1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002 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/file_utils.h"
38 #include "share/replaygain.h"
42 #include "vorbiscomment.h"
45 /*[JEC] was:#if HAVE_GETOPT_LONG*/
46 /*[JEC] see flac/include/share/getopt.h as to why the change */
49 # include "share/getopt.h"
52 typedef enum { RAW, WAV, AIF } FileFormat;
56 static FLAC__bool init_options();
57 static int parse_options(int argc, char *argv[]);
58 static int parse_option(int short_option, const char *long_option, const char *option_argument);
59 static void free_options();
61 static int usage_error(const char *message, ...);
62 static void short_usage();
63 static void show_version();
64 static void show_help();
65 static void show_explain();
66 static void format_mistake(const char *infilename, const char *wrong, const char *right);
68 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
69 static int decode_file(const char *infilename);
71 static const char *get_encoded_outfilename(const char *infilename);
72 static const char *get_decoded_outfilename(const char *infilename);
74 static void die(const char *message);
75 static char *local_strdup(const char *source);
79 * FLAC__share__getopt format struct; note that for long options with no
80 * short option equivalent we just set the 'val' field to 0.
82 static struct FLAC__share__option long_options_[] = {
86 { "help", 0, 0, 'h' },
87 { "explain", 0, 0, 'H' },
88 { "version", 0, 0, 'v' },
89 { "decode", 0, 0, 'd' },
90 { "analyze", 0, 0, 'a' },
91 { "test", 0, 0, 't' },
92 { "stdout", 0, 0, 'c' },
93 { "silent", 0, 0, 's' },
94 { "delete-input-file", 0, 0, 0 },
95 { "output-prefix", 1, 0, 0 },
96 { "output-name", 1, 0, 'o' },
102 { "decode-through-errors", 0, 0, 'F' },
107 { "tag", 1, 0, 'T' },
108 { "compression-level-0", 0, 0, '0' },
109 { "compression-level-1", 0, 0, '1' },
110 { "compression-level-2", 0, 0, '2' },
111 { "compression-level-3", 0, 0, '3' },
112 { "compression-level-4", 0, 0, '4' },
113 { "compression-level-5", 0, 0, '5' },
114 { "compression-level-6", 0, 0, '6' },
115 { "compression-level-7", 0, 0, '7' },
116 { "compression-level-8", 0, 0, '8' },
117 { "compression-level-9", 0, 0, '9' },
118 { "best", 0, 0, '8' },
119 { "fast", 0, 0, '0' },
120 { "super-secret-impractical-compression-level", 0, 0, 0 },
121 { "verify", 0, 0, 'V' },
122 { "force-raw-format", 0, 0, 0 },
124 { "replay-gain", 0, 0, 0 },
125 { "sector-align", 0, 0, 0 },
126 { "seekpoint", 1, 0, 'S' },
127 { "padding", 1, 0, 'P' },
130 { "serial-number", 1, 0, 0 },
132 { "blocksize", 1, 0, 'b' },
133 { "exhaustive-model-search", 0, 0, 'e' },
135 /* @@@ deprecated: */
136 { "escape-coding", 0, 0, 'E' },
138 { "max-lpc-order", 1, 0, 'l' },
139 { "mid-side", 0, 0, 'm' },
140 { "adaptive-mid-side", 0, 0, 'M' },
141 { "qlp-coeff-precision-search", 0, 0, 'p' },
142 { "qlp-coeff-precision", 1, 0, 'q' },
143 { "rice-partition-order", 1, 0, 'r' },
145 /* @@@ deprecated: */
146 { "rice-parameter-search-distance", 1, 0, 'R' },
148 { "endian", 1, 0, 0 },
149 { "channels", 1, 0, 0 },
151 { "sample-rate", 1, 0, 0 },
157 { "residual-gnu-plot", 0, 0, 0 },
158 { "residual-text", 0, 0, 0 },
163 { "no-decode-through-errors", 0, 0, 0 },
164 { "no-silent", 0, 0, 0 },
165 { "no-seektable", 0, 0, 0 },
166 { "no-delete-input-file", 0, 0, 0 },
167 { "no-replay-gain", 0, 0, 0 },
168 { "no-sector-align", 0, 0, 0 },
169 { "no-lax", 0, 0, 0 },
171 { "no-ogg", 0, 0, 0 },
173 { "no-exhaustive-model-search", 0, 0, 0 },
175 /* @@@ deprecated: */
176 { "no-escape-coding", 0, 0, 0 },
178 { "no-mid-side", 0, 0, 0 },
179 { "no-adaptive-mid-side", 0, 0, 0 },
180 { "no-qlp-coeff-prec-search", 0, 0, 0 },
181 { "no-padding", 0, 0, 0 },
182 { "no-verify", 0, 0, 0 },
183 { "no-residual-gnuplot", 0, 0, 0 },
184 { "no-residual-text", 0, 0, 0 },
186 * undocumented debugging options for the test suite
188 { "disable-constant-subframes", 0, 0, 0 },
189 { "disable-fixed-subframes", 0, 0, 0 },
190 { "disable-verbatim-subframes", 0, 0, 0 },
197 * global to hold command-line option values
201 FLAC__bool show_help;
202 FLAC__bool show_explain;
203 FLAC__bool show_version;
204 FLAC__bool mode_decode;
207 FLAC__bool continue_through_decode_errors;
209 FLAC__bool test_only;
212 FLAC__bool has_serial_number; /* true iff --serial-number was used */
213 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
214 FLAC__bool do_mid_side;
215 FLAC__bool loose_mid_side;
216 FLAC__bool do_exhaustive_model_search;
217 FLAC__bool do_escape_coding;
218 FLAC__bool do_qlp_coeff_prec_search;
219 FLAC__bool force_to_stdout;
220 FLAC__bool force_raw_format;
221 FLAC__bool delete_input;
222 FLAC__bool replay_gain;
223 FLAC__bool sector_align;
224 const char *cmdline_forced_outfilename;
225 const char *output_prefix;
226 analysis_options aopts;
228 unsigned max_lpc_order;
229 unsigned qlp_coeff_precision;
231 int format_is_big_endian;
232 int format_is_unsigned_samples;
235 int format_sample_rate;
237 int min_residual_partition_order;
238 int max_residual_partition_order;
239 int rice_parameter_search_dist;
240 char requested_seek_points[50000]; /* @@@ bad MAGIC NUMBER */
241 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
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(option_values.skip > 0)
334 return usage_error("ERROR: --skip is not allowed in test mode\n");
338 FLAC__ASSERT(option_values.blocksize >= 0 || option_values.mode_decode);
340 if(option_values.format_channels >= 0) {
341 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
342 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
344 if(option_values.format_bps >= 0) {
345 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
346 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
348 if(option_values.format_sample_rate >= 0) {
349 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
350 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
352 if(option_values.mode_decode) {
353 if(!option_values.force_raw_format) {
354 if(option_values.format_is_big_endian >= 0)
355 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
356 if(option_values.format_is_unsigned_samples >= 0)
357 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
359 if(option_values.format_channels >= 0)
360 return usage_error("ERROR: --channels not allowed with --decode\n");
361 if(option_values.format_bps >= 0)
362 return usage_error("ERROR: --bps not allowed with --decode\n");
363 if(option_values.format_sample_rate >= 0)
364 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
366 if(!option_values.mode_decode && ((unsigned)option_values.blocksize < FLAC__MIN_BLOCK_SIZE || (unsigned)option_values.blocksize > FLAC__MAX_BLOCK_SIZE)) {
367 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);
369 if(option_values.qlp_coeff_precision > 0 && option_values.qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION) {
370 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);
373 if(option_values.sector_align) {
374 if(option_values.mode_decode)
375 return usage_error("ERROR: --sector-align only allowed for encoding\n");
376 if(option_values.skip > 0)
377 return usage_error("ERROR: --sector-align not allowed with --skip\n");
378 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
379 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
380 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
381 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
382 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
383 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
385 if(option_values.replay_gain) {
386 if(option_values.force_to_stdout)
387 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
388 if(option_values.mode_decode)
389 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
390 if(option_values.format_channels > 2)
391 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
392 if(option_values.format_sample_rate >= 0 && !FLAC__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
393 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
395 * We want to reserve padding space for the ReplayGain
396 * tags that we will set later, to avoid rewriting the
399 if(option_values.padding < 0) {
400 fprintf(stderr, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
401 option_values.padding = FLAC__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
404 option_values.padding += FLAC__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
407 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
408 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
410 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
411 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
414 if(option_values.verbose) {
415 fprintf(stderr, "\n");
416 fprintf(stderr, "flac %s, Copyright (C) 2000,2001,2002 Josh Coalson\n", FLAC__VERSION_STRING);
417 fprintf(stderr, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
418 fprintf(stderr, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
420 if(!option_values.mode_decode) {
422 if(option_values.padding < 0)
425 sprintf(padopt, " %d", option_values.padding);
427 "options:%s%s%s%s -P%s -b %u%s -l %u%s%s%s -q %u -r %u,%u%s\n",
428 option_values.delete_input?" --delete-input-file":"",
429 option_values.sector_align?" --sector-align":"",
430 option_values.use_ogg?" --ogg":"",
431 option_values.lax?" --lax":"",
433 (unsigned)option_values.blocksize,
434 option_values.loose_mid_side?" -M":option_values.do_mid_side?" -m":"",
435 option_values.max_lpc_order,
436 option_values.do_exhaustive_model_search?" -e":"",
437 option_values.do_escape_coding?" -E":"",
438 option_values.do_qlp_coeff_prec_search?" -p":"",
439 option_values.qlp_coeff_precision,
440 (unsigned)option_values.min_residual_partition_order,
441 (unsigned)option_values.max_residual_partition_order,
442 option_values.verify? " -V":""
447 if(option_values.mode_decode) {
448 FLAC__bool first = true;
450 if(option_values.num_files == 0) {
451 retval = decode_file("-");
455 if(option_values.num_files > 1)
456 option_values.cmdline_forced_outfilename = 0;
457 for(i = 0, retval = 0; i < option_values.num_files; i++) {
458 if(0 == strcmp(option_values.filenames[i], "-") && !first)
460 retval |= decode_file(option_values.filenames[i]);
466 FLAC__bool first = true;
468 if(option_values.num_files == 0) {
469 retval = encode_file("-", first, true);
473 if(option_values.num_files > 1)
474 option_values.cmdline_forced_outfilename = 0;
475 for(i = 0, retval = 0; i < option_values.num_files; i++) {
476 if(0 == strcmp(option_values.filenames[i], "-") && !first)
478 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
481 if(option_values.replay_gain && retval == 0) {
482 float album_gain, album_peak;
483 FLAC__replaygain_get_album(&album_gain, &album_peak);
484 for(i = 0; i < option_values.num_files; i++) {
485 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
486 if(0 == strcmp(option_values.filenames[i], "-"))
488 if(0 != (error = FLAC__replaygain_store_to_file_album(outfilename, album_gain, album_peak, /*preserve_modtime=*/true))) {
489 fprintf(stderr, "%s: ERROR writing ReplayGain album tags\n", outfilename);
500 FLAC__bool init_options()
502 option_values.show_help = false;
503 option_values.show_explain = false;
504 option_values.mode_decode = false;
505 option_values.verify = false;
506 option_values.verbose = true;
507 option_values.continue_through_decode_errors = false;
508 option_values.lax = false;
509 option_values.test_only = false;
510 option_values.analyze = false;
511 option_values.use_ogg = false;
512 option_values.has_serial_number = false;
513 option_values.serial_number = 0;
514 option_values.do_mid_side = true;
515 option_values.loose_mid_side = false;
516 option_values.do_exhaustive_model_search = false;
517 option_values.do_escape_coding = false;
518 option_values.do_qlp_coeff_prec_search = false;
519 option_values.force_to_stdout = false;
520 option_values.force_raw_format = false;
521 option_values.delete_input = false;
522 option_values.replay_gain = false;
523 option_values.sector_align = false;
524 option_values.cmdline_forced_outfilename = 0;
525 option_values.output_prefix = 0;
526 option_values.aopts.do_residual_text = false;
527 option_values.aopts.do_residual_gnuplot = false;
528 option_values.padding = 4096;
529 option_values.max_lpc_order = 8;
530 option_values.qlp_coeff_precision = 0;
531 option_values.skip = 0;
532 option_values.format_is_big_endian = -1;
533 option_values.format_is_unsigned_samples = -1;
534 option_values.format_channels = -1;
535 option_values.format_bps = -1;
536 option_values.format_sample_rate = -1;
537 option_values.blocksize = -1;
538 option_values.min_residual_partition_order = -1;
539 option_values.max_residual_partition_order = -1;
540 option_values.rice_parameter_search_dist = -1;
541 option_values.requested_seek_points[0] = '\0';
542 option_values.num_requested_seek_points = -1;
544 option_values.num_files = 0;
545 option_values.filenames = 0;
547 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
550 option_values.debug.disable_constant_subframes = false;
551 option_values.debug.disable_fixed_subframes = false;
552 option_values.debug.disable_verbatim_subframes = false;
557 int parse_options(int argc, char *argv[])
560 int option_index = 1;
561 FLAC__bool had_error = false;
562 /*@@@ E and R: are deprecated */
563 const char *short_opts = "0123456789ab:cdeFhHl:mMo:pP:q:r:sS:tT:vV";
565 while ((short_option = FLAC__share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
566 switch (short_option) {
567 case 0: /* long option with no equivalent short option */
568 had_error |= (parse_option(short_option, long_options_[option_index].name, FLAC__share__optarg) != 0);
574 default: /* short option */
575 had_error |= (parse_option(short_option, 0, FLAC__share__optarg) != 0);
584 FLAC__ASSERT(FLAC__share__optind <= argc);
586 option_values.num_files = argc - FLAC__share__optind;
588 if(option_values.num_files > 0) {
590 if(0 == (option_values.filenames = malloc(sizeof(char *) * option_values.num_files)))
591 die("out of memory allocating space for file names list");
592 while(FLAC__share__optind < argc)
593 option_values.filenames[i++] = local_strdup(argv[FLAC__share__optind++]);
599 int parse_option(int short_option, const char *long_option, const char *option_argument)
603 if(short_option == 0) {
604 FLAC__ASSERT(0 != long_option);
605 if(0 == strcmp(long_option, "delete-input-file")) {
606 option_values.delete_input = true;
608 else if(0 == strcmp(long_option, "output-prefix")) {
609 FLAC__ASSERT(0 != option_argument);
610 option_values.output_prefix = option_argument;
612 else if(0 == strcmp(long_option, "skip")) {
613 FLAC__ASSERT(0 != option_argument);
614 option_values.skip = (FLAC__uint64)atoi(option_argument); /* @@@ takes a pretty damn big file to overflow atoi() here, but it could happen */
616 else if(0 == strcmp(long_option, "super-secret-impractical-compression-level")) {
617 option_values.do_exhaustive_model_search = true;
618 option_values.do_escape_coding = true;
619 option_values.do_mid_side = true;
620 option_values.loose_mid_side = false;
621 option_values.do_qlp_coeff_prec_search = true;
622 option_values.min_residual_partition_order = 0;
623 option_values.max_residual_partition_order = 16;
624 option_values.rice_parameter_search_dist = 0;
625 option_values.max_lpc_order = 32;
627 else if(0 == strcmp(long_option, "force-raw-format")) {
628 option_values.force_raw_format = true;
630 else if(0 == strcmp(long_option, "lax")) {
631 option_values.lax = true;
633 else if(0 == strcmp(long_option, "replay-gain")) {
634 option_values.replay_gain = true;
636 else if(0 == strcmp(long_option, "sector-align")) {
637 option_values.sector_align = true;
640 else if(0 == strcmp(long_option, "ogg")) {
641 option_values.use_ogg = true;
643 else if(0 == strcmp(long_option, "serial-number")) {
644 option_values.has_serial_number = true;
645 option_values.serial_number = atol(option_argument);
648 else if(0 == strcmp(long_option, "endian")) {
649 FLAC__ASSERT(0 != option_argument);
650 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
651 option_values.format_is_big_endian = true;
652 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
653 option_values.format_is_big_endian = false;
655 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
657 else if(0 == strcmp(long_option, "channels")) {
658 FLAC__ASSERT(0 != option_argument);
659 option_values.format_channels = atoi(option_argument);
661 else if(0 == strcmp(long_option, "bps")) {
662 FLAC__ASSERT(0 != option_argument);
663 option_values.format_bps = atoi(option_argument);
665 else if(0 == strcmp(long_option, "sample-rate")) {
666 FLAC__ASSERT(0 != option_argument);
667 option_values.format_sample_rate = atoi(option_argument);
669 else if(0 == strcmp(long_option, "sign")) {
670 FLAC__ASSERT(0 != option_argument);
671 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
672 option_values.format_is_unsigned_samples = false;
673 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
674 option_values.format_is_unsigned_samples = true;
676 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
678 else if(0 == strcmp(long_option, "residual-gnu-plot")) {
679 option_values.aopts.do_residual_gnuplot = true;
681 else if(0 == strcmp(long_option, "residual-text")) {
682 option_values.aopts.do_residual_text = true;
687 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
688 option_values.continue_through_decode_errors = false;
690 else if(0 == strcmp(long_option, "no-silent")) {
691 option_values.verbose = true;
693 else if(0 == strcmp(long_option, "no-seektable")) {
694 option_values.num_requested_seek_points = 0;
695 option_values.requested_seek_points[0] = '\0';
697 else if(0 == strcmp(long_option, "no-delete-input-file")) {
698 option_values.delete_input = false;
700 else if(0 == strcmp(long_option, "no-replay-gain")) {
701 option_values.replay_gain = false;
703 else if(0 == strcmp(long_option, "no-sector-align")) {
704 option_values.sector_align = false;
706 else if(0 == strcmp(long_option, "no-lax")) {
707 option_values.lax = false;
710 else if(0 == strcmp(long_option, "no-ogg")) {
711 option_values.use_ogg = false;
714 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
715 option_values.do_exhaustive_model_search = false;
718 /* @@@ deprecated: */
719 else if(0 == strcmp(long_option, "no-escape-coding")) {
720 option_values.do_escape_coding = false;
723 else if(0 == strcmp(long_option, "no-mid-side")) {
724 option_values.do_mid_side = option_values.loose_mid_side = false;
726 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
727 option_values.loose_mid_side = option_values.do_mid_side = false;
729 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
730 option_values.do_qlp_coeff_prec_search = false;
732 else if(0 == strcmp(long_option, "no-padding")) {
733 option_values.padding = -1;
735 else if(0 == strcmp(long_option, "no-verify")) {
736 option_values.verify = false;
738 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
739 option_values.aopts.do_residual_gnuplot = false;
741 else if(0 == strcmp(long_option, "no-residual-text")) {
742 option_values.aopts.do_residual_text = false;
744 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
745 option_values.debug.disable_constant_subframes = true;
747 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
748 option_values.debug.disable_fixed_subframes = true;
750 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
751 option_values.debug.disable_verbatim_subframes = true;
755 const char *violation;
756 switch(short_option) {
758 option_values.show_help = true;
761 option_values.show_explain = true;
764 option_values.show_version = true;
767 option_values.mode_decode = true;
770 option_values.mode_decode = true;
771 option_values.analyze = true;
774 option_values.mode_decode = true;
775 option_values.test_only = true;
778 option_values.force_to_stdout = true;
781 option_values.verbose = false;
784 FLAC__ASSERT(0 != option_argument);
785 option_values.cmdline_forced_outfilename = option_argument;
788 option_values.continue_through_decode_errors = true;
791 FLAC__ASSERT(0 != option_argument);
792 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, &violation))
793 return usage_error("ERROR: (-T/--tag) %s\n", violation);
796 option_values.do_exhaustive_model_search = false;
797 option_values.do_escape_coding = false;
798 option_values.do_mid_side = false;
799 option_values.loose_mid_side = false;
800 option_values.qlp_coeff_precision = 0;
801 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
802 option_values.rice_parameter_search_dist = 0;
803 option_values.max_lpc_order = 0;
806 option_values.do_exhaustive_model_search = false;
807 option_values.do_escape_coding = false;
808 option_values.do_mid_side = true;
809 option_values.loose_mid_side = true;
810 option_values.qlp_coeff_precision = 0;
811 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
812 option_values.rice_parameter_search_dist = 0;
813 option_values.max_lpc_order = 0;
816 option_values.do_exhaustive_model_search = false;
817 option_values.do_escape_coding = false;
818 option_values.do_mid_side = true;
819 option_values.loose_mid_side = false;
820 option_values.qlp_coeff_precision = 0;
821 option_values.min_residual_partition_order = 0;
822 option_values.max_residual_partition_order = 3;
823 option_values.rice_parameter_search_dist = 0;
824 option_values.max_lpc_order = 0;
827 option_values.do_exhaustive_model_search = false;
828 option_values.do_escape_coding = false;
829 option_values.do_mid_side = false;
830 option_values.loose_mid_side = false;
831 option_values.qlp_coeff_precision = 0;
832 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
833 option_values.rice_parameter_search_dist = 0;
834 option_values.max_lpc_order = 6;
837 option_values.do_exhaustive_model_search = false;
838 option_values.do_escape_coding = false;
839 option_values.do_mid_side = true;
840 option_values.loose_mid_side = true;
841 option_values.qlp_coeff_precision = 0;
842 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
843 option_values.rice_parameter_search_dist = 0;
844 option_values.max_lpc_order = 8;
847 option_values.do_exhaustive_model_search = false;
848 option_values.do_escape_coding = false;
849 option_values.do_mid_side = true;
850 option_values.loose_mid_side = false;
851 option_values.qlp_coeff_precision = 0;
852 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
853 option_values.rice_parameter_search_dist = 0;
854 option_values.max_lpc_order = 8;
857 option_values.do_exhaustive_model_search = false;
858 option_values.do_escape_coding = false;
859 option_values.do_mid_side = true;
860 option_values.loose_mid_side = false;
861 option_values.qlp_coeff_precision = 0;
862 option_values.min_residual_partition_order = 0;
863 option_values.max_residual_partition_order = 4;
864 option_values.rice_parameter_search_dist = 0;
865 option_values.max_lpc_order = 8;
868 option_values.do_exhaustive_model_search = true;
869 option_values.do_escape_coding = false;
870 option_values.do_mid_side = true;
871 option_values.loose_mid_side = false;
872 option_values.qlp_coeff_precision = 0;
873 option_values.min_residual_partition_order = 0;
874 option_values.max_residual_partition_order = 6;
875 option_values.rice_parameter_search_dist = 0;
876 option_values.max_lpc_order = 8;
879 option_values.do_exhaustive_model_search = true;
880 option_values.do_escape_coding = false;
881 option_values.do_mid_side = true;
882 option_values.loose_mid_side = false;
883 option_values.qlp_coeff_precision = 0;
884 option_values.min_residual_partition_order = 0;
885 option_values.max_residual_partition_order = 6;
886 option_values.rice_parameter_search_dist = 0;
887 option_values.max_lpc_order = 12;
890 return usage_error("ERROR: compression level '9' is reserved\n");
892 option_values.verify = true;
895 FLAC__ASSERT(0 != option_argument);
896 if(option_values.num_requested_seek_points < 0)
897 option_values.num_requested_seek_points = 0;
898 option_values.num_requested_seek_points++;
899 strcat(option_values.requested_seek_points, option_argument);
900 strcat(option_values.requested_seek_points, "<");
903 FLAC__ASSERT(0 != option_argument);
904 option_values.padding = atoi(option_argument);
905 if(option_values.padding < 0)
906 return usage_error("ERROR: argument to -P must be >= 0\n");
909 FLAC__ASSERT(0 != option_argument);
910 option_values.blocksize = atoi(option_argument);
913 option_values.do_exhaustive_model_search = true;
916 option_values.do_escape_coding = true;
919 FLAC__ASSERT(0 != option_argument);
920 option_values.max_lpc_order = atoi(option_argument);
923 option_values.do_mid_side = true;
924 option_values.loose_mid_side = false;
927 option_values.loose_mid_side = option_values.do_mid_side = true;
930 option_values.do_qlp_coeff_prec_search = true;
933 FLAC__ASSERT(0 != option_argument);
934 option_values.qlp_coeff_precision = atoi(option_argument);
937 FLAC__ASSERT(0 != option_argument);
938 p = strchr(option_argument, ',');
940 option_values.min_residual_partition_order = 0;
941 option_values.max_residual_partition_order = atoi(option_argument);
944 option_values.min_residual_partition_order = atoi(option_argument);
945 option_values.max_residual_partition_order = atoi(++p);
949 FLAC__ASSERT(0 != option_argument);
950 option_values.rice_parameter_search_dist = atoi(option_argument);
962 if(0 != option_values.filenames)
963 free(option_values.filenames);
964 if(0 != option_values.vorbis_comment)
965 FLAC__metadata_object_delete(option_values.vorbis_comment);
968 int usage_error(const char *message, ...)
972 FLAC__ASSERT(0 != message);
974 va_start(args, message);
976 (void) vfprintf(stderr, message, args);
980 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
987 printf("flac %s\n", FLAC__VERSION_STRING);
990 static void usage_header()
992 printf("===============================================================================\n");
993 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
994 printf("Copyright (C) 2000,2001,2002 Josh Coalson\n");
996 printf("This program is free software; you can redistribute it and/or\n");
997 printf("modify it under the terms of the GNU General Public License\n");
998 printf("as published by the Free Software Foundation; either version 2\n");
999 printf("of the License, or (at your option) any later version.\n");
1001 printf("This program is distributed in the hope that it will be useful,\n");
1002 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1003 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1004 printf("GNU General Public License for more details.\n");
1006 printf("You should have received a copy of the GNU General Public License\n");
1007 printf("along with this program; if not, write to the Free Software\n");
1008 printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
1009 printf("===============================================================================\n");
1012 static void usage_summary()
1016 printf(" Encoding: flac [-s] [--skip #] [<encoding/format-options>] [INPUTFILE [...]]\n");
1017 printf(" Decoding: flac -d [-s] [--skip #] [-F] [<format-options>] [INPUTFILE [...]]\n");
1018 printf(" Testing: flac -t [-s] [INPUTFILE [...]]\n");
1019 printf("Analyzing: flac -a [-s] [--skip #] [<analysis-options>] [INPUTFILE [...]]\n");
1027 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1028 printf("instructions use 'flac --explain'\n");
1030 printf("To encode:\n");
1031 printf(" flac [-#] [INPUTFILE [...]]\n");
1033 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1035 printf("To decode:\n");
1036 printf(" flac -d [INPUTFILE [...]]\n");
1038 printf("To test:\n");
1039 printf(" flac -t [INPUTFILE [...]]\n");
1046 printf("generic options:\n");
1047 printf(" -v, --version Show the flac version number\n");
1048 printf(" -h, --help Show this screen\n");
1049 printf(" -H, --explain Show detailed explanation of usage and options\n");
1050 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1051 printf(" -t, --test Same as -d except no decoded file is written\n");
1052 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1053 printf(" -c, --stdout Write output to stdout\n");
1054 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1055 printf(" -o, --output-name=FILENAME Force the output file name\n");
1056 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1057 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1058 printf(" --skip=# Skip the first # samples of each input file\n");
1059 printf("analysis options:\n");
1060 printf(" --residual-text Include residual signal in text output\n");
1061 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1062 printf("decoding options:\n");
1063 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1064 printf("encoding options:\n");
1065 printf(" -V, --verify Verify a correct encoding\n");
1066 #ifdef FLAC__HAS_OGG
1067 printf(" --ogg Use Ogg as transport layer\n");
1068 printf(" --serial-number Serial number to use for the FLAC stream\n");
1070 printf(" --lax Allow encoder to generate non-Subset files\n");
1071 printf(" --sector-align Align multiple files on sector boundaries\n");
1072 printf(" --replay-gain Calculate ReplayGain & store in Vorbis comments\n");
1073 printf(" -S, --seekpoint={#|X|#x} Add seek point(s)\n");
1074 printf(" -P, --padding=# Write a PADDING block of length #\n");
1075 printf(" -T, --tag=FIELD=VALUE Add a Vorbis comment; may appear multiple times\n");
1076 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1077 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1078 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1079 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1080 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1081 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1082 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1083 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1084 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1085 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1086 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1087 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1088 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1090 /*@@@ deprecated: */
1091 printf(" -E, --escape-coding Do escape coding in the entropy coder\n");
1093 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1094 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1095 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1096 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1098 /*@@@ deprecated: */
1099 printf(" -R, -rice-parameter-search-distance=# Rice parameter search distance\n");
1101 printf("format options:\n");
1102 printf(" --endian={big|little} Set byte order for samples\n");
1103 printf(" --channels=# Number of channels\n");
1104 printf(" --bps=# Number of bits per sample\n");
1105 printf(" --sample-rate=# Sample rate in Hz\n");
1106 printf(" --sign={signed|unsigned} Sign of samples\n");
1107 printf(" --force-raw-format Treat input or output as raw samples\n");
1108 printf("negative options:\n");
1109 printf(" --no-adaptive-mid-side\n");
1110 printf(" --no-decode-through-errors\n");
1111 printf(" --no-delete-input-file\n");
1113 /* @@@ deprecated: */
1114 printf(" --no-escape-coding\n");
1116 printf(" --no-exhaustive-model-search\n");
1117 printf(" --no-lax\n");
1118 printf(" --no-mid-side\n");
1119 #ifdef FLAC__HAS_OGG
1120 printf(" --no-ogg\n");
1122 printf(" --no-padding\n");
1123 printf(" --no-qlp-coeff-prec-search\n");
1124 printf(" --no-replay-gain\n");
1125 printf(" --no-residual-gnuplot\n");
1126 printf(" --no-residual-text\n");
1127 printf(" --no-sector-align\n");
1128 printf(" --no-seektable\n");
1129 printf(" --no-silent\n");
1130 printf(" --no-verify\n");
1137 printf("For encoding:\n");
1138 printf(" The input file(s) may be a PCM RIFF WAVE file, AIFF file, or raw samples.\n");
1139 printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n");
1140 printf("For decoding, the reverse is true.\n");
1142 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1143 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1144 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1145 printf("instead of:\n");
1146 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1147 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1148 printf("WAVE/AIFF header contents when necessary.\n");
1150 printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
1151 printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n");
1152 printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
1153 printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n");
1154 printf("files using -fr.\n");
1156 printf("generic options:\n");
1157 printf(" -v, --version Show the flac version number\n");
1158 printf(" -h, --help Show basic usage a list of all options\n");
1159 printf(" -H, --explain Show this screen\n");
1160 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1161 printf(" -t, --test Same as -d except no decoded file is written\n");
1162 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1163 printf(" -c, --stdout Write output to stdout\n");
1164 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1165 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1166 printf(" changes the extension. May only be used when\n");
1167 printf(" encoding a single file. May not be used in\n");
1168 printf(" conjunction with --output-prefix.\n");
1169 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1170 printf(" STRING. This can be useful for encoding or\n");
1171 printf(" decoding files to a different directory. Make\n");
1172 printf(" sure if your STRING is a path name that it ends\n");
1173 printf(" with a '/' slash.\n");
1174 printf(" --delete-input-file Automatically delete the input file after a\n");
1175 printf(" successful encode or decode. If there was an\n");
1176 printf(" error (including a verify error) the input file\n");
1177 printf(" is left intact.\n");
1178 printf(" --skip=# Skip the first # samples of each input file; can\n");
1179 printf(" be used both for encoding and decoding\n");
1180 printf("analysis options:\n");
1181 printf(" --residual-text Include residual signal in text output. This\n");
1182 printf(" will make the file very big, much larger than\n");
1183 printf(" even the decoded file.\n");
1184 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1185 printf(" of each subframe\n");
1186 printf("decoding options:\n");
1187 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1188 printf(" and removes the partially decoded file if it\n");
1189 printf(" encounters a bitstream error. With -F, errors\n");
1190 printf(" are still printed but flac will continue\n");
1191 printf(" decoding to completion. Note that errors may\n");
1192 printf(" cause the decoded audio to be missing some\n");
1193 printf(" samples or have silent sections.\n");
1194 printf("encoding options:\n");
1195 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1196 printf(" output in parallel and comparing to the\n");
1197 printf(" original\n");
1198 #ifdef FLAC__HAS_OGG
1199 printf(" --ogg When encoding, generate Ogg-FLAC output instead\n");
1200 printf(" of native-FLAC. Ogg-FLAC streams are FLAC\n");
1201 printf(" streams wrapped in an Ogg transport layer. The\n");
1202 printf(" resulting file should have an '.ogg' extension\n");
1203 printf(" and will still be decodable by flac. When\n");
1204 printf(" decoding, force the input to be treated as\n");
1205 printf(" Ogg-FLAC. This is useful when piping input\n");
1206 printf(" from stdin or when the filename does not end in\n");
1207 printf(" '.ogg'.\n");
1208 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1209 printf(" encoding and no serial number is given, flac\n");
1210 printf(" uses '0'. When decoding and no number is\n");
1211 printf(" given, flac uses the serial number of the first\n");
1214 printf(" --lax Allow encoder to generate non-Subset files\n");
1215 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1216 printf(" on sector boundaries.\n");
1217 printf(" --replay-gain Calculate ReplayGain values and store in Vorbis\n");
1218 printf(" comments. Title gains/peaks will be computed\n");
1219 printf(" for each file, and an album gain/peak will be\n");
1220 printf(" computed for all files. All input files must\n");
1221 printf(" have the same resolution, sample rate, and\n");
1222 printf(" number of channels. The sample rate must be\n");
1223 printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
1224 printf(" or 48 kHz. NOTE: this option may also leave a\n");
1225 printf(" few extra bytes in the PADDING block.\n");
1226 printf(" -S, --seekpoint={#|X|#x} Include a point or points in a SEEKTABLE\n");
1227 printf(" # : a specific sample number for a seek point\n");
1228 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1229 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1230 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1231 printf(" ified union of all such values.\n");
1232 printf(" With no -S options, flac defaults to '-S 100x'. Use -S- for no SEEKTABLE.\n");
1233 printf(" Note: -S #x will not work if the encoder can't determine the input size\n");
1234 printf(" before starting.\n");
1235 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1236 printf(" either no seek point entered (if the input size is determinable\n");
1237 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1238 printf(" determinable)\n");
1239 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1240 printf(" block of the given length (in bytes) after the\n");
1241 printf(" STREAMINFO block. This is useful if you plan\n");
1242 printf(" to tag the file later with an APPLICATION\n");
1243 printf(" block; instead of having to rewrite the entire\n");
1244 printf(" file later just to insert your block, you can\n");
1245 printf(" write directly over the PADDING block. Note\n");
1246 printf(" that the total length of the PADDING block will\n");
1247 printf(" be 4 bytes longer than the length given because\n");
1248 printf(" of the 4 metadata block header bytes. You can\n");
1249 printf(" force no PADDING block at all to be written with\n");
1250 printf(" --no-padding, which is the default.\n");
1251 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1252 printf(" 1152 for -l 0, else 4608; must be one of 192,\n");
1253 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1254 printf(" 4096, 8192, 16384, or 32768 (unless --lax is\n");
1256 printf(" -T, --tag=FIELD=VALUE Add a Vorbis comment. Make sure to quote the\n");
1257 printf(" comment if necessary. This option may appear\n");
1258 printf(" more than once to add several comments. NOTE:\n");
1259 printf(" all tags will be added to all encoded files.\n");
1260 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1261 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1262 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1263 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1264 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1265 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1266 printf(" -5 is the default setting\n");
1267 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1268 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1269 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1270 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1271 printf(" (stereo only)\n");
1272 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1273 printf(" (stereo only)\n");
1274 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1276 /*@@@ deprecated: */
1277 printf(" -E, --escape-coding Do escape coding in the entropy coder.\n");
1278 printf(" This causes the encoder to use an\n");
1279 printf(" unencoded representation of the residual\n");
1280 printf(" in a partition if it is smaller. It\n");
1281 printf(" increases the runtime and usually results\n");
1282 printf(" in an improvement of less than 1%.\n");
1284 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1285 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1286 printf(" quantization (expensive!); overrides -q;\n");
1287 printf(" does nothing if using -l 0\n");
1288 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1289 printf(" linear-predictor coefficients; 0 => let\n");
1290 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1291 printf(" default is -q 0)\n");
1292 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1293 printf(" (# is 0..16; min defaults to 0; the\n");
1294 printf(" default is -r 0; above 4 doesn't usually\n");
1295 printf(" help much)\n");
1297 /*@@@ deprecated: */
1298 printf(" -R, -rice-parameter-search-distance=# Rice parameter search distance\n");
1300 printf("format options:\n");
1301 printf(" --endian={big|little} Set byte order for samples\n");
1302 printf(" --channels=# Number of channels\n");
1303 printf(" --bps=# Number of bits per sample\n");
1304 printf(" --sample-rate=# Sample rate in Hz\n");
1305 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1306 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1307 printf(" decoding) to be treated as raw samples\n");
1308 printf("negative options:\n");
1309 printf(" --no-adaptive-mid-side\n");
1310 printf(" --no-decode-through-errors\n");
1311 printf(" --no-delete-input-file\n");
1313 /* @@@ deprecated: */
1314 printf(" --no-escape-coding\n");
1316 printf(" --no-exhaustive-model-search\n");
1317 printf(" --no-lax\n");
1318 printf(" --no-mid-side\n");
1319 #ifdef FLAC__HAS_OGG
1320 printf(" --no-ogg\n");
1322 printf(" --no-padding\n");
1323 printf(" --no-qlp-coeff-prec-search\n");
1324 printf(" --no-residual-gnuplot\n");
1325 printf(" --no-residual-text\n");
1326 printf(" --no-sector-align\n");
1327 printf(" --no-seektable\n");
1328 printf(" --no-silent\n");
1329 printf(" --no-verify\n");
1333 format_mistake(const char *infilename, const char *wrong, const char *right)
1335 fprintf(stderr, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right);
1338 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1340 FILE *encode_infile;
1341 FLAC__byte lookahead[12];
1342 unsigned lookahead_length = 0;
1343 FileFormat fmt= RAW;
1346 encode_options_t common_options;
1347 const char *outfilename = get_encoded_outfilename(infilename);
1349 if(0 == strcmp(infilename, "-")) {
1351 encode_infile = FLAC__file_utils_get_binary_stdin();
1354 infilesize = FLAC__file_utils_get_filesize(infilename);
1355 if(0 == (encode_infile = fopen(infilename, "rb"))) {
1356 fprintf(stderr, "ERROR: can't open input file %s\n", infilename);
1361 if(!option_values.force_raw_format) {
1362 /* first set format based on name */
1363 if(strlen(infilename) > 3 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".wav"))
1365 else if(strlen(infilename) > 3 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".aif"))
1367 else if(strlen(infilename) > 4 && 0 == strcasecmp(infilename+(strlen(infilename)-5), ".aiff"))
1370 /* attempt to guess the file type based on the first 12 bytes */
1371 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1373 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1377 if(!strncmp(lookahead, "RIFF", 4) && !strncmp(lookahead+8, "WAVE", 4))
1379 else if(!strncmp(lookahead, "FORM", 4) && !strncmp(lookahead+8, "AIFF", 4))
1383 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1389 if(option_values.sector_align && fmt == RAW && infilesize < 0) {
1390 fprintf(stderr, "ERROR: can't --sector-align when the input size is unknown\n");
1395 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)
1396 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1399 if(encode_infile == stdin || option_values.force_to_stdout) {
1400 if(option_values.replay_gain)
1401 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1404 common_options.verbose = option_values.verbose;
1405 common_options.skip = option_values.skip;
1406 common_options.verify = option_values.verify;
1407 #ifdef FLAC__HAS_OGG
1408 common_options.use_ogg = option_values.use_ogg;
1409 common_options.has_serial_number = option_values.has_serial_number;
1410 common_options.serial_number = option_values.serial_number;
1412 common_options.lax = option_values.lax;
1413 common_options.do_mid_side = option_values.do_mid_side;
1414 common_options.loose_mid_side = option_values.loose_mid_side;
1415 common_options.do_exhaustive_model_search = option_values.do_exhaustive_model_search;
1416 common_options.do_escape_coding = option_values.do_escape_coding;
1417 common_options.do_qlp_coeff_prec_search = option_values.do_qlp_coeff_prec_search;
1418 common_options.min_residual_partition_order = option_values.min_residual_partition_order;
1419 common_options.max_residual_partition_order = option_values.max_residual_partition_order;
1420 common_options.rice_parameter_search_dist = option_values.rice_parameter_search_dist;
1421 common_options.max_lpc_order = option_values.max_lpc_order;
1422 common_options.blocksize = (unsigned)option_values.blocksize;
1423 common_options.qlp_coeff_precision = option_values.qlp_coeff_precision;
1424 common_options.padding = option_values.padding;
1425 common_options.requested_seek_points = option_values.requested_seek_points;
1426 common_options.num_requested_seek_points = option_values.num_requested_seek_points;
1427 common_options.is_first_file = is_first_file;
1428 common_options.is_last_file = is_last_file;
1429 common_options.align_reservoir = align_reservoir;
1430 common_options.align_reservoir_samples = &align_reservoir_samples;
1431 common_options.replay_gain = option_values.replay_gain;
1432 common_options.sector_align = option_values.sector_align;
1433 common_options.vorbis_comment = option_values.vorbis_comment;
1434 common_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1435 common_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1436 common_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1439 raw_encode_options_t options;
1441 options.common = common_options;
1442 options.is_big_endian = option_values.format_is_big_endian;
1443 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1444 options.channels = option_values.format_channels;
1445 options.bps = option_values.format_bps;
1446 options.sample_rate = option_values.format_sample_rate;
1448 retval = flac__encode_raw(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1451 wav_encode_options_t options;
1453 options.common = common_options;
1456 retval = flac__encode_aif(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1458 retval = flac__encode_wav(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1461 if(retval == 0 && strcmp(infilename, "-")) {
1462 if(strcmp(outfilename, "-")) {
1463 if(option_values.replay_gain) {
1464 float title_gain, title_peak;
1466 FLAC__replaygain_get_title(&title_gain, &title_peak);
1467 if(0 != (error = FLAC__replaygain_store_to_file_title(outfilename, title_gain, title_peak, /*preserve_modtime=*/true))) {
1468 fprintf(stderr, "%s: ERROR writing ReplayGain title tags\n", outfilename);
1471 FLAC__file_utils_copy_metadata(infilename, outfilename);
1473 if(option_values.delete_input)
1480 int decode_file(const char *infilename)
1483 FLAC__bool treat_as_ogg = false;
1484 decode_options_t common_options;
1485 const char *outfilename = get_decoded_outfilename(infilename);
1487 if(!option_values.test_only && !option_values.analyze) {
1488 if(option_values.force_raw_format && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
1489 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
1492 if(option_values.use_ogg)
1493 treat_as_ogg = true;
1494 else if(0 == strcasecmp(infilename+(strlen(infilename)-4), ".ogg"))
1495 treat_as_ogg = true;
1497 treat_as_ogg = false;
1499 #ifndef FLAC__HAS_OGG
1501 fprintf(stderr, "%s: Ogg support has not been built into this copy of flac\n", infilename);
1506 common_options.verbose = option_values.verbose;
1507 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1508 #ifdef FLAC__HAS_OGG
1509 common_options.is_ogg = treat_as_ogg;
1510 common_options.use_first_serial_number = !option_values.has_serial_number;
1511 common_options.serial_number = option_values.serial_number;
1513 common_options.skip = option_values.skip;
1515 if(!option_values.force_raw_format) {
1516 wav_decode_options_t options;
1518 options.common = common_options;
1520 retval = flac__decode_wav(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1523 raw_decode_options_t options;
1525 options.common = common_options;
1526 options.is_big_endian = option_values.format_is_big_endian;
1527 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1529 retval = flac__decode_raw(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1532 if(retval == 0 && strcmp(infilename, "-")) {
1533 if(strcmp(outfilename, "-"))
1534 FLAC__file_utils_copy_metadata(infilename, outfilename);
1535 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
1542 const char *get_encoded_outfilename(const char *infilename)
1544 if(0 == option_values.cmdline_forced_outfilename) {
1545 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
1547 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
1548 strcpy(buffer, "-");
1551 const char *suffix = (option_values.use_ogg? ".ogg" : ".flac");
1553 strcpy(buffer, option_values.output_prefix? option_values.output_prefix : "");
1554 strcat(buffer, infilename);
1555 if(0 == (p = strrchr(buffer, '.')))
1556 strcat(buffer, suffix);
1558 if(0 == strcmp(p, suffix)) {
1569 return option_values.cmdline_forced_outfilename;
1572 const char *get_decoded_outfilename(const char *infilename)
1574 if(0 == option_values.cmdline_forced_outfilename) {
1575 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
1577 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
1578 strcpy(buffer, "-");
1581 static const char *suffixes[] = { ".wav", ".raw", ".ana" };
1582 const char *suffix = suffixes[option_values.analyze? 2 : option_values.force_raw_format? 1 : 0];
1584 strcpy(buffer, option_values.output_prefix? option_values.output_prefix : "");
1585 strcat(buffer, infilename);
1586 if(0 == (p = strrchr(buffer, '.')))
1587 strcat(buffer, suffix);
1589 if(0 == strcmp(p, suffix)) {
1600 return option_values.cmdline_forced_outfilename;
1603 void die(const char *message)
1605 FLAC__ASSERT(0 != message);
1606 fprintf(stderr, "ERROR: %s\n", message);
1610 char *local_strdup(const char *source)
1613 FLAC__ASSERT(0 != source);
1614 if(0 == (ret = strdup(source)))
1615 die("out of memory during strdup()");