1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 #if HAVE_CONFIG_H
20 # include <config.h>
21 #endif
22
23 #include <ctype.h>
24 #include <errno.h>
25 #include <locale.h>
26 #include <stdarg.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <time.h>
31
32 #if !defined _MSC_VER && !defined __MINGW32__
33 /* unlink is in stdio.h in VC++ */
34 #include <unistd.h> /* for unlink() */
35 #endif
36 #include "FLAC/all.h"
37 #include "share/alloc.h"
38 #include "share/grabbag.h"
39 #include "analyze.h"
40 #include "decode.h"
41 #include "encode.h"
42 #include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */
43 #include "utils.h"
44 #include "vorbiscomment.h"
45
46 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
47 #define FLAC__STRCASECMP stricmp
48 #else
49 #define FLAC__STRCASECMP strcasecmp
50 #endif
51
52 #if 0
53 /*[JEC] was:#if HAVE_GETOPT_LONG*/
54 /*[JEC] see flac/include/share/getopt.h as to why the change */
55 # include <getopt.h>
56 #else
57 # include "share/getopt.h"
58 #endif
59
60 typedef enum { RAW, WAV, AIF, FLAC, OGGFLAC } FileFormat;
61
62 static int do_it(void);
63
64 static FLAC__bool init_options(void);
65 static int parse_options(int argc, char *argv[]);
66 static int parse_option(int short_option, const char *long_option, const char *option_argument);
67 static void free_options(void);
68 static void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value);
69 static void add_compression_setting_string(compression_setting_type_t type, const char *value);
70 static void add_compression_setting_unsigned(compression_setting_type_t type, unsigned value);
71
72 static int usage_error(const char *message, ...);
73 static void short_usage(void);
74 static void show_version(void);
75 static void show_help(void);
76 static void show_explain(void);
77 static void format_mistake(const char *infilename, FileFormat wrong, FileFormat right);
78
79 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
80 static int decode_file(const char *infilename);
81
82 static const char *get_encoded_outfilename(const char *infilename);
83 static const char *get_decoded_outfilename(const char *infilename);
84 static const char *get_outfilename(const char *infilename, const char *suffix);
85
86 static void die(const char *message);
87 static int conditional_fclose(FILE *f);
88 static char *local_strdup(const char *source);
89 #ifdef _MSC_VER
90 /* There's no strtoll() in MSVC6 so we just write a specialized one */
91 static FLAC__int64 local__strtoll(const char *src, char **endptr);
92 #endif
93
94
95 /*
96 * share__getopt format struct; note that for long options with no
97 * short option equivalent we just set the 'val' field to 0.
98 */
99 static struct share__option long_options_[] = {
100 /*
101 * general options
102 */
103 { "help" , share__no_argument, 0, 'h' },
104 { "explain" , share__no_argument, 0, 'H' },
105 { "version" , share__no_argument, 0, 'v' },
106 { "decode" , share__no_argument, 0, 'd' },
107 { "analyze" , share__no_argument, 0, 'a' },
108 { "test" , share__no_argument, 0, 't' },
109 { "stdout" , share__no_argument, 0, 'c' },
110 { "silent" , share__no_argument, 0, 's' },
111 { "totally-silent" , share__no_argument, 0, 0 },
112 { "warnings-as-errors" , share__no_argument, 0, 'w' },
113 { "force" , share__no_argument, 0, 'f' },
114 { "delete-input-file" , share__no_argument, 0, 0 },
115 { "keep-foreign-metadata" , share__no_argument, 0, 0 },
116 { "output-prefix" , share__required_argument, 0, 0 },
117 { "output-name" , share__required_argument, 0, 'o' },
118 { "skip" , share__required_argument, 0, 0 },
119 { "until" , share__required_argument, 0, 0 },
120 { "channel-map" , share__required_argument, 0, 0 }, /* undocumented */
121
122 /*
123 * decoding options
124 */
125 { "decode-through-errors", share__no_argument, 0, 'F' },
126 { "cue" , share__required_argument, 0, 0 },
127 { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */
128
129 /*
130 * encoding options
131 */
132 { "cuesheet" , share__required_argument, 0, 0 },
133 { "no-cued-seekpoints" , share__no_argument, 0, 0 },
134 { "picture" , share__required_argument, 0, 0 },
135 { "tag" , share__required_argument, 0, 'T' },
136 { "tag-from-file" , share__required_argument, 0, 0 },
137 { "compression-level-0" , share__no_argument, 0, '0' },
138 { "compression-level-1" , share__no_argument, 0, '1' },
139 { "compression-level-2" , share__no_argument, 0, '2' },
140 { "compression-level-3" , share__no_argument, 0, '3' },
141 { "compression-level-4" , share__no_argument, 0, '4' },
142 { "compression-level-5" , share__no_argument, 0, '5' },
143 { "compression-level-6" , share__no_argument, 0, '6' },
144 { "compression-level-7" , share__no_argument, 0, '7' },
145 { "compression-level-8" , share__no_argument, 0, '8' },
146 { "compression-level-9" , share__no_argument, 0, '9' },
147 { "best" , share__no_argument, 0, '8' },
148 { "fast" , share__no_argument, 0, '0' },
149 { "verify" , share__no_argument, 0, 'V' },
150 { "force-aiff-format" , share__no_argument, 0, 0 },
151 { "force-raw-format" , share__no_argument, 0, 0 },
152 { "lax" , share__no_argument, 0, 0 },
153 { "replay-gain" , share__no_argument, 0, 0 },
154 { "ignore-chunk-sizes" , share__no_argument, 0, 0 },
155 { "sector-align" , share__no_argument, 0, 0 },
156 { "seekpoint" , share__required_argument, 0, 'S' },
157 { "padding" , share__required_argument, 0, 'P' },
158 #if FLAC__HAS_OGG
159 { "ogg" , share__no_argument, 0, 0 },
160 { "serial-number" , share__required_argument, 0, 0 },
161 #endif
162 { "blocksize" , share__required_argument, 0, 'b' },
163 { "exhaustive-model-search" , share__no_argument, 0, 'e' },
164 { "max-lpc-order" , share__required_argument, 0, 'l' },
165 { "apodization" , share__required_argument, 0, 'A' },
166 { "mid-side" , share__no_argument, 0, 'm' },
167 { "adaptive-mid-side" , share__no_argument, 0, 'M' },
168 { "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
169 { "qlp-coeff-precision" , share__required_argument, 0, 'q' },
170 { "rice-partition-order" , share__required_argument, 0, 'r' },
171 { "endian" , share__required_argument, 0, 0 },
172 { "channels" , share__required_argument, 0, 0 },
173 { "bps" , share__required_argument, 0, 0 },
174 { "sample-rate" , share__required_argument, 0, 0 },
175 { "sign" , share__required_argument, 0, 0 },
176 { "input-size" , share__required_argument, 0, 0 },
177
178 /*
179 * analysis options
180 */
181 { "residual-gnuplot", share__no_argument, 0, 0 },
182 { "residual-text", share__no_argument, 0, 0 },
183
184 /*
185 * negatives
186 */
187 { "no-decode-through-errors" , share__no_argument, 0, 0 },
188 { "no-silent" , share__no_argument, 0, 0 },
189 { "no-force" , share__no_argument, 0, 0 },
190 { "no-seektable" , share__no_argument, 0, 0 },
191 { "no-delete-input-file" , share__no_argument, 0, 0 },
192 { "no-keep-foreign-metadata" , share__no_argument, 0, 0 },
193 { "no-replay-gain" , share__no_argument, 0, 0 },
194 { "no-ignore-chunk-sizes" , share__no_argument, 0, 0 },
195 { "no-sector-align" , share__no_argument, 0, 0 },
196 { "no-utf8-convert" , share__no_argument, 0, 0 },
197 { "no-lax" , share__no_argument, 0, 0 },
198 #if FLAC__HAS_OGG
199 { "no-ogg" , share__no_argument, 0, 0 },
200 #endif
201 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
202 { "no-mid-side" , share__no_argument, 0, 0 },
203 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
204 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
205 { "no-padding" , share__no_argument, 0, 0 },
206 { "no-verify" , share__no_argument, 0, 0 },
207 { "no-warnings-as-errors" , share__no_argument, 0, 0 },
208 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
209 { "no-residual-text" , share__no_argument, 0, 0 },
210 /*
211 * undocumented debugging options for the test suite
212 */
213 { "disable-constant-subframes", share__no_argument, 0, 0 },
214 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
215 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
216 { "no-md5-sum" , share__no_argument, 0, 0 },
217
218 {0, 0, 0, 0}
219 };
220
221
222 /*
223 * global to hold command-line option values
224 */
225
226 static struct {
227 FLAC__bool show_help;
228 FLAC__bool show_explain;
229 FLAC__bool show_version;
230 FLAC__bool mode_decode;
231 FLAC__bool verify;
232 FLAC__bool treat_warnings_as_errors;
233 FLAC__bool force_file_overwrite;
234 FLAC__bool continue_through_decode_errors;
235 replaygain_synthesis_spec_t replaygain_synthesis_spec;
236 FLAC__bool lax;
237 FLAC__bool test_only;
238 FLAC__bool analyze;
239 FLAC__bool use_ogg;
240 FLAC__bool has_serial_number; /* true iff --serial-number was used */
241 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
242 FLAC__bool force_to_stdout;
243 FLAC__bool force_aiff_format;
244 FLAC__bool force_raw_format;
245 FLAC__bool delete_input;
246 FLAC__bool keep_foreign_metadata;
247 FLAC__bool replay_gain;
248 FLAC__bool ignore_chunk_sizes;
249 FLAC__bool sector_align;
250 FLAC__bool utf8_convert; /* true by default, to convert tag strings from locale to utf-8, false if --no-utf8-convert used */
251 const char *cmdline_forced_outfilename;
252 const char *output_prefix;
253 analysis_options aopts;
254 int padding; /* -1 => no -P options were given, 0 => -P- was given, else -P value */
255 size_t num_compression_settings;
256 compression_setting_t compression_settings[64]; /* bad MAGIC NUMBER but buffer overflow is checked */
257 const char *skip_specification;
258 const char *until_specification;
259 const char *cue_specification;
260 int format_is_big_endian;
261 int format_is_unsigned_samples;
262 int format_channels;
263 int format_bps;
264 int format_sample_rate;
265 off_t format_input_size;
266 char requested_seek_points[5000]; /* bad MAGIC NUMBER but buffer overflow is checked */
267 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
268 const char *cuesheet_filename;
269 FLAC__bool cued_seekpoints;
270 FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */
271
272 unsigned num_files;
273 char **filenames;
274
275 FLAC__StreamMetadata *vorbis_comment;
276 FLAC__StreamMetadata *pictures[64];
277 unsigned num_pictures;
278
279 struct {
280 FLAC__bool disable_constant_subframes;
281 FLAC__bool disable_fixed_subframes;
282 FLAC__bool disable_verbatim_subframes;
283 FLAC__bool do_md5;
284 } debug;
285 } option_values;
286
287
288 /*
289 * miscellaneous globals
290 */
291
292 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */
293 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
294 static unsigned align_reservoir_samples = 0; /* 0 .. 587 */
295
296
main(int argc,char * argv[])297 int main(int argc, char *argv[])
298 {
299 int retval = 0;
300
301 #ifdef __EMX__
302 _response(&argc, &argv);
303 _wildcard(&argc, &argv);
304 #endif
305
306 srand((unsigned)time(0));
307 setlocale(LC_ALL, "");
308 if(!init_options()) {
309 flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
310 retval = 1;
311 }
312 else {
313 if((retval = parse_options(argc, argv)) == 0)
314 retval = do_it();
315 }
316
317 free_options();
318
319 return retval;
320 }
321
do_it(void)322 int do_it(void)
323 {
324 int retval = 0;
325
326 if(option_values.show_version) {
327 show_version();
328 return 0;
329 }
330 else if(option_values.show_explain) {
331 show_explain();
332 return 0;
333 }
334 else if(option_values.show_help) {
335 show_help();
336 return 0;
337 }
338 else {
339 if(option_values.num_files == 0) {
340 if(flac__utils_verbosity_ >= 1)
341 short_usage();
342 return 0;
343 }
344
345 /*
346 * tweak options; validate the values
347 */
348 if(!option_values.mode_decode) {
349 if(0 != option_values.cue_specification)
350 return usage_error("ERROR: --cue is not allowed in test mode\n");
351 }
352 else {
353 if(option_values.test_only) {
354 if(0 != option_values.skip_specification)
355 return usage_error("ERROR: --skip is not allowed in test mode\n");
356 if(0 != option_values.until_specification)
357 return usage_error("ERROR: --until is not allowed in test mode\n");
358 if(0 != option_values.cue_specification)
359 return usage_error("ERROR: --cue is not allowed in test mode\n");
360 if(0 != option_values.analyze)
361 return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n");
362 }
363 }
364
365 if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification))
366 return usage_error("ERROR: --cue may not be combined with --skip or --until\n");
367
368 if(option_values.format_channels >= 0) {
369 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
370 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
371 }
372 if(option_values.format_bps >= 0) {
373 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
374 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
375 }
376 if(option_values.format_sample_rate >= 0) {
377 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
378 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
379 }
380 if(option_values.force_raw_format && option_values.force_aiff_format)
381 return usage_error("ERROR: only one of --force-raw-format and --force-aiff-format allowed\n");
382 if(option_values.mode_decode) {
383 if(!option_values.force_raw_format) {
384 if(option_values.format_is_big_endian >= 0)
385 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
386 if(option_values.format_is_unsigned_samples >= 0)
387 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
388 }
389 if(option_values.format_channels >= 0)
390 return usage_error("ERROR: --channels not allowed with --decode\n");
391 if(option_values.format_bps >= 0)
392 return usage_error("ERROR: --bps not allowed with --decode\n");
393 if(option_values.format_sample_rate >= 0)
394 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
395 }
396
397 if(option_values.ignore_chunk_sizes) {
398 if(option_values.mode_decode)
399 return usage_error("ERROR: --ignore-chunk-sizes only allowed for encoding\n");
400 if(0 != option_values.sector_align)
401 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --sector-align\n");
402 if(0 != option_values.until_specification)
403 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --until\n");
404 if(0 != option_values.cue_specification)
405 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cue\n");
406 if(0 != option_values.cuesheet_filename)
407 return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cuesheet\n");
408 }
409 if(option_values.sector_align) {
410 if(option_values.mode_decode)
411 return usage_error("ERROR: --sector-align only allowed for encoding\n");
412 if(0 != option_values.skip_specification)
413 return usage_error("ERROR: --sector-align not allowed with --skip\n");
414 if(0 != option_values.until_specification)
415 return usage_error("ERROR: --sector-align not allowed with --until\n");
416 if(0 != option_values.cue_specification)
417 return usage_error("ERROR: --sector-align not allowed with --cue\n");
418 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
419 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
420 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
421 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
422 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
423 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
424 }
425 if(option_values.replay_gain) {
426 if(option_values.force_to_stdout)
427 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
428 if(option_values.mode_decode)
429 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
430 if(option_values.format_channels > 2)
431 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
432 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
433 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
434 /*
435 * We want to reserve padding space for the ReplayGain
436 * tags that we will set later, to avoid rewriting the
437 * whole file.
438 */
439 if(
440 (option_values.padding >= 0 && option_values.padding < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED) ||
441 (option_values.padding < 0 && FLAC_ENCODE__DEFAULT_PADDING < (int)GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED)
442 ) {
443 flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
444 option_values.padding = GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
445 }
446 else {
447 option_values.padding += GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
448 }
449 }
450 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
451 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
452 }
453 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
454 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
455 }
456 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
457 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
458 }
459 if(option_values.keep_foreign_metadata) {
460 /* we're not going to try and support the re-creation of broken WAVE files */
461 if(option_values.ignore_chunk_sizes)
462 return usage_error("ERROR: using --keep-foreign-metadata cannot be used with --ignore-chunk-sizes\n");
463 if(option_values.test_only)
464 return usage_error("ERROR: --keep-foreign-metadata is not allowed in test mode\n");
465 if(option_values.analyze)
466 return usage_error("ERROR: --keep-foreign-metadata is not allowed in analyis mode\n");
467 /*@@@@@@*/
468 if(option_values.delete_input)
469 return usage_error("ERROR: using --delete-input-file with --keep-foreign-metadata has been disabled until more testing has been done.\n");
470 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");
471 }
472 }
473
474 flac__utils_printf(stderr, 2, "\n");
475 flac__utils_printf(stderr, 2, "flac %s, Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson\n", FLAC__VERSION_STRING);
476 flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
477 flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
478
479 if(option_values.mode_decode) {
480 FLAC__bool first = true;
481
482 if(option_values.num_files == 0) {
483 retval = decode_file("-");
484 }
485 else {
486 unsigned i;
487 if(option_values.num_files > 1)
488 option_values.cmdline_forced_outfilename = 0;
489 for(i = 0, retval = 0; i < option_values.num_files; i++) {
490 if(0 == strcmp(option_values.filenames[i], "-") && !first)
491 continue;
492 retval |= decode_file(option_values.filenames[i]);
493 first = false;
494 }
495 }
496 }
497 else { /* encode */
498 FLAC__bool first = true;
499
500 if(option_values.ignore_chunk_sizes)
501 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");
502
503 if(option_values.num_files == 0) {
504 retval = encode_file("-", first, true);
505 }
506 else {
507 unsigned i;
508 if(option_values.num_files > 1)
509 option_values.cmdline_forced_outfilename = 0;
510 for(i = 0, retval = 0; i < option_values.num_files; i++) {
511 if(0 == strcmp(option_values.filenames[i], "-") && !first)
512 continue;
513 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
514 first = false;
515 }
516 if(option_values.replay_gain && retval == 0) {
517 float album_gain, album_peak;
518 grabbag__replaygain_get_album(&album_gain, &album_peak);
519 for(i = 0; i < option_values.num_files; i++) {
520 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
521 if(0 == outfilename) {
522 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]);
523 return 1;
524 }
525 if(0 == strcmp(option_values.filenames[i], "-")) {
526 FLAC__ASSERT(0);
527 /* double protection */
528 flac__utils_printf(stderr, 1, "internal error\n");
529 return 2;
530 }
531 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, /*preserve_modtime=*/true))) {
532 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags (%s)\n", outfilename, error);
533 retval = 1;
534 }
535 }
536 }
537 }
538 }
539
540 return retval;
541 }
542
init_options(void)543 FLAC__bool init_options(void)
544 {
545 option_values.show_help = false;
546 option_values.show_explain = false;
547 option_values.mode_decode = false;
548 option_values.verify = false;
549 option_values.treat_warnings_as_errors = false;
550 option_values.force_file_overwrite = false;
551 option_values.continue_through_decode_errors = false;
552 option_values.replaygain_synthesis_spec.apply = false;
553 option_values.replaygain_synthesis_spec.use_album_gain = true;
554 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
555 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
556 option_values.replaygain_synthesis_spec.preamp = 0.0;
557 option_values.lax = false;
558 option_values.test_only = false;
559 option_values.analyze = false;
560 option_values.use_ogg = false;
561 option_values.has_serial_number = false;
562 option_values.serial_number = 0;
563 option_values.force_to_stdout = false;
564 option_values.force_aiff_format = false;
565 option_values.force_raw_format = false;
566 option_values.delete_input = false;
567 option_values.keep_foreign_metadata = false;
568 option_values.replay_gain = false;
569 option_values.ignore_chunk_sizes = false;
570 option_values.sector_align = false;
571 option_values.utf8_convert = true;
572 option_values.cmdline_forced_outfilename = 0;
573 option_values.output_prefix = 0;
574 option_values.aopts.do_residual_text = false;
575 option_values.aopts.do_residual_gnuplot = false;
576 option_values.padding = -1;
577 option_values.num_compression_settings = 1;
578 option_values.compression_settings[0].type = CST_COMPRESSION_LEVEL;
579 option_values.compression_settings[0].value.t_unsigned = 5;
580 option_values.skip_specification = 0;
581 option_values.until_specification = 0;
582 option_values.cue_specification = 0;
583 option_values.format_is_big_endian = -1;
584 option_values.format_is_unsigned_samples = -1;
585 option_values.format_channels = -1;
586 option_values.format_bps = -1;
587 option_values.format_sample_rate = -1;
588 option_values.format_input_size = (off_t)(-1);
589 option_values.requested_seek_points[0] = '\0';
590 option_values.num_requested_seek_points = -1;
591 option_values.cuesheet_filename = 0;
592 option_values.cued_seekpoints = true;
593 option_values.channel_map_none = false;
594
595 option_values.num_files = 0;
596 option_values.filenames = 0;
597
598 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
599 return false;
600 option_values.num_pictures = 0;
601
602 option_values.debug.disable_constant_subframes = false;
603 option_values.debug.disable_fixed_subframes = false;
604 option_values.debug.disable_verbatim_subframes = false;
605 option_values.debug.do_md5 = true;
606
607 return true;
608 }
609
parse_options(int argc,char * argv[])610 int parse_options(int argc, char *argv[])
611 {
612 int short_option;
613 int option_index = 1;
614 FLAC__bool had_error = false;
615 const char *short_opts = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vVw";
616
617 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
618 switch (short_option) {
619 case 0: /* long option with no equivalent short option */
620 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
621 break;
622 case '?':
623 case ':':
624 had_error = true;
625 break;
626 default: /* short option */
627 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
628 break;
629 }
630 }
631
632 if(had_error) {
633 return 1;
634 }
635
636 FLAC__ASSERT(share__optind <= argc);
637
638 option_values.num_files = argc - share__optind;
639
640 if(option_values.num_files > 0) {
641 unsigned i = 0;
642 if(0 == (option_values.filenames = (char**)malloc(sizeof(char*) * option_values.num_files)))
643 die("out of memory allocating space for file names list");
644 while(share__optind < argc)
645 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
646 }
647
648 return 0;
649 }
650
parse_option(int short_option,const char * long_option,const char * option_argument)651 int parse_option(int short_option, const char *long_option, const char *option_argument)
652 {
653 const char *violation;
654 char *p;
655 int i;
656
657 if(short_option == 0) {
658 FLAC__ASSERT(0 != long_option);
659 if(0 == strcmp(long_option, "totally-silent")) {
660 flac__utils_verbosity_ = 0;
661 }
662 else if(0 == strcmp(long_option, "delete-input-file")) {
663 option_values.delete_input = true;
664 }
665 else if(0 == strcmp(long_option, "keep-foreign-metadata")) {
666 option_values.keep_foreign_metadata = true;
667 }
668 else if(0 == strcmp(long_option, "output-prefix")) {
669 FLAC__ASSERT(0 != option_argument);
670 option_values.output_prefix = option_argument;
671 }
672 else if(0 == strcmp(long_option, "skip")) {
673 FLAC__ASSERT(0 != option_argument);
674 option_values.skip_specification = option_argument;
675 }
676 else if(0 == strcmp(long_option, "until")) {
677 FLAC__ASSERT(0 != option_argument);
678 option_values.until_specification = option_argument;
679 }
680 else if(0 == strcmp(long_option, "input-size")) {
681 FLAC__ASSERT(0 != option_argument);
682 {
683 char *end;
684 #ifdef _MSC_VER
685 FLAC__int64 i;
686 i = local__strtoll(option_argument, &end);
687 #else
688 long long i;
689 i = strtoll(option_argument, &end, 10);
690 #endif
691 if(0 == strlen(option_argument) || *end)
692 return usage_error("ERROR: --%s must be a number\n", long_option);
693 option_values.format_input_size = (off_t)i;
694 if(option_values.format_input_size != i) /* check if off_t is smaller than long long */
695 return usage_error("ERROR: --%s too large; this build of flac does not support filesizes over 2GB\n", long_option);
696 if(option_values.format_input_size <= 0)
697 return usage_error("ERROR: --%s must be > 0\n", long_option);
698 }
699 }
700 else if(0 == strcmp(long_option, "cue")) {
701 FLAC__ASSERT(0 != option_argument);
702 option_values.cue_specification = option_argument;
703 }
704 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
705 option_values.replaygain_synthesis_spec.apply = true;
706 if (0 != option_argument) {
707 char *p;
708 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
709 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
710 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
711 for ( ; *p; p++) {
712 if (*p == 'a')
713 option_values.replaygain_synthesis_spec.use_album_gain = true;
714 else if (*p == 't')
715 option_values.replaygain_synthesis_spec.use_album_gain = false;
716 else if (*p == 'l')
717 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
718 else if (*p == 'L')
719 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
720 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
721 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
722 p++;
723 }
724 else
725 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
726 }
727 }
728 }
729 else if(0 == strcmp(long_option, "channel-map")) {
730 if (0 == option_argument || strcmp(option_argument, "none"))
731 return usage_error("ERROR: only --channel-map=none currently supported\n");
732 option_values.channel_map_none = true;
733 }
734 else if(0 == strcmp(long_option, "cuesheet")) {
735 FLAC__ASSERT(0 != option_argument);
736 option_values.cuesheet_filename = option_argument;
737 }
738 else if(0 == strcmp(long_option, "picture")) {
739 const unsigned max_pictures = sizeof(option_values.pictures)/sizeof(option_values.pictures[0]);
740 FLAC__ASSERT(0 != option_argument);
741 if(option_values.num_pictures >= max_pictures)
742 return usage_error("ERROR: too many --picture arguments, only %u allowed\n", max_pictures);
743 if(0 == (option_values.pictures[option_values.num_pictures] = grabbag__picture_parse_specification(option_argument, &violation)))
744 return usage_error("ERROR: (--picture) %s\n", violation);
745 option_values.num_pictures++;
746 }
747 else if(0 == strcmp(long_option, "tag-from-file")) {
748 FLAC__ASSERT(0 != option_argument);
749 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, /*raw=*/!option_values.utf8_convert, &violation))
750 return usage_error("ERROR: (--tag-from-file) %s\n", violation);
751 }
752 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
753 option_values.cued_seekpoints = false;
754 }
755 else if(0 == strcmp(long_option, "force-aiff-format")) {
756 option_values.force_aiff_format = true;
757 }
758 else if(0 == strcmp(long_option, "force-raw-format")) {
759 option_values.force_raw_format = true;
760 }
761 else if(0 == strcmp(long_option, "lax")) {
762 option_values.lax = true;
763 }
764 else if(0 == strcmp(long_option, "replay-gain")) {
765 option_values.replay_gain = true;
766 }
767 else if(0 == strcmp(long_option, "ignore-chunk-sizes")) {
768 option_values.ignore_chunk_sizes = true;
769 }
770 else if(0 == strcmp(long_option, "sector-align")) {
771 option_values.sector_align = true;
772 }
773 #if FLAC__HAS_OGG
774 else if(0 == strcmp(long_option, "ogg")) {
775 option_values.use_ogg = true;
776 }
777 else if(0 == strcmp(long_option, "serial-number")) {
778 option_values.has_serial_number = true;
779 option_values.serial_number = atol(option_argument);
780 }
781 #endif
782 else if(0 == strcmp(long_option, "endian")) {
783 FLAC__ASSERT(0 != option_argument);
784 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
785 option_values.format_is_big_endian = true;
786 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
787 option_values.format_is_big_endian = false;
788 else
789 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
790 }
791 else if(0 == strcmp(long_option, "channels")) {
792 FLAC__ASSERT(0 != option_argument);
793 option_values.format_channels = atoi(option_argument);
794 }
795 else if(0 == strcmp(long_option, "bps")) {
796 FLAC__ASSERT(0 != option_argument);
797 option_values.format_bps = atoi(option_argument);
798 }
799 else if(0 == strcmp(long_option, "sample-rate")) {
800 FLAC__ASSERT(0 != option_argument);
801 option_values.format_sample_rate = atoi(option_argument);
802 }
803 else if(0 == strcmp(long_option, "sign")) {
804 FLAC__ASSERT(0 != option_argument);
805 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
806 option_values.format_is_unsigned_samples = false;
807 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
808 option_values.format_is_unsigned_samples = true;
809 else
810 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
811 }
812 else if(0 == strcmp(long_option, "residual-gnuplot")) {
813 option_values.aopts.do_residual_gnuplot = true;
814 }
815 else if(0 == strcmp(long_option, "residual-text")) {
816 option_values.aopts.do_residual_text = true;
817 }
818 /*
819 * negatives
820 */
821 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
822 option_values.continue_through_decode_errors = false;
823 }
824 else if(0 == strcmp(long_option, "no-silent")) {
825 flac__utils_verbosity_ = 2;
826 }
827 else if(0 == strcmp(long_option, "no-force")) {
828 option_values.force_file_overwrite = false;
829 }
830 else if(0 == strcmp(long_option, "no-seektable")) {
831 option_values.num_requested_seek_points = 0;
832 option_values.requested_seek_points[0] = '\0';
833 }
834 else if(0 == strcmp(long_option, "no-delete-input-file")) {
835 option_values.delete_input = false;
836 }
837 else if(0 == strcmp(long_option, "no-keep-foreign-metadata")) {
838 option_values.keep_foreign_metadata = false;
839 }
840 else if(0 == strcmp(long_option, "no-replay-gain")) {
841 option_values.replay_gain = false;
842 }
843 else if(0 == strcmp(long_option, "no-ignore-chunk-sizes")) {
844 option_values.ignore_chunk_sizes = false;
845 }
846 else if(0 == strcmp(long_option, "no-sector-align")) {
847 option_values.sector_align = false;
848 }
849 else if(0 == strcmp(long_option, "no-utf8-convert")) {
850 option_values.utf8_convert = false;
851 }
852 else if(0 == strcmp(long_option, "no-lax")) {
853 option_values.lax = false;
854 }
855 #if FLAC__HAS_OGG
856 else if(0 == strcmp(long_option, "no-ogg")) {
857 option_values.use_ogg = false;
858 }
859 #endif
860 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
861 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, false);
862 }
863 else if(0 == strcmp(long_option, "no-mid-side")) {
864 add_compression_setting_bool(CST_DO_MID_SIDE, false);
865 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
866 }
867 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
868 add_compression_setting_bool(CST_DO_MID_SIDE, false);
869 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
870 }
871 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
872 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, false);
873 }
874 else if(0 == strcmp(long_option, "no-padding")) {
875 option_values.padding = 0;
876 }
877 else if(0 == strcmp(long_option, "no-verify")) {
878 option_values.verify = false;
879 }
880 else if(0 == strcmp(long_option, "no-warnings-as-errors")) {
881 option_values.treat_warnings_as_errors = false;
882 }
883 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
884 option_values.aopts.do_residual_gnuplot = false;
885 }
886 else if(0 == strcmp(long_option, "no-residual-text")) {
887 option_values.aopts.do_residual_text = false;
888 }
889 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
890 option_values.debug.disable_constant_subframes = true;
891 }
892 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
893 option_values.debug.disable_fixed_subframes = true;
894 }
895 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
896 option_values.debug.disable_verbatim_subframes = true;
897 }
898 else if(0 == strcmp(long_option, "no-md5-sum")) {
899 option_values.debug.do_md5 = false;
900 }
901 }
902 else {
903 switch(short_option) {
904 case 'h':
905 option_values.show_help = true;
906 break;
907 case 'H':
908 option_values.show_explain = true;
909 break;
910 case 'v':
911 option_values.show_version = true;
912 break;
913 case 'd':
914 option_values.mode_decode = true;
915 break;
916 case 'a':
917 option_values.mode_decode = true;
918 option_values.analyze = true;
919 break;
920 case 't':
921 option_values.mode_decode = true;
922 option_values.test_only = true;
923 break;
924 case 'c':
925 option_values.force_to_stdout = true;
926 break;
927 case 's':
928 flac__utils_verbosity_ = 1;
929 break;
930 case 'f':
931 option_values.force_file_overwrite = true;
932 break;
933 case 'o':
934 FLAC__ASSERT(0 != option_argument);
935 option_values.cmdline_forced_outfilename = option_argument;
936 break;
937 case 'F':
938 option_values.continue_through_decode_errors = true;
939 break;
940 case 'T':
941 FLAC__ASSERT(0 != option_argument);
942 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/false, /*raw=*/!option_values.utf8_convert, &violation))
943 return usage_error("ERROR: (-T/--tag) %s\n", violation);
944 break;
945 case '0':
946 case '1':
947 case '2':
948 case '3':
949 case '4':
950 case '5':
951 case '6':
952 case '7':
953 case '8':
954 add_compression_setting_unsigned(CST_COMPRESSION_LEVEL, short_option-'0');
955 break;
956 case '9':
957 return usage_error("ERROR: compression level '9' is reserved\n");
958 case 'V':
959 option_values.verify = true;
960 break;
961 case 'w':
962 option_values.treat_warnings_as_errors = true;
963 break;
964 case 'S':
965 FLAC__ASSERT(0 != option_argument);
966 if(0 == strcmp(option_argument, "-")) {
967 option_values.num_requested_seek_points = 0;
968 option_values.requested_seek_points[0] = '\0';
969 }
970 else {
971 if(option_values.num_requested_seek_points < 0)
972 option_values.num_requested_seek_points = 0;
973 option_values.num_requested_seek_points++;
974 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
975 return usage_error("ERROR: too many seekpoints requested\n");
976 }
977 else {
978 strcat(option_values.requested_seek_points, option_argument);
979 strcat(option_values.requested_seek_points, ";");
980 }
981 }
982 break;
983 case 'P':
984 FLAC__ASSERT(0 != option_argument);
985 option_values.padding = atoi(option_argument);
986 if(option_values.padding < 0)
987 return usage_error("ERROR: argument to -%c must be >= 0; for no padding use -%c-\n", short_option, short_option);
988 break;
989 case 'b':
990 FLAC__ASSERT(0 != option_argument);
991 i = atoi(option_argument);
992 if((i < (int)FLAC__MIN_BLOCK_SIZE || i > (int)FLAC__MAX_BLOCK_SIZE))
993 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);
994 add_compression_setting_unsigned(CST_BLOCKSIZE, (unsigned)i);
995 break;
996 case 'e':
997 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, true);
998 break;
999 case 'E':
1000 add_compression_setting_bool(CST_DO_ESCAPE_CODING, true);
1001 break;
1002 case 'l':
1003 FLAC__ASSERT(0 != option_argument);
1004 i = atoi(option_argument);
1005 if((i < 0 || i > (int)FLAC__MAX_LPC_ORDER))
1006 return usage_error("ERROR: invalid LPC order (-%c) '%d', must be >= %u and <= %u\n", short_option, i, 0, FLAC__MAX_LPC_ORDER);
1007 add_compression_setting_unsigned(CST_MAX_LPC_ORDER, (unsigned)i);
1008 break;
1009 case 'A':
1010 FLAC__ASSERT(0 != option_argument);
1011 add_compression_setting_string(CST_APODIZATION, option_argument);
1012 break;
1013 case 'm':
1014 add_compression_setting_bool(CST_DO_MID_SIDE, true);
1015 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
1016 break;
1017 case 'M':
1018 add_compression_setting_bool(CST_DO_MID_SIDE, true);
1019 add_compression_setting_bool(CST_LOOSE_MID_SIDE, true);
1020 break;
1021 case 'p':
1022 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, true);
1023 break;
1024 case 'q':
1025 FLAC__ASSERT(0 != option_argument);
1026 i = atoi(option_argument);
1027 if(i < 0 || (i > 0 && (i < (int)FLAC__MIN_QLP_COEFF_PRECISION || i > (int)FLAC__MAX_QLP_COEFF_PRECISION)))
1028 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);
1029 add_compression_setting_unsigned(CST_QLP_COEFF_PRECISION, (unsigned)i);
1030 break;
1031 case 'r':
1032 FLAC__ASSERT(0 != option_argument);
1033 p = strchr(option_argument, ',');
1034 if(0 == p) {
1035 add_compression_setting_unsigned(CST_MIN_RESIDUAL_PARTITION_ORDER, 0);
1036 i = atoi(option_argument);
1037 if(i < 0)
1038 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);
1039 add_compression_setting_unsigned(CST_MAX_RESIDUAL_PARTITION_ORDER, (unsigned)i);
1040 }
1041 else {
1042 i = atoi(option_argument);
1043 if(i < 0)
1044 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);
1045 add_compression_setting_unsigned(CST_MIN_RESIDUAL_PARTITION_ORDER, (unsigned)i);
1046 i = atoi(++p);
1047 if(i < 0)
1048 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);
1049 add_compression_setting_unsigned(CST_MAX_RESIDUAL_PARTITION_ORDER, (unsigned)i);
1050 }
1051 break;
1052 case 'R':
1053 i = atoi(option_argument);
1054 if(i < 0)
1055 return usage_error("ERROR: invalid value '%d' for Rice parameter search distance (-%c), must be >= 0\n", i, short_option);
1056 add_compression_setting_unsigned(CST_RICE_PARAMETER_SEARCH_DIST, (unsigned)i);
1057 break;
1058 default:
1059 FLAC__ASSERT(0);
1060 }
1061 }
1062
1063 return 0;
1064 }
1065
free_options(void)1066 void free_options(void)
1067 {
1068 unsigned i;
1069 if(0 != option_values.filenames) {
1070 for(i = 0; i < option_values.num_files; i++) {
1071 if(0 != option_values.filenames[i])
1072 free(option_values.filenames[i]);
1073 }
1074 free(option_values.filenames);
1075 }
1076 if(0 != option_values.vorbis_comment)
1077 FLAC__metadata_object_delete(option_values.vorbis_comment);
1078 for(i = 0; i < option_values.num_pictures; i++)
1079 FLAC__metadata_object_delete(option_values.pictures[i]);
1080 }
1081
add_compression_setting_bool(compression_setting_type_t type,FLAC__bool value)1082 void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value)
1083 {
1084 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1085 die("too many compression settings");
1086 option_values.compression_settings[option_values.num_compression_settings].type = type;
1087 option_values.compression_settings[option_values.num_compression_settings].value.t_bool = value;
1088 option_values.num_compression_settings++;
1089 }
1090
add_compression_setting_string(compression_setting_type_t type,const char * value)1091 void add_compression_setting_string(compression_setting_type_t type, const char *value)
1092 {
1093 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1094 die("too many compression settings");
1095 option_values.compression_settings[option_values.num_compression_settings].type = type;
1096 option_values.compression_settings[option_values.num_compression_settings].value.t_string = value;
1097 option_values.num_compression_settings++;
1098 }
1099
add_compression_setting_unsigned(compression_setting_type_t type,unsigned value)1100 void add_compression_setting_unsigned(compression_setting_type_t type, unsigned value)
1101 {
1102 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1103 die("too many compression settings");
1104 option_values.compression_settings[option_values.num_compression_settings].type = type;
1105 option_values.compression_settings[option_values.num_compression_settings].value.t_unsigned = value;
1106 option_values.num_compression_settings++;
1107 }
1108
usage_error(const char * message,...)1109 int usage_error(const char *message, ...)
1110 {
1111 if(flac__utils_verbosity_ >= 1) {
1112 va_list args;
1113
1114 FLAC__ASSERT(0 != message);
1115
1116 va_start(args, message);
1117
1118 (void) vfprintf(stderr, message, args);
1119
1120 va_end(args);
1121
1122 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1123 }
1124
1125 return 1;
1126 }
1127
show_version(void)1128 void show_version(void)
1129 {
1130 printf("flac %s\n", FLAC__VERSION_STRING);
1131 }
1132
usage_header(void)1133 static void usage_header(void)
1134 {
1135 printf("===============================================================================\n");
1136 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1137 printf("Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson\n");
1138 printf("\n");
1139 printf("This program is free software; you can redistribute it and/or\n");
1140 printf("modify it under the terms of the GNU General Public License\n");
1141 printf("as published by the Free Software Foundation; either version 2\n");
1142 printf("of the License, or (at your option) any later version.\n");
1143 printf("\n");
1144 printf("This program is distributed in the hope that it will be useful,\n");
1145 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1146 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1147 printf("GNU General Public License for more details.\n");
1148 printf("\n");
1149 printf("You should have received a copy of the GNU General Public License\n");
1150 printf("along with this program; if not, write to the Free Software\n");
1151 printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
1152 printf("===============================================================================\n");
1153 }
1154
usage_summary(void)1155 static void usage_summary(void)
1156 {
1157 printf("Usage:\n");
1158 printf("\n");
1159 printf(" Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]\n");
1160 printf(" Decoding: flac -d [<general-options>] [<format-options>] [FLACFILE [...]]\n");
1161 printf(" Testing: flac -t [<general-options>] [FLACFILE [...]]\n");
1162 printf("Analyzing: flac -a [<general-options>] [<analysis-options>] [FLACFILE [...]]\n");
1163 printf("\n");
1164 }
1165
short_usage(void)1166 void short_usage(void)
1167 {
1168 usage_header();
1169 printf("\n");
1170 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1171 printf("instructions use 'flac --explain'\n");
1172 printf("\n");
1173 printf("To encode:\n");
1174 printf(" flac [-#] [INPUTFILE [...]]\n");
1175 printf("\n");
1176 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1177 printf("\n");
1178 printf("To decode:\n");
1179 printf(" flac -d [INPUTFILE [...]]\n");
1180 printf("\n");
1181 printf("To test:\n");
1182 printf(" flac -t [INPUTFILE [...]]\n");
1183 }
1184
show_help(void)1185 void show_help(void)
1186 {
1187 usage_header();
1188 usage_summary();
1189 printf("general options:\n");
1190 printf(" -v, --version Show the flac version number\n");
1191 printf(" -h, --help Show this screen\n");
1192 printf(" -H, --explain Show detailed explanation of usage and options\n");
1193 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1194 printf(" -t, --test Same as -d except no decoded file is written\n");
1195 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1196 printf(" -c, --stdout Write output to stdout\n");
1197 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1198 printf(" --totally-silent Do not print anything, including errors\n");
1199 printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8\n");
1200 printf(" -w, --warnings-as-errors Treat all warnings as errors\n");
1201 printf(" -f, --force Force overwriting of output files\n");
1202 printf(" -o, --output-name=FILENAME Force the output file name\n");
1203 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1204 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1205 printf(" --keep-foreign-metadata Save/restore WAVE or AIFF non-audio chunks\n");
1206 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1207 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1208 #if FLAC__HAS_OGG
1209 printf(" --ogg Use Ogg as transport layer\n");
1210 printf(" --serial-number Serial number to use for the FLAC stream\n");
1211 #endif
1212 printf("analysis options:\n");
1213 printf(" --residual-text Include residual signal in text output\n");
1214 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1215 printf("decoding options:\n");
1216 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1217 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n");
1218 printf("encoding options:\n");
1219 printf(" -V, --verify Verify a correct encoding\n");
1220 printf(" --lax Allow encoder to generate non-Subset files\n");
1221 #if 0 /*@@@ currently undocumented */
1222 printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files\n");
1223 #endif
1224 printf(" --sector-align Align multiple files on sector boundaries\n");
1225 printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n");
1226 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1227 printf(" --picture=SPECIFICATION Import picture and store in PICTURE block\n");
1228 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n");
1229 printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\n");
1230 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1231 printf(" -P, --padding=# Write a PADDING block of length #\n");
1232 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n");
1233 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n");
1234 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1235 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n");
1236 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n");
1237 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n");
1238 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n");
1239 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4096 -m -e -r 6\n");
1240 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -e -r 6\n");
1241 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1242 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1243 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1244 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1245 printf(" -A, --apodization=\"function\" Window audio data with given the function\n");
1246 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1247 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1248 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1249 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1250 printf("format options:\n");
1251 printf(" --endian={big|little} Set byte order for samples\n");
1252 printf(" --channels=# Number of channels\n");
1253 printf(" --bps=# Number of bits per sample\n");
1254 printf(" --sample-rate=# Sample rate in Hz\n");
1255 printf(" --sign={signed|unsigned} Sign of samples\n");
1256 printf(" --input-size=# Size of the raw input in bytes\n");
1257 printf(" --force-aiff-format Force decoding to AIFF format\n");
1258 printf(" --force-raw-format Treat input or output as raw samples\n");
1259 printf("negative options:\n");
1260 printf(" --no-adaptive-mid-side\n");
1261 printf(" --no-decode-through-errors\n");
1262 printf(" --no-delete-input-file\n");
1263 printf(" --no-keep-foreign-metadata\n");
1264 printf(" --no-exhaustive-model-search\n");
1265 printf(" --no-lax\n");
1266 printf(" --no-mid-side\n");
1267 #if FLAC__HAS_OGG
1268 printf(" --no-ogg\n");
1269 #endif
1270 printf(" --no-padding\n");
1271 printf(" --no-qlp-coeff-prec-search\n");
1272 printf(" --no-replay-gain\n");
1273 printf(" --no-residual-gnuplot\n");
1274 printf(" --no-residual-text\n");
1275 #if 0 /*@@@ currently undocumented */
1276 printf(" --no-ignore-chunk-sizes\n");
1277 #endif
1278 printf(" --no-sector-align\n");
1279 printf(" --no-seektable\n");
1280 printf(" --no-silent\n");
1281 printf(" --no-force\n");
1282 printf(" --no-verify\n");
1283 printf(" --no-warnings-as-errors\n");
1284 }
1285
show_explain(void)1286 void show_explain(void)
1287 {
1288 usage_header();
1289 usage_summary();
1290 printf("For encoding:\n");
1291 printf(" The input file(s) may be a PCM WAVE file, AIFF (or uncompressed AIFF-C)\n");
1292 printf(" file, or raw samples.\n");
1293 printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n");
1294 printf("For decoding, the reverse is true.\n");
1295 printf("\n");
1296 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1297 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1298 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1299 printf("instead of:\n");
1300 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1301 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1302 printf("WAVE/AIFF header contents when necessary.\n");
1303 printf("\n");
1304 printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
1305 printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n");
1306 printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
1307 printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n");
1308 printf("files using -fr.\n");
1309 printf("\n");
1310 printf("general options:\n");
1311 printf(" -v, --version Show the flac version number\n");
1312 printf(" -h, --help Show basic usage a list of all options\n");
1313 printf(" -H, --explain Show this screen\n");
1314 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1315 printf(" -t, --test Same as -d except no decoded file is written\n");
1316 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1317 printf(" -c, --stdout Write output to stdout\n");
1318 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1319 printf(" --totally-silent Do not print anything of any kind, including\n");
1320 printf(" warnings or errors. The exit code will be the\n");
1321 printf(" only way to determine successful completion.\n");
1322 printf(" --no-utf8-convert Do not convert tags from local charset to UTF-8.\n");
1323 printf(" This is useful for scripts, and setting tags in\n");
1324 printf(" situations where the locale is wrong. This\n");
1325 printf(" option must appear before any tag options!\n");
1326 printf(" -w, --warnings-as-errors Treat all warnings as errors\n");
1327 printf(" -f, --force Force overwriting of output files\n");
1328 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1329 printf(" changes the extension. May only be used when\n");
1330 printf(" encoding a single file. May not be used in\n");
1331 printf(" conjunction with --output-prefix.\n");
1332 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1333 printf(" STRING. This can be useful for encoding or\n");
1334 printf(" decoding files to a different directory. Make\n");
1335 printf(" sure if your STRING is a path name that it ends\n");
1336 printf(" with a '/' slash.\n");
1337 printf(" --delete-input-file Automatically delete the input file after a\n");
1338 printf(" successful encode or decode. If there was an\n");
1339 printf(" error (including a verify error) the input file\n");
1340 printf(" is left intact.\n");
1341 printf(" --keep-foreign-metadata If encoding, save WAVE or AIFF non-audio chunks\n");
1342 printf(" in FLAC metadata. If decoding, restore any saved\n");
1343 printf(" non-audio chunks from FLAC metadata when writing\n");
1344 printf(" the decoded file. Foreign metadata cannot be\n");
1345 printf(" transcoded, e.g. WAVE chunks saved in a FLAC file\n");
1346 printf(" cannot be restored when decoding to AIFF. Input\n");
1347 printf(" and output must be regular files, not stdin/out.\n");
1348 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1349 printf(" be used both for encoding and decoding. The\n");
1350 printf(" alternative form mm:ss.ss can be used to specify\n");
1351 printf(" minutes, seconds, and fractions of a second.\n");
1352 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1353 printf(" file. The given sample number is not included\n");
1354 printf(" in the decoded output. The alternative form\n");
1355 printf(" mm:ss.ss can be used to specify minutes,\n");
1356 printf(" seconds, and fractions of a second. If a `+'\n");
1357 printf(" sign is at the beginning, the --until point is\n");
1358 printf(" relative to the --skip point. If a `-' sign is\n");
1359 printf(" at the beginning, the --until point is relative\n");
1360 printf(" to end of the audio.\n");
1361 #if FLAC__HAS_OGG
1362 printf(" --ogg When encoding, generate Ogg FLAC output instead\n");
1363 printf(" of native FLAC. Ogg FLAC streams are FLAC\n");
1364 printf(" streams wrapped in an Ogg transport layer. The\n");
1365 printf(" resulting file should have an '.oga' extension\n");
1366 printf(" and will still be decodable by flac. When\n");
1367 printf(" decoding, force the input to be treated as\n");
1368 printf(" Ogg FLAC. This is useful when piping input\n");
1369 printf(" from stdin or when the filename does not end in\n");
1370 printf(" '.oga' or '.ogg'.\n");
1371 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1372 printf(" encoding and no serial number is given, flac\n");
1373 printf(" uses a random one. If encoding to multiple files\n");
1374 printf(" the serial number is incremented for each file.\n");
1375 printf(" When decoding and no number is given, flac uses\n");
1376 printf(" the serial number of the first page.\n");
1377 #endif
1378 printf("analysis options:\n");
1379 printf(" --residual-text Include residual signal in text output. This\n");
1380 printf(" will make the file very big, much larger than\n");
1381 printf(" even the decoded file.\n");
1382 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1383 printf(" of each subframe\n");
1384 printf("decoding options:\n");
1385 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1386 printf(" and removes the partially decoded file if it\n");
1387 printf(" encounters a bitstream error. With -F, errors\n");
1388 printf(" are still printed but flac will continue\n");
1389 printf(" decoding to completion. Note that errors may\n");
1390 printf(" cause the decoded audio to be missing some\n");
1391 printf(" samples or have silent sections.\n");
1392 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n");
1393 printf(" decode. The optional first #.# is the track and\n");
1394 printf(" index point at which decoding will start; the\n");
1395 printf(" default is the beginning of the stream. The\n");
1396 printf(" optional second #.# is the track and index point\n");
1397 printf(" at which decoding will end; the default is the\n");
1398 printf(" end of the stream. If the cuepoint does not\n");
1399 printf(" exist, the closest one before it (for the start\n");
1400 printf(" point) or after it (for the end point) will be\n");
1401 printf(" used. The cuepoints are merely translated into\n");
1402 printf(" sample numbers then used as --skip and --until.\n");
1403 printf(" A CD track can always be cued by, for example,\n");
1404 printf(" --cue=9.1-10.1 for track 9, even if the CD has\n");
1405 printf(" no 10th track.\n");
1406 printf("encoding options:\n");
1407 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1408 printf(" output in parallel and comparing to the\n");
1409 printf(" original\n");
1410 printf(" --lax Allow encoder to generate non-Subset files\n");
1411 #if 0 /*@@@ currently undocumented */
1412 printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files;\n");
1413 printf(" useful when piping data from programs which\n");
1414 printf(" generate bogus data chunk sizes.\n");
1415 #endif
1416 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1417 printf(" on sector boundaries.\n");
1418 printf(" --replay-gain Calculate ReplayGain values and store them as\n");
1419 printf(" FLAC tags. Title gains/peaks will be computed\n");
1420 printf(" for each file, and an album gain/peak will be\n");
1421 printf(" computed for all files. All input files must\n");
1422 printf(" have the same resolution, sample rate, and\n");
1423 printf(" number of channels. The sample rate must be\n");
1424 printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
1425 printf(" or 48 kHz. NOTE: this option may also leave a\n");
1426 printf(" few extra bytes in the PADDING block.\n");
1427 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1428 printf(" a CUESHEET metadata block. This option may only\n");
1429 printf(" be used when encoding a single file. A\n");
1430 printf(" seekpoint will be added for each index point in\n");
1431 printf(" the cuesheet to the SEEKTABLE unless\n");
1432 printf(" --no-cued-seekpoints is specified.\n");
1433 printf(" --picture=SPECIFICATION Import a picture and store it in a PICTURE block.\n");
1434 printf(" More than one --picture command can be specified.\n");
1435 printf(" The SPECIFICATION can either be a simple filename\n");
1436 printf(" for the picture file, or a complete specification\n");
1437 printf(" whose parts are separated by | characters. Some\n");
1438 printf(" parts may be left empty to invoke default values.\n");
1439 printf(" Using a filename is shorthand for \"||||FILE\".\n");
1440 printf(" The SPECIFICATION format is:\n");
1441 printf(" [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n");
1442 printf(" TYPE is optional; it is a number from one of:\n");
1443 printf(" 0: Other\n");
1444 printf(" 1: 32x32 pixels 'file icon' (PNG only)\n");
1445 printf(" 2: Other file icon\n");
1446 printf(" 3: Cover (front)\n");
1447 printf(" 4: Cover (back)\n");
1448 printf(" 5: Leaflet page\n");
1449 printf(" 6: Media (e.g. label side of CD)\n");
1450 printf(" 7: Lead artist/lead performer/soloist\n");
1451 printf(" 8: Artist/performer\n");
1452 printf(" 9: Conductor\n");
1453 printf(" 10: Band/Orchestra\n");
1454 printf(" 11: Composer\n");
1455 printf(" 12: Lyricist/text writer\n");
1456 printf(" 13: Recording Location\n");
1457 printf(" 14: During recording\n");
1458 printf(" 15: During performance\n");
1459 printf(" 16: Movie/video screen capture\n");
1460 printf(" 17: A bright coloured fish\n");
1461 printf(" 18: Illustration\n");
1462 printf(" 19: Band/artist logotype\n");
1463 printf(" 20: Publisher/Studio logotype\n");
1464 printf(" The default is 3 (front cover). There may only be one picture each\n");
1465 printf(" of type 1 and 2 in a file.\n");
1466 printf(" MIME-TYPE is optional; if left blank, it will be detected from the\n");
1467 printf(" file. For best compatibility with players, use pictures with MIME\n");
1468 printf(" type image/jpeg or image/png. The MIME type can also be --> to\n");
1469 printf(" mean that FILE is actually a URL to an image, though this use is\n");
1470 printf(" discouraged.\n");
1471 printf(" DESCRIPTION is optional; the default is an empty string\n");
1472 printf(" The next part specfies the resolution and color information. If\n");
1473 printf(" the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n");
1474 printf(" usually leave this empty and they can be detected from the file.\n");
1475 printf(" Otherwise, you must specify the width in pixels, height in pixels,\n");
1476 printf(" and color depth in bits-per-pixel. If the image has indexed colors\n");
1477 printf(" you should also specify the number of colors used.\n");
1478 printf(" FILE is the path to the picture file to be imported, or the URL if\n");
1479 printf(" MIME type is -->\n");
1480 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n");
1481 printf(" comment if necessary. This option may appear\n");
1482 printf(" more than once to add several comments. NOTE:\n");
1483 printf(" all tags will be added to all encoded files.\n");
1484 printf(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n");
1485 printf(" whose contents will be read verbatim to set the\n");
1486 printf(" tag value. The contents will be converted to\n");
1487 printf(" UTF-8 from the local charset. This can be used\n");
1488 printf(" to store a cuesheet in a tag (e.g.\n");
1489 printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n");
1490 printf(" try to store binary data in tag fields! Use\n");
1491 printf(" APPLICATION blocks for that.\n");
1492 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1493 printf(" # : a specific sample number for a seek point\n");
1494 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1495 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1496 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1497 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1498 printf(" ified union of all such values.\n");
1499 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1500 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1501 printf(" input size before starting.\n");
1502 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1503 printf(" either no seek point entered (if the input size is determinable\n");
1504 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1505 printf(" determinable)\n");
1506 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1507 printf(" block of the given length (in bytes) after the\n");
1508 printf(" STREAMINFO block. This is useful if you plan\n");
1509 printf(" to tag the file later with an APPLICATION\n");
1510 printf(" block; instead of having to rewrite the entire\n");
1511 printf(" file later just to insert your block, you can\n");
1512 printf(" write directly over the PADDING block. Note\n");
1513 printf(" that the total length of the PADDING block will\n");
1514 printf(" be 4 bytes longer than the length given because\n");
1515 printf(" of the 4 metadata block header bytes. You can\n");
1516 printf(" force no PADDING block at all to be written with\n");
1517 printf(" --no-padding. The encoder writes a PADDING\n");
1518 printf(" block of 8192 bytes by default, or 65536 bytes\n");
1519 printf(" if the input audio is more than 20 minutes long.\n");
1520 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1521 printf(" 1152 for -l 0, else 4096; must be one of 192,\n");
1522 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1523 printf(" 4096 (and 8192 or 16384 if the sample rate is\n");
1524 printf(" >48kHz) for Subset streams.\n");
1525 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n");
1526 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\n");
1527 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1528 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4096 -r 4\n");
1529 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n");
1530 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n");
1531 printf(" -5 is the default setting\n");
1532 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n");
1533 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4096 -m -e -r 6\n");
1534 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -m -e -r 6\n");
1535 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1536 printf(" (stereo only)\n");
1537 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1538 printf(" (stereo only)\n");
1539 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1540 printf(" -A, --apodization=\"function\" Window audio data with given the function.\n");
1541 printf(" The functions are: bartlett, bartlett_hann,\n");
1542 printf(" blackman, blackman_harris_4term_92db,\n");
1543 printf(" connes, flattop, gauss(STDDEV), hamming,\n");
1544 printf(" hann, kaiser_bessel, nuttall, rectangle,\n");
1545 printf(" triangle, tukey(P), welch. More than one\n");
1546 printf(" may be specified but encoding time is a\n");
1547 printf(" multiple of the number of functions since\n");
1548 printf(" they are each tried in turn. The encoder\n");
1549 printf(" chooses suitable defaults in the absence\n");
1550 printf(" of any -A options.\n");
1551 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors.\n");
1552 printf(" Must be <= 12 for Subset streams if sample\n");
1553 printf(" rate is <=48kHz.\n");
1554 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1555 printf(" quantization (expensive!); overrides -q;\n");
1556 printf(" does nothing if using -l 0\n");
1557 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1558 printf(" linear-predictor coefficients; 0 => let\n");
1559 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1560 printf(" default is -q 0)\n");
1561 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1562 printf(" (# is 0..16; min defaults to 0; the\n");
1563 printf(" default is -r 0; above 4 doesn't usually\n");
1564 printf(" help much)\n");
1565 printf("format options:\n");
1566 printf(" --endian={big|little} Set byte order for samples\n");
1567 printf(" --channels=# Number of channels\n");
1568 printf(" --bps=# Number of bits per sample\n");
1569 printf(" --sample-rate=# Sample rate in Hz\n");
1570 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1571 printf(" --input-size=# Size of the raw input in bytes. If you are\n");
1572 printf(" encoding raw samples from stdin, you must set\n");
1573 printf(" this option in order to be able to use --skip,\n");
1574 printf(" --until, --cue-sheet, or other options that need\n");
1575 printf(" to know the size of the input beforehand. If\n");
1576 printf(" the size given is greater than what is found in\n");
1577 printf(" the input stream, the encoder will complain\n");
1578 printf(" about an unexpected end-of-file. If the size\n");
1579 printf(" given is less, samples will be truncated.\n");
1580 printf(" --force-aiff-format Force the decoder to output AIFF format. This\n");
1581 printf(" option is not needed if the output filename (as\n");
1582 printf(" set by -o) ends with .aif or .aiff; this option\n");
1583 printf(" has no effect when encoding since input AIFF is\n");
1584 printf(" auto-detected.\n");
1585 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1586 printf(" decoding) to be treated as raw samples\n");
1587 printf("negative options:\n");
1588 printf(" --no-adaptive-mid-side\n");
1589 printf(" --no-decode-through-errors\n");
1590 printf(" --no-delete-input-file\n");
1591 printf(" --no-keep-foreign-metadata\n");
1592 printf(" --no-exhaustive-model-search\n");
1593 printf(" --no-lax\n");
1594 printf(" --no-mid-side\n");
1595 #if FLAC__HAS_OGG
1596 printf(" --no-ogg\n");
1597 #endif
1598 printf(" --no-padding\n");
1599 printf(" --no-qlp-coeff-prec-search\n");
1600 printf(" --no-residual-gnuplot\n");
1601 printf(" --no-residual-text\n");
1602 #if 0 /*@@@ currently undocumented */
1603 printf(" --no-ignore-chunk-sizes\n");
1604 #endif
1605 printf(" --no-sector-align\n");
1606 printf(" --no-seektable\n");
1607 printf(" --no-silent\n");
1608 printf(" --no-force\n");
1609 printf(" --no-verify\n");
1610 printf(" --no-warnings-as-errors\n");
1611 }
1612
format_mistake(const char * infilename,FileFormat wrong,FileFormat right)1613 void format_mistake(const char *infilename, FileFormat wrong, FileFormat right)
1614 {
1615 /* WATCHOUT: indexed by FileFormat */
1616 static const char * const ff[] = { "raw", "WAVE", "AIFF", "FLAC", "Ogg FLAC" };
1617 flac__utils_printf(stderr, 1, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, ff[wrong], ff[right]);
1618 }
1619
encode_file(const char * infilename,FLAC__bool is_first_file,FLAC__bool is_last_file)1620 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1621 {
1622 FILE *encode_infile;
1623 FLAC__byte lookahead[12];
1624 unsigned lookahead_length = 0;
1625 FileFormat input_format = RAW;
1626 FLAC__bool is_aifc = false;
1627 int retval;
1628 off_t infilesize;
1629 encode_options_t common_options;
1630 const char *outfilename = get_encoded_outfilename(infilename); /* the final name of the encoded file */
1631 /* internal_outfilename is the file we will actually write to; it will be a temporary name if infilename==outfilename */
1632 char *internal_outfilename = 0; /* NULL implies 'use outfilename' */
1633
1634 if(0 == outfilename) {
1635 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1636 return 1;
1637 }
1638
1639 if(0 == strcmp(infilename, "-")) {
1640 infilesize = (off_t)(-1);
1641 encode_infile = grabbag__file_get_binary_stdin();
1642 }
1643 else {
1644 infilesize = grabbag__file_get_filesize(infilename);
1645 if(0 == (encode_infile = fopen(infilename, "rb"))) {
1646 flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno));
1647 return 1;
1648 }
1649 }
1650
1651 if(!option_values.force_raw_format) {
1652 /* first set format based on name */
1653 if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".wav"))
1654 input_format = WAV;
1655 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".aif"))
1656 input_format = AIF;
1657 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".aiff"))
1658 input_format = AIF;
1659 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".flac"))
1660 input_format = FLAC;
1661 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".oga"))
1662 input_format = OGGFLAC;
1663 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
1664 input_format = OGGFLAC;
1665
1666 /* attempt to guess the file type based on the first 12 bytes */
1667 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1668 if(input_format != RAW) {
1669 format_mistake(infilename, input_format, RAW);
1670 if(option_values.treat_warnings_as_errors) {
1671 conditional_fclose(encode_infile);
1672 return 1;
1673 }
1674 }
1675 input_format = RAW;
1676 }
1677 else {
1678 if(!strncmp((const char *)lookahead, "ID3", 3)) {
1679 flac__utils_printf(stderr, 1, "ERROR: input file %s has an ID3v2 tag\n", infilename);
1680 return 1;
1681 }
1682 else if(!strncmp((const char *)lookahead, "RIFF", 4) && !strncmp((const char *)lookahead+8, "WAVE", 4))
1683 input_format = WAV;
1684 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFF", 4))
1685 input_format = AIF;
1686 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFC", 4)) {
1687 input_format = AIF;
1688 is_aifc = true;
1689 }
1690 else if(!memcmp(lookahead, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING)))
1691 input_format = FLAC;
1692 /* this could be made more accurate by looking at the first packet */
1693 else if(!memcmp(lookahead, "OggS", 4))
1694 input_format = OGGFLAC;
1695 else {
1696 if(input_format != RAW) {
1697 format_mistake(infilename, input_format, RAW);
1698 if(option_values.treat_warnings_as_errors) {
1699 conditional_fclose(encode_infile);
1700 return 1;
1701 }
1702 }
1703 input_format = RAW;
1704 }
1705 }
1706 }
1707
1708 if(option_values.keep_foreign_metadata) {
1709 if(encode_infile == stdin || option_values.force_to_stdout) {
1710 conditional_fclose(encode_infile);
1711 return usage_error("ERROR: --keep-foreign-metadata cannot be used when encoding from stdin or to stdout\n");
1712 }
1713 if(input_format != WAV && input_format != AIF) {
1714 conditional_fclose(encode_infile);
1715 return usage_error("ERROR: --keep-foreign-metadata can only be used with WAVE or AIFF input\n");
1716 }
1717 }
1718
1719 /*
1720 * Error if output file already exists (and -f not used).
1721 * Use grabbag__file_get_filesize() as a cheap way to check.
1722 */
1723 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1724 if(input_format == FLAC) {
1725 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1726 flac__utils_printf(stderr, 1,
1727 "ERROR: output file %s already exists.\n\n"
1728 "By default flac encodes files to FLAC format; if you meant to decode this file\n"
1729 "from FLAC to something else, use -d. If you meant to re-encode this file from\n"
1730 "FLAC to FLAC again, use -f to force writing to the same file, or -o to specify\n"
1731 "a different output filename.\n",
1732 outfilename
1733 );
1734 }
1735 else if(input_format == OGGFLAC) {
1736 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1737 flac__utils_printf(stderr, 1,
1738 "ERROR: output file %s already exists.\n\n"
1739 "By default 'flac -ogg' encodes files to Ogg FLAC format; if you meant to decode\n"
1740 "this file from Ogg FLAC to something else, use -d. If you meant to re-encode\n"
1741 "this file from Ogg FLAC to Ogg FLAC again, use -f to force writing to the same\n"
1742 "file, or -o to specify a different output filename.\n",
1743 outfilename
1744 );
1745 }
1746 else
1747 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1748 conditional_fclose(encode_infile);
1749 return 1;
1750 }
1751
1752 if(option_values.format_input_size >= 0) {
1753 if (input_format != RAW || infilesize >= 0) {
1754 flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n");
1755 conditional_fclose(encode_infile);
1756 return 1;
1757 }
1758 else {
1759 infilesize = option_values.format_input_size;
1760 }
1761 }
1762
1763 if(option_values.sector_align && (input_format == FLAC || input_format == OGGFLAC)) {
1764 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input file is FLAC or Ogg FLAC\n");
1765 conditional_fclose(encode_infile);
1766 return 1;
1767 }
1768 if(option_values.sector_align && input_format == RAW && infilesize < 0) {
1769 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input size is unknown\n");
1770 conditional_fclose(encode_infile);
1771 return 1;
1772 }
1773
1774 if(input_format == RAW) {
1775 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) {
1776 conditional_fclose(encode_infile);
1777 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1778 }
1779 }
1780
1781 if(/*@@@@@@why no stdin?*/encode_infile == stdin || option_values.force_to_stdout) {
1782 if(option_values.replay_gain) {
1783 conditional_fclose(encode_infile);
1784 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1785 }
1786 }
1787 if(option_values.replay_gain && option_values.use_ogg) {
1788 conditional_fclose(encode_infile);
1789 return usage_error("ERROR: --replay-gain cannot be used when encoding to Ogg FLAC yet\n");
1790 }
1791
1792 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative) {
1793 conditional_fclose(encode_infile);
1794 return usage_error("ERROR: invalid value for --skip\n");
1795 }
1796
1797 if(!flac__utils_parse_skip_until_specification(option_values.until_specification, &common_options.until_specification)) { /*@@@@ more checks: no + without --skip, no - unless known total_samples_to_{en,de}code */
1798 conditional_fclose(encode_infile);
1799 return usage_error("ERROR: invalid value for --until\n");
1800 }
1801 /* if there is no "--until" we want to default to "--until=-0" */
1802 if(0 == option_values.until_specification)
1803 common_options.until_specification.is_relative = true;
1804
1805 common_options.verify = option_values.verify;
1806 common_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors;
1807 #if FLAC__HAS_OGG
1808 common_options.use_ogg = option_values.use_ogg;
1809 /* set a random serial number if one has not yet been specified */
1810 if(!option_values.has_serial_number) {
1811 option_values.serial_number = rand();
1812 option_values.has_serial_number = true;
1813 }
1814 common_options.serial_number = option_values.serial_number++;
1815 #endif
1816 common_options.lax = option_values.lax;
1817 common_options.padding = option_values.padding;
1818 common_options.num_compression_settings = option_values.num_compression_settings;
1819 FLAC__ASSERT(sizeof(common_options.compression_settings) >= sizeof(option_values.compression_settings));
1820 memcpy(common_options.compression_settings, option_values.compression_settings, sizeof(option_values.compression_settings));
1821 common_options.requested_seek_points = option_values.requested_seek_points;
1822 common_options.num_requested_seek_points = option_values.num_requested_seek_points;
1823 common_options.cuesheet_filename = option_values.cuesheet_filename;
1824 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1825 common_options.cued_seekpoints = option_values.cued_seekpoints;
1826 common_options.channel_map_none = option_values.channel_map_none;
1827 common_options.is_first_file = is_first_file;
1828 common_options.is_last_file = is_last_file;
1829 common_options.align_reservoir = align_reservoir;
1830 common_options.align_reservoir_samples = &align_reservoir_samples;
1831 common_options.replay_gain = option_values.replay_gain;
1832 common_options.ignore_chunk_sizes = option_values.ignore_chunk_sizes;
1833 common_options.sector_align = option_values.sector_align;
1834 common_options.vorbis_comment = option_values.vorbis_comment;
1835 FLAC__ASSERT(sizeof(common_options.pictures) >= sizeof(option_values.pictures));
1836 memcpy(common_options.pictures, option_values.pictures, sizeof(option_values.pictures));
1837 common_options.num_pictures = option_values.num_pictures;
1838 common_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1839 common_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1840 common_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1841 common_options.debug.do_md5 = option_values.debug.do_md5;
1842
1843 /* if infilename and outfilename point to the same file, we need to write to a temporary file */
1844 if(encode_infile != stdin && grabbag__file_are_same(infilename, outfilename)) {
1845 static const char *tmp_suffix = ".tmp,fl-ac+en'c";
1846 /*@@@@ still a remote possibility that a file with this filename exists */
1847 if(0 == (internal_outfilename = (char *)safe_malloc_add_3op_(strlen(outfilename), /*+*/strlen(tmp_suffix), /*+*/1))) {
1848 flac__utils_printf(stderr, 1, "ERROR allocating memory for tempfile name\n");
1849 conditional_fclose(encode_infile);
1850 return 1;
1851 }
1852 strcpy(internal_outfilename, outfilename);
1853 strcat(internal_outfilename, tmp_suffix);
1854 }
1855
1856 if(input_format == RAW) {
1857 raw_encode_options_t options;
1858
1859 options.common = common_options;
1860 options.is_big_endian = option_values.format_is_big_endian;
1861 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1862 options.channels = option_values.format_channels;
1863 options.bps = option_values.format_bps;
1864 options.sample_rate = option_values.format_sample_rate;
1865
1866 retval = flac__encode_raw(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options);
1867 }
1868 else if(input_format == FLAC || input_format == OGGFLAC) {
1869 flac_encode_options_t options;
1870
1871 options.common = common_options;
1872
1873 retval = flac__encode_flac(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options, input_format==OGGFLAC);
1874 }
1875 else {
1876 wav_encode_options_t options;
1877
1878 options.common = common_options;
1879 options.foreign_metadata = 0;
1880
1881 /* read foreign metadata if requested */
1882 if(option_values.keep_foreign_metadata) {
1883 if(0 == (options.foreign_metadata = flac__foreign_metadata_new(input_format==AIF? FOREIGN_BLOCK_TYPE__AIFF : FOREIGN_BLOCK_TYPE__RIFF))) {
1884 flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n");
1885 conditional_fclose(encode_infile);
1886 return 1;
1887 }
1888 }
1889
1890 if(input_format == AIF)
1891 retval = flac__encode_aif(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options, is_aifc);
1892 else
1893 retval = flac__encode_wav(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options);
1894
1895 if(options.foreign_metadata)
1896 flac__foreign_metadata_delete(options.foreign_metadata);
1897 }
1898
1899 if(retval == 0) {
1900 if(strcmp(outfilename, "-")) {
1901 if(option_values.replay_gain) {
1902 float title_gain, title_peak;
1903 const char *error;
1904 grabbag__replaygain_get_title(&title_gain, &title_peak);
1905 if(
1906 0 != (error = grabbag__replaygain_store_to_file_reference(internal_outfilename? internal_outfilename : outfilename, /*preserve_modtime=*/true)) ||
1907 0 != (error = grabbag__replaygain_store_to_file_title(internal_outfilename? internal_outfilename : outfilename, title_gain, title_peak, /*preserve_modtime=*/true))
1908 ) {
1909 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain reference/title tags (%s)\n", outfilename, error);
1910 retval = 1;
1911 }
1912 }
1913 if(strcmp(infilename, "-"))
1914 grabbag__file_copy_metadata(infilename, internal_outfilename? internal_outfilename : outfilename);
1915 }
1916 }
1917
1918 /* rename temporary file if necessary */
1919 if(retval == 0 && internal_outfilename != 0) {
1920 if(rename(internal_outfilename, outfilename) < 0) {
1921 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
1922 /* on some flavors of windows, rename() will fail if the destination already exists, so we unlink and try again */
1923 if(unlink(outfilename) < 0) {
1924 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);
1925 retval = 1;
1926 }
1927 else if(rename(internal_outfilename, outfilename) < 0) {
1928 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);
1929 retval = 1;
1930 }
1931 #else
1932 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);
1933 retval = 1;
1934 #endif
1935 }
1936 }
1937
1938 /* handle --delete-input-file, but don't want to delete if piping from stdin, or if input filename and output filename are the same */
1939 if(retval == 0 && option_values.delete_input && strcmp(infilename, "-") && internal_outfilename == 0)
1940 unlink(infilename);
1941
1942 if(internal_outfilename != 0)
1943 free(internal_outfilename);
1944
1945 return retval;
1946 }
1947
decode_file(const char * infilename)1948 int decode_file(const char *infilename)
1949 {
1950 int retval;
1951 FLAC__bool treat_as_ogg = false;
1952 FileFormat output_format = WAV;
1953 decode_options_t common_options;
1954 const char *outfilename = get_decoded_outfilename(infilename);
1955
1956 if(0 == outfilename) {
1957 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1958 return 1;
1959 }
1960
1961 /*
1962 * Error if output file already exists (and -f not used).
1963 * Use grabbag__file_get_filesize() as a cheap way to check.
1964 */
1965 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1966 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1967 return 1;
1968 }
1969
1970 if(option_values.force_raw_format)
1971 output_format = RAW;
1972 else if(
1973 option_values.force_aiff_format ||
1974 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) ||
1975 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff"))
1976 )
1977 output_format = AIF;
1978 else
1979 output_format = WAV;
1980
1981 if(!option_values.test_only && !option_values.analyze) {
1982 if(output_format == RAW && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
1983 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
1984 }
1985
1986 if(option_values.keep_foreign_metadata) {
1987 if(0 == strcmp(infilename, "-") || 0 == strcmp(outfilename, "-"))
1988 return usage_error("ERROR: --keep-foreign-metadata cannot be used when decoding from stdin or to stdout\n");
1989 if(output_format != WAV && output_format != AIF)
1990 return usage_error("ERROR: --keep-foreign-metadata can only be used with WAVE or AIFF output\n");
1991 }
1992
1993 if(option_values.use_ogg)
1994 treat_as_ogg = true;
1995 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".oga"))
1996 treat_as_ogg = true;
1997 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
1998 treat_as_ogg = true;
1999 else
2000 treat_as_ogg = false;
2001
2002 #if !FLAC__HAS_OGG
2003 if(treat_as_ogg) {
2004 flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename);
2005 return 1;
2006 }
2007 #endif
2008
2009 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
2010 return usage_error("ERROR: invalid value for --skip\n");
2011
2012 if(!flac__utils_parse_skip_until_specification(option_values.until_specification, &common_options.until_specification)) /*@@@ more checks: no + without --skip, no - unless known total_samples_to_{en,de}code */
2013 return usage_error("ERROR: invalid value for --until\n");
2014 /* if there is no "--until" we want to default to "--until=-0" */
2015 if(0 == option_values.until_specification)
2016 common_options.until_specification.is_relative = true;
2017
2018 if(option_values.cue_specification) {
2019 if(!flac__utils_parse_cue_specification(option_values.cue_specification, &common_options.cue_specification))
2020 return usage_error("ERROR: invalid value for --cue\n");
2021 common_options.has_cue_specification = true;
2022 }
2023 else
2024 common_options.has_cue_specification = false;
2025
2026 common_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors;
2027 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
2028 common_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
2029 #if FLAC__HAS_OGG
2030 common_options.is_ogg = treat_as_ogg;
2031 common_options.use_first_serial_number = !option_values.has_serial_number;
2032 common_options.serial_number = option_values.serial_number;
2033 #endif
2034 common_options.channel_map_none = option_values.channel_map_none;
2035
2036 if(output_format == RAW) {
2037 raw_decode_options_t options;
2038
2039 options.common = common_options;
2040 options.is_big_endian = option_values.format_is_big_endian;
2041 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
2042
2043 retval = flac__decode_raw(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
2044 }
2045 else {
2046 wav_decode_options_t options;
2047
2048 options.common = common_options;
2049 options.foreign_metadata = 0;
2050
2051 /* read foreign metadata if requested */
2052 if(option_values.keep_foreign_metadata) {
2053 if(0 == (options.foreign_metadata = flac__foreign_metadata_new(output_format==AIF? FOREIGN_BLOCK_TYPE__AIFF : FOREIGN_BLOCK_TYPE__RIFF))) {
2054 flac__utils_printf(stderr, 1, "ERROR: creating foreign metadata object\n");
2055 return 1;
2056 }
2057 }
2058
2059 if(output_format == AIF)
2060 retval = flac__decode_aiff(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
2061 else
2062 retval = flac__decode_wav(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
2063
2064 if(options.foreign_metadata)
2065 flac__foreign_metadata_delete(options.foreign_metadata);
2066 }
2067
2068 if(retval == 0 && strcmp(infilename, "-")) {
2069 if(strcmp(outfilename, "-"))
2070 grabbag__file_copy_metadata(infilename, outfilename);
2071 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
2072 unlink(infilename);
2073 }
2074
2075 return retval;
2076 }
2077
get_encoded_outfilename(const char * infilename)2078 const char *get_encoded_outfilename(const char *infilename)
2079 {
2080 const char *suffix = (option_values.use_ogg? ".oga" : ".flac");
2081 return get_outfilename(infilename, suffix);
2082 }
2083
get_decoded_outfilename(const char * infilename)2084 const char *get_decoded_outfilename(const char *infilename)
2085 {
2086 const char *suffix;
2087 if(option_values.analyze) {
2088 suffix = ".ana";
2089 }
2090 else if(option_values.force_raw_format) {
2091 suffix = ".raw";
2092 }
2093 else if(option_values.force_aiff_format) {
2094 suffix = ".aiff";
2095 }
2096 else {
2097 suffix = ".wav";
2098 }
2099 return get_outfilename(infilename, suffix);
2100 }
2101
get_outfilename(const char * infilename,const char * suffix)2102 const char *get_outfilename(const char *infilename, const char *suffix)
2103 {
2104 if(0 == option_values.cmdline_forced_outfilename) {
2105 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
2106
2107 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
2108 strcpy(buffer, "-");
2109 }
2110 else {
2111 char *p;
2112 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
2113 return 0;
2114 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
2115 return 0;
2116 /* the . must come after any / to avoid problems with, e.g. "some.directory/extensionless-filename" */
2117 if(0 == (p = strrchr(buffer, '.')) || strchr(p, '/')) {
2118 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
2119 return 0;
2120 }
2121 else {
2122 *p = '\0';
2123 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
2124 return 0;
2125 }
2126 }
2127 return buffer;
2128 }
2129 else
2130 return option_values.cmdline_forced_outfilename;
2131 }
2132
die(const char * message)2133 void die(const char *message)
2134 {
2135 FLAC__ASSERT(0 != message);
2136 flac__utils_printf(stderr, 1, "ERROR: %s\n", message);
2137 exit(1);
2138 }
2139
conditional_fclose(FILE * f)2140 int conditional_fclose(FILE *f)
2141 {
2142 if(f == 0 || f == stdin || f == stdout)
2143 return 0;
2144 else
2145 return fclose(f);
2146 }
2147
local_strdup(const char * source)2148 char *local_strdup(const char *source)
2149 {
2150 char *ret;
2151 FLAC__ASSERT(0 != source);
2152 if(0 == (ret = strdup(source)))
2153 die("out of memory during strdup()");
2154 return ret;
2155 }
2156
2157 #ifdef _MSC_VER
2158 /* There's no strtoll() in MSVC6 so we just write a specialized one */
local__strtoll(const char * src,char ** endptr)2159 FLAC__int64 local__strtoll(const char *src, char **endptr)
2160 {
2161 FLAC__bool neg = false;
2162 FLAC__int64 ret = 0;
2163 int c;
2164 FLAC__ASSERT(0 != src);
2165 if(*src == '-') {
2166 neg = true;
2167 src++;
2168 }
2169 while(0 != (c = *src)) {
2170 c -= '0';
2171 if(c >= 0 && c <= 9)
2172 ret = (ret * 10) + c;
2173 else
2174 break;
2175 src++;
2176 }
2177 if(endptr)
2178 *endptr = (char*)src;
2179 return neg? -ret : ret;
2180 }
2181 #endif
2182