1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Josh Coalson
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32 #if !defined _MSC_VER && !defined __MINGW32__
33 /* unlink is in stdio.h in VC++ */
34 #include <unistd.h> /* for unlink() */
37 #include "share/grabbag.h"
41 #include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */
43 #include "vorbiscomment.h"
45 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
46 #define FLAC__STRCASECMP stricmp
48 #define FLAC__STRCASECMP strcasecmp
52 /*[JEC] was:#if HAVE_GETOPT_LONG*/
53 /*[JEC] see flac/include/share/getopt.h as to why the change */
56 # include "share/getopt.h"
59 typedef enum { RAW, WAV, AIF, FLAC, OGGFLAC } FileFormat;
63 static FLAC__bool init_options();
64 static int parse_options(int argc, char *argv[]);
65 static int parse_option(int short_option, const char *long_option, const char *option_argument);
66 static void free_options();
67 static void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value);
68 static void add_compression_setting_string(compression_setting_type_t type, const char *value);
69 static void add_compression_setting_unsigned(compression_setting_type_t type, unsigned value);
71 static int usage_error(const char *message, ...);
72 static void short_usage();
73 static void show_version();
74 static void show_help();
75 static void show_explain();
76 static void format_mistake(const char *infilename, const char *wrong, const char *right);
78 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
79 static int decode_file(const char *infilename);
81 static const char *get_encoded_outfilename(const char *infilename);
82 static const char *get_decoded_outfilename(const char *infilename);
83 static const char *get_outfilename(const char *infilename, const char *suffix);
85 static void die(const char *message);
86 static char *local_strdup(const char *source);
90 * share__getopt format struct; note that for long options with no
91 * short option equivalent we just set the 'val' field to 0.
93 static struct share__option long_options_[] = {
97 { "help" , share__no_argument, 0, 'h' },
98 { "explain" , share__no_argument, 0, 'H' },
99 { "version" , share__no_argument, 0, 'v' },
100 { "decode" , share__no_argument, 0, 'd' },
101 { "analyze" , share__no_argument, 0, 'a' },
102 { "test" , share__no_argument, 0, 't' },
103 { "stdout" , share__no_argument, 0, 'c' },
104 { "silent" , share__no_argument, 0, 's' },
105 { "totally-silent" , share__no_argument, 0, 0 },
106 { "force" , share__no_argument, 0, 'f' },
107 { "delete-input-file", share__no_argument, 0, 0 },
108 { "output-prefix" , share__required_argument, 0, 0 },
109 { "output-name" , share__required_argument, 0, 'o' },
110 { "skip" , share__required_argument, 0, 0 },
111 { "until" , share__required_argument, 0, 0 },
112 { "channel-map" , share__required_argument, 0, 0 }, /* undocumented */
117 { "decode-through-errors", share__no_argument, 0, 'F' },
118 { "cue" , share__required_argument, 0, 0 },
119 { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */
124 { "cuesheet" , share__required_argument, 0, 0 },
125 { "no-cued-seekpoints" , share__no_argument, 0, 0 },
126 { "picture" , share__required_argument, 0, 0 },
127 { "tag" , share__required_argument, 0, 'T' },
128 { "tag-from-file" , share__required_argument, 0, 0 },
129 { "compression-level-0" , share__no_argument, 0, '0' },
130 { "compression-level-1" , share__no_argument, 0, '1' },
131 { "compression-level-2" , share__no_argument, 0, '2' },
132 { "compression-level-3" , share__no_argument, 0, '3' },
133 { "compression-level-4" , share__no_argument, 0, '4' },
134 { "compression-level-5" , share__no_argument, 0, '5' },
135 { "compression-level-6" , share__no_argument, 0, '6' },
136 { "compression-level-7" , share__no_argument, 0, '7' },
137 { "compression-level-8" , share__no_argument, 0, '8' },
138 { "compression-level-9" , share__no_argument, 0, '9' },
139 { "best" , share__no_argument, 0, '8' },
140 { "fast" , share__no_argument, 0, '0' },
141 { "verify" , share__no_argument, 0, 'V' },
142 { "force-aiff-format" , share__no_argument, 0, 0 },
143 { "force-raw-format" , share__no_argument, 0, 0 },
144 { "lax" , share__no_argument, 0, 0 },
145 { "replay-gain" , share__no_argument, 0, 0 },
146 { "sector-align" , share__no_argument, 0, 0 },
147 { "seekpoint" , share__required_argument, 0, 'S' },
148 { "padding" , share__required_argument, 0, 'P' },
150 { "ogg" , share__no_argument, 0, 0 },
151 { "serial-number" , share__required_argument, 0, 0 },
153 { "blocksize" , share__required_argument, 0, 'b' },
154 { "exhaustive-model-search" , share__no_argument, 0, 'e' },
155 { "max-lpc-order" , share__required_argument, 0, 'l' },
156 { "apodization" , share__required_argument, 0, 'A' },
157 { "mid-side" , share__no_argument, 0, 'm' },
158 { "adaptive-mid-side" , share__no_argument, 0, 'M' },
159 { "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
160 { "qlp-coeff-precision" , share__required_argument, 0, 'q' },
161 { "rice-partition-order" , share__required_argument, 0, 'r' },
162 { "endian" , share__required_argument, 0, 0 },
163 { "channels" , share__required_argument, 0, 0 },
164 { "bps" , share__required_argument, 0, 0 },
165 { "sample-rate" , share__required_argument, 0, 0 },
166 { "sign" , share__required_argument, 0, 0 },
167 { "input-size" , share__required_argument, 0, 0 },
172 { "residual-gnuplot", share__no_argument, 0, 0 },
173 { "residual-text", share__no_argument, 0, 0 },
178 { "no-decode-through-errors" , share__no_argument, 0, 0 },
179 { "no-silent" , share__no_argument, 0, 0 },
180 { "no-force" , share__no_argument, 0, 0 },
181 { "no-seektable" , share__no_argument, 0, 0 },
182 { "no-delete-input-file" , share__no_argument, 0, 0 },
183 { "no-replay-gain" , share__no_argument, 0, 0 },
184 { "no-sector-align" , share__no_argument, 0, 0 },
185 { "no-lax" , share__no_argument, 0, 0 },
187 { "no-ogg" , share__no_argument, 0, 0 },
189 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
190 { "no-mid-side" , share__no_argument, 0, 0 },
191 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
192 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
193 { "no-padding" , share__no_argument, 0, 0 },
194 { "no-verify" , share__no_argument, 0, 0 },
195 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
196 { "no-residual-text" , share__no_argument, 0, 0 },
198 * undocumented debugging options for the test suite
200 { "disable-constant-subframes", share__no_argument, 0, 0 },
201 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
202 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
209 * global to hold command-line option values
213 FLAC__bool show_help;
214 FLAC__bool show_explain;
215 FLAC__bool show_version;
216 FLAC__bool mode_decode;
218 FLAC__bool force_file_overwrite;
219 FLAC__bool continue_through_decode_errors;
220 replaygain_synthesis_spec_t replaygain_synthesis_spec;
222 FLAC__bool test_only;
225 FLAC__bool has_serial_number; /* true iff --serial-number was used */
226 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
227 FLAC__bool force_to_stdout;
228 FLAC__bool force_aiff_format;
229 FLAC__bool force_raw_format;
230 FLAC__bool delete_input;
231 FLAC__bool replay_gain;
232 FLAC__bool sector_align;
233 const char *cmdline_forced_outfilename;
234 const char *output_prefix;
235 analysis_options aopts;
236 int padding; /* -1 => no -P options were given, 0 => -P- was given, else -P value */
237 size_t num_compression_settings;
238 compression_setting_t compression_settings[64]; /* bad MAGIC NUMBER but buffer overflow is checked */
239 const char *skip_specification;
240 const char *until_specification;
241 const char *cue_specification;
242 int format_is_big_endian;
243 int format_is_unsigned_samples;
246 int format_sample_rate;
247 off_t format_input_size;
248 char requested_seek_points[5000]; /* bad MAGIC NUMBER but buffer overflow is checked */
249 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
250 const char *cuesheet_filename;
251 FLAC__bool cued_seekpoints;
252 FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */
257 FLAC__StreamMetadata *vorbis_comment;
258 FLAC__StreamMetadata *pictures[64];
259 unsigned num_pictures;
262 FLAC__bool disable_constant_subframes;
263 FLAC__bool disable_fixed_subframes;
264 FLAC__bool disable_verbatim_subframes;
270 * miscellaneous globals
273 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */
274 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
275 static unsigned align_reservoir_samples = 0; /* 0 .. 587 */
278 int main(int argc, char *argv[])
283 _response(&argc, &argv);
284 _wildcard(&argc, &argv);
288 setlocale(LC_ALL, "");
289 if(!init_options()) {
290 flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
294 if((retval = parse_options(argc, argv)) == 0)
307 if(option_values.show_version) {
311 else if(option_values.show_explain) {
315 else if(option_values.show_help) {
320 if(option_values.num_files == 0) {
321 if(flac__utils_verbosity_ >= 1)
327 * tweak options; validate the values
329 if(!option_values.mode_decode) {
330 if(0 != option_values.cue_specification)
331 return usage_error("ERROR: --cue is not allowed in test mode\n");
334 if(option_values.test_only) {
335 if(0 != option_values.skip_specification)
336 return usage_error("ERROR: --skip is not allowed in test mode\n");
337 if(0 != option_values.until_specification)
338 return usage_error("ERROR: --until is not allowed in test mode\n");
339 if(0 != option_values.cue_specification)
340 return usage_error("ERROR: --cue is not allowed in test mode\n");
341 if(0 != option_values.analyze)
342 return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n");
346 if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification))
347 return usage_error("ERROR: --cue may not be combined with --skip or --until\n");
349 if(option_values.format_channels >= 0) {
350 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
351 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
353 if(option_values.format_bps >= 0) {
354 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
355 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
357 if(option_values.format_sample_rate >= 0) {
358 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
359 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
361 if(option_values.force_raw_format && option_values.force_aiff_format)
362 return usage_error("ERROR: only one of --force-raw-format and --force-aiff-format allowed\n");
363 if(option_values.mode_decode) {
364 if(!option_values.force_raw_format) {
365 if(option_values.format_is_big_endian >= 0)
366 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
367 if(option_values.format_is_unsigned_samples >= 0)
368 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
370 if(option_values.format_channels >= 0)
371 return usage_error("ERROR: --channels not allowed with --decode\n");
372 if(option_values.format_bps >= 0)
373 return usage_error("ERROR: --bps not allowed with --decode\n");
374 if(option_values.format_sample_rate >= 0)
375 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
378 if(option_values.sector_align) {
379 if(option_values.mode_decode)
380 return usage_error("ERROR: --sector-align only allowed for encoding\n");
381 if(0 != option_values.skip_specification)
382 return usage_error("ERROR: --sector-align not allowed with --skip\n");
383 if(0 != option_values.until_specification)
384 return usage_error("ERROR: --sector-align not allowed with --until\n");
385 if(0 != option_values.cue_specification)
386 return usage_error("ERROR: --sector-align not allowed with --cue\n");
387 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
388 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
389 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
390 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
391 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
392 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
394 if(option_values.replay_gain) {
395 if(option_values.force_to_stdout)
396 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
397 if(option_values.mode_decode)
398 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
399 if(option_values.format_channels > 2)
400 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
401 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
402 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
404 * We want to reserve padding space for the ReplayGain
405 * tags that we will set later, to avoid rewriting the
408 if(option_values.padding <= 0) {
409 flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
410 option_values.padding = GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
413 option_values.padding += GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
416 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
417 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
419 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
420 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
422 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
423 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
427 flac__utils_printf(stderr, 2, "\n");
428 flac__utils_printf(stderr, 2, "flac %s, Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Josh Coalson\n", FLAC__VERSION_STRING);
429 flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
430 flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
432 if(option_values.mode_decode) {
433 FLAC__bool first = true;
435 if(option_values.num_files == 0) {
436 retval = decode_file("-");
440 if(option_values.num_files > 1)
441 option_values.cmdline_forced_outfilename = 0;
442 for(i = 0, retval = 0; i < option_values.num_files; i++) {
443 if(0 == strcmp(option_values.filenames[i], "-") && !first)
445 retval |= decode_file(option_values.filenames[i]);
451 FLAC__bool first = true;
453 if(option_values.num_files == 0) {
454 retval = encode_file("-", first, true);
458 if(option_values.num_files > 1)
459 option_values.cmdline_forced_outfilename = 0;
460 for(i = 0, retval = 0; i < option_values.num_files; i++) {
461 if(0 == strcmp(option_values.filenames[i], "-") && !first)
463 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
466 if(option_values.replay_gain && retval == 0) {
467 float album_gain, album_peak;
468 grabbag__replaygain_get_album(&album_gain, &album_peak);
469 for(i = 0; i < option_values.num_files; i++) {
470 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
471 if(0 == outfilename) {
472 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]);
475 if(0 == strcmp(option_values.filenames[i], "-")) {
477 /* double protection */
478 flac__utils_printf(stderr, 1, "internal error\n");
481 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, /*preserve_modtime=*/true))) {
482 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags (%s)\n", outfilename, error);
493 FLAC__bool init_options()
495 option_values.show_help = false;
496 option_values.show_explain = false;
497 option_values.mode_decode = false;
498 option_values.verify = false;
499 option_values.force_file_overwrite = false;
500 option_values.continue_through_decode_errors = false;
501 option_values.replaygain_synthesis_spec.apply = false;
502 option_values.replaygain_synthesis_spec.use_album_gain = true;
503 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
504 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
505 option_values.replaygain_synthesis_spec.preamp = 0.0;
506 option_values.lax = false;
507 option_values.test_only = false;
508 option_values.analyze = false;
509 option_values.use_ogg = false;
510 option_values.has_serial_number = false;
511 option_values.serial_number = 0;
512 option_values.force_to_stdout = false;
513 option_values.force_aiff_format = false;
514 option_values.force_raw_format = false;
515 option_values.delete_input = false;
516 option_values.replay_gain = false;
517 option_values.sector_align = false;
518 option_values.cmdline_forced_outfilename = 0;
519 option_values.output_prefix = 0;
520 option_values.aopts.do_residual_text = false;
521 option_values.aopts.do_residual_gnuplot = false;
522 option_values.padding = -1;
523 option_values.num_compression_settings = 1;
524 option_values.compression_settings[0].type = CST_COMPRESSION_LEVEL;
525 option_values.compression_settings[0].value.t_unsigned = 5;
526 option_values.skip_specification = 0;
527 option_values.until_specification = 0;
528 option_values.cue_specification = 0;
529 option_values.format_is_big_endian = -1;
530 option_values.format_is_unsigned_samples = -1;
531 option_values.format_channels = -1;
532 option_values.format_bps = -1;
533 option_values.format_sample_rate = -1;
534 option_values.format_input_size = (off_t)(-1);
535 option_values.requested_seek_points[0] = '\0';
536 option_values.num_requested_seek_points = -1;
537 option_values.cuesheet_filename = 0;
538 option_values.cued_seekpoints = true;
539 option_values.channel_map_none = false;;
541 option_values.num_files = 0;
542 option_values.filenames = 0;
544 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
546 option_values.num_pictures = 0;
548 option_values.debug.disable_constant_subframes = false;
549 option_values.debug.disable_fixed_subframes = false;
550 option_values.debug.disable_verbatim_subframes = false;
555 int parse_options(int argc, char *argv[])
558 int option_index = 1;
559 FLAC__bool had_error = false;
560 const char *short_opts = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vV";
562 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
563 switch (short_option) {
564 case 0: /* long option with no equivalent short option */
565 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
571 default: /* short option */
572 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
581 FLAC__ASSERT(share__optind <= argc);
583 option_values.num_files = argc - share__optind;
585 if(option_values.num_files > 0) {
587 if(0 == (option_values.filenames = (char**)malloc(sizeof(char*) * option_values.num_files)))
588 die("out of memory allocating space for file names list");
589 while(share__optind < argc)
590 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
596 int parse_option(int short_option, const char *long_option, const char *option_argument)
598 const char *violation;
602 if(short_option == 0) {
603 FLAC__ASSERT(0 != long_option);
604 if(0 == strcmp(long_option, "totally-silent")) {
605 flac__utils_verbosity_ = 0;
607 else if(0 == strcmp(long_option, "delete-input-file")) {
608 option_values.delete_input = true;
610 else if(0 == strcmp(long_option, "output-prefix")) {
611 FLAC__ASSERT(0 != option_argument);
612 option_values.output_prefix = option_argument;
614 else if(0 == strcmp(long_option, "skip")) {
615 FLAC__ASSERT(0 != option_argument);
616 option_values.skip_specification = option_argument;
618 else if(0 == strcmp(long_option, "until")) {
619 FLAC__ASSERT(0 != option_argument);
620 option_values.until_specification = option_argument;
622 else if(0 == strcmp(long_option, "input-size")) {
623 FLAC__ASSERT(0 != option_argument);
628 i = strtol(option_argument, &end, 10); /* [2G limit] */
631 i = strtoll(option_argument, &end, 10);
633 if(0 == strlen(option_argument) || *end)
634 return usage_error("ERROR: --%s must be a number\n", long_option);
635 option_values.format_input_size = (off_t)i;
636 if(option_values.format_input_size != i) /* check if off_t is smaller than long long */
637 return usage_error("ERROR: --%s too large; this flac does not support filesizes over 2GB\n", long_option);
638 if(option_values.format_input_size <= 0)
639 return usage_error("ERROR: --%s must be > 0\n", long_option);
642 else if(0 == strcmp(long_option, "cue")) {
643 FLAC__ASSERT(0 != option_argument);
644 option_values.cue_specification = option_argument;
646 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
647 option_values.replaygain_synthesis_spec.apply = true;
648 if (0 != option_argument) {
650 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
651 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
652 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
655 option_values.replaygain_synthesis_spec.use_album_gain = true;
657 option_values.replaygain_synthesis_spec.use_album_gain = false;
659 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
661 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
662 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
663 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
667 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
671 else if(0 == strcmp(long_option, "channel-map")) {
672 if (0 == option_argument || strcmp(option_argument, "none"))
673 return usage_error("ERROR: only --channel-map=none currently supported\n");
674 option_values.channel_map_none = true;
676 else if(0 == strcmp(long_option, "cuesheet")) {
677 FLAC__ASSERT(0 != option_argument);
678 option_values.cuesheet_filename = option_argument;
680 else if(0 == strcmp(long_option, "picture")) {
681 const unsigned max_pictures = sizeof(option_values.pictures)/sizeof(option_values.pictures[0]);
682 FLAC__ASSERT(0 != option_argument);
683 if(option_values.num_pictures >= max_pictures)
684 return usage_error("ERROR: too many --picture arguments, only %u allowed\n", max_pictures);
685 if(0 == (option_values.pictures[option_values.num_pictures] = grabbag__picture_parse_specification(option_argument, &violation)))
686 return usage_error("ERROR: (--picture) %s\n", violation);
687 option_values.num_pictures++;
689 else if(0 == strcmp(long_option, "tag-from-file")) {
690 FLAC__ASSERT(0 != option_argument);
691 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, &violation))
692 return usage_error("ERROR: (--tag-from-file) %s\n", violation);
694 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
695 option_values.cued_seekpoints = false;
697 else if(0 == strcmp(long_option, "force-aiff-format")) {
698 option_values.force_aiff_format = true;
700 else if(0 == strcmp(long_option, "force-raw-format")) {
701 option_values.force_raw_format = true;
703 else if(0 == strcmp(long_option, "lax")) {
704 option_values.lax = true;
706 else if(0 == strcmp(long_option, "replay-gain")) {
707 option_values.replay_gain = true;
709 else if(0 == strcmp(long_option, "sector-align")) {
710 option_values.sector_align = true;
713 else if(0 == strcmp(long_option, "ogg")) {
714 option_values.use_ogg = true;
716 else if(0 == strcmp(long_option, "serial-number")) {
717 option_values.has_serial_number = true;
718 option_values.serial_number = atol(option_argument);
721 else if(0 == strcmp(long_option, "endian")) {
722 FLAC__ASSERT(0 != option_argument);
723 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
724 option_values.format_is_big_endian = true;
725 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
726 option_values.format_is_big_endian = false;
728 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
730 else if(0 == strcmp(long_option, "channels")) {
731 FLAC__ASSERT(0 != option_argument);
732 option_values.format_channels = atoi(option_argument);
734 else if(0 == strcmp(long_option, "bps")) {
735 FLAC__ASSERT(0 != option_argument);
736 option_values.format_bps = atoi(option_argument);
738 else if(0 == strcmp(long_option, "sample-rate")) {
739 FLAC__ASSERT(0 != option_argument);
740 option_values.format_sample_rate = atoi(option_argument);
742 else if(0 == strcmp(long_option, "sign")) {
743 FLAC__ASSERT(0 != option_argument);
744 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
745 option_values.format_is_unsigned_samples = false;
746 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
747 option_values.format_is_unsigned_samples = true;
749 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
751 else if(0 == strcmp(long_option, "residual-gnuplot")) {
752 option_values.aopts.do_residual_gnuplot = true;
754 else if(0 == strcmp(long_option, "residual-text")) {
755 option_values.aopts.do_residual_text = true;
760 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
761 option_values.continue_through_decode_errors = false;
763 else if(0 == strcmp(long_option, "no-silent")) {
764 flac__utils_verbosity_ = 2;
766 else if(0 == strcmp(long_option, "no-force")) {
767 option_values.force_file_overwrite = false;
769 else if(0 == strcmp(long_option, "no-seektable")) {
770 option_values.num_requested_seek_points = 0;
771 option_values.requested_seek_points[0] = '\0';
773 else if(0 == strcmp(long_option, "no-delete-input-file")) {
774 option_values.delete_input = false;
776 else if(0 == strcmp(long_option, "no-replay-gain")) {
777 option_values.replay_gain = false;
779 else if(0 == strcmp(long_option, "no-sector-align")) {
780 option_values.sector_align = false;
782 else if(0 == strcmp(long_option, "no-lax")) {
783 option_values.lax = false;
786 else if(0 == strcmp(long_option, "no-ogg")) {
787 option_values.use_ogg = false;
790 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
791 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, false);
793 else if(0 == strcmp(long_option, "no-mid-side")) {
794 add_compression_setting_bool(CST_DO_MID_SIDE, false);
795 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
797 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
798 add_compression_setting_bool(CST_DO_MID_SIDE, false);
799 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
801 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
802 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, false);
804 else if(0 == strcmp(long_option, "no-padding")) {
805 option_values.padding = 0;
807 else if(0 == strcmp(long_option, "no-verify")) {
808 option_values.verify = false;
810 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
811 option_values.aopts.do_residual_gnuplot = false;
813 else if(0 == strcmp(long_option, "no-residual-text")) {
814 option_values.aopts.do_residual_text = false;
816 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
817 option_values.debug.disable_constant_subframes = true;
819 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
820 option_values.debug.disable_fixed_subframes = true;
822 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
823 option_values.debug.disable_verbatim_subframes = true;
827 switch(short_option) {
829 option_values.show_help = true;
832 option_values.show_explain = true;
835 option_values.show_version = true;
838 option_values.mode_decode = true;
841 option_values.mode_decode = true;
842 option_values.analyze = true;
845 option_values.mode_decode = true;
846 option_values.test_only = true;
849 option_values.force_to_stdout = true;
852 flac__utils_verbosity_ = 1;
855 option_values.force_file_overwrite = true;
858 FLAC__ASSERT(0 != option_argument);
859 option_values.cmdline_forced_outfilename = option_argument;
862 option_values.continue_through_decode_errors = true;
865 FLAC__ASSERT(0 != option_argument);
866 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/false, &violation))
867 return usage_error("ERROR: (-T/--tag) %s\n", violation);
878 add_compression_setting_unsigned(CST_COMPRESSION_LEVEL, short_option-'0');
881 return usage_error("ERROR: compression level '9' is reserved\n");
883 option_values.verify = true;
886 FLAC__ASSERT(0 != option_argument);
887 if(0 == strcmp(option_argument, "-")) {
888 option_values.num_requested_seek_points = 0;
889 option_values.requested_seek_points[0] = '\0';
892 if(option_values.num_requested_seek_points < 0)
893 option_values.num_requested_seek_points = 0;
894 option_values.num_requested_seek_points++;
895 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
896 return usage_error("ERROR: too many seekpoints requested\n");
899 strcat(option_values.requested_seek_points, option_argument);
900 strcat(option_values.requested_seek_points, ";");
905 FLAC__ASSERT(0 != option_argument);
906 option_values.padding = atoi(option_argument);
907 if(option_values.padding < 0)
908 return usage_error("ERROR: argument to -%c must be >= 0; for no padding use -%c-\n", short_option, short_option);
911 FLAC__ASSERT(0 != option_argument);
912 i = atoi(option_argument);
913 if((i < (int)FLAC__MIN_BLOCK_SIZE || i > (int)FLAC__MAX_BLOCK_SIZE))
914 return usage_error("ERROR: invalid blocksize (-%c) '%d', must be >= %u and <= %u\n", short_option, i, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE);
915 add_compression_setting_unsigned(CST_BLOCKSIZE, (unsigned)i);
918 add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, true);
921 add_compression_setting_bool(CST_DO_ESCAPE_CODING, true);
924 FLAC__ASSERT(0 != option_argument);
925 i = atoi(option_argument);
926 if((i < 0 || i > (int)FLAC__MAX_LPC_ORDER))
927 return usage_error("ERROR: invalid LPC order (-%c) '%d', must be >= %u and <= %u\n", short_option, i, 0, FLAC__MAX_LPC_ORDER);
928 add_compression_setting_unsigned(CST_MAX_LPC_ORDER, (unsigned)i);
931 FLAC__ASSERT(0 != option_argument);
932 add_compression_setting_string(CST_APODIZATION, option_argument);
935 add_compression_setting_bool(CST_DO_MID_SIDE, true);
936 add_compression_setting_bool(CST_LOOSE_MID_SIDE, false);
939 add_compression_setting_bool(CST_DO_MID_SIDE, true);
940 add_compression_setting_bool(CST_LOOSE_MID_SIDE, true);
943 add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, true);
946 FLAC__ASSERT(0 != option_argument);
947 i = atoi(option_argument);
948 if(i < 0 || (i > 0 && (i < (int)FLAC__MIN_QLP_COEFF_PRECISION || i > (int)FLAC__MAX_QLP_COEFF_PRECISION)))
949 return usage_error("ERROR: invalid value '%d' for qlp coeff precision (-%c), must be 0 or between %u and %u, inclusive\n", i, short_option, FLAC__MIN_QLP_COEFF_PRECISION, FLAC__MAX_QLP_COEFF_PRECISION);
950 add_compression_setting_unsigned(CST_QLP_COEFF_PRECISION, (unsigned)i);
953 FLAC__ASSERT(0 != option_argument);
954 p = strchr(option_argument, ',');
956 add_compression_setting_unsigned(CST_MIN_RESIDUAL_PARTITION_ORDER, 0);
957 i = atoi(option_argument);
959 return usage_error("ERROR: invalid value '%d' for residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER);
960 add_compression_setting_unsigned(CST_MAX_RESIDUAL_PARTITION_ORDER, (unsigned)i);
963 i = atoi(option_argument);
965 return usage_error("ERROR: invalid value '%d' for min residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER);
966 add_compression_setting_unsigned(CST_MIN_RESIDUAL_PARTITION_ORDER, (unsigned)i);
969 return usage_error("ERROR: invalid value '%d' for max residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER);
970 add_compression_setting_unsigned(CST_MAX_RESIDUAL_PARTITION_ORDER, (unsigned)i);
974 i = atoi(option_argument);
976 return usage_error("ERROR: invalid value '%d' for Rice parameter search distance (-%c), must be >= 0\n", i, short_option);
977 add_compression_setting_unsigned(CST_RICE_PARAMETER_SEARCH_DIST, (unsigned)i);
990 if(0 != option_values.filenames) {
991 for(i = 0; i < option_values.num_files; i++) {
992 if(0 != option_values.filenames[i])
993 free(option_values.filenames[i]);
995 free(option_values.filenames);
997 if(0 != option_values.vorbis_comment)
998 FLAC__metadata_object_delete(option_values.vorbis_comment);
999 for(i = 0; i < option_values.num_pictures; i++)
1000 FLAC__metadata_object_delete(option_values.pictures[i]);
1003 void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value)
1005 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1006 die("too many compression settings");
1007 option_values.compression_settings[option_values.num_compression_settings].type = type;
1008 option_values.compression_settings[option_values.num_compression_settings].value.t_bool = value;
1009 option_values.num_compression_settings++;
1012 void add_compression_setting_string(compression_setting_type_t type, const char *value)
1014 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1015 die("too many compression settings");
1016 option_values.compression_settings[option_values.num_compression_settings].type = type;
1017 option_values.compression_settings[option_values.num_compression_settings].value.t_string = value;
1018 option_values.num_compression_settings++;
1021 void add_compression_setting_unsigned(compression_setting_type_t type, unsigned value)
1023 if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0]))
1024 die("too many compression settings");
1025 option_values.compression_settings[option_values.num_compression_settings].type = type;
1026 option_values.compression_settings[option_values.num_compression_settings].value.t_unsigned = value;
1027 option_values.num_compression_settings++;
1030 int usage_error(const char *message, ...)
1032 if(flac__utils_verbosity_ >= 1) {
1035 FLAC__ASSERT(0 != message);
1037 va_start(args, message);
1039 (void) vfprintf(stderr, message, args);
1043 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1051 printf("flac %s\n", FLAC__VERSION_STRING);
1054 static void usage_header()
1056 printf("===============================================================================\n");
1057 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1058 printf("Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Josh Coalson\n");
1060 printf("This program is free software; you can redistribute it and/or\n");
1061 printf("modify it under the terms of the GNU General Public License\n");
1062 printf("as published by the Free Software Foundation; either version 2\n");
1063 printf("of the License, or (at your option) any later version.\n");
1065 printf("This program is distributed in the hope that it will be useful,\n");
1066 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1067 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1068 printf("GNU General Public License for more details.\n");
1070 printf("You should have received a copy of the GNU General Public License\n");
1071 printf("along with this program; if not, write to the Free Software\n");
1072 printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
1073 printf("===============================================================================\n");
1076 static void usage_summary()
1080 printf(" Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]\n");
1081 printf(" Decoding: flac -d [<general-options>] [<format-options>] [FLACFILE [...]]\n");
1082 printf(" Testing: flac -t [<general-options>] [FLACFILE [...]]\n");
1083 printf("Analyzing: flac -a [<general-options>] [<analysis-options>] [FLACFILE [...]]\n");
1091 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1092 printf("instructions use 'flac --explain'\n");
1094 printf("To encode:\n");
1095 printf(" flac [-#] [INPUTFILE [...]]\n");
1097 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1099 printf("To decode:\n");
1100 printf(" flac -d [INPUTFILE [...]]\n");
1102 printf("To test:\n");
1103 printf(" flac -t [INPUTFILE [...]]\n");
1110 printf("general options:\n");
1111 printf(" -v, --version Show the flac version number\n");
1112 printf(" -h, --help Show this screen\n");
1113 printf(" -H, --explain Show detailed explanation of usage and options\n");
1114 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1115 printf(" -t, --test Same as -d except no decoded file is written\n");
1116 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1117 printf(" -c, --stdout Write output to stdout\n");
1118 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1119 printf(" --totally-silent Do not print anything, including errors\n");
1120 printf(" -f, --force Force overwriting of output files\n");
1121 printf(" -o, --output-name=FILENAME Force the output file name\n");
1122 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1123 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1124 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1125 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1126 #ifdef FLAC__HAS_OGG
1127 printf(" --ogg Use Ogg as transport layer\n");
1128 printf(" --serial-number Serial number to use for the FLAC stream\n");
1130 printf("analysis options:\n");
1131 printf(" --residual-text Include residual signal in text output\n");
1132 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1133 printf("decoding options:\n");
1134 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1135 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n");
1136 printf("encoding options:\n");
1137 printf(" -V, --verify Verify a correct encoding\n");
1138 printf(" --lax Allow encoder to generate non-Subset files\n");
1139 printf(" --sector-align Align multiple files on sector boundaries\n");
1140 printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n");
1141 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1142 printf(" --picture=SPECIFICATION Import picture and store in PICTURE block\n");
1143 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n");
1144 printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\n");
1145 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1146 printf(" -P, --padding=# Write a PADDING block of length #\n");
1147 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1148 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1149 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1150 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1151 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1152 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1153 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1154 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1155 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1156 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1157 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1158 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1159 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1160 printf(" -A, --apodization=\"function\" Window audio data with given the function\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(" --input-size=# Size of the raw input in bytes\n");
1172 printf(" --force-aiff-format Force decoding to AIFF format\n");
1173 printf(" --force-raw-format Treat input or output as raw samples\n");
1174 printf("negative options:\n");
1175 printf(" --no-adaptive-mid-side\n");
1176 printf(" --no-decode-through-errors\n");
1177 printf(" --no-delete-input-file\n");
1178 printf(" --no-exhaustive-model-search\n");
1179 printf(" --no-lax\n");
1180 printf(" --no-mid-side\n");
1181 #ifdef FLAC__HAS_OGG
1182 printf(" --no-ogg\n");
1184 printf(" --no-padding\n");
1185 printf(" --no-qlp-coeff-prec-search\n");
1186 printf(" --no-replay-gain\n");
1187 printf(" --no-residual-gnuplot\n");
1188 printf(" --no-residual-text\n");
1189 printf(" --no-sector-align\n");
1190 printf(" --no-seektable\n");
1191 printf(" --no-silent\n");
1192 printf(" --no-force\n");
1193 printf(" --no-verify\n");
1200 printf("For encoding:\n");
1201 printf(" The input file(s) may be a PCM RIFF WAVE file, AIFF (or uncompressed AIFF-C)\n");
1202 printf(" file, or raw samples.\n");
1203 printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n");
1204 printf("For decoding, the reverse is true.\n");
1206 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1207 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1208 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1209 printf("instead of:\n");
1210 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1211 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1212 printf("WAVE/AIFF header contents when necessary.\n");
1214 printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
1215 printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n");
1216 printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
1217 printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n");
1218 printf("files using -fr.\n");
1220 printf("general options:\n");
1221 printf(" -v, --version Show the flac version number\n");
1222 printf(" -h, --help Show basic usage a list of all options\n");
1223 printf(" -H, --explain Show this screen\n");
1224 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1225 printf(" -t, --test Same as -d except no decoded file is written\n");
1226 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1227 printf(" -c, --stdout Write output to stdout\n");
1228 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1229 printf(" --totally-silent Do not print anything of any kind, including\n");
1230 printf(" warnings or errors. The exit code will be the\n");
1231 printf(" only way to determine successful completion.\n");
1232 printf(" -f, --force Force overwriting of output files\n");
1233 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1234 printf(" changes the extension. May only be used when\n");
1235 printf(" encoding a single file. May not be used in\n");
1236 printf(" conjunction with --output-prefix.\n");
1237 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1238 printf(" STRING. This can be useful for encoding or\n");
1239 printf(" decoding files to a different directory. Make\n");
1240 printf(" sure if your STRING is a path name that it ends\n");
1241 printf(" with a '/' slash.\n");
1242 printf(" --delete-input-file Automatically delete the input file after a\n");
1243 printf(" successful encode or decode. If there was an\n");
1244 printf(" error (including a verify error) the input file\n");
1245 printf(" is left intact.\n");
1246 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1247 printf(" be used both for encoding and decoding. The\n");
1248 printf(" alternative form mm:ss.ss can be used to specify\n");
1249 printf(" minutes, seconds, and fractions of a second.\n");
1250 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1251 printf(" file. The given sample number is not included\n");
1252 printf(" in the decoded output. The alternative form\n");
1253 printf(" mm:ss.ss can be used to specify minutes,\n");
1254 printf(" seconds, and fractions of a second. If a `+'\n");
1255 printf(" sign is at the beginning, the --until point is\n");
1256 printf(" relative to the --skip point. If a `-' sign is\n");
1257 printf(" at the beginning, the --until point is relative\n");
1258 printf(" to end of the audio.\n");
1259 #ifdef FLAC__HAS_OGG
1260 printf(" --ogg When encoding, generate Ogg FLAC output instead\n");
1261 printf(" of native FLAC. Ogg FLAC streams are FLAC\n");
1262 printf(" streams wrapped in an Ogg transport layer. The\n");
1263 printf(" resulting file should have an '.ogg' extension\n");
1264 printf(" and will still be decodable by flac. When\n");
1265 printf(" decoding, force the input to be treated as\n");
1266 printf(" Ogg FLAC. This is useful when piping input\n");
1267 printf(" from stdin or when the filename does not end in\n");
1268 printf(" '.ogg'.\n");
1269 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1270 printf(" encoding and no serial number is given, flac\n");
1271 printf(" uses a random one. If encoding to multiple files\n");
1272 printf(" the serial number is incremented for each file.\n");
1273 printf(" When decoding and no number is given, flac uses\n");
1274 printf(" the serial number of the first page.\n");
1276 printf("analysis options:\n");
1277 printf(" --residual-text Include residual signal in text output. This\n");
1278 printf(" will make the file very big, much larger than\n");
1279 printf(" even the decoded file.\n");
1280 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1281 printf(" of each subframe\n");
1282 printf("decoding options:\n");
1283 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1284 printf(" and removes the partially decoded file if it\n");
1285 printf(" encounters a bitstream error. With -F, errors\n");
1286 printf(" are still printed but flac will continue\n");
1287 printf(" decoding to completion. Note that errors may\n");
1288 printf(" cause the decoded audio to be missing some\n");
1289 printf(" samples or have silent sections.\n");
1290 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n");
1291 printf(" decode. The optional first #.# is the track and\n");
1292 printf(" index point at which decoding will start; the\n");
1293 printf(" default is the beginning of the stream. The\n");
1294 printf(" optional second #.# is the track and index point\n");
1295 printf(" at which decoding will end; the default is the\n");
1296 printf(" end of the stream. If the cuepoint does not\n");
1297 printf(" exist, the closest one before it (for the start\n");
1298 printf(" point) or after it (for the end point) will be\n");
1299 printf(" used. The cuepoints are merely translated into\n");
1300 printf(" sample numbers then used as --skip and --until.\n");
1301 printf(" A CD track can always be cued by, for example,\n");
1302 printf(" --cue=9.1-10.1 for track 9, even if the CD has\n");
1303 printf(" no 10th track.\n");
1304 printf("encoding options:\n");
1305 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1306 printf(" output in parallel and comparing to the\n");
1307 printf(" original\n");
1308 printf(" --lax Allow encoder to generate non-Subset files\n");
1309 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1310 printf(" on sector boundaries.\n");
1311 printf(" --replay-gain Calculate ReplayGain values and store them as\n");
1312 printf(" FLAC tags. Title gains/peaks will be computed\n");
1313 printf(" for each file, and an album gain/peak will be\n");
1314 printf(" computed for all files. All input files must\n");
1315 printf(" have the same resolution, sample rate, and\n");
1316 printf(" number of channels. The sample rate must be\n");
1317 printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
1318 printf(" or 48 kHz. NOTE: this option may also leave a\n");
1319 printf(" few extra bytes in the PADDING block.\n");
1320 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1321 printf(" a CUESHEET metadata block. This option may only\n");
1322 printf(" be used when encoding a single file. A\n");
1323 printf(" seekpoint will be added for each index point in\n");
1324 printf(" the cuesheet to the SEEKTABLE unless\n");
1325 printf(" --no-cued-seekpoints is specified.\n");
1326 printf(" --picture=SPECIFICATION Import a picture and store it in a PICTURE block.\n");
1327 printf(" More than one --picture command can be specified.\n");
1328 printf(" The SPECIFICATION is a string whose parts are\n");
1329 printf(" separated by | characters. Some parts may be\n");
1330 printf(" left empty to invoke default values. The format:\n");
1331 printf(" [TYPE]|MIME-TYPE|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n");
1332 printf(" TYPE is optional; it is a number from one of:\n");
1333 printf(" 0: Other\n");
1334 printf(" 1: 32x32 pixels 'file icon' (PNG only)\n");
1335 printf(" 2: Other file icon\n");
1336 printf(" 3: Cover (front)\n");
1337 printf(" 4: Cover (back)\n");
1338 printf(" 5: Leaflet page\n");
1339 printf(" 6: Media (e.g. label side of CD)\n");
1340 printf(" 7: Lead artist/lead performer/soloist\n");
1341 printf(" 8: Artist/performer\n");
1342 printf(" 9: Conductor\n");
1343 printf(" 10: Band/Orchestra\n");
1344 printf(" 11: Composer\n");
1345 printf(" 12: Lyricist/text writer\n");
1346 printf(" 13: Recording Location\n");
1347 printf(" 14: During recording\n");
1348 printf(" 15: During performance\n");
1349 printf(" 16: Movie/video screen capture\n");
1350 printf(" 17: A bright coloured fish\n");
1351 printf(" 18: Illustration\n");
1352 printf(" 19: Band/artist logotype\n");
1353 printf(" 20: Publisher/Studio logotype\n");
1354 printf(" The default is 3 (front cover). There may only be one picture each\n");
1355 printf(" of type 1 and 2 in a file.\n");
1356 printf(" MIME-TYPE is mandatory; for best compatibility with players, use\n");
1357 printf(" pictures with MIME type image/jpeg or image/png. The MIME type can\n");
1358 printf(" also be --> to mean that FILE is actually a URL to an image, though\n");
1359 printf(" this use is discouraged.\n");
1360 printf(" DESCRIPTION is optional; the default is an empty string\n");
1361 printf(" The next part specfies the resolution and color information. If\n");
1362 printf(" the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n");
1363 printf(" usually leave this empty and they can be detected from the file.\n");
1364 printf(" Otherwise, you must specify the width in pixels, height in pixels,\n");
1365 printf(" and color depth in bits-per-pixel. If the image has indexed colors\n");
1366 printf(" you should also specify the number of colors used.\n");
1367 printf(" FILE is the path to the picture file to be imported, or the URL if\n");
1368 printf(" MIME type is -->\n");
1369 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n");
1370 printf(" comment if necessary. This option may appear\n");
1371 printf(" more than once to add several comments. NOTE:\n");
1372 printf(" all tags will be added to all encoded files.\n");
1373 printf(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n");
1374 printf(" whose contents will be read verbatim to set the\n");
1375 printf(" tag value. The contents will be converted to\n");
1376 printf(" UTF-8 from the local charset. This can be used\n");
1377 printf(" to store a cuesheet in a tag (e.g.\n");
1378 printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n");
1379 printf(" try to store binary data in tag fields! Use\n");
1380 printf(" APPLICATION blocks for that.\n");
1381 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1382 printf(" # : a specific sample number for a seek point\n");
1383 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1384 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1385 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1386 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1387 printf(" ified union of all such values.\n");
1388 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1389 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1390 printf(" input size before starting.\n");
1391 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1392 printf(" either no seek point entered (if the input size is determinable\n");
1393 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1394 printf(" determinable)\n");
1395 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1396 printf(" block of the given length (in bytes) after the\n");
1397 printf(" STREAMINFO block. This is useful if you plan\n");
1398 printf(" to tag the file later with an APPLICATION\n");
1399 printf(" block; instead of having to rewrite the entire\n");
1400 printf(" file later just to insert your block, you can\n");
1401 printf(" write directly over the PADDING block. Note\n");
1402 printf(" that the total length of the PADDING block will\n");
1403 printf(" be 4 bytes longer than the length given because\n");
1404 printf(" of the 4 metadata block header bytes. You can\n");
1405 printf(" force no PADDING block at all to be written with\n");
1406 printf(" --no-padding. The encoder writes a PADDING\n");
1407 printf(" block of 8192 bytes by default, or 65536 bytes\n");
1408 printf(" if the input audio is more than 20 minutes long.\n");
1409 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1410 printf(" 1152 for -l 0, else 4608; must be one of 192,\n");
1411 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1412 printf(" 4096 (and 8192 or 16384 if the sample rate is\n");
1413 printf(" >48kHz) for Subset streams.\n");
1414 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1415 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1416 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1417 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1418 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1419 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1420 printf(" -5 is the default setting\n");
1421 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1422 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1423 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1424 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1425 printf(" (stereo only)\n");
1426 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1427 printf(" (stereo only)\n");
1428 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1429 printf(" -A, --apodization=\"function\" Window audio data with given the function.\n");
1430 printf(" The functions are: bartlett, bartlett_hann,\n");
1431 printf(" blackman, blackman_harris_4term_92db,\n");
1432 printf(" connes, flattop, gauss(STDDEV), hamming,\n");
1433 printf(" hann, kaiser_bessel, nuttall, rectangle,\n");
1434 printf(" triangle, tukey(P), welch. More than one\n");
1435 printf(" may be specified but encoding time is a\n");
1436 printf(" multiple of the number of functions since\n");
1437 printf(" they are each tried in turn. The encoder\n");
1438 printf(" chooses suitable defaults in the absence\n");
1439 printf(" of any -A options.\n");
1440 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors.\n");
1441 printf(" Must be <= 12 for Subset streams if sample\n");
1442 printf(" rate is <=48kHz.\n");
1443 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1444 printf(" quantization (expensive!); overrides -q;\n");
1445 printf(" does nothing if using -l 0\n");
1446 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1447 printf(" linear-predictor coefficients; 0 => let\n");
1448 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1449 printf(" default is -q 0)\n");
1450 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1451 printf(" (# is 0..16; min defaults to 0; the\n");
1452 printf(" default is -r 0; above 4 doesn't usually\n");
1453 printf(" help much)\n");
1454 printf("format options:\n");
1455 printf(" --endian={big|little} Set byte order for samples\n");
1456 printf(" --channels=# Number of channels\n");
1457 printf(" --bps=# Number of bits per sample\n");
1458 printf(" --sample-rate=# Sample rate in Hz\n");
1459 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1460 printf(" --input-size=# Size of the raw input in bytes. If you are\n");
1461 printf(" encoding raw samples from stdin, you must set\n");
1462 printf(" this option in order to be able to use --skip,\n");
1463 printf(" --until, --cue-sheet, or other options that need\n");
1464 printf(" to know the size of the input beforehand. If\n");
1465 printf(" the size given is greater than what is found in\n");
1466 printf(" the input stream, the encoder will complain\n");
1467 printf(" about an unexpected end-of-file. If the size\n");
1468 printf(" given is less, samples will be truncated.\n");
1469 printf(" --force-aiff-format Force the decoder to output AIFF format. This\n");
1470 printf(" option is not needed if the output filename (as\n");
1471 printf(" set by -o) ends with .aif or .aiff; this option\n");
1472 printf(" has no effect when encoding since input AIFF is\n");
1473 printf(" auto-detected.\n");
1474 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1475 printf(" decoding) to be treated as raw samples\n");
1476 printf("negative options:\n");
1477 printf(" --no-adaptive-mid-side\n");
1478 printf(" --no-decode-through-errors\n");
1479 printf(" --no-delete-input-file\n");
1480 printf(" --no-exhaustive-model-search\n");
1481 printf(" --no-lax\n");
1482 printf(" --no-mid-side\n");
1483 #ifdef FLAC__HAS_OGG
1484 printf(" --no-ogg\n");
1486 printf(" --no-padding\n");
1487 printf(" --no-qlp-coeff-prec-search\n");
1488 printf(" --no-residual-gnuplot\n");
1489 printf(" --no-residual-text\n");
1490 printf(" --no-sector-align\n");
1491 printf(" --no-seektable\n");
1492 printf(" --no-silent\n");
1493 printf(" --no-force\n");
1494 printf(" --no-verify\n");
1497 void format_mistake(const char *infilename, const char *wrong, const char *right)
1499 flac__utils_printf(stderr, 1, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right);
1502 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1504 FILE *encode_infile;
1505 FLAC__byte lookahead[12];
1506 unsigned lookahead_length = 0;
1507 FileFormat fmt = RAW;
1508 FLAC__bool is_aifc = false;
1511 encode_options_t common_options;
1512 const char *outfilename = get_encoded_outfilename(infilename); /* the final name of the encoded file */
1513 /* internal_outfilename is the file we will actually write to; it will be a temporary name if infilename==outfilename */
1514 char *internal_outfilename = 0; /* NULL implies 'use outfilename' */
1516 if(0 == outfilename) {
1517 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1521 if(0 == strcmp(infilename, "-")) {
1522 infilesize = (off_t)(-1);
1523 encode_infile = grabbag__file_get_binary_stdin();
1526 infilesize = grabbag__file_get_filesize(infilename);
1527 if(0 == (encode_infile = fopen(infilename, "rb"))) {
1528 flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno));
1533 if(!option_values.force_raw_format) {
1534 /* first set format based on name */
1535 if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".wav"))
1537 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".aif"))
1539 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".aiff"))
1541 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".flac"))
1543 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
1546 /* attempt to guess the file type based on the first 12 bytes */
1547 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1549 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1553 if(!strncmp((const char *)lookahead, "RIFF", 4) && !strncmp((const char *)lookahead+8, "WAVE", 4))
1555 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFF", 4))
1557 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFC", 4)) {
1561 else if(!memcmp(lookahead, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING)))
1563 /* this could be made more accurate by looking at the first packet */
1564 else if(!memcmp(lookahead, "OggS", 4))
1568 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1575 * Error if output file already exists (and -f not used).
1576 * Use grabbag__file_get_filesize() as a cheap way to check.
1578 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1580 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1581 flac__utils_printf(stderr, 1,
1582 "ERROR: output file %s already exists.\n\n"
1583 "By default flac encodes files to FLAC format; if you meant to decode this file\n"
1584 "from FLAC to something else, use -d. If you meant to re-encode this file from\n"
1585 "FLAC to FLAC again, use -f to force writing to the same file, or -o to specify\n"
1586 "a different output filename.\n",
1590 else if(fmt == OGGFLAC) {
1591 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1592 flac__utils_printf(stderr, 1,
1593 "ERROR: output file %s already exists.\n\n"
1594 "By default 'flac -ogg' encodes files to Ogg FLAC format; if you meant to decode\n"
1595 "this file from Ogg FLAC to something else, use -d. If you meant to re-encode\n"
1596 "this file from Ogg FLAC to Ogg FLAC again, use -f to force writing to the same\n"
1597 "file, or -o to specify a different output filename.\n",
1602 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1606 if(option_values.format_input_size >= 0) {
1607 if (fmt != RAW || infilesize >= 0) {
1608 flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n");
1612 infilesize = option_values.format_input_size;
1616 if(option_values.sector_align && (fmt == FLAC || fmt == OGGFLAC)) {
1617 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input file is FLAC or Ogg FLAC\n");
1620 if(option_values.sector_align && fmt == RAW && infilesize < 0) {
1621 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input size is unknown\n");
1626 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)
1627 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1630 if(encode_infile == stdin || option_values.force_to_stdout) {
1631 if(option_values.replay_gain)
1632 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1634 if(option_values.replay_gain && option_values.use_ogg)
1635 return usage_error("ERROR: --replay-gain cannot be used when encoding to Ogg FLAC yet\n");
1637 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1638 return usage_error("ERROR: invalid value for --skip\n");
1640 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 */
1641 return usage_error("ERROR: invalid value for --until\n");
1642 /* if there is no "--until" we want to default to "--until=-0" */
1643 if(0 == option_values.until_specification)
1644 common_options.until_specification.is_relative = true;
1646 common_options.verify = option_values.verify;
1647 #ifdef FLAC__HAS_OGG
1648 common_options.use_ogg = option_values.use_ogg;
1649 /* set a random serial number if one has not yet been specified */
1650 if(!option_values.has_serial_number) {
1651 option_values.serial_number = rand();
1652 option_values.has_serial_number = true;
1654 common_options.serial_number = option_values.serial_number++;
1656 common_options.lax = option_values.lax;
1657 common_options.padding = option_values.padding;
1658 common_options.num_compression_settings = option_values.num_compression_settings;
1659 FLAC__ASSERT(sizeof(common_options.compression_settings) >= sizeof(option_values.compression_settings));
1660 memcpy(common_options.compression_settings, option_values.compression_settings, sizeof(option_values.compression_settings));
1661 common_options.requested_seek_points = option_values.requested_seek_points;
1662 common_options.num_requested_seek_points = option_values.num_requested_seek_points;
1663 common_options.cuesheet_filename = option_values.cuesheet_filename;
1664 common_options.cued_seekpoints = option_values.cued_seekpoints;
1665 common_options.channel_map_none = option_values.channel_map_none;
1666 common_options.is_first_file = is_first_file;
1667 common_options.is_last_file = is_last_file;
1668 common_options.align_reservoir = align_reservoir;
1669 common_options.align_reservoir_samples = &align_reservoir_samples;
1670 common_options.replay_gain = option_values.replay_gain;
1671 common_options.sector_align = option_values.sector_align;
1672 common_options.vorbis_comment = option_values.vorbis_comment;
1673 FLAC__ASSERT(sizeof(common_options.pictures) >= sizeof(option_values.pictures));
1674 memcpy(common_options.pictures, option_values.pictures, sizeof(option_values.pictures));
1675 common_options.num_pictures = option_values.num_pictures;
1676 common_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1677 common_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1678 common_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1680 /* if infilename and outfilename point to the same file, we need to write to a temporary file */
1681 if(encode_infile != stdin && grabbag__file_are_same(infilename, outfilename)) {
1682 static const char *tmp_suffix = ".tmp,fl-ac+en'c";
1683 /*@@@@ still a remote possibility that a file with this filename exists */
1684 if(0 == (internal_outfilename = malloc(strlen(outfilename)+strlen(tmp_suffix)+1))) {
1685 flac__utils_printf(stderr, 1, "ERROR allocating memory for tempfile name\n");
1688 strcpy(internal_outfilename, outfilename);
1689 strcat(internal_outfilename, tmp_suffix);
1693 raw_encode_options_t options;
1695 options.common = common_options;
1696 options.is_big_endian = option_values.format_is_big_endian;
1697 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1698 options.channels = option_values.format_channels;
1699 options.bps = option_values.format_bps;
1700 options.sample_rate = option_values.format_sample_rate;
1702 retval = flac__encode_raw(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options);
1704 else if(fmt == FLAC || fmt == OGGFLAC) {
1705 flac_encode_options_t options;
1707 options.common = common_options;
1709 retval = flac__encode_flac(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options, fmt==OGGFLAC);
1712 wav_encode_options_t options;
1714 options.common = common_options;
1717 retval = flac__encode_aif(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options, is_aifc);
1719 retval = flac__encode_wav(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options);
1723 if(strcmp(outfilename, "-")) {
1724 if(option_values.replay_gain) {
1725 float title_gain, title_peak;
1727 grabbag__replaygain_get_title(&title_gain, &title_peak);
1729 0 != (error = grabbag__replaygain_store_to_file_reference(internal_outfilename? internal_outfilename : outfilename, /*preserve_modtime=*/true)) ||
1730 0 != (error = grabbag__replaygain_store_to_file_title(internal_outfilename? internal_outfilename : outfilename, title_gain, title_peak, /*preserve_modtime=*/true))
1732 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain reference/title tags (%s)\n", outfilename, error);
1735 if(strcmp(infilename, "-"))
1736 grabbag__file_copy_metadata(infilename, internal_outfilename? internal_outfilename : outfilename);
1740 /* rename temporary file if necessary */
1741 if(retval == 0 && internal_outfilename != 0) {
1742 if(rename(internal_outfilename, outfilename) < 0) {
1743 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
1744 /* on some flavors of windows, rename() will fail if the destination already exists, so we unlink and try again */
1745 if(unlink(outfilename) < 0) {
1746 flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, keeping both\n", internal_outfilename, outfilename);
1749 else if(rename(internal_outfilename, outfilename) < 0) {
1750 flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, you must do it\n", internal_outfilename, outfilename);
1754 flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, keeping both\n", internal_outfilename, outfilename);
1760 /* handle --delete-input-file, but don't want to delete if piping from stdin, or if input filename and output filename are the same */
1761 if(retval == 0 && option_values.delete_input && strcmp(infilename, "-") && internal_outfilename == 0)
1764 if(internal_outfilename != 0)
1765 free(internal_outfilename);
1770 int decode_file(const char *infilename)
1773 FLAC__bool treat_as_ogg = false;
1774 decode_options_t common_options;
1775 const char *outfilename = get_decoded_outfilename(infilename);
1777 if(0 == outfilename) {
1778 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1783 * Error if output file already exists (and -f not used).
1784 * Use grabbag__file_get_filesize() as a cheap way to check.
1786 if(!option_values.test_only && !option_values.force_file_overwrite && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1787 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1791 if(!option_values.test_only && !option_values.analyze) {
1792 if(option_values.force_raw_format && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
1793 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
1796 if(option_values.use_ogg)
1797 treat_as_ogg = true;
1798 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
1799 treat_as_ogg = true;
1801 treat_as_ogg = false;
1803 #ifndef FLAC__HAS_OGG
1805 flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename);
1810 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1811 return usage_error("ERROR: invalid value for --skip\n");
1813 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 */
1814 return usage_error("ERROR: invalid value for --until\n");
1815 /* if there is no "--until" we want to default to "--until=-0" */
1816 if(0 == option_values.until_specification)
1817 common_options.until_specification.is_relative = true;
1819 if(option_values.cue_specification) {
1820 if(!flac__utils_parse_cue_specification(option_values.cue_specification, &common_options.cue_specification))
1821 return usage_error("ERROR: invalid value for --cue\n");
1822 common_options.has_cue_specification = true;
1825 common_options.has_cue_specification = false;
1827 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1828 common_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
1829 #ifdef FLAC__HAS_OGG
1830 common_options.is_ogg = treat_as_ogg;
1831 common_options.use_first_serial_number = !option_values.has_serial_number;
1832 common_options.serial_number = option_values.serial_number;
1834 common_options.channel_map_none = option_values.channel_map_none;
1836 if(!option_values.force_raw_format) {
1837 wav_decode_options_t options;
1839 options.common = common_options;
1842 option_values.force_aiff_format ||
1843 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) ||
1844 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff"))
1846 retval = flac__decode_aiff(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1848 retval = flac__decode_wav(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1851 raw_decode_options_t options;
1853 options.common = common_options;
1854 options.is_big_endian = option_values.format_is_big_endian;
1855 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1857 retval = flac__decode_raw(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1860 if(retval == 0 && strcmp(infilename, "-")) {
1861 if(strcmp(outfilename, "-"))
1862 grabbag__file_copy_metadata(infilename, outfilename);
1863 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
1870 const char *get_encoded_outfilename(const char *infilename)
1872 const char *suffix = (option_values.use_ogg? ".ogg" : ".flac");
1873 return get_outfilename(infilename, suffix);
1876 const char *get_decoded_outfilename(const char *infilename)
1879 if(option_values.analyze) {
1882 else if(option_values.force_raw_format) {
1885 else if(option_values.force_aiff_format) {
1891 return get_outfilename(infilename, suffix);
1894 const char *get_outfilename(const char *infilename, const char *suffix)
1896 if(0 == option_values.cmdline_forced_outfilename) {
1897 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
1899 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
1900 strcpy(buffer, "-");
1904 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
1906 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
1908 /* the . must come after any / to avoid problems with, e.g. "some.directory/extensionless-filename" */
1909 if(0 == (p = strrchr(buffer, '.')) || strchr(p, '/')) {
1910 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1915 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1922 return option_values.cmdline_forced_outfilename;
1925 void die(const char *message)
1927 FLAC__ASSERT(0 != message);
1928 flac__utils_printf(stderr, 1, "ERROR: %s\n", message);
1932 char *local_strdup(const char *source)
1935 FLAC__ASSERT(0 != source);
1936 if(0 == (ret = strdup(source)))
1937 die("out of memory during strdup()");