1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000-2009 Josh Coalson
3 * Copyright (C) 2011-2022 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 { "sector-align" , share__no_argument, 0, 0 }, /* DEPRECATED */
155 { "seekpoint" , share__required_argument, 0, 'S' },
156 { "padding" , share__required_argument, 0, 'P' },
157 #if FLAC__HAS_OGG
158 { "ogg" , share__no_argument, 0, 0 },
159 { "serial-number" , share__required_argument, 0, 0 },
160 #endif
161 { "blocksize" , share__required_argument, 0, 'b' },
162 { "exhaustive-model-search" , share__no_argument, 0, 'e' },
163 { "max-lpc-order" , share__required_argument, 0, 'l' },
164 { "apodization" , share__required_argument, 0, 'A' },
165 { "mid-side" , share__no_argument, 0, 'm' },
166 { "adaptive-mid-side" , share__no_argument, 0, 'M' },
167 { "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
168 { "qlp-coeff-precision" , share__required_argument, 0, 'q' },
169 { "rice-partition-order" , share__required_argument, 0, 'r' },
170 { "endian" , share__required_argument, 0, 0 },
171 { "channels" , share__required_argument, 0, 0 },
172 { "bps" , share__required_argument, 0, 0 },
173 { "sample-rate" , share__required_argument, 0, 0 },
174 { "sign" , share__required_argument, 0, 0 },
175 { "input-size" , share__required_argument, 0, 0 },
176 { "error-on-compression-fail" , share__no_argument, 0, 0 },
177 { "limit-min-bitrate" , share__no_argument, 0, 0 },
178
179 /*
180 * analysis options
181 */
182 { "residual-gnuplot", share__no_argument, 0, 0 },
183 { "residual-text", share__no_argument, 0, 0 },
184
185 /*
186 * negatives
187 */
188 { "no-preserve-modtime" , share__no_argument, 0, 0 },
189 { "no-decode-through-errors" , share__no_argument, 0, 0 },
190 { "no-silent" , share__no_argument, 0, 0 },
191 { "no-force" , share__no_argument, 0, 0 },
192 { "no-seektable" , share__no_argument, 0, 0 },
193 { "no-delete-input-file" , share__no_argument, 0, 0 },
194 { "no-keep-foreign-metadata" , share__no_argument, 0, 0 },
195 { "no-replay-gain" , share__no_argument, 0, 0 },
196 { "no-ignore-chunk-sizes" , share__no_argument, 0, 0 },
197 { "no-sector-align" , share__no_argument, 0, 0 }, /* DEPRECATED */
198 { "no-utf8-convert" , share__no_argument, 0, 0 },
199 { "no-lax" , share__no_argument, 0, 0 },
200 #if FLAC__HAS_OGG
201 { "no-ogg" , share__no_argument, 0, 0 },
202 #endif
203 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
204 { "no-mid-side" , share__no_argument, 0, 0 },
205 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
206 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
207 { "no-padding" , share__no_argument, 0, 0 },
208 { "no-verify" , share__no_argument, 0, 0 },
209 { "no-warnings-as-errors" , share__no_argument, 0, 0 },
210 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
211 { "no-residual-text" , share__no_argument, 0, 0 },
212 { "no-error-on-compression-fail", share__no_argument, 0, 0 },
213 /*
214 * undocumented debugging options for the test suite
215 */
216 { "disable-constant-subframes", share__no_argument, 0, 0 },
217 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
218 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
219 { "no-md5-sum" , share__no_argument, 0, 0 },
220
221 {0, 0, 0, 0}
222 };
223
224
225 /*
226 * global to hold command-line option values
227 */
228
229 static struct {
230 FLAC__bool show_help;
231 FLAC__bool show_explain;
232 FLAC__bool show_version;
233 FLAC__bool mode_decode;
234 FLAC__bool verify;
235 FLAC__bool treat_warnings_as_errors;
236 FLAC__bool force_file_overwrite;
237 FLAC__bool continue_through_decode_errors;
238 replaygain_synthesis_spec_t replaygain_synthesis_spec;
239 FLAC__bool lax;
240 FLAC__bool test_only;
241 FLAC__bool analyze;
242 FLAC__bool use_ogg;
243 FLAC__bool has_serial_number; /* true iff --serial-number was used */
244 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
245 FLAC__bool force_to_stdout;
246 FLAC__bool force_raw_format;
247 FLAC__bool force_aiff_format;
248 FLAC__bool force_rf64_format;
249 FLAC__bool force_wave64_format;
250 FLAC__bool force_legacy_wave_format;
251 FLAC__bool force_extensible_wave_format;
252 FLAC__bool force_aiff_c_none_format;
253 FLAC__bool force_aiff_c_sowt_format;
254 FLAC__bool delete_input;
255 FLAC__bool preserve_modtime;
256 FLAC__bool keep_foreign_metadata;
257 FLAC__bool keep_foreign_metadata_if_present;
258 FLAC__bool replay_gain;
259 FLAC__bool ignore_chunk_sizes;
260 FLAC__bool sector_align;
261 FLAC__bool utf8_convert; /* true by default, to convert tag strings from locale to utf-8, false if --no-utf8-convert used */
262 const char *cmdline_forced_outfilename;
263 const char *output_prefix;
264 analysis_options aopts;
265 int padding; /* -1 => no -P options were given, 0 => -P- was given, else -P value */
266 size_t num_compression_settings;
267 compression_setting_t compression_settings[64]; /* bad MAGIC NUMBER but buffer overflow is checked */
268 const char *skip_specification;
269 const char *until_specification;
270 const char *cue_specification;
271 int format_is_big_endian;
272 int format_is_unsigned_samples;
273 int format_channels;
274 int format_bps;
275 int format_sample_rate;
276 FLAC__off_t format_input_size;
277 char requested_seek_points[5000]; /* bad MAGIC NUMBER but buffer overflow is checked */
278 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
279 const char *cuesheet_filename;
280 FLAC__bool cued_seekpoints;
281 FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */
282 FLAC__bool error_on_compression_fail;
283 FLAC__bool limit_min_bitrate;
284
285 uint32_t num_files;
286 char **filenames;
287
288 FLAC__StreamMetadata *vorbis_comment;
289 FLAC__StreamMetadata *pictures[64];
290 uint32_t num_pictures;
291
292 struct {
293 FLAC__bool disable_constant_subframes;
294 FLAC__bool disable_fixed_subframes;
295 FLAC__bool disable_verbatim_subframes;
296 FLAC__bool do_md5;
297 } debug;
298 } option_values;
299
300
301 /*
302 * miscellaneous globals
303 */
304
305 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */ /* DEPRECATED */
306 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
307 static uint32_t align_reservoir_samples = 0; /* 0 .. 587 */
308
309
310 #ifndef FUZZ_TOOL_FLAC
main(int argc,char * argv[])311 int main(int argc, char *argv[])
312 #else
313 static int main_to_fuzz(int argc, char *argv[])
314 #endif
315 {
316 int retval = 0;
317
318 #ifdef __EMX__
319 _response(&argc, &argv);
320 _wildcard(&argc, &argv);
321 #endif
322 #ifdef _WIN32
323 if (get_utf8_argv(&argc, &argv) != 0) {
324 fprintf(stderr, "ERROR: failed to convert command line parameters to UTF-8\n");
325 return 1;
326 }
327 #endif
328
329 srand((uint32_t)time(0));
330 #ifdef _WIN32
331 {
332 const char *var;
333 var = getenv("LC_ALL");
334 if (!var)
335 var = getenv("LC_NUMERIC");
336 if (!var)
337 var = getenv("LANG");
338 if (!var || strcmp(var, "C") != 0)
339 setlocale(LC_ALL, "");
340 }
341 #else
342 setlocale(LC_ALL, "");
343 #endif
344 if(!init_options()) {
345 flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
346 retval = 1;
347 }
348 else {
349 if((retval = parse_options(argc, argv)) == 0)
350 retval = do_it();
351 }
352
353 free_options();
354
355 return retval;
356 }
357
do_it(void)358 int do_it(void)
359 {
360 int retval = 0;
361
362 if(option_values.show_version) {
363 show_version();
364 return 0;
365 }
366 else if(option_values.show_explain) {
367 show_explain();
368 return 0;
369 }
370 else if(option_values.show_help) {
371 show_help();
372 return 0;
373 }
374 else {
375 if(option_values.num_files == 0) {
376 if(flac__utils_verbosity_ >= 1)
377 short_usage();
378 return 0;
379 }
380
381 /*
382 * tweak options; validate the values
383 */
384 if(!option_values.mode_decode) {
385 if(0 != option_values.cue_specification)
386 return usage_error("ERROR: --cue is not allowed in test mode\n");
387 }
388 else {
389 if(option_values.test_only) {
390 if(0 != option_values.skip_specification)
391 return usage_error("ERROR: --skip is not allowed in test mode\n");
392 if(0 != option_values.until_specification)
393 return usage_error("ERROR: --until is not allowed in test mode\n");
394 if(0 != option_values.cue_specification)
395 return usage_error("ERROR: --cue is not allowed in test mode\n");
396 if(0 != option_values.analyze)
397 return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n");
398 }
399 }
400
401 if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification))
402 return usage_error("ERROR: --cue may not be combined with --skip or --until\n");
403
404 if(option_values.format_channels >= 0) {
405 if(option_values.format_channels == 0 || (uint32_t)option_values.format_channels > FLAC__MAX_CHANNELS)
406 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
407 }
408 if(option_values.format_bps >= 0) {
409 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24 && option_values.format_bps != 32)
410 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24/32)\n", option_values.format_bps);
411 }
412 if(option_values.format_sample_rate >= 0) {
413 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
414 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
415 }
416 if((option_values.force_raw_format?1:0) +
417 (option_values.force_aiff_format?1:0) +
418 (option_values.force_rf64_format?1:0) +
419 (option_values.force_wave64_format?1:0) +
420 (option_values.force_legacy_wave_format?1:0) +
421 (option_values.force_extensible_wave_format?1:0) +
422 (option_values.force_aiff_c_none_format?1:0) +
423 (option_values.force_aiff_c_sowt_format?1:0)
424 > 1)
425 return usage_error("ERROR: only one of force format options allowed\n");
426 if(option_values.mode_decode) {
427 if(!option_values.force_raw_format) {
428 if(option_values.format_is_big_endian >= 0)
429 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
430 if(option_values.format_is_unsigned_samples >= 0)
431 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
432 }
433 if(option_values.format_channels >= 0)
434 return usage_error("ERROR: --channels not allowed with --decode\n");
435 if(option_values.format_bps >= 0)
436 return usage_error("ERROR: --bps not allowed with --decode\n");
437 if(option_values.format_sample_rate >= 0)
438 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
439 }
440
441 if(option_values.ignore_chunk_sizes) {
442 if(option_values.mode_decode)
443 return usage_error("ERROR: --ignore-chunk-sizes only allowed for encoding\n");
444 if(0 != option_values.sector_align)
445 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --sector-align\n");
446 if(0 != option_values.until_specification)
447 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --until\n");
448 if(0 != option_values.cue_specification)
449 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cue\n");
450 if(0 != option_values.cuesheet_filename)
451 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cuesheet\n");
452 }
453 if(option_values.sector_align) {
454 if(option_values.mode_decode)
455 return usage_error("ERROR: --sector-align only allowed for encoding\n");
456 if(0 != option_values.skip_specification)
457 return usage_error("ERROR: --sector-align not allowed with --skip\n");
458 if(0 != option_values.until_specification)
459 return usage_error("ERROR: --sector-align not allowed with --until\n");
460 if(0 != option_values.cue_specification)
461 return usage_error("ERROR: --sector-align not allowed with --cue\n");
462 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
463 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
464 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
465 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
466 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
467 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
468 }
469 if(option_values.replay_gain) {
470 if(option_values.force_to_stdout)
471 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
472 if(option_values.mode_decode)
473 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
474 if(option_values.format_channels > 2)
475 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
476 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
477 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
478 if(
479 (option_values.padding >= 0 && option_values.padding < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED) ||
480 (option_values.padding < 0 && FLAC_ENCODE__DEFAULT_PADDING < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED)
481 ) {
482 flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
483 }
484 }
485 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
486 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
487 }
488 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
489 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
490 }
491 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
492 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
493 }
494 if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) {
495 /* we're not going to try and support the re-creation of broken WAVE files */
496 if(option_values.ignore_chunk_sizes)
497 return usage_error("ERROR: using --keep-foreign-metadata cannot be used with --ignore-chunk-sizes\n");
498 if(option_values.test_only)
499 return usage_error("ERROR: --keep-foreign-metadata is not allowed in test mode\n");
500 if(option_values.analyze)
501 return usage_error("ERROR: --keep-foreign-metadata is not allowed in analyis mode\n");
502 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");
503 }
504 }
505
506 flac__utils_printf(stderr, 2, "\n");
507 flac__utils_printf(stderr, 2, "flac %s\n", FLAC__VERSION_STRING);
508 flac__utils_printf(stderr, 2, "Copyright (C) 2000-2009 Josh Coalson, 2011-2022 Xiph.Org Foundation\n");
509 flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
510 flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
511
512 if(option_values.mode_decode) {
513 FLAC__bool first = true;
514
515 if(option_values.num_files == 0) {
516 retval = decode_file("-");
517 }
518 else {
519 uint32_t i;
520 if(option_values.num_files > 1)
521 option_values.cmdline_forced_outfilename = 0;
522 for(i = 0, retval = 0; i < option_values.num_files; i++) {
523 if(0 == strcmp(option_values.filenames[i], "-") && !first)
524 continue;
525 retval |= decode_file(option_values.filenames[i]);
526 first = false;
527 }
528 }
529 }
530 else { /* encode */
531 FLAC__bool first = true;
532
533 if(option_values.ignore_chunk_sizes)
534 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");
535
536 if(option_values.num_files == 0) {
537 retval = encode_file("-", first, true);
538 }
539 else {
540 uint32_t i;
541 if(option_values.num_files > 1)
542 option_values.cmdline_forced_outfilename = 0;
543 for(i = 0, retval = 0; i < option_values.num_files; i++) {
544 if(0 == strcmp(option_values.filenames[i], "-") && !first)
545 continue;
546 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
547 first = false;
548 }
549 if(option_values.replay_gain && retval == 0) {
550 float album_gain, album_peak;
551 grabbag__replaygain_get_album(&album_gain, &album_peak);
552 for(i = 0; i < option_values.num_files; i++) {
553 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
554 if(0 == outfilename) {
555 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]);
556 return 1;
557 }
558 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, option_values.preserve_modtime))) {
559 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags (%s)\n", outfilename, error);
560 retval = 1;
561 }
562 }
563 }
564 }
565 }
566
567 return retval;
568 }
569
init_options(void)570 FLAC__bool init_options(void)
571 {
572 option_values.show_help = false;
573 option_values.show_explain = false;
574 option_values.mode_decode = false;
575 option_values.verify = false;
576 option_values.treat_warnings_as_errors = false;
577 option_values.force_file_overwrite = false;
578 option_values.continue_through_decode_errors = false;
579 option_values.replaygain_synthesis_spec.apply = false;
580 option_values.replaygain_synthesis_spec.use_album_gain = true;
581 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
582 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
583 option_values.replaygain_synthesis_spec.preamp = 0.0;
584 option_values.lax = false;
585 option_values.test_only = false;
586 option_values.analyze = false;
587 option_values.use_ogg = false;
588 option_values.has_serial_number = false;
589 option_values.serial_number = 0;
590 option_values.force_to_stdout = false;
591 option_values.force_raw_format = false;
592 option_values.force_aiff_format = false;
593 option_values.force_rf64_format = false;
594 option_values.force_wave64_format = false;
595 option_values.force_legacy_wave_format = false;
596 option_values.force_extensible_wave_format = false;
597 option_values.force_aiff_c_none_format = false;
598 option_values.force_aiff_c_sowt_format = false;
599 option_values.delete_input = false;
600 option_values.preserve_modtime = true;
601 option_values.keep_foreign_metadata = false;
602 option_values.keep_foreign_metadata_if_present = false;
603 option_values.replay_gain = false;
604 option_values.ignore_chunk_sizes = false;
605 option_values.sector_align = false;
606 option_values.utf8_convert = true;
607 option_values.cmdline_forced_outfilename = 0;
608 option_values.output_prefix = 0;
609 option_values.aopts.do_residual_text = false;
610 option_values.aopts.do_residual_gnuplot = false;
611 option_values.padding = -1;
612 option_values.num_compression_settings = 1;
613 option_values.compression_settings[0].type = CST_COMPRESSION_LEVEL;
614 option_values.compression_settings[0].value.t_unsigned = 5;
615 option_values.skip_specification = 0;
616 option_values.until_specification = 0;
617 option_values.cue_specification = 0;
618 option_values.format_is_big_endian = -1;
619 option_values.format_is_unsigned_samples = -1;
620 option_values.format_channels = -1;
621 option_values.format_bps = -1;
622 option_values.format_sample_rate = -1;
623 option_values.format_input_size = (FLAC__off_t)(-1);
624 option_values.requested_seek_points[0] = '\0';
625 option_values.num_requested_seek_points = -1;
626 option_values.cuesheet_filename = 0;
627 option_values.cued_seekpoints = true;
628 option_values.channel_map_none = false;
629 option_values.error_on_compression_fail = false;
630 option_values.limit_min_bitrate = false;
631
632 option_values.num_files = 0;
633 option_values.filenames = 0;
634
635 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
636 return false;
637 option_values.num_pictures = 0;
638
639 option_values.debug.disable_constant_subframes = false;
640 option_values.debug.disable_fixed_subframes = false;
641 option_values.debug.disable_verbatim_subframes = false;
642 option_values.debug.do_md5 = true;
643
644 return true;
645 }
646
parse_options(int argc,char * argv[])647 int parse_options(int argc, char *argv[])
648 {
649 int short_option;
650 int option_index = 1;
651 FLAC__bool had_error = false;
652 const char *short_opts = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vVw";
653
654 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
655 switch (short_option) {
656 case 0: /* long option with no equivalent short option */
657 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
658 break;
659 case '?':
660 case ':':
661 had_error = true;
662 break;
663 default: /* short option */
664 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
665 break;
666 }
667 }
668
669 if(had_error) {
670 return 1;
671 }
672
673 FLAC__ASSERT(share__optind <= argc);
674
675 option_values.num_files = argc - share__optind;
676
677 if(option_values.num_files > 0) {
678 uint32_t i = 0;
679 if(0 == (option_values.filenames = malloc(sizeof(char*) * option_values.num_files)))
680 die("out of memory allocating space for file names list");
681 while(share__optind < argc)
682 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
683 }
684
685 return 0;
686 }
687
parse_option(int short_option,const char * long_option,const char * option_argument)688 int parse_option(int short_option, const char *long_option, const char *option_argument)
689 {
690 const char *violation;
691
692 if(short_option == 0) {
693 FLAC__ASSERT(0 != long_option);
694 if(0 == strcmp(long_option, "totally-silent")) {
695 flac__utils_verbosity_ = 0;
696 }
697 else if(0 == strcmp(long_option, "delete-input-file")) {
698 option_values.delete_input = true;
699 }
700 else if(0 == strcmp(long_option, "preserve-modtime")) {
701 option_values.preserve_modtime = true;
702 }
703 else if(0 == strcmp(long_option, "keep-foreign-metadata")) {
704 option_values.keep_foreign_metadata = true;
705 }
706 else if(0 == strcmp(long_option, "keep-foreign-metadata-if-present")) {
707 option_values.keep_foreign_metadata_if_present = true;
708 }
709 else if(0 == strcmp(long_option, "output-prefix")) {
710 FLAC__ASSERT(0 != option_argument);
711 option_values.output_prefix = option_argument;
712 }
713 else if(0 == strcmp(long_option, "skip")) {
714 FLAC__ASSERT(0 != option_argument);
715 option_values.skip_specification = option_argument;
716 }
717 else if(0 == strcmp(long_option, "until")) {
718 FLAC__ASSERT(0 != option_argument);
719 option_values.until_specification = option_argument;
720 }
721 else if(0 == strcmp(long_option, "input-size")) {
722 FLAC__ASSERT(0 != option_argument);
723 {
724 char *end;
725 FLAC__int64 ix;
726 ix = strtoll(option_argument, &end, 10);
727 if(0 == strlen(option_argument) || *end)
728 return usage_error("ERROR: --%s must be a number\n", long_option);
729 option_values.format_input_size = (FLAC__off_t)ix;
730 if(option_values.format_input_size != ix) /* check if FLAC__off_t is smaller than long long */
731 return usage_error("ERROR: --%s too large; this build of flac does not support filesizes over 2GB\n", long_option);
732 if(option_values.format_input_size <= 0)
733 return usage_error("ERROR: --%s must be > 0\n", long_option);
734 }
735 }
736 else if(0 == strcmp(long_option, "cue")) {
737 FLAC__ASSERT(0 != option_argument);
738 option_values.cue_specification = option_argument;
739 }
740 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
741 option_values.replaygain_synthesis_spec.apply = true;
742 if (0 != option_argument) {
743 char *p;
744 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
745 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
746 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
747 for ( ; *p; p++) {
748 if (*p == 'a')
749 option_values.replaygain_synthesis_spec.use_album_gain = true;
750 else if (*p == 't')
751 option_values.replaygain_synthesis_spec.use_album_gain = false;
752 else if (*p == 'l')
753 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
754 else if (*p == 'L')
755 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
756 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
757 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
758 p++;
759 }
760 else
761 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
762 }
763 }
764 }
765 else if(0 == strcmp(long_option, "channel-map")) {
766 if (0 == option_argument || strcmp(option_argument, "none"))
767 return usage_error("ERROR: only --channel-map=none currently supported\n");
768 option_values.channel_map_none = true;
769 }
770 else if(0 == strcmp(long_option, "cuesheet")) {
771 FLAC__ASSERT(0 != option_argument);
772 option_values.cuesheet_filename = option_argument;
773 }
774 else if(0 == strcmp(long_option, "picture")) {
775 const uint32_t max_pictures = sizeof(option_values.pictures)/sizeof(option_values.pictures[0]);
776 FLAC__ASSERT(0 != option_argument);
777 if(option_values.num_pictures >= max_pictures)
778 return usage_error("ERROR: too many --picture arguments, only %u allowed\n", max_pictures);
779 if(0 == (option_values.pictures[option_values.num_pictures] = grabbag__picture_parse_specification(option_argument, &violation)))
780 return usage_error("ERROR: (--picture) %s\n", violation);
781 option_values.num_pictures++;
782 }
783 else if(0 == strcmp(long_option, "tag-from-file")) {
784 FLAC__ASSERT(0 != option_argument);
785 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, /*raw=*/!option_values.utf8_convert, &violation))
786 return usage_error("ERROR: (--tag-from-file) %s\n", violation);
787 }
788 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
789 option_values.cued_seekpoints = false;
790 }
791 else if(0 == strcmp(long_option, "force-raw-format")) {
792 option_values.force_raw_format = true;
793 }
794 else if(0 == strcmp(long_option, "force-aiff-format")) {
795 option_values.force_aiff_format = true;
796 }
797 else if(0 == strcmp(long_option, "force-rf64-format")) {
798 option_values.force_rf64_format = true;
799 }
800 else if(0 == strcmp(long_option, "force-wave64-format")) {
801 option_values.force_wave64_format = true;
802 }
803 else if(0 == strcmp(long_option, "force-legacy-wave-format")) {
804 option_values.force_legacy_wave_format = true;
805 }
806 else if(0 == strcmp(long_option, "force-extensible-wave-format")) {
807 option_values.force_extensible_wave_format = true;
808 }
809 else if(0 == strcmp(long_option, "force-aiff-c-none-format")) {
810 option_values.force_aiff_c_none_format = true;
811 }
812 else if(0 == strcmp(long_option, "force-aiff-c-sowt-format")) {
813 option_values.force_aiff_c_sowt_format = true;
814 }
815 else if(0 == strcmp(long_option, "lax")) {
816 option_values.lax = true;
817 }
818 else if(0 == strcmp(long_option, "replay-gain")) {
819 option_values.replay_gain = true;
820 }
821 else if(0 == strcmp(long_option, "ignore-chunk-sizes")) {
822 option_values.ignore_chunk_sizes = true;
823 }
824 else if(0 == strcmp(long_option, "sector-align")) {
825 flac__utils_printf(stderr, 1, "WARNING: --sector-align is DEPRECATED and may not exist in future versions of flac.\n");
826 flac__utils_printf(stderr, 1, " shntool provides similar functionality\n");
827 option_values.sector_align = true;
828 }
829 #if FLAC__HAS_OGG
830 else if(0 == strcmp(long_option, "ogg")) {
831 option_values.use_ogg = true;
832 }
833 else if(0 == strcmp(long_option, "serial-number")) {
834 option_values.has_serial_number = true;
835 option_values.serial_number = atol(option_argument);
836 }
837 #endif
838 else if(0 == strcmp(long_option, "endian")) {
839 FLAC__ASSERT(0 != option_argument);
840 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
841 option_values.format_is_big_endian = true;
842 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
843 option_values.format_is_big_endian = false;
844 else
845 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
846 }
847 else if(0 == strcmp(long_option, "channels")) {
848 FLAC__ASSERT(0 != option_argument);
849 option_values.format_channels = atoi(option_argument);
850 }
851 else if(0 == strcmp(long_option, "bps")) {
852 FLAC__ASSERT(0 != option_argument);
853 option_values.format_bps = atoi(option_argument);
854 }
855 else if(0 == strcmp(long_option, "sample-rate")) {
856 FLAC__ASSERT(0 != option_argument);
857 option_values.format_sample_rate = atoi(option_argument);
858 }
859 else if(0 == strcmp(long_option, "sign")) {
860 FLAC__ASSERT(0 != option_argument);
861 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
862 option_values.format_is_unsigned_samples = false;
863 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
864 option_values.format_is_unsigned_samples = true;
865 else
866 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
867 }
868 else if(0 == strcmp(long_option, "residual-gnuplot")) {
869 option_values.aopts.do_residual_gnuplot = true;
870 }
871 else if(0 == strcmp(long_option, "residual-text")) {
872 option_values.aopts.do_residual_text = true;
873 }
874 else if(0 == strcmp(long_option, "limit-min-bitrate")) {
875 option_values.limit_min_bitrate = true;
876 }
877 /*
878 * negatives
879 */
880 else if(0 == strcmp(long_option, "no-preserve-modtime")) {
881 option_values.preserve_modtime = false;
882 }
883 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
884 option_values.continue_through_decode_errors = false;
885 }
886 else if(0 == strcmp(long_option, "no-silent")) {
887 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
888 flac__utils_verbosity_ = 2;
889 #endif
890 }
891 else if(0 == strcmp(long_option, "no-force")) {
892 option_values.force_file_overwrite = false;
893 }
894 else if(0 == strcmp(long_option, "no-seektable")) {
895 option_values.num_requested_seek_points = 0;
896 option_values.requested_seek_points[0] = '\0';
897 }
898 else if(0 == strcmp(long_option, "no-delete-input-file")) {
899 option_values.delete_input = false;
900 }
901 else if(0 == strcmp(long_option, "no-keep-foreign-metadata")) {
902 option_values.keep_foreign_metadata = false;
903 option_values.keep_foreign_metadata_if_present = false;
904 }
905 else if(0 == strcmp(long_option, "no-replay-gain")) {
906 option_values.replay_gain = false;
907 }
908 else if(0 == strcmp(long_option, "no-ignore-chunk-sizes")) {
909 option_values.ignore_chunk_sizes = false;
910 }
911 else if(0 == strcmp(long_option, "no-sector-align")) {
912 option_values.sector_align = false;
913 }
914 else if(0 == strcmp(long_option, "no-utf8-convert")) {
915 option_values.utf8_convert = false;
916 }
917 else if(0 == strcmp(long_option, "no-lax")) {
918 option_values.lax = false;
919 }
920 #if FLAC__HAS_OGG
921 else if(0 == strcmp(long_option, "no-ogg")) {
922 option_values.use_ogg = false;
923 }
924 #endif
925 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
926 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, false);
927 }
928 else if(0 == strcmp(long_option, "no-mid-side")) {
929 add_compression_setting_bool(CST_DO_MID_SIDE, false);
930 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
931 }
932 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
933 add_compression_setting_bool(CST_DO_MID_SIDE, false);
934 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
935 }
936 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
937 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, false);
938 }
939 else if(0 == strcmp(long_option, "no-padding")) {
940 option_values.padding = 0;
941 }
942 else if(0 == strcmp(long_option, "no-verify")) {
943 option_values.verify = false;
944 }
945 else if(0 == strcmp(long_option, "no-warnings-as-errors")) {
946 option_values.treat_warnings_as_errors = false;
947 }
948 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
949 option_values.aopts.do_residual_gnuplot = false;
950 }
951 else if(0 == strcmp(long_option, "no-residual-text")) {
952 option_values.aopts.do_residual_text = false;
953 }
954 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
955 option_values.debug.disable_constant_subframes = true;
956 }
957 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
958 option_values.debug.disable_fixed_subframes = true;
959 }
960 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
961 option_values.debug.disable_verbatim_subframes = true;
962 }
963 else if(0 == strcmp(long_option, "no-md5-sum")) {
964 option_values.debug.do_md5 = false;
965 }
966 else if(0 == strcmp(long_option, "no-error-on-compression-fail")) {
967 option_values.error_on_compression_fail = false;
968 }
969 else if(0 == strcmp(long_option, "error-on-compression-fail")) {
970 option_values.error_on_compression_fail = true;
971 }
972 }
973 else {
974 switch(short_option) {
975 case 'h':
976 option_values.show_help = true;
977 break;
978 case 'H':
979 option_values.show_explain = true;
980 break;
981 case 'v':
982 option_values.show_version = true;
983 break;
984 case 'd':
985 option_values.mode_decode = true;
986 break;
987 case 'a':
988 option_values.mode_decode = true;
989 option_values.analyze = true;
990 break;
991 case 't':
992 option_values.mode_decode = true;
993 option_values.test_only = true;
994 break;
995 case 'c':
996 option_values.force_to_stdout = true;
997 break;
998 case 's':
999 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1000 flac__utils_verbosity_ = 1;
1001 #endif
1002 break;
1003 case 'f':
1004 option_values.force_file_overwrite = true;
1005 break;
1006 case 'o':
1007 FLAC__ASSERT(0 != option_argument);
1008 option_values.cmdline_forced_outfilename = option_argument;
1009 break;
1010 case 'F':
1011 option_values.continue_through_decode_errors = true;
1012 break;
1013 case 'T':
1014 FLAC__ASSERT(0 != option_argument);
1015 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/false, /*raw=*/!option_values.utf8_convert, &violation))
1016 return usage_error("ERROR: (-T/--tag) %s\n", violation);
1017 break;
1018 case '0':
1019 case '1':
1020 case '2':
1021 case '3':
1022 case '4':
1023 case '5':
1024 case '6':
1025 case '7':
1026 case '8':
1027 add_compression_setting_uint32_t(CST_COMPRESSION_LEVEL, short_option-'0');
1028 break;
1029 case '9':
1030 return usage_error("ERROR: compression level '9' is reserved\n");
1031 case 'V':
1032 option_values.verify = true;
1033 break;
1034 case 'w':
1035 option_values.treat_warnings_as_errors = true;
1036 break;
1037 case 'S':
1038 FLAC__ASSERT(0 != option_argument);
1039 if(0 == strcmp(option_argument, "-")) {
1040 option_values.num_requested_seek_points = 0;
1041 option_values.requested_seek_points[0] = '\0';
1042 }
1043 else {
1044 if(option_values.num_requested_seek_points < 0)
1045 option_values.num_requested_seek_points = 0;
1046 option_values.num_requested_seek_points++;
1047 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
1048 return usage_error("ERROR: too many seekpoints requested\n");
1049 }
1050 else {
1051 size_t len = strlen(option_values.requested_seek_points);
1052 flac_snprintf(option_values.requested_seek_points+len, sizeof(option_values.requested_seek_points) - len, "%s;", option_argument);
1053 }
1054 }
1055 break;
1056 case 'P':
1057 FLAC__ASSERT(0 != option_argument);
1058 option_values.padding = atoi(option_argument);
1059 if(option_values.padding < 0)
1060 return usage_error("ERROR: argument to -%c must be >= 0; for no padding use -%c-\n", short_option, short_option);
1061 break;
1062 case 'b':
1063 {
1064 uint32_t i ;
1065 FLAC__ASSERT(0 != option_argument);
1066 i = atoi(option_argument);
1067 if((i < (int)FLAC__MIN_BLOCK_SIZE || i > (int)FLAC__MAX_BLOCK_SIZE))
1068 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);
1069 add_compression_setting_uint32_t(CST_BLOCKSIZE, (uint32_t)i);
1070 }
1071 break;
1072 case 'e':
1073 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, true);
1074 break;
1075 case 'E':
1076 add_compression_setting_bool(CST_DO_ESCAPE_CODING, true);
1077 break;
1078 case 'l':
1079 {
1080 uint32_t i ;
1081 FLAC__ASSERT(0 != option_argument);
1082 i = atoi(option_argument);
1083 if(i > FLAC__MAX_LPC_ORDER)
1084 return usage_error("ERROR: invalid LPC order (-%c) '%d', must be >= %u and <= %u\n", short_option, i, 0, FLAC__MAX_LPC_ORDER);
1085 add_compression_setting_uint32_t(CST_MAX_LPC_ORDER, i);
1086 }
1087 break;
1088 case 'A':
1089 FLAC__ASSERT(0 != option_argument);
1090 add_compression_setting_string(CST_APODIZATION, option_argument);
1091 break;
1092 case 'm':
1093 add_compression_setting_bool(CST_DO_MID_SIDE, true);
1094 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
1095 break;
1096 case 'M':
1097 add_compression_setting_bool(CST_DO_MID_SIDE, true);
1098 add_compression_setting_bool(CST_LOOSE_MID_SIDE, true);
1099 break;
1100 case 'p':
1101 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, true);
1102 break;
1103 case 'q':
1104 {
1105 uint32_t i ;
1106 FLAC__ASSERT(0 != option_argument);
1107 i = atoi(option_argument);
1108 if((i > 0 && (i < FLAC__MIN_QLP_COEFF_PRECISION || i > FLAC__MAX_QLP_COEFF_PRECISION)))
1109 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);
1110 add_compression_setting_uint32_t(CST_QLP_COEFF_PRECISION, i);
1111 }
1112 break;
1113 case 'r':
1114 {
1115 uint32_t i;
1116 char * p;
1117 FLAC__ASSERT(0 != option_argument);
1118 p = strchr(option_argument, ',');
1119 if(0 == p) {
1120 add_compression_setting_uint32_t(CST_MIN_RESIDUAL_PARTITION_ORDER, 0);
1121 i = atoi(option_argument);
1122 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1123 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);
1124 add_compression_setting_uint32_t(CST_MAX_RESIDUAL_PARTITION_ORDER, i);
1125 }
1126 else {
1127 i = atoi(option_argument);
1128 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1129 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);
1130 add_compression_setting_uint32_t(CST_MIN_RESIDUAL_PARTITION_ORDER, i);
1131 i = atoi(++p);
1132 if(i > FLAC__MAX_RICE_PARTITION_ORDER)
1133 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);
1134 add_compression_setting_uint32_t(CST_MAX_RESIDUAL_PARTITION_ORDER, i);
1135 }
1136 }
1137 break;
1138 case 'R':
1139 {
1140 uint32_t i;
1141 i = atoi(option_argument);
1142 add_compression_setting_uint32_t(CST_RICE_PARAMETER_SEARCH_DIST, i);
1143 }
1144 break;
1145 default:
1146 FLAC__ASSERT(0);
1147 }
1148 }
1149
1150 return 0;
1151 }
1152
free_options(void)1153 void free_options(void)
1154 {
1155 uint32_t i;
1156 if(0 != option_values.filenames) {
1157 for(i = 0; i < option_values.num_files; i++) {
1158 if(0 != option_values.filenames[i])
1159 free(option_values.filenames[i]);
1160 }
1161 free(option_values.filenames);
1162 }
1163 if(0 != option_values.vorbis_comment)
1164 FLAC__metadata_object_delete(option_values.vorbis_comment);
1165 for(i = 0; i < option_values.num_pictures; i++)
1166 FLAC__metadata_object_delete(option_values.pictures[i]);
1167 }
1168
add_compression_setting_bool(compression_setting_type_t type,FLAC__bool value)1169 void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value)
1170 {
1171 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1172 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1173 die("too many compression settings");
1174 #else
1175 return;
1176 #endif
1177 option_values.compression_settings[option_values.num_compression_settings].type = type;
1178 option_values.compression_settings[option_values.num_compression_settings].value.t_bool = value;
1179 option_values.num_compression_settings++;
1180 }
1181
add_compression_setting_string(compression_setting_type_t type,const char * value)1182 void add_compression_setting_string(compression_setting_type_t type, const char *value)
1183 {
1184 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1185 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1186 die("too many compression settings");
1187 #else
1188 return;
1189 #endif
1190 option_values.compression_settings[option_values.num_compression_settings].type = type;
1191 option_values.compression_settings[option_values.num_compression_settings].value.t_string = value;
1192 option_values.num_compression_settings++;
1193 }
1194
add_compression_setting_uint32_t(compression_setting_type_t type,uint32_t value)1195 void add_compression_setting_uint32_t(compression_setting_type_t type, uint32_t value)
1196 {
1197 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1198 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1199 die("too many compression settings");
1200 #else
1201 return;
1202 #endif
1203 if(type == CST_COMPRESSION_LEVEL) {
1204 /* Compression level always goes first */
1205 option_values.compression_settings[0].type = type;
1206 option_values.compression_settings[0].value.t_unsigned = value;
1207 }
1208 else {
1209 option_values.compression_settings[option_values.num_compression_settings].type = type;
1210 option_values.compression_settings[option_values.num_compression_settings].value.t_unsigned = value;
1211 option_values.num_compression_settings++;
1212 }
1213 }
1214
usage_error(const char * message,...)1215 int usage_error(const char *message, ...)
1216 {
1217 if(flac__utils_verbosity_ >= 1) {
1218 va_list args;
1219
1220 FLAC__ASSERT(0 != message);
1221
1222 va_start(args, message);
1223
1224 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1225 (void) vfprintf(stderr, message, args);
1226 #endif
1227
1228 va_end(args);
1229
1230 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1231 }
1232
1233 return 1;
1234 }
1235
show_version(void)1236 void show_version(void)
1237 {
1238 printf("flac %s\n", FLAC__VERSION_STRING);
1239 }
1240
usage_header(void)1241 static void usage_header(void)
1242 {
1243 printf("===============================================================================\n");
1244 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1245 printf("Copyright (C) 2000-2009 Josh Coalson\n");
1246 printf("Copyright (C) 2011-2022 Xiph.Org Foundation\n");
1247 printf("\n");
1248 printf("This program is free software; you can redistribute it and/or\n");
1249 printf("modify it under the terms of the GNU General Public License\n");
1250 printf("as published by the Free Software Foundation; either version 2\n");
1251 printf("of the License, or (at your option) any later version.\n");
1252 printf("\n");
1253 printf("This program is distributed in the hope that it will be useful,\n");
1254 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1255 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1256 printf("GNU General Public License for more details.\n");
1257 printf("\n");
1258 printf("You should have received a copy of the GNU General Public License along\n");
1259 printf("with this program; if not, write to the Free Software Foundation, Inc.,\n");
1260 printf("51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\n");
1261 printf("===============================================================================\n");
1262 }
1263
usage_summary(void)1264 static void usage_summary(void)
1265 {
1266 printf("Usage:\n");
1267 printf("\n");
1268 printf(" Encoding: flac [<general/encoding/format options>] [INPUTFILE [...]]\n");
1269 printf(" Decoding: flac -d [<general/decoding/format options>] [FLACFILE [...]]\n");
1270 printf(" Testing: flac -t [<general options>] [FLACFILE [...]]\n");
1271 printf("Analyzing: flac -a [<general/analysis options>] [FLACFILE [...]]\n");
1272 printf("\n");
1273 printf("Be sure to read the list of known bugs at:\n");
1274 printf("http://xiph.org/flac/documentation_bugs.html\n");
1275 printf("\n");
1276 }
1277
short_usage(void)1278 void short_usage(void)
1279 {
1280 usage_header();
1281 printf("\n");
1282 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1283 printf("instructions use 'flac --explain'\n");
1284 printf("\n");
1285 printf("Be sure to read the list of known bugs at:\n");
1286 printf("http://xiph.org/flac/documentation_bugs.html\n");
1287 printf("\n");
1288 printf("To encode:\n");
1289 printf(" flac [-#] [INPUTFILE [...]]\n");
1290 printf("\n");
1291 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1292 printf("\n");
1293 printf("To decode:\n");
1294 printf(" flac -d [INPUTFILE [...]]\n");
1295 printf("\n");
1296 printf("To test:\n");
1297 printf(" flac -t [INPUTFILE [...]]\n");
1298 }
1299
show_help(void)1300 void show_help(void)
1301 {
1302 usage_header();
1303 usage_summary();
1304 printf("general options:\n");
1305 printf(" -v, --version Show the flac version number\n");
1306 printf(" -h, --help Show this screen\n");
1307 printf(" -H, --explain Show detailed explanation of usage and options\n");
1308 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1309 printf(" -t, --test Same as -d except no decoded file is written\n");
1310 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1311 printf(" -c, --stdout Write output to stdout\n");
1312 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1313 printf(" --totally-silent Do not print anything, including errors\n");
1314 printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8\n");
1315 printf(" -w, --warnings-as-errors Treat all warnings as errors\n");
1316 printf(" -f, --force Force overwriting of output files\n");
1317 printf(" -o, --output-name=FILENAME Force the output file name\n");
1318 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1319 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1320 printf(" --preserve-modtime Output files keep timestamp of input (default)\n");
1321 printf(" --keep-foreign-metadata Save/restore WAVE or AIFF non-audio chunks\n");
1322 printf(" --keep-foreign-metadata-if-present Save/restore WAVE or AIFF non-audio\n");
1323 printf(" but not return an error when no such chunks are found\n");
1324 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1325 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1326 #if FLAC__HAS_OGG
1327 printf(" --ogg Use Ogg as transport layer\n");
1328 printf(" --serial-number Serial number to use for the FLAC stream\n");
1329 #endif
1330 printf("analysis options:\n");
1331 printf(" --residual-text Include residual signal in text output\n");
1332 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1333 printf("decoding options:\n");
1334 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1335 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n");
1336 printf("encoding options:\n");
1337 printf(" -V, --verify Verify a correct encoding\n");
1338 printf(" --lax Allow encoder to generate non-Subset files\n");
1339 printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files\n");
1340 printf(" --sector-align (DEPRECATED) Align multiple files on sector boundaries\n");
1341 printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n");
1342 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1343 printf(" --picture=SPECIFICATION Import picture and store in PICTURE block\n");
1344 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n");
1345 printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\n");
1346 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1347 printf(" -P, --padding=# Write a PADDING block of length #\n");
1348 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n");
1349 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n");
1350 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1351 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n");
1352 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n");
1353 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n");
1354 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n");
1355 printf(" -A subdivide_tukey(2)\n");
1356 printf(" -7, --compression-level-7 Synonymous with -l 12 -b 4096 -m -r 6\n");
1357 printf(" -A subdivide_tukey(2)\n");
1358 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -r 6\n");
1359 printf(" -A subdivide_tukey(3)\n");
1360 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1361 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1362 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1363 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1364 printf(" -A, --apodization=\"function\" Window audio data with given the function\n");
1365 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1366 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1367 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1368 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1369 printf(" --limit-min-bitrate Limit minimum bitrate (for streaming)\n");
1370 printf("format options:\n");
1371 printf(" --force-raw-format Treat input or output as raw samples\n");
1372 printf(" --force-aiff-format Decode to AIFF format\n");
1373 printf(" --force-rf64-format Decode to RF64 format\n");
1374 printf(" --force-wave64-format Decode to Wave64 format\n");
1375 printf(" --force-legacy-wave-format Decode to legacy wave format\n");
1376 printf(" --force-extensible-wave-format Decode to extensible wave format\n");
1377 printf(" --force-aiff-c-none-format Decode to AIFF-C NONE format\n");
1378 printf(" --force-aiff-c-sowt-format Decode to AIFF-C sowt format\n");
1379 printf("raw format options:\n");
1380 printf(" --endian={big|little} Set byte order for samples\n");
1381 printf(" --channels=# Number of channels\n");
1382 printf(" --bps=# Number of bits per sample\n");
1383 printf(" --sample-rate=# Sample rate in Hz\n");
1384 printf(" --sign={signed|unsigned} Sign of samples\n");
1385 printf(" --input-size=# Size of the raw input in bytes\n");
1386 printf("negative options:\n");
1387 printf(" --no-adaptive-mid-side\n");
1388 printf(" --no-cued-seekpoints\n");
1389 printf(" --no-decode-through-errors\n");
1390 printf(" --no-delete-input-file\n");
1391 printf(" --no-error-on-compression-fail\n");
1392 printf(" --no-preserve-modtime\n");
1393 printf(" --no-keep-foreign-metadata\n");
1394 printf(" --no-exhaustive-model-search\n");
1395 printf(" --no-lax\n");
1396 printf(" --no-mid-side\n");
1397 #if FLAC__HAS_OGG
1398 printf(" --no-ogg\n");
1399 #endif
1400 printf(" --no-padding\n");
1401 printf(" --no-qlp-coeff-prec-search\n");
1402 printf(" --no-replay-gain\n");
1403 printf(" --no-residual-gnuplot\n");
1404 printf(" --no-residual-text\n");
1405 printf(" --no-ignore-chunk-sizes\n");
1406 printf(" --no-sector-align\n");
1407 printf(" --no-seektable\n");
1408 printf(" --no-silent\n");
1409 printf(" --no-force\n");
1410 printf(" --no-verify\n");
1411 printf(" --no-warnings-as-errors\n");
1412 }
1413
show_explain(void)1414 void show_explain(void)
1415 {
1416 usage_header();
1417 usage_summary();
1418 printf("For encoding:\n");
1419 printf(" The input file(s) may be a PCM WAVE, Wave64, RF64 file, AIFF (or uncompressed\n");
1420 printf(" AIFF-C) file, or raw samples. The output file(s) will be in native FLAC\n");
1421 printf(" or Ogg FLAC format\n");
1422 printf("For decoding, the reverse is true.\n");
1423 printf("\n");
1424 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1425 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1426 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1427 printf("instead of:\n");
1428 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1429 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1430 printf("WAVE/AIFF header contents when necessary.\n");
1431 printf("\n");
1432 printf("general options:\n");
1433 printf(" -v, --version Show the flac version number\n");
1434 printf(" -h, --help Show basic usage a list of all options\n");
1435 printf(" -H, --explain Show this screen\n");
1436 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1437 printf(" -t, --test Same as -d except no decoded file is written\n");
1438 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1439 printf(" -c, --stdout Write output to stdout\n");
1440 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1441 printf(" --totally-silent Do not print anything of any kind, including\n");
1442 printf(" warnings or errors. The exit code will be the\n");
1443 printf(" only way to determine successful completion.\n");
1444 printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8.\n");
1445 printf(" This is useful for scripts, and setting tags in\n");
1446 printf(" situations where the locale is wrong. This\n");
1447 printf(" option must appear before any tag options!\n");
1448 printf(" -w, --warnings-as-errors Treat all warnings as errors\n");
1449 printf(" -f, --force Force overwriting of output files\n");
1450 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1451 printf(" changes the extension. May only be used when\n");
1452 printf(" encoding a single file. May not be used in\n");
1453 printf(" conjunction with --output-prefix.\n");
1454 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1455 printf(" STRING. This can be useful for encoding or\n");
1456 printf(" decoding files to a different directory. Make\n");
1457 printf(" sure if your STRING is a path name that it ends\n");
1458 printf(" with a '/' slash.\n");
1459 printf(" --delete-input-file Automatically delete the input file after a\n");
1460 printf(" successful encode or decode. If there was an\n");
1461 printf(" error (including a verify error) the input file\n");
1462 printf(" is left intact.\n");
1463 printf(" --preserve-modtime Output files have their timestamps/permissions\n");
1464 printf(" set to match those of their inputs (this is\n");
1465 printf(" default). Use --no-preserve-modtime to make\n");
1466 printf(" output files have the current time and default\n");
1467 printf(" permissions.\n");
1468 printf(" --keep-foreign-metadata If encoding, save WAVE or AIFF non-audio chunks\n");
1469 printf(" in FLAC metadata. If decoding, restore any saved\n");
1470 printf(" non-audio chunks from FLAC metadata when writing\n");
1471 printf(" the decoded file. Foreign metadata cannot be\n");
1472 printf(" transcoded, e.g. WAVE chunks saved in a FLAC file\n");
1473 printf(" cannot be restored when decoding to AIFF. Input\n");
1474 printf(" and output must be regular files, not stdin/out.\n");
1475 printf(" With this option, FLAC will pick the right\n");
1476 printf(" output format on decoding.\n");
1477 printf(" --keep-foreign-metadata-if-present As previous option, but do not throw\n");
1478 printf(" an error in case no foreign metadata is found,\n");
1479 printf(" the wrong kind of foreign metadata is found (on\n");
1480 printf(" decoding) or if the foreign could not be parsed,\n");
1481 printf(" i.e. all foreign metadata related errors are\n");
1482 printf(" treated as warnings.\n");
1483 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1484 printf(" be used both for encoding and decoding. The\n");
1485 printf(" alternative form mm:ss.ss can be used to specify\n");
1486 printf(" minutes, seconds, and fractions of a second.\n");
1487 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1488 printf(" file. The given sample number is not included\n");
1489 printf(" in the decoded output. The alternative form\n");
1490 printf(" mm:ss.ss can be used to specify minutes,\n");
1491 printf(" seconds, and fractions of a second. If a `+'\n");
1492 printf(" sign is at the beginning, the --until point is\n");
1493 printf(" relative to the --skip point. If a `-' sign is\n");
1494 printf(" at the beginning, the --until point is relative\n");
1495 printf(" to end of the audio.\n");
1496 #if FLAC__HAS_OGG
1497 printf(" --ogg When encoding, generate Ogg FLAC output instead\n");
1498 printf(" of native FLAC. Ogg FLAC streams are FLAC\n");
1499 printf(" streams wrapped in an Ogg transport layer. The\n");
1500 printf(" resulting file should have an '.oga' extension\n");
1501 printf(" and will still be decodable by flac. When\n");
1502 printf(" decoding, force the input to be treated as\n");
1503 printf(" Ogg FLAC. This is useful when piping input\n");
1504 printf(" from stdin or when the filename does not end in\n");
1505 printf(" '.oga' or '.ogg'.\n");
1506 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1507 printf(" encoding and no serial number is given, flac\n");
1508 printf(" uses a random one. If encoding to multiple files\n");
1509 printf(" the serial number is incremented for each file.\n");
1510 printf(" When decoding and no number is given, flac uses\n");
1511 printf(" the serial number of the first page.\n");
1512 #endif
1513 printf("analysis options:\n");
1514 printf(" --residual-text Include residual signal in text output. This\n");
1515 printf(" will make the file very big, much larger than\n");
1516 printf(" even the decoded file.\n");
1517 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1518 printf(" of each subframe\n");
1519 printf("decoding options:\n");
1520 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1521 printf(" and removes the partially decoded file if it\n");
1522 printf(" encounters a bitstream error. With -F, errors\n");
1523 printf(" are still printed but flac will continue\n");
1524 printf(" decoding to completion. Note that errors may\n");
1525 printf(" cause the decoded audio to be missing some\n");
1526 printf(" samples or have silent sections.\n");
1527 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n");
1528 printf(" decode. The optional first #.# is the track and\n");
1529 printf(" index point at which decoding will start; the\n");
1530 printf(" default is the beginning of the stream. The\n");
1531 printf(" optional second #.# is the track and index point\n");
1532 printf(" at which decoding will end; the default is the\n");
1533 printf(" end of the stream. If the cuepoint does not\n");
1534 printf(" exist, the closest one before it (for the start\n");
1535 printf(" point) or after it (for the end point) will be\n");
1536 printf(" used. The cuepoints are merely translated into\n");
1537 printf(" sample numbers then used as --skip and --until.\n");
1538 printf(" A CD track can always be cued by, for example,\n");
1539 printf(" --cue=9.1-10.1 for track 9, even if the CD has\n");
1540 printf(" no 10th track.\n");
1541 printf("encoding options:\n");
1542 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1543 printf(" output in parallel and comparing to the\n");
1544 printf(" original\n");
1545 printf(" --lax Allow encoder to generate non-Subset files\n");
1546 printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files;\n");
1547 printf(" useful when piping data from programs which\n");
1548 printf(" generate bogus data chunk sizes.\n");
1549 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1550 printf(" on sector boundaries. This option is DEPRECATED\n");
1551 printf(" and may not exist in future versions of flac.\n");
1552 printf(" shntool offers similar functionality.\n");
1553 printf(" --replay-gain Calculate ReplayGain values and store them as\n");
1554 printf(" FLAC tags. Title gains/peaks will be computed\n");
1555 printf(" for each file, and an album gain/peak will be\n");
1556 printf(" computed for all files. All input files must\n");
1557 printf(" have the same resolution, sample rate, and\n");
1558 printf(" number of channels. Only mono and stereo files\n");
1559 printf(" are allowed, and the sample rate must be 8,\n");
1560 printf(" 11.025, 12, 16, 18.9, 22.05, 24, 28, 32, 36,\n");
1561 printf(" 37.8, 44.1, 48, 56, 64, 72, 75.6, 88.2, 96, 112,\n");
1562 printf(" 128, 144, 151.2, 176.4, 192, 224, 256, 288,\n");
1563 printf(" 302.4, 352.8, 384, 448, 512, 576, or 604.8 kHz.\n");
1564 printf(" NOTE: this option may also leave a few extra\n");
1565 printf(" bytes in the PADDING block.\n");
1566 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1567 printf(" a CUESHEET metadata block. This option may only\n");
1568 printf(" be used when encoding a single file. A\n");
1569 printf(" seekpoint will be added for each index point in\n");
1570 printf(" the cuesheet to the SEEKTABLE unless\n");
1571 printf(" --no-cued-seekpoints is specified.\n");
1572 printf(" --picture=SPECIFICATION Import a picture and store it in a PICTURE block.\n");
1573 printf(" More than one --picture command can be specified.\n");
1574 printf(" The SPECIFICATION can either be a simple filename\n");
1575 printf(" for the picture file, or a complete specification\n");
1576 printf(" whose parts are separated by | characters. Some\n");
1577 printf(" parts may be left empty to invoke default values.\n");
1578 printf(" Using a filename is shorthand for \"||||FILE\".\n");
1579 printf(" The SPECIFICATION format is:\n");
1580 printf(" [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n");
1581 printf(" TYPE is optional; it is a number from one of:\n");
1582 printf(" 0: Other\n");
1583 printf(" 1: 32x32 pixels 'file icon' (PNG only)\n");
1584 printf(" 2: Other file icon\n");
1585 printf(" 3: Cover (front)\n");
1586 printf(" 4: Cover (back)\n");
1587 printf(" 5: Leaflet page\n");
1588 printf(" 6: Media (e.g. label side of CD)\n");
1589 printf(" 7: Lead artist/lead performer/soloist\n");
1590 printf(" 8: Artist/performer\n");
1591 printf(" 9: Conductor\n");
1592 printf(" 10: Band/Orchestra\n");
1593 printf(" 11: Composer\n");
1594 printf(" 12: Lyricist/text writer\n");
1595 printf(" 13: Recording Location\n");
1596 printf(" 14: During recording\n");
1597 printf(" 15: During performance\n");
1598 printf(" 16: Movie/video screen capture\n");
1599 printf(" 17: A bright coloured fish\n");
1600 printf(" 18: Illustration\n");
1601 printf(" 19: Band/artist logotype\n");
1602 printf(" 20: Publisher/Studio logotype\n");
1603 printf(" The default is 3 (front cover). There may only be one picture each\n");
1604 printf(" of type 1 and 2 in a file.\n");
1605 printf(" MIME-TYPE is optional; if left blank, it will be detected from the\n");
1606 printf(" file. For best compatibility with players, use pictures with MIME\n");
1607 printf(" type image/jpeg or image/png. The MIME type can also be --> to\n");
1608 printf(" mean that FILE is actually a URL to an image, though this use is\n");
1609 printf(" discouraged.\n");
1610 printf(" DESCRIPTION is optional; the default is an empty string\n");
1611 printf(" The next part specifies the resolution and color information. If\n");
1612 printf(" the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n");
1613 printf(" usually leave this empty and they can be detected from the file.\n");
1614 printf(" Otherwise, you must specify the width in pixels, height in pixels,\n");
1615 printf(" and color depth in bits-per-pixel. If the image has indexed colors\n");
1616 printf(" you should also specify the number of colors used.\n");
1617 printf(" FILE is the path to the picture file to be imported, or the URL if\n");
1618 printf(" MIME type is -->\n");
1619 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n");
1620 printf(" comment if necessary. This option may appear\n");
1621 printf(" more than once to add several comments. NOTE:\n");
1622 printf(" all tags will be added to all encoded files.\n");
1623 printf(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n");
1624 printf(" whose contents will be read verbatim to set the\n");
1625 printf(" tag value. The contents will be converted to\n");
1626 printf(" UTF-8 from the local charset. This can be used\n");
1627 printf(" to store a cuesheet in a tag (e.g.\n");
1628 printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n");
1629 printf(" try to store binary data in tag fields! Use\n");
1630 printf(" APPLICATION blocks for that.\n");
1631 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1632 printf(" # : a specific sample number for a seek point\n");
1633 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1634 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1635 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1636 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1637 printf(" ified union of all such values.\n");
1638 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1639 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1640 printf(" input size before starting.\n");
1641 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1642 printf(" either no seek point entered (if the input size is determinable\n");
1643 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1644 printf(" determinable)\n");
1645 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1646 printf(" block of the given length (in bytes) after the\n");
1647 printf(" STREAMINFO block. This is useful if you plan\n");
1648 printf(" to tag the file later with an APPLICATION\n");
1649 printf(" block; instead of having to rewrite the entire\n");
1650 printf(" file later just to insert your block, you can\n");
1651 printf(" write directly over the PADDING block. Note\n");
1652 printf(" that the total length of the PADDING block will\n");
1653 printf(" be 4 bytes longer than the length given because\n");
1654 printf(" of the 4 metadata block header bytes. You can\n");
1655 printf(" force no PADDING block at all to be written with\n");
1656 printf(" --no-padding. The encoder writes a PADDING\n");
1657 printf(" block of 8192 bytes by default, or 65536 bytes\n");
1658 printf(" if the input audio is more than 20 minutes long.\n");
1659 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1660 printf(" 1152 for -l 0, else 4096; for subset streams this\n");
1661 printf(" must be <= 4608 if the samplerate <= 48kHz,\n");
1662 printf(" for subset streams with a higher samplerates it\n");
1663 printf(" must be <= 16384.\n");
1664 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n");
1665 printf(" --no-mid-side\n");
1666 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n");
1667 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1668 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n");
1669 printf(" --no-mid-side\n");
1670 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n");
1671 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n");
1672 printf(" -5 is the default setting\n");
1673 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n");
1674 printf(" -A subdivide_tukey(2)\n");
1675 printf(" -7, --compression-level-7 Synonymous with -l 12 -b 4096 -m -r 6\n");
1676 printf(" -A subdivide_tukey(2)\n");
1677 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -r 6\n");
1678 printf(" -A subdivide_tukey(3)\n");
1679 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1680 printf(" (stereo only)\n");
1681 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1682 printf(" (stereo only)\n");
1683 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1684 printf(" -A, --apodization=\"function\" Window audio data with given the function.\n");
1685 printf(" The functions are: bartlett, bartlett_hann,\n");
1686 printf(" blackman, blackman_harris_4term_92db,\n");
1687 printf(" connes, flattop, gauss(STDDEV), hamming,\n");
1688 printf(" hann, kaiser_bessel, nuttall, rectangle,\n");
1689 printf(" triangle, tukey(P), welch, partial_tukey(n)\n");
1690 printf(" punchout_tukey(n) and subdivide_tukey(n).\n");
1691 printf(" More than one may be specified but encoding\n");
1692 printf(" time is a multiple of the number of\n");
1693 printf(" functions since they are each tried in \n");
1694 printf(" turn. The encoder chooses suitable\n");
1695 printf(" defaults in the absence of any -A options.\n");
1696 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors.\n");
1697 printf(" Must be <= 12 for Subset streams if sample\n");
1698 printf(" rate is <=48kHz.\n");
1699 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1700 printf(" quantization (expensive!); overrides -q;\n");
1701 printf(" does nothing if using -l 0\n");
1702 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1703 printf(" linear-predictor coefficients; 0 => let\n");
1704 printf(" encoder decide (the minimum is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1705 printf(" default is -q 0)\n");
1706 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1707 printf(" (# is 0 to 15 inclusive; min defaults to 0;\n");
1708 printf(" the default is -r 0; above 4 does not\n");
1709 printf(" usually help much)\n");
1710 printf(" --limit-min-bitrate Limit minimum bitrate by not allowing\n");
1711 printf(" frames consisting of only constant\n");
1712 printf(" subframes. This ensures a bitrate of at\n");
1713 printf(" least 1 bit/sample, for example 48kbit/s\n");
1714 printf(" for 48kHz input. This is mostly beneficial\n");
1715 printf(" for internet streaming.\n");
1716 printf("format options:\n");
1717 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1718 printf(" decoding) to be treated as raw samples\n");
1719 printf(" --force-aiff-format\n");
1720 printf(" --force-rf64-format\n");
1721 printf(" --force-wave64-format\n");
1722 printf(" Force the decoder to output AIFF/RF64/WAVE64 format respectively.\n");
1723 printf(" This option is not needed if the output filename (as set by -o)\n");
1724 printf(" ends with *.aif* or *.aiff*, *.rf64* and *.w64* respectively. Also,\n");
1725 printf(" this option has no effect when encoding since input is\n");
1726 printf(" auto-detected. When none of these options nor\n");
1727 printf(" --keep-foreign-metadata are given and no output filename is set,\n");
1728 printf(" the output format is WAV by default.\n");
1729 printf(" --force-legacy-wave-format\n");
1730 printf(" --force-extensible-wave-format\n");
1731 printf(" Instruct the decoder to output a WAVE file with WAVE_FORMAT_PCM and\n");
1732 printf(" WAVE_FORMAT_EXTENSIBLE respectively. If none of these options nor\n");
1733 printf(" --keep-foreign-metadata are given, FLAC outputs WAVE_FORMAT_PCM\n");
1734 printf(" for mono or stereo with a bit depth of 8 or 16 bits, and\n");
1735 printf(" WAVE_FORMAT_EXTENSIBLE for all other audio formats.\n");
1736 printf(" --force-aiff-c-none-format\n");
1737 printf(" --force-aiff-c-sowt-format\n");
1738 printf(" Instruct the decoder to output an AIFF-C file with format NONE and\n");
1739 printf(" sowt respectively.\n");
1740 printf("raw format options:\n");
1741 printf(" --endian={big|little} Set byte order for samples\n");
1742 printf(" --channels=# Number of channels\n");
1743 printf(" --bps=# Number of bits per sample\n");
1744 printf(" --sample-rate=# Sample rate in Hz\n");
1745 printf(" --sign={signed|unsigned} Sign of samples\n");
1746 printf(" --input-size=# Size of the raw input in bytes. If you are\n");
1747 printf(" encoding raw samples from stdin, you must set\n");
1748 printf(" this option in order to be able to use --skip,\n");
1749 printf(" --until, --cuesheet, or other options that need\n");
1750 printf(" to know the size of the input beforehand. If\n");
1751 printf(" the size given is greater than what is found in\n");
1752 printf(" the input stream, the encoder will complain\n");
1753 printf(" about an unexpected end-of-file. If the size\n");
1754 printf(" given is less, samples will be truncated.\n");
1755 printf("negative options:\n");
1756 printf(" --no-adaptive-mid-side\n");
1757 printf(" --no-cued-seekpoints\n");
1758 printf(" --no-decode-through-errors\n");
1759 printf(" --no-delete-input-file\n");
1760 printf(" --no-preserve-modtime\n");
1761 printf(" --no-keep-foreign-metadata\n");
1762 printf(" --no-exhaustive-model-search\n");
1763 printf(" --no-lax\n");
1764 printf(" --no-mid-side\n");
1765 #if FLAC__HAS_OGG
1766 printf(" --no-ogg\n");
1767 #endif
1768 printf(" --no-padding\n");
1769 printf(" --no-qlp-coeff-prec-search\n");
1770 printf(" --no-residual-gnuplot\n");
1771 printf(" --no-residual-text\n");
1772 printf(" --no-ignore-chunk-sizes\n");
1773 printf(" --no-sector-align\n");
1774 printf(" --no-seektable\n");
1775 printf(" --no-silent\n");
1776 printf(" --no-force\n");
1777 printf(" --no-verify\n");
1778 printf(" --no-warnings-as-errors\n");
1779 }
1780
format_mistake(const char * infilename,FileFormat wrong,FileFormat right)1781 void format_mistake(const char *infilename, FileFormat wrong, FileFormat right)
1782 {
1783 /* WATCHOUT: indexed by FileFormat */
1784 flac__utils_printf(stderr, 1, "WARNING: %s is not a%s file; treating as a%s file\n", infilename, FileFormatString[wrong], FileFormatString[right]);
1785 }
1786
encode_file(const char * infilename,FLAC__bool is_first_file,FLAC__bool is_last_file)1787 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1788 {
1789 FILE *encode_infile;
1790 FLAC__byte lookahead[12];
1791 uint32_t lookahead_length = 0, master_chunk_size = 0;
1792 FileFormat input_format = FORMAT_RAW;
1793 int retval;
1794 FLAC__off_t infilesize;
1795 encode_options_t encode_options;
1796 const char *outfilename = get_encoded_outfilename(infilename); /* the final name of the encoded file */
1797 /* internal_outfilename is the file we will actually write to; it will be a temporary name if infilename==outfilename */
1798 char *internal_outfilename = 0; /* NULL implies 'use outfilename' */
1799 size_t infilename_length;
1800
1801 if(0 == outfilename) {
1802 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1803 return 1;
1804 }
1805
1806 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
1807 if(0 == strcmp(infilename, "-")) {
1808 infilesize = (FLAC__off_t)(-1);
1809 encode_infile = grabbag__file_get_binary_stdin();
1810 }
1811 else
1812 #endif
1813 {
1814 infilesize = grabbag__file_get_filesize(infilename);
1815 if(0 == (encode_infile = flac_fopen(infilename, "rb"))) {
1816 flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno));
1817 return 1;
1818 }
1819 }
1820
1821 if(!option_values.force_raw_format) {
1822 /* first set format based on name */
1823 infilename_length = strlen(infilename);
1824 if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".wav"))
1825 input_format = FORMAT_WAVE;
1826 else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".rf64"))
1827 input_format = FORMAT_RF64;
1828 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".w64"))
1829 input_format = FORMAT_WAVE64;
1830 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".aif"))
1831 input_format = FORMAT_AIFF;
1832 else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".aiff"))
1833 input_format = FORMAT_AIFF;
1834 else if(infilename_length >= 5 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-5), ".flac"))
1835 input_format = FORMAT_FLAC;
1836 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".oga"))
1837 input_format = FORMAT_OGGFLAC;
1838 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".ogg"))
1839 input_format = FORMAT_OGGFLAC;
1840
1841 /* attempt to guess the file type based on the first 12 bytes */
1842 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1843 /* all supported non-raw formats have at least 12 bytes of header to read */
1844 if(input_format != FORMAT_RAW) {
1845 format_mistake(infilename, input_format, FORMAT_RAW);
1846 if(option_values.treat_warnings_as_errors) {
1847 conditional_fclose(encode_infile);
1848 return 1;
1849 }
1850 }
1851 /* force to raw */
1852 input_format = FORMAT_RAW;
1853 }
1854 else {
1855 if(!memcmp(lookahead, "ID3", 3)) {
1856 flac__utils_printf(stderr, 1, "ERROR: input file %s has an ID3v2 tag\n", infilename);
1857 conditional_fclose(encode_infile);
1858 return 1;
1859 }
1860 else if(!memcmp(lookahead, "RIFF", 4) && !memcmp(lookahead+8, "WAVE", 4))
1861 input_format = FORMAT_WAVE;
1862 else if(!memcmp(lookahead, "RF64", 4) && !memcmp(lookahead+8, "WAVE", 4))
1863 input_format = FORMAT_RF64;
1864 else if(!memcmp(lookahead, "riff\x2E\x91\xCF\x11\xA5\xD6\x28\xDB", 12)) /* just check 1st 12 bytes of GUID */
1865 input_format = FORMAT_WAVE64;
1866 else if(!memcmp(lookahead, "FORM", 4) && !memcmp(lookahead+8, "AIFF", 4))
1867 input_format = FORMAT_AIFF;
1868 else if(!memcmp(lookahead, "FORM", 4) && !memcmp(lookahead+8, "AIFC", 4))
1869 input_format = FORMAT_AIFF_C;
1870 else if(!memcmp(lookahead, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING)))
1871 input_format = FORMAT_FLAC;
1872 /*@@@ 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. */
1873 else if(!memcmp(lookahead, "OggS", 4))
1874 input_format = FORMAT_OGGFLAC;
1875 else {
1876 /* didn't find header of any supported format */
1877 if(input_format != FORMAT_RAW) {
1878 format_mistake(infilename, input_format, FORMAT_RAW);
1879 if(option_values.treat_warnings_as_errors) {
1880 conditional_fclose(encode_infile);
1881 return 1;
1882 }
1883 }
1884 /* force to raw */
1885 input_format = FORMAT_RAW;
1886 }
1887 }
1888 }
1889
1890 if(!option_values.ignore_chunk_sizes
1891 && (input_format == FORMAT_WAVE || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C)
1892 && infilesize >= UINT32_MAX) {
1893 conditional_fclose(encode_infile);
1894 return usage_error("ERROR: file %s is too large to be valid.\n"
1895 "Please consult the manual on the --ignore-chunk-sizes option\n\n", infilename);
1896 }
1897
1898 if(input_format == FORMAT_WAVE || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C) {
1899 memcpy(&master_chunk_size,lookahead+4,sizeof(master_chunk_size));
1900 if((input_format != FORMAT_WAVE) != CPU_IS_BIG_ENDIAN /* logical xor */)
1901 /* true for WAVE on big endian CPUs or AIFF/AIFF-C on little endian CPUs */
1902 master_chunk_size = ENDSWAP_32(master_chunk_size);
1903
1904 if(infilesize != (FLAC__off_t)(-1) && infilesize > 8 && (infilesize - 8) != master_chunk_size) {
1905 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);
1906 if(option_values.treat_warnings_as_errors)
1907 return 1;
1908 }
1909 }
1910
1911 if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) {
1912 if(encode_infile == stdin || option_values.force_to_stdout) {
1913 conditional_fclose(encode_infile);
1914 return usage_error("ERROR: --keep-foreign-metadata cannot be used when encoding from stdin or to stdout\n");
1915 }
1916 if(input_format != FORMAT_WAVE && input_format != FORMAT_WAVE64 && input_format != FORMAT_RF64 && input_format != FORMAT_AIFF && input_format != FORMAT_AIFF_C) {
1917 conditional_fclose(encode_infile);
1918 return usage_error("ERROR: --keep-foreign-metadata can only be used with WAVE, Wave64, RF64, or AIFF input\n");
1919 }
1920 }
1921
1922 /*
1923 * Error if output file already exists (and -f not used).
1924 * Use grabbag__file_get_filesize() as a cheap way to check.
1925 */
1926 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (FLAC__off_t)(-1)) {
1927 if(input_format == FORMAT_FLAC) {
1928 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1929 flac__utils_printf(stderr, 1,
1930 "ERROR: output file %s already exists.\n\n"
1931 "By default flac encodes files to FLAC format; if you meant to decode this file\n"
1932 "from FLAC to something else, use -d. If you meant to re-encode this file from\n"
1933 "FLAC to FLAC again, use -f to force writing to the same file, or -o to specify\n"
1934 "a different output filename.\n",
1935 outfilename
1936 );
1937 }
1938 else if(input_format == FORMAT_OGGFLAC) {
1939 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1940 flac__utils_printf(stderr, 1,
1941 "ERROR: output file %s already exists.\n\n"
1942 "By default 'flac -ogg' encodes files to Ogg FLAC format; if you meant to decode\n"
1943 "this file from Ogg FLAC to something else, use -d. If you meant to re-encode\n"
1944 "this file from Ogg FLAC to Ogg FLAC again, use -f to force writing to the same\n"
1945 "file, or -o to specify a different output filename.\n",
1946 outfilename
1947 );
1948 }
1949 else
1950 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1951 conditional_fclose(encode_infile);
1952 return 1;
1953 }
1954
1955 if(option_values.format_input_size >= 0) {
1956 if (input_format != FORMAT_RAW || infilesize >= 0) {
1957 flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n");
1958 conditional_fclose(encode_infile);
1959 return 1;
1960 }
1961 else {
1962 infilesize = option_values.format_input_size;
1963 }
1964 }
1965
1966 if(option_values.sector_align && (input_format == FORMAT_FLAC || input_format == FORMAT_OGGFLAC)) {
1967 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input file is FLAC or Ogg FLAC\n");
1968 conditional_fclose(encode_infile);
1969 return 1;
1970 }
1971 if(option_values.sector_align && input_format == FORMAT_RAW && infilesize < 0) {
1972 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input size is unknown\n");
1973 conditional_fclose(encode_infile);
1974 return 1;
1975 }
1976
1977 if(input_format == FORMAT_RAW) {
1978 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) {
1979 conditional_fclose(encode_infile);
1980 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1981 }
1982 }
1983 else {
1984 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) {
1985 conditional_fclose(encode_infile);
1986 return usage_error("ERROR: raw format options (--endian, --sign, --channels, --bps, and --sample-rate) are not allowed for non-raw input\n");
1987 }
1988 }
1989
1990 if(option_values.force_to_stdout) {
1991 if(option_values.replay_gain) {
1992 conditional_fclose(encode_infile);
1993 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1994 }
1995 }
1996 if(option_values.replay_gain && option_values.use_ogg) {
1997 conditional_fclose(encode_infile);
1998 return usage_error("ERROR: --replay-gain cannot be used when encoding to Ogg FLAC yet\n");
1999 }
2000
2001 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &encode_options.skip_specification) || encode_options.skip_specification.is_relative) {
2002 conditional_fclose(encode_infile);
2003 return usage_error("ERROR: invalid value for --skip\n");
2004 }
2005
2006 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 */
2007 conditional_fclose(encode_infile);
2008 return usage_error("ERROR: invalid value for --until\n");
2009 }
2010 /* if there is no "--until" we want to default to "--until=-0" */
2011 if(0 == option_values.until_specification)
2012 encode_options.until_specification.is_relative = true;
2013
2014 encode_options.verify = option_values.verify;
2015 encode_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors;
2016 #if FLAC__HAS_OGG
2017 encode_options.use_ogg = option_values.use_ogg;
2018 /* set a random serial number if one has not yet been specified */
2019 if(!option_values.has_serial_number) {
2020 option_values.serial_number = rand();
2021 option_values.has_serial_number = true;
2022 }
2023 encode_options.serial_number = option_values.serial_number++;
2024 #endif
2025 encode_options.lax = option_values.lax;
2026 encode_options.padding = option_values.padding;
2027 encode_options.num_compression_settings = option_values.num_compression_settings;
2028 FLAC__ASSERT(sizeof(encode_options.compression_settings) >= sizeof(option_values.compression_settings));
2029 memcpy(encode_options.compression_settings, option_values.compression_settings, sizeof(option_values.compression_settings));
2030 encode_options.requested_seek_points = option_values.requested_seek_points;
2031 encode_options.num_requested_seek_points = option_values.num_requested_seek_points;
2032 encode_options.cuesheet_filename = option_values.cuesheet_filename;
2033 encode_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
2034 encode_options.cued_seekpoints = option_values.cued_seekpoints;
2035 encode_options.channel_map_none = option_values.channel_map_none;
2036 encode_options.is_first_file = is_first_file;
2037 encode_options.is_last_file = is_last_file;
2038 encode_options.align_reservoir = align_reservoir;
2039 encode_options.align_reservoir_samples = &align_reservoir_samples;
2040 encode_options.replay_gain = option_values.replay_gain;
2041 encode_options.ignore_chunk_sizes = option_values.ignore_chunk_sizes;
2042 encode_options.sector_align = option_values.sector_align;
2043 encode_options.vorbis_comment = option_values.vorbis_comment;
2044 FLAC__ASSERT(sizeof(encode_options.pictures) >= sizeof(option_values.pictures));
2045 memcpy(encode_options.pictures, option_values.pictures, sizeof(option_values.pictures));
2046 encode_options.num_pictures = option_values.num_pictures;
2047 encode_options.format = input_format;
2048 encode_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
2049 encode_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
2050 encode_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
2051 encode_options.debug.do_md5 = option_values.debug.do_md5;
2052 encode_options.error_on_compression_fail = option_values.error_on_compression_fail;
2053 encode_options.limit_min_bitrate = option_values.limit_min_bitrate;
2054 encode_options.relaxed_foreign_metadata_handling = option_values.keep_foreign_metadata_if_present;
2055
2056 /* if infilename and outfilename point to the same file, we need to write to a temporary file */
2057 if(encode_infile != stdin && grabbag__file_are_same(infilename, outfilename)) {
2058 static const char *tmp_suffix = ".tmp,fl-ac+en'c";
2059 size_t dest_len = strlen(outfilename) + strlen(tmp_suffix) + 1;
2060 /*@@@@ still a remote possibility that a file with this filename exists */
2061 if((internal_outfilename = safe_malloc_(dest_len)) == NULL) {
2062 flac__utils_printf(stderr, 1, "ERROR allocating memory for tempfile name\n");
2063 conditional_fclose(encode_infile);
2064 return 1;
2065 }
2066 flac_snprintf(internal_outfilename, dest_len, "%s%s", outfilename, tmp_suffix);
2067 }
2068
2069 if(input_format == FORMAT_RAW) {
2070 encode_options.format_options.raw.is_big_endian = option_values.format_is_big_endian;
2071 encode_options.format_options.raw.is_unsigned_samples = option_values.format_is_unsigned_samples;
2072 encode_options.format_options.raw.channels = option_values.format_channels;
2073 encode_options.format_options.raw.bps = option_values.format_bps;
2074 encode_options.format_options.raw.sample_rate = option_values.format_sample_rate;
2075
2076 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
2077 }
2078 else if(input_format == FORMAT_FLAC || input_format == FORMAT_OGGFLAC) {
2079 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
2080 }
2081 else if(input_format == FORMAT_WAVE || input_format == FORMAT_WAVE64 || input_format == FORMAT_RF64 || input_format == FORMAT_AIFF || input_format == FORMAT_AIFF_C) {
2082 encode_options.format_options.iff.foreign_metadata = 0;
2083
2084 /* initialize foreign metadata if requested */
2085 if(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present) {
2086 encode_options.format_options.iff.foreign_metadata =
2087 flac__foreign_metadata_new(
2088 input_format==FORMAT_WAVE || input_format==FORMAT_RF64?
2089 FOREIGN_BLOCK_TYPE__RIFF :
2090 input_format==FORMAT_WAVE64?
2091 FOREIGN_BLOCK_TYPE__WAVE64 :
2092 FOREIGN_BLOCK_TYPE__AIFF
2093 );
2094 if(0 == encode_options.format_options.iff.foreign_metadata) {
2095 flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n");
2096 conditional_fclose(encode_infile);
2097 if(internal_outfilename != 0)
2098 free(internal_outfilename);
2099 return 1;
2100 }
2101 }
2102
2103 retval = flac__encode_file(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, encode_options);
2104
2105 if(encode_options.format_options.iff.foreign_metadata)
2106 flac__foreign_metadata_delete(encode_options.format_options.iff.foreign_metadata);
2107 }
2108 else {
2109 FLAC__ASSERT(0);
2110 retval = 1; /* double protection */
2111 }
2112
2113 if(retval == 0) {
2114 if(strcmp(outfilename, "-")) {
2115 if(option_values.replay_gain) {
2116 float title_gain, title_peak;
2117 const char *error;
2118 grabbag__replaygain_get_title(&title_gain, &title_peak);
2119 if(
2120 0 != (error = grabbag__replaygain_store_to_file_reference(internal_outfilename? internal_outfilename : outfilename, option_values.preserve_modtime)) ||
2121 0 != (error = grabbag__replaygain_store_to_file_title(internal_outfilename? internal_outfilename : outfilename, title_gain, title_peak, option_values.preserve_modtime))
2122 ) {
2123 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain reference/title tags (%s)\n", outfilename, error);
2124 retval = 1;
2125 }
2126 }
2127 if(option_values.preserve_modtime && strcmp(infilename, "-"))
2128 grabbag__file_copy_metadata(infilename, internal_outfilename? internal_outfilename : outfilename);
2129 }
2130 }
2131
2132 /* rename temporary file if necessary */
2133 if(retval == 0 && internal_outfilename != 0) {
2134 if(flac_rename(internal_outfilename, outfilename) < 0) {
2135 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
2136 /* on some flavors of windows, flac_rename() will fail if the destination already exists, so we unlink and try again */
2137 if(flac_unlink(outfilename) < 0) {
2138 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);
2139 retval = 1;
2140 }
2141 else if(flac_rename(internal_outfilename, outfilename) < 0) {
2142 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);
2143 retval = 1;
2144 }
2145 #else
2146 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);
2147 retval = 1;
2148 #endif
2149 }
2150 }
2151
2152 /* handle --delete-input-file, but don't want to delete if piping from stdin, or if input filename and output filename are the same */
2153 if(retval == 0 && option_values.delete_input && strcmp(infilename, "-") && internal_outfilename == 0)
2154 flac_unlink(infilename);
2155
2156 if(internal_outfilename != 0)
2157 free(internal_outfilename);
2158
2159 return retval;
2160 }
2161
decode_file(const char * infilename)2162 int decode_file(const char *infilename)
2163 {
2164 int retval;
2165 FLAC__bool treat_as_ogg = false;
2166 FileFormat output_format = FORMAT_WAVE;
2167 FileSubFormat output_subformat = SUBFORMAT_UNSPECIFIED;
2168 decode_options_t decode_options;
2169 foreign_metadata_t *foreign_metadata = 0;
2170 const char *outfilename = get_outfilename(infilename, ". "); /* Placeholder until we know what the actual suffix is */
2171 size_t infilename_length;
2172
2173 if(0 == outfilename) {
2174 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
2175 return 1;
2176 }
2177
2178 if(!option_values.analyze && !option_values.test_only &&(option_values.keep_foreign_metadata || option_values.keep_foreign_metadata_if_present)) {
2179 const char *error;
2180 if(0 == strcmp(infilename, "-") || 0 == strcmp(outfilename, "-"))
2181 return usage_error("ERROR: --keep-foreign-metadata cannot be used when decoding from stdin or to stdout\n");
2182 if(output_format == FORMAT_RAW)
2183 return usage_error("ERROR: --keep-foreign-metadata cannot be used with raw output\n");
2184 decode_options.format_options.iff.foreign_metadata = 0;
2185 /* initialize foreign metadata structure */
2186 foreign_metadata = flac__foreign_metadata_new(FOREIGN_BLOCK_TYPE__RIFF); /* RIFF is just a placeholder */
2187 if(0 == foreign_metadata) {
2188 flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n");
2189 return 1;
2190 }
2191 if(!flac__foreign_metadata_read_from_flac(foreign_metadata, infilename, &error)) {
2192 if(option_values.keep_foreign_metadata_if_present) {
2193 flac__utils_printf(stderr, 1, "%s: WARNING reading foreign metadata: %s\n", infilename, error);
2194 if(option_values.treat_warnings_as_errors) {
2195 flac__foreign_metadata_delete(foreign_metadata);
2196 return 1;
2197 }
2198 else {
2199 /* Couldn't find foreign metadata, stop processing */
2200 flac__foreign_metadata_delete(foreign_metadata);
2201 foreign_metadata = 0;
2202 }
2203 }
2204 else {
2205 flac__utils_printf(stderr, 1, "%s: ERROR reading foreign metadata: %s\n", infilename, error);
2206 flac__foreign_metadata_delete(foreign_metadata);
2207 return 1;
2208 }
2209 }
2210 }
2211
2212 if(option_values.force_raw_format)
2213 output_format = FORMAT_RAW;
2214 else if(
2215 option_values.force_aiff_format ||
2216 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) ||
2217 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff"))
2218 )
2219 output_format = FORMAT_AIFF;
2220 else if(
2221 option_values.force_rf64_format ||
2222 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".rf64"))
2223 )
2224 output_format = FORMAT_RF64;
2225 else if(
2226 option_values.force_wave64_format ||
2227 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".w64"))
2228 )
2229 output_format = FORMAT_WAVE64;
2230 else if(foreign_metadata != NULL) {
2231 /* Pick a format based on what the foreign metadata contains */
2232 if(foreign_metadata->type == FOREIGN_BLOCK_TYPE__WAVE64)
2233 output_format = FORMAT_WAVE64;
2234 else if(foreign_metadata->is_rf64)
2235 output_format = FORMAT_RF64;
2236 else if(foreign_metadata->type == FOREIGN_BLOCK_TYPE__AIFF) {
2237 output_format = FORMAT_AIFF;
2238 if(foreign_metadata->is_aifc) {
2239 output_format = FORMAT_AIFF_C;
2240 }
2241 }
2242 else
2243 output_format = FORMAT_WAVE;
2244 }
2245 else
2246 output_format = FORMAT_WAVE;
2247
2248 /* Now do subformats */
2249 if(option_values.force_legacy_wave_format)
2250 output_subformat = SUBFORMAT_WAVE_PCM;
2251 else if(option_values.force_extensible_wave_format)
2252 output_subformat = SUBFORMAT_WAVE_EXTENSIBLE;
2253 else if(option_values.force_aiff_c_none_format) {
2254 output_format = FORMAT_AIFF_C;
2255 output_subformat = SUBFORMAT_AIFF_C_NONE;
2256 }
2257 else if(option_values.force_aiff_c_sowt_format) {
2258 output_format = FORMAT_AIFF_C;
2259 output_subformat = SUBFORMAT_AIFF_C_SOWT;
2260 }
2261 else if(foreign_metadata != NULL) {
2262 if(foreign_metadata->is_wavefmtex)
2263 output_subformat = SUBFORMAT_WAVE_EXTENSIBLE;
2264 else if(output_format == FORMAT_WAVE)
2265 output_subformat = SUBFORMAT_WAVE_PCM;
2266 else if(foreign_metadata->is_aifc) {
2267 if(foreign_metadata->is_sowt)
2268 output_subformat = SUBFORMAT_AIFF_C_SOWT;
2269 else
2270 output_subformat = SUBFORMAT_AIFF_C_NONE;
2271 }
2272 }
2273
2274
2275 /* Check whether output format agrees with foreign metadata */
2276 if(foreign_metadata != NULL) {
2277 if((output_format != FORMAT_WAVE && output_format != FORMAT_RF64) && foreign_metadata->type == FOREIGN_BLOCK_TYPE__RIFF) {
2278 flac__foreign_metadata_delete(foreign_metadata);
2279 return usage_error("ERROR: foreign metadata type RIFF cannot be restored to a%s file, only to WAVE and RF64\n",FileFormatString[output_format]);
2280 }
2281 if((output_format != FORMAT_AIFF && output_format != FORMAT_AIFF_C) && foreign_metadata->type == FOREIGN_BLOCK_TYPE__AIFF) {
2282 flac__foreign_metadata_delete(foreign_metadata);
2283 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]);
2284 }
2285 if(output_format != FORMAT_WAVE64 && foreign_metadata->type == FOREIGN_BLOCK_TYPE__WAVE64) {
2286 flac__foreign_metadata_delete(foreign_metadata);
2287 return usage_error("ERROR: foreign metadata type Wave64 cannot be restored to a%s file, only to Wave64\n",FileFormatString[output_format]);
2288 }
2289 }
2290
2291 /* Now reassemble outfilename */
2292 get_decoded_outfilename(infilename, output_format);
2293
2294 /*
2295 * Error if output file already exists (and -f not used).
2296 * Use grabbag__file_get_filesize() as a cheap way to check.
2297 */
2298 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (FLAC__off_t)(-1)) {
2299 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
2300 flac__foreign_metadata_delete(foreign_metadata);
2301 return 1;
2302 }
2303
2304 if(!option_values.test_only && !option_values.analyze) {
2305 if(output_format == FORMAT_RAW && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0)) {
2306 flac__foreign_metadata_delete(foreign_metadata);
2307 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
2308 }
2309 }
2310
2311 infilename_length = strlen(infilename);
2312 if(option_values.use_ogg)
2313 treat_as_ogg = true;
2314 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".oga"))
2315 treat_as_ogg = true;
2316 else if(infilename_length >= 4 && 0 == FLAC__STRCASECMP(infilename+(infilename_length-4), ".ogg"))
2317 treat_as_ogg = true;
2318 else
2319 treat_as_ogg = false;
2320
2321 #if !FLAC__HAS_OGG
2322 if(treat_as_ogg) {
2323 flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename);
2324 flac__foreign_metadata_delete(foreign_metadata);
2325 return 1;
2326 }
2327 #endif
2328
2329 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &decode_options.skip_specification) || decode_options.skip_specification.is_relative) {
2330 flac__foreign_metadata_delete(foreign_metadata);
2331 return usage_error("ERROR: invalid value for --skip\n");
2332 }
2333
2334 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 */
2335 flac__foreign_metadata_delete(foreign_metadata);
2336 return usage_error("ERROR: invalid value for --until\n");
2337 }
2338 /* if there is no "--until" we want to default to "--until=-0" */
2339 if(0 == option_values.until_specification)
2340 decode_options.until_specification.is_relative = true;
2341
2342 if(option_values.cue_specification) {
2343 if(!flac__utils_parse_cue_specification(option_values.cue_specification, &decode_options.cue_specification)) {
2344 flac__foreign_metadata_delete(foreign_metadata);
2345 return usage_error("ERROR: invalid value for --cue\n");
2346 }
2347 decode_options.has_cue_specification = true;
2348 }
2349 else
2350 decode_options.has_cue_specification = false;
2351
2352 decode_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors;
2353 decode_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
2354 decode_options.relaxed_foreign_metadata_handling = option_values.keep_foreign_metadata_if_present;
2355 decode_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
2356 decode_options.force_subformat = output_subformat;
2357 #if FLAC__HAS_OGG
2358 decode_options.is_ogg = treat_as_ogg;
2359 decode_options.use_first_serial_number = !option_values.has_serial_number;
2360 decode_options.serial_number = option_values.serial_number;
2361 #endif
2362 decode_options.channel_map_none = option_values.channel_map_none;
2363 decode_options.format = output_format;
2364
2365 #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
2366 /* Can't fuzz from stdin */
2367 if(0 == strcmp(infilename, "-") || 0 == strcmp(outfilename, "-"))
2368 return 1;
2369 #endif
2370
2371 if(output_format == FORMAT_RAW) {
2372 decode_options.format_options.raw.is_big_endian = option_values.format_is_big_endian;
2373 decode_options.format_options.raw.is_unsigned_samples = option_values.format_is_unsigned_samples;
2374
2375 retval = flac__decode_file(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, decode_options);
2376 }
2377 else {
2378 decode_options.format_options.iff.foreign_metadata = foreign_metadata;
2379
2380 retval = flac__decode_file(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, decode_options);
2381
2382 }
2383
2384 if(foreign_metadata)
2385 flac__foreign_metadata_delete(foreign_metadata);
2386
2387 if(retval == 0 && strcmp(infilename, "-")) {
2388 if(option_values.preserve_modtime && strcmp(outfilename, "-"))
2389 grabbag__file_copy_metadata(infilename, outfilename);
2390 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
2391 flac_unlink(infilename);
2392 }
2393
2394 return retval;
2395 }
2396
get_encoded_outfilename(const char * infilename)2397 const char *get_encoded_outfilename(const char *infilename)
2398 {
2399 const char *suffix = (option_values.use_ogg? ".oga" : ".flac");
2400 const char *p;
2401
2402 if(option_values.output_prefix) {
2403 p = grabbag__file_get_basename(infilename);
2404 }
2405 else {
2406 p = infilename;
2407 }
2408
2409 return get_outfilename(p, suffix);
2410 }
2411
get_decoded_outfilename(const char * infilename,const FileFormat format)2412 const char *get_decoded_outfilename(const char *infilename, const FileFormat format)
2413 {
2414 const char *suffix;
2415 const char *p;
2416
2417 if(option_values.output_prefix) {
2418 p = grabbag__file_get_basename(infilename);
2419 }
2420 else {
2421 p = infilename;
2422 }
2423
2424 if(option_values.analyze) {
2425 suffix = ".ana";
2426 }
2427 else if(format == FORMAT_RAW) {
2428 suffix = ".raw";
2429 }
2430 else if(format == FORMAT_AIFF) {
2431 suffix = ".aiff";
2432 }
2433 else if(format == FORMAT_AIFF_C) {
2434 suffix = ".aifc";
2435 }
2436 else if(format == FORMAT_RF64) {
2437 suffix = ".rf64";
2438 }
2439 else if(format == FORMAT_WAVE64) {
2440 suffix = ".w64";
2441 }
2442 else {
2443 suffix = ".wav";
2444 }
2445 return get_outfilename(p, suffix);
2446 }
2447
get_outfilename(const char * infilename,const char * suffix)2448 const char *get_outfilename(const char *infilename, const char *suffix)
2449 {
2450 if(0 == option_values.cmdline_forced_outfilename) {
2451 static char buffer[4096];
2452
2453 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
2454 buffer [0] = '-';
2455 buffer [1] = 0;
2456 }
2457 else {
2458 char *p;
2459 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
2460 return 0;
2461 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
2462 return 0;
2463 /* the . must come after any / to avoid problems with, e.g. "some.directory/extensionless-filename" */
2464 if(0 == (p = strrchr(buffer, '.')) || strchr(p, '/')) {
2465 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
2466 return 0;
2467 }
2468 else {
2469 *p = '\0';
2470 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
2471 return 0;
2472 }
2473 }
2474 return buffer;
2475 }
2476 else
2477 return option_values.cmdline_forced_outfilename;
2478 }
2479
die(const char * message)2480 void die(const char *message)
2481 {
2482 FLAC__ASSERT(0 != message);
2483 flac__utils_printf(stderr, 1, "ERROR: %s\n", message);
2484 exit(1);
2485 }
2486
conditional_fclose(FILE * f)2487 int conditional_fclose(FILE *f)
2488 {
2489 if(f == 0 || f == stdin || f == stdout)
2490 return 0;
2491 else
2492 return fclose(f);
2493 }
2494
local_strdup(const char * source)2495 char *local_strdup(const char *source)
2496 {
2497 char *ret;
2498 FLAC__ASSERT(0 != source);
2499 if(0 == (ret = strdup(source)))
2500 die("out of memory during strdup()");
2501 return ret;
2502 }
2503