlp-coeff-precision" , share__required_argument, 0, 'q' },
168 { "rice-partition-order" , share__required_argument, 0, 'r' },
169 { "endian" , share__required_argument, 0, 0 },
170 { "channels" , share__required_argument, 0, 0 },
171 { "bps" , share__required_argument, 0, 0 },
172 { "sample-rate" , share__required_argument, 0, 0 },
173 { "sign" , share__required_argument, 0, 0 },
174 { "input-size" , share__required_argument, 0, 0 },
179 { "residual-gnuplot", share__no_argument, 0, 0 },
180 { "residual-text", share__no_argument, 0, 0 },
185 { "no-preserve-modtime" , share__no_argument, 0, 0 },
186 { "no-decode-through-errors" , share__no_argument, 0, 0 },
187 { "no-silent" , share__no_argument, 0, 0 },
188 { "no-force" , share__no_argument, 0, 0 },
189 { "no-seektable" , share__no_argument, 0, 0 },
190 { "no-delete-input-file" , share__no_argument, 0, 0 },
191 { "no-keep-foreign-metadata" , share__no_argument, 0, 0 },
192 { "no-replay-gain" , share__no_argument, 0, 0 },
193 { "no-ignore-chunk-sizes" , share__no_argument, 0, 0 },
194 { "no-sector-align" , share__no_argument, 0, 0 }, /* DEPRECATED */
195 { "no-utf8-convert" , share__no_argument, 0, 0 },
196 { "no-lax" , share__no_argument, 0, 0 },
198 { "no-ogg" , share__no_argument, 0, 0 },
200 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
201 { "no-mid-side" , share__no_argument, 0, 0 },
202 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
203 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
204 { "no-padding" , share__no_argument, 0, 0 },
205 { "no-verify" , share__no_argument, 0, 0 },
206 { "no-warnings-as-errors" , share__no_argument, 0, 0 },
207 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
208 { "no-residual-text" , share__no_argument, 0, 0 },
210 * undocumented debugging options for the test suite
212 { "disable-constant-subframes", share__no_argument, 0, 0 },
213 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
214 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
215 { "no-md5-sum" , share__no_argument, 0, 0 },
222 * global to hold command-line option values
226 FLAC__bool show_help;
227 FLAC__bool show_explain;
228 FLAC__bool show_version;
229 FLAC__bool mode_decode;
231 FLAC__bool treat_warnings_as_errors;
232 FLAC__bool force_file_overwrite;
233 FLAC__bool continue_through_decode_errors;
234 replaygain_synthesis_spec_t replaygain_synthesis_spec;
236 FLAC__bool test_only;
239 FLAC__bool has_serial_number; /* true iff --serial-number was used */
240 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
241 FLAC__bool force_to_stdout;
242 FLAC__bool force_raw_format;
243 FLAC__bool force_aiff_format;
244 FLAC__bool force_rf64_format;
245 FLAC__bool force_wave64_format;
246 FLAC__bool delete_input;
247 FLAC__bool preserve_modtime;
248 FLAC__bool keep_foreign_metadata;
249 FLAC__bool replay_gain;
250 FLAC__bool ignore_chunk_sizes;
251 FLAC__bool sector_align;
252 FLAC__bool utf8_convert; /* true by default, to convert tag strings from locale to utf-8, false if --no-utf8-convert used */
253 const char *cmdline_forced_outfilename;
254 const char *output_prefix;
255 analysis_options aopts;
256 int padding; /* -1 => no -P options were given, 0 => -P- was given, else -P value */
257 size_t num_compression_settings;
258 compression_setting_t compression_settings[64]; /* bad MAGIC NUMBER but buffer overflow is checked */
259 const char *skip_specification;
260 const char *until_specification;
261 const char *cue_specification;
262 int format_is_big_endian;
263 int format_is_unsigned_samples;
266 int format_sample_rate;
267 FLAC__off_t format_input_size;
268 char requested_seek_points[5000]; /* bad MAGIC NUMBER but buffer overflow is checked */
269 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
270 const char *cuesheet_filename;
271 FLAC__bool cued_seekpoints;
272 FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */
277 FLAC__StreamMetadata *vorbis_comment;
278 FLAC__StreamMetadata *pictures[64];
279 unsigned num_pictures;
282 FLAC__bool disable_constant_subframes;
283 FLAC__bool disable_fixed_subframes;
284 FLAC__bool disable_verbatim_subframes;
291 * miscellaneous globals
294 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */ /* DEPRECATED */
295 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
296 static unsigned align_reservoir_samples = 0; /* 0 .. 587 */
299 int main(int argc, char *argv[])
304 _response(&argc, &argv);
305 _wildcard(&argc, &argv);
308 if (get_utf8_argv(&argc, &argv) != 0) {
309 fprintf(stderr, "ERROR: failed to convert command line parameters to UTF-8\n");
314 srand((unsigned)time(0));
315 setlocale(LC_ALL, "");
316 if(!init_options()) {
317 flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
321 if((retval = parse_options(argc, argv)) == 0)
334 if(option_values.show_version) {
338 else if(option_values.show_explain) {
342 else if(option_values.show_help) {
347 if(option_values.num_files == 0) {
348 if(flac__utils_verbosity_ >= 1)
354 * tweak options; validate the values
356 if(!option_values.mode_decode) {
357 if(0 != option_values.cue_specification)
358 return usage_error("ERROR: --cue is not allowed in test mode\n");
361 if(option_values.test_only) {
362 if(0 != option_values.skip_specification)
363 return usage_error("ERROR: --skip is not allowed in test mode\n");
364 if(0 != option_values.until_specification)
365 return usage_error("ERROR: --until is not allowed in test mode\n");
366 if(0 != option_values.cue_specification)
367 return usage_error("ERROR: --cue is not allowed in test mode\n");
368 if(0 != option_values.analyze)
369 return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n");
373 if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification))
374 return usage_error("ERROR: --cue may not be combined with --skip or --until\n");
376 if(option_values.format_channels >= 0) {
377 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
378 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
380 if(option_values.format_bps >= 0) {
381 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
382 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
384 if(option_values.format_sample_rate >= 0) {
385 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
386 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
388 if((option_values.force_raw_format?1:0) + (option_values.force_aiff_format?1:0) + (option_values.force_rf64_format?1:0) + (option_values.force_wave64_format?1:0) > 1)
389 return usage_error("ERROR: only one of --force-raw-format/--force-aiff-format/--force-rf64-format/--force-wave64-format allowed\n");
390 if(option_values.mode_decode) {
391 if(!option_values.force_raw_format) {
392 if(option_values.format_is_big_endian >= 0)
393 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
394 if(option_values.format_is_unsigned_samples >= 0)
395 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
397 if(option_values.format_channels >= 0)
398 return usage_error("ERROR: --channels not allowed with --decode\n");
399 if(option_values.format_bps >= 0)
400 return usage_error("ERROR: --bps not allowed with --decode\n");
401 if(option_values.format_sample_rate >= 0)
402 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
405 if(option_values.ignore_chunk_sizes) {
406 if(option_values.mode_decode)
407 return usage_error("ERROR: --ignore-chunk-sizes only allowed for encoding\n");
408 if(0 != option_values.sector_align)
409 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --sector-align\n");
410 if(0 != option_values.until_specification)
411 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --until\n");
412 if(0 != option_values.cue_specification)
413 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cue\n");
414 if(0 != option_values.cuesheet_filename)
415 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cuesheet\n");
417 if(option_values.sector_align) {
418 if(option_values.mode_decode)
419 return usage_error("ERROR: --sector-align only allowed for encoding\n");
420 if(0 != option_values.skip_specification)
421 return usage_error("ERROR: --sector-align not allowed with --skip\n");
422 if(0 != option_values.until_specification)
423 return usage_error("ERROR: --sector-align not allowed with --until\n");
424 if(0 != option_values.cue_specification)
425 return usage_error("ERROR: --sector-align not allowed with --cue\n");
426 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
427 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
428 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
429 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
430 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
431 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
433 if(option_values.replay_gain) {
434 if(option_values.force_to_stdout)
435 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
436 if(option_values.mode_decode)
437 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
438 if(option_values.format_channels > 2)
439 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
440 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
441 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
443 * We want to reserve padding space for the ReplayGain
444 * tags that we will set later, to avoid rewriting the
448 (option_values.padding >= 0 && option_values.padding < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED) ||
449 (option_values.padding < 0 && FLAC_ENCODE__DEFAULT_PADDING < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED)
451 flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
452 option_values.padding = GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
455 option_values.padding += GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
458 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
459 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
461 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
462 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
464 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
465 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
467 if(option_values.keep_foreign_metadata) {
468 /* we're not going to try and support the re-creation of broken WAVE files */
469 if(option_values.ignore_chunk_sizes)
470 return usage_error("ERROR: using --keep-foreign-metadata cannot be used with --ignore-chunk-sizes\n");
471 if(option_values.test_only)
472 return usage_error("ERROR: --keep-foreign-metadata is not allowed in test mode\n");
473 if(option_values.analyze)
474 return usage_error("ERROR: --keep-foreign-metadata is not allowed in analyis mode\n");
475 flac__utils_printf(stderr, 1, "NOTE: --keep-foreign-metadata is a new feature; make sure to test the output file before deleting the original.\n");
479 flac__utils_printf(stderr, 2, "\n");
480 flac__utils_printf(stderr, 2, "flac %s, Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson\n", FLAC__VERSION_STRING);
481 flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
482 flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
484 if(option_values.mode_decode) {
485 FLAC__bool first = true;
487 if(option_values.num_files == 0) {
488 retval = decode_file("-");
492 if(option_values.num_files > 1)
493 option_values.cmdline_forced_outfilename = 0;
494 for(i = 0, retval = 0; i < option_values.num_files; i++) {
495 if(0 == strcmp(option_values.filenames[i], "-") && !first)
497 retval |= decode_file(option_values.filenames[i]);
503 FLAC__bool first = true;
505 if(option_values.ignore_chunk_sizes)
506 flac__utils_printf(stderr, 1, "INFO: Make sure you know what you're doing when using --ignore-chunk-sizes.\n Improper use can cause flac to encode non-audio data as audio.\n");
508 if(option_values.num_files == 0) {
509 retval = encode_file("-", first, true);
513 if(option_values.num_files > 1)
514 option_values.cmdline_forced_outfilename = 0;
515 for(i = 0, retval = 0; i < option_values.num_files; i++) {
516 if(0 == strcmp(option_values.filenames[i], "-") && !first)
518 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
521 if(option_values.replay_gain && retval == 0) {
522 float album_gain, album_peak;
523 grabbag__replaygain_get_album(&album_gain, &album_peak);
524 for(i = 0; i < option_values.num_files; i++) {
525 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
526 if(0 == outfilename) {
527 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]);
530 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, option_values.preserve_modtime))) {
531 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags (%s)\n", outfilename, error);
542 FLAC__bool init_options(void)
544 option_values.show_help = false;
545 option_values.show_explain = false;
546 option_values.mode_decode = false;
547 option_values.verify = false;
548 option_values.treat_warnings_as_errors = false;
549 option_values.force_file_overwrite = false;
550 option_values.continue_through_decode_errors = false;
551 option_values.replaygain_synthesis_spec.apply = false;
552 option_values.replaygain_synthesis_spec.use_album_gain = true;
553 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
554 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
555 option_values.replaygain_synthesis_spec.preamp = 0.0;
556 option_values.lax = false;
557 option_values.test_only = false;
558 option_values.analyze = false;
559 option_values.use_ogg = false;
560 option_values.has_serial_number = false;
561 option_values.serial_number = 0;
562 option_values.force_to_stdout = false;
563 option_values.force_raw_format = false;
564 option_values.force_aiff_format = false;
565 option_values.force_rf64_format = false;
566 option_values.force_wave64_format = false;
567 option_values.delete_input = false;
568 option_values.preserve_modtime = true;
569 option_values.keep_foreign_metadata = false;
570 option_values.replay_gain = false;
571 option_values.ignore_chunk_sizes = false;
572 option_values.sector_align = false;
573 option_values.utf8_convert = true;
574 option_values.cmdline_forced_outfilename = 0;
575 option_values.output_prefix = 0;
576 option_values.aopts.do_residual_text = false;
577 option_values.aopts.do_residual_gnuplot = false;
578 option_values.padding = -1;
579 option_values.num_compression_settings = 1;
580 option_values.compression_settings[0].type = CST_COMPRESSION_LEVEL;
581 option_values.compression_settings[0].value.t_unsigned = 5;
582 option_values.skip_specification = 0;
583 option_values.until_specification = 0;
584 option_values.cue_specification = 0;
585 option_values.format_is_big_endian = -1;
586 option_values.format_is_unsigned_samples = -1;
587 option_values.format_channels = -1;
588 option_values.format_bps = -1;
589 option_values.format_sample_rate = -1;
590 option_values.format_input_size = (FLAC__off_t)(-1);
591 option_values.requested_seek_points[0] = '\0';
592 option_values.num_requested_seek_points = -1;
593 option_values.cuesheet_filename = 0;
594 option_values.cued_seekpoints = true;
595 option_values.channel_map_none = false;
597 option_values.num_files = 0;
598 option_values.filenames = 0;
600 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
602 option_values.num_pictures = 0;
604 option_values.debug.disable_constant_subframes = false;
605 option_values.debug.disable_fixed_subframes = false;
606 option_values.debug.disable_verbatim_subframes = false;
607 option_values.debug.do_md5 = true;
612 int parse_options(int argc, char *argv[])
615 int option_index = 1;
616 FLAC__bool had_error = false;
617 const char *short_opts = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vVw";
619 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
620 switch (short_option) {
621 case 0: /* long option with no equivalent short option */
622 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
628 default: /* short option */
629 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
638 FLAC__ASSERT(share__optind <= argc);
640 option_values.num_files = argc - share__optind;
642 if(option_values.num_files > 0) {
644 if(0 == (option_values.filenames = malloc(sizeof(char*) * option_values.num_files)))
645 die("out of memory allocating space for file names list");
646 while(share__optind < argc)
647 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
653 int parse_option(int short_option, const char *long_option, const char *option_argument)
655 const char *violation;
657 if(short_option == 0) {
658 FLAC__ASSERT(0 != long_option);
659 if(0 == strcmp(long_option, "totally-silent")) {
660 flac__utils_verbosity_ = 0;
662 else if(0 == strcmp(long_option, "delete-input-file")) {
663 option_values.delete_input = true;
665 else if(0 == strcmp(long_option, "preserve-modtime")) {
666 option_values.preserve_modtime = true;
668 else if(0 == strcmp(long_option, "keep-foreign-metadata")) {
669 option_values.keep_foreign_metadata = true;
671 else if(0 == strcmp(long_option, "output-prefix")) {
672 FLAC__ASSERT(0 != option_argument);
673 option_values.output_prefix = option_argument;
675 else if(0 == strcmp(long_option, "skip")) {
676 FLAC__ASSERT(0 != option_argument);
677 option_values.skip_specification = option_argument;
679 else if(0 == strcmp(long_option, "until")) {
680 FLAC__ASSERT(0 != option_argument);
681 option_values.until_specification = option_argument;
683 else if(0 == strcmp(long_option, "input-size")) {
684 FLAC__ASSERT(0 != option_argument);
688 ix = strtoll(option_argument, &end, 10);
689 if(0 == strlen(option_argument) || *end)
690 return usage_error("ERROR: --%s must be a number\n", long_option);
691 option_values.format_input_size = (FLAC__off_t)ix;
692 if(option_values.format_input_size != ix) /* check if FLAC__off_t is smaller than long long */
693 return usage_error("ERROR: --%s too large; this build of flac does not support filesizes over 2GB\n", long_option);
694 if(option_values.format_input_size <= 0)
695 return usage_error("ERROR: --%s must be > 0\n", long_option);
698 else if(0 == strcmp(long_option, "cue")) {
699 FLAC__ASSERT(0 != option_argument);
700 option_values.cue_specification = option_argument;
702 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
703 option_values.replaygain_synthesis_spec.apply = true;
704 if (0 != option_argument) {
706 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
707 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
708 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
711 option_values.replaygain_synthesis_spec.use_album_gain = true;
713 option_values.replaygain_synthesis_spec.use_album_gain = false;
715 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
717 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
718 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
719 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
723 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
727 else if(0 == strcmp(long_option, "channel-map")) {
728 if (0 == option_argument || strcmp(option_argument, "none"))
729 return usage_error("ERROR: only --channel-map=none currently supported\n");
730 option_values.channel_map_none = true;
732 else if(0 == strcmp(long_option, "cuesheet")) {
733 FLAC__ASSERT(0 != option_argument);
734 option_values.cuesheet_filename = option_argument;
736 else if(0 == strcmp(long_option, "picture")) {
737 const unsigned max_pictures = sizeof(option_values.pictures)/sizeof(option_values.pictures[0]);
738 FLAC__ASSERT(0 != option_argument);
739 if(option_values.num_pictures >= max_pictures)
740 return usage_error("ERROR: too many --picture arguments, only %u allowed\n", max_pictures);
741 if(0 == (option_values.pictures[option_values.num_pictures] = grabbag__picture_parse_specification(option_argument, &violation)))
742 return usage_error("ERROR: (--picture) %s\n", violation);
743 option_values.num_pictures++;
745 else if(0 == strcmp(long_option, "tag-from-file")) {
746 FLAC__ASSERT(0 != option_argument);
747 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, /*raw=*/!option_values.utf8_convert, &violation))
748 return usage_error("ERROR: (--tag-from-file) %s\n", violation);
750 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
751 option_values.cued_seekpoints = false;
753 else if(0 == strcmp(long_option, "force-raw-format")) {
754 option_values.force_raw_format = true;
756 else if(0 == strcmp(long_option, "force-aiff-format")) {
757 option_values.force_aiff_format = true;
759 else if(0 == strcmp(long_option, "force-rf64-format")) {
760 option_values.force_rf64_format = true;
762 else if(0 == strcmp(long_option, "force-wave64-format")) {
763 option_values.force_wave64_format = true;
765 else if(0 == strcmp(long_option, "lax")) {
766 option_values.lax = true;
768 else if(0 == strcmp(long_option, "replay-gain")) {
769 option_values.replay_gain = true;
771 else if(0 == strcmp(long_option, "ignore-chunk-sizes")) {
772 option_values.ignore_chunk_sizes = true;
774 else if(0 == strcmp(long_option, "sector-align")) {
775 flac__utils_printf(stderr, 1, "WARNING: --sector-align is DEPRECATED and may not exist in future versions of flac.\n");
776 flac__utils_printf(stderr, 1, " shntool provides similar functionality\n");
777 option_values.sector_align = true;
780 else if(0 == strcmp(long_option, "ogg")) {
781 option_values.use_ogg = true;
783 else if(0 == strcmp(long_option, "serial-number")) {
784 option_values.has_serial_number = true;
785 option_values.serial_number = atol(option_argument);
788 else if(0 == strcmp(long_option, "endian")) {
789 FLAC__ASSERT(0 != option_argument);
790 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
791 option_values.format_is_big_endian = true;
792 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
793 option_values.format_is_big_endian = false;
795 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
797 else if(0 == strcmp(long_option, "channels")) {
798 FLAC__ASSERT(0 != option_argument);
799 option_values.format_channels = atoi(option_argument);
801 else if(0 == strcmp(long_option, "bps")) {
802 FLAC__ASSERT(0 != option_argument);
803 option_values.format_bps = atoi(option_argument);
805 else if(0 == strcmp(long_option, "sample-rate")) {
806 FLAC__ASSERT(0 != option_argument);
807 option_values.format_sample_rate = atoi(option_argument);
809 else if(0 == strcmp(long_option, "sign")) {
810 FLAC__ASSERT(0 != option_argument);
811 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
812 option_values.format_is_unsigned_samples = false;
813 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
814 option_values.format_is_unsigned_samples = true;
816 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
818 else if(0 == strcmp(long_option, "residual-gnuplot")) {
819 option_values.aopts.do_residual_gnuplot = true;
821 else if(0 == strcmp(long_option, "residual-text")) {
822 option_values.aopts.do_residual_text = true;
827 else if(0 == strcmp(long_option, "no-preserve-modtime")) {
828 option_values.preserve_modtime = false;
830 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
831 option_values.continue_through_decode_errors = false;
833 else if(0 == strcmp(long_option, "no-silent")) {
834 flac__utils_verbosity_ = 2;
836 else if(0 == strcmp(long_option, "no-force")) {
837 option_values.force_file_overwrite = false;
839 else if(0 == strcmp(long_option, "no-seektable")) {
840 option_values.num_requested_seek_points = 0;
841 option_values.requested_seek_points[0] = '\0';
843 else if(0 == strcmp(long_option, "no-delete-input-file")) {
844 option_values.delete_input = false;
846 else if(0 == strcmp(long_option, "no-keep-foreign-metadata")) {
847 option_values.keep_foreign_metadata = false;
849 else if(0 == strcmp(long_option, "no-replay-gain")) {
850 option_values.replay_gain = false;
852 else if(0 == strcmp(long_option, "no-ignore-chunk-sizes")) {
853 option_values.ignore_chunk_sizes = false;
855 else if(0 == strcmp(long_option, "no-sector-align")) {
856 option_values.sector_align = false;
858 else if(0 == strcmp(long_option, "no-utf8-convert")) {
859 option_values.utf8_convert = false;
861 else if(0 == strcmp(long_option, "no-lax")) {
862 option_values.lax = false;
865 else if(0 == strcmp(long_option, "no-ogg")) {
866 option_values.use_ogg = false;
869 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
870 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, false);
872 else if(0 == strcmp(long_option, "no-mid-side")) {
873 add_compression_setting_bool(CST_DO_MID_SIDE, false);
874 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
876 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
877 add_compression_setting_bool(CST_DO_MID_SIDE, false);
878 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
880 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
881 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, false);
883 else if(0 == strcmp(long_option, "no-padding")) {
884 option_values.padding = 0;
886 else if(0 == strcmp(long_option, "no-verify")) {
887 option_values.verify = false;
889 else if(0 == strcmp(long_option, "no-warnings-as-errors")) {
890 option_values.treat_warnings_as_errors = false;
892 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
893 option_values.aopts.do_residual_gnuplot = false;
895 else if(0 == strcmp(long_option, "no-residual-text")) {
896 option_values.aopts.do_residual_text = false;
898 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
899 option_values.debug.disable_constant_subframes = true;
901 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
902 option_values.debug.disable_fixed_subframes = true;
904 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
905 option_values.debug.disable_verbatim_subframes = true;
907 else if(0 == strcmp(long_option, "no-md5-sum")) {
908 option_values.debug.do_md5 = false;
912 switch(short_option) {
914 option_values.show_help = true;
917 option_values.show_explain = true;
920 option_values.show_version = true;
923 option_values.mode_decode = true;
926 option_values.mode_decode = true;
927 option_values.analyze = true;
930 option_values.mode_decode = true;
931 option_values.test_only = true;
934 option_values.force_to_stdout = true;
937 flac__utils_verbosity_ = 1;
940 option_values.force_file_overwrite = true;
943 FLAC__ASSERT(0 != option_argument);
944 option_values.cmdline_forced_outfilename = option_argument;
947 option_values.continue_through_decode_errors = true;
950 FLAC__ASSERT(0 != option_argument);
951 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/false, /*raw=*/!option_values.utf8_convert, &violation))
952 return usage_error("ERROR: (-T/--tag) %s\n", violation);
963 add_compression_setting_unsigned(CST_COMPRESSION_LEVEL, short_option-'0');
966 return usage_error("ERROR: compression level '9' is reserved\n");
968 option_values.verify = true;
971 option_values.treat_warnings_as_errors = true;
974 FLAC__ASSERT(0 != option_argument);
975 if(0 == strcmp(option_argument, "-")) {
976 option_values.num_requested_seek_points = 0;
977 option_values.requested_seek_points[0] = '\0';
980 if(option_values.num_requested_seek_points < 0)
981 option_values.num_requested_seek_points = 0;
982 option_values.num_requested_seek_points++;
983 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
984 return usage_error("ERROR: too many seekpoints requested\n");
987 size_t len = strlen(option_values.requested_seek_points);
988 flac_snprintf(option_values.requested_seek_points+len, sizeof(option_values.requested_seek_points) - len, "%s;", option_argument);
993 FLAC__ASSERT(0 != option_argument);
994 option_values.padding = atoi(option_argument);
995 if(option_values.padding < 0)
996 return usage_error("ERROR: argument to -%c must be >= 0; for no padding use -%c-\n", short_option, short_option);
1001 FLAC__ASSERT(0 != option_argument);
1002 i = atoi(option_argument);
1003 if((i < (int)FLAC__MIN_BLOCK_SIZE || i > (int)FLAC__MAX_BLOCK_SIZE))
1004 return usage_error("ERROR: invalid blocksize (-%c) '%d', must be >= %u and <= %u\n", short_option, i, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE);
1005 add_compression_setting_unsigned(CST_BLOCKSIZE, (unsigned)i);
1009 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, true);
1012 add_compression_setting_bool(CST_DO_ESCAPE_CODING, true);
1017 FLAC__ASSERT(0 != option_argument);
1018 i = atoi(option_argument);
1019 if(i > FLAC__MAX_LPC_ORDER)
1020 return usage_error("ERROR: invalid LPC order (-%c) '%d', must be >= %u and <= %u\n", short_option, i, 0, FLAC__MAX_LPC_ORDER);
1021 add_compression_setting_unsigned(CST_MAX_LPC_ORDER, i);
1025 FLAC__ASSERT(0 != option_argument);
1026 add_compression_setting_string(CST_APODIZATION, option_argument);
1029 add_compression_setting_bool(CST_DO_MID_SIDE, true);
1030 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
1033 add_compression_setting_bool(CST_DO_MID_SIDE, true);
1034 add_compression_setting_bool(CST_LOOSE_MID_SIDE, true);
1037 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, true);
1042 FLAC__ASSERT(0 != option_argument);
1043 i = atoi(option_argument);
1044 if((i > 0 && (i < FLAC__MIN_QLP_COEFF_PRECISION || i > FLAC__MAX_QLP_COEFF_PRECISION)))
1045 return usage_error("ERROR: invalid value '%d' for qlp coeff precision (-%c), must be 0 or between %u and %u, inclusive\n", i, short_option, FLAC__MIN_QLP_COEFF_PRECISION, FLAC__MAX_QLP_COEFF_PRECISION);
1046 add_compression_setting_unsigned(CST_QLP_COEFF_PRECISION, i);
1053 FLAC__ASSERT(0 != option_argument);
1054 p = strchr(option_argument, ',');
1056 add_compression_setting_unsigned(CST_MIN_RESIDUAL_PARTITION_ORDER, 0);
1057 i = atoi(option_argument);
1058 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1059 return usage_error("ERROR: invalid value '%d' for residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER);
1060 add_compression_setting_unsigned(CST_MAX_RESIDUAL_PARTITION_ORDER, i);
1063 i = atoi(option_argument);
1064 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1065 return usage_error("ERROR: invalid value '%d' for min residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER);
1066 add_compression_setting_unsigned(CST_MIN_RESIDUAL_PARTITION_ORDER, i);
1068 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1069 return usage_error("ERROR: invalid value '%d' for max residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER);
1070 add_compression_setting_unsigned(CST_MAX_RESIDUAL_PARTITION_ORDER, i);
1077 i = atoi(option_argument);
1078 add_compression_setting_unsigned(CST_RICE_PARAMETER_SEARCH_DIST, i);
1089 void free_options(void)
1092 if(0 != option_values.filenames) {
1093 for(i = 0; i < option_values.num_files; i++) {
1094 if(0 != option_values.filenames[i])
1095 free(option_values.filenames[i]);
1097 free(option_values.filenames);
1099 if(0 != option_values.vorbis_comment)
1100 FLAC__metadata_object_delete(option_values.vorbis_comment);
1101 for(i = 0; i < option_values.num_pictures; i++)
1102 FLAC__metadata_object_delete(option_values.pictures[i]);
1105 void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value)
1107 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1108 die("too many compression settings");
1109 option_values.compression_settings[option_values.num_compression_settings].type = type;
1110 option_values.compression_settings[option_values.num_compression_settings].value.t_bool = value;
1111 option_values.num_compression_settings++;
1114 void add_compression_setting_string(compression_setting_type_t type, const char *value)
1116 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1117 die("too many compression settings");
1118 option_values.compression_settings[option_values.num_compression_settings].type = type;
1119 option_values.compression_settings[option_values.num_compression_settings].value.t_string = value;
1120 option_values.num_compression_settings++;
1123 void add_compression_setting_unsigned(compression_setting_type_t type, unsigned value)
1125 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1126 die("too many compression settings");
1127 option_values.compression_settings[option_values.num_compression_settings].type = type;
1128 option_values.compression_settings[option_values.num_compression_settings].value.t_unsigned = value;
1129 option_values.num_compression_settings++;
1132 int usage_error(const char *message, ...)
1134 if(flac__utils_verbosity_ >= 1) {
1137 FLAC__ASSERT(0 != message);
1139 va_start(args, message);
1141 (void) vfprintf(stderr, message, args);
1145 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1151 void show_version(void)
1153 printf("flac %s\n", FLAC__VERSION_STRING);
1156 static void usage_header(void)
1158 printf("===============================================================================\n");
1159 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1160 printf("Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson\n");
1162 printf("This program is free software; you can redistribute it and/or\n");
1163 printf("modify it under the terms of the GNU General Public License\n");
1164 printf("as published by the Free Software Foundation; either version 2\n");
1165 printf("of the License, or (at your option) any later version.\n");
1167 printf("This program is distributed in the hope that it will be useful,\n");
1168 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1169 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1170 printf("GNU General Public License for more details.\n");
1172 printf("You should have received a copy of the GNU General Public License along\n");
1173 printf("with this program; if not, write to the Free Software Foundation, Inc.,\n");
1174 printf("51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\n");
1175 printf("===============================================================================\n");
1178 static void usage_summary(void)
1182 printf(" Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]\n");
1183 printf(" Decoding: flac -d [<general-options>] [<format-options>] [FLACFILE [...]]\n");
1184 printf(" Testing: flac -t [<general-options>] [FLACFILE [...]]\n");
1185 printf("Analyzing: flac -a [<general-options>] [<analysis-options>] [FLACFILE [...]]\n");
1187 printf("Be sure to read the list of known bugs at:\n");
1188 printf("http://flac.sourceforge.net/documentation_bugs.html\n");
1192 void short_usage(void)
1196 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1197 printf("instructions use 'flac --explain'\n");
1199 printf("Be sure to read the list of known bugs at:\n");
1200 printf("http://flac.sourceforge.net/documentation_bugs.html\n");
1202 printf("To encode:\n");
1203 printf(" flac [-#] [INPUTFILE [...]]\n");
1205 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1207 printf("To decode:\n");
1208 printf(" flac -d [INPUTFILE [...]]\n");
1210 printf("To test:\n");
1211 printf(" flac -t [INPUTFILE [...]]\n");
1214 void show_help(void)
1218 printf("general options:\n");
1219 printf(" -v, --version Show the flac version number\n");
1220 printf(" -h, --help Show this screen\n");
1221 printf(" -H, --explain Show detailed explanation of usage and options\n");
1222 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1223 printf(" -t, --test Same as -d except no decoded file is written\n");
1224 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1225 printf(" -c, --stdout Write output to stdout\n");
1226 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1227 printf(" --totally-silent Do not print anything, including errors\n");
1228 printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8\n");
1229 printf(" -w, --warnings-as-errors Treat all warnings as errors\n");
1230 printf(" -f, --force Force overwriting of output files\n");
1231 printf(" -o, --output-name=FILENAME Force the output file name\n");
1232 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1233 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1234 printf(" --preserve-modtime Output files keep timestamp of input (default)\n");
1235 printf(" --keep-foreign-metadata Save/restore WAVE or AIFF non-audio chunks\n");
1236 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1237 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1239 printf(" --ogg Use Ogg as transport layer\n");
1240 printf(" --serial-number Serial number to use for the FLAC stream\n");
1242 printf("analysis options:\n");
1243 printf(" --residual-text Include residual signal in text output\n");
1244 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1245 printf("decoding options:\n");
1246 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1247 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n");
1248 printf("encoding options:\n");
1249 printf(" -V, --verify Verify a correct encoding\n");
1250 printf(" --lax Allow encoder to generate non-Subset files\n");
1251 printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files\n");
1252 printf(" --sector-align (DEPRECATED) Align multiple files on sector boundaries\n");
1253 printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n");
1254 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1255 printf(" --picture=SPECIFICATION Import picture and store in PICTURE block\n");
1256 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n");
1257 printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\n");
1258 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1259 printf(" -P, --padding=# Write a PADDING block of length #\n");
1260 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n");
1261 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n");
1262 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1263 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n");
1264 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n");
1265 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n");
1266 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n");
1267 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4096 -m -e -r 6\n");
1268 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -e -r 6\n");
1269 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1270 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1271 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1272 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1273 printf(" -A, --apodization=\"function\" Window audio data with given the function\n");
1274 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1275 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1276 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1277 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1278 printf("format options:\n");
1279 printf(" --endian={big|little} Set byte order for samples\n");
1280 printf(" --channels=# Number of channels\n");
1281 printf(" --bps=# Number of bits per sample\n");
1282 printf(" --sample-rate=# Sample rate in Hz\n");
1283 printf(" --sign={signed|unsigned} Sign of samples\n");
1284 printf(" --input-size=# Size of the raw input in bytes\n");
1285 printf(" --force-raw-format Treat input or output as raw samples\n");
1286 printf(" --force-aiff-format Force decoding to AIFF format\n");
1287 printf(" --force-rf64-format Force decoding to RF64 format\n");
1288 printf(" --force-wave64-format Force decoding to Wave64 format\n");
1289 printf("negative options:\n");
1290 printf(" --no-adaptive-mid-side\n");
1291 printf(" --no-cued-seekpoints\n");
1292 printf(" --no-decode-through-errors\n");
1293 printf(" --no-delete-input-file\n");
1294 printf(" --no-preserve-modtime\n");
1295 printf(" --no-keep-foreign-metadata\n");
1296 printf(" --no-exhaustive-model-search\n");
1297 printf(" --no-lax\n");
1298 printf(" --no-mid-side\n");
1300 printf(" --no-ogg\n");
1302 printf(" --no-padding\n");
1303 printf(" --no-qlp-coeff-prec-search\n");
1304 printf(" --no-replay-gain\n");
1305 printf(" --no-residual-gnuplot\n");
1306 printf(" --no-residual-text\n");
1307 printf(" --no-ignore-chunk-sizes\n");
1308 printf(" --no-sector-align\n");
1309 printf(" --no-seektable\n");
1310 printf(" --no-silent\n");
1311 printf(" --no-force\n");
1312 printf(" --no-verify\n");
1313 printf(" --no-warnings-as-errors\n");
1316 void show_explain(void)
1320 printf("For encoding:\n");
1321 printf(" The input file(s) may be a PCM WAVE or RF64 file, AIFF (or uncompressed\n");
1322 printf(" AIFF-C) file, or raw samples.\n");
1323 printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n");
1324 printf("For decoding, the reverse is true.\n");
1326 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1327 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1328 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1329 printf("instead of:\n");
1330 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1331 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1332 printf("WAVE/AIFF header contents when necessary.\n");
1334 printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
1335 printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n");
1336 printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
1337 printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n");
1338 printf("files using -fr.\n");
1340 printf("general options:\n");
1341 printf(" -v, --version Show the flac version number\n");
1342 printf(" -h, --help Show basic usage a list of all options\n");
1343 printf(" -H, --explain Show this screen\n");
1344 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1345 printf(" -t, --test Same as -d except no decoded file is written\n");
1346 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1347 printf(" -c, --stdout Write output to stdout\n");
1348 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1349 printf(" --totally-silent Do not print anything of any kind, including\n");
1350 printf(" warnings or errors. The exit code will be the\n");
1351 printf(" only way to determine successful completion.\n");
1352 printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8.\n");
1353 printf(" This is useful for scripts, and setting tags in\n");
1354 printf(" situations where the locale is wrong. This\n");
1355 printf(" option must appear before any tag options!\n");
1356 printf(" -w, --warnings-as-errors Treat all warnings as errors\n");
1357 printf(" -f, --force Force overwriting of output files\n");
1358 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1359 printf(" changes the extension. May only be used when\n");
1360 printf(" encoding a single file. May not be used in\n");
1361 printf(" conjunction with --output-prefix.\n");
1362 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1363 printf(" STRING. This can be useful for encoding or\n");
1364 printf(" decoding files to a different directory. Make\n");
1365 printf(" sure if your STRING is a path name that it ends\n");
1366 printf(" with a '/' slash.\n");
1367 printf(" --delete-input-file Automatically delete the input file after a\n");
1368 printf(" successful encode or decode. If there was an\n");
1369 printf(" error (including a verify error) the input file\n");
1370 printf(" is left intact.\n");
1371 printf(" --preserve-modtime Output files have their timestamps/permissions\n");
1372 printf(" set to match those of their inputs (this is\n");
1373 printf(" default). Use --no-preserve-modtime to make\n");
1374 printf(" output files have the current time and default\n");
1375 printf(" permissions.\n");
1376 printf(" --keep-foreign-metadata If encoding, save WAVE or AIFF non-audio chunks\n");
1377 printf(" in FLAC metadata. If decoding, restore any saved\n");
1378 printf(" non-audio chunks from FLAC metadata when writing\n");
1379 printf(" the decoded file. Foreign metadata cannot be\n");
1380 printf(" transcoded, e.g. WAVE chunks saved in a FLAC file\n");
1381 printf(" cannot be restored when decoding to AIFF. Input\n");
1382 printf(" and output must be regular files, not stdin/out.\n");
1383 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1384 printf(" be used both for encoding and decoding. The\n");
1385 printf(" alternative form mm:ss.ss can be used to specify\n");
1386 printf(" minutes, seconds, and fractions of a second.\n");
1387 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1388 printf(" file. The given sample number is not included\n");
1389 printf(" in the decoded output. The alternative form\n");
1390 printf(" mm:ss.ss can be used to specify minutes,\n");
1391 printf(" seconds, and fractions of a second. If a `+'\n");
1392 printf(" sign is at the beginning, the --until point is\n");
1393 printf(" relative to the --skip point. If a `-' sign is\n");
1394 printf(" at the beginning, the --until point is relative\n");
1395 printf(" to end of the audio.\n");
1397 printf(" --ogg When encoding, generate Ogg FLAC output instead\n");
1398 printf(" of native FLAC. Ogg FLAC streams are FLAC\n");
1399 printf(" streams wrapped in an Ogg transport layer. The\n");
1400 printf(" resulting file should have an '.oga' extension\n");
1401 printf(" and will still be decodable by flac. When\n");
1402 printf(" decoding, force the input to be treated as\n");
1403 printf(" Ogg FLAC. This is useful when piping input\n");
1404 printf(" from stdin or when the filename does not end in\n");
1405 printf(" '.oga' or '.ogg'.\n");
1406 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1407 printf(" encoding and no serial number is given, flac\n");
1408 printf(" uses a random one. If encoding to multiple files\n");
1409 printf(" the serial number is incremented for each file.\n");
1410 printf(" When decoding and no number is given, flac uses\n");
1411 printf(" the serial number of the first page.\n");
1413 printf("analysis options:\n");
1414 printf(" --residual-text Include residual signal in text output. This\n");
1415 printf(" will make the file very big, much larger than\n");
1416 printf(" even the decoded file.\n");
1417 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1418 printf(" of each subframe\n");
1419 printf("decoding options:\n");
1420 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1421 printf(" and removes the partially decoded file if it\n");
1422 printf(" encounters a bitstream error. With -F, errors\n");
1423 printf(" are still printed but flac will continue\n");
1424 printf(" decoding to completion. Note that errors may\n");
1425 printf(" cause the decoded audio to be missing some\n");
1426 printf(" samples or have silent sections.\n");
1427 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n");
1428 printf(" decode. The optional first #.# is the track and\n");
1429 printf(" index point at which decoding will start; the\n");
1430 printf(" default is the beginning of the stream. The\n");
1431 printf(" optional second #.# is the track and index point\n");
1432 printf(" at which decoding will end; the default is the\n");
1433 printf(" end of the stream. If the cuepoint does not\n");
1434 printf(" exist, the closest one before it (for the start\n");
1435 printf(" point) or after it (for the end point) will be\n");
1436 printf(" used. The cuepoints are merely translated into\n");
1437 printf(" sample numbers then used as --skip and --until.\n");
1438 printf(" A CD track can always be cued by, for example,\n");
1439 printf(" --cue=9.1-10.1 for track 9, even if the CD has\n");
1440 printf(" no 10th track.\n");
1441 printf("encoding options:\n");
1442 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1443 printf(" output in parallel and comparing to the\n");
1444 printf(" original\n");
1445 printf(" --lax Allow encoder to generate non-Subset files\n");
1446 #if 0 /*@@@ currently undocumented */
1447 printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files;\n");
1448 printf(" useful when piping data from programs which\n");
1449 printf(" generate bogus data chunk sizes.\n");
1451 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1452 printf(" on sector boundaries. This option is DEPRECATED\n");
1453 printf(" and may not exist in future versions of flac.\n");
1454 printf(" shntool offers similar functionality.\n");
1455 printf(" --replay-gain Calculate ReplayGain values and store them as\n");
1456 printf(" FLAC tags. Title gains/peaks will be computed\n");
1457 printf(" for each file, and an album gain/peak will be\n");
1458 printf(" computed for all files. All input files must\n");
1459 printf(" have the same resolution, sample rate, and\n");
1460 printf(" number of channels. The sample rate must be\n");
1461 printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
1462 printf(" or 48 kHz. NOTE: this option may also leave a\n");
1463 printf(" few extra bytes in the PADDING block.\n");
1464 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1465 printf(" a CUESHEET metadata block. This option may only\n");
1466 printf(" be used when encoding a single file. A\n");
1467 printf(" seekpoint will be added for each index point in\n");
1468 printf(" the cuesheet to the SEEKTABLE unless\n");
1469 printf(" --no-cued-seekpoints is specified.\n");
1470 printf(" --picture=SPECIFICATION Import a picture and store it in a PICTURE block.\n");
1471 printf(" More than one --picture command can be specified.\n");
1472 printf(" The SPECIFICATION can either be a simple filename\n");
1473 printf(" for the picture file, or a complete specification\n");
1474 printf(" whose parts are separated by | characters. Some\n");
1475 printf(" parts may be left empty to invoke default values.\n");
1476 printf(" Using a filename is shorthand for \"||||FILE\".\n");
1477 printf(" The SPECIFICATION format is:\n");
1478 printf(" [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n");
1479 printf(" TYPE is optional; it is a number from one of:\n");
1480 printf(" 0: Other\n");
1481 printf(" 1: 32x32 pixels 'file icon' (PNG only)\n");
1482 printf(" 2: Other file icon\n");
1483 printf(" 3: Cover (front)\n");
1484 printf(" 4: Cover (back)\n");
1485 printf(" 5: Leaflet page\n");
1486 printf(" 6: Media (e.g. label side of CD)\n");
1487 printf(" 7: Lead artist/lead performer/soloist\n");
1488 printf(" 8: Artist/performer\n");
1489 printf(" 9: Conductor\n");
1490 printf(" 10: Band/Orchestra\n");
1491 printf(" 11: Composer\n");
1492 printf(" 12: Lyricist/text writer\n");
1493 printf(" 13: Recording Location\n");
1494 printf(" 14: During recording\n");
1495 printf(" 15: During performance\n");
1496 printf(" 16: Movie/video screen capture\n");
1497 printf(" 17: A bright coloured fish\n");
1498 printf(" 18: Illustration\n");
1499 printf(" 19: Band/artist logotype\n");
1500 printf(" 20: Publisher/Studio logotype\n");
1501 printf(" The default is 3 (front cover). There may only be one picture each\n");
1502 printf(" of type 1 and 2 in a file.\n");
1503 printf(" MIME-TYPE is optional; if left blank, it will be detected from the\n");
1504 printf(" file. For best compatibility with players, use pictures with MIME\n");
1505 printf(" type image/jpeg or image/png. The MIME type can also be --> to\n");
1506 printf(" mean that FILE is actually a URL to an image, though this use is\n");
1507 printf(" discouraged.\n");
1508 printf(" DESCRIPTION is optional; the default is an empty string\n");
1509 printf(" The next part specfies the resolution and color information. If\n");
1510 printf(" the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n");
1511 printf(" usually leave this empty and they can be detected from the file.\n");
1512 printf(" Otherwise, you must specify the width in pixels, height in pixels,\n");
1513 printf(" and color depth in bits-per-pixel. If the image has indexed colors\n");
1514 printf(" you should also specify the number of colors used.\n");
1515 printf(" FILE is the path to the picture file to be imported, or the URL if\n");
1516 printf(" MIME type is -->\n");
1517 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n");
1518 printf(" comment if necessary. This option may appear\n");
1519 printf(" more than once to add several comments. NOTE:\n");
1520 printf(" all tags will be added to all encoded files.\n");
1521 printf(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n");
1522 printf(" whose contents will be read verbatim to set the\n");
1523 printf(" tag value. The contents will be converted to\n");
1524 printf(" UTF-8 from the local charset. This can be used\n");
1525 printf(" to store a cuesheet in a tag (e.g.\n");
1526 printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n");
1527 printf(" try to store binary data in tag fields! Use\n");
1528 printf(" APPLICATION blocks for that.\n");
1529 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1530 printf(" # : a specific sample number for a seek point\n");
1531 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1532 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1533 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1534 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1535 printf(" ified union of all such values.\n");
1536 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1537 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1538 printf(" input size before starting.\n");
1539 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1540 printf(" either no seek point entered (if the input size is determinable\n");
1541 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1542 printf(" determinable)\n");
1543 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1544 printf(" block of the given length (in bytes) after the\n");
1545 printf(" STREAMINFO block. This is useful if you plan\n");
1546 printf(" to tag the file later with an APPLICATION\n");
1547 printf(" block; instead of having to rewrite the entire\n");
1548 printf(" file later just to insert your block, you can\n");
1549 printf(" write directly over the PADDING block. Note\n");
1550 printf(" that the total length of the PADDING block will\n");
1551 printf(" be 4 bytes longer than the length given because\n");
1552 printf(" of the 4 metadata block header bytes. You can\n");
1553 printf(" force no PADDING block at all to be written with\n");
1554 printf(" --no-padding. The encoder writes a PADDING\n");
1555 printf(" block of 8192 bytes by default, or 65536 bytes\n");
1556 printf(" if the input audio is more than 20 minutes long.\n");
1557 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1558 printf(" 1152 for -l 0, else 4096; must be one of 192,\n");
1559 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1560 printf(" 4096 (and 8192 or 16384 if the sample rate is\n");
1561 printf(" >48kHz) for Subset streams.\n");
1562 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n");
1563 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n");
1564 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1565 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n");
1566 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n");
1567 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n");
1568 printf(" -5 is the default setting\n");
1569 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n");
1570 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4096 -m -e -r 6\n");
1571 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -e -r 6\n");
1572 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1573 printf(" (stereo only)\n");
1574 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1575 printf(" (stereo only)\n");
1576 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1577 printf(" -A, --apodization=\"function\" Window audio data with given the function.\n");
1578 printf(" The functions are: bartlett, bartlett_hann,\n");
1579 printf(" blackman, blackman_harris_4term_92db,\n");
1580 printf(" connes, flattop, gauss(STDDEV), hamming,\n");
1581 printf(" hann, kaiser_bessel, nuttall, rectangle,\n");
1582 printf(" triangle, tukey(P), welch. More than one\n");
1583 printf(" may be specified but encoding time is a\n");
1584 printf(" multiple of the number of functions since\n");
1585 printf(" they are each tried in turn. The encoder\n");
1586 printf(" chooses suitable defaults in the absence\n");
1587 printf(" of any -A options.\n");
1588 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors.\n");
1589 printf(" Must be <= 12 for Subset streams if sample\n");
1590 printf(" rate is <=48kHz.\n");
1591 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1592 printf(" quantization (expensive!); overrides -q;\n");
1593 printf(" does nothing if using -l 0\n");
1594 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1595 printf(" linear-predictor coefficients; 0 => let\n");
1596 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1597 printf(" default is -q 0)\n");
1598 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1599 printf(" (# is 0..16; min defaults to 0; the\n");
1600 printf(" default is -r 0; above 4 doesn't usually\n");
1601 printf(" help much)\n");
1602 printf("format options:\n");
1603 printf(" --endian={big|little} Set byte order for samples\n");
1604 printf(" --channels=# Number of channels\n");
1605 printf(" --bps=# Number of bits per sample\n");
1606 printf(" --sample-rate=# Sample rate in Hz\n");
1607 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1608 printf(" --input-size=# Size of the raw input in bytes. If you are\n");
1609 printf(" encoding raw samples from stdin, you must set\n");
1610 printf(" this option in order to be able to use --skip,\n");
1611 printf(" --until, --cuesheet, or other options that need\n");
1612 printf(" to know the size of the input beforehand. If\n");
1613 printf(" the size given is greater than what is found in\n");
1614 printf(" the input stream, the encoder will complain\n");
1615 printf(" about an unexpected end-of-file. If the size\n");
1616 printf(" given is less, samples will be truncated.\n");
1617 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1618 printf(" decoding) to be treated as raw samples\n");
1619 printf(" --force-aiff-format Force the decoder to output AIFF format. This\n");
1620 printf(" option is not needed if the output filename (as\n");
1621 printf(" set by -o) ends with .aif or .aiff; this option\n");
1622 printf(" has no effect when encoding since input AIFF is\n");
1623 printf(" auto-detected.\n");
1624 printf(" --force-rf64-format Force the decoder to output RF64 format. This\n");
1625 printf(" option is not needed if the output filename (as\n");
1626 printf(" set by -o) ends with .rf64; this option\n");
1627 printf(" has no effect when encoding since input RF64 is\n");
1628 printf(" auto-detected.\n");
1629 printf(" --force-wave64-format Force the decoder to output Wave64 format. This\n");
1630 printf(" option is not needed if the output filename (as\n");
1631 printf(" set by -o) ends with .w64; this option\n");
1632 printf(" has no effect when encoding since input Wave64 is\n");
1633 printf(" auto-detected.\n");
1634 printf("negative options:\n");
1635 printf(" --no-adaptive-mid-side\n");
1636 printf(" --no-cued-seekpoints\n");
1637 printf(" --no-decode-through-errors\n");
1638 printf(" --no-delete-input-file\n");
1639 printf(" --no-preserve-modtime\n");
1640 printf(" --no-keep-foreign-metadata\n");
1641 printf(" --no-exhaustive-model-search\n");
1642 printf(" --no-lax\n");
1643 printf(" --no-mid-side\n");
1645 printf(" --no-ogg\n");
1647 printf(" --no-padding\n");
1648 printf(" --no-qlp-coeff-prec-search\n");
1649 printf(" --no-residual-gnuplot\n");
1650 printf(" --no-residual-text\n");
1651 #if 0 /*@@@ currently undocumented */
1652 printf(" --no-ignore-chunk-sizes\n");
1654 printf(" --no-sector-align\n");
1655 printf(" --no-seektable\n");
1656 printf(" --no-silent\n");
1657 printf(" --no-force\n");
1658 printf(" --no-verify\n");
1659 printf(" --no-warnings-as-errors\n");
1662 void format_mistake(const char *infilename, FileFormat wrong, FileFormat right)
1664 /* WATCHOUT: indexed by FileFormat */
1665 static const char * const ff[] = { " raw", " WAVE", "n RF64", "n AIFF", "n AIFF-C", " FLAC", "n Ogg FLAC" };
1666 flac__utils_printf(stderr, 1, "WARNING: %s is not a%s file; treating as a%s file\n", infilename, ff[wrong], ff[right]);
1669 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1671 FILE *encode_infile;
1672 FLAC__byte lookahead[12];
1673 unsigned lookahead_length = 0;
1674 FileFormat input_format = FORMAT_RAW;
1676 FLAC__off_t infilesize;
1677 encode_options_t encode_options;
1678 const char *outfilename = get_encoded_outfilename(infilename); /* the final name of the encoded file */
1679 /* internal_outfilename is the file we will actually write to; it will be a temporary name if infilename==outfilename */
1680 char *internal_outfilename = 0; /* NULL implies 'use outfilename' */
1682 if(0 == outfilename) {
1683 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1687 if(0 == strcmp(infilename, "-")) {
1688 infilesize = (FLAC__off_t)(-1);
1689 encode_infile = grabbag__file_get_binary_stdin();
1692 infilesize = grabbag__file_get_filesize(infilename);
1693 if(0 == (encode_infile = flac_fopen(infilename, "rb"))) {
1694 flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno));
1699 if(!option_values.force_raw_format) {
1700 /* first set format based on name */
1701 if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".wav"))
1702 input_format = FORMAT_WAVE;
1703 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".rf64"))
1704 input_format = FORMAT_RF64;
1705 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".w64"))
1706 input_format = FORMAT_WAVE64;
1707 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".aif"))
1708 input_format = FORMAT_AIFF;
1709 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".aiff"))
1710 input_format = FORMAT_AIFF;
1711 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".flac"))
1712 input_format = FORMAT_FLAC;
1713 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".oga"))
1714 input_format = FORMAT_OGGFLAC;
1715 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
1716 input_format = FORMAT_OGGFLAC;
1718 /* attempt to guess the file type based on the first 12 bytes */
1719 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1720 /* all supported non-raw formats have at least 12 bytes of header to read */
1721 if(input_format != FORMAT_RAW) {
1722 format_mistake(infilename, input_format, FORMAT_RAW);
1723 if(option_values.treat_warnings_as_errors) {
1724 conditional_fclose(encode_infile);
1729 input_format = FORMAT_RAW;
1732 if(!memcmp(lookahead, "ID3", 3)) {
1733 flac__utils_printf(stderr, 1, "ERROR: input file %s has an ID3v2 tag\n", infilename);
1734 conditional_fclose(encode_infile);
1737 else if(!memcmp(lookahead, "RIFF", 4) && !memcmp(lookahead+8, "WAVE", 4))
1738 input_format = FORMAT_WAVE;
1739 else if(!memcmp(lookahead, "RF64", 4) && !memcmp(lookahead+8, "WAVE", 4))
1740 input_format = FORMAT_RF64;
1741 else if(!memcmp(lookahead, "riff\x2E\x91\xCF\x11\xA5\xD6\x28\xDB", 12)) /* just check 1st 12 bytes of GUID */
1742 input_format = FORMAT_WAVE64;
1743 else if(!memcmp(lookahead, "FORM", 4) && !memcmp(lookahead+8, "AIFF", 4))
1744 input_format = FORMAT_AIFF;
1745 else if(!memcmp(lookahead, "FORM", 4) && !memcmp(lookahead+8, "AIFC", 4))
1746 input_format = FORMAT_AIFF_C;
1747 else if(!memcmp(lookahead, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING)))
1748 input_format = FORMAT_FLAC;
1749 /*@@@ this could be made more accurate by looking at the first packet to make sure it's Ogg FLAC and not, say, Ogg Vorbis. we do catch such problems later though. */
1750 else if(!memcmp(lookahead, "OggS", 4))
1751 input_format = FORMAT_OGGFLAC;
1753 /* didn't find header of any supported format */
1754 if(input_format != FORMAT_RAW) {
1755 format_mistake(infilename, input_format, FORMAT_RAW);
1756 if(option_values.treat_warnings_as_errors) {
1757 conditional_fclose(encode_infile);
1762 input_format = FORMAT_RAW;
1767 if(option_values.keep_foreign_metadata) {
1768 if(encode_infile == stdin || option_values.force_to_stdout) {
1769 conditional_fclose(encode_infile);
1770 return usage_error("ERROR: --keep-foreign-metadata cannot be used when encoding from stdin or to stdout\n");
1772 if(input_format != FORMAT_WAVE && input_format != FORMAT_WAVE64 && input_format != FORMAT_RF64 && input_format != FORMAT_AIFF && input_format != FORMAT_AIFF_C) {
1773 conditional_fclose(encode_infile);
1774 return usage_error("ERROR: --keep-foreign-metadata can only be used with WAVE, Wave64, RF64, or AIFF input\n");
1779 * Error if output file already exists (and -f not used).
1780 * Use grabbag__file_get_filesize() as a cheap way to check.
1782 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (FLAC__off_t)(-1)) {
1783 if(input_format == FORMAT_FLAC) {
1784 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1785 flac__utils_printf(stderr, 1,
1786 "ERROR: output file %s already exists.\n\n"
1787 "By default flac encodes files to FLAC format; if you meant to decode this file\n"
1788 "from FLAC to something else, use -d. If you meant to re-encode this file from\n"
1789 "FLAC to FLAC again, use -f to force writing to the same file, or -o to specify\n"
1790 "a different output filename.\n",
1794 else if(input_format == FORMAT_OGGFLAC) {
1795 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1796 flac__utils_printf(stderr, 1,
1797 "ERROR: output file %s already exists.\n\n"
1798 "By default 'flac -ogg' encodes files to Ogg FLAC format; if you meant to decode\n"
1799 "this file from Ogg FLAC to something else, use -d. If you meant to re-encode\n"
1800 "this file from Ogg FLAC to Ogg FLAC again, use -f to force writing to the same\n"
1801 "file, or -o to specify a different output filename.\n",
1806 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1807 conditional_fclose(encode_infile);
1811 if(option_values.format_input_size >= 0) {
1812 if (input_format != FORMAT_RAW || infilesize >= 0) {
1813 flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n");
1814 conditional_fclose(encode_infile);
1818 infilesize = option_values.format_input_size;
1822 if(option_values.sector_align && (input_format == FORMAT_FLAC || input_format == FORMAT_OGGFLAC)) {
1823 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input file is FLAC or Ogg FLAC\n");
1824 conditional_fclose(encode_infile);
1827 if(option_values.sector_align && input_format == FORMAT_RAW && infilesize < 0) {
1828 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input size is unknown\n");
1829 conditional_fclose(encode_infile);
1833 if(input_format == FORMAT_RAW) {
1834 if(option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0 || option_values.format_channels < 0 || option_values.format_bps < 0 || option_values.format_sample_rate < 0) {
1835 conditional_fclose(encode_infile);
1836 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1840 if(option_values.force_to_stdout) {
1841 if(option_values.replay_gain) {
1842 conditional_fclose(encode_infile);
1843 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1846 if(option_values.replay_gain && option_values.use_ogg) {
1847 conditional_fclose(encode_infile);
1848 return usage_error("ERROR: --replay-gain cannot be used when encoding to Ogg FLAC yet\n");
1851 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &encode_options.skip_specification) || encode_options.skip_specification.is_relative) {
1852 conditional_fclose(encode_infile);
1853 return usage_error("ERROR: invalid value for --skip\n");
1856 if(!flac__utils_parse_skip_until_specification(option_values.until_specification, &encode_options.until_specification)) { /*@@@@ more checks: no + without --skip, no - unless known total_samples_to_{en,de}code */
1857 conditional_fclose(encode_infile);
1858 return usage_error("ERROR: invalid value for --until\n");
1860 /* if there is no "--until" we want to default to "--until=-0" */
1861 if(0 == option_values.until_specification)
1862 encode_options.until_specification.is_relative = true;
1864 encode_options.verify = option_values.verify;
1865 encode_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors;
1867 encode_options.use_ogg = option_values.use_ogg;
1868 /* set a random serial number if one has not yet been specified */
1869 if(!option_values.has_serial_number) {
1870 option_values.serial_number = rand();
1871 option_values.has_serial_number = true;
1873 encode_options.serial_number = option_values.serial_number++;
1875 encode_options.lax = option_values.lax;
1876 encode_options.padding = option_values.padding;
1877 encode_options.num_compression_settings = option_values.num_compression_settings;
1878 FLAC__ASSERT(sizeof(encode_options.compression_settings) >= sizeof(option_values.compression_settings));
1879 memcpy(encode_options.compression_settings, option_values.compression_settings, sizeof(option_values.compression_settings));
1880 encode_options.requested_seek_points = option_values.requested_seek_points;
1881 encode_options.num_requested_seek_points = option_values.num_requested_seek_points;
1882 encode_options.cuesheet_filename = option_values.cuesheet_filename;
1883 encode_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1884 encode_options.cued_seekpoints = option_values.cued_seekpoints;
1885 encode_options.channel_map_none = option_values.channel_map_none;
1886 encode_options.is_first_file = is_first_file;
1887 encode_options.is_last_file = is_last_file;
1888 encode_options.align_reservoir = align_reservoir;
1889 encode_options.align_reservoir_samples = &align_reservoir_samples;
1890 encode_options.replay_gain = option_values.replay_gain;
1891 encode_options.ignore_chunk_sizes = option_values.ignore_chunk_sizes;
1892 encode_options.sector_align = option_values.sector_align;
1893 encode_options.vorbis_comment = option_values.vorbis_comment;
1894 FLAC__ASSERT(sizeof(encode_options.pictures) >= sizeof(option_values.pictures));
1895 memcpy(encode_options.pictures, option_values.pictures, sizeof(option_values.pictures));
1896 encode_options.num_pictures = option_values.num_pictures;
1897 encode_options.format = input_format;
1898 encode_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1899 encode_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1900 encode_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1901 encode_options.debug.do_md5 = option_values.debug.do_md5;
1903 /* if infilename and outfilename point to the same file, we need to write to a temporary file */
1904 if(encode_infile != stdin && grabbag__file_are_same(infilename, outfilename)) {
1905 static const char *tmp_suffix = ".tmp,fl-ac+en'c";
1906 size_t dest_len = strlen(outfilename) + strlen(tmp_suffix) + 1;
1907 /*@@@@ still a remote possibility that a file with this filename exists */
1908 if(0 == (internal_outfilename = safe_malloc_(dest_len))) {
1909 flac__utils_printf(stderr, 1, "ERROR allocating memory for tempfile name\n");
1910 conditional_fclose(encode_infile);
1913 safe_strncpy(internal_outfilename, outfilename, dest_len);
1914 safe_strncat(internal_outfilename, tmp_suffix, dest_len);
1917 if(input_format == FORMAT_RAW) {
1918 encode_options.format_options.raw.is_big_endian = option_values.format_is_big_endian;
1919 encode_options.format_options.raw.is_unsigned_samples = option_values.format_is_unsigned_samples;
1920 encode_options.format_options.raw.channels = option_values.format_channels;
1921 encode_options.format_options.raw.bps = option_values.format_bps;
1922 encode_options.format_options.raw.sample_rate = option_values.format_sample_rate;
1924 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
1926 else if(input_format == FORMAT_FLAC || input_format == FORMAT_OGGFLAC) {
1927 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
1929 else if(input_format == FORMAT_WAVE || input_format == FORMAT_WAVE64 || input_format == FORMAT_RF64 || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C) {
1930 encode_options.format_options.iff.foreign_metadata = 0;
1932 /* initialize foreign metadata if requested */
1933 if(option_values.keep_foreign_metadata) {
1934 encode_options.format_options.iff.foreign_metadata =
1935 flac__foreign_metadata_new(
1936 input_format==FORMAT_WAVE || input_format==FORMAT_RF64?
1937 FOREIGN_BLOCK_TYPE__RIFF :
1938 input_format==FORMAT_WAVE64?
1939 FOREIGN_BLOCK_TYPE__WAVE64 :
1940 FOREIGN_BLOCK_TYPE__AIFF
1942 if(0 == encode_options.format_options.iff.foreign_metadata) {
1943 flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n");
1944 conditional_fclose(encode_infile);
1945 if(internal_outfilename != 0)
1946 free(internal_outfilename);
1951 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
1953 if(encode_options.format_options.iff.foreign_metadata)
1954 flac__foreign_metadata_delete(encode_options.format_options.iff.foreign_metadata);
1958 retval = 1; /* double protection */
1962 if(strcmp(outfilename, "-")) {
1963 if(option_values.replay_gain) {
1964 float title_gain, title_peak;
1966 grabbag__replaygain_get_title(&title_gain, &title_peak);
1968 0 != (error = grabbag__replaygain_store_to_file_reference(internal_outfilename? internal_outfilename : outfilename, option_values.preserve_modtime)) ||
1969 0 != (error = grabbag__replaygain_store_to_file_title(internal_outfilename? internal_outfilename : outfilename, title_gain, title_peak, option_values.preserve_modtime))
1971 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain reference/title tags (%s)\n", outfilename, error);
1975 if(option_values.preserve_modtime && strcmp(infilename, "-"))
1976 grabbag__file_copy_metadata(infilename, internal_outfilename? internal_outfilename : outfilename);
1980 /* rename temporary file if necessary */
1981 if(retval == 0 && internal_outfilename != 0) {
1982 if(flac_rename(internal_outfilename, outfilename) < 0) {
1983 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
1984 /* on some flavors of windows, flac_rename() will fail if the destination already exists, so we unlink and try again */
1985 if(flac_unlink(outfilename) < 0) {
1986 flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, keeping both\n", internal_outfilename, outfilename);
1989 else if(flac_rename(internal_outfilename, outfilename) < 0) {
1990 flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, you must do it\n", internal_outfilename, outfilename);
1994 flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, keeping both\n", internal_outfilename, outfilename);
2000 /* handle --delete-input-file, but don't want to delete if piping from stdin, or if input filename and output filename are the same */
2001 if(retval == 0 && option_values.delete_input && strcmp(infilename, "-") && internal_outfilename == 0)
2002 flac_unlink(infilename);
2004 if(internal_outfilename != 0)
2005 free(internal_outfilename);
2010 int decode_file(const char *infilename)
2013 FLAC__bool treat_as_ogg = false;
2014 FileFormat output_format = FORMAT_WAVE;
2015 decode_options_t decode_options;
2016 const char *outfilename = get_decoded_outfilename(infilename);
2018 if(0 == outfilename) {
2019 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
2024 * Error if output file already exists (and -f not used).
2025 * Use grabbag__file_get_filesize() as a cheap way to check.
2027 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (FLAC__off_t)(-1)) {
2028 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
2032 if(option_values.force_raw_format)
2033 output_format = FORMAT_RAW;
2035 option_values.force_aiff_format ||
2036 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) ||
2037 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff"))
2039 output_format = FORMAT_AIFF;
2041 option_values.force_rf64_format ||
2042 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".rf64"))
2044 output_format = FORMAT_RF64;
2046 option_values.force_wave64_format ||
2047 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".w64"))
2049 output_format = FORMAT_WAVE64;
2051 output_format = FORMAT_WAVE;
2053 if(!option_values.test_only && !option_values.analyze) {
2054 if(output_format == FORMAT_RAW && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
2055 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
2058 if(option_values.keep_foreign_metadata) {
2059 if(0 == strcmp(infilename, "-") || 0 == strcmp(outfilename, "-"))
2060 return usage_error("ERROR: --keep-foreign-metadata cannot be used when decoding from stdin or to stdout\n");
2061 if(output_format != FORMAT_WAVE && output_format != FORMAT_WAVE64 && output_format != FORMAT_RF64 && output_format != FORMAT_AIFF && output_format != FORMAT_AIFF_C)
2062 return usage_error("ERROR: --keep-foreign-metadata can only be used with WAVE, Wave64, RF64, or AIFF output\n");
2065 if(option_values.use_ogg)
2066 treat_as_ogg = true;
2067 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".oga"))
2068 treat_as_ogg = true;
2069 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
2070 treat_as_ogg = true;
2072 treat_as_ogg = false;
2076 flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename);
2081 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &decode_options.skip_specification) || decode_options.skip_specification.is_relative)
2082 return usage_error("ERROR: invalid value for --skip\n");
2084 if(!flac__utils_parse_skip_until_specification(option_values.until_specification, &decode_options.until_specification)) /*@@@ more checks: no + without --skip, no - unless known total_samples_to_{en,de}code */
2085 return usage_error("ERROR: invalid value for --until\n");
2086 /* if there is no "--until" we want to default to "--until=-0" */
2087 if(0 == option_values.until_specification)
2088 decode_options.until_specification.is_relative = true;
2090 if(option_values.cue_specification) {
2091 if(!flac__utils_parse_cue_specification(option_values.cue_specification, &decode_options.cue_specification))
2092 return usage_error("ERROR: invalid value for --cue\n");
2093 decode_options.has_cue_specification = true;
2096 decode_options.has_cue_specification = false;
2098 decode_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors;
2099 decode_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
2100 decode_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
2102 decode_options.is_ogg = treat_as_ogg;
2103 decode_options.use_first_serial_number = !option_values.has_serial_number;
2104 decode_options.serial_number = option_values.serial_number;
2106 decode_options.channel_map_none = option_values.channel_map_none;
2107 decode_options.format = output_format;
2109 if(output_format == FORMAT_RAW) {
2110 decode_options.format_options.raw.is_big_endian = option_values.format_is_big_endian;
2111 decode_options.format_options.raw.is_unsigned_samples = option_values.format_is_unsigned_samples;
2113 retval = flac__decode_file(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, decode_options);
2116 decode_options.format_options.iff.foreign_metadata = 0;
2118 /* initialize foreign metadata if requested */
2119 if(option_values.keep_foreign_metadata) {
2120 decode_options.format_options.iff.foreign_metadata =
2121 flac__foreign_metadata_new(
2122 output_format==FORMAT_WAVE || output_format==FORMAT_RF64?
2123 FOREIGN_BLOCK_TYPE__RIFF :
2124 output_format==FORMAT_WAVE64?
2125 FOREIGN_BLOCK_TYPE__WAVE64 :
2126 FOREIGN_BLOCK_TYPE__AIFF
2128 if(0 == decode_options.format_options.iff.foreign_metadata) {
2129 flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n");
2134 retval = flac__decode_file(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, decode_options);
2136 if(decode_options.format_options.iff.foreign_metadata)
2137 flac__foreign_metadata_delete(decode_options.format_options.iff.foreign_metadata);
2140 if(retval == 0 && strcmp(infilename, "-")) {
2141 if(option_values.preserve_modtime && strcmp(outfilename, "-"))
2142 grabbag__file_copy_metadata(infilename, outfilename);
2143 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
2144 flac_unlink(infilename);
2150 const char *get_encoded_outfilename(const char *infilename)
2152 const char *suffix = (option_values.use_ogg? ".oga" : ".flac");
2153 return get_outfilename(infilename, suffix);
2156 const char *get_decoded_outfilename(const char *infilename)
2159 if(option_values.analyze) {
2162 else if(option_values.force_raw_format) {
2165 else if(option_values.force_aiff_format) {
2168 else if(option_values.force_rf64_format) {
2171 else if(option_values.force_wave64_format) {
2177 return get_outfilename(infilename, suffix);
2180 const char *get_outfilename(const char *infilename, const char *suffix)
2182 if(0 == option_values.cmdline_forced_outfilename) {
2183 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
2185 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
2186 safe_strncpy(buffer, "-", sizeof(buffer));
2190 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
2192 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
2194 /* the . must come after any / to avoid problems with, e.g. "some.directory/extensionless-filename" */
2195 if(0 == (p = strrchr(buffer, '.')) || strchr(p, '/')) {
2196 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
2201 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
2208 return option_values.cmdline_forced_outfilename;
2211 void die(const char *message)
2213 FLAC__ASSERT(0 != message);
2214 flac__utils_printf(stderr, 1, "ERROR: %s\n", message);
2218 int conditional_fclose(FILE *f)
2220 if(f == 0 || f == stdin || f == stdout)
2226 char *local_strdup(const char *source)
2229 FLAC__ASSERT(0 != source);
2230 if(0 == (ret = strdup(source)))
2231 die("out of memory during strdup()");