1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003 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.
30 #if !defined _MSC_VER && !defined __MINGW32__
31 /* unlink is in stdio.h in VC++ */
32 #include <unistd.h> /* for unlink() */
34 #define strcasecmp stricmp
37 #include "share/grabbag.h"
41 #include "string.h" /* for strlcat() and strlcpy() */
43 #include "vorbiscomment.h"
46 /*[JEC] was:#if HAVE_GETOPT_LONG*/
47 /*[JEC] see flac/include/share/getopt.h as to why the change */
50 # include "share/getopt.h"
53 typedef enum { RAW, WAV, AIF } FileFormat;
57 static FLAC__bool init_options();
58 static int parse_options(int argc, char *argv[]);
59 static int parse_option(int short_option, const char *long_option, const char *option_argument);
60 static void free_options();
62 static int usage_error(const char *message, ...);
63 static void short_usage();
64 static void show_version();
65 static void show_help();
66 static void show_explain();
67 static void format_mistake(const char *infilename, const char *wrong, const char *right);
69 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
70 static int decode_file(const char *infilename);
72 static const char *get_encoded_outfilename(const char *infilename);
73 static const char *get_decoded_outfilename(const char *infilename);
74 static const char *get_outfilename(const char *infilename, const char *suffix);
76 static void die(const char *message);
77 static char *local_strdup(const char *source);
81 * share__getopt format struct; note that for long options with no
82 * short option equivalent we just set the 'val' field to 0.
84 static struct share__option long_options_[] = {
88 { "help" , share__no_argument, 0, 'h' },
89 { "explain" , share__no_argument, 0, 'H' },
90 { "version" , share__no_argument, 0, 'v' },
91 { "decode" , share__no_argument, 0, 'd' },
92 { "analyze" , share__no_argument, 0, 'a' },
93 { "test" , share__no_argument, 0, 't' },
94 { "stdout" , share__no_argument, 0, 'c' },
95 { "silent" , share__no_argument, 0, 's' },
96 { "delete-input-file", share__no_argument, 0, 0 },
97 { "output-prefix" , share__required_argument, 0, 0 },
98 { "output-name" , share__required_argument, 0, 'o' },
99 { "skip" , share__required_argument, 0, 0 },
100 { "until" , share__required_argument, 0, 0 },
105 { "decode-through-errors", share__no_argument, 0, 'F' },
106 { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */
111 { "cuesheet" , share__required_argument, 0, 0 },
112 { "no-cued-seekpoints" , share__no_argument, 0, 0 },
113 { "tag" , share__required_argument, 0, 'T' },
114 { "compression-level-0" , share__no_argument, 0, '0' },
115 { "compression-level-1" , share__no_argument, 0, '1' },
116 { "compression-level-2" , share__no_argument, 0, '2' },
117 { "compression-level-3" , share__no_argument, 0, '3' },
118 { "compression-level-4" , share__no_argument, 0, '4' },
119 { "compression-level-5" , share__no_argument, 0, '5' },
120 { "compression-level-6" , share__no_argument, 0, '6' },
121 { "compression-level-7" , share__no_argument, 0, '7' },
122 { "compression-level-8" , share__no_argument, 0, '8' },
123 { "compression-level-9" , share__no_argument, 0, '9' },
124 { "best" , share__no_argument, 0, '8' },
125 { "fast" , share__no_argument, 0, '0' },
126 { "super-secret-totally-impractical-compression-level", share__no_argument, 0, 0 },
127 { "verify" , share__no_argument, 0, 'V' },
128 { "force-aiff-format" , share__no_argument, 0, 0 },
129 { "force-raw-format" , share__no_argument, 0, 0 },
130 { "lax" , share__no_argument, 0, 0 },
131 { "replay-gain" , share__no_argument, 0, 0 },
132 { "sector-align" , share__no_argument, 0, 0 },
133 { "seekpoint" , share__required_argument, 0, 'S' },
134 { "padding" , share__required_argument, 0, 'P' },
136 { "ogg" , share__no_argument, 0, 0 },
137 { "serial-number" , share__required_argument, 0, 0 },
139 { "blocksize" , share__required_argument, 0, 'b' },
140 { "exhaustive-model-search" , share__no_argument, 0, 'e' },
141 { "max-lpc-order" , share__required_argument, 0, 'l' },
142 { "mid-side" , share__no_argument, 0, 'm' },
143 { "adaptive-mid-side" , share__no_argument, 0, 'M' },
144 { "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
145 { "qlp-coeff-precision" , share__required_argument, 0, 'q' },
146 { "rice-partition-order" , share__required_argument, 0, 'r' },
147 { "endian" , share__required_argument, 0, 0 },
148 { "channels" , share__required_argument, 0, 0 },
149 { "bps" , share__required_argument, 0, 0 },
150 { "sample-rate" , share__required_argument, 0, 0 },
151 { "sign" , share__required_argument, 0, 0 },
156 { "residual-gnu-plot", share__no_argument, 0, 0 },
157 { "residual-text", share__no_argument, 0, 0 },
162 { "no-decode-through-errors" , share__no_argument, 0, 0 },
163 { "no-silent" , share__no_argument, 0, 0 },
164 { "no-seektable" , share__no_argument, 0, 0 },
165 { "no-delete-input-file" , share__no_argument, 0, 0 },
166 { "no-replay-gain" , share__no_argument, 0, 0 },
167 { "no-sector-align" , share__no_argument, 0, 0 },
168 { "no-lax" , share__no_argument, 0, 0 },
170 { "no-ogg" , share__no_argument, 0, 0 },
172 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
173 { "no-mid-side" , share__no_argument, 0, 0 },
174 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
175 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
176 { "no-padding" , share__no_argument, 0, 0 },
177 { "no-verify" , share__no_argument, 0, 0 },
178 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
179 { "no-residual-text" , share__no_argument, 0, 0 },
181 * undocumented debugging options for the test suite
183 { "disable-constant-subframes", share__no_argument, 0, 0 },
184 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
185 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
192 * global to hold command-line option values
196 FLAC__bool show_help;
197 FLAC__bool show_explain;
198 FLAC__bool show_version;
199 FLAC__bool mode_decode;
202 FLAC__bool continue_through_decode_errors;
203 replaygain_synthesis_spec_t replaygain_synthesis_spec;
205 FLAC__bool test_only;
208 FLAC__bool has_serial_number; /* true iff --serial-number was used */
209 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
210 FLAC__bool do_mid_side;
211 FLAC__bool loose_mid_side;
212 FLAC__bool do_exhaustive_model_search;
213 FLAC__bool do_escape_coding;
214 FLAC__bool do_qlp_coeff_prec_search;
215 FLAC__bool force_to_stdout;
216 FLAC__bool force_aiff_format;
217 FLAC__bool force_raw_format;
218 FLAC__bool delete_input;
219 FLAC__bool replay_gain;
220 FLAC__bool sector_align;
221 const char *cmdline_forced_outfilename;
222 const char *output_prefix;
223 analysis_options aopts;
225 unsigned max_lpc_order;
226 unsigned qlp_coeff_precision;
227 const char *skip_specification;
228 const char *until_specification;
229 int format_is_big_endian;
230 int format_is_unsigned_samples;
233 int format_sample_rate;
235 int min_residual_partition_order;
236 int max_residual_partition_order;
237 int rice_parameter_search_dist;
238 char requested_seek_points[50000]; /* bad MAGIC NUMBER but buffer overflow is checked */
239 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
240 const char *cuesheet_filename;
241 FLAC__bool cued_seekpoints;
246 FLAC__StreamMetadata *vorbis_comment;
249 FLAC__bool disable_constant_subframes;
250 FLAC__bool disable_fixed_subframes;
251 FLAC__bool disable_verbatim_subframes;
257 * miscellaneous globals
260 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */
261 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
262 static unsigned align_reservoir_samples = 0; /* 0 .. 587 */
265 int main(int argc, char *argv[])
269 setlocale(LC_ALL, "");
270 if(!init_options()) {
271 fprintf(stderr, "ERROR: allocating memory\n");
275 if((retval = parse_options(argc, argv)) == 0)
288 if(option_values.show_version) {
292 else if(option_values.show_explain) {
296 else if(option_values.show_help) {
301 if(option_values.num_files == 0) {
307 * tweak options; validate the values
309 if(!option_values.mode_decode) {
310 if(option_values.blocksize < 0) {
311 if(option_values.max_lpc_order == 0)
312 option_values.blocksize = 1152;
314 option_values.blocksize = 4608;
316 if(option_values.max_residual_partition_order < 0) {
317 if(option_values.blocksize <= 1152)
318 option_values.max_residual_partition_order = 2;
319 else if(option_values.blocksize <= 2304)
320 option_values.max_residual_partition_order = 3;
321 else if(option_values.blocksize <= 4608)
322 option_values.max_residual_partition_order = 3;
324 option_values.max_residual_partition_order = 4;
325 option_values.min_residual_partition_order = option_values.max_residual_partition_order;
327 if(option_values.rice_parameter_search_dist < 0) {
328 option_values.rice_parameter_search_dist = 0;
332 if(option_values.test_only) {
333 if(0 != option_values.skip_specification)
334 return usage_error("ERROR: --skip is not allowed in test mode\n");
335 if(0 != option_values.until_specification)
336 return usage_error("ERROR: --until is not allowed in test mode\n");
340 FLAC__ASSERT(option_values.blocksize >= 0 || option_values.mode_decode);
342 if(option_values.format_channels >= 0) {
343 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
344 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
346 if(option_values.format_bps >= 0) {
347 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
348 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
350 if(option_values.format_sample_rate >= 0) {
351 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
352 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
354 if(option_values.force_raw_format && option_values.force_aiff_format)
355 return usage_error("ERROR: only one of --force-raw-format and --force-aiff-format allowed\n");
356 if(option_values.mode_decode) {
357 if(!option_values.force_raw_format) {
358 if(option_values.format_is_big_endian >= 0)
359 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
360 if(option_values.format_is_unsigned_samples >= 0)
361 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
363 if(option_values.format_channels >= 0)
364 return usage_error("ERROR: --channels not allowed with --decode\n");
365 if(option_values.format_bps >= 0)
366 return usage_error("ERROR: --bps not allowed with --decode\n");
367 if(option_values.format_sample_rate >= 0)
368 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
370 if(!option_values.mode_decode && ((unsigned)option_values.blocksize < FLAC__MIN_BLOCK_SIZE || (unsigned)option_values.blocksize > FLAC__MAX_BLOCK_SIZE)) {
371 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);
373 if(option_values.qlp_coeff_precision > 0 && option_values.qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION) {
374 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);
377 if(option_values.sector_align) {
378 if(option_values.mode_decode)
379 return usage_error("ERROR: --sector-align only allowed for encoding\n");
380 if(0 != option_values.skip_specification)
381 return usage_error("ERROR: --sector-align not allowed with --skip\n");
382 if(0 != option_values.until_specification)
383 return usage_error("ERROR: --sector-align not allowed with --until\n");
384 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
385 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
386 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
387 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
388 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
389 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
391 if(option_values.replay_gain) {
392 if(option_values.force_to_stdout)
393 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
394 if(option_values.mode_decode)
395 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
396 if(option_values.format_channels > 2)
397 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
398 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
399 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
401 * We want to reserve padding space for the ReplayGain
402 * tags that we will set later, to avoid rewriting the
405 if(option_values.padding < 0) {
406 fprintf(stderr, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
407 option_values.padding = GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
410 option_values.padding += GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
413 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
414 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
416 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
417 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
419 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
420 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
423 if(option_values.verbose) {
424 fprintf(stderr, "\n");
425 fprintf(stderr, "flac %s, Copyright (C) 2000,2001,2002,2003 Josh Coalson\n", FLAC__VERSION_STRING);
426 fprintf(stderr, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
427 fprintf(stderr, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
429 if(!option_values.mode_decode) {
431 if(option_values.padding < 0)
434 sprintf(padopt, " %d", option_values.padding);
436 "options:%s%s%s%s -P%s -b %u%s -l %u%s%s%s -q %u -r %u,%u%s\n",
437 option_values.delete_input?" --delete-input-file":"",
438 option_values.sector_align?" --sector-align":"",
439 option_values.use_ogg?" --ogg":"",
440 option_values.lax?" --lax":"",
442 (unsigned)option_values.blocksize,
443 option_values.loose_mid_side?" -M":option_values.do_mid_side?" -m":"",
444 option_values.max_lpc_order,
445 option_values.do_exhaustive_model_search?" -e":"",
446 option_values.do_escape_coding?" -E":"",
447 option_values.do_qlp_coeff_prec_search?" -p":"",
448 option_values.qlp_coeff_precision,
449 (unsigned)option_values.min_residual_partition_order,
450 (unsigned)option_values.max_residual_partition_order,
451 option_values.verify? " -V":""
456 if(option_values.mode_decode) {
457 FLAC__bool first = true;
459 if(option_values.num_files == 0) {
460 retval = decode_file("-");
464 if(option_values.num_files > 1)
465 option_values.cmdline_forced_outfilename = 0;
466 for(i = 0, retval = 0; i < option_values.num_files; i++) {
467 if(0 == strcmp(option_values.filenames[i], "-") && !first)
469 retval |= decode_file(option_values.filenames[i]);
475 FLAC__bool first = true;
477 if(option_values.num_files == 0) {
478 retval = encode_file("-", first, true);
482 if(option_values.num_files > 1)
483 option_values.cmdline_forced_outfilename = 0;
484 for(i = 0, retval = 0; i < option_values.num_files; i++) {
485 if(0 == strcmp(option_values.filenames[i], "-") && !first)
487 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
490 if(option_values.replay_gain && retval == 0) {
491 float album_gain, album_peak;
492 grabbag__replaygain_get_album(&album_gain, &album_peak);
493 for(i = 0; i < option_values.num_files; i++) {
494 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
495 if(0 == outfilename) {
496 fprintf(stderr, "ERROR: filename too long: %s", option_values.filenames[i]);
499 if(0 == strcmp(option_values.filenames[i], "-")) {
501 /* double protection */
502 fprintf(stderr, "internal error\n");
505 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, /*preserve_modtime=*/true))) {
506 fprintf(stderr, "%s: ERROR writing ReplayGain album tags\n", outfilename);
517 FLAC__bool init_options()
519 option_values.show_help = false;
520 option_values.show_explain = false;
521 option_values.mode_decode = false;
522 option_values.verify = false;
523 option_values.verbose = true;
524 option_values.continue_through_decode_errors = false;
525 option_values.replaygain_synthesis_spec.apply = false;
526 option_values.replaygain_synthesis_spec.use_album_gain = true;
527 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
528 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
529 option_values.replaygain_synthesis_spec.preamp = 0.0;
530 option_values.lax = false;
531 option_values.test_only = false;
532 option_values.analyze = false;
533 option_values.use_ogg = false;
534 option_values.has_serial_number = false;
535 option_values.serial_number = 0;
536 option_values.do_mid_side = true;
537 option_values.loose_mid_side = false;
538 option_values.do_exhaustive_model_search = false;
539 option_values.do_escape_coding = false;
540 option_values.do_qlp_coeff_prec_search = false;
541 option_values.force_to_stdout = false;
542 option_values.force_aiff_format = false;
543 option_values.force_raw_format = false;
544 option_values.delete_input = false;
545 option_values.replay_gain = false;
546 option_values.sector_align = false;
547 option_values.cmdline_forced_outfilename = 0;
548 option_values.output_prefix = 0;
549 option_values.aopts.do_residual_text = false;
550 option_values.aopts.do_residual_gnuplot = false;
551 option_values.padding = 4096;
552 option_values.max_lpc_order = 8;
553 option_values.qlp_coeff_precision = 0;
554 option_values.skip_specification = 0;
555 option_values.until_specification = 0;
556 option_values.format_is_big_endian = -1;
557 option_values.format_is_unsigned_samples = -1;
558 option_values.format_channels = -1;
559 option_values.format_bps = -1;
560 option_values.format_sample_rate = -1;
561 option_values.blocksize = -1;
562 option_values.min_residual_partition_order = -1;
563 option_values.max_residual_partition_order = -1;
564 option_values.rice_parameter_search_dist = -1;
565 option_values.requested_seek_points[0] = '\0';
566 option_values.num_requested_seek_points = -1;
567 option_values.cuesheet_filename = 0;
568 option_values.cued_seekpoints = true;
570 option_values.num_files = 0;
571 option_values.filenames = 0;
573 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
576 option_values.debug.disable_constant_subframes = false;
577 option_values.debug.disable_fixed_subframes = false;
578 option_values.debug.disable_verbatim_subframes = false;
583 int parse_options(int argc, char *argv[])
586 int option_index = 1;
587 FLAC__bool had_error = false;
588 const char *short_opts = "0123456789ab:cdeFhHl:mMo:pP:q:r:sS:tT:vV";
590 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
591 switch (short_option) {
592 case 0: /* long option with no equivalent short option */
593 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
599 default: /* short option */
600 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
609 FLAC__ASSERT(share__optind <= argc);
611 option_values.num_files = argc - share__optind;
613 if(option_values.num_files > 0) {
615 if(0 == (option_values.filenames = malloc(sizeof(char *) * option_values.num_files)))
616 die("out of memory allocating space for file names list");
617 while(share__optind < argc)
618 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
624 int parse_option(int short_option, const char *long_option, const char *option_argument)
628 if(short_option == 0) {
629 FLAC__ASSERT(0 != long_option);
630 if(0 == strcmp(long_option, "delete-input-file")) {
631 option_values.delete_input = true;
633 else if(0 == strcmp(long_option, "output-prefix")) {
634 FLAC__ASSERT(0 != option_argument);
635 option_values.output_prefix = option_argument;
637 else if(0 == strcmp(long_option, "skip")) {
638 FLAC__ASSERT(0 != option_argument);
639 option_values.skip_specification = option_argument;
641 else if(0 == strcmp(long_option, "until")) {
642 FLAC__ASSERT(0 != option_argument);
643 option_values.until_specification = option_argument;
645 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
646 option_values.replaygain_synthesis_spec.apply = true;
647 if (0 != option_argument) {
649 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
650 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
651 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
654 option_values.replaygain_synthesis_spec.use_album_gain = true;
656 option_values.replaygain_synthesis_spec.use_album_gain = false;
658 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
660 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
661 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
662 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
666 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
670 else if(0 == strcmp(long_option, "cuesheet")) {
671 FLAC__ASSERT(0 != option_argument);
672 option_values.cuesheet_filename = option_argument;
674 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
675 option_values.cued_seekpoints = false;
677 else if(0 == strcmp(long_option, "super-secret-totally-impractical-compression-level")) {
678 option_values.lax = true;
679 option_values.do_exhaustive_model_search = true;
680 option_values.do_escape_coding = true;
681 option_values.do_mid_side = true;
682 option_values.loose_mid_side = false;
683 option_values.do_qlp_coeff_prec_search = true;
684 option_values.min_residual_partition_order = 0;
685 option_values.max_residual_partition_order = 16;
686 option_values.rice_parameter_search_dist = 0;
687 option_values.max_lpc_order = 32;
689 else if(0 == strcmp(long_option, "force-aiff-format")) {
690 option_values.force_aiff_format = true;
692 else if(0 == strcmp(long_option, "force-raw-format")) {
693 option_values.force_raw_format = true;
695 else if(0 == strcmp(long_option, "lax")) {
696 option_values.lax = true;
698 else if(0 == strcmp(long_option, "replay-gain")) {
699 option_values.replay_gain = true;
701 else if(0 == strcmp(long_option, "sector-align")) {
702 option_values.sector_align = true;
705 else if(0 == strcmp(long_option, "ogg")) {
706 option_values.use_ogg = true;
708 else if(0 == strcmp(long_option, "serial-number")) {
709 option_values.has_serial_number = true;
710 option_values.serial_number = atol(option_argument);
713 else if(0 == strcmp(long_option, "endian")) {
714 FLAC__ASSERT(0 != option_argument);
715 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
716 option_values.format_is_big_endian = true;
717 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
718 option_values.format_is_big_endian = false;
720 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
722 else if(0 == strcmp(long_option, "channels")) {
723 FLAC__ASSERT(0 != option_argument);
724 option_values.format_channels = atoi(option_argument);
726 else if(0 == strcmp(long_option, "bps")) {
727 FLAC__ASSERT(0 != option_argument);
728 option_values.format_bps = atoi(option_argument);
730 else if(0 == strcmp(long_option, "sample-rate")) {
731 FLAC__ASSERT(0 != option_argument);
732 option_values.format_sample_rate = atoi(option_argument);
734 else if(0 == strcmp(long_option, "sign")) {
735 FLAC__ASSERT(0 != option_argument);
736 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
737 option_values.format_is_unsigned_samples = false;
738 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
739 option_values.format_is_unsigned_samples = true;
741 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
743 else if(0 == strcmp(long_option, "residual-gnu-plot")) {
744 option_values.aopts.do_residual_gnuplot = true;
746 else if(0 == strcmp(long_option, "residual-text")) {
747 option_values.aopts.do_residual_text = true;
752 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
753 option_values.continue_through_decode_errors = false;
755 else if(0 == strcmp(long_option, "no-silent")) {
756 option_values.verbose = true;
758 else if(0 == strcmp(long_option, "no-seektable")) {
759 option_values.num_requested_seek_points = 0;
760 option_values.requested_seek_points[0] = '\0';
762 else if(0 == strcmp(long_option, "no-delete-input-file")) {
763 option_values.delete_input = false;
765 else if(0 == strcmp(long_option, "no-replay-gain")) {
766 option_values.replay_gain = false;
768 else if(0 == strcmp(long_option, "no-sector-align")) {
769 option_values.sector_align = false;
771 else if(0 == strcmp(long_option, "no-lax")) {
772 option_values.lax = false;
775 else if(0 == strcmp(long_option, "no-ogg")) {
776 option_values.use_ogg = false;
779 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
780 option_values.do_exhaustive_model_search = false;
782 else if(0 == strcmp(long_option, "no-mid-side")) {
783 option_values.do_mid_side = option_values.loose_mid_side = false;
785 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
786 option_values.loose_mid_side = option_values.do_mid_side = false;
788 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
789 option_values.do_qlp_coeff_prec_search = false;
791 else if(0 == strcmp(long_option, "no-padding")) {
792 option_values.padding = -1;
794 else if(0 == strcmp(long_option, "no-verify")) {
795 option_values.verify = false;
797 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
798 option_values.aopts.do_residual_gnuplot = false;
800 else if(0 == strcmp(long_option, "no-residual-text")) {
801 option_values.aopts.do_residual_text = false;
803 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
804 option_values.debug.disable_constant_subframes = true;
806 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
807 option_values.debug.disable_fixed_subframes = true;
809 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
810 option_values.debug.disable_verbatim_subframes = true;
814 const char *violation;
815 switch(short_option) {
817 option_values.show_help = true;
820 option_values.show_explain = true;
823 option_values.show_version = true;
826 option_values.mode_decode = true;
829 option_values.mode_decode = true;
830 option_values.analyze = true;
833 option_values.mode_decode = true;
834 option_values.test_only = true;
837 option_values.force_to_stdout = true;
840 option_values.verbose = false;
843 FLAC__ASSERT(0 != option_argument);
844 option_values.cmdline_forced_outfilename = option_argument;
847 option_values.continue_through_decode_errors = true;
850 FLAC__ASSERT(0 != option_argument);
851 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, &violation))
852 return usage_error("ERROR: (-T/--tag) %s\n", violation);
855 option_values.do_exhaustive_model_search = false;
856 option_values.do_escape_coding = false;
857 option_values.do_mid_side = false;
858 option_values.loose_mid_side = false;
859 option_values.qlp_coeff_precision = 0;
860 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
861 option_values.rice_parameter_search_dist = 0;
862 option_values.max_lpc_order = 0;
865 option_values.do_exhaustive_model_search = false;
866 option_values.do_escape_coding = false;
867 option_values.do_mid_side = true;
868 option_values.loose_mid_side = true;
869 option_values.qlp_coeff_precision = 0;
870 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
871 option_values.rice_parameter_search_dist = 0;
872 option_values.max_lpc_order = 0;
875 option_values.do_exhaustive_model_search = false;
876 option_values.do_escape_coding = false;
877 option_values.do_mid_side = true;
878 option_values.loose_mid_side = false;
879 option_values.qlp_coeff_precision = 0;
880 option_values.min_residual_partition_order = 0;
881 option_values.max_residual_partition_order = 3;
882 option_values.rice_parameter_search_dist = 0;
883 option_values.max_lpc_order = 0;
886 option_values.do_exhaustive_model_search = false;
887 option_values.do_escape_coding = false;
888 option_values.do_mid_side = false;
889 option_values.loose_mid_side = false;
890 option_values.qlp_coeff_precision = 0;
891 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
892 option_values.rice_parameter_search_dist = 0;
893 option_values.max_lpc_order = 6;
896 option_values.do_exhaustive_model_search = false;
897 option_values.do_escape_coding = false;
898 option_values.do_mid_side = true;
899 option_values.loose_mid_side = true;
900 option_values.qlp_coeff_precision = 0;
901 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
902 option_values.rice_parameter_search_dist = 0;
903 option_values.max_lpc_order = 8;
906 option_values.do_exhaustive_model_search = false;
907 option_values.do_escape_coding = false;
908 option_values.do_mid_side = true;
909 option_values.loose_mid_side = false;
910 option_values.qlp_coeff_precision = 0;
911 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
912 option_values.rice_parameter_search_dist = 0;
913 option_values.max_lpc_order = 8;
916 option_values.do_exhaustive_model_search = false;
917 option_values.do_escape_coding = false;
918 option_values.do_mid_side = true;
919 option_values.loose_mid_side = false;
920 option_values.qlp_coeff_precision = 0;
921 option_values.min_residual_partition_order = 0;
922 option_values.max_residual_partition_order = 4;
923 option_values.rice_parameter_search_dist = 0;
924 option_values.max_lpc_order = 8;
927 option_values.do_exhaustive_model_search = true;
928 option_values.do_escape_coding = false;
929 option_values.do_mid_side = true;
930 option_values.loose_mid_side = false;
931 option_values.qlp_coeff_precision = 0;
932 option_values.min_residual_partition_order = 0;
933 option_values.max_residual_partition_order = 6;
934 option_values.rice_parameter_search_dist = 0;
935 option_values.max_lpc_order = 8;
938 option_values.do_exhaustive_model_search = true;
939 option_values.do_escape_coding = false;
940 option_values.do_mid_side = true;
941 option_values.loose_mid_side = false;
942 option_values.qlp_coeff_precision = 0;
943 option_values.min_residual_partition_order = 0;
944 option_values.max_residual_partition_order = 6;
945 option_values.rice_parameter_search_dist = 0;
946 option_values.max_lpc_order = 12;
949 return usage_error("ERROR: compression level '9' is reserved\n");
951 option_values.verify = true;
954 FLAC__ASSERT(0 != option_argument);
955 if(option_values.num_requested_seek_points < 0)
956 option_values.num_requested_seek_points = 0;
957 option_values.num_requested_seek_points++;
958 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
959 return usage_error("ERROR: too many seekpoints requested\n");
962 strcat(option_values.requested_seek_points, option_argument);
963 strcat(option_values.requested_seek_points, ";");
967 FLAC__ASSERT(0 != option_argument);
968 option_values.padding = atoi(option_argument);
969 if(option_values.padding < 0)
970 return usage_error("ERROR: argument to -P must be >= 0\n");
973 FLAC__ASSERT(0 != option_argument);
974 option_values.blocksize = atoi(option_argument);
977 option_values.do_exhaustive_model_search = true;
980 option_values.do_escape_coding = true;
983 FLAC__ASSERT(0 != option_argument);
984 option_values.max_lpc_order = atoi(option_argument);
987 option_values.do_mid_side = true;
988 option_values.loose_mid_side = false;
991 option_values.loose_mid_side = option_values.do_mid_side = true;
994 option_values.do_qlp_coeff_prec_search = true;
997 FLAC__ASSERT(0 != option_argument);
998 option_values.qlp_coeff_precision = atoi(option_argument);
1001 FLAC__ASSERT(0 != option_argument);
1002 p = strchr(option_argument, ',');
1004 option_values.min_residual_partition_order = 0;
1005 option_values.max_residual_partition_order = atoi(option_argument);
1008 option_values.min_residual_partition_order = atoi(option_argument);
1009 option_values.max_residual_partition_order = atoi(++p);
1013 FLAC__ASSERT(0 != option_argument);
1014 option_values.rice_parameter_search_dist = atoi(option_argument);
1027 if(0 != option_values.filenames) {
1028 for(i = 0; i < option_values.num_files; i++) {
1029 if(0 != option_values.filenames[i])
1030 free(option_values.filenames[i]);
1032 free(option_values.filenames);
1034 if(0 != option_values.vorbis_comment)
1035 FLAC__metadata_object_delete(option_values.vorbis_comment);
1038 int usage_error(const char *message, ...)
1042 FLAC__ASSERT(0 != message);
1044 va_start(args, message);
1046 (void) vfprintf(stderr, message, args);
1050 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1057 printf("flac %s\n", FLAC__VERSION_STRING);
1060 static void usage_header()
1062 printf("===============================================================================\n");
1063 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1064 printf("Copyright (C) 2000,2001,2002,2003 Josh Coalson\n");
1066 printf("This program is free software; you can redistribute it and/or\n");
1067 printf("modify it under the terms of the GNU General Public License\n");
1068 printf("as published by the Free Software Foundation; either version 2\n");
1069 printf("of the License, or (at your option) any later version.\n");
1071 printf("This program is distributed in the hope that it will be useful,\n");
1072 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1073 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1074 printf("GNU General Public License for more details.\n");
1076 printf("You should have received a copy of the GNU General Public License\n");
1077 printf("along with this program; if not, write to the Free Software\n");
1078 printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
1079 printf("===============================================================================\n");
1082 static void usage_summary()
1086 printf(" Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]\n");
1087 printf(" Decoding: flac -d [<general-options>] [<format-options>] [FLACFILE [...]]\n");
1088 printf(" Testing: flac -t [<general-options>] [FLACFILE [...]]\n");
1089 printf("Analyzing: flac -a [<general-options>] [<analysis-options>] [FLACFILE [...]]\n");
1097 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1098 printf("instructions use 'flac --explain'\n");
1100 printf("To encode:\n");
1101 printf(" flac [-#] [INPUTFILE [...]]\n");
1103 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1105 printf("To decode:\n");
1106 printf(" flac -d [INPUTFILE [...]]\n");
1108 printf("To test:\n");
1109 printf(" flac -t [INPUTFILE [...]]\n");
1116 printf("general options:\n");
1117 printf(" -v, --version Show the flac version number\n");
1118 printf(" -h, --help Show this screen\n");
1119 printf(" -H, --explain Show detailed explanation of usage and options\n");
1120 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1121 printf(" -t, --test Same as -d except no decoded file is written\n");
1122 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1123 printf(" -c, --stdout Write output to stdout\n");
1124 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1125 printf(" -o, --output-name=FILENAME Force the output file name\n");
1126 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1127 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1128 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1129 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1130 #ifdef FLAC__HAS_OGG
1131 printf(" --ogg Use Ogg as transport layer\n");
1132 printf(" --serial-number Serial number to use for the FLAC stream\n");
1134 printf("analysis options:\n");
1135 printf(" --residual-text Include residual signal in text output\n");
1136 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1137 printf("decoding options:\n");
1138 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1139 printf("encoding options:\n");
1140 printf(" -V, --verify Verify a correct encoding\n");
1141 printf(" --lax Allow encoder to generate non-Subset files\n");
1142 printf(" --sector-align Align multiple files on sector boundaries\n");
1143 printf(" --replay-gain Calculate ReplayGain & store in Vorbis comments\n");
1144 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1145 printf(" -T, --tag=FIELD=VALUE Add a Vorbis comment; may appear multiple times\n");
1146 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1147 printf(" -P, --padding=# Write a PADDING block of length #\n");
1148 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1149 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1150 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1151 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1152 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1153 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1154 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1155 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1156 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1157 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1158 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1159 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1160 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1161 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1162 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1163 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1164 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1165 printf("format options:\n");
1166 printf(" --endian={big|little} Set byte order for samples\n");
1167 printf(" --channels=# Number of channels\n");
1168 printf(" --bps=# Number of bits per sample\n");
1169 printf(" --sample-rate=# Sample rate in Hz\n");
1170 printf(" --sign={signed|unsigned} Sign of samples\n");
1171 printf(" --force-aiff-format Force decoding to AIFF format\n");
1172 printf(" --force-raw-format Treat input or output as raw samples\n");
1173 printf("negative options:\n");
1174 printf(" --no-adaptive-mid-side\n");
1175 printf(" --no-decode-through-errors\n");
1176 printf(" --no-delete-input-file\n");
1177 printf(" --no-exhaustive-model-search\n");
1178 printf(" --no-lax\n");
1179 printf(" --no-mid-side\n");
1180 #ifdef FLAC__HAS_OGG
1181 printf(" --no-ogg\n");
1183 printf(" --no-padding\n");
1184 printf(" --no-qlp-coeff-prec-search\n");
1185 printf(" --no-replay-gain\n");
1186 printf(" --no-residual-gnuplot\n");
1187 printf(" --no-residual-text\n");
1188 printf(" --no-sector-align\n");
1189 printf(" --no-seektable\n");
1190 printf(" --no-silent\n");
1191 printf(" --no-verify\n");
1198 printf("For encoding:\n");
1199 printf(" The input file(s) may be a PCM RIFF WAVE file, AIFF file, or raw samples.\n");
1200 printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n");
1201 printf("For decoding, the reverse is true.\n");
1203 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1204 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1205 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1206 printf("instead of:\n");
1207 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1208 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1209 printf("WAVE/AIFF header contents when necessary.\n");
1211 printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
1212 printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n");
1213 printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
1214 printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n");
1215 printf("files using -fr.\n");
1217 printf("general options:\n");
1218 printf(" -v, --version Show the flac version number\n");
1219 printf(" -h, --help Show basic usage a list of all options\n");
1220 printf(" -H, --explain Show this screen\n");
1221 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1222 printf(" -t, --test Same as -d except no decoded file is written\n");
1223 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1224 printf(" -c, --stdout Write output to stdout\n");
1225 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1226 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1227 printf(" changes the extension. May only be used when\n");
1228 printf(" encoding a single file. May not be used in\n");
1229 printf(" conjunction with --output-prefix.\n");
1230 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1231 printf(" STRING. This can be useful for encoding or\n");
1232 printf(" decoding files to a different directory. Make\n");
1233 printf(" sure if your STRING is a path name that it ends\n");
1234 printf(" with a '/' slash.\n");
1235 printf(" --delete-input-file Automatically delete the input file after a\n");
1236 printf(" successful encode or decode. If there was an\n");
1237 printf(" error (including a verify error) the input file\n");
1238 printf(" is left intact.\n");
1239 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1240 printf(" be used both for encoding and decoding. The\n");
1241 printf(" alternative form mm:ss.ss can be used to specify\n");
1242 printf(" minutes, seconds, and fractions of a second.\n");
1243 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1244 printf(" file. The given sample number is not included\n");
1245 printf(" in the decoded output. The alternative form\n");
1246 printf(" mm:ss.ss can be used to specify minutes,\n");
1247 printf(" seconds, and fractions of a second. If a `+'\n");
1248 printf(" sign is at the beginning, the --until point is\n");
1249 printf(" relative to the --skip point. If a `-' sign is\n");
1250 printf(" at the beginning, the --until point is relative\n");
1251 printf(" to end of the audio.\n");
1252 #ifdef FLAC__HAS_OGG
1253 printf(" --ogg When encoding, generate Ogg-FLAC output instead\n");
1254 printf(" of native-FLAC. Ogg-FLAC streams are FLAC\n");
1255 printf(" streams wrapped in an Ogg transport layer. The\n");
1256 printf(" resulting file should have an '.ogg' extension\n");
1257 printf(" and will still be decodable by flac. When\n");
1258 printf(" decoding, force the input to be treated as\n");
1259 printf(" Ogg-FLAC. This is useful when piping input\n");
1260 printf(" from stdin or when the filename does not end in\n");
1261 printf(" '.ogg'.\n");
1262 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1263 printf(" encoding and no serial number is given, flac\n");
1264 printf(" uses '0'. When decoding and no number is\n");
1265 printf(" given, flac uses the serial number of the first\n");
1268 printf("analysis options:\n");
1269 printf(" --residual-text Include residual signal in text output. This\n");
1270 printf(" will make the file very big, much larger than\n");
1271 printf(" even the decoded file.\n");
1272 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1273 printf(" of each subframe\n");
1274 printf("decoding options:\n");
1275 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1276 printf(" and removes the partially decoded file if it\n");
1277 printf(" encounters a bitstream error. With -F, errors\n");
1278 printf(" are still printed but flac will continue\n");
1279 printf(" decoding to completion. Note that errors may\n");
1280 printf(" cause the decoded audio to be missing some\n");
1281 printf(" samples or have silent sections.\n");
1282 printf("encoding options:\n");
1283 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1284 printf(" output in parallel and comparing to the\n");
1285 printf(" original\n");
1286 printf(" --lax Allow encoder to generate non-Subset files\n");
1287 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1288 printf(" on sector boundaries.\n");
1289 printf(" --replay-gain Calculate ReplayGain values and store in Vorbis\n");
1290 printf(" comments. Title gains/peaks will be computed\n");
1291 printf(" for each file, and an album gain/peak will be\n");
1292 printf(" computed for all files. All input files must\n");
1293 printf(" have the same resolution, sample rate, and\n");
1294 printf(" number of channels. The sample rate must be\n");
1295 printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
1296 printf(" or 48 kHz. NOTE: this option may also leave a\n");
1297 printf(" few extra bytes in the PADDING block.\n");
1298 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1299 printf(" a CUESHEET metadata block. This option may only\n");
1300 printf(" be used when encoding a single file. A\n");
1301 printf(" seekpoint will be added for each index point in\n");
1302 printf(" the cuesheet to the SEEKTABLE unless\n");
1303 printf(" --no-cued-seekpoints is specified.\n");
1304 printf(" -T, --tag=FIELD=VALUE Add a Vorbis comment. Make sure to quote the\n");
1305 printf(" comment if necessary. This option may appear\n");
1306 printf(" more than once to add several comments. NOTE:\n");
1307 printf(" all tags will be added to all encoded files.\n");
1308 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1309 printf(" # : a specific sample number for a seek point\n");
1310 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1311 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1312 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1313 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1314 printf(" ified union of all such values.\n");
1315 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1316 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1317 printf(" input size before starting.\n");
1318 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1319 printf(" either no seek point entered (if the input size is determinable\n");
1320 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1321 printf(" determinable)\n");
1322 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1323 printf(" block of the given length (in bytes) after the\n");
1324 printf(" STREAMINFO block. This is useful if you plan\n");
1325 printf(" to tag the file later with an APPLICATION\n");
1326 printf(" block; instead of having to rewrite the entire\n");
1327 printf(" file later just to insert your block, you can\n");
1328 printf(" write directly over the PADDING block. Note\n");
1329 printf(" that the total length of the PADDING block will\n");
1330 printf(" be 4 bytes longer than the length given because\n");
1331 printf(" of the 4 metadata block header bytes. You can\n");
1332 printf(" force no PADDING block at all to be written with\n");
1333 printf(" --no-padding. The encoder writes a PADDING\n");
1334 printf(" block of 4096 bytes by default.\n");
1335 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1336 printf(" 1152 for -l 0, else 4608; must be one of 192,\n");
1337 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1338 printf(" 4096, 8192, 16384, or 32768 (unless --lax is\n");
1340 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1341 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1342 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1343 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1344 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1345 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1346 printf(" -5 is the default setting\n");
1347 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1348 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1349 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1350 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1351 printf(" (stereo only)\n");
1352 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1353 printf(" (stereo only)\n");
1354 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1355 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1356 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1357 printf(" quantization (expensive!); overrides -q;\n");
1358 printf(" does nothing if using -l 0\n");
1359 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1360 printf(" linear-predictor coefficients; 0 => let\n");
1361 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1362 printf(" default is -q 0)\n");
1363 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1364 printf(" (# is 0..16; min defaults to 0; the\n");
1365 printf(" default is -r 0; above 4 doesn't usually\n");
1366 printf(" help much)\n");
1367 printf("format options:\n");
1368 printf(" --endian={big|little} Set byte order for samples\n");
1369 printf(" --channels=# Number of channels\n");
1370 printf(" --bps=# Number of bits per sample\n");
1371 printf(" --sample-rate=# Sample rate in Hz\n");
1372 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1373 printf(" --force-aiff-format Force the decoder to output AIFF format. This\n");
1374 printf(" option is not needed if the output filename (as\n");
1375 printf(" set by -o) ends with .aif or .aiff; this option\n");
1376 printf(" has no effect when encoding since input AIFF is\n");
1377 printf(" auto-detected.\n");
1378 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1379 printf(" decoding) to be treated as raw samples\n");
1380 printf("negative options:\n");
1381 printf(" --no-adaptive-mid-side\n");
1382 printf(" --no-decode-through-errors\n");
1383 printf(" --no-delete-input-file\n");
1384 printf(" --no-exhaustive-model-search\n");
1385 printf(" --no-lax\n");
1386 printf(" --no-mid-side\n");
1387 #ifdef FLAC__HAS_OGG
1388 printf(" --no-ogg\n");
1390 printf(" --no-padding\n");
1391 printf(" --no-qlp-coeff-prec-search\n");
1392 printf(" --no-residual-gnuplot\n");
1393 printf(" --no-residual-text\n");
1394 printf(" --no-sector-align\n");
1395 printf(" --no-seektable\n");
1396 printf(" --no-silent\n");
1397 printf(" --no-verify\n");
1401 format_mistake(const char *infilename, const char *wrong, const char *right)
1403 fprintf(stderr, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right);
1406 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1408 FILE *encode_infile;
1409 FLAC__byte lookahead[12];
1410 unsigned lookahead_length = 0;
1411 FileFormat fmt= RAW;
1414 encode_options_t common_options;
1415 const char *outfilename = get_encoded_outfilename(infilename);
1417 if(0 == outfilename) {
1418 fprintf(stderr, "ERROR: filename too long: %s", infilename);
1422 if(0 == strcmp(infilename, "-")) {
1424 encode_infile = grabbag__file_get_binary_stdin();
1427 infilesize = grabbag__file_get_filesize(infilename);
1428 if(0 == (encode_infile = fopen(infilename, "rb"))) {
1429 fprintf(stderr, "ERROR: can't open input file %s\n", infilename);
1434 if(!option_values.force_raw_format) {
1435 /* first set format based on name */
1436 if(strlen(infilename) >= 4 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".wav"))
1438 else if(strlen(infilename) >= 4 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".aif"))
1440 else if(strlen(infilename) >= 5 && 0 == strcasecmp(infilename+(strlen(infilename)-5), ".aiff"))
1443 /* attempt to guess the file type based on the first 12 bytes */
1444 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1446 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1450 if(!strncmp((const char *)lookahead, "RIFF", 4) && !strncmp((const char *)lookahead+8, "WAVE", 4))
1452 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFF", 4))
1456 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1462 if(option_values.sector_align && fmt == RAW && infilesize < 0) {
1463 fprintf(stderr, "ERROR: can't --sector-align when the input size is unknown\n");
1468 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)
1469 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1472 if(encode_infile == stdin || option_values.force_to_stdout) {
1473 if(option_values.replay_gain)
1474 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1477 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1478 return usage_error("ERROR: invalid value for --skip\n");
1480 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 */
1481 return usage_error("ERROR: invalid value for --until\n");
1482 /* if there is no "--until" we want to default to "--until=-0" */
1483 if(0 == option_values.until_specification)
1484 common_options.until_specification.is_relative = true;
1486 common_options.verbose = option_values.verbose;
1487 common_options.verify = option_values.verify;
1488 #ifdef FLAC__HAS_OGG
1489 common_options.use_ogg = option_values.use_ogg;
1490 common_options.has_serial_number = option_values.has_serial_number;
1491 common_options.serial_number = option_values.serial_number;
1493 common_options.lax = option_values.lax;
1494 common_options.do_mid_side = option_values.do_mid_side;
1495 common_options.loose_mid_side = option_values.loose_mid_side;
1496 common_options.do_exhaustive_model_search = option_values.do_exhaustive_model_search;
1497 common_options.do_escape_coding = option_values.do_escape_coding;
1498 common_options.do_qlp_coeff_prec_search = option_values.do_qlp_coeff_prec_search;
1499 common_options.min_residual_partition_order = option_values.min_residual_partition_order;
1500 common_options.max_residual_partition_order = option_values.max_residual_partition_order;
1501 common_options.rice_parameter_search_dist = option_values.rice_parameter_search_dist;
1502 common_options.max_lpc_order = option_values.max_lpc_order;
1503 common_options.blocksize = (unsigned)option_values.blocksize;
1504 common_options.qlp_coeff_precision = option_values.qlp_coeff_precision;
1505 common_options.padding = option_values.padding;
1506 common_options.requested_seek_points = option_values.requested_seek_points;
1507 common_options.num_requested_seek_points = option_values.num_requested_seek_points;
1508 common_options.cuesheet_filename = option_values.cuesheet_filename;
1509 common_options.cued_seekpoints = option_values.cued_seekpoints;
1510 common_options.is_first_file = is_first_file;
1511 common_options.is_last_file = is_last_file;
1512 common_options.align_reservoir = align_reservoir;
1513 common_options.align_reservoir_samples = &align_reservoir_samples;
1514 common_options.replay_gain = option_values.replay_gain;
1515 common_options.sector_align = option_values.sector_align;
1516 common_options.vorbis_comment = option_values.vorbis_comment;
1517 common_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1518 common_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1519 common_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1522 raw_encode_options_t options;
1524 options.common = common_options;
1525 options.is_big_endian = option_values.format_is_big_endian;
1526 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1527 options.channels = option_values.format_channels;
1528 options.bps = option_values.format_bps;
1529 options.sample_rate = option_values.format_sample_rate;
1531 retval = flac__encode_raw(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1534 wav_encode_options_t options;
1536 options.common = common_options;
1539 retval = flac__encode_aif(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1541 retval = flac__encode_wav(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1544 if(retval == 0 && strcmp(infilename, "-")) {
1545 if(strcmp(outfilename, "-")) {
1546 if(option_values.replay_gain) {
1547 float title_gain, title_peak;
1549 grabbag__replaygain_get_title(&title_gain, &title_peak);
1550 if(0 != (error = grabbag__replaygain_store_to_file_title(outfilename, title_gain, title_peak, /*preserve_modtime=*/true))) {
1551 fprintf(stderr, "%s: ERROR writing ReplayGain title tags\n", outfilename);
1554 grabbag__file_copy_metadata(infilename, outfilename);
1556 if(option_values.delete_input)
1563 int decode_file(const char *infilename)
1566 FLAC__bool treat_as_ogg = false;
1567 decode_options_t common_options;
1568 const char *outfilename = get_decoded_outfilename(infilename);
1570 if(0 == outfilename) {
1571 fprintf(stderr, "ERROR: filename too long: %s", infilename);
1575 if(!option_values.test_only && !option_values.analyze) {
1576 if(option_values.force_raw_format && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
1577 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
1580 if(option_values.use_ogg)
1581 treat_as_ogg = true;
1582 else if(strlen(infilename) >= 4 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".ogg"))
1583 treat_as_ogg = true;
1585 treat_as_ogg = false;
1587 #ifndef FLAC__HAS_OGG
1589 fprintf(stderr, "%s: Ogg support has not been built into this copy of flac\n", infilename);
1594 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1595 return usage_error("ERROR: invalid value for --skip\n");
1597 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 */
1598 return usage_error("ERROR: invalid value for --until\n");
1599 /* if there is no "--until" we want to default to "--until=-0" */
1600 if(0 == option_values.until_specification)
1601 common_options.until_specification.is_relative = true;
1603 common_options.verbose = option_values.verbose;
1604 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1605 common_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
1606 #ifdef FLAC__HAS_OGG
1607 common_options.is_ogg = treat_as_ogg;
1608 common_options.use_first_serial_number = !option_values.has_serial_number;
1609 common_options.serial_number = option_values.serial_number;
1612 if(!option_values.force_raw_format) {
1613 wav_decode_options_t options;
1615 options.common = common_options;
1618 option_values.force_aiff_format ||
1619 (strlen(outfilename) >= 4 && 0 == strcasecmp(outfilename+(strlen(outfilename)-4), ".aif")) ||
1620 (strlen(outfilename) >= 5 && 0 == strcasecmp(outfilename+(strlen(outfilename)-5), ".aiff"))
1622 retval = flac__decode_aiff(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1624 retval = flac__decode_wav(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1627 raw_decode_options_t options;
1629 options.common = common_options;
1630 options.is_big_endian = option_values.format_is_big_endian;
1631 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1633 retval = flac__decode_raw(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1636 if(retval == 0 && strcmp(infilename, "-")) {
1637 if(strcmp(outfilename, "-"))
1638 grabbag__file_copy_metadata(infilename, outfilename);
1639 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
1646 const char *get_encoded_outfilename(const char *infilename)
1648 const char *suffix = (option_values.use_ogg? ".ogg" : ".flac");
1649 return get_outfilename(infilename, suffix);
1652 const char *get_decoded_outfilename(const char *infilename)
1655 if(option_values.analyze) {
1658 else if(option_values.force_raw_format) {
1661 else if(option_values.force_aiff_format) {
1667 return get_outfilename(infilename, suffix);
1670 const char *get_outfilename(const char *infilename, const char *suffix)
1672 if(0 == option_values.cmdline_forced_outfilename) {
1673 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
1675 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
1676 strcpy(buffer, "-");
1680 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
1682 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
1684 if(0 == (p = strrchr(buffer, '.'))) {
1685 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1689 if(0 == strcmp(p, suffix)) {
1691 if (flac__strlcat(buffer, "_new", sizeof buffer) >= sizeof buffer)
1697 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1704 return option_values.cmdline_forced_outfilename;
1707 void die(const char *message)
1709 FLAC__ASSERT(0 != message);
1710 fprintf(stderr, "ERROR: %s\n", message);
1714 char *local_strdup(const char *source)
1717 FLAC__ASSERT(0 != source);
1718 if(0 == (ret = strdup(source)))
1719 die("out of memory during strdup()");