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 } FileFormat;
63 static FLAC__bool init_options();
64 static int parse_options(int argc, char *argv[]);
65 static int parse_option(int short_option, const char *long_option, const char *option_argument);
66 static void free_options();
68 static int usage_error(const char *message, ...);
69 static void short_usage();
70 static void show_version();
71 static void show_help();
72 static void show_explain();
73 static void format_mistake(const char *infilename, const char *wrong, const char *right);
75 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
76 static int decode_file(const char *infilename);
78 static const char *get_encoded_outfilename(const char *infilename);
79 static const char *get_decoded_outfilename(const char *infilename);
80 static const char *get_outfilename(const char *infilename, const char *suffix);
82 static void die(const char *message);
83 static char *local_strdup(const char *source);
87 * share__getopt format struct; note that for long options with no
88 * short option equivalent we just set the 'val' field to 0.
90 static struct share__option long_options_[] = {
94 { "help" , share__no_argument, 0, 'h' },
95 { "explain" , share__no_argument, 0, 'H' },
96 { "version" , share__no_argument, 0, 'v' },
97 { "decode" , share__no_argument, 0, 'd' },
98 { "analyze" , share__no_argument, 0, 'a' },
99 { "test" , share__no_argument, 0, 't' },
100 { "stdout" , share__no_argument, 0, 'c' },
101 { "silent" , share__no_argument, 0, 's' },
102 { "totally-silent" , share__no_argument, 0, 0 },
103 { "force" , share__no_argument, 0, 'f' },
104 { "delete-input-file", share__no_argument, 0, 0 },
105 { "output-prefix" , share__required_argument, 0, 0 },
106 { "output-name" , share__required_argument, 0, 'o' },
107 { "skip" , share__required_argument, 0, 0 },
108 { "until" , share__required_argument, 0, 0 },
113 { "decode-through-errors", share__no_argument, 0, 'F' },
114 { "cue" , share__required_argument, 0, 0 },
115 { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */
120 { "cuesheet" , share__required_argument, 0, 0 },
121 { "no-cued-seekpoints" , share__no_argument, 0, 0 },
122 { "tag" , share__required_argument, 0, 'T' },
123 { "tag-from-file" , share__required_argument, 0, 0 },
124 { "compression-level-0" , share__no_argument, 0, '0' },
125 { "compression-level-1" , share__no_argument, 0, '1' },
126 { "compression-level-2" , share__no_argument, 0, '2' },
127 { "compression-level-3" , share__no_argument, 0, '3' },
128 { "compression-level-4" , share__no_argument, 0, '4' },
129 { "compression-level-5" , share__no_argument, 0, '5' },
130 { "compression-level-6" , share__no_argument, 0, '6' },
131 { "compression-level-7" , share__no_argument, 0, '7' },
132 { "compression-level-8" , share__no_argument, 0, '8' },
133 { "compression-level-9" , share__no_argument, 0, '9' },
134 { "best" , share__no_argument, 0, '8' },
135 { "fast" , share__no_argument, 0, '0' },
136 { "super-secret-totally-impractical-compression-level", share__no_argument, 0, 0 },
137 { "verify" , share__no_argument, 0, 'V' },
138 { "force-aiff-format" , share__no_argument, 0, 0 },
139 { "force-raw-format" , share__no_argument, 0, 0 },
140 { "lax" , share__no_argument, 0, 0 },
141 { "replay-gain" , share__no_argument, 0, 0 },
142 { "sector-align" , share__no_argument, 0, 0 },
143 { "seekpoint" , share__required_argument, 0, 'S' },
144 { "padding" , share__required_argument, 0, 'P' },
146 { "ogg" , share__no_argument, 0, 0 },
147 { "serial-number" , share__required_argument, 0, 0 },
149 { "blocksize" , share__required_argument, 0, 'b' },
150 { "exhaustive-model-search" , share__no_argument, 0, 'e' },
151 { "max-lpc-order" , share__required_argument, 0, 'l' },
152 { "apodization" , share__required_argument, 0, 'A' },
153 { "mid-side" , share__no_argument, 0, 'm' },
154 { "adaptive-mid-side" , share__no_argument, 0, 'M' },
155 { "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
156 { "qlp-coeff-precision" , share__required_argument, 0, 'q' },
157 { "rice-partition-order" , share__required_argument, 0, 'r' },
158 { "endian" , share__required_argument, 0, 0 },
159 { "channels" , share__required_argument, 0, 0 },
160 { "bps" , share__required_argument, 0, 0 },
161 { "sample-rate" , share__required_argument, 0, 0 },
162 { "sign" , share__required_argument, 0, 0 },
163 { "input-size" , share__required_argument, 0, 0 },
168 { "residual-gnuplot", share__no_argument, 0, 0 },
169 { "residual-text", share__no_argument, 0, 0 },
174 { "no-decode-through-errors" , share__no_argument, 0, 0 },
175 { "no-silent" , share__no_argument, 0, 0 },
176 { "no-force" , share__no_argument, 0, 0 },
177 { "no-seektable" , share__no_argument, 0, 0 },
178 { "no-delete-input-file" , share__no_argument, 0, 0 },
179 { "no-replay-gain" , share__no_argument, 0, 0 },
180 { "no-sector-align" , share__no_argument, 0, 0 },
181 { "no-lax" , share__no_argument, 0, 0 },
183 { "no-ogg" , share__no_argument, 0, 0 },
185 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
186 { "no-mid-side" , share__no_argument, 0, 0 },
187 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
188 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
189 { "no-padding" , share__no_argument, 0, 0 },
190 { "no-verify" , share__no_argument, 0, 0 },
191 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
192 { "no-residual-text" , share__no_argument, 0, 0 },
194 * undocumented debugging options for the test suite
196 { "disable-constant-subframes", share__no_argument, 0, 0 },
197 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
198 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
205 * global to hold command-line option values
209 FLAC__bool show_help;
210 FLAC__bool show_explain;
211 FLAC__bool show_version;
212 FLAC__bool mode_decode;
214 FLAC__bool force_file_overwrite;
215 FLAC__bool continue_through_decode_errors;
216 replaygain_synthesis_spec_t replaygain_synthesis_spec;
218 FLAC__bool test_only;
221 FLAC__bool has_serial_number; /* true iff --serial-number was used */
222 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
223 FLAC__bool do_mid_side;
224 FLAC__bool loose_mid_side;
225 FLAC__bool do_exhaustive_model_search;
226 FLAC__bool do_escape_coding;
227 FLAC__bool do_qlp_coeff_prec_search;
228 FLAC__bool force_to_stdout;
229 FLAC__bool force_aiff_format;
230 FLAC__bool force_raw_format;
231 FLAC__bool delete_input;
232 FLAC__bool replay_gain;
233 FLAC__bool sector_align;
234 const char *cmdline_forced_outfilename;
235 const char *output_prefix;
236 analysis_options aopts;
237 int padding; /* -1 => no -P options were given, 0 => -P- was given, else -P value */
238 char apodizations[1000]; /* bad MAGIC NUMBER but buffer overflow is checked */
239 unsigned max_lpc_order;
240 unsigned qlp_coeff_precision;
241 const char *skip_specification;
242 const char *until_specification;
243 const char *cue_specification;
244 int format_is_big_endian;
245 int format_is_unsigned_samples;
248 int format_sample_rate;
249 off_t format_input_size;
251 int min_residual_partition_order;
252 int max_residual_partition_order;
253 int rice_parameter_search_dist;
254 char requested_seek_points[5000]; /* bad MAGIC NUMBER but buffer overflow is checked */
255 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
256 const char *cuesheet_filename;
257 FLAC__bool cued_seekpoints;
262 FLAC__StreamMetadata *vorbis_comment;
265 FLAC__bool disable_constant_subframes;
266 FLAC__bool disable_fixed_subframes;
267 FLAC__bool disable_verbatim_subframes;
273 * miscellaneous globals
276 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */
277 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
278 static unsigned align_reservoir_samples = 0; /* 0 .. 587 */
281 int main(int argc, char *argv[])
286 _response(&argc, &argv);
287 _wildcard(&argc, &argv);
291 setlocale(LC_ALL, "");
292 if(!init_options()) {
293 flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
297 if((retval = parse_options(argc, argv)) == 0)
310 if(option_values.show_version) {
314 else if(option_values.show_explain) {
318 else if(option_values.show_help) {
323 if(option_values.num_files == 0) {
324 if(flac__utils_verbosity_ >= 1)
330 * tweak options; validate the values
332 if(!option_values.mode_decode) {
333 if(option_values.blocksize < 0) {
334 if(option_values.max_lpc_order == 0)
335 option_values.blocksize = 1152;
337 option_values.blocksize = 4608;
339 if(option_values.max_residual_partition_order < 0) {
340 if(option_values.blocksize <= 1152)
341 option_values.max_residual_partition_order = 2;
342 else if(option_values.blocksize <= 2304)
343 option_values.max_residual_partition_order = 3;
344 else if(option_values.blocksize <= 4608)
345 option_values.max_residual_partition_order = 3;
347 option_values.max_residual_partition_order = 4;
348 option_values.min_residual_partition_order = option_values.max_residual_partition_order;
350 if(option_values.rice_parameter_search_dist < 0) {
351 option_values.rice_parameter_search_dist = 0;
353 if(0 != option_values.cue_specification)
354 return usage_error("ERROR: --cue is not allowed in test mode\n");
357 if(option_values.test_only) {
358 if(0 != option_values.skip_specification)
359 return usage_error("ERROR: --skip is not allowed in test mode\n");
360 if(0 != option_values.until_specification)
361 return usage_error("ERROR: --until is not allowed in test mode\n");
362 if(0 != option_values.cue_specification)
363 return usage_error("ERROR: --cue is not allowed in test mode\n");
364 if(0 != option_values.analyze)
365 return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n");
369 if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification))
370 return usage_error("ERROR: --cue may not be combined with --skip or --until\n");
372 FLAC__ASSERT(option_values.blocksize >= 0 || option_values.mode_decode);
374 if(option_values.format_channels >= 0) {
375 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
376 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
378 if(option_values.format_bps >= 0) {
379 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
380 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
382 if(option_values.format_sample_rate >= 0) {
383 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
384 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
386 if(option_values.force_raw_format && option_values.force_aiff_format)
387 return usage_error("ERROR: only one of --force-raw-format and --force-aiff-format allowed\n");
388 if(option_values.mode_decode) {
389 if(!option_values.force_raw_format) {
390 if(option_values.format_is_big_endian >= 0)
391 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
392 if(option_values.format_is_unsigned_samples >= 0)
393 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
395 if(option_values.format_channels >= 0)
396 return usage_error("ERROR: --channels not allowed with --decode\n");
397 if(option_values.format_bps >= 0)
398 return usage_error("ERROR: --bps not allowed with --decode\n");
399 if(option_values.format_sample_rate >= 0)
400 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
402 if(!option_values.mode_decode && ((unsigned)option_values.blocksize < FLAC__MIN_BLOCK_SIZE || (unsigned)option_values.blocksize > FLAC__MAX_BLOCK_SIZE)) {
403 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);
405 if(option_values.qlp_coeff_precision > 0 && option_values.qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION) {
406 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);
409 if(option_values.sector_align) {
410 if(option_values.mode_decode)
411 return usage_error("ERROR: --sector-align only allowed for encoding\n");
412 if(0 != option_values.skip_specification)
413 return usage_error("ERROR: --sector-align not allowed with --skip\n");
414 if(0 != option_values.until_specification)
415 return usage_error("ERROR: --sector-align not allowed with --until\n");
416 if(0 != option_values.cue_specification)
417 return usage_error("ERROR: --sector-align not allowed with --cue\n");
418 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
419 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
420 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
421 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
422 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
423 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
425 if(option_values.replay_gain) {
426 if(option_values.force_to_stdout)
427 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
428 if(option_values.mode_decode)
429 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
430 if(option_values.format_channels > 2)
431 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
432 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
433 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
435 * We want to reserve padding space for the ReplayGain
436 * tags that we will set later, to avoid rewriting the
439 if(option_values.padding <= 0) {
440 flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
441 option_values.padding = GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
444 option_values.padding += GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
447 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
448 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
450 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
451 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
453 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
454 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
458 flac__utils_printf(stderr, 2, "\n");
459 flac__utils_printf(stderr, 2, "flac %s, Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Josh Coalson\n", FLAC__VERSION_STRING);
460 flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
461 flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
463 if(!option_values.mode_decode) {
465 if(option_values.padding == 0)
468 sprintf(padopt, " %d", option_values.padding > 0? option_values.padding : FLAC_ENCODE__DEFAULT_PADDING);
469 flac__utils_printf(stderr, 2,
470 "options:%s%s%s%s -P%s -b %u%s -l %u%s%s%s -q %u -r %u,%u%s\n",
471 option_values.delete_input?" --delete-input-file":"",
472 option_values.sector_align?" --sector-align":"",
473 option_values.use_ogg?" --ogg":"",
474 option_values.lax?" --lax":"",
476 (unsigned)option_values.blocksize,
477 option_values.loose_mid_side?" -M":option_values.do_mid_side?" -m":"",
478 option_values.max_lpc_order,
479 option_values.do_exhaustive_model_search?" -e":"",
480 option_values.do_escape_coding?" -E":"",
481 option_values.do_qlp_coeff_prec_search?" -p":"",
482 option_values.qlp_coeff_precision,
483 (unsigned)option_values.min_residual_partition_order,
484 (unsigned)option_values.max_residual_partition_order,
485 option_values.verify? " -V":""
489 if(option_values.mode_decode) {
490 FLAC__bool first = true;
492 if(option_values.num_files == 0) {
493 retval = decode_file("-");
497 if(option_values.num_files > 1)
498 option_values.cmdline_forced_outfilename = 0;
499 for(i = 0, retval = 0; i < option_values.num_files; i++) {
500 if(0 == strcmp(option_values.filenames[i], "-") && !first)
502 retval |= decode_file(option_values.filenames[i]);
508 FLAC__bool first = true;
510 if(option_values.num_files == 0) {
511 retval = encode_file("-", first, true);
515 if(option_values.num_files > 1)
516 option_values.cmdline_forced_outfilename = 0;
517 for(i = 0, retval = 0; i < option_values.num_files; i++) {
518 if(0 == strcmp(option_values.filenames[i], "-") && !first)
520 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
523 if(option_values.replay_gain && retval == 0) {
524 float album_gain, album_peak;
525 grabbag__replaygain_get_album(&album_gain, &album_peak);
526 for(i = 0; i < option_values.num_files; i++) {
527 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
528 if(0 == outfilename) {
529 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]);
532 if(0 == strcmp(option_values.filenames[i], "-")) {
534 /* double protection */
535 flac__utils_printf(stderr, 1, "internal error\n");
538 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, /*preserve_modtime=*/true))) {
539 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags (%s)\n", outfilename, error);
550 FLAC__bool init_options()
552 option_values.show_help = false;
553 option_values.show_explain = false;
554 option_values.mode_decode = false;
555 option_values.verify = false;
556 option_values.force_file_overwrite = false;
557 option_values.continue_through_decode_errors = false;
558 option_values.replaygain_synthesis_spec.apply = false;
559 option_values.replaygain_synthesis_spec.use_album_gain = true;
560 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
561 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
562 option_values.replaygain_synthesis_spec.preamp = 0.0;
563 option_values.lax = false;
564 option_values.test_only = false;
565 option_values.analyze = false;
566 option_values.use_ogg = false;
567 option_values.has_serial_number = false;
568 option_values.serial_number = 0;
569 option_values.do_mid_side = true;
570 option_values.loose_mid_side = false;
571 option_values.do_exhaustive_model_search = false;
572 option_values.do_escape_coding = false;
573 option_values.do_qlp_coeff_prec_search = false;
574 option_values.force_to_stdout = false;
575 option_values.force_aiff_format = false;
576 option_values.force_raw_format = false;
577 option_values.delete_input = false;
578 option_values.replay_gain = false;
579 option_values.sector_align = false;
580 option_values.cmdline_forced_outfilename = 0;
581 option_values.output_prefix = 0;
582 option_values.aopts.do_residual_text = false;
583 option_values.aopts.do_residual_gnuplot = false;
584 option_values.padding = -1;
585 option_values.apodizations[0] = '\0';
586 option_values.max_lpc_order = 8;
587 option_values.qlp_coeff_precision = 0;
588 option_values.skip_specification = 0;
589 option_values.until_specification = 0;
590 option_values.cue_specification = 0;
591 option_values.format_is_big_endian = -1;
592 option_values.format_is_unsigned_samples = -1;
593 option_values.format_channels = -1;
594 option_values.format_bps = -1;
595 option_values.format_sample_rate = -1;
596 option_values.format_input_size = (off_t)(-1);
597 option_values.blocksize = -1;
598 option_values.min_residual_partition_order = -1;
599 option_values.max_residual_partition_order = -1;
600 option_values.rice_parameter_search_dist = -1;
601 option_values.requested_seek_points[0] = '\0';
602 option_values.num_requested_seek_points = -1;
603 option_values.cuesheet_filename = 0;
604 option_values.cued_seekpoints = true;
606 option_values.num_files = 0;
607 option_values.filenames = 0;
609 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
612 option_values.debug.disable_constant_subframes = false;
613 option_values.debug.disable_fixed_subframes = false;
614 option_values.debug.disable_verbatim_subframes = false;
619 int parse_options(int argc, char *argv[])
622 int option_index = 1;
623 FLAC__bool had_error = false;
624 const char *short_opts = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vV";
626 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
627 switch (short_option) {
628 case 0: /* long option with no equivalent short option */
629 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
635 default: /* short option */
636 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
645 FLAC__ASSERT(share__optind <= argc);
647 option_values.num_files = argc - share__optind;
649 if(option_values.num_files > 0) {
651 if(0 == (option_values.filenames = (char**)malloc(sizeof(char*) * option_values.num_files)))
652 die("out of memory allocating space for file names list");
653 while(share__optind < argc)
654 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
660 int parse_option(int short_option, const char *long_option, const char *option_argument)
662 const char *violation;
665 if(short_option == 0) {
666 FLAC__ASSERT(0 != long_option);
667 if(0 == strcmp(long_option, "totally-silent")) {
668 flac__utils_verbosity_ = 0;
670 else if(0 == strcmp(long_option, "delete-input-file")) {
671 option_values.delete_input = true;
673 else if(0 == strcmp(long_option, "output-prefix")) {
674 FLAC__ASSERT(0 != option_argument);
675 option_values.output_prefix = option_argument;
677 else if(0 == strcmp(long_option, "skip")) {
678 FLAC__ASSERT(0 != option_argument);
679 option_values.skip_specification = option_argument;
681 else if(0 == strcmp(long_option, "until")) {
682 FLAC__ASSERT(0 != option_argument);
683 option_values.until_specification = option_argument;
685 else if(0 == strcmp(long_option, "input-size")) {
686 FLAC__ASSERT(0 != option_argument);
691 i = strtol(option_argument, &end, 10); /* [2G limit] */
694 i = strtoll(option_argument, &end, 10);
696 if(0 == strlen(option_argument) || *end)
697 return usage_error("ERROR: --%s must be a number\n", long_option);
698 option_values.format_input_size = (off_t)i;
699 if(option_values.format_input_size != i) /* check if off_t is smaller than long long */
700 return usage_error("ERROR: --%s too large; this flac does not support filesizes over 2GB\n", long_option);
701 if(option_values.format_input_size <= 0)
702 return usage_error("ERROR: --%s must be > 0\n", long_option);
705 else if(0 == strcmp(long_option, "cue")) {
706 FLAC__ASSERT(0 != option_argument);
707 option_values.cue_specification = option_argument;
709 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
710 option_values.replaygain_synthesis_spec.apply = true;
711 if (0 != option_argument) {
713 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
714 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
715 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
718 option_values.replaygain_synthesis_spec.use_album_gain = true;
720 option_values.replaygain_synthesis_spec.use_album_gain = false;
722 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
724 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
725 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
726 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
730 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
734 else if(0 == strcmp(long_option, "cuesheet")) {
735 FLAC__ASSERT(0 != option_argument);
736 option_values.cuesheet_filename = option_argument;
738 else if(0 == strcmp(long_option, "tag-from-file")) {
739 FLAC__ASSERT(0 != option_argument);
740 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, &violation))
741 return usage_error("ERROR: (--tag-from-file) %s\n", violation);
743 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
744 option_values.cued_seekpoints = false;
746 else if(0 == strcmp(long_option, "super-secret-totally-impractical-compression-level")) {
747 option_values.lax = true;
748 option_values.do_exhaustive_model_search = true;
749 option_values.do_escape_coding = true;
750 option_values.do_mid_side = true;
751 option_values.loose_mid_side = false;
752 option_values.do_qlp_coeff_prec_search = true;
753 option_values.min_residual_partition_order = 0;
754 option_values.max_residual_partition_order = 16;
755 option_values.rice_parameter_search_dist = 0;
756 option_values.max_lpc_order = 32;
758 else if(0 == strcmp(long_option, "force-aiff-format")) {
759 option_values.force_aiff_format = true;
761 else if(0 == strcmp(long_option, "force-raw-format")) {
762 option_values.force_raw_format = true;
764 else if(0 == strcmp(long_option, "lax")) {
765 option_values.lax = true;
767 else if(0 == strcmp(long_option, "replay-gain")) {
768 option_values.replay_gain = true;
770 else if(0 == strcmp(long_option, "sector-align")) {
771 option_values.sector_align = true;
774 else if(0 == strcmp(long_option, "ogg")) {
775 option_values.use_ogg = true;
777 else if(0 == strcmp(long_option, "serial-number")) {
778 option_values.has_serial_number = true;
779 option_values.serial_number = atol(option_argument);
782 else if(0 == strcmp(long_option, "endian")) {
783 FLAC__ASSERT(0 != option_argument);
784 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
785 option_values.format_is_big_endian = true;
786 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
787 option_values.format_is_big_endian = false;
789 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
791 else if(0 == strcmp(long_option, "channels")) {
792 FLAC__ASSERT(0 != option_argument);
793 option_values.format_channels = atoi(option_argument);
795 else if(0 == strcmp(long_option, "bps")) {
796 FLAC__ASSERT(0 != option_argument);
797 option_values.format_bps = atoi(option_argument);
799 else if(0 == strcmp(long_option, "sample-rate")) {
800 FLAC__ASSERT(0 != option_argument);
801 option_values.format_sample_rate = atoi(option_argument);
803 else if(0 == strcmp(long_option, "sign")) {
804 FLAC__ASSERT(0 != option_argument);
805 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
806 option_values.format_is_unsigned_samples = false;
807 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
808 option_values.format_is_unsigned_samples = true;
810 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
812 else if(0 == strcmp(long_option, "residual-gnuplot")) {
813 option_values.aopts.do_residual_gnuplot = true;
815 else if(0 == strcmp(long_option, "residual-text")) {
816 option_values.aopts.do_residual_text = true;
821 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
822 option_values.continue_through_decode_errors = false;
824 else if(0 == strcmp(long_option, "no-silent")) {
825 flac__utils_verbosity_ = 2;
827 else if(0 == strcmp(long_option, "no-force")) {
828 option_values.force_file_overwrite = false;
830 else if(0 == strcmp(long_option, "no-seektable")) {
831 option_values.num_requested_seek_points = 0;
832 option_values.requested_seek_points[0] = '\0';
834 else if(0 == strcmp(long_option, "no-delete-input-file")) {
835 option_values.delete_input = false;
837 else if(0 == strcmp(long_option, "no-replay-gain")) {
838 option_values.replay_gain = false;
840 else if(0 == strcmp(long_option, "no-sector-align")) {
841 option_values.sector_align = false;
843 else if(0 == strcmp(long_option, "no-lax")) {
844 option_values.lax = false;
847 else if(0 == strcmp(long_option, "no-ogg")) {
848 option_values.use_ogg = false;
851 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
852 option_values.do_exhaustive_model_search = false;
854 else if(0 == strcmp(long_option, "no-mid-side")) {
855 option_values.do_mid_side = option_values.loose_mid_side = false;
857 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
858 option_values.loose_mid_side = option_values.do_mid_side = false;
860 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
861 option_values.do_qlp_coeff_prec_search = false;
863 else if(0 == strcmp(long_option, "no-padding")) {
864 option_values.padding = 0;
866 else if(0 == strcmp(long_option, "no-verify")) {
867 option_values.verify = false;
869 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
870 option_values.aopts.do_residual_gnuplot = false;
872 else if(0 == strcmp(long_option, "no-residual-text")) {
873 option_values.aopts.do_residual_text = false;
875 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
876 option_values.debug.disable_constant_subframes = true;
878 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
879 option_values.debug.disable_fixed_subframes = true;
881 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
882 option_values.debug.disable_verbatim_subframes = true;
886 switch(short_option) {
888 option_values.show_help = true;
891 option_values.show_explain = true;
894 option_values.show_version = true;
897 option_values.mode_decode = true;
900 option_values.mode_decode = true;
901 option_values.analyze = true;
904 option_values.mode_decode = true;
905 option_values.test_only = true;
908 option_values.force_to_stdout = true;
911 flac__utils_verbosity_ = 1;
914 option_values.force_file_overwrite = true;
917 FLAC__ASSERT(0 != option_argument);
918 option_values.cmdline_forced_outfilename = option_argument;
921 option_values.continue_through_decode_errors = true;
924 FLAC__ASSERT(0 != option_argument);
925 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/false, &violation))
926 return usage_error("ERROR: (-T/--tag) %s\n", violation);
929 option_values.do_exhaustive_model_search = false;
930 option_values.do_escape_coding = false;
931 option_values.do_mid_side = false;
932 option_values.loose_mid_side = false;
933 option_values.qlp_coeff_precision = 0;
934 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
935 option_values.rice_parameter_search_dist = 0;
936 option_values.max_lpc_order = 0;
939 option_values.do_exhaustive_model_search = false;
940 option_values.do_escape_coding = false;
941 option_values.do_mid_side = true;
942 option_values.loose_mid_side = true;
943 option_values.qlp_coeff_precision = 0;
944 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
945 option_values.rice_parameter_search_dist = 0;
946 option_values.max_lpc_order = 0;
949 option_values.do_exhaustive_model_search = false;
950 option_values.do_escape_coding = false;
951 option_values.do_mid_side = true;
952 option_values.loose_mid_side = false;
953 option_values.qlp_coeff_precision = 0;
954 option_values.min_residual_partition_order = 0;
955 option_values.max_residual_partition_order = 3;
956 option_values.rice_parameter_search_dist = 0;
957 option_values.max_lpc_order = 0;
960 option_values.do_exhaustive_model_search = false;
961 option_values.do_escape_coding = false;
962 option_values.do_mid_side = false;
963 option_values.loose_mid_side = false;
964 option_values.qlp_coeff_precision = 0;
965 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
966 option_values.rice_parameter_search_dist = 0;
967 option_values.max_lpc_order = 6;
970 option_values.do_exhaustive_model_search = false;
971 option_values.do_escape_coding = false;
972 option_values.do_mid_side = true;
973 option_values.loose_mid_side = true;
974 option_values.qlp_coeff_precision = 0;
975 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
976 option_values.rice_parameter_search_dist = 0;
977 option_values.max_lpc_order = 8;
980 option_values.do_exhaustive_model_search = false;
981 option_values.do_escape_coding = false;
982 option_values.do_mid_side = true;
983 option_values.loose_mid_side = false;
984 option_values.qlp_coeff_precision = 0;
985 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
986 option_values.rice_parameter_search_dist = 0;
987 option_values.max_lpc_order = 8;
990 option_values.do_exhaustive_model_search = false;
991 option_values.do_escape_coding = false;
992 option_values.do_mid_side = true;
993 option_values.loose_mid_side = false;
994 option_values.qlp_coeff_precision = 0;
995 option_values.min_residual_partition_order = 0;
996 option_values.max_residual_partition_order = 4;
997 option_values.rice_parameter_search_dist = 0;
998 option_values.max_lpc_order = 8;
1001 option_values.do_exhaustive_model_search = true;
1002 option_values.do_escape_coding = false;
1003 option_values.do_mid_side = true;
1004 option_values.loose_mid_side = false;
1005 option_values.qlp_coeff_precision = 0;
1006 option_values.min_residual_partition_order = 0;
1007 option_values.max_residual_partition_order = 6;
1008 option_values.rice_parameter_search_dist = 0;
1009 option_values.max_lpc_order = 8;
1012 option_values.do_exhaustive_model_search = true;
1013 option_values.do_escape_coding = false;
1014 option_values.do_mid_side = true;
1015 option_values.loose_mid_side = false;
1016 option_values.qlp_coeff_precision = 0;
1017 option_values.min_residual_partition_order = 0;
1018 option_values.max_residual_partition_order = 6;
1019 option_values.rice_parameter_search_dist = 0;
1020 option_values.max_lpc_order = 12;
1023 return usage_error("ERROR: compression level '9' is reserved\n");
1025 option_values.verify = true;
1028 FLAC__ASSERT(0 != option_argument);
1029 if(0 == strcmp(option_argument, "-")) {
1030 option_values.num_requested_seek_points = 0;
1031 option_values.requested_seek_points[0] = '\0';
1034 if(option_values.num_requested_seek_points < 0)
1035 option_values.num_requested_seek_points = 0;
1036 option_values.num_requested_seek_points++;
1037 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
1038 return usage_error("ERROR: too many seekpoints requested\n");
1041 strcat(option_values.requested_seek_points, option_argument);
1042 strcat(option_values.requested_seek_points, ";");
1047 FLAC__ASSERT(0 != option_argument);
1048 option_values.padding = atoi(option_argument);
1049 if(option_values.padding < 0)
1050 return usage_error("ERROR: argument to -P must be >= 0; for no padding use -P-\n");
1053 FLAC__ASSERT(0 != option_argument);
1054 option_values.blocksize = atoi(option_argument);
1057 option_values.do_exhaustive_model_search = true;
1060 option_values.do_escape_coding = true;
1063 FLAC__ASSERT(0 != option_argument);
1064 option_values.max_lpc_order = atoi(option_argument);
1067 FLAC__ASSERT(0 != option_argument);
1068 if(strlen(option_values.apodizations)+strlen(option_argument)+2 >= sizeof(option_values.apodizations)) {
1069 return usage_error("ERROR: too many apodization functions requested\n");
1072 strcat(option_values.apodizations, option_argument);
1073 strcat(option_values.apodizations, ";");
1077 option_values.do_mid_side = true;
1078 option_values.loose_mid_side = false;
1081 option_values.loose_mid_side = option_values.do_mid_side = true;
1084 option_values.do_qlp_coeff_prec_search = true;
1087 FLAC__ASSERT(0 != option_argument);
1088 option_values.qlp_coeff_precision = atoi(option_argument);
1091 FLAC__ASSERT(0 != option_argument);
1092 p = strchr(option_argument, ',');
1094 option_values.min_residual_partition_order = 0;
1095 option_values.max_residual_partition_order = atoi(option_argument);
1098 option_values.min_residual_partition_order = atoi(option_argument);
1099 option_values.max_residual_partition_order = atoi(++p);
1103 FLAC__ASSERT(0 != option_argument);
1104 option_values.rice_parameter_search_dist = atoi(option_argument);
1117 if(0 != option_values.filenames) {
1118 for(i = 0; i < option_values.num_files; i++) {
1119 if(0 != option_values.filenames[i])
1120 free(option_values.filenames[i]);
1122 free(option_values.filenames);
1124 if(0 != option_values.vorbis_comment)
1125 FLAC__metadata_object_delete(option_values.vorbis_comment);
1128 int usage_error(const char *message, ...)
1130 if(flac__utils_verbosity_ >= 1) {
1133 FLAC__ASSERT(0 != message);
1135 va_start(args, message);
1137 (void) vfprintf(stderr, message, args);
1141 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1149 printf("flac %s\n", FLAC__VERSION_STRING);
1152 static void usage_header()
1154 printf("===============================================================================\n");
1155 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1156 printf("Copyright (C) 2000,2001,2002,2003,2004,2005,2006 Josh Coalson\n");
1158 printf("This program is free software; you can redistribute it and/or\n");
1159 printf("modify it under the terms of the GNU General Public License\n");
1160 printf("as published by the Free Software Foundation; either version 2\n");
1161 printf("of the License, or (at your option) any later version.\n");
1163 printf("This program is distributed in the hope that it will be useful,\n");
1164 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1165 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1166 printf("GNU General Public License for more details.\n");
1168 printf("You should have received a copy of the GNU General Public License\n");
1169 printf("along with this program; if not, write to the Free Software\n");
1170 printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
1171 printf("===============================================================================\n");
1174 static void usage_summary()
1178 printf(" Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]\n");
1179 printf(" Decoding: flac -d [<general-options>] [<format-options>] [FLACFILE [...]]\n");
1180 printf(" Testing: flac -t [<general-options>] [FLACFILE [...]]\n");
1181 printf("Analyzing: flac -a [<general-options>] [<analysis-options>] [FLACFILE [...]]\n");
1189 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1190 printf("instructions use 'flac --explain'\n");
1192 printf("To encode:\n");
1193 printf(" flac [-#] [INPUTFILE [...]]\n");
1195 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1197 printf("To decode:\n");
1198 printf(" flac -d [INPUTFILE [...]]\n");
1200 printf("To test:\n");
1201 printf(" flac -t [INPUTFILE [...]]\n");
1208 printf("general options:\n");
1209 printf(" -v, --version Show the flac version number\n");
1210 printf(" -h, --help Show this screen\n");
1211 printf(" -H, --explain Show detailed explanation of usage and options\n");
1212 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1213 printf(" -t, --test Same as -d except no decoded file is written\n");
1214 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1215 printf(" -c, --stdout Write output to stdout\n");
1216 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1217 printf(" --totally-silent Do not print anything, including errors\n");
1218 printf(" -f, --force Force overwriting of output files\n");
1219 printf(" -o, --output-name=FILENAME Force the output file name\n");
1220 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1221 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1222 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1223 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1224 #ifdef FLAC__HAS_OGG
1225 printf(" --ogg Use Ogg as transport layer\n");
1226 printf(" --serial-number Serial number to use for the FLAC stream\n");
1228 printf("analysis options:\n");
1229 printf(" --residual-text Include residual signal in text output\n");
1230 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1231 printf("decoding options:\n");
1232 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1233 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n");
1234 printf("encoding options:\n");
1235 printf(" -V, --verify Verify a correct encoding\n");
1236 printf(" --lax Allow encoder to generate non-Subset files\n");
1237 printf(" --sector-align Align multiple files on sector boundaries\n");
1238 printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n");
1239 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1240 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n");
1241 printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\n");
1242 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1243 printf(" -P, --padding=# Write a PADDING block of length #\n");
1244 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1245 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1246 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1247 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1248 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1249 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1250 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1251 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1252 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1253 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1254 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1255 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1256 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1257 printf(" -A, --apodization=\"function\" Window audio data with given the function\n");
1258 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1259 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1260 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1261 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1262 printf("format options:\n");
1263 printf(" --endian={big|little} Set byte order for samples\n");
1264 printf(" --channels=# Number of channels\n");
1265 printf(" --bps=# Number of bits per sample\n");
1266 printf(" --sample-rate=# Sample rate in Hz\n");
1267 printf(" --sign={signed|unsigned} Sign of samples\n");
1268 printf(" --input-size=# Size of the raw input in bytes\n");
1269 printf(" --force-aiff-format Force decoding to AIFF format\n");
1270 printf(" --force-raw-format Treat input or output as raw samples\n");
1271 printf("negative options:\n");
1272 printf(" --no-adaptive-mid-side\n");
1273 printf(" --no-decode-through-errors\n");
1274 printf(" --no-delete-input-file\n");
1275 printf(" --no-exhaustive-model-search\n");
1276 printf(" --no-lax\n");
1277 printf(" --no-mid-side\n");
1278 #ifdef FLAC__HAS_OGG
1279 printf(" --no-ogg\n");
1281 printf(" --no-padding\n");
1282 printf(" --no-qlp-coeff-prec-search\n");
1283 printf(" --no-replay-gain\n");
1284 printf(" --no-residual-gnuplot\n");
1285 printf(" --no-residual-text\n");
1286 printf(" --no-sector-align\n");
1287 printf(" --no-seektable\n");
1288 printf(" --no-silent\n");
1289 printf(" --no-force\n");
1290 printf(" --no-verify\n");
1297 printf("For encoding:\n");
1298 printf(" The input file(s) may be a PCM RIFF WAVE file, AIFF (or uncompressed AIFF-C)\n");
1299 printf(" file, or raw samples.\n");
1300 printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n");
1301 printf("For decoding, the reverse is true.\n");
1303 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1304 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1305 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1306 printf("instead of:\n");
1307 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1308 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1309 printf("WAVE/AIFF header contents when necessary.\n");
1311 printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
1312 printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n");
1313 printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
1314 printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n");
1315 printf("files using -fr.\n");
1317 printf("general options:\n");
1318 printf(" -v, --version Show the flac version number\n");
1319 printf(" -h, --help Show basic usage a list of all options\n");
1320 printf(" -H, --explain Show this screen\n");
1321 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1322 printf(" -t, --test Same as -d except no decoded file is written\n");
1323 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1324 printf(" -c, --stdout Write output to stdout\n");
1325 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1326 printf(" --totally-silent Do not print anything of any kind, including\n");
1327 printf(" warnings or errors. The exit code will be the\n");
1328 printf(" only way to determine successful completion.\n");
1329 printf(" -f, --force Force overwriting of output files\n");
1330 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1331 printf(" changes the extension. May only be used when\n");
1332 printf(" encoding a single file. May not be used in\n");
1333 printf(" conjunction with --output-prefix.\n");
1334 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1335 printf(" STRING. This can be useful for encoding or\n");
1336 printf(" decoding files to a different directory. Make\n");
1337 printf(" sure if your STRING is a path name that it ends\n");
1338 printf(" with a '/' slash.\n");
1339 printf(" --delete-input-file Automatically delete the input file after a\n");
1340 printf(" successful encode or decode. If there was an\n");
1341 printf(" error (including a verify error) the input file\n");
1342 printf(" is left intact.\n");
1343 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1344 printf(" be used both for encoding and decoding. The\n");
1345 printf(" alternative form mm:ss.ss can be used to specify\n");
1346 printf(" minutes, seconds, and fractions of a second.\n");
1347 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1348 printf(" file. The given sample number is not included\n");
1349 printf(" in the decoded output. The alternative form\n");
1350 printf(" mm:ss.ss can be used to specify minutes,\n");
1351 printf(" seconds, and fractions of a second. If a `+'\n");
1352 printf(" sign is at the beginning, the --until point is\n");
1353 printf(" relative to the --skip point. If a `-' sign is\n");
1354 printf(" at the beginning, the --until point is relative\n");
1355 printf(" to end of the audio.\n");
1356 #ifdef FLAC__HAS_OGG
1357 printf(" --ogg When encoding, generate Ogg FLAC output instead\n");
1358 printf(" of native FLAC. Ogg FLAC streams are FLAC\n");
1359 printf(" streams wrapped in an Ogg transport layer. The\n");
1360 printf(" resulting file should have an '.ogg' extension\n");
1361 printf(" and will still be decodable by flac. When\n");
1362 printf(" decoding, force the input to be treated as\n");
1363 printf(" Ogg FLAC. This is useful when piping input\n");
1364 printf(" from stdin or when the filename does not end in\n");
1365 printf(" '.ogg'.\n");
1366 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1367 printf(" encoding and no serial number is given, flac\n");
1368 printf(" uses '0'. When decoding and no number is\n");
1369 printf(" given, flac uses the serial number of the first\n");
1372 printf("analysis options:\n");
1373 printf(" --residual-text Include residual signal in text output. This\n");
1374 printf(" will make the file very big, much larger than\n");
1375 printf(" even the decoded file.\n");
1376 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1377 printf(" of each subframe\n");
1378 printf("decoding options:\n");
1379 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1380 printf(" and removes the partially decoded file if it\n");
1381 printf(" encounters a bitstream error. With -F, errors\n");
1382 printf(" are still printed but flac will continue\n");
1383 printf(" decoding to completion. Note that errors may\n");
1384 printf(" cause the decoded audio to be missing some\n");
1385 printf(" samples or have silent sections.\n");
1386 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n");
1387 printf(" decode. The optional first #.# is the track and\n");
1388 printf(" index point at which decoding will start; the\n");
1389 printf(" default is the beginning of the stream. The\n");
1390 printf(" optional second #.# is the track and index point\n");
1391 printf(" at which decoding will end; the default is the\n");
1392 printf(" end of the stream. If the cuepoint does not\n");
1393 printf(" exist, the closest one before it (for the start\n");
1394 printf(" point) or after it (for the end point) will be\n");
1395 printf(" used. The cuepoints are merely translated into\n");
1396 printf(" sample numbers then used as --skip and --until.\n");
1397 printf(" A CD track can always be cued by, for example,\n");
1398 printf(" --cue=9.1-10.1 for track 9, even if the CD has\n");
1399 printf(" no 10th track.\n");
1400 printf("encoding options:\n");
1401 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1402 printf(" output in parallel and comparing to the\n");
1403 printf(" original\n");
1404 printf(" --lax Allow encoder to generate non-Subset files\n");
1405 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1406 printf(" on sector boundaries.\n");
1407 printf(" --replay-gain Calculate ReplayGain values and store them as\n");
1408 printf(" FLAC tags. Title gains/peaks will be computed\n");
1409 printf(" for each file, and an album gain/peak will be\n");
1410 printf(" computed for all files. All input files must\n");
1411 printf(" have the same resolution, sample rate, and\n");
1412 printf(" number of channels. The sample rate must be\n");
1413 printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
1414 printf(" or 48 kHz. NOTE: this option may also leave a\n");
1415 printf(" few extra bytes in the PADDING block.\n");
1416 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1417 printf(" a CUESHEET metadata block. This option may only\n");
1418 printf(" be used when encoding a single file. A\n");
1419 printf(" seekpoint will be added for each index point in\n");
1420 printf(" the cuesheet to the SEEKTABLE unless\n");
1421 printf(" --no-cued-seekpoints is specified.\n");
1422 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n");
1423 printf(" comment if necessary. This option may appear\n");
1424 printf(" more than once to add several comments. NOTE:\n");
1425 printf(" all tags will be added to all encoded files.\n");
1426 printf(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n");
1427 printf(" whose contents will be read verbatim to set the\n");
1428 printf(" tag value. The contents will be converted to\n");
1429 printf(" UTF-8 from the local charset. This can be used\n");
1430 printf(" to store a cuesheet in a tag (e.g.\n");
1431 printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n");
1432 printf(" try to store binary data in tag fields! Use\n");
1433 printf(" APPLICATION blocks for that.\n");
1434 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1435 printf(" # : a specific sample number for a seek point\n");
1436 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1437 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1438 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1439 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1440 printf(" ified union of all such values.\n");
1441 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1442 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1443 printf(" input size before starting.\n");
1444 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1445 printf(" either no seek point entered (if the input size is determinable\n");
1446 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1447 printf(" determinable)\n");
1448 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1449 printf(" block of the given length (in bytes) after the\n");
1450 printf(" STREAMINFO block. This is useful if you plan\n");
1451 printf(" to tag the file later with an APPLICATION\n");
1452 printf(" block; instead of having to rewrite the entire\n");
1453 printf(" file later just to insert your block, you can\n");
1454 printf(" write directly over the PADDING block. Note\n");
1455 printf(" that the total length of the PADDING block will\n");
1456 printf(" be 4 bytes longer than the length given because\n");
1457 printf(" of the 4 metadata block header bytes. You can\n");
1458 printf(" force no PADDING block at all to be written with\n");
1459 printf(" --no-padding. The encoder writes a PADDING\n");
1460 printf(" block of 4096 bytes by default.\n");
1461 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1462 printf(" 1152 for -l 0, else 4608; must be one of 192,\n");
1463 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1464 printf(" 4096, 8192, 16384, or 32768 (unless --lax is\n");
1466 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1467 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1468 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1469 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1470 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1471 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1472 printf(" -5 is the default setting\n");
1473 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1474 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1475 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1476 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1477 printf(" (stereo only)\n");
1478 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1479 printf(" (stereo only)\n");
1480 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1481 printf(" -A, --apodization=\"function\" Window audio data with given the function.\n");
1482 printf(" The functions are: bartlett, bartlett_hann,\n");
1483 printf(" blackman, blackman_harris_4term_92db,\n");
1484 printf(" connes, flattop, gauss(STDDEV), hamming,\n");
1485 printf(" hann, kaiser_bessel, nuttall, rectangle,\n");
1486 printf(" triangle, tukey(P), welch. More than one\n");
1487 printf(" may be specified but encoding time is a\n");
1488 printf(" multiple of the number of functions since\n");
1489 printf(" they are each tried in turn. The encoder\n");
1490 printf(" chooses suitable defaults in the absence\n");
1491 printf(" of any -A options.\n");
1492 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1493 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1494 printf(" quantization (expensive!); overrides -q;\n");
1495 printf(" does nothing if using -l 0\n");
1496 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1497 printf(" linear-predictor coefficients; 0 => let\n");
1498 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1499 printf(" default is -q 0)\n");
1500 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1501 printf(" (# is 0..16; min defaults to 0; the\n");
1502 printf(" default is -r 0; above 4 doesn't usually\n");
1503 printf(" help much)\n");
1504 printf("format options:\n");
1505 printf(" --endian={big|little} Set byte order for samples\n");
1506 printf(" --channels=# Number of channels\n");
1507 printf(" --bps=# Number of bits per sample\n");
1508 printf(" --sample-rate=# Sample rate in Hz\n");
1509 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1510 printf(" --input-size=# Size of the raw input in bytes. If you are\n");
1511 printf(" encoding raw samples from stdin, you must set\n");
1512 printf(" this option in order to be able to use --skip,\n");
1513 printf(" --until, --cue-sheet, or other options that need\n");
1514 printf(" to know the size of the input beforehand. If\n");
1515 printf(" the size given is greater than what is found in\n");
1516 printf(" the input stream, the encoder will complain\n");
1517 printf(" about an unexpected end-of-file. If the size\n");
1518 printf(" given is less, samples will be truncated.\n");
1519 printf(" --force-aiff-format Force the decoder to output AIFF format. This\n");
1520 printf(" option is not needed if the output filename (as\n");
1521 printf(" set by -o) ends with .aif or .aiff; this option\n");
1522 printf(" has no effect when encoding since input AIFF is\n");
1523 printf(" auto-detected.\n");
1524 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1525 printf(" decoding) to be treated as raw samples\n");
1526 printf("negative options:\n");
1527 printf(" --no-adaptive-mid-side\n");
1528 printf(" --no-decode-through-errors\n");
1529 printf(" --no-delete-input-file\n");
1530 printf(" --no-exhaustive-model-search\n");
1531 printf(" --no-lax\n");
1532 printf(" --no-mid-side\n");
1533 #ifdef FLAC__HAS_OGG
1534 printf(" --no-ogg\n");
1536 printf(" --no-padding\n");
1537 printf(" --no-qlp-coeff-prec-search\n");
1538 printf(" --no-residual-gnuplot\n");
1539 printf(" --no-residual-text\n");
1540 printf(" --no-sector-align\n");
1541 printf(" --no-seektable\n");
1542 printf(" --no-silent\n");
1543 printf(" --no-force\n");
1544 printf(" --no-verify\n");
1547 void format_mistake(const char *infilename, const char *wrong, const char *right)
1549 flac__utils_printf(stderr, 1, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right);
1552 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1554 FILE *encode_infile;
1555 FLAC__byte lookahead[12];
1556 unsigned lookahead_length = 0;
1557 FileFormat fmt = RAW;
1558 FLAC__bool is_aifc = false;
1561 encode_options_t common_options;
1562 const char *outfilename = get_encoded_outfilename(infilename); /* the final name of the encoded file */
1563 /* internal_outfilename is the file we will actually write to; it will be a temporary name if infilename==outfilename */
1564 char *internal_outfilename = 0; /* NULL implies 'use outfilename' */
1566 if(0 == outfilename) {
1567 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1571 if(0 == strcmp(infilename, "-")) {
1572 infilesize = (off_t)(-1);
1573 encode_infile = grabbag__file_get_binary_stdin();
1576 infilesize = grabbag__file_get_filesize(infilename);
1577 if(0 == (encode_infile = fopen(infilename, "rb"))) {
1578 flac__utils_printf(stderr, 1, "ERROR: can't open input file %s: %s\n", infilename, strerror(errno));
1583 if(!option_values.force_raw_format) {
1584 /* first set format based on name */
1585 if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".wav"))
1587 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".aif"))
1589 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".aiff"))
1591 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".flac"))
1594 /* attempt to guess the file type based on the first 12 bytes */
1595 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1597 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1601 if(!strncmp((const char *)lookahead, "RIFF", 4) && !strncmp((const char *)lookahead+8, "WAVE", 4))
1603 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFF", 4))
1605 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFC", 4)) {
1609 else if(!memcmp(lookahead, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING)))
1613 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1620 * Error if output file already exists (and -f not used).
1621 * Use grabbag__file_get_filesize() as a cheap way to check.
1623 if(!option_values.test_only && !option_values.force_file_overwrite && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1625 /* need more detailed error message when re-flac'ing to avoid confusing the user */
1626 flac__utils_printf(stderr, 1,
1627 "ERROR: output file %s already exists.\n\n"
1628 "By default flac encodes files to FLAC format; if you meant to decode this file\n"
1629 "from FLAC to something else, use -d. If you meant to re-encode this file from\n"
1630 "FLAC to FLAC again, use -f to force writing to the same file, or -o to specify\n"
1631 "a different output filename.\n",
1636 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1640 if(option_values.format_input_size >= 0) {
1641 if (fmt != RAW || infilesize >= 0) {
1642 flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n");
1646 infilesize = option_values.format_input_size;
1650 if(option_values.sector_align && fmt == FLAC) {
1651 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input file is FLAC\n");
1654 if(option_values.sector_align && fmt == RAW && infilesize < 0) {
1655 flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input size is unknown\n");
1660 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)
1661 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1664 if(encode_infile == stdin || option_values.force_to_stdout) {
1665 if(option_values.replay_gain)
1666 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1669 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1670 return usage_error("ERROR: invalid value for --skip\n");
1672 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 */
1673 return usage_error("ERROR: invalid value for --until\n");
1674 /* if there is no "--until" we want to default to "--until=-0" */
1675 if(0 == option_values.until_specification)
1676 common_options.until_specification.is_relative = true;
1678 common_options.verify = option_values.verify;
1679 #ifdef FLAC__HAS_OGG
1680 common_options.use_ogg = option_values.use_ogg;
1681 /* set a random serial number if one has not yet been specified */
1682 if(!option_values.has_serial_number) {
1683 option_values.serial_number = rand();
1684 option_values.has_serial_number = true;
1686 common_options.serial_number = option_values.serial_number++;
1688 common_options.lax = option_values.lax;
1689 common_options.do_mid_side = option_values.do_mid_side;
1690 common_options.loose_mid_side = option_values.loose_mid_side;
1691 common_options.do_exhaustive_model_search = option_values.do_exhaustive_model_search;
1692 common_options.do_escape_coding = option_values.do_escape_coding;
1693 common_options.do_qlp_coeff_prec_search = option_values.do_qlp_coeff_prec_search;
1694 common_options.min_residual_partition_order = option_values.min_residual_partition_order;
1695 common_options.max_residual_partition_order = option_values.max_residual_partition_order;
1696 common_options.rice_parameter_search_dist = option_values.rice_parameter_search_dist;
1697 common_options.apodizations = option_values.apodizations;
1698 common_options.max_lpc_order = option_values.max_lpc_order;
1699 common_options.blocksize = (unsigned)option_values.blocksize;
1700 common_options.qlp_coeff_precision = option_values.qlp_coeff_precision;
1701 common_options.padding = option_values.padding;
1702 common_options.requested_seek_points = option_values.requested_seek_points;
1703 common_options.num_requested_seek_points = option_values.num_requested_seek_points;
1704 common_options.cuesheet_filename = option_values.cuesheet_filename;
1705 common_options.cued_seekpoints = option_values.cued_seekpoints;
1706 common_options.is_first_file = is_first_file;
1707 common_options.is_last_file = is_last_file;
1708 common_options.align_reservoir = align_reservoir;
1709 common_options.align_reservoir_samples = &align_reservoir_samples;
1710 common_options.replay_gain = option_values.replay_gain;
1711 common_options.sector_align = option_values.sector_align;
1712 common_options.vorbis_comment = option_values.vorbis_comment;
1713 common_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1714 common_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1715 common_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1717 /* if infilename==outfilename, we need to write to a temporary file */
1718 if(encode_infile != stdin && 0 == strcmp(infilename, outfilename)) { /*@@@@@@ BUG strcmp is not adequate to check if infilename and outfilename are the same file */
1719 static const char *tmp_suffix = ".tmp";
1720 if(0 == (internal_outfilename = malloc(strlen(outfilename)+strlen(tmp_suffix)+1))) {
1721 flac__utils_printf(stderr, 1, "ERROR allocating memory for tempfile name\n");
1724 strcpy(internal_outfilename, outfilename);
1725 strcat(internal_outfilename, tmp_suffix);
1729 raw_encode_options_t options;
1731 options.common = common_options;
1732 options.is_big_endian = option_values.format_is_big_endian;
1733 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1734 options.channels = option_values.format_channels;
1735 options.bps = option_values.format_bps;
1736 options.sample_rate = option_values.format_sample_rate;
1738 retval = flac__encode_raw(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options);
1740 else if(fmt == FLAC) {
1741 flac_encode_options_t options;
1743 options.common = common_options;
1745 retval = flac__encode_flac(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options);
1748 wav_encode_options_t options;
1750 options.common = common_options;
1753 retval = flac__encode_aif(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options, is_aifc);
1755 retval = flac__encode_wav(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options);
1759 if(strcmp(outfilename, "-")) {
1760 if(option_values.replay_gain) {
1761 float title_gain, title_peak;
1763 grabbag__replaygain_get_title(&title_gain, &title_peak);
1765 0 != (error = grabbag__replaygain_store_to_file_reference(internal_outfilename? internal_outfilename : outfilename, /*preserve_modtime=*/true)) ||
1766 0 != (error = grabbag__replaygain_store_to_file_title(internal_outfilename? internal_outfilename : outfilename, title_gain, title_peak, /*preserve_modtime=*/true))
1768 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain reference/title tags (%s)\n", outfilename, error);
1771 if(strcmp(infilename, "-"))
1772 grabbag__file_copy_metadata(infilename, internal_outfilename? internal_outfilename : outfilename);
1776 /* rename temporary file if necessary */
1777 if(retval == 0 && internal_outfilename != 0) {
1778 if(rename(internal_outfilename, outfilename) < 0) {
1779 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
1780 /* on some flavors of windows, rename() will fail if the destination already exists, so we unlink and try again */
1781 if(unlink(outfilename) < 0) {
1782 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);
1785 else if(rename(internal_outfilename, outfilename) < 0) {
1786 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);
1790 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);
1796 /* handle --delete-input-file, but don't want to delete if piping from stdin, or if input filename and output filename are the same */
1797 if(retval == 0 && option_values.delete_input && strcmp(infilename, "-") && internal_outfilename == 0)
1800 if(internal_outfilename != 0)
1801 free(internal_outfilename);
1806 int decode_file(const char *infilename)
1809 FLAC__bool treat_as_ogg = false;
1810 decode_options_t common_options;
1811 const char *outfilename = get_decoded_outfilename(infilename);
1813 if(0 == outfilename) {
1814 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1819 * Error if output file already exists (and -f not used).
1820 * Use grabbag__file_get_filesize() as a cheap way to check.
1822 if(!option_values.test_only && !option_values.force_file_overwrite && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1823 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1827 if(!option_values.test_only && !option_values.analyze) {
1828 if(option_values.force_raw_format && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
1829 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
1832 if(option_values.use_ogg)
1833 treat_as_ogg = true;
1834 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
1835 treat_as_ogg = true;
1837 treat_as_ogg = false;
1839 #ifndef FLAC__HAS_OGG
1841 flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename);
1846 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1847 return usage_error("ERROR: invalid value for --skip\n");
1849 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 */
1850 return usage_error("ERROR: invalid value for --until\n");
1851 /* if there is no "--until" we want to default to "--until=-0" */
1852 if(0 == option_values.until_specification)
1853 common_options.until_specification.is_relative = true;
1855 if(option_values.cue_specification) {
1856 if(!flac__utils_parse_cue_specification(option_values.cue_specification, &common_options.cue_specification))
1857 return usage_error("ERROR: invalid value for --cue\n");
1858 common_options.has_cue_specification = true;
1861 common_options.has_cue_specification = false;
1863 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1864 common_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
1865 #ifdef FLAC__HAS_OGG
1866 common_options.is_ogg = treat_as_ogg;
1867 common_options.use_first_serial_number = !option_values.has_serial_number;
1868 common_options.serial_number = option_values.serial_number;
1871 if(!option_values.force_raw_format) {
1872 wav_decode_options_t options;
1874 options.common = common_options;
1877 option_values.force_aiff_format ||
1878 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) ||
1879 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff"))
1881 retval = flac__decode_aiff(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1883 retval = flac__decode_wav(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1886 raw_decode_options_t options;
1888 options.common = common_options;
1889 options.is_big_endian = option_values.format_is_big_endian;
1890 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1892 retval = flac__decode_raw(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1895 if(retval == 0 && strcmp(infilename, "-")) {
1896 if(strcmp(outfilename, "-"))
1897 grabbag__file_copy_metadata(infilename, outfilename);
1898 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
1905 const char *get_encoded_outfilename(const char *infilename)
1907 const char *suffix = (option_values.use_ogg? ".ogg" : ".flac");
1908 return get_outfilename(infilename, suffix);
1911 const char *get_decoded_outfilename(const char *infilename)
1914 if(option_values.analyze) {
1917 else if(option_values.force_raw_format) {
1920 else if(option_values.force_aiff_format) {
1926 return get_outfilename(infilename, suffix);
1929 const char *get_outfilename(const char *infilename, const char *suffix)
1931 if(0 == option_values.cmdline_forced_outfilename) {
1932 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
1934 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
1935 strcpy(buffer, "-");
1939 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
1941 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
1943 if(0 == (p = strrchr(buffer, '.'))) {
1944 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1949 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1956 return option_values.cmdline_forced_outfilename;
1959 void die(const char *message)
1961 FLAC__ASSERT(0 != message);
1962 flac__utils_printf(stderr, 1, "ERROR: %s\n", message);
1966 char *local_strdup(const char *source)
1969 FLAC__ASSERT(0 != source);
1970 if(0 == (ret = strdup(source)))
1971 die("out of memory during strdup()");