1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000-2009 Josh Coalson
3 * Copyright (C) 2011-2023 Xiph.Org Foundation
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 # include <config.h>
22 #endif
23
24 #include <ctype.h>
25 #include <errno.h>
26 #include <locale.h>
27 #include <stdarg.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <time.h>
32
33 #if !defined _MSC_VER && !defined __MINGW32__
34 /* unlink is in stdio.h in VC++ */
35 #include <unistd.h> /* for unlink() */
36 #endif
37 #include "FLAC/all.h"
38 #include "share/alloc.h"
39 #include "share/grabbag.h"
40 #include "share/compat.h"
41 #include "share/endswap.h"
42 #include "share/safe_str.h"
43 #include "analyze.h"
44 #include "decode.h"
45 #include "encode.h"
46 #include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */
47 #include "utils.h"
48 #include "vorbiscomment.h"
49
50 #if 0
51 /*[JEC] was:#if HAVE_GETOPT_LONG*/
52 /*[JEC] see flac/include/share/getopt.h as to why the change */
53 # include <getopt.h>
54 #else
55 # include "share/getopt.h"
56 #endif
57
58 static int do_it(void);
59
60 static FLAC__bool init_options(void);
61 static int parse_options(int argc, char *argv[]);
62 static int parse_option(int short_option, const char *long_option, const char *option_argument);
63 static void free_options(void);
64 static void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value);
65 static void add_compression_setting_string(compression_setting_type_t type, const char *value);
66 static void add_compression_setting_uint32_t(compression_setting_type_t type, uint32_t value);
67
68 static int usage_error(const char *message, ...);
69 static void short_usage(void);
70 static void show_version(void);
71 static void show_help(void);
72 static void show_explain(void);
73 static void format_mistake(const char *infilename, FileFormat wrong, FileFormat right);
74
75 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
76 static int decode_file(const char *infilename);
77
78 static const char *get_encoded_outfilename(const char *infilename);
79 static const char *get_decoded_outfilename(const char *infilename, const FileFormat format);
80 static const char *get_outfilename(const char *infilename, const char *suffix);
81
82 static void die(const char *message);
83 static int conditional_fclose(FILE *f);
84 static char *local_strdup(const char *source);
85
86 /*
87 * share__getopt format struct; note that for long options with no
88 * short option equivalent we just set the 'val' field to 0.
89 */
90 static struct share__option long_options_[] = {
91 /*
92 * general options
93 */
94 { "help" , share__no_argument, 0, 'h' },
95 { "explain" , share__no_argument, 0, 'H' },
96 { "version" , share__no_argument, 0, 'v' },
97 { "decode" , share__no_argument, 0, 'd' },
98 { "analyze" , share__no_argument, 0, 'a' },
99 { "test" , share__no_argument, 0, 't' },
100 { "stdout" , share__no_argument, 0, 'c' },
101 { "silent" , share__no_argument, 0, 's' },
102 { "totally-silent" , share__no_argument, 0, 0 },
103 { "warnings-as-errors" , share__no_argument, 0, 'w' },
104 { "force" , share__no_argument, 0, 'f' },
105 { "delete-input-file" , share__no_argument, 0, 0 },
106 { "preserve-modtime" , share__no_argument, 0, 0 },
107 { "keep-foreign-metadata" , share__no_argument, 0, 0 },
108 { "keep-foreign-metadata-if-present" , share__no_argument, 0, 0 },
109 { "output-prefix" , share__required_argument, 0, 0 },
110 { "output-name" , share__required_argument, 0, 'o' },
111 { "skip" , share__required_argument, 0, 0 },
112 { "until" , share__required_argument, 0, 0 },
113 { "channel-map" , share__required_argument, 0, 0 }, /* undocumented */
114
115 /*
116 * decoding options
117 */
118 { "decode-through-errors", share__no_argument, 0, 'F' },
119 { "cue" , share__required_argument, 0, 0 },
120 { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */
121
122 /*
123 * encoding options
124 */
125 { "cuesheet" , share__required_argument, 0, 0 },
126 { "no-cued-seekpoints" , share__no_argument, 0, 0 },
127 { "picture" , share__required_argument, 0, 0 },
128 { "tag" , share__required_argument, 0, 'T' },
129 { "tag-from-file" , share__required_argument, 0, 0 },
130 { "compression-level-0" , share__no_argument, 0, '0' },
131 { "compression-level-1" , share__no_argument, 0, '1' },
132 { "compression-level-2" , share__no_argument, 0, '2' },
133 { "compression-level-3" , share__no_argument, 0, '3' },
134 { "compression-level-4" , share__no_argument, 0, '4' },
135 { "compression-level-5" , share__no_argument, 0, '5' },
136 { "compression-level-6" , share__no_argument, 0, '6' },
137 { "compression-level-7" , share__no_argument, 0, '7' },
138 { "compression-level-8" , share__no_argument, 0, '8' },
139 { "compression-level-9" , share__no_argument, 0, '9' },
140 { "best" , share__no_argument, 0, '8' },
141 { "fast" , share__no_argument, 0, '0' },
142 { "verify" , share__no_argument, 0, 'V' },
143 { "force-raw-format" , share__no_argument, 0, 0 },
144 { "force-aiff-format" , share__no_argument, 0, 0 },
145 { "force-rf64-format" , share__no_argument, 0, 0 },
146 { "force-wave64-format" , share__no_argument, 0, 0 },
147 { "force-legacy-wave-format" , share__no_argument, 0, 0 },
148 { "force-extensible-wave-format",share__no_argument,0, 0 },
149 { "force-aiff-c-none-format" , share__no_argument, 0, 0 },
150 { "force-aiff-c-sowt-format" , share__no_argument, 0, 0 },
151 { "lax" , share__no_argument, 0, 0 },
152 { "replay-gain" , share__no_argument, 0, 0 },
153 { "ignore-chunk-sizes" , share__no_argument, 0, 0 },
154 { "seekpoint" , share__required_argument, 0, 'S' },
155 { "padding" , share__required_argument, 0, 'P' },
156 #if FLAC__HAS_OGG
157 { "ogg" , share__no_argument, 0, 0 },
158 { "serial-number" , share__required_argument, 0, 0 },
159 #endif
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 },
175 { "error-on-compression-fail" , share__no_argument, 0, 0 },
176 { "limit-min-bitrate" , share__no_argument, 0, 0 },
177
178 /*
179 * analysis options
180 */
181 { "residual-gnuplot", share__no_argument, 0, 0 },
182 { "residual-text", share__no_argument, 0, 0 },
183
184 /*
185 * negatives
186 */
187 { "no-preserve-modtime" , share__no_argument, 0, 0 },
188 { "no-decode-through-errors" , share__no_argument, 0, 0 },
189 { "no-silent" , share__no_argument, 0, 0 },
190 { "no-force" , share__no_argument, 0, 0 },
191 { "no-seektable" , share__no_argument, 0, 0 },
192 { "no-delete-input-file" , share__no_argument, 0, 0 },
193 { "no-keep-foreign-metadata" , share__no_argument, 0, 0 },
194 { "no-replay-gain" , share__no_argument, 0, 0 },
195 { "no-ignore-chunk-sizes" , share__no_argument, 0, 0 },
196 { "no-utf8-convert" , share__no_argument, 0, 0 },
197 { "no-lax" , share__no_argument, 0, 0 },
198 #if FLAC__HAS_OGG
199 { "no-ogg" , share__no_argument, 0, 0 },
200 #endif
201 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
202 { "no-mid-side" , share__no_argument, 0, 0 },
203 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
204 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
205 { "no-padding" , share__no_argument, 0, 0 },
206 { "no-verify" , share__no_argument, 0, 0 },
207 { "no-warnings-as-errors" , share__no_argument, 0, 0 },
208 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
209 { "no-residual-text" , share__no_argument, 0, 0 },
210 { "no-error-on-compression-fail", share__no_argument, 0, 0 },
211 /*
212 * undocumented debugging options for the test suite
213 */
214 { "disable-constant-subframes", share__no_argument, 0, 0 },
215 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
216 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
217 { "no-md5-sum" , share__no_argument, 0, 0 },
218
219 {0, 0, 0, 0}
220 };
221
222
223 /*
224 * global to hold command-line option values
225 */
226
227 static struct {
228 FLAC__bool show_help;
229 FLAC__bool show_explain;
230 FLAC__bool show_version;
231 FLAC__bool mode_decode;
232 FLAC__bool verify;
233 FLAC__bool treat_warnings_as_errors;
234 FLAC__bool force_file_overwrite;
235 FLAC__bool continue_through_decode_errors;
236 replaygain_synthesis_spec_t replaygain_synthesis_spec;
237 FLAC__bool lax;
238 FLAC__bool test_only;
239 FLAC__bool analyze;
240 FLAC__bool use_ogg;
241 FLAC__bool has_serial_number; /* true iff --serial-number was used */
242 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
243 FLAC__bool force_to_stdout;
244 FLAC__bool force_raw_format;
245 FLAC__bool force_aiff_format;
246 FLAC__bool force_rf64_format;
247 FLAC__bool force_wave64_format;
248 FLAC__bool force_legacy_wave_format;
249 FLAC__bool force_extensible_wave_format;
250 FLAC__bool force_aiff_c_none_format;
251 FLAC__bool force_aiff_c_sowt_format;
252 FLAC__bool delete_input;
253 FLAC__bool preserve_modtime;
254 FLAC__bool keep_foreign_metadata;
255 FLAC__bool keep_foreign_metadata_if_present;
256 FLAC__bool replay_gain;
257 FLAC__bool ignore_chunk_sizes;
258 FLAC__bool utf8_convert; /* true by default, to convert tag strings from locale to utf-8, false if --no-utf8-convert used */
259 const char *cmdline_forced_outfilename;
260 const char *output_prefix;
261 analysis_options aopts;
262 int padding; /* -1 => no -P options were given, 0 => -P- was given, else -P value */
263 size_t num_compression_settings;
264 compression_setting_t compression_settings[64]; /* bad MAGIC NUMBER but buffer overflow is checked */
265 const char *skip_specification;
266 const char *until_specification;
267 const char *cue_specification;
268 int format_is_big_endian;
269 int format_is_unsigned_samples;
270 int format_channels;
271 int format_bps;
272 int format_sample_rate;
273 FLAC__off_t format_input_size;
274 char requested_seek_points[5000]; /* bad MAGIC NUMBER but buffer overflow is checked */
275 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
276 const char *cuesheet_filename;
277 FLAC__bool cued_seekpoints;
278 FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */
279 FLAC__bool error_on_compression_fail;
280 FLAC__bool limit_min_bitrate;
281
282 uint32_t num_files;
283 char **filenames;
284
285 FLAC__StreamMetadata *vorbis_comment;
286 FLAC__StreamMetadata *pictures[64];
287 uint32_t num_pictures;
288
289 struct {
290 FLAC__bool disable_constant_subframes;
291 FLAC__bool disable_fixed_subframes;
292 FLAC__bool disable_verbatim_subframes;
293 FLAC__bool do_md5;
294 } debug;
295 } option_values;
296
297
298 /*
299 * miscellaneous globals
300 */
301
302
303 #ifndef FUZZ_TOOL_FLAC
main(int argc,char * argv[])304 int main(int argc, char *argv[])
305 #else
306 static int main_to_fuzz(int argc, char *argv[])
307 #endif
308 {
309 int retval = 0;
310
311 #ifdef __EMX__
312 _response(&argc, &argv);
313 _wildcard(&argc, &argv);
314 #endif
315 #ifdef _WIN32
316 if (get_utf8_argv(&argc, &argv) != 0) {
317 fprintf(stderr, "ERROR: failed to convert command line parameters to UTF-8\n");
318 return 1;
319 }
320 #endif
321
322 srand((uint32_t)time(0));
323 #ifdef _WIN32
324 {
325 const char *var;
326 var = getenv("LC_ALL");
327 if (!var)
328 var = getenv("LC_NUMERIC");
329 if (!var)
330 var = getenv("LANG");
331 if (!var || strcmp(var, "C") != 0)
332 setlocale(LC_ALL, "");
333 }
334 #else
335 setlocale(LC_ALL, "");
336 #endif
337 if(!init_options()) {
338 flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
339 retval = 1;
340 }
341 else {
342 if((retval = parse_options(argc, argv)) == 0)
343 retval = do_it();
344 }
345
346 free_options();
347
348 return retval;
349 }
350
do_it(void)351 int do_it(void)
352 {
353 int retval = 0;
354
355 if(option_values.show_version) {
356 show_version();
357 return 0;
358 }
359 else if(option_values.show_explain) {
360 show_explain();
361 return 0;
362 }
363 else if(option_values.show_help) {
364 show_help();
365 return 0;
366 }
367 else {
368 if(option_values.num_files == 0) {
369 if(flac__utils_verbosity_ >= 1)
370 short_usage();
371 return 0;
372 }
373
374 /*
375 * tweak options; validate the values
376 */
377 if(!option_values.mode_decode) {
378 if(0 != option_values.cue_specification)
379 return usage_error("ERROR: --cue is not allowed in test mode\n");
380 }
381 else {
382 if(option_values.test_only) {
383 if(0 != option_values.skip_specification)
384 return usage_error("ERROR: --skip is not allowed in test mode\n");
385 if(0 != option_values.until_specification)
386 return usage_error("ERROR: --until is not allowed in test mode\n");
387 if(0 != option_values.cue_specification)
388 return usage_error("ERROR: --cue is not allowed in test mode\n");
389 if(0 != option_values.analyze)
390 return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n");
391 }
392 }
393
394 if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification))
395 return usage_error("ERROR: --cue may not be combined with --skip or --until\n");
396
397 if(option_values.format_channels >= 0) {
398 if(option_values.format_channels == 0 || (uint32_t)option_values.format_channels > FLAC__MAX_CHANNELS)
399 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
400 }
401 if(option_values.format_bps >= 0) {
402 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24 && option_values.format_bps != 32)
403 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24/32)\n", option_values.format_bps);
404 }
405 if(option_values.format_sample_rate >= 0) {
406 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
407 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
408 }
409 if((option_values.force_raw_format?1:0) +
410 (option_values.force_aiff_format?1:0) +
411 (option_values.force_rf64_format?1:0) +
412 (option_values.force_wave64_format?1:0) +
413 (option_values.force_legacy_wave_format?1:0) +
414 (option_values.force_extensible_wave_format?1:0) +
415 (option_values.force_aiff_c_none_format?1:0) +
416 (option_values.force_aiff_c_sowt_format?1:0)
417 > 1)
418 return usage_error("ERROR: only one of force format options allowed\n");
419 if(option_values.mode_decode) {
420 if(!option_values.force_raw_format) {
421 if(option_values.format_is_big_endian >= 0)
422 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
423 if(option_values.format_is_unsigned_samples >= 0)
424 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
425 }
426 if(option_values.format_channels >= 0)
427 return usage_error("ERROR: --channels not allowed with --decode\n");
428 if(option_values.format_bps >= 0)
429 return usage_error("ERROR: --bps not allowed with --decode\n");
430 if(option_values.format_sample_rate >= 0)
431 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
432 }
433
434 if(option_values.ignore_chunk_sizes) {
435 if(option_values.mode_decode)
436 return usage_error("ERROR: --ignore-chunk-sizes only allowed for encoding\n");
437 if(0 != option_values.until_specification)
438 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --until\n");
439 if(0 != option_values.cue_specification)
440 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cue\n");
441 if(0 != option_values.cuesheet_filename)
442 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cuesheet\n");
443 }
444 if(option_values.replay_gain) {
445 if(option_values.force_to_stdout)
446 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
447 if(option_values.mode_decode)
448 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
449 if(option_values.format_channels > 2)
450 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
451 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
452 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
453 if(
454 (option_values.padding >= 0 && option_values.padding < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED) ||
455 (option_values.padding < 0 && FLAC_ENCODE__DEFAULT_PADDING < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED)
456 ) {
457 flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
458 }
459 }
460 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
461 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
462 }
463 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
464 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
465 }
466 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
467 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
468 }
469 if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) {
470 /* we're not going to try and support the re-creation of broken WAVE files */
471 if(option_values.ignore_chunk_sizes)
472 return usage_error("ERROR: using --keep-foreign-metadata cannot be used with --ignore-chunk-sizes\n");
473 if(option_values.test_only)
474 return usage_error("ERROR: --keep-foreign-metadata is not allowed in test mode\n");
475 if(option_values.analyze)
476 return usage_error("ERROR: --keep-foreign-metadata is not allowed in analyis mode\n");
477 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");
478 }
479 }
480
481 flac__utils_printf(stderr, 2, "\n");
482 flac__utils_printf(stderr, 2, "flac %s\n", FLAC__VERSION_STRING);
483 flac__utils_printf(stderr, 2, "Copyright (C) 2000-2009 Josh Coalson, 2011-2023 Xiph.Org Foundation\n");
484 flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
485 flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
486
487 if(option_values.mode_decode) {
488 FLAC__bool first = true;
489
490 if(option_values.num_files == 0) {
491 retval = decode_file("-");
492 }
493 else {
494 uint32_t i;
495 if(option_values.num_files > 1)
496 option_values.cmdline_forced_outfilename = 0;
497 for(i = 0, retval = 0; i < option_values.num_files; i++) {
498 if(0 == strcmp(option_values.filenames[i], "-") && !first)
499 continue;
500 retval |= decode_file(option_values.filenames[i]);
501 first = false;
502 }
503 }
504 }
505 else { /* encode */
506 FLAC__bool first = true;
507
508 if(option_values.ignore_chunk_sizes)
509 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");
510
511 if(option_values.num_files == 0) {
512 retval = encode_file("-", first, true);
513 }
514 else {
515 uint32_t i;
516 if(option_values.num_files > 1)
517 option_values.cmdline_forced_outfilename = 0;
518 for(i = 0, retval = 0; i < option_values.num_files; i++) {
519 if(0 == strcmp(option_values.filenames[i], "-") && !first)
520 continue;
521 if(encode_file(option_values.filenames[i], first, i == (option_values.num_files-1)))
522 retval = 1;
523 else
524 first = false;
525 }
526 if(option_values.replay_gain && retval == 0) {
527 float album_gain, album_peak;
528 grabbag__replaygain_get_album(&album_gain, &album_peak);
529 for(i = 0; i < option_values.num_files; i++) {
530 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
531 if(0 == outfilename) {
532 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]);
533 return 1;
534 }
535 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, option_values.preserve_modtime))) {
536 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags (%s)\n", outfilename, error);
537 retval = 1;
538 }
539 }
540 }
541 }
542 }
543
544 return retval;
545 }
546
init_options(void)547 FLAC__bool init_options(void)
548 {
549 option_values.show_help = false;
550 option_values.show_explain = false;
551 option_values.show_version = false;
552 option_values.mode_decode = false;
553 option_values.verify = false;
554 option_values.treat_warnings_as_errors = false;
555 option_values.force_file_overwrite = false;
556 option_values.continue_through_decode_errors = false;
557 option_values.replaygain_synthesis_spec.apply = false;
558 option_values.replaygain_synthesis_spec.use_album_gain = true;
559 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
560 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
561 option_values.replaygain_synthesis_spec.preamp = 0.0;
562 option_values.lax = false;
563 option_values.test_only = false;
564 option_values.analyze = false;
565 option_values.use_ogg = false;
566 option_values.has_serial_number = false;
567 option_values.serial_number = 0;
568 option_values.force_to_stdout = false;
569 option_values.force_raw_format = false;
570 option_values.force_aiff_format = false;
571 option_values.force_rf64_format = false;
572 option_values.force_wave64_format = false;
573 option_values.force_legacy_wave_format = false;
574 option_values.force_extensible_wave_format = false;
575 option_values.force_aiff_c_none_format = false;
576 option_values.force_aiff_c_sowt_format = false;
577 option_values.delete_input = false;
578 option_values.preserve_modtime = true;
579 option_values.keep_foreign_metadata = false;
580 option_values.keep_foreign_metadata_if_present = false;
581 option_values.replay_gain = false;
582 option_values.ignore_chunk_sizes = false;
583 option_values.utf8_convert = true;
584 option_values.cmdline_forced_outfilename = 0;
585 option_values.output_prefix = 0;
586 option_values.aopts.do_residual_text = false;
587 option_values.aopts.do_residual_gnuplot = false;
588 option_values.padding = -1;
589 option_values.num_compression_settings = 1;
590 option_values.compression_settings[0].type = CST_COMPRESSION_LEVEL;
591 option_values.compression_settings[0].value.t_unsigned = 5;
592 option_values.skip_specification = 0;
593 option_values.until_specification = 0;
594 option_values.cue_specification = 0;
595 option_values.format_is_big_endian = -1;
596 option_values.format_is_unsigned_samples = -1;
597 option_values.format_channels = -1;
598 option_values.format_bps = -1;
599 option_values.format_sample_rate = -1;
600 option_values.format_input_size = (FLAC__off_t)(-1);
601 option_values.requested_seek_points[0] = '\0';
602 option_values.num_requested_seek_points = -1;
603 option_values.cuesheet_filename = 0;
604 option_values.cued_seekpoints = true;
605 option_values.channel_map_none = false;
606 option_values.error_on_compression_fail = false;
607 option_values.limit_min_bitrate = false;
608
609 option_values.num_files = 0;
610 option_values.filenames = 0;
611
612 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
613 return false;
614 option_values.num_pictures = 0;
615
616 option_values.debug.disable_constant_subframes = false;
617 option_values.debug.disable_fixed_subframes = false;
618 option_values.debug.disable_verbatim_subframes = false;
619 option_values.debug.do_md5 = true;
620
621 return true;
622 }
623
parse_options(int argc,char * argv[])624 int parse_options(int argc, char *argv[])
625 {
626 int short_option;
627 int option_index = 1;
628 FLAC__bool had_error = false;
629 const char *short_opts = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vVw";
630
631 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
632 switch (short_option) {
633 case 0: /* long option with no equivalent short option */
634 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
635 break;
636 case '?':
637 case ':':
638 had_error = true;
639 break;
640 default: /* short option */
641 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
642 break;
643 }
644 }
645
646 if(had_error) {
647 return 1;
648 }
649
650 FLAC__ASSERT(share__optind <= argc);
651
652 option_values.num_files = argc - share__optind;
653
654 if(option_values.num_files > 0) {
655 uint32_t i = 0;
656 if(0 == (option_values.filenames = malloc(sizeof(char*) * option_values.num_files)))
657 die("out of memory allocating space for file names list");
658 while(share__optind < argc)
659 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
660 }
661
662 return 0;
663 }
664
parse_option(int short_option,const char * long_option,const char * option_argument)665 int parse_option(int short_option, const char *long_option, const char *option_argument)
666 {
667 const char *violation;
668
669 if(short_option == 0) {
670 FLAC__ASSERT(0 != long_option);
671 if(0 == strcmp(long_option, "totally-silent")) {
672 flac__utils_verbosity_ = 0;
673 }
674 else if(0 == strcmp(long_option, "delete-input-file")) {
675 option_values.delete_input = true;
676 }
677 else if(0 == strcmp(long_option, "preserve-modtime")) {
678 option_values.preserve_modtime = true;
679 }
680 else if(0 == strcmp(long_option, "keep-foreign-metadata")) {
681 option_values.keep_foreign_metadata = true;
682 }
683 else if(0 == strcmp(long_option, "keep-foreign-metadata-if-present")) {
684 option_values.keep_foreign_metadata_if_present = true;
685 }
686 else if(0 == strcmp(long_option, "output-prefix")) {
687 FLAC__ASSERT(0 != option_argument);
688 option_values.output_prefix = option_argument;
689 }
690 else if(0 == strcmp(long_option, "skip")) {
691 FLAC__ASSERT(0 != option_argument);
692 option_values.skip_specification = option_argument;
693 }
694 else if(0 == strcmp(long_option, "until")) {
695 FLAC__ASSERT(0 != option_argument);
696 option_values.until_specification = option_argument;
697 }
698 else if(0 == strcmp(long_option, "input-size")) {
699 FLAC__ASSERT(0 != option_argument);
700 {
701 char *end;
702 FLAC__int64 ix;
703 ix = strtoll(option_argument, &end, 10);
704 if(0 == strlen(option_argument) || *end)
705 return usage_error("ERROR: --%s must be a number\n", long_option);
706 option_values.format_input_size = (FLAC__off_t)ix;
707 if(option_values.format_input_size != ix) /* check if FLAC__off_t is smaller than long long */
708 return usage_error("ERROR: --%s too large; this build of flac does not support filesizes over 2GB\n", long_option);
709 if(option_values.format_input_size <= 0)
710 return usage_error("ERROR: --%s must be > 0\n", long_option);
711 }
712 }
713 else if(0 == strcmp(long_option, "cue")) {
714 FLAC__ASSERT(0 != option_argument);
715 option_values.cue_specification = option_argument;
716 }
717 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
718 option_values.replaygain_synthesis_spec.apply = true;
719 if (0 != option_argument) {
720 char *p;
721 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
722 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
723 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
724 for ( ; *p; p++) {
725 if (*p == 'a')
726 option_values.replaygain_synthesis_spec.use_album_gain = true;
727 else if (*p == 't')
728 option_values.replaygain_synthesis_spec.use_album_gain = false;
729 else if (*p == 'l')
730 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
731 else if (*p == 'L')
732 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
733 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
734 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
735 p++;
736 }
737 else
738 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
739 }
740 }
741 }
742 else if(0 == strcmp(long_option, "channel-map")) {
743 if (0 == option_argument || strcmp(option_argument, "none"))
744 return usage_error("ERROR: only --channel-map=none currently supported\n");
745 option_values.channel_map_none = true;
746 }
747 else if(0 == strcmp(long_option, "cuesheet")) {
748 FLAC__ASSERT(0 != option_argument);
749 option_values.cuesheet_filename = option_argument;
750 }
751 else if(0 == strcmp(long_option, "picture")) {
752 const uint32_t max_pictures = sizeof(option_values.pictures)/sizeof(option_values.pictures[0]);
753 FLAC__ASSERT(0 != option_argument);
754 if(option_values.num_pictures >= max_pictures)
755 return usage_error("ERROR: too many --picture arguments, only %u allowed\n", max_pictures);
756 if(0 == (option_values.pictures[option_values.num_pictures] = grabbag__picture_parse_specification(option_argument, &violation)))
757 return usage_error("ERROR: (--picture) %s\n", violation);
758 option_values.num_pictures++;
759 }
760 else if(0 == strcmp(long_option, "tag-from-file")) {
761 FLAC__ASSERT(0 != option_argument);
762 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, /*raw=*/!option_values.utf8_convert, &violation))
763 return usage_error("ERROR: (--tag-from-file) %s\n", violation);
764 }
765 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
766 option_values.cued_seekpoints = false;
767 }
768 else if(0 == strcmp(long_option, "force-raw-format")) {
769 option_values.force_raw_format = true;
770 }
771 else if(0 == strcmp(long_option, "force-aiff-format")) {
772 option_values.force_aiff_format = true;
773 }
774 else if(0 == strcmp(long_option, "force-rf64-format")) {
775 option_values.force_rf64_format = true;
776 }
777 else if(0 == strcmp(long_option, "force-wave64-format")) {
778 option_values.force_wave64_format = true;
779 }
780 else if(0 == strcmp(long_option, "force-legacy-wave-format")) {
781 option_values.force_legacy_wave_format = true;
782 }
783 else if(0 == strcmp(long_option, "force-extensible-wave-format")) {
784 option_values.force_extensible_wave_format = true;
785 }
786 else if(0 == strcmp(long_option, "force-aiff-c-none-format")) {
787 option_values.force_aiff_c_none_format = true;
788 }
789 else if(0 == strcmp(long_option, "force-aiff-c-sowt-format")) {
790 option_values.force_aiff_c_sowt_format = true;
791 }
792 else if(0 == strcmp(long_option, "lax")) {
793 option_values.lax = true;
794 }
795 else if(0 == strcmp(long_option, "replay-gain")) {
796 option_values.replay_gain = true;
797 }
798 else if(0 == strcmp(long_option, "ignore-chunk-sizes")) {
799 option_values.ignore_chunk_sizes = true;
800 }
801 #if FLAC__HAS_OGG
802 else if(0 == strcmp(long_option, "ogg")) {
803 option_values.use_ogg = true;
804 }
805 else if(0 == strcmp(long_option, "serial-number")) {
806 option_values.has_serial_number = true;
807 option_values.serial_number = atol(option_argument);
808 }
809 #endif
810 else if(0 == strcmp(long_option, "endian")) {
811 FLAC__ASSERT(0 != option_argument);
812 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
813 option_values.format_is_big_endian = true;
814 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
815 option_values.format_is_big_endian = false;
816 else
817 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
818 }
819 else if(0 == strcmp(long_option, "channels")) {
820 FLAC__ASSERT(0 != option_argument);
821 option_values.format_channels = atoi(option_argument);
822 }
823 else if(0 == strcmp(long_option, "bps")) {
824 FLAC__ASSERT(0 != option_argument);
825 option_values.format_bps = atoi(option_argument);
826 }
827 else if(0 == strcmp(long_option, "sample-rate")) {
828 FLAC__ASSERT(0 != option_argument);
829 option_values.format_sample_rate = atoi(option_argument);
830 }
831 else if(0 == strcmp(long_option, "sign")) {
832 FLAC__ASSERT(0 != option_argument);
833 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
834 option_values.format_is_unsigned_samples = false;
835 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
836 option_values.format_is_unsigned_samples = true;
837 else
838 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
839 }
840 else if(0 == strcmp(long_option, "residual-gnuplot")) {
841 option_values.aopts.do_residual_gnuplot = true;
842 }
843 else if(0 == strcmp(long_option, "residual-text")) {
844 option_values.aopts.do_residual_text = true;
845 }
846 else if(0 == strcmp(long_option, "limit-min-bitrate")) {
847 option_values.limit_min_bitrate = true;
848 }
849 /*
850 * negatives
851 */
852 else if(0 == strcmp(long_option, "no-preserve-modtime")) {
853 option_values.preserve_modtime = false;
854 }
855 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
856 option_values.continue_through_decode_errors = false;
857 }
858 else if(0 == strcmp(long_option, "no-silent")) {
859 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
860 flac__utils_verbosity_ = 2;
861 #endif
862 }
863 else if(0 == strcmp(long_option, "no-force")) {
864 option_values.force_file_overwrite = false;
865 }
866 else if(0 == strcmp(long_option, "no-seektable")) {
867 option_values.num_requested_seek_points = 0;
868 option_values.requested_seek_points[0] = '\0';
869 }
870 else if(0 == strcmp(long_option, "no-delete-input-file")) {
871 option_values.delete_input = false;
872 }
873 else if(0 == strcmp(long_option, "no-keep-foreign-metadata")) {
874 option_values.keep_foreign_metadata = false;
875 option_values.keep_foreign_metadata_if_present = false;
876 }
877 else if(0 == strcmp(long_option, "no-replay-gain")) {
878 option_values.replay_gain = false;
879 }
880 else if(0 == strcmp(long_option, "no-ignore-chunk-sizes")) {
881 option_values.ignore_chunk_sizes = false;
882 }
883 else if(0 == strcmp(long_option, "no-utf8-convert")) {
884 option_values.utf8_convert = false;
885 }
886 else if(0 == strcmp(long_option, "no-lax")) {
887 option_values.lax = false;
888 }
889 #if FLAC__HAS_OGG
890 else if(0 == strcmp(long_option, "no-ogg")) {
891 option_values.use_ogg = false;
892 }
893 #endif
894 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
895 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, false);
896 }
897 else if(0 == strcmp(long_option, "no-mid-side")) {
898 add_compression_setting_bool(CST_DO_MID_SIDE, false);
899 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
900 }
901 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
902 add_compression_setting_bool(CST_DO_MID_SIDE, false);
903 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
904 }
905 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
906 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, false);
907 }
908 else if(0 == strcmp(long_option, "no-padding")) {
909 option_values.padding = 0;
910 }
911 else if(0 == strcmp(long_option, "no-verify")) {
912 option_values.verify = false;
913 }
914 else if(0 == strcmp(long_option, "no-warnings-as-errors")) {
915 option_values.treat_warnings_as_errors = false;
916 }
917 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
918 option_values.aopts.do_residual_gnuplot = false;
919 }
920 else if(0 == strcmp(long_option, "no-residual-text")) {
921 option_values.aopts.do_residual_text = false;
922 }
923 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
924 option_values.debug.disable_constant_subframes = true;
925 }
926 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
927 option_values.debug.disable_fixed_subframes = true;
928 }
929 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
930 option_values.debug.disable_verbatim_subframes = true;
931 }
932 else if(0 == strcmp(long_option, "no-md5-sum")) {
933 option_values.debug.do_md5 = false;
934 }
935 else if(0 == strcmp(long_option, "no-error-on-compression-fail")) {
936 option_values.error_on_compression_fail = false;
937 }
938 else if(0 == strcmp(long_option, "error-on-compression-fail")) {
939 option_values.error_on_compression_fail = true;
940 }
941 }
942 else {
943 switch(short_option) {
944 case 'h':
945 option_values.show_help = true;
946 break;
947 case 'H':
948 option_values.show_explain = true;
949 break;
950 case 'v':
951 option_values.show_version = true;
952 break;
953 case 'd':
954 option_values.mode_decode = true;
955 break;
956 case 'a':
957 option_values.mode_decode = true;
958 option_values.analyze = true;
959 break;
960 case 't':
961 option_values.mode_decode = true;
962 option_values.test_only = true;
963 break;
964 case 'c':
965 option_values.force_to_stdout = true;
966 break;
967 case 's':
968 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
969 flac__utils_verbosity_ = 1;
970 #endif
971 break;
972 case 'f':
973 option_values.force_file_overwrite = true;
974 break;
975 case 'o':
976 FLAC__ASSERT(0 != option_argument);
977 option_values.cmdline_forced_outfilename = option_argument;
978 break;
979 case 'F':
980 option_values.continue_through_decode_errors = true;
981 break;
982 case 'T':
983 FLAC__ASSERT(0 != option_argument);
984 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/false, /*raw=*/!option_values.utf8_convert, &violation))
985 return usage_error("ERROR: (-T/--tag) %s\n", violation);
986 break;
987 case '0':
988 case '1':
989 case '2':
990 case '3':
991 case '4':
992 case '5':
993 case '6':
994 case '7':
995 case '8':
996 add_compression_setting_uint32_t(CST_COMPRESSION_LEVEL, short_option-'0');
997 break;
998 case '9':
999 return usage_error("ERROR: compression level '9' is reserved\n");
1000 case 'V':
1001 option_values.verify = true;
1002 break;
1003 case 'w':
1004 option_values.treat_warnings_as_errors = true;
1005 break;
1006 case 'S':
1007 FLAC__ASSERT(0 != option_argument);
1008 if(0 == strcmp(option_argument, "-")) {
1009 option_values.num_requested_seek_points = 0;
1010 option_values.requested_seek_points[0] = '\0';
1011 }
1012 else {
1013 if(option_values.num_requested_seek_points < 0)
1014 option_values.num_requested_seek_points = 0;
1015 option_values.num_requested_seek_points++;
1016 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
1017 return usage_error("ERROR: too many seekpoints requested\n");
1018 }
1019 else {
1020 size_t len = strlen(option_values.requested_seek_points);
1021 flac_snprintf(option_values.requested_seek_points+len, sizeof(option_values.requested_seek_points) - len, "%s;", option_argument);
1022 }
1023 }
1024 break;
1025 case 'P':
1026 FLAC__ASSERT(0 != option_argument);
1027 option_values.padding = atoi(option_argument);
1028 if(option_values.padding < 0)
1029 return usage_error("ERROR: argument to -%c must be >= 0; for no padding use -%c-\n", short_option, short_option);
1030 break;
1031 case 'b':
1032 {
1033 uint32_t i ;
1034 FLAC__ASSERT(0 != option_argument);
1035 i = atoi(option_argument);
1036 if((i < (int)FLAC__MIN_BLOCK_SIZE || i > (int)FLAC__MAX_BLOCK_SIZE))
1037 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);
1038 add_compression_setting_uint32_t(CST_BLOCKSIZE, (uint32_t)i);
1039 }
1040 break;
1041 case 'e':
1042 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, true);
1043 break;
1044 case 'E':
1045 add_compression_setting_bool(CST_DO_ESCAPE_CODING, true);
1046 break;
1047 case 'l':
1048 {
1049 uint32_t i ;
1050 FLAC__ASSERT(0 != option_argument);
1051 i = atoi(option_argument);
1052 if(i > FLAC__MAX_LPC_ORDER)
1053 return usage_error("ERROR: invalid LPC order (-%c) '%d', must be >= %u and <= %u\n", short_option, i, 0, FLAC__MAX_LPC_ORDER);
1054 add_compression_setting_uint32_t(CST_MAX_LPC_ORDER, i);
1055 }
1056 break;
1057 case 'A':
1058 FLAC__ASSERT(0 != option_argument);
1059 add_compression_setting_string(CST_APODIZATION, option_argument);
1060 break;
1061 case 'm':
1062 add_compression_setting_bool(CST_DO_MID_SIDE, true);
1063 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
1064 break;
1065 case 'M':
1066 add_compression_setting_bool(CST_DO_MID_SIDE, true);
1067 add_compression_setting_bool(CST_LOOSE_MID_SIDE, true);
1068 break;
1069 case 'p':
1070 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, true);
1071 break;
1072 case 'q':
1073 {
1074 uint32_t i ;
1075 FLAC__ASSERT(0 != option_argument);
1076 i = atoi(option_argument);
1077 if((i > 0 && (i < FLAC__MIN_QLP_COEFF_PRECISION || i > FLAC__MAX_QLP_COEFF_PRECISION)))
1078 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);
1079 add_compression_setting_uint32_t(CST_QLP_COEFF_PRECISION, i);
1080 }
1081 break;
1082 case 'r':
1083 {
1084 uint32_t i;
1085 char * p;
1086 FLAC__ASSERT(0 != option_argument);
1087 p = strchr(option_argument, ',');
1088 if(0 == p) {
1089 add_compression_setting_uint32_t(CST_MIN_RESIDUAL_PARTITION_ORDER, 0);
1090 i = atoi(option_argument);
1091 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1092 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);
1093 add_compression_setting_uint32_t(CST_MAX_RESIDUAL_PARTITION_ORDER, i);
1094 }
1095 else {
1096 i = atoi(option_argument);
1097 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1098 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);
1099 add_compression_setting_uint32_t(CST_MIN_RESIDUAL_PARTITION_ORDER, i);
1100 i = atoi(++p);
1101 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1102 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);
1103 add_compression_setting_uint32_t(CST_MAX_RESIDUAL_PARTITION_ORDER, i);
1104 }
1105 }
1106 break;
1107 case 'R':
1108 {
1109 uint32_t i;
1110 i = atoi(option_argument);
1111 add_compression_setting_uint32_t(CST_RICE_PARAMETER_SEARCH_DIST, i);
1112 }
1113 break;
1114 default:
1115 FLAC__ASSERT(0);
1116 }
1117 }
1118
1119 return 0;
1120 }
1121
free_options(void)1122 void free_options(void)
1123 {
1124 uint32_t i;
1125 if(0 != option_values.filenames) {
1126 for(i = 0; i < option_values.num_files; i++) {
1127 if(0 != option_values.filenames[i])
1128 free(option_values.filenames[i]);
1129 }
1130 free(option_values.filenames);
1131 }
1132 if(0 != option_values.vorbis_comment)
1133 FLAC__metadata_object_delete(option_values.vorbis_comment);
1134 for(i = 0; i < option_values.num_pictures; i++)
1135 FLAC__metadata_object_delete(option_values.pictures[i]);
1136 }
1137
add_compression_setting_bool(compression_setting_type_t type,FLAC__bool value)1138 void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value)
1139 {
1140 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1141 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1142 die("too many compression settings");
1143 #else
1144 return;
1145 #endif
1146 option_values.compression_settings[option_values.num_compression_settings].type = type;
1147 option_values.compression_settings[option_values.num_compression_settings].value.t_bool = value;
1148 option_values.num_compression_settings++;
1149 }
1150
add_compression_setting_string(compression_setting_type_t type,const char * value)1151 void add_compression_setting_string(compression_setting_type_t type, const char *value)
1152 {
1153 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1154 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1155 die("too many compression settings");
1156 #else
1157 return;
1158 #endif
1159 option_values.compression_settings[option_values.num_compression_settings].type = type;
1160 option_values.compression_settings[option_values.num_compression_settings].value.t_string = value;
1161 option_values.num_compression_settings++;
1162 }
1163
add_compression_setting_uint32_t(compression_setting_type_t type,uint32_t value)1164 void add_compression_setting_uint32_t(compression_setting_type_t type, uint32_t value)
1165 {
1166 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1167 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1168 die("too many compression settings");
1169 #else
1170 return;
1171 #endif
1172 if(type == CST_COMPRESSION_LEVEL) {
1173 /* Compression level always goes first */
1174 option_values.compression_settings[0].type = type;
1175 option_values.compression_settings[0].value.t_unsigned = value;
1176 }
1177 else {
1178 option_values.compression_settings[option_values.num_compression_settings].type = type;
1179 option_values.compression_settings[option_values.num_compression_settings].value.t_unsigned = value;
1180 option_values.num_compression_settings++;
1181 }
1182 }
1183
usage_error(const char * message,...)1184 int usage_error(const char *message, ...)
1185 {
1186 if(flac__utils_verbosity_ >= 1) {
1187 va_list args;
1188
1189 FLAC__ASSERT(0 != message);
1190
1191 va_start(args, message);
1192
1193 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1194 (void) vfprintf(stderr, message, args);
1195 #endif
1196
1197 va_end(args);
1198
1199 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1200 }
1201
1202 return 1;
1203 }
1204
show_version(void)1205 void show_version(void)
1206 {
1207 printf("flac %s\n", FLAC__VERSION_STRING);
1208 }
1209
usage_header(void)1210 static void usage_header(void)
1211 {
1212 printf("===============================================================================\n");
1213 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1214 printf("Copyright (C) 2000-2009 Josh Coalson\n");
1215 printf("Copyright (C) 2011-2023 Xiph.Org Foundation\n");
1216 printf("\n");
1217 printf("This program is free software; you can redistribute it and/or\n");
1218 printf("modify it under the terms of the GNU General Public License\n");
1219 printf("as published by the Free Software Foundation; either version 2\n");
1220 printf("of the License, or (at your option) any later version.\n");
1221 printf("\n");
1222 printf("This program is distributed in the hope that it will be useful,\n");
1223 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1224 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1225 printf("GNU General Public License for more details.\n");
1226 printf("\n");
1227 printf("You should have received a copy of the GNU General Public License along\n");
1228 printf("with this program; if not, write to the Free Software Foundation, Inc.,\n");
1229 printf("51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\n");
1230 printf("===============================================================================\n");
1231 }
1232
usage_summary(void)1233 static void usage_summary(void)
1234 {
1235 printf("Usage:\n");
1236 printf("\n");
1237 printf(" Encoding: flac [<general/encoding/format options>] [INPUTFILE [...]]\n");
1238 printf(" Decoding: flac -d [<general/decoding/format options>] [FLACFILE [...]]\n");
1239 printf(" Testing: flac -t [<general options>] [FLACFILE [...]]\n");
1240 printf("Analyzing: flac -a [<general/analysis options>] [FLACFILE [...]]\n");
1241 printf("\n");
1242 printf("Be sure to read the list of known bugs at:\n");
1243 printf("http://xiph.org/flac/documentation_bugs.html\n");
1244 printf("\n");
1245 }
1246
short_usage(void)1247 void short_usage(void)
1248 {
1249 usage_header();
1250 printf("\n");
1251 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1252 printf("instructions use 'flac --explain'\n");
1253 printf("\n");
1254 printf("Be sure to read the list of known bugs at:\n");
1255 printf("http://xiph.org/flac/documentation_bugs.html\n");
1256 printf("\n");
1257 printf("To encode:\n");
1258 printf(" flac [-#] [INPUTFILE [...]]\n");
1259 printf("\n");
1260 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1261 printf("\n");
1262 printf("To decode:\n");
1263 printf(" flac -d [INPUTFILE [...]]\n");
1264 printf("\n");
1265 printf("To test:\n");
1266 printf(" flac -t [INPUTFILE [...]]\n");
1267 }
1268
show_help(void)1269 void show_help(void)
1270 {
1271 usage_header();
1272 usage_summary();
1273 printf("general options:\n");
1274 printf(" -v, --version Show the flac version number\n");
1275 printf(" -h, --help Show this screen\n");
1276 printf(" -H, --explain Show detailed explanation of usage and options\n");
1277 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1278 printf(" -t, --test Same as -d except no decoded file is written\n");
1279 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1280 printf(" -c, --stdout Write output to stdout\n");
1281 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1282 printf(" --totally-silent Do not print anything, including errors\n");
1283 printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8\n");
1284 printf(" -w, --warnings-as-errors Treat all warnings as errors\n");
1285 printf(" -f, --force Force overwriting of output files\n");
1286 printf(" -o, --output-name=FILENAME Force the output file name\n");
1287 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1288 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1289 printf(" --preserve-modtime Output files keep timestamp of input (default)\n");
1290 printf(" --keep-foreign-metadata Save/restore WAVE or AIFF non-audio chunks\n");
1291 printf(" --keep-foreign-metadata-if-present Save/restore WAVE or AIFF non-audio\n");
1292 printf(" but not return an error when no such chunks are found\n");
1293 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1294 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1295 #if FLAC__HAS_OGG
1296 printf(" --ogg Use Ogg as transport layer\n");
1297 printf(" --serial-number Serial number to use for the FLAC stream\n");
1298 #endif
1299 printf("analysis options:\n");
1300 printf(" --residual-text Include residual signal in text output\n");
1301 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1302 printf("decoding options:\n");
1303 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1304 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n");
1305 printf("encoding options:\n");
1306 printf(" -V, --verify Verify a correct encoding\n");
1307 printf(" --lax Allow encoder to generate non-Subset files\n");
1308 printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files\n");
1309 printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n");
1310 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1311 printf(" --picture=SPECIFICATION Import picture and store in PICTURE block\n");
1312 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n");
1313 printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\n");
1314 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1315 printf(" -P, --padding=# Write a PADDING block of length #\n");
1316 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n");
1317 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n");
1318 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1319 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n");
1320 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n");
1321 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n");
1322 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n");
1323 printf(" -A subdivide_tukey(2)\n");
1324 printf(" -7, --compression-level-7 Synonymous with -l 12 -b 4096 -m -r 6\n");
1325 printf(" -A subdivide_tukey(2)\n");
1326 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -r 6\n");
1327 printf(" -A subdivide_tukey(3)\n");
1328 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1329 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1330 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1331 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1332 printf(" -A, --apodization=\"function\" Window audio data with given the function\n");
1333 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1334 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1335 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1336 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1337 printf(" --limit-min-bitrate Limit minimum bitrate (for streaming)\n");
1338 printf("format options:\n");
1339 printf(" --force-raw-format Treat input or output as raw samples\n");
1340 printf(" --force-aiff-format Decode to AIFF format\n");
1341 printf(" --force-rf64-format Decode to RF64 format\n");
1342 printf(" --force-wave64-format Decode to Wave64 format\n");
1343 printf(" --force-legacy-wave-format Decode to legacy wave format\n");
1344 printf(" --force-extensible-wave-format Decode to extensible wave format\n");
1345 printf(" --force-aiff-c-none-format Decode to AIFF-C NONE format\n");
1346 printf(" --force-aiff-c-sowt-format Decode to AIFF-C sowt format\n");
1347 printf("raw format options:\n");
1348 printf(" --endian={big|little} Set byte order for samples\n");
1349 printf(" --channels=# Number of channels\n");
1350 printf(" --bps=# Number of bits per sample\n");
1351 printf(" --sample-rate=# Sample rate in Hz\n");
1352 printf(" --sign={signed|unsigned} Sign of samples\n");
1353 printf(" --input-size=# Size of the raw input in bytes\n");
1354 printf("negative options:\n");
1355 printf(" --no-adaptive-mid-side\n");
1356 printf(" --no-cued-seekpoints\n");
1357 printf(" --no-decode-through-errors\n");
1358 printf(" --no-delete-input-file\n");
1359 printf(" --no-error-on-compression-fail\n");
1360 printf(" --no-preserve-modtime\n");
1361 printf(" --no-keep-foreign-metadata\n");
1362 printf(" --no-exhaustive-model-search\n");
1363 printf(" --no-lax\n");
1364 printf(" --no-mid-side\n");
1365 #if FLAC__HAS_OGG
1366 printf(" --no-ogg\n");
1367 #endif
1368 printf(" --no-padding\n");
1369 printf(" --no-qlp-coeff-prec-search\n");
1370 printf(" --no-replay-gain\n");
1371 printf(" --no-residual-gnuplot\n");
1372 printf(" --no-residual-text\n");
1373 printf(" --no-ignore-chunk-sizes\n");
1374 printf(" --no-seektable\n");
1375 printf(" --no-silent\n");
1376 printf(" --no-force\n");
1377 printf(" --no-verify\n");
1378 printf(" --no-warnings-as-errors\n");
1379 }
1380
show_explain(void)1381 void show_explain(void)
1382 {
1383 usage_header();
1384 usage_summary();
1385 printf("For encoding:\n");
1386 printf(" The input file(s) may be a PCM WAVE, Wave64, RF64 file, AIFF (or uncompressed\n");
1387 printf(" AIFF-C) file, or raw samples. The output file(s) will be in native FLAC\n");
1388 printf(" or Ogg FLAC format\n");
1389 printf("For decoding, the reverse is true.\n");
1390 printf("\n");
1391 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1392 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1393 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1394 printf("instead of:\n");
1395 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1396 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1397 printf("WAVE/AIFF header contents when necessary.\n");
1398 printf("\n");
1399 printf("general options:\n");
1400 printf(" -v, --version Show the flac version number\n");
1401 printf(" -h, --help Show basic usage a list of all options\n");
1402 printf(" -H, --explain Show this screen\n");
1403 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1404 printf(" -t, --test Same as -d except no decoded file is written\n");
1405 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1406 printf(" -c, --stdout Write output to stdout\n");
1407 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1408 printf(" --totally-silent Do not print anything of any kind, including\n");
1409 printf(" warnings or errors. The exit code will be the\n");
1410 printf(" only way to determine successful completion.\n");
1411 printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8.\n");
1412 printf(" This is useful for scripts, and setting tags in\n");
1413 printf(" situations where the locale is wrong. This\n");
1414 printf(" option must appear before any tag options!\n");
1415 printf(" -w, --warnings-as-errors Treat all warnings as errors\n");
1416 printf(" -f, --force Force overwriting of output files\n");
1417 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1418 printf(" changes the extension. May only be used when\n");
1419 printf(" encoding a single file. May not be used in\n");
1420 printf(" conjunction with --output-prefix.\n");
1421 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1422 printf(" STRING. This can be useful for encoding or\n");
1423 printf(" decoding files to a different directory. Make\n");
1424 printf(" sure if your STRING is a path name that it ends\n");
1425 printf(" with a '/' slash.\n");
1426 printf(" --delete-input-file Automatically delete the input file after a\n");
1427 printf(" successful encode or decode. If there was an\n");
1428 printf(" error (including a verify error) the input file\n");
1429 printf(" is left intact.\n");
1430 printf(" --preserve-modtime Output files have their timestamps/permissions\n");
1431 printf(" set to match those of their inputs (this is\n");
1432 printf(" default). Use --no-preserve-modtime to make\n");
1433 printf(" output files have the current time and default\n");
1434 printf(" permissions.\n");
1435 printf(" --keep-foreign-metadata If encoding, save WAVE or AIFF non-audio chunks\n");
1436 printf(" in FLAC metadata. If decoding, restore any saved\n");
1437 printf(" non-audio chunks from FLAC metadata when writing\n");
1438 printf(" the decoded file. Foreign metadata cannot be\n");
1439 printf(" transcoded, e.g. WAVE chunks saved in a FLAC file\n");
1440 printf(" cannot be restored when decoding to AIFF. Input\n");
1441 printf(" and output must be regular files, not stdin/out.\n");
1442 printf(" With this option, FLAC will pick the right\n");
1443 printf(" output format on decoding.\n");
1444 printf(" --keep-foreign-metadata-if-present As previous option, but do not throw\n");
1445 printf(" an error in case no foreign metadata is found,\n");
1446 printf(" the wrong kind of foreign metadata is found (on\n");
1447 printf(" decoding) or if the foreign could not be parsed,\n");
1448 printf(" i.e. all foreign metadata related errors are\n");
1449 printf(" treated as warnings.\n");
1450 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1451 printf(" be used both for encoding and decoding. The\n");
1452 printf(" alternative form mm:ss.ss can be used to specify\n");
1453 printf(" minutes, seconds, and fractions of a second.\n");
1454 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1455 printf(" file. The given sample number is not included\n");
1456 printf(" in the decoded output. The alternative form\n");
1457 printf(" mm:ss.ss can be used to specify minutes,\n");
1458 printf(" seconds, and fractions of a second. If a `+'\n");
1459 printf(" sign is at the beginning, the --until point is\n");
1460 printf(" relative to the --skip point. If a `-' sign is\n");
1461 printf(" at the beginning, the --until point is relative\n");
1462 printf(" to end of the audio.\n");
1463 #if FLAC__HAS_OGG
1464 printf(" --ogg When encoding, generate Ogg FLAC output instead\n");
1465 printf(" of native FLAC. Ogg FLAC streams are FLAC\n");
1466 printf(" streams wrapped in an Ogg transport layer. The\n");
1467 printf(" resulting file should have an '.oga' extension\n");
1468 printf(" and will still be decodable by flac. When\n");
1469 printf(" decoding, force the input to be treated as\n");
1470 printf(" Ogg FLAC. This is useful when piping input\n");
1471 printf(" from stdin or when the filename does not end in\n");
1472 printf(" '.oga' or '.ogg'.\n");
1473 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1474 printf(" encoding and no serial number is given, flac\n");
1475 printf(" uses a random one. If encoding to multiple files\n");
1476 printf(" the serial number is incremented for each file.\n");
1477 printf(" When decoding and no number is given, flac uses\n");
1478 printf(" the serial number of the first page.\n");
1479 #endif
1480 printf("analysis options:\n");
1481 printf(" --residual-text Include residual signal in text output. This\n");
1482 printf(" will make the file very big, much larger than\n");
1483 printf(" even the decoded file.\n");
1484 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1485 printf(" of each subframe\n");
1486 printf("decoding options:\n");
1487 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1488 printf(" and removes the partially decoded file if it\n");
1489 printf(" encounters a bitstream error. With -F, errors\n");
1490 printf(" are still printed but flac will continue\n");
1491 printf(" decoding to completion. Note that errors may\n");
1492 printf(" cause the decoded audio to be missing some\n");
1493 printf(" samples or have silent sections.\n");
1494 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n");
1495 printf(" decode. The optional first #.# is the track and\n");
1496 printf(" index point at which decoding will start; the\n");
1497 printf(" default is the beginning of the stream. The\n");
1498 printf(" optional second #.# is the track and index point\n");
1499 printf(" at which decoding will end; the default is the\n");
1500 printf(" end of the stream. If the cuepoint does not\n");
1501 printf(" exist, the closest one before it (for the start\n");
1502 printf(" point) or after it (for the end point) will be\n");
1503 printf(" used. The cuepoints are merely translated into\n");
1504 printf(" sample numbers then used as --skip and --until.\n");
1505 printf(" A CD track can always be cued by, for example,\n");
1506 printf(" --cue=9.1-10.1 for track 9, even if the CD has\n");
1507 printf(" no 10th track.\n");
1508 printf("encoding options:\n");
1509 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1510 printf(" output in parallel and comparing to the\n");
1511 printf(" original\n");
1512 printf(" --lax Allow encoder to generate non-Subset files\n");
1513 printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files;\n");
1514 printf(" useful when piping data from programs which\n");
1515 printf(" generate bogus data chunk sizes.\n");
1516 printf(" --replay-gain Calculate ReplayGain values and store them as\n");
1517 printf(" FLAC tags. Title gains/peaks will be computed\n");
1518 printf(" for each file, and an album gain/peak will be\n");
1519 printf(" computed for all files. All input files must\n");
1520 printf(" have the same resolution, sample rate, and\n");
1521 printf(" number of channels. Only mono and stereo files\n");
1522 printf(" are allowed, and the sample rate must be 8,\n");
1523 printf(" 11.025, 12, 16, 18.9, 22.05, 24, 28, 32, 36,\n");
1524 printf(" 37.8, 44.1, 48, 56, 64, 72, 75.6, 88.2, 96, 112,\n");
1525 printf(" 128, 144, 151.2, 176.4, 192, 224, 256, 288,\n");
1526 printf(" 302.4, 352.8, 384, 448, 512, 576, or 604.8 kHz.\n");
1527 printf(" NOTE: this option may also leave a few extra\n");
1528 printf(" bytes in the PADDING block.\n");
1529 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1530 printf(" a CUESHEET metadata block. This option may only\n");
1531 printf(" be used when encoding a single file. A\n");
1532 printf(" seekpoint will be added for each index point in\n");
1533 printf(" the cuesheet to the SEEKTABLE unless\n");
1534 printf(" --no-cued-seekpoints is specified.\n");
1535 printf(" --picture=SPECIFICATION Import a picture and store it in a PICTURE block.\n");
1536 printf(" More than one --picture command can be specified.\n");
1537 printf(" The SPECIFICATION can either be a simple filename\n");
1538 printf(" for the picture file, or a complete specification\n");
1539 printf(" whose parts are separated by | characters. Some\n");
1540 printf(" parts may be left empty to invoke default values.\n");
1541 printf(" Using a filename is shorthand for \"||||FILE\".\n");
1542 printf(" The SPECIFICATION format is:\n");
1543 printf(" [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n");
1544 printf(" TYPE is optional; it is a number from one of:\n");
1545 printf(" 0: Other\n");
1546 printf(" 1: 32x32 pixels 'file icon' (PNG only)\n");
1547 printf(" 2: Other file icon\n");
1548 printf(" 3: Cover (front)\n");
1549 printf(" 4: Cover (back)\n");
1550 printf(" 5: Leaflet page\n");
1551 printf(" 6: Media (e.g. label side of CD)\n");
1552 printf(" 7: Lead artist/lead performer/soloist\n");
1553 printf(" 8: Artist/performer\n");
1554 printf(" 9: Conductor\n");
1555 printf(" 10: Band/Orchestra\n");
1556 printf(" 11: Composer\n");
1557 printf(" 12: Lyricist/text writer\n");
1558 printf(" 13: Recording Location\n");
1559 printf(" 14: During recording\n");
1560 printf(" 15: During performance\n");
1561 printf(" 16: Movie/video screen capture\n");
1562 printf(" 17: A bright coloured fish\n");
1563 printf(" 18: Illustration\n");
1564 printf(" 19: Band/artist logotype\n");
1565 printf(" 20: Publisher/Studio logotype\n");
1566 printf(" The default is 3 (front cover). There may only be one picture each\n");
1567 printf(" of type 1 and 2 in a file.\n");
1568 printf(" MIME-TYPE is optional; if left blank, it will be detected from the\n");
1569 printf(" file. For best compatibility with players, use pictures with MIME\n");
1570 printf(" type image/jpeg or image/png. The MIME type can also be --> to\n");
1571 printf(" mean that FILE is actually a URL to an image, though this use is\n");
1572 printf(" discouraged.\n");
1573 printf(" DESCRIPTION is optional; the default is an empty string\n");
1574 printf(" The next part specifies the resolution and color information. If\n");
1575 printf(" the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n");
1576 printf(" usually leave this empty and they can be detected from the file.\n");
1577 printf(" Otherwise, you must specify the width in pixels, height in pixels,\n");
1578 printf(" and color depth in bits-per-pixel. If the image has indexed colors\n");
1579 printf(" you should also specify the number of colors used.\n");
1580 printf(" FILE is the path to the picture file to be imported, or the URL if\n");
1581 printf(" MIME type is -->\n");
1582 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n");
1583 printf(" comment if necessary. This option may appear\n");
1584 printf(" more than once to add several comments. NOTE:\n");
1585 printf(" all tags will be added to all encoded files.\n");
1586 printf(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n");
1587 printf(" whose contents will be read verbatim to set the\n");
1588 printf(" tag value. The contents will be converted to\n");
1589 printf(" UTF-8 from the local charset. This can be used\n");
1590 printf(" to store a cuesheet in a tag (e.g.\n");
1591 printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n");
1592 printf(" try to store binary data in tag fields! Use\n");
1593 printf(" APPLICATION blocks for that.\n");
1594 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1595 printf(" # : a specific sample number for a seek point\n");
1596 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1597 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1598 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1599 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1600 printf(" ified union of all such values.\n");
1601 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1602 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1603 printf(" input size before starting.\n");
1604 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1605 printf(" either no seek point entered (if the input size is determinable\n");
1606 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1607 printf(" determinable)\n");
1608 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1609 printf(" block of the given length (in bytes) after the\n");
1610 printf(" STREAMINFO block. This is useful if you plan\n");
1611 printf(" to tag the file later with an APPLICATION\n");
1612 printf(" block; instead of having to rewrite the entire\n");
1613 printf(" file later just to insert your block, you can\n");
1614 printf(" write directly over the PADDING block. Note\n");
1615 printf(" that the total length of the PADDING block will\n");
1616 printf(" be 4 bytes longer than the length given because\n");
1617 printf(" of the 4 metadata block header bytes. You can\n");
1618 printf(" force no PADDING block at all to be written with\n");
1619 printf(" --no-padding. The encoder writes a PADDING\n");
1620 printf(" block of 8192 bytes by default, or 65536 bytes\n");
1621 printf(" if the input audio is more than 20 minutes long.\n");
1622 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1623 printf(" 1152 for -l 0, else 4096; for subset streams this\n");
1624 printf(" must be <= 4608 if the samplerate <= 48kHz,\n");
1625 printf(" for subset streams with a higher samplerates it\n");
1626 printf(" must be <= 16384.\n");
1627 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n");
1628 printf(" --no-mid-side\n");
1629 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n");
1630 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1631 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n");
1632 printf(" --no-mid-side\n");
1633 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n");
1634 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n");
1635 printf(" -5 is the default setting\n");
1636 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n");
1637 printf(" -A subdivide_tukey(2)\n");
1638 printf(" -7, --compression-level-7 Synonymous with -l 12 -b 4096 -m -r 6\n");
1639 printf(" -A subdivide_tukey(2)\n");
1640 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -r 6\n");
1641 printf(" -A subdivide_tukey(3)\n");
1642 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1643 printf(" (stereo only)\n");
1644 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1645 printf(" (stereo only)\n");
1646 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1647 printf(" -A, --apodization=\"function\" Window audio data with given the function.\n");
1648 printf(" The functions are: bartlett, bartlett_hann,\n");
1649 printf(" blackman, blackman_harris_4term_92db,\n");
1650 printf(" connes, flattop, gauss(STDDEV), hamming,\n");
1651 printf(" hann, kaiser_bessel, nuttall, rectangle,\n");
1652 printf(" triangle, tukey(P), welch, partial_tukey(n)\n");
1653 printf(" punchout_tukey(n) and subdivide_tukey(n).\n");
1654 printf(" More than one may be specified but encoding\n");
1655 printf(" time is a multiple of the number of\n");
1656 printf(" functions since they are each tried in \n");
1657 printf(" turn. The encoder chooses suitable\n");
1658 printf(" defaults in the absence of any -A options.\n");
1659 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors.\n");
1660 printf(" Must be <= 12 for Subset streams if sample\n");
1661 printf(" rate is <=48kHz.\n");
1662 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1663 printf(" quantization (expensive!); overrides -q;\n");
1664 printf(" does nothing if using -l 0\n");
1665 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1666 printf(" linear-predictor coefficients; 0 => let\n");
1667 printf(" encoder decide (the minimum is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1668 printf(" default is -q 0)\n");
1669 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1670 printf(" (# is 0 to 15 inclusive; min defaults to 0;\n");
1671 printf(" the default is -r 0; above 4 does not\n");
1672 printf(" usually help much)\n");
1673 printf(" --limit-min-bitrate Limit minimum bitrate by not allowing\n");
1674 printf(" frames consisting of only constant\n");
1675 printf(" subframes. This ensures a bitrate of at\n");
1676 printf(" least 1 bit/sample, for example 48kbit/s\n");
1677 printf(" for 48kHz input. This is mostly beneficial\n");
1678 printf(" for internet streaming.\n");
1679 printf("format options:\n");
1680 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1681 printf(" decoding) to be treated as raw samples\n");
1682 printf(" --force-aiff-format\n");
1683 printf(" --force-rf64-format\n");
1684 printf(" --force-wave64-format\n");
1685 printf(" Force the decoder to output AIFF/RF64/WAVE64 format respectively.\n");
1686 printf(" This option is not needed if the output filename (as set by -o)\n");
1687 printf(" ends with *.aif* or *.aiff*, *.rf64* and *.w64* respectively. Also,\n");
1688 printf(" this option has no effect when encoding since input is\n");
1689 printf(" auto-detected. When none of these options nor\n");
1690 printf(" --keep-foreign-metadata are given and no output filename is set,\n");
1691 printf(" the output format is WAV by default.\n");
1692 printf(" --force-legacy-wave-format\n");
1693 printf(" --force-extensible-wave-format\n");
1694 printf(" Instruct the decoder to output a WAVE file with WAVE_FORMAT_PCM and\n");
1695 printf(" WAVE_FORMAT_EXTENSIBLE respectively. If none of these options nor\n");
1696 printf(" --keep-foreign-metadata are given, FLAC outputs WAVE_FORMAT_PCM\n");
1697 printf(" for mono or stereo with a bit depth of 8 or 16 bits, and\n");
1698 printf(" WAVE_FORMAT_EXTENSIBLE for all other audio formats.\n");
1699 printf(" --force-aiff-c-none-format\n");
1700 printf(" --force-aiff-c-sowt-format\n");
1701 printf(" Instruct the decoder to output an AIFF-C file with format NONE and\n");
1702 printf(" sowt respectively.\n");
1703 printf("raw format options:\n");
1704 printf(" --endian={big|little} Set byte order for samples\n");
1705 printf(" --channels=# Number of channels\n");
1706 printf(" --bps=# Number of bits per sample\n");
1707 printf(" --sample-rate=# Sample rate in Hz\n");
1708 printf(" --sign={signed|unsigned} Sign of samples\n");
1709 printf(" --input-size=# Size of the raw input in bytes. If you are\n");
1710 printf(" encoding raw samples from stdin, you must set\n");
1711 printf(" this option in order to be able to use --skip,\n");
1712 printf(" --until, --cuesheet, or other options that need\n");
1713 printf(" to know the size of the input beforehand. If\n");
1714 printf(" the size given is greater than what is found in\n");
1715 printf(" the input stream, the encoder will complain\n");
1716 printf(" about an unexpected end-of-file. If the size\n");
1717 printf(" given is less, samples will be truncated.\n");
1718 printf("negative options:\n");
1719 printf(" --no-adaptive-mid-side\n");
1720 printf(" --no-cued-seekpoints\n");
1721 printf(" --no-decode-through-errors\n");
1722 printf(" --no-delete-input-file\n");
1723 printf(" --no-preserve-modtime\n");
1724 printf(" --no-keep-foreign-metadata\n");
1725 printf(" --no-exhaustive-model-search\n");
1726 printf(" --no-lax\n");
1727 printf(" --no-mid-side\n");
1728 #if FLAC__HAS_OGG
1729 printf(" --no-ogg\n");
1730 #endif
1731 printf(" --no-padding\n");
1732 printf(" --no-qlp-coeff-prec-search\n");
1733 printf(" --no-residual-gnuplot\n");
1734 printf(" --no-residual-text\n");
1735 printf(" --no-ignore-chunk-sizes\n");
1736 printf(" --no-seektable\n");
1737 printf(" --no-silent\n");
1738 printf(" --no-force\n");
1739 printf(" --no-verify\n");
1740 printf(" --no-warnings-as-errors\n");
1741 }
1742
format_mistake(const char * infilename,FileFormat wrong,FileFormat right)1743 void format_mistake(const char *infilename, FileFormat wrong, FileFormat right)
1744 {
1745 /* WATCHOUT: indexed by FileFormat */
1746 flac__utils_printf(stderr, 1, "WARNING: %s is not a%s file; treating as a%s file\n", infilename, FileFormatString[wrong], FileFormatString[right]);
1747 }
1748
encode_file(const char * infilename,FLAC__bool is_first_file,FLAC__bool is_last_file)1749 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1750 {
1751 FILE *encode_infile;
1752 FLAC__byte lookahead[12];
1753 uint32_t lookahead_length = 0, master_chunk_size = 0;
1754 FileFormat input_format = FORMAT_RAW;
1755 int retval;
1756 FLAC__off_t infilesize;
1757 encode_options_t encode_options;
1758 const char *outfilename = get_encoded_outfilename(infilename); /* the final name of the encoded file */
1759 /* internal_outfilename is the file we will actually write to; it will be a temporary name if infilename==outfilename */
1760 char *internal_outfilename = 0; /* NULL implies 'use outfilename' */
1761 size_t infilename_length;
1762
1763 if(0 == outfilename) {
1764 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1765 return 1;
1766 }
1767
1768 if(0 == strcmp(infilename, "-")) {
1769 infilesize = (FLAC__off_t)(-1);
1770 encode_infile = grabbag__file_get_binary_stdin();
1771 }
1772 else
1773 {
1774 infilesize = grabbag__file_get_filesize(infilename);
1775 if(0 == (encode_infile = flac_fopen(infilename, "rb"))) {
1776 flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno));
1777 return 1;
1778 }
1779 }
1780
1781 if(!option_values.force_raw_format) {
1782 /* first set format based on name */
1783 infilename_length = strlen(infilename);
1784 if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".wav"))
1785 input_format = FORMAT_WAVE;
1786 else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".rf64"))
1787 input_format = FORMAT_RF64;
1788 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".w64"))
1789 input_format = FORMAT_WAVE64;
1790 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".aif"))
1791 input_format = FORMAT_AIFF;
1792 else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".aiff"))
1793 input_format = FORMAT_AIFF;
1794 else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".flac"))
1795 input_format = FORMAT_FLAC;
1796 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".oga"))
1797 input_format = FORMAT_OGGFLAC;
1798 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".ogg"))
1799 input_format = FORMAT_OGGFLAC;
1800
1801 /* attempt to guess the file type based on the first 12 bytes */
1802 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1803 /* all supported non-raw formats have at least 12 bytes of header to read */
1804 if(input_format != FORMAT_RAW) {
1805 format_mistake(infilename, input_format, FORMAT_RAW);
1806 if(option_values.treat_warnings_as_errors) {
1807 conditional_fclose(encode_infile);
1808 return 1;
1809 }
1810 }
1811 /* force to raw */
1812 input_format = FORMAT_RAW;
1813 }
1814 else {
1815 if(!memcmp(lookahead, "ID3", 3)) {
1816 flac__utils_printf(stderr, 1, "ERROR: input file %s has an ID3v2 tag\n", infilename);
1817 conditional_fclose(encode_infile);
1818 return 1;
1819 }
1820 else if(!memcmp(lookahead, "RIFF", 4) && !memcmp(lookahead+8, "WAVE", 4))
1821 input_format = FORMAT_WAVE;
1822 else if(!memcmp(lookahead, "RF64", 4) && !memcmp(lookahead+8, "WAVE", 4))
1823 input_format = FORMAT_RF64;
1824 else if(!memcmp(lookahead, "riff\x2E\x91\xCF\x11\xA5\xD6\x28\xDB", 12)) /* just check 1st 12 bytes of GUID */
1825 input_format = FORMAT_WAVE64;
1826 else if(!memcmp(lookahead, "FORM", 4) && !memcmp(lookahead+8, "AIFF", 4))
1827 input_format = FORMAT_AIFF;
1828 else if(!memcmp(lookahead, "FORM", 4) && !memcmp(lookahead+8, "AIFC", 4))
1829 input_format = FORMAT_AIFF_C;
1830 else if(!memcmp(lookahead, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING)))
1831 input_format = FORMAT_FLAC;
1832 /*@@@ 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. */
1833 else if(!memcmp(lookahead, "OggS", 4))
1834 input_format = FORMAT_OGGFLAC;
1835 else {
1836 /* didn't find header of any supported format */
1837 if(input_format != FORMAT_RAW) {
1838 format_mistake(infilename, input_format, FORMAT_RAW);
1839 if(option_values.treat_warnings_as_errors) {
1840 conditional_fclose(encode_infile);
1841 return 1;
1842 }
1843 }
1844 /* force to raw */
1845 input_format = FORMAT_RAW;
1846 }
1847 }
1848 }
1849
1850 if(!option_values.ignore_chunk_sizes
1851 && (input_format == FORMAT_WAVE || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C)
1852 && infilesize >= UINT32_MAX) {
1853 conditional_fclose(encode_infile);
1854 return usage_error("ERROR: file %s is too large to be valid.\n"
1855 "Please consult the manual on the --ignore-chunk-sizes option\n\n", infilename);
1856 }
1857
1858 if(input_format == FORMAT_WAVE || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C) {
1859 memcpy(&master_chunk_size,lookahead+4,sizeof(master_chunk_size));
1860 if((input_format != FORMAT_WAVE) != CPU_IS_BIG_ENDIAN /* logical xor */)
1861 /* true for WAVE on big endian CPUs or AIFF/AIFF-C on little endian CPUs */
1862 master_chunk_size = ENDSWAP_32(master_chunk_size);
1863
1864 if(infilesize != (FLAC__off_t)(-1) && infilesize > 8 && (infilesize - 8) != master_chunk_size) {
1865 flac__utils_printf(stderr, 1, "WARNING: %s chunk size of file %s does not agree with filesize\n", (input_format == FORMAT_WAVE)?"RIFF":"FORM", infilename);
1866 if(option_values.treat_warnings_as_errors)
1867 return 1;
1868 }
1869 }
1870
1871 if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) {
1872 if(encode_infile == stdin || option_values.force_to_stdout) {
1873 conditional_fclose(encode_infile);
1874 return usage_error("ERROR: --keep-foreign-metadata cannot be used when encoding from stdin or to stdout\n");
1875 }
1876 if(input_format != FORMAT_WAVE && input_format != FORMAT_WAVE64 && input_format != FORMAT_RF64 && input_format != FORMAT_AIFF && input_format != FORMAT_AIFF_C) {
1877 conditional_fclose(encode_infile);
1878 return usage_error("ERROR: --keep-foreign-metadata can only be used with WAVE, Wave64, RF64, or AIFF input\n");
1879 }
1880 }
1881
1882 /*
1883 * Error if output file already exists (and -f not used).
1884 * Use grabbag__file_get_filesize() as a cheap way to check.
1885 */
1886 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (FLAC__off_t)(-1)) {
1887 if(input_format == FORMAT_FLAC) {
1888 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1889 flac__utils_printf(stderr, 1,
1890 "ERROR: output file %s already exists.\n\n"
1891 "By default flac encodes files to FLAC format; if you meant to decode this file\n"
1892 "from FLAC to something else, use -d. If you meant to re-encode this file from\n"
1893 "FLAC to FLAC again, use -f to force writing to the same file, or -o to specify\n"
1894 "a different output filename.\n",
1895 outfilename
1896 );
1897 }
1898 else if(input_format == FORMAT_OGGFLAC) {
1899 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1900 flac__utils_printf(stderr, 1,
1901 "ERROR: output file %s already exists.\n\n"
1902 "By default 'flac -ogg' encodes files to Ogg FLAC format; if you meant to decode\n"
1903 "this file from Ogg FLAC to something else, use -d. If you meant to re-encode\n"
1904 "this file from Ogg FLAC to Ogg FLAC again, use -f to force writing to the same\n"
1905 "file, or -o to specify a different output filename.\n",
1906 outfilename
1907 );
1908 }
1909 else
1910 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1911 conditional_fclose(encode_infile);
1912 return 1;
1913 }
1914
1915 if(option_values.format_input_size >= 0) {
1916 if (input_format != FORMAT_RAW || infilesize >= 0) {
1917 flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n");
1918 conditional_fclose(encode_infile);
1919 return 1;
1920 }
1921 else {
1922 infilesize = option_values.format_input_size;
1923 }
1924 }
1925
1926 if(input_format == FORMAT_RAW) {
1927 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) {
1928 conditional_fclose(encode_infile);
1929 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1930 }
1931 }
1932 else {
1933 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) {
1934 conditional_fclose(encode_infile);
1935 return usage_error("ERROR: raw format options (--endian, --sign, --channels, --bps, and --sample-rate) are not allowed for non-raw input\n");
1936 }
1937 }
1938
1939 if(option_values.force_to_stdout) {
1940 if(option_values.replay_gain) {
1941 conditional_fclose(encode_infile);
1942 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1943 }
1944 }
1945 if(option_values.replay_gain && option_values.use_ogg) {
1946 conditional_fclose(encode_infile);
1947 return usage_error("ERROR: --replay-gain cannot be used when encoding to Ogg FLAC yet\n");
1948 }
1949
1950 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &encode_options.skip_specification) || encode_options.skip_specification.is_relative) {
1951 conditional_fclose(encode_infile);
1952 return usage_error("ERROR: invalid value for --skip\n");
1953 }
1954
1955 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 */
1956 conditional_fclose(encode_infile);
1957 return usage_error("ERROR: invalid value for --until\n");
1958 }
1959 /* if there is no "--until" we want to default to "--until=-0" */
1960 if(0 == option_values.until_specification)
1961 encode_options.until_specification.is_relative = true;
1962
1963 encode_options.verify = option_values.verify;
1964 encode_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors;
1965 #if FLAC__HAS_OGG
1966 encode_options.use_ogg = option_values.use_ogg;
1967 /* set a random serial number if one has not yet been specified */
1968 if(!option_values.has_serial_number) {
1969 option_values.serial_number = rand();
1970 option_values.has_serial_number = true;
1971 }
1972 encode_options.serial_number = option_values.serial_number++;
1973 #endif
1974 encode_options.lax = option_values.lax;
1975 encode_options.padding = option_values.padding;
1976 encode_options.num_compression_settings = option_values.num_compression_settings;
1977 FLAC__ASSERT(sizeof(encode_options.compression_settings) >= sizeof(option_values.compression_settings));
1978 memcpy(encode_options.compression_settings, option_values.compression_settings, sizeof(option_values.compression_settings));
1979 encode_options.requested_seek_points = option_values.requested_seek_points;
1980 encode_options.num_requested_seek_points = option_values.num_requested_seek_points;
1981 encode_options.cuesheet_filename = option_values.cuesheet_filename;
1982 encode_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1983 encode_options.cued_seekpoints = option_values.cued_seekpoints;
1984 encode_options.channel_map_none = option_values.channel_map_none;
1985 encode_options.is_first_file = is_first_file;
1986 encode_options.is_last_file = is_last_file;
1987 encode_options.replay_gain = option_values.replay_gain;
1988 encode_options.ignore_chunk_sizes = option_values.ignore_chunk_sizes;
1989 encode_options.vorbis_comment = option_values.vorbis_comment;
1990 FLAC__ASSERT(sizeof(encode_options.pictures) >= sizeof(option_values.pictures));
1991 memcpy(encode_options.pictures, option_values.pictures, sizeof(option_values.pictures));
1992 encode_options.num_pictures = option_values.num_pictures;
1993 encode_options.format = input_format;
1994 encode_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1995 encode_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1996 encode_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1997 encode_options.debug.do_md5 = option_values.debug.do_md5;
1998 encode_options.error_on_compression_fail = option_values.error_on_compression_fail;
1999 encode_options.limit_min_bitrate = option_values.limit_min_bitrate;
2000 encode_options.relaxed_foreign_metadata_handling = option_values.keep_foreign_metadata_if_present;
2001
2002 /* if infilename and outfilename point to the same file, we need to write to a temporary file */
2003 if(encode_infile != stdin && grabbag__file_are_same(infilename, outfilename)) {
2004 static const char *tmp_suffix = ".tmp,fl-ac+en'c";
2005 size_t dest_len = strlen(outfilename) + strlen(tmp_suffix) + 1;
2006 /*@@@@ still a remote possibility that a file with this filename exists */
2007 if((internal_outfilename = safe_malloc_(dest_len)) == NULL) {
2008 flac__utils_printf(stderr, 1, "ERROR allocating memory for tempfile name\n");
2009 conditional_fclose(encode_infile);
2010 return 1;
2011 }
2012 flac_snprintf(internal_outfilename, dest_len, "%s%s", outfilename, tmp_suffix);
2013 }
2014
2015 if(input_format == FORMAT_RAW) {
2016 encode_options.format_options.raw.is_big_endian = option_values.format_is_big_endian;
2017 encode_options.format_options.raw.is_unsigned_samples = option_values.format_is_unsigned_samples;
2018 encode_options.format_options.raw.channels = option_values.format_channels;
2019 encode_options.format_options.raw.bps = option_values.format_bps;
2020 encode_options.format_options.raw.sample_rate = option_values.format_sample_rate;
2021
2022 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
2023 }
2024 else if(input_format == FORMAT_FLAC || input_format == FORMAT_OGGFLAC) {
2025 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
2026 }
2027 else if(input_format == FORMAT_WAVE || input_format == FORMAT_WAVE64 || input_format == FORMAT_RF64 || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C) {
2028 encode_options.format_options.iff.foreign_metadata = 0;
2029
2030 /* initialize foreign metadata if requested */
2031 if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) {
2032 encode_options.format_options.iff.foreign_metadata =
2033 flac__foreign_metadata_new(
2034 input_format==FORMAT_WAVE || input_format==FORMAT_RF64?
2035 FOREIGN_BLOCK_TYPE__RIFF :
2036 input_format==FORMAT_WAVE64?
2037 FOREIGN_BLOCK_TYPE__WAVE64 :
2038 FOREIGN_BLOCK_TYPE__AIFF
2039 );
2040 if(0 == encode_options.format_options.iff.foreign_metadata) {
2041 flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n");
2042 conditional_fclose(encode_infile);
2043 if(internal_outfilename != 0)
2044 free(internal_outfilename);
2045 return 1;
2046 }
2047 }
2048
2049 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
2050
2051 if(encode_options.format_options.iff.foreign_metadata)
2052 flac__foreign_metadata_delete(encode_options.format_options.iff.foreign_metadata);
2053 }
2054 else {
2055 FLAC__ASSERT(0);
2056 retval = 1; /* double protection */
2057 }
2058
2059 if(retval == 0) {
2060 if(strcmp(outfilename, "-")) {
2061 if(option_values.replay_gain) {
2062 float title_gain, title_peak;
2063 const char *error;
2064 grabbag__replaygain_get_title(&title_gain, &title_peak);
2065 if(
2066 0 != (error = grabbag__replaygain_store_to_file_reference(internal_outfilename? internal_outfilename : outfilename, option_values.preserve_modtime)) ||
2067 0 != (error = grabbag__replaygain_store_to_file_title(internal_outfilename? internal_outfilename : outfilename, title_gain, title_peak, option_values.preserve_modtime))
2068 ) {
2069 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain reference/title tags (%s)\n", outfilename, error);
2070 retval = 1;
2071 }
2072 }
2073 if(option_values.preserve_modtime && strcmp(infilename, "-"))
2074 grabbag__file_copy_metadata(infilename, internal_outfilename? internal_outfilename : outfilename);
2075 }
2076 }
2077
2078 /* rename temporary file if necessary */
2079 if(retval == 0 && internal_outfilename != 0) {
2080 if(flac_rename(internal_outfilename, outfilename) < 0) {
2081 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
2082 /* on some flavors of windows, flac_rename() will fail if the destination already exists, so we unlink and try again */
2083 if(flac_unlink(outfilename) < 0) {
2084 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);
2085 retval = 1;
2086 }
2087 else if(flac_rename(internal_outfilename, outfilename) < 0) {
2088 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);
2089 retval = 1;
2090 }
2091 #else
2092 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);
2093 retval = 1;
2094 #endif
2095 }
2096 }
2097
2098 /* handle --delete-input-file, but don't want to delete if piping from stdin, or if input filename and output filename are the same */
2099 if(retval == 0 && option_values.delete_input && strcmp(infilename, "-") && internal_outfilename == 0)
2100 flac_unlink(infilename);
2101
2102 if(internal_outfilename != 0)
2103 free(internal_outfilename);
2104
2105 return retval;
2106 }
2107
decode_file(const char * infilename)2108 int decode_file(const char *infilename)
2109 {
2110 int retval;
2111 FLAC__bool treat_as_ogg = false;
2112 FileFormat output_format = FORMAT_WAVE;
2113 FileSubFormat output_subformat = SUBFORMAT_UNSPECIFIED;
2114 decode_options_t decode_options;
2115 foreign_metadata_t *foreign_metadata = 0;
2116 const char *outfilename = get_outfilename(infilename, ". "); /* Placeholder until we know what the actual suffix is */
2117 size_t infilename_length;
2118
2119 if(0 == outfilename) {
2120 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
2121 return 1;
2122 }
2123
2124 if(!option_values.analyze && !option_values.test_only &&(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present)) {
2125 const char *error;
2126 if(0 == strcmp(infilename, "-") || 0 == strcmp(outfilename, "-"))
2127 return usage_error("ERROR: --keep-foreign-metadata cannot be used when decoding from stdin or to stdout\n");
2128 if(output_format == FORMAT_RAW)
2129 return usage_error("ERROR: --keep-foreign-metadata cannot be used with raw output\n");
2130 decode_options.format_options.iff.foreign_metadata = 0;
2131 /* initialize foreign metadata structure */
2132 foreign_metadata = flac__foreign_metadata_new(FOREIGN_BLOCK_TYPE__RIFF); /* RIFF is just a placeholder */
2133 if(0 == foreign_metadata) {
2134 flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n");
2135 return 1;
2136 }
2137 if(!flac__foreign_metadata_read_from_flac(foreign_metadata, infilename, &error)) {
2138 if(option_values.keep_foreign_metadata_if_present) {
2139 flac__utils_printf(stderr, 1, "%s: WARNING reading foreign metadata: %s\n", infilename, error);
2140 if(option_values.treat_warnings_as_errors) {
2141 flac__foreign_metadata_delete(foreign_metadata);
2142 return 1;
2143 }
2144 else {
2145 /* Couldn't find foreign metadata, stop processing */
2146 flac__foreign_metadata_delete(foreign_metadata);
2147 foreign_metadata = 0;
2148 }
2149 }
2150 else {
2151 flac__utils_printf(stderr, 1, "%s: ERROR reading foreign metadata: %s\n", infilename, error);
2152 flac__foreign_metadata_delete(foreign_metadata);
2153 return 1;
2154 }
2155 }
2156 }
2157
2158 if(option_values.force_raw_format)
2159 output_format = FORMAT_RAW;
2160 else if(
2161 option_values.force_aiff_format ||
2162 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) ||
2163 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff"))
2164 )
2165 output_format = FORMAT_AIFF;
2166 else if(
2167 option_values.force_rf64_format ||
2168 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".rf64"))
2169 )
2170 output_format = FORMAT_RF64;
2171 else if(
2172 option_values.force_wave64_format ||
2173 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".w64"))
2174 )
2175 output_format = FORMAT_WAVE64;
2176 else if(foreign_metadata != NULL) {
2177 /* Pick a format based on what the foreign metadata contains */
2178 if(foreign_metadata->type == FOREIGN_BLOCK_TYPE__WAVE64)
2179 output_format = FORMAT_WAVE64;
2180 else if(foreign_metadata->is_rf64)
2181 output_format = FORMAT_RF64;
2182 else if(foreign_metadata->type == FOREIGN_BLOCK_TYPE__AIFF) {
2183 output_format = FORMAT_AIFF;
2184 if(foreign_metadata->is_aifc) {
2185 output_format = FORMAT_AIFF_C;
2186 }
2187 }
2188 else
2189 output_format = FORMAT_WAVE;
2190 }
2191 else
2192 output_format = FORMAT_WAVE;
2193
2194 /* Now do subformats */
2195 if(option_values.force_legacy_wave_format)
2196 output_subformat = SUBFORMAT_WAVE_PCM;
2197 else if(option_values.force_extensible_wave_format)
2198 output_subformat = SUBFORMAT_WAVE_EXTENSIBLE;
2199 else if(option_values.force_aiff_c_none_format) {
2200 output_format = FORMAT_AIFF_C;
2201 output_subformat = SUBFORMAT_AIFF_C_NONE;
2202 }
2203 else if(option_values.force_aiff_c_sowt_format) {
2204 output_format = FORMAT_AIFF_C;
2205 output_subformat = SUBFORMAT_AIFF_C_SOWT;
2206 }
2207 else if(foreign_metadata != NULL) {
2208 if(foreign_metadata->is_wavefmtex)
2209 output_subformat = SUBFORMAT_WAVE_EXTENSIBLE;
2210 else if(output_format == FORMAT_WAVE)
2211 output_subformat = SUBFORMAT_WAVE_PCM;
2212 else if(foreign_metadata->is_aifc) {
2213 if(foreign_metadata->is_sowt)
2214 output_subformat = SUBFORMAT_AIFF_C_SOWT;
2215 else
2216 output_subformat = SUBFORMAT_AIFF_C_NONE;
2217 }
2218 }
2219
2220
2221 /* Check whether output format agrees with foreign metadata */
2222 if(foreign_metadata != NULL) {
2223 if((output_format != FORMAT_WAVE && output_format != FORMAT_RF64) && foreign_metadata->type == FOREIGN_BLOCK_TYPE__RIFF) {
2224 flac__foreign_metadata_delete(foreign_metadata);
2225 return usage_error("ERROR: foreign metadata type RIFF cannot be restored to a%s file, only to WAVE and RF64\n",FileFormatString[output_format]);
2226 }
2227 if((output_format != FORMAT_AIFF && output_format != FORMAT_AIFF_C) && foreign_metadata->type == FOREIGN_BLOCK_TYPE__AIFF) {
2228 flac__foreign_metadata_delete(foreign_metadata);
2229 return usage_error("ERROR: foreign metadata type AIFF cannot be restored to a%s file, only to AIFF and AIFF-C\n",FileFormatString[output_format]);
2230 }
2231 if(output_format != FORMAT_WAVE64 && foreign_metadata->type == FOREIGN_BLOCK_TYPE__WAVE64) {
2232 flac__foreign_metadata_delete(foreign_metadata);
2233 return usage_error("ERROR: foreign metadata type Wave64 cannot be restored to a%s file, only to Wave64\n",FileFormatString[output_format]);
2234 }
2235 }
2236
2237 /* Now reassemble outfilename */
2238 get_decoded_outfilename(infilename, output_format);
2239
2240 /*
2241 * Error if output file already exists (and -f not used).
2242 * Use grabbag__file_get_filesize() as a cheap way to check.
2243 */
2244 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (FLAC__off_t)(-1)) {
2245 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
2246 flac__foreign_metadata_delete(foreign_metadata);
2247 return 1;
2248 }
2249
2250 if(!option_values.test_only && !option_values.analyze) {
2251 if(output_format == FORMAT_RAW && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0)) {
2252 flac__foreign_metadata_delete(foreign_metadata);
2253 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
2254 }
2255 }
2256
2257 infilename_length = strlen(infilename);
2258 if(option_values.use_ogg)
2259 treat_as_ogg = true;
2260 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".oga"))
2261 treat_as_ogg = true;
2262 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".ogg"))
2263 treat_as_ogg = true;
2264 else
2265 treat_as_ogg = false;
2266
2267 #if !FLAC__HAS_OGG
2268 if(treat_as_ogg) {
2269 flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename);
2270 flac__foreign_metadata_delete(foreign_metadata);
2271 return 1;
2272 }
2273 #endif
2274
2275 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &decode_options.skip_specification) || decode_options.skip_specification.is_relative) {
2276 flac__foreign_metadata_delete(foreign_metadata);
2277 return usage_error("ERROR: invalid value for --skip\n");
2278 }
2279
2280 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 */
2281 flac__foreign_metadata_delete(foreign_metadata);
2282 return usage_error("ERROR: invalid value for --until\n");
2283 }
2284 /* if there is no "--until" we want to default to "--until=-0" */
2285 if(0 == option_values.until_specification)
2286 decode_options.until_specification.is_relative = true;
2287
2288 if(option_values.cue_specification) {
2289 if(!flac__utils_parse_cue_specification(option_values.cue_specification, &decode_options.cue_specification)) {
2290 flac__foreign_metadata_delete(foreign_metadata);
2291 return usage_error("ERROR: invalid value for --cue\n");
2292 }
2293 decode_options.has_cue_specification = true;
2294 }
2295 else
2296 decode_options.has_cue_specification = false;
2297
2298 decode_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors;
2299 decode_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
2300 decode_options.relaxed_foreign_metadata_handling = option_values.keep_foreign_metadata_if_present;
2301 decode_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
2302 decode_options.force_subformat = output_subformat;
2303 #if FLAC__HAS_OGG
2304 decode_options.is_ogg = treat_as_ogg;
2305 decode_options.use_first_serial_number = !option_values.has_serial_number;
2306 decode_options.serial_number = option_values.serial_number;
2307 #endif
2308 decode_options.channel_map_none = option_values.channel_map_none;
2309 decode_options.format = output_format;
2310
2311 if(output_format == FORMAT_RAW) {
2312 decode_options.format_options.raw.is_big_endian = option_values.format_is_big_endian;
2313 decode_options.format_options.raw.is_unsigned_samples = option_values.format_is_unsigned_samples;
2314
2315 retval = flac__decode_file(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, decode_options);
2316 }
2317 else {
2318 decode_options.format_options.iff.foreign_metadata = foreign_metadata;
2319
2320 retval = flac__decode_file(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, decode_options);
2321
2322 }
2323
2324 if(foreign_metadata)
2325 flac__foreign_metadata_delete(foreign_metadata);
2326
2327 if(retval == 0 && strcmp(infilename, "-")) {
2328 if(option_values.preserve_modtime && strcmp(outfilename, "-"))
2329 grabbag__file_copy_metadata(infilename, outfilename);
2330 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
2331 flac_unlink(infilename);
2332 }
2333
2334 return retval;
2335 }
2336
get_encoded_outfilename(const char * infilename)2337 const char *get_encoded_outfilename(const char *infilename)
2338 {
2339 const char *suffix = (option_values.use_ogg? ".oga" : ".flac");
2340 const char *p;
2341
2342 if(option_values.output_prefix) {
2343 p = grabbag__file_get_basename(infilename);
2344 }
2345 else {
2346 p = infilename;
2347 }
2348
2349 return get_outfilename(p, suffix);
2350 }
2351
get_decoded_outfilename(const char * infilename,const FileFormat format)2352 const char *get_decoded_outfilename(const char *infilename, const FileFormat format)
2353 {
2354 const char *suffix;
2355 const char *p;
2356
2357 if(option_values.output_prefix) {
2358 p = grabbag__file_get_basename(infilename);
2359 }
2360 else {
2361 p = infilename;
2362 }
2363
2364 if(option_values.analyze) {
2365 suffix = ".ana";
2366 }
2367 else if(format == FORMAT_RAW) {
2368 suffix = ".raw";
2369 }
2370 else if(format == FORMAT_AIFF) {
2371 suffix = ".aiff";
2372 }
2373 else if(format == FORMAT_AIFF_C) {
2374 suffix = ".aifc";
2375 }
2376 else if(format == FORMAT_RF64) {
2377 suffix = ".rf64";
2378 }
2379 else if(format == FORMAT_WAVE64) {
2380 suffix = ".w64";
2381 }
2382 else {
2383 suffix = ".wav";
2384 }
2385 return get_outfilename(p, suffix);
2386 }
2387
get_outfilename(const char * infilename,const char * suffix)2388 const char *get_outfilename(const char *infilename, const char *suffix)
2389 {
2390 if(0 == option_values.cmdline_forced_outfilename) {
2391 static char buffer[4096];
2392
2393 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
2394 buffer [0] = '-';
2395 buffer [1] = 0;
2396 }
2397 else {
2398 char *p;
2399 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
2400 return 0;
2401 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
2402 return 0;
2403 /* the . must come after any / to avoid problems with, e.g. "some.directory/extensionless-filename" */
2404 if(0 == (p = strrchr(buffer, '.')) || strchr(p, '/')) {
2405 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
2406 return 0;
2407 }
2408 else {
2409 *p = '\0';
2410 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
2411 return 0;
2412 }
2413 }
2414 return buffer;
2415 }
2416 else
2417 return option_values.cmdline_forced_outfilename;
2418 }
2419
die(const char * message)2420 void die(const char *message)
2421 {
2422 FLAC__ASSERT(0 != message);
2423 flac__utils_printf(stderr, 1, "ERROR: %s\n", message);
2424 exit(1);
2425 }
2426
conditional_fclose(FILE * f)2427 int conditional_fclose(FILE *f)
2428 {
2429 if(f == 0 || f == stdin || f == stdout)
2430 return 0;
2431 else
2432 return fclose(f);
2433 }
2434
local_strdup(const char * source)2435 char *local_strdup(const char *source)
2436 {
2437 char *ret;
2438 FLAC__ASSERT(0 != source);
2439 if(0 == (ret = strdup(source)))
2440 die("out of memory during strdup()");
2441 return ret;
2442 }
2443