1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Josh Coalson
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
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.
32 #if !defined _MSC_VER && !defined __MINGW32__
33 /* unlink is in stdio.h in VC++ */
34 #include <unistd.h> /* for unlink() */
37 #include "share/grabbag.h"
41 #include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */
43 #include "vorbiscomment.h"
45 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
46 #define FLAC__STRCASECMP stricmp
48 #define FLAC__STRCASECMP strcasecmp
52 /*[JEC] was:#if HAVE_GETOPT_LONG*/
53 /*[JEC] see flac/include/share/getopt.h as to why the change */
56 # include "share/getopt.h"
59 typedef enum { RAW, WAV, AIF } FileFormat;
63 static FLAC__bool init_options();
64 static int parse_options(int argc, char *argv[]);
65 static int parse_option(int short_option, const char *long_option, const char *option_argument);
66 static void free_options();
68 static int usage_error(const char *message, ...);
69 static void short_usage();
70 static void show_version();
71 static void show_help();
72 static void show_explain();
73 static void format_mistake(const char *infilename, const char *wrong, const char *right);
75 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
76 static int decode_file(const char *infilename);
78 static const char *get_encoded_outfilename(const char *infilename);
79 static const char *get_decoded_outfilename(const char *infilename);
80 static const char *get_outfilename(const char *infilename, const char *suffix);
82 static void die(const char *message);
83 static char *local_strdup(const char *source);
87 * share__getopt format struct; note that for long options with no
88 * short option equivalent we just set the 'val' field to 0.
90 static struct share__option long_options_[] = {
94 { "help" , share__no_argument, 0, 'h' },
95 { "explain" , share__no_argument, 0, 'H' },
96 { "version" , share__no_argument, 0, 'v' },
97 { "decode" , share__no_argument, 0, 'd' },
98 { "analyze" , share__no_argument, 0, 'a' },
99 { "test" , share__no_argument, 0, 't' },
100 { "stdout" , share__no_argument, 0, 'c' },
101 { "silent" , share__no_argument, 0, 's' },
102 { "totally-silent" , share__no_argument, 0, 0 },
103 { "force" , share__no_argument, 0, 'f' },
104 { "delete-input-file", share__no_argument, 0, 0 },
105 { "output-prefix" , share__required_argument, 0, 0 },
106 { "output-name" , share__required_argument, 0, 'o' },
107 { "skip" , share__required_argument, 0, 0 },
108 { "until" , share__required_argument, 0, 0 },
113 { "decode-through-errors", share__no_argument, 0, 'F' },
114 { "cue" , share__required_argument, 0, 0 },
115 { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */
120 { "cuesheet" , share__required_argument, 0, 0 },
121 { "no-cued-seekpoints" , share__no_argument, 0, 0 },
122 { "tag" , share__required_argument, 0, 'T' },
123 { "tag-from-file" , share__required_argument, 0, 0 },
124 { "compression-level-0" , share__no_argument, 0, '0' },
125 { "compression-level-1" , share__no_argument, 0, '1' },
126 { "compression-level-2" , share__no_argument, 0, '2' },
127 { "compression-level-3" , share__no_argument, 0, '3' },
128 { "compression-level-4" , share__no_argument, 0, '4' },
129 { "compression-level-5" , share__no_argument, 0, '5' },
130 { "compression-level-6" , share__no_argument, 0, '6' },
131 { "compression-level-7" , share__no_argument, 0, '7' },
132 { "compression-level-8" , share__no_argument, 0, '8' },
133 { "compression-level-9" , share__no_argument, 0, '9' },
134 { "best" , share__no_argument, 0, '8' },
135 { "fast" , share__no_argument, 0, '0' },
136 { "super-secret-totally-impractical-compression-level", share__no_argument, 0, 0 },
137 { "verify" , share__no_argument, 0, 'V' },
138 { "force-aiff-format" , share__no_argument, 0, 0 },
139 { "force-raw-format" , share__no_argument, 0, 0 },
140 { "lax" , share__no_argument, 0, 0 },
141 { "replay-gain" , share__no_argument, 0, 0 },
142 { "sector-align" , share__no_argument, 0, 0 },
143 { "seekpoint" , share__required_argument, 0, 'S' },
144 { "padding" , share__required_argument, 0, 'P' },
146 { "ogg" , share__no_argument, 0, 0 },
147 { "serial-number" , share__required_argument, 0, 0 },
149 { "blocksize" , share__required_argument, 0, 'b' },
150 { "exhaustive-model-search" , share__no_argument, 0, 'e' },
151 { "max-lpc-order" , share__required_argument, 0, 'l' },
152 { "apodization" , share__required_argument, 0, 'A' },
153 { "mid-side" , share__no_argument, 0, 'm' },
154 { "adaptive-mid-side" , share__no_argument, 0, 'M' },
155 { "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
156 { "qlp-coeff-precision" , share__required_argument, 0, 'q' },
157 { "rice-partition-order" , share__required_argument, 0, 'r' },
158 { "endian" , share__required_argument, 0, 0 },
159 { "channels" , share__required_argument, 0, 0 },
160 { "bps" , share__required_argument, 0, 0 },
161 { "sample-rate" , share__required_argument, 0, 0 },
162 { "sign" , share__required_argument, 0, 0 },
163 { "input-size" , share__required_argument, 0, 0 },
168 { "residual-gnuplot", share__no_argument, 0, 0 },
169 { "residual-text", share__no_argument, 0, 0 },
174 { "no-decode-through-errors" , share__no_argument, 0, 0 },
175 { "no-silent" , share__no_argument, 0, 0 },
176 { "no-force" , share__no_argument, 0, 0 },
177 { "no-seektable" , share__no_argument, 0, 0 },
178 { "no-delete-input-file" , share__no_argument, 0, 0 },
179 { "no-replay-gain" , share__no_argument, 0, 0 },
180 { "no-sector-align" , share__no_argument, 0, 0 },
181 { "no-lax" , share__no_argument, 0, 0 },
183 { "no-ogg" , share__no_argument, 0, 0 },
185 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
186 { "no-mid-side" , share__no_argument, 0, 0 },
187 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
188 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
189 { "no-padding" , share__no_argument, 0, 0 },
190 { "no-verify" , share__no_argument, 0, 0 },
191 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
192 { "no-residual-text" , share__no_argument, 0, 0 },
194 * undocumented debugging options for the test suite
196 { "disable-constant-subframes", share__no_argument, 0, 0 },
197 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
198 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
205 * global to hold command-line option values
209 FLAC__bool show_help;
210 FLAC__bool show_explain;
211 FLAC__bool show_version;
212 FLAC__bool mode_decode;
214 FLAC__bool force_file_overwrite;
215 FLAC__bool continue_through_decode_errors;
216 replaygain_synthesis_spec_t replaygain_synthesis_spec;
218 FLAC__bool test_only;
221 FLAC__bool has_serial_number; /* true iff --serial-number was used */
222 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
223 FLAC__bool do_mid_side;
224 FLAC__bool loose_mid_side;
225 FLAC__bool do_exhaustive_model_search;
226 FLAC__bool do_escape_coding;
227 FLAC__bool do_qlp_coeff_prec_search;
228 FLAC__bool force_to_stdout;
229 FLAC__bool force_aiff_format;
230 FLAC__bool force_raw_format;
231 FLAC__bool delete_input;
232 FLAC__bool replay_gain;
233 FLAC__bool sector_align;
234 const char *cmdline_forced_outfilename;
235 const char *output_prefix;
236 analysis_options aopts;
238 char apodizations[1000]; /* bad MAGIC NUMBER but buffer overflow is checked */
239 unsigned max_lpc_order;
240 unsigned qlp_coeff_precision;
241 const char *skip_specification;
242 const char *until_specification;
243 const char *cue_specification;
244 int format_is_big_endian;
245 int format_is_unsigned_samples;
248 int format_sample_rate;
249 off_t format_input_size;
251 int min_residual_partition_order;
252 int max_residual_partition_order;
253 int rice_parameter_search_dist;
254 char requested_seek_points[5000]; /* bad MAGIC NUMBER but buffer overflow is checked */
255 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
256 const char *cuesheet_filename;
257 FLAC__bool cued_seekpoints;
262 FLAC__StreamMetadata *vorbis_comment;
265 FLAC__bool disable_constant_subframes;
266 FLAC__bool disable_fixed_subframes;
267 FLAC__bool disable_verbatim_subframes;
273 * miscellaneous globals
276 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */
277 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
278 static unsigned align_reservoir_samples = 0; /* 0 .. 587 */
281 int main(int argc, char *argv[])
286 _response(&argc, &argv);
287 _wildcard(&argc, &argv);
290 setlocale(LC_ALL, "");
291 if(!init_options()) {
292 flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
296 if((retval = parse_options(argc, argv)) == 0)
309 if(option_values.show_version) {
313 else if(option_values.show_explain) {
317 else if(option_values.show_help) {
322 if(option_values.num_files == 0) {
323 if(flac__utils_verbosity_ >= 1)
329 * tweak options; validate the values
331 if(!option_values.mode_decode) {
332 if(option_values.blocksize < 0) {
333 if(option_values.max_lpc_order == 0)
334 option_values.blocksize = 1152;
336 option_values.blocksize = 4608;
338 if(option_values.max_residual_partition_order < 0) {
339 if(option_values.blocksize <= 1152)
340 option_values.max_residual_partition_order = 2;
341 else if(option_values.blocksize <= 2304)
342 option_values.max_residual_partition_order = 3;
343 else if(option_values.blocksize <= 4608)
344 option_values.max_residual_partition_order = 3;
346 option_values.max_residual_partition_order = 4;
347 option_values.min_residual_partition_order = option_values.max_residual_partition_order;
349 if(option_values.rice_parameter_search_dist < 0) {
350 option_values.rice_parameter_search_dist = 0;
352 if(0 != option_values.cue_specification)
353 return usage_error("ERROR: --cue is not allowed in test mode\n");
356 if(option_values.test_only) {
357 if(0 != option_values.skip_specification)
358 return usage_error("ERROR: --skip is not allowed in test mode\n");
359 if(0 != option_values.until_specification)
360 return usage_error("ERROR: --until is not allowed in test mode\n");
361 if(0 != option_values.cue_specification)
362 return usage_error("ERROR: --cue is not allowed in test mode\n");
363 if(0 != option_values.analyze)
364 return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n");
368 if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification))
369 return usage_error("ERROR: --cue may not be combined with --skip or --until\n");
371 FLAC__ASSERT(option_values.blocksize >= 0 || option_values.mode_decode);
373 if(option_values.format_channels >= 0) {
374 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
375 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
377 if(option_values.format_bps >= 0) {
378 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
379 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
381 if(option_values.format_sample_rate >= 0) {
382 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
383 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
385 if(option_values.force_raw_format && option_values.force_aiff_format)
386 return usage_error("ERROR: only one of --force-raw-format and --force-aiff-format allowed\n");
387 if(option_values.mode_decode) {
388 if(!option_values.force_raw_format) {
389 if(option_values.format_is_big_endian >= 0)
390 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
391 if(option_values.format_is_unsigned_samples >= 0)
392 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
394 if(option_values.format_channels >= 0)
395 return usage_error("ERROR: --channels not allowed with --decode\n");
396 if(option_values.format_bps >= 0)
397 return usage_error("ERROR: --bps not allowed with --decode\n");
398 if(option_values.format_sample_rate >= 0)
399 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
401 if(!option_values.mode_decode && ((unsigned)option_values.blocksize < FLAC__MIN_BLOCK_SIZE || (unsigned)option_values.blocksize > FLAC__MAX_BLOCK_SIZE)) {
402 return usage_error("ERROR: invalid blocksize '%u', must be >= %u and <= %u\n", (unsigned)option_values.blocksize, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE);
404 if(option_values.qlp_coeff_precision > 0 && option_values.qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION) {
405 return usage_error("ERROR: invalid value '%u' for qlp coeff precision, must be 0 or >= %u\n", option_values.qlp_coeff_precision, FLAC__MIN_QLP_COEFF_PRECISION);
408 if(option_values.sector_align) {
409 if(option_values.mode_decode)
410 return usage_error("ERROR: --sector-align only allowed for encoding\n");
411 if(0 != option_values.skip_specification)
412 return usage_error("ERROR: --sector-align not allowed with --skip\n");
413 if(0 != option_values.until_specification)
414 return usage_error("ERROR: --sector-align not allowed with --until\n");
415 if(0 != option_values.cue_specification)
416 return usage_error("ERROR: --sector-align not allowed with --cue\n");
417 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
418 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
419 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
420 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
421 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
422 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
424 if(option_values.replay_gain) {
425 if(option_values.force_to_stdout)
426 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
427 if(option_values.mode_decode)
428 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
429 if(option_values.format_channels > 2)
430 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
431 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
432 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
434 * We want to reserve padding space for the ReplayGain
435 * tags that we will set later, to avoid rewriting the
438 if(option_values.padding < 0) {
439 flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
440 option_values.padding = GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
443 option_values.padding += GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
446 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
447 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
449 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
450 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
452 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
453 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
457 flac__utils_printf(stderr, 2, "\n");
458 flac__utils_printf(stderr, 2, "flac %s, Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Josh Coalson\n", FLAC__VERSION_STRING);
459 flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
460 flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
462 if(!option_values.mode_decode) {
464 if(option_values.padding < 0)
467 sprintf(padopt, " %d", option_values.padding);
468 flac__utils_printf(stderr, 2,
469 "options:%s%s%s%s -P%s -b %u%s -l %u%s%s%s -q %u -r %u,%u%s\n",
470 option_values.delete_input?" --delete-input-file":"",
471 option_values.sector_align?" --sector-align":"",
472 option_values.use_ogg?" --ogg":"",
473 option_values.lax?" --lax":"",
475 (unsigned)option_values.blocksize,
476 option_values.loose_mid_side?" -M":option_values.do_mid_side?" -m":"",
477 option_values.max_lpc_order,
478 option_values.do_exhaustive_model_search?" -e":"",
479 option_values.do_escape_coding?" -E":"",
480 option_values.do_qlp_coeff_prec_search?" -p":"",
481 option_values.qlp_coeff_precision,
482 (unsigned)option_values.min_residual_partition_order,
483 (unsigned)option_values.max_residual_partition_order,
484 option_values.verify? " -V":""
488 if(option_values.mode_decode) {
489 FLAC__bool first = true;
491 if(option_values.num_files == 0) {
492 retval = decode_file("-");
496 if(option_values.num_files > 1)
497 option_values.cmdline_forced_outfilename = 0;
498 for(i = 0, retval = 0; i < option_values.num_files; i++) {
499 if(0 == strcmp(option_values.filenames[i], "-") && !first)
501 retval |= decode_file(option_values.filenames[i]);
507 FLAC__bool first = true;
509 if(option_values.num_files == 0) {
510 retval = encode_file("-", first, true);
514 if(option_values.num_files > 1)
515 option_values.cmdline_forced_outfilename = 0;
516 for(i = 0, retval = 0; i < option_values.num_files; i++) {
517 if(0 == strcmp(option_values.filenames[i], "-") && !first)
519 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
522 if(option_values.replay_gain && retval == 0) {
523 float album_gain, album_peak;
524 grabbag__replaygain_get_album(&album_gain, &album_peak);
525 for(i = 0; i < option_values.num_files; i++) {
526 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
527 if(0 == outfilename) {
528 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]);
531 if(0 == strcmp(option_values.filenames[i], "-")) {
533 /* double protection */
534 flac__utils_printf(stderr, 1, "internal error\n");
537 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, /*preserve_modtime=*/true))) {
538 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags\n", outfilename);
549 FLAC__bool init_options()
551 option_values.show_help = false;
552 option_values.show_explain = false;
553 option_values.mode_decode = false;
554 option_values.verify = false;
555 option_values.force_file_overwrite = false;
556 option_values.continue_through_decode_errors = false;
557 option_values.replaygain_synthesis_spec.apply = false;
558 option_values.replaygain_synthesis_spec.use_album_gain = true;
559 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
560 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
561 option_values.replaygain_synthesis_spec.preamp = 0.0;
562 option_values.lax = false;
563 option_values.test_only = false;
564 option_values.analyze = false;
565 option_values.use_ogg = false;
566 option_values.has_serial_number = false;
567 option_values.serial_number = 0;
568 option_values.do_mid_side = true;
569 option_values.loose_mid_side = false;
570 option_values.do_exhaustive_model_search = false;
571 option_values.do_escape_coding = false;
572 option_values.do_qlp_coeff_prec_search = false;
573 option_values.force_to_stdout = false;
574 option_values.force_aiff_format = false;
575 option_values.force_raw_format = false;
576 option_values.delete_input = false;
577 option_values.replay_gain = false;
578 option_values.sector_align = false;
579 option_values.cmdline_forced_outfilename = 0;
580 option_values.output_prefix = 0;
581 option_values.aopts.do_residual_text = false;
582 option_values.aopts.do_residual_gnuplot = false;
583 option_values.padding = 4096;
584 option_values.apodizations[0] = '\0';
585 option_values.max_lpc_order = 8;
586 option_values.qlp_coeff_precision = 0;
587 option_values.skip_specification = 0;
588 option_values.until_specification = 0;
589 option_values.cue_specification = 0;
590 option_values.format_is_big_endian = -1;
591 option_values.format_is_unsigned_samples = -1;
592 option_values.format_channels = -1;
593 option_values.format_bps = -1;
594 option_values.format_sample_rate = -1;
595 option_values.format_input_size = (off_t)(-1);
596 option_values.blocksize = -1;
597 option_values.min_residual_partition_order = -1;
598 option_values.max_residual_partition_order = -1;
599 option_values.rice_parameter_search_dist = -1;
600 option_values.requested_seek_points[0] = '\0';
601 option_values.num_requested_seek_points = -1;
602 option_values.cuesheet_filename = 0;
603 option_values.cued_seekpoints = true;
605 option_values.num_files = 0;
606 option_values.filenames = 0;
608 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
611 option_values.debug.disable_constant_subframes = false;
612 option_values.debug.disable_fixed_subframes = false;
613 option_values.debug.disable_verbatim_subframes = false;
618 int parse_options(int argc, char *argv[])
621 int option_index = 1;
622 FLAC__bool had_error = false;
623 const char *short_opts = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vV";
625 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
626 switch (short_option) {
627 case 0: /* long option with no equivalent short option */
628 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
634 default: /* short option */
635 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
644 FLAC__ASSERT(share__optind <= argc);
646 option_values.num_files = argc - share__optind;
648 if(option_values.num_files > 0) {
650 if(0 == (option_values.filenames = (char**)malloc(sizeof(char*) * option_values.num_files)))
651 die("out of memory allocating space for file names list");
652 while(share__optind < argc)
653 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
659 int parse_option(int short_option, const char *long_option, const char *option_argument)
661 const char *violation;
664 if(short_option == 0) {
665 FLAC__ASSERT(0 != long_option);
666 if(0 == strcmp(long_option, "totally-silent")) {
667 flac__utils_verbosity_ = 0;
669 else if(0 == strcmp(long_option, "delete-input-file")) {
670 option_values.delete_input = true;
672 else if(0 == strcmp(long_option, "output-prefix")) {
673 FLAC__ASSERT(0 != option_argument);
674 option_values.output_prefix = option_argument;
676 else if(0 == strcmp(long_option, "skip")) {
677 FLAC__ASSERT(0 != option_argument);
678 option_values.skip_specification = option_argument;
680 else if(0 == strcmp(long_option, "until")) {
681 FLAC__ASSERT(0 != option_argument);
682 option_values.until_specification = option_argument;
684 else if(0 == strcmp(long_option, "input-size")) {
685 FLAC__ASSERT(0 != option_argument);
690 i = strtol(option_argument, &end, 10); /* [2G limit] */
693 i = strtoll(option_argument, &end, 10);
695 if(0 == strlen(option_argument) || *end)
696 return usage_error("ERROR: --%s must be a number\n", long_option);
697 option_values.format_input_size = (off_t)i;
698 if(option_values.format_input_size != i) /* check if off_t is smaller than long long */
699 return usage_error("ERROR: --%s too large; this flac does not support filesizes over 2GB\n", long_option);
700 if(option_values.format_input_size <= 0)
701 return usage_error("ERROR: --%s must be > 0\n", long_option);
704 else if(0 == strcmp(long_option, "cue")) {
705 FLAC__ASSERT(0 != option_argument);
706 option_values.cue_specification = option_argument;
708 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
709 option_values.replaygain_synthesis_spec.apply = true;
710 if (0 != option_argument) {
712 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
713 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
714 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
717 option_values.replaygain_synthesis_spec.use_album_gain = true;
719 option_values.replaygain_synthesis_spec.use_album_gain = false;
721 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
723 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
724 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
725 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
729 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
733 else if(0 == strcmp(long_option, "cuesheet")) {
734 FLAC__ASSERT(0 != option_argument);
735 option_values.cuesheet_filename = option_argument;
737 else if(0 == strcmp(long_option, "tag-from-file")) {
738 FLAC__ASSERT(0 != option_argument);
739 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, &violation))
740 return usage_error("ERROR: (--tag-from-file) %s\n", violation);
742 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
743 option_values.cued_seekpoints = false;
745 else if(0 == strcmp(long_option, "super-secret-totally-impractical-compression-level")) {
746 option_values.lax = true;
747 option_values.do_exhaustive_model_search = true;
748 option_values.do_escape_coding = true;
749 option_values.do_mid_side = true;
750 option_values.loose_mid_side = false;
751 option_values.do_qlp_coeff_prec_search = true;
752 option_values.min_residual_partition_order = 0;
753 option_values.max_residual_partition_order = 16;
754 option_values.rice_parameter_search_dist = 0;
755 option_values.max_lpc_order = 32;
757 else if(0 == strcmp(long_option, "force-aiff-format")) {
758 option_values.force_aiff_format = true;
760 else if(0 == strcmp(long_option, "force-raw-format")) {
761 option_values.force_raw_format = true;
763 else if(0 == strcmp(long_option, "lax")) {
764 option_values.lax = true;
766 else if(0 == strcmp(long_option, "replay-gain")) {
767 option_values.replay_gain = true;
769 else if(0 == strcmp(long_option, "sector-align")) {
770 option_values.sector_align = true;
773 else if(0 == strcmp(long_option, "ogg")) {
774 option_values.use_ogg = true;
776 else if(0 == strcmp(long_option, "serial-number")) {
777 option_values.has_serial_number = true;
778 option_values.serial_number = atol(option_argument);
781 else if(0 == strcmp(long_option, "endian")) {
782 FLAC__ASSERT(0 != option_argument);
783 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
784 option_values.format_is_big_endian = true;
785 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
786 option_values.format_is_big_endian = false;
788 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
790 else if(0 == strcmp(long_option, "channels")) {
791 FLAC__ASSERT(0 != option_argument);
792 option_values.format_channels = atoi(option_argument);
794 else if(0 == strcmp(long_option, "bps")) {
795 FLAC__ASSERT(0 != option_argument);
796 option_values.format_bps = atoi(option_argument);
798 else if(0 == strcmp(long_option, "sample-rate")) {
799 FLAC__ASSERT(0 != option_argument);
800 option_values.format_sample_rate = atoi(option_argument);
802 else if(0 == strcmp(long_option, "sign")) {
803 FLAC__ASSERT(0 != option_argument);
804 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
805 option_values.format_is_unsigned_samples = false;
806 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
807 option_values.format_is_unsigned_samples = true;
809 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
811 else if(0 == strcmp(long_option, "residual-gnuplot")) {
812 option_values.aopts.do_residual_gnuplot = true;
814 else if(0 == strcmp(long_option, "residual-text")) {
815 option_values.aopts.do_residual_text = true;
820 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
821 option_values.continue_through_decode_errors = false;
823 else if(0 == strcmp(long_option, "no-silent")) {
824 flac__utils_verbosity_ = 2;
826 else if(0 == strcmp(long_option, "no-force")) {
827 option_values.force_file_overwrite = false;
829 else if(0 == strcmp(long_option, "no-seektable")) {
830 option_values.num_requested_seek_points = 0;
831 option_values.requested_seek_points[0] = '\0';
833 else if(0 == strcmp(long_option, "no-delete-input-file")) {
834 option_values.delete_input = false;
836 else if(0 == strcmp(long_option, "no-replay-gain")) {
837 option_values.replay_gain = false;
839 else if(0 == strcmp(long_option, "no-sector-align")) {
840 option_values.sector_align = false;
842 else if(0 == strcmp(long_option, "no-lax")) {
843 option_values.lax = false;
846 else if(0 == strcmp(long_option, "no-ogg")) {
847 option_values.use_ogg = false;
850 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
851 option_values.do_exhaustive_model_search = false;
853 else if(0 == strcmp(long_option, "no-mid-side")) {
854 option_values.do_mid_side = option_values.loose_mid_side = false;
856 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
857 option_values.loose_mid_side = option_values.do_mid_side = false;
859 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
860 option_values.do_qlp_coeff_prec_search = false;
862 else if(0 == strcmp(long_option, "no-padding")) {
863 option_values.padding = -1;
865 else if(0 == strcmp(long_option, "no-verify")) {
866 option_values.verify = false;
868 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
869 option_values.aopts.do_residual_gnuplot = false;
871 else if(0 == strcmp(long_option, "no-residual-text")) {
872 option_values.aopts.do_residual_text = false;
874 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
875 option_values.debug.disable_constant_subframes = true;
877 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
878 option_values.debug.disable_fixed_subframes = true;
880 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
881 option_values.debug.disable_verbatim_subframes = true;
885 switch(short_option) {
887 option_values.show_help = true;
890 option_values.show_explain = true;
893 option_values.show_version = true;
896 option_values.mode_decode = true;
899 option_values.mode_decode = true;
900 option_values.analyze = true;
903 option_values.mode_decode = true;
904 option_values.test_only = true;
907 option_values.force_to_stdout = true;
910 flac__utils_verbosity_ = 1;
913 option_values.force_file_overwrite = true;
916 FLAC__ASSERT(0 != option_argument);
917 option_values.cmdline_forced_outfilename = option_argument;
920 option_values.continue_through_decode_errors = true;
923 FLAC__ASSERT(0 != option_argument);
924 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/false, &violation))
925 return usage_error("ERROR: (-T/--tag) %s\n", violation);
928 option_values.do_exhaustive_model_search = false;
929 option_values.do_escape_coding = false;
930 option_values.do_mid_side = false;
931 option_values.loose_mid_side = false;
932 option_values.qlp_coeff_precision = 0;
933 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
934 option_values.rice_parameter_search_dist = 0;
935 option_values.max_lpc_order = 0;
938 option_values.do_exhaustive_model_search = false;
939 option_values.do_escape_coding = false;
940 option_values.do_mid_side = true;
941 option_values.loose_mid_side = true;
942 option_values.qlp_coeff_precision = 0;
943 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
944 option_values.rice_parameter_search_dist = 0;
945 option_values.max_lpc_order = 0;
948 option_values.do_exhaustive_model_search = false;
949 option_values.do_escape_coding = false;
950 option_values.do_mid_side = true;
951 option_values.loose_mid_side = false;
952 option_values.qlp_coeff_precision = 0;
953 option_values.min_residual_partition_order = 0;
954 option_values.max_residual_partition_order = 3;
955 option_values.rice_parameter_search_dist = 0;
956 option_values.max_lpc_order = 0;
959 option_values.do_exhaustive_model_search = false;
960 option_values.do_escape_coding = false;
961 option_values.do_mid_side = false;
962 option_values.loose_mid_side = false;
963 option_values.qlp_coeff_precision = 0;
964 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
965 option_values.rice_parameter_search_dist = 0;
966 option_values.max_lpc_order = 6;
969 option_values.do_exhaustive_model_search = false;
970 option_values.do_escape_coding = false;
971 option_values.do_mid_side = true;
972 option_values.loose_mid_side = true;
973 option_values.qlp_coeff_precision = 0;
974 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
975 option_values.rice_parameter_search_dist = 0;
976 option_values.max_lpc_order = 8;
979 option_values.do_exhaustive_model_search = false;
980 option_values.do_escape_coding = false;
981 option_values.do_mid_side = true;
982 option_values.loose_mid_side = false;
983 option_values.qlp_coeff_precision = 0;
984 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
985 option_values.rice_parameter_search_dist = 0;
986 option_values.max_lpc_order = 8;
989 option_values.do_exhaustive_model_search = false;
990 option_values.do_escape_coding = false;
991 option_values.do_mid_side = true;
992 option_values.loose_mid_side = false;
993 option_values.qlp_coeff_precision = 0;
994 option_values.min_residual_partition_order = 0;
995 option_values.max_residual_partition_order = 4;
996 option_values.rice_parameter_search_dist = 0;
997 option_values.max_lpc_order = 8;
1000 option_values.do_exhaustive_model_search = true;
1001 option_values.do_escape_coding = false;
1002 option_values.do_mid_side = true;
1003 option_values.loose_mid_side = false;
1004 option_values.qlp_coeff_precision = 0;
1005 option_values.min_residual_partition_order = 0;
1006 option_values.max_residual_partition_order = 6;
1007 option_values.rice_parameter_search_dist = 0;
1008 option_values.max_lpc_order = 8;
1011 option_values.do_exhaustive_model_search = true;
1012 option_values.do_escape_coding = false;
1013 option_values.do_mid_side = true;
1014 option_values.loose_mid_side = false;
1015 option_values.qlp_coeff_precision = 0;
1016 option_values.min_residual_partition_order = 0;
1017 option_values.max_residual_partition_order = 6;
1018 option_values.rice_parameter_search_dist = 0;
1019 option_values.max_lpc_order = 12;
1022 return usage_error("ERROR: compression level '9' is reserved\n");
1024 option_values.verify = true;
1027 FLAC__ASSERT(0 != option_argument);
1028 if(option_values.num_requested_seek_points < 0)
1029 option_values.num_requested_seek_points = 0;
1030 option_values.num_requested_seek_points++;
1031 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
1032 return usage_error("ERROR: too many seekpoints requested\n");
1035 strcat(option_values.requested_seek_points, option_argument);
1036 strcat(option_values.requested_seek_points, ";");
1040 FLAC__ASSERT(0 != option_argument);
1041 option_values.padding = atoi(option_argument);
1042 if(option_values.padding < 0)
1043 return usage_error("ERROR: argument to -P must be >= 0\n");
1046 FLAC__ASSERT(0 != option_argument);
1047 option_values.blocksize = atoi(option_argument);
1050 option_values.do_exhaustive_model_search = true;
1053 option_values.do_escape_coding = true;
1056 FLAC__ASSERT(0 != option_argument);
1057 option_values.max_lpc_order = atoi(option_argument);
1060 FLAC__ASSERT(0 != option_argument);
1061 if(strlen(option_values.apodizations)+strlen(option_argument)+2 >= sizeof(option_values.apodizations)) {
1062 return usage_error("ERROR: too many apodization functions requested\n");
1065 strcat(option_values.apodizations, option_argument);
1066 strcat(option_values.apodizations, ";");
1070 option_values.do_mid_side = true;
1071 option_values.loose_mid_side = false;
1074 option_values.loose_mid_side = option_values.do_mid_side = true;
1077 option_values.do_qlp_coeff_prec_search = true;
1080 FLAC__ASSERT(0 != option_argument);
1081 option_values.qlp_coeff_precision = atoi(option_argument);
1084 FLAC__ASSERT(0 != option_argument);
1085 p = strchr(option_argument, ',');
1087 option_values.min_residual_partition_order = 0;
1088 option_values.max_residual_partition_order = atoi(option_argument);
1091 option_values.min_residual_partition_order = atoi(option_argument);
1092 option_values.max_residual_partition_order = atoi(++p);
1096 FLAC__ASSERT(0 != option_argument);
1097 option_values.rice_parameter_search_dist = atoi(option_argument);
1110 if(0 != option_values.filenames) {
1111 for(i = 0; i < option_values.num_files; i++) {
1112 if(0 != option_values.filenames[i])
1113 free(option_values.filenames[i]);
1115 free(option_values.filenames);
1117 if(0 != option_values.vorbis_comment)
1118 FLAC__metadata_object_delete(option_values.vorbis_comment);
1121 int usage_error(const char *message, ...)
1123 if(flac__utils_verbosity_ >= 1) {
1126 FLAC__ASSERT(0 != message);
1128 va_start(args, message);
1130 (void) vfprintf(stderr, message, args);
1134 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1142 printf("flac %s\n", FLAC__VERSION_STRING);
1145 static void usage_header()
1147 printf("===============================================================================\n");
1148 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1149 printf("Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Josh Coalson\n");
1151 printf("This program is free software; you can redistribute it and/or\n");
1152 printf("modify it under the terms of the GNU General Public License\n");
1153 printf("as published by the Free Software Foundation; either version 2\n");
1154 printf("of the License, or (at your option) any later version.\n");
1156 printf("This program is distributed in the hope that it will be useful,\n");
1157 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1158 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1159 printf("GNU General Public License for more details.\n");
1161 printf("You should have received a copy of the GNU General Public License\n");
1162 printf("along with this program; if not, write to the Free Software\n");
1163 printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
1164 printf("===============================================================================\n");
1167 static void usage_summary()
1171 printf(" Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]\n");
1172 printf(" Decoding: flac -d [<general-options>] [<format-options>] [FLACFILE [...]]\n");
1173 printf(" Testing: flac -t [<general-options>] [FLACFILE [...]]\n");
1174 printf("Analyzing: flac -a [<general-options>] [<analysis-options>] [FLACFILE [...]]\n");
1182 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1183 printf("instructions use 'flac --explain'\n");
1185 printf("To encode:\n");
1186 printf(" flac [-#] [INPUTFILE [...]]\n");
1188 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1190 printf("To decode:\n");
1191 printf(" flac -d [INPUTFILE [...]]\n");
1193 printf("To test:\n");
1194 printf(" flac -t [INPUTFILE [...]]\n");
1201 printf("general options:\n");
1202 printf(" -v, --version Show the flac version number\n");
1203 printf(" -h, --help Show this screen\n");
1204 printf(" -H, --explain Show detailed explanation of usage and options\n");
1205 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1206 printf(" -t, --test Same as -d except no decoded file is written\n");
1207 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1208 printf(" -c, --stdout Write output to stdout\n");
1209 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1210 printf(" --totally-silent Do not print anything, including errors\n");
1211 printf(" -f, --force Force overwriting of output files\n");
1212 printf(" -o, --output-name=FILENAME Force the output file name\n");
1213 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1214 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1215 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1216 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1217 #ifdef FLAC__HAS_OGG
1218 printf(" --ogg Use Ogg as transport layer\n");
1219 printf(" --serial-number Serial number to use for the FLAC stream\n");
1221 printf("analysis options:\n");
1222 printf(" --residual-text Include residual signal in text output\n");
1223 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1224 printf("decoding options:\n");
1225 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1226 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n");
1227 printf("encoding options:\n");
1228 printf(" -V, --verify Verify a correct encoding\n");
1229 printf(" --lax Allow encoder to generate non-Subset files\n");
1230 printf(" --sector-align Align multiple files on sector boundaries\n");
1231 printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n");
1232 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1233 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n");
1234 printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\n");
1235 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1236 printf(" -P, --padding=# Write a PADDING block of length #\n");
1237 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1238 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1239 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1240 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1241 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1242 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1243 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1244 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1245 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1246 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1247 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1248 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1249 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1250 printf(" -A, --apodization=\"function\" Window audio data with given the function\n");
1251 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1252 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1253 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1254 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1255 printf("format options:\n");
1256 printf(" --endian={big|little} Set byte order for samples\n");
1257 printf(" --channels=# Number of channels\n");
1258 printf(" --bps=# Number of bits per sample\n");
1259 printf(" --sample-rate=# Sample rate in Hz\n");
1260 printf(" --sign={signed|unsigned} Sign of samples\n");
1261 printf(" --input-size=# Size of the raw input in bytes\n");
1262 printf(" --force-aiff-format Force decoding to AIFF format\n");
1263 printf(" --force-raw-format Treat input or output as raw samples\n");
1264 printf("negative options:\n");
1265 printf(" --no-adaptive-mid-side\n");
1266 printf(" --no-decode-through-errors\n");
1267 printf(" --no-delete-input-file\n");
1268 printf(" --no-exhaustive-model-search\n");
1269 printf(" --no-lax\n");
1270 printf(" --no-mid-side\n");
1271 #ifdef FLAC__HAS_OGG
1272 printf(" --no-ogg\n");
1274 printf(" --no-padding\n");
1275 printf(" --no-qlp-coeff-prec-search\n");
1276 printf(" --no-replay-gain\n");
1277 printf(" --no-residual-gnuplot\n");
1278 printf(" --no-residual-text\n");
1279 printf(" --no-sector-align\n");
1280 printf(" --no-seektable\n");
1281 printf(" --no-silent\n");
1282 printf(" --no-force\n");
1283 printf(" --no-verify\n");
1290 printf("For encoding:\n");
1291 printf(" The input file(s) may be a PCM RIFF 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");
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");
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");
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(" -f, --force Force overwriting of output files\n");
1323 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1324 printf(" changes the extension. May only be used when\n");
1325 printf(" encoding a single file. May not be used in\n");
1326 printf(" conjunction with --output-prefix.\n");
1327 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1328 printf(" STRING. This can be useful for encoding or\n");
1329 printf(" decoding files to a different directory. Make\n");
1330 printf(" sure if your STRING is a path name that it ends\n");
1331 printf(" with a '/' slash.\n");
1332 printf(" --delete-input-file Automatically delete the input file after a\n");
1333 printf(" successful encode or decode. If there was an\n");
1334 printf(" error (including a verify error) the input file\n");
1335 printf(" is left intact.\n");
1336 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1337 printf(" be used both for encoding and decoding. The\n");
1338 printf(" alternative form mm:ss.ss can be used to specify\n");
1339 printf(" minutes, seconds, and fractions of a second.\n");
1340 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1341 printf(" file. The given sample number is not included\n");
1342 printf(" in the decoded output. The alternative form\n");
1343 printf(" mm:ss.ss can be used to specify minutes,\n");
1344 printf(" seconds, and fractions of a second. If a `+'\n");
1345 printf(" sign is at the beginning, the --until point is\n");
1346 printf(" relative to the --skip point. If a `-' sign is\n");
1347 printf(" at the beginning, the --until point is relative\n");
1348 printf(" to end of the audio.\n");
1349 #ifdef FLAC__HAS_OGG
1350 printf(" --ogg When encoding, generate Ogg FLAC output instead\n");
1351 printf(" of native FLAC. Ogg FLAC streams are FLAC\n");
1352 printf(" streams wrapped in an Ogg transport layer. The\n");
1353 printf(" resulting file should have an '.ogg' extension\n");
1354 printf(" and will still be decodable by flac. When\n");
1355 printf(" decoding, force the input to be treated as\n");
1356 printf(" Ogg FLAC. This is useful when piping input\n");
1357 printf(" from stdin or when the filename does not end in\n");
1358 printf(" '.ogg'.\n");
1359 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1360 printf(" encoding and no serial number is given, flac\n");
1361 printf(" uses '0'. When decoding and no number is\n");
1362 printf(" given, flac uses the serial number of the first\n");
1365 printf("analysis options:\n");
1366 printf(" --residual-text Include residual signal in text output. This\n");
1367 printf(" will make the file very big, much larger than\n");
1368 printf(" even the decoded file.\n");
1369 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1370 printf(" of each subframe\n");
1371 printf("decoding options:\n");
1372 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1373 printf(" and removes the partially decoded file if it\n");
1374 printf(" encounters a bitstream error. With -F, errors\n");
1375 printf(" are still printed but flac will continue\n");
1376 printf(" decoding to completion. Note that errors may\n");
1377 printf(" cause the decoded audio to be missing some\n");
1378 printf(" samples or have silent sections.\n");
1379 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n");
1380 printf(" decode. The optional first #.# is the track and\n");
1381 printf(" index point at which decoding will start; the\n");
1382 printf(" default is the beginning of the stream. The\n");
1383 printf(" optional second #.# is the track and index point\n");
1384 printf(" at which decoding will end; the default is the\n");
1385 printf(" end of the stream. If the cuepoint does not\n");
1386 printf(" exist, the closest one before it (for the start\n");
1387 printf(" point) or after it (for the end point) will be\n");
1388 printf(" used. The cuepoints are merely translated into\n");
1389 printf(" sample numbers then used as --skip and --until.\n");
1390 printf(" A CD track can always be cued by, for example,\n");
1391 printf(" --cue=9.1-10.1 for track 9, even if the CD has\n");
1392 printf(" no 10th track.\n");
1393 printf("encoding options:\n");
1394 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1395 printf(" output in parallel and comparing to the\n");
1396 printf(" original\n");
1397 printf(" --lax Allow encoder to generate non-Subset files\n");
1398 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1399 printf(" on sector boundaries.\n");
1400 printf(" --replay-gain Calculate ReplayGain values and store them as\n");
1401 printf(" FLAC tags. Title gains/peaks will be computed\n");
1402 printf(" for each file, and an album gain/peak will be\n");
1403 printf(" computed for all files. All input files must\n");
1404 printf(" have the same resolution, sample rate, and\n");
1405 printf(" number of channels. The sample rate must be\n");
1406 printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
1407 printf(" or 48 kHz. NOTE: this option may also leave a\n");
1408 printf(" few extra bytes in the PADDING block.\n");
1409 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1410 printf(" a CUESHEET metadata block. This option may only\n");
1411 printf(" be used when encoding a single file. A\n");
1412 printf(" seekpoint will be added for each index point in\n");
1413 printf(" the cuesheet to the SEEKTABLE unless\n");
1414 printf(" --no-cued-seekpoints is specified.\n");
1415 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n");
1416 printf(" comment if necessary. This option may appear\n");
1417 printf(" more than once to add several comments. NOTE:\n");
1418 printf(" all tags will be added to all encoded files.\n");
1419 printf(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n");
1420 printf(" whose contents will be read verbatim to set the\n");
1421 printf(" tag value. The contents will be converted to\n");
1422 printf(" UTF-8 from the local charset. This can be used\n");
1423 printf(" to store a cuesheet in a tag (e.g.\n");
1424 printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n");
1425 printf(" try to store binary data in tag fields! Use\n");
1426 printf(" APPLICATION blocks for that.\n");
1427 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1428 printf(" # : a specific sample number for a seek point\n");
1429 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1430 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1431 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1432 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1433 printf(" ified union of all such values.\n");
1434 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1435 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1436 printf(" input size before starting.\n");
1437 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1438 printf(" either no seek point entered (if the input size is determinable\n");
1439 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1440 printf(" determinable)\n");
1441 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1442 printf(" block of the given length (in bytes) after the\n");
1443 printf(" STREAMINFO block. This is useful if you plan\n");
1444 printf(" to tag the file later with an APPLICATION\n");
1445 printf(" block; instead of having to rewrite the entire\n");
1446 printf(" file later just to insert your block, you can\n");
1447 printf(" write directly over the PADDING block. Note\n");
1448 printf(" that the total length of the PADDING block will\n");
1449 printf(" be 4 bytes longer than the length given because\n");
1450 printf(" of the 4 metadata block header bytes. You can\n");
1451 printf(" force no PADDING block at all to be written with\n");
1452 printf(" --no-padding. The encoder writes a PADDING\n");
1453 printf(" block of 4096 bytes by default.\n");
1454 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1455 printf(" 1152 for -l 0, else 4608; must be one of 192,\n");
1456 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1457 printf(" 4096, 8192, 16384, or 32768 (unless --lax is\n");
1459 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1460 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1461 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1462 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1463 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1464 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1465 printf(" -5 is the default setting\n");
1466 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1467 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1468 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1469 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1470 printf(" (stereo only)\n");
1471 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1472 printf(" (stereo only)\n");
1473 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1474 printf(" -A, --apodization=\"function\" Window audio data with given the function.\n");
1475 printf(" The functions are: bartlett, bartlett_hann,\n");
1476 printf(" blackman, blackman_harris_4term_92db,\n");
1477 printf(" connes, flattop, gauss(STDDEV), hamming,\n");
1478 printf(" hann, kaiser_bessel, nuttall, rectangle,\n");
1479 printf(" triangle, tukey(P), welch. More than one\n");
1480 printf(" may be specified but encoding time is a\n");
1481 printf(" multiple of the number of functions since\n");
1482 printf(" they are each tried in turn. The encoder\n");
1483 printf(" chooses suitable defaults in the absence\n");
1484 printf(" of any -A options.\n");
1485 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1486 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1487 printf(" quantization (expensive!); overrides -q;\n");
1488 printf(" does nothing if using -l 0\n");
1489 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1490 printf(" linear-predictor coefficients; 0 => let\n");
1491 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1492 printf(" default is -q 0)\n");
1493 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1494 printf(" (# is 0..16; min defaults to 0; the\n");
1495 printf(" default is -r 0; above 4 doesn't usually\n");
1496 printf(" help much)\n");
1497 printf("format options:\n");
1498 printf(" --endian={big|little} Set byte order for samples\n");
1499 printf(" --channels=# Number of channels\n");
1500 printf(" --bps=# Number of bits per sample\n");
1501 printf(" --sample-rate=# Sample rate in Hz\n");
1502 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1503 printf(" --input-size=# Size of the raw input in bytes. If you are\n");
1504 printf(" encoding raw samples from stdin, you must set\n");
1505 printf(" this option in order to be able to use --skip,\n");
1506 printf(" --until, --cue-sheet, or other options that need\n");
1507 printf(" to know the size of the input beforehand. If\n");
1508 printf(" the size given is greater than what is found in\n");
1509 printf(" the input stream, the encoder will complain\n");
1510 printf(" about an unexpected end-of-file. If the size\n");
1511 printf(" given is less, samples will be truncated.\n");
1512 printf(" --force-aiff-format Force the decoder to output AIFF format. This\n");
1513 printf(" option is not needed if the output filename (as\n");
1514 printf(" set by -o) ends with .aif or .aiff; this option\n");
1515 printf(" has no effect when encoding since input AIFF is\n");
1516 printf(" auto-detected.\n");
1517 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1518 printf(" decoding) to be treated as raw samples\n");
1519 printf("negative options:\n");
1520 printf(" --no-adaptive-mid-side\n");
1521 printf(" --no-decode-through-errors\n");
1522 printf(" --no-delete-input-file\n");
1523 printf(" --no-exhaustive-model-search\n");
1524 printf(" --no-lax\n");
1525 printf(" --no-mid-side\n");
1526 #ifdef FLAC__HAS_OGG
1527 printf(" --no-ogg\n");
1529 printf(" --no-padding\n");
1530 printf(" --no-qlp-coeff-prec-search\n");
1531 printf(" --no-residual-gnuplot\n");
1532 printf(" --no-residual-text\n");
1533 printf(" --no-sector-align\n");
1534 printf(" --no-seektable\n");
1535 printf(" --no-silent\n");
1536 printf(" --no-force\n");
1537 printf(" --no-verify\n");
1540 void format_mistake(const char *infilename, const char *wrong, const char *right)
1542 flac__utils_printf(stderr, 1, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right);
1545 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1547 FILE *encode_infile;
1548 FLAC__byte lookahead[12];
1549 unsigned lookahead_length = 0;
1550 FileFormat fmt = RAW;
1551 FLAC__bool is_aifc = false;
1554 encode_options_t common_options;
1555 const char *outfilename = get_encoded_outfilename(infilename);
1557 if(0 == outfilename) {
1558 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1563 * Error if output file already exists (and -f not used).
1564 * Use grabbag__file_get_filesize() as a cheap way to check.
1566 if(!option_values.test_only && !option_values.force_file_overwrite && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1567 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1571 if(0 == strcmp(infilename, "-")) {
1572 infilesize = (off_t)(-1);
1573 encode_infile = grabbag__file_get_binary_stdin();
1576 infilesize = grabbag__file_get_filesize(infilename);
1577 if(0 == (encode_infile = fopen(infilename, "rb"))) {
1578 flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno));
1583 if(!option_values.force_raw_format) {
1584 /* first set format based on name */
1585 if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".wav"))
1587 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".aif"))
1589 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".aiff"))
1592 /* attempt to guess the file type based on the first 12 bytes */
1593 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1595 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1599 if(!strncmp((const char *)lookahead, "RIFF", 4) && !strncmp((const char *)lookahead+8, "WAVE", 4))
1601 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFF", 4))
1603 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFC", 4)) {
1609 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1615 if(option_values.format_input_size >= 0) {
1616 if (fmt != RAW || infilesize >= 0) {
1617 flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n");
1621 infilesize = option_values.format_input_size;
1625 if(option_values.sector_align && fmt == RAW && infilesize < 0) {
1626 flac__utils_printf(stderr, 1, "ERROR: can't --sector-align when the input size is unknown\n");
1631 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)
1632 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1635 if(encode_infile == stdin || option_values.force_to_stdout) {
1636 if(option_values.replay_gain)
1637 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1640 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1641 return usage_error("ERROR: invalid value for --skip\n");
1643 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 */
1644 return usage_error("ERROR: invalid value for --until\n");
1645 /* if there is no "--until" we want to default to "--until=-0" */
1646 if(0 == option_values.until_specification)
1647 common_options.until_specification.is_relative = true;
1649 common_options.verify = option_values.verify;
1650 #ifdef FLAC__HAS_OGG
1651 common_options.use_ogg = option_values.use_ogg;
1652 /* set a random serial number if one has not yet been specified */
1653 if(!option_values.has_serial_number) {
1655 option_values.serial_number = rand();
1656 option_values.has_serial_number = true;
1658 common_options.serial_number = option_values.serial_number++;
1660 common_options.lax = option_values.lax;
1661 common_options.do_mid_side = option_values.do_mid_side;
1662 common_options.loose_mid_side = option_values.loose_mid_side;
1663 common_options.do_exhaustive_model_search = option_values.do_exhaustive_model_search;
1664 common_options.do_escape_coding = option_values.do_escape_coding;
1665 common_options.do_qlp_coeff_prec_search = option_values.do_qlp_coeff_prec_search;
1666 common_options.min_residual_partition_order = option_values.min_residual_partition_order;
1667 common_options.max_residual_partition_order = option_values.max_residual_partition_order;
1668 common_options.rice_parameter_search_dist = option_values.rice_parameter_search_dist;
1669 common_options.apodizations = option_values.apodizations;
1670 common_options.max_lpc_order = option_values.max_lpc_order;
1671 common_options.blocksize = (unsigned)option_values.blocksize;
1672 common_options.qlp_coeff_precision = option_values.qlp_coeff_precision;
1673 common_options.padding = option_values.padding;
1674 common_options.requested_seek_points = option_values.requested_seek_points;
1675 common_options.num_requested_seek_points = option_values.num_requested_seek_points;
1676 common_options.cuesheet_filename = option_values.cuesheet_filename;
1677 common_options.cued_seekpoints = option_values.cued_seekpoints;
1678 common_options.is_first_file = is_first_file;
1679 common_options.is_last_file = is_last_file;
1680 common_options.align_reservoir = align_reservoir;
1681 common_options.align_reservoir_samples = &align_reservoir_samples;
1682 common_options.replay_gain = option_values.replay_gain;
1683 common_options.sector_align = option_values.sector_align;
1684 common_options.vorbis_comment = option_values.vorbis_comment;
1685 common_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1686 common_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1687 common_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1690 raw_encode_options_t options;
1692 options.common = common_options;
1693 options.is_big_endian = option_values.format_is_big_endian;
1694 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1695 options.channels = option_values.format_channels;
1696 options.bps = option_values.format_bps;
1697 options.sample_rate = option_values.format_sample_rate;
1699 retval = flac__encode_raw(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1702 wav_encode_options_t options;
1704 options.common = common_options;
1707 retval = flac__encode_aif(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options, is_aifc);
1709 retval = flac__encode_wav(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1712 if(retval == 0 && strcmp(infilename, "-")) {
1713 if(strcmp(outfilename, "-")) {
1714 if(option_values.replay_gain) {
1715 float title_gain, title_peak;
1717 grabbag__replaygain_get_title(&title_gain, &title_peak);
1718 if(0 != (error = grabbag__replaygain_store_to_file_title(outfilename, title_gain, title_peak, /*preserve_modtime=*/true))) {
1719 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain title tags\n", outfilename);
1722 grabbag__file_copy_metadata(infilename, outfilename);
1724 if(option_values.delete_input)
1731 int decode_file(const char *infilename)
1734 FLAC__bool treat_as_ogg = false;
1735 decode_options_t common_options;
1736 const char *outfilename = get_decoded_outfilename(infilename);
1738 if(0 == outfilename) {
1739 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1744 * Error if output file already exists (and -f not used).
1745 * Use grabbag__file_get_filesize() as a cheap way to check.
1747 if(!option_values.test_only && !option_values.force_file_overwrite && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1748 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1752 if(!option_values.test_only && !option_values.analyze) {
1753 if(option_values.force_raw_format && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
1754 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
1757 if(option_values.use_ogg)
1758 treat_as_ogg = true;
1759 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
1760 treat_as_ogg = true;
1762 treat_as_ogg = false;
1764 #ifndef FLAC__HAS_OGG
1766 flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename);
1771 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1772 return usage_error("ERROR: invalid value for --skip\n");
1774 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 */
1775 return usage_error("ERROR: invalid value for --until\n");
1776 /* if there is no "--until" we want to default to "--until=-0" */
1777 if(0 == option_values.until_specification)
1778 common_options.until_specification.is_relative = true;
1780 if(option_values.cue_specification) {
1781 if(!flac__utils_parse_cue_specification(option_values.cue_specification, &common_options.cue_specification))
1782 return usage_error("ERROR: invalid value for --cue\n");
1783 common_options.has_cue_specification = true;
1786 common_options.has_cue_specification = false;
1788 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1789 common_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
1790 #ifdef FLAC__HAS_OGG
1791 common_options.is_ogg = treat_as_ogg;
1792 common_options.use_first_serial_number = !option_values.has_serial_number;
1793 common_options.serial_number = option_values.serial_number;
1796 if(!option_values.force_raw_format) {
1797 wav_decode_options_t options;
1799 options.common = common_options;
1802 option_values.force_aiff_format ||
1803 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) ||
1804 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff"))
1806 retval = flac__decode_aiff(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1808 retval = flac__decode_wav(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1811 raw_decode_options_t options;
1813 options.common = common_options;
1814 options.is_big_endian = option_values.format_is_big_endian;
1815 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1817 retval = flac__decode_raw(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1820 if(retval == 0 && strcmp(infilename, "-")) {
1821 if(strcmp(outfilename, "-"))
1822 grabbag__file_copy_metadata(infilename, outfilename);
1823 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
1830 const char *get_encoded_outfilename(const char *infilename)
1832 const char *suffix = (option_values.use_ogg? ".ogg" : ".flac");
1833 return get_outfilename(infilename, suffix);
1836 const char *get_decoded_outfilename(const char *infilename)
1839 if(option_values.analyze) {
1842 else if(option_values.force_raw_format) {
1845 else if(option_values.force_aiff_format) {
1851 return get_outfilename(infilename, suffix);
1854 const char *get_outfilename(const char *infilename, const char *suffix)
1856 if(0 == option_values.cmdline_forced_outfilename) {
1857 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
1859 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
1860 strcpy(buffer, "-");
1864 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
1866 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
1868 if(0 == (p = strrchr(buffer, '.'))) {
1869 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1873 if(0 == strcmp(p, suffix)) {
1875 if (flac__strlcat(buffer, "_new", sizeof buffer) >= sizeof buffer)
1881 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1888 return option_values.cmdline_forced_outfilename;
1891 void die(const char *message)
1893 FLAC__ASSERT(0 != message);
1894 flac__utils_printf(stderr, 1, "ERROR: %s\n", message);
1898 char *local_strdup(const char *source)
1901 FLAC__ASSERT(0 != source);
1902 if(0 == (ret = strdup(source)))
1903 die("out of memory during strdup()");