1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004,2005 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.
31 #if !defined _MSC_VER && !defined __MINGW32__
32 /* unlink is in stdio.h in VC++ */
33 #include <unistd.h> /* for unlink() */
36 #include "share/grabbag.h"
40 #include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */
42 #include "vorbiscomment.h"
44 #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
45 #define FLAC__STRCASECMP stricmp
47 #define FLAC__STRCASECMP strcasecmp
51 /*[JEC] was:#if HAVE_GETOPT_LONG*/
52 /*[JEC] see flac/include/share/getopt.h as to why the change */
55 # include "share/getopt.h"
58 typedef enum { RAW, WAV, AIF } FileFormat;
62 static FLAC__bool init_options();
63 static int parse_options(int argc, char *argv[]);
64 static int parse_option(int short_option, const char *long_option, const char *option_argument);
65 static void free_options();
67 static int usage_error(const char *message, ...);
68 static void short_usage();
69 static void show_version();
70 static void show_help();
71 static void show_explain();
72 static void format_mistake(const char *infilename, const char *wrong, const char *right);
74 static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file);
75 static int decode_file(const char *infilename);
77 static const char *get_encoded_outfilename(const char *infilename);
78 static const char *get_decoded_outfilename(const char *infilename);
79 static const char *get_outfilename(const char *infilename, const char *suffix);
81 static void die(const char *message);
82 static char *local_strdup(const char *source);
86 * share__getopt format struct; note that for long options with no
87 * short option equivalent we just set the 'val' field to 0.
89 static struct share__option long_options_[] = {
93 { "help" , share__no_argument, 0, 'h' },
94 { "explain" , share__no_argument, 0, 'H' },
95 { "version" , share__no_argument, 0, 'v' },
96 { "decode" , share__no_argument, 0, 'd' },
97 { "analyze" , share__no_argument, 0, 'a' },
98 { "test" , share__no_argument, 0, 't' },
99 { "stdout" , share__no_argument, 0, 'c' },
100 { "silent" , share__no_argument, 0, 's' },
101 { "totally-silent" , share__no_argument, 0, 0 },
102 { "force" , share__no_argument, 0, 'f' },
103 { "delete-input-file", share__no_argument, 0, 0 },
104 { "output-prefix" , share__required_argument, 0, 0 },
105 { "output-name" , share__required_argument, 0, 'o' },
106 { "skip" , share__required_argument, 0, 0 },
107 { "until" , share__required_argument, 0, 0 },
112 { "decode-through-errors", share__no_argument, 0, 'F' },
113 { "cue" , share__required_argument, 0, 0 },
114 { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */
119 { "cuesheet" , share__required_argument, 0, 0 },
120 { "no-cued-seekpoints" , share__no_argument, 0, 0 },
121 { "tag" , share__required_argument, 0, 'T' },
122 { "compression-level-0" , share__no_argument, 0, '0' },
123 { "compression-level-1" , share__no_argument, 0, '1' },
124 { "compression-level-2" , share__no_argument, 0, '2' },
125 { "compression-level-3" , share__no_argument, 0, '3' },
126 { "compression-level-4" , share__no_argument, 0, '4' },
127 { "compression-level-5" , share__no_argument, 0, '5' },
128 { "compression-level-6" , share__no_argument, 0, '6' },
129 { "compression-level-7" , share__no_argument, 0, '7' },
130 { "compression-level-8" , share__no_argument, 0, '8' },
131 { "compression-level-9" , share__no_argument, 0, '9' },
132 { "best" , share__no_argument, 0, '8' },
133 { "fast" , share__no_argument, 0, '0' },
134 { "super-secret-totally-impractical-compression-level", share__no_argument, 0, 0 },
135 { "verify" , share__no_argument, 0, 'V' },
136 { "force-aiff-format" , share__no_argument, 0, 0 },
137 { "force-raw-format" , share__no_argument, 0, 0 },
138 { "lax" , share__no_argument, 0, 0 },
139 { "replay-gain" , share__no_argument, 0, 0 },
140 { "sector-align" , share__no_argument, 0, 0 },
141 { "seekpoint" , share__required_argument, 0, 'S' },
142 { "padding" , share__required_argument, 0, 'P' },
144 { "ogg" , share__no_argument, 0, 0 },
145 { "serial-number" , share__required_argument, 0, 0 },
147 { "blocksize" , share__required_argument, 0, 'b' },
148 { "exhaustive-model-search" , share__no_argument, 0, 'e' },
149 { "max-lpc-order" , share__required_argument, 0, 'l' },
150 { "mid-side" , share__no_argument, 0, 'm' },
151 { "adaptive-mid-side" , share__no_argument, 0, 'M' },
152 { "qlp-coeff-precision-search", share__no_argument, 0, 'p' },
153 { "qlp-coeff-precision" , share__required_argument, 0, 'q' },
154 { "rice-partition-order" , share__required_argument, 0, 'r' },
155 { "endian" , share__required_argument, 0, 0 },
156 { "channels" , share__required_argument, 0, 0 },
157 { "bps" , share__required_argument, 0, 0 },
158 { "sample-rate" , share__required_argument, 0, 0 },
159 { "sign" , share__required_argument, 0, 0 },
160 { "input-size" , share__required_argument, 0, 0 },
165 { "residual-gnuplot", share__no_argument, 0, 0 },
166 { "residual-text", share__no_argument, 0, 0 },
171 { "no-decode-through-errors" , share__no_argument, 0, 0 },
172 { "no-silent" , share__no_argument, 0, 0 },
173 { "no-force" , share__no_argument, 0, 0 },
174 { "no-seektable" , share__no_argument, 0, 0 },
175 { "no-delete-input-file" , share__no_argument, 0, 0 },
176 { "no-replay-gain" , share__no_argument, 0, 0 },
177 { "no-sector-align" , share__no_argument, 0, 0 },
178 { "no-lax" , share__no_argument, 0, 0 },
180 { "no-ogg" , share__no_argument, 0, 0 },
182 { "no-exhaustive-model-search", share__no_argument, 0, 0 },
183 { "no-mid-side" , share__no_argument, 0, 0 },
184 { "no-adaptive-mid-side" , share__no_argument, 0, 0 },
185 { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 },
186 { "no-padding" , share__no_argument, 0, 0 },
187 { "no-verify" , share__no_argument, 0, 0 },
188 { "no-residual-gnuplot" , share__no_argument, 0, 0 },
189 { "no-residual-text" , share__no_argument, 0, 0 },
191 * undocumented debugging options for the test suite
193 { "disable-constant-subframes", share__no_argument, 0, 0 },
194 { "disable-fixed-subframes" , share__no_argument, 0, 0 },
195 { "disable-verbatim-subframes", share__no_argument, 0, 0 },
202 * global to hold command-line option values
206 FLAC__bool show_help;
207 FLAC__bool show_explain;
208 FLAC__bool show_version;
209 FLAC__bool mode_decode;
211 FLAC__bool force_file_overwrite;
212 FLAC__bool continue_through_decode_errors;
213 replaygain_synthesis_spec_t replaygain_synthesis_spec;
215 FLAC__bool test_only;
218 FLAC__bool has_serial_number; /* true iff --serial-number was used */
219 long serial_number; /* this is the Ogg serial number and is unused for native FLAC */
220 FLAC__bool do_mid_side;
221 FLAC__bool loose_mid_side;
222 FLAC__bool do_exhaustive_model_search;
223 FLAC__bool do_escape_coding;
224 FLAC__bool do_qlp_coeff_prec_search;
225 FLAC__bool force_to_stdout;
226 FLAC__bool force_aiff_format;
227 FLAC__bool force_raw_format;
228 FLAC__bool delete_input;
229 FLAC__bool replay_gain;
230 FLAC__bool sector_align;
231 const char *cmdline_forced_outfilename;
232 const char *output_prefix;
233 analysis_options aopts;
235 unsigned max_lpc_order;
236 unsigned qlp_coeff_precision;
237 const char *skip_specification;
238 const char *until_specification;
239 const char *cue_specification;
240 int format_is_big_endian;
241 int format_is_unsigned_samples;
244 int format_sample_rate;
245 long format_input_size;
247 int min_residual_partition_order;
248 int max_residual_partition_order;
249 int rice_parameter_search_dist;
250 char requested_seek_points[50000]; /* bad MAGIC NUMBER but buffer overflow is checked */
251 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
252 const char *cuesheet_filename;
253 FLAC__bool cued_seekpoints;
258 FLAC__StreamMetadata *vorbis_comment;
261 FLAC__bool disable_constant_subframes;
262 FLAC__bool disable_fixed_subframes;
263 FLAC__bool disable_verbatim_subframes;
269 * miscellaneous globals
272 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */
273 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
274 static unsigned align_reservoir_samples = 0; /* 0 .. 587 */
277 int main(int argc, char *argv[])
282 _response(&argc, &argv);
283 _wildcard(&argc, &argv);
286 setlocale(LC_ALL, "");
287 if(!init_options()) {
288 flac__utils_printf(stderr, 1, "ERROR: allocating memory\n");
292 if((retval = parse_options(argc, argv)) == 0)
305 if(option_values.show_version) {
309 else if(option_values.show_explain) {
313 else if(option_values.show_help) {
318 if(option_values.num_files == 0) {
319 if(flac__utils_verbosity_ >= 1)
325 * tweak options; validate the values
327 if(!option_values.mode_decode) {
328 if(option_values.blocksize < 0) {
329 if(option_values.max_lpc_order == 0)
330 option_values.blocksize = 1152;
332 option_values.blocksize = 4608;
334 if(option_values.max_residual_partition_order < 0) {
335 if(option_values.blocksize <= 1152)
336 option_values.max_residual_partition_order = 2;
337 else if(option_values.blocksize <= 2304)
338 option_values.max_residual_partition_order = 3;
339 else if(option_values.blocksize <= 4608)
340 option_values.max_residual_partition_order = 3;
342 option_values.max_residual_partition_order = 4;
343 option_values.min_residual_partition_order = option_values.max_residual_partition_order;
345 if(option_values.rice_parameter_search_dist < 0) {
346 option_values.rice_parameter_search_dist = 0;
348 if(0 != option_values.cue_specification)
349 return usage_error("ERROR: --cue is not allowed in test mode\n");
352 if(option_values.test_only) {
353 if(0 != option_values.skip_specification)
354 return usage_error("ERROR: --skip is not allowed in test mode\n");
355 if(0 != option_values.until_specification)
356 return usage_error("ERROR: --until is not allowed in test mode\n");
357 if(0 != option_values.cue_specification)
358 return usage_error("ERROR: --cue is not allowed in test mode\n");
359 if(0 != option_values.analyze)
360 return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\n");
364 if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification))
365 return usage_error("ERROR: --cue may not be combined with --skip or --until\n");
367 FLAC__ASSERT(option_values.blocksize >= 0 || option_values.mode_decode);
369 if(option_values.format_channels >= 0) {
370 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
371 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
373 if(option_values.format_bps >= 0) {
374 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
375 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
377 if(option_values.format_sample_rate >= 0) {
378 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
379 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
381 if(option_values.force_raw_format && option_values.force_aiff_format)
382 return usage_error("ERROR: only one of --force-raw-format and --force-aiff-format allowed\n");
383 if(option_values.mode_decode) {
384 if(!option_values.force_raw_format) {
385 if(option_values.format_is_big_endian >= 0)
386 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
387 if(option_values.format_is_unsigned_samples >= 0)
388 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
390 if(option_values.format_channels >= 0)
391 return usage_error("ERROR: --channels not allowed with --decode\n");
392 if(option_values.format_bps >= 0)
393 return usage_error("ERROR: --bps not allowed with --decode\n");
394 if(option_values.format_sample_rate >= 0)
395 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
397 if(!option_values.mode_decode && ((unsigned)option_values.blocksize < FLAC__MIN_BLOCK_SIZE || (unsigned)option_values.blocksize > FLAC__MAX_BLOCK_SIZE)) {
398 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);
400 if(option_values.qlp_coeff_precision > 0 && option_values.qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION) {
401 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);
404 if(option_values.sector_align) {
405 if(option_values.mode_decode)
406 return usage_error("ERROR: --sector-align only allowed for encoding\n");
407 if(0 != option_values.skip_specification)
408 return usage_error("ERROR: --sector-align not allowed with --skip\n");
409 if(0 != option_values.until_specification)
410 return usage_error("ERROR: --sector-align not allowed with --until\n");
411 if(0 != option_values.cue_specification)
412 return usage_error("ERROR: --sector-align not allowed with --cue\n");
413 if(option_values.format_channels >= 0 && option_values.format_channels != 2)
414 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
415 if(option_values.format_bps >= 0 && option_values.format_bps != 16)
416 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
417 if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
418 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
420 if(option_values.replay_gain) {
421 if(option_values.force_to_stdout)
422 return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n");
423 if(option_values.mode_decode)
424 return usage_error("ERROR: --replay-gain only allowed for encoding\n");
425 if(option_values.format_channels > 2)
426 return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n");
427 if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate))
428 return usage_error("ERROR: invalid sample rate used with --replay-gain\n");
430 * We want to reserve padding space for the ReplayGain
431 * tags that we will set later, to avoid rewriting the
434 if(option_values.padding < 0) {
435 flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n");
436 option_values.padding = GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
439 option_values.padding += GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED;
442 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
443 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
445 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
446 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
448 if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) {
449 return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n");
453 flac__utils_printf(stderr, 2, "\n");
454 flac__utils_printf(stderr, 2, "flac %s, Copyright (C) 2000,2001,2002,2003,2004,2005 Josh Coalson\n", FLAC__VERSION_STRING);
455 flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
456 flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
458 if(!option_values.mode_decode) {
460 if(option_values.padding < 0)
463 sprintf(padopt, " %d", option_values.padding);
464 flac__utils_printf(stderr, 2,
465 "options:%s%s%s%s -P%s -b %u%s -l %u%s%s%s -q %u -r %u,%u%s\n",
466 option_values.delete_input?" --delete-input-file":"",
467 option_values.sector_align?" --sector-align":"",
468 option_values.use_ogg?" --ogg":"",
469 option_values.lax?" --lax":"",
471 (unsigned)option_values.blocksize,
472 option_values.loose_mid_side?" -M":option_values.do_mid_side?" -m":"",
473 option_values.max_lpc_order,
474 option_values.do_exhaustive_model_search?" -e":"",
475 option_values.do_escape_coding?" -E":"",
476 option_values.do_qlp_coeff_prec_search?" -p":"",
477 option_values.qlp_coeff_precision,
478 (unsigned)option_values.min_residual_partition_order,
479 (unsigned)option_values.max_residual_partition_order,
480 option_values.verify? " -V":""
484 if(option_values.mode_decode) {
485 FLAC__bool first = true;
487 if(option_values.num_files == 0) {
488 retval = decode_file("-");
492 if(option_values.num_files > 1)
493 option_values.cmdline_forced_outfilename = 0;
494 for(i = 0, retval = 0; i < option_values.num_files; i++) {
495 if(0 == strcmp(option_values.filenames[i], "-") && !first)
497 retval |= decode_file(option_values.filenames[i]);
503 FLAC__bool first = true;
505 if(option_values.num_files == 0) {
506 retval = encode_file("-", first, true);
510 if(option_values.num_files > 1)
511 option_values.cmdline_forced_outfilename = 0;
512 for(i = 0, retval = 0; i < option_values.num_files; i++) {
513 if(0 == strcmp(option_values.filenames[i], "-") && !first)
515 retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1));
518 if(option_values.replay_gain && retval == 0) {
519 float album_gain, album_peak;
520 grabbag__replaygain_get_album(&album_gain, &album_peak);
521 for(i = 0; i < option_values.num_files; i++) {
522 const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]);
523 if(0 == outfilename) {
524 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]);
527 if(0 == strcmp(option_values.filenames[i], "-")) {
529 /* double protection */
530 flac__utils_printf(stderr, 1, "internal error\n");
533 if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, /*preserve_modtime=*/true))) {
534 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags\n", outfilename);
545 FLAC__bool init_options()
547 option_values.show_help = false;
548 option_values.show_explain = false;
549 option_values.mode_decode = false;
550 option_values.verify = false;
551 option_values.force_file_overwrite = false;
552 option_values.continue_through_decode_errors = false;
553 option_values.replaygain_synthesis_spec.apply = false;
554 option_values.replaygain_synthesis_spec.use_album_gain = true;
555 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
556 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW;
557 option_values.replaygain_synthesis_spec.preamp = 0.0;
558 option_values.lax = false;
559 option_values.test_only = false;
560 option_values.analyze = false;
561 option_values.use_ogg = false;
562 option_values.has_serial_number = false;
563 option_values.serial_number = 0;
564 option_values.do_mid_side = true;
565 option_values.loose_mid_side = false;
566 option_values.do_exhaustive_model_search = false;
567 option_values.do_escape_coding = false;
568 option_values.do_qlp_coeff_prec_search = false;
569 option_values.force_to_stdout = false;
570 option_values.force_aiff_format = false;
571 option_values.force_raw_format = false;
572 option_values.delete_input = false;
573 option_values.replay_gain = false;
574 option_values.sector_align = false;
575 option_values.cmdline_forced_outfilename = 0;
576 option_values.output_prefix = 0;
577 option_values.aopts.do_residual_text = false;
578 option_values.aopts.do_residual_gnuplot = false;
579 option_values.padding = 4096;
580 option_values.max_lpc_order = 8;
581 option_values.qlp_coeff_precision = 0;
582 option_values.skip_specification = 0;
583 option_values.until_specification = 0;
584 option_values.cue_specification = 0;
585 option_values.format_is_big_endian = -1;
586 option_values.format_is_unsigned_samples = -1;
587 option_values.format_channels = -1;
588 option_values.format_bps = -1;
589 option_values.format_sample_rate = -1;
590 option_values.format_input_size = -1;
591 option_values.blocksize = -1;
592 option_values.min_residual_partition_order = -1;
593 option_values.max_residual_partition_order = -1;
594 option_values.rice_parameter_search_dist = -1;
595 option_values.requested_seek_points[0] = '\0';
596 option_values.num_requested_seek_points = -1;
597 option_values.cuesheet_filename = 0;
598 option_values.cued_seekpoints = true;
600 option_values.num_files = 0;
601 option_values.filenames = 0;
603 if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT)))
606 option_values.debug.disable_constant_subframes = false;
607 option_values.debug.disable_fixed_subframes = false;
608 option_values.debug.disable_verbatim_subframes = false;
613 int parse_options(int argc, char *argv[])
616 int option_index = 1;
617 FLAC__bool had_error = false;
618 const char *short_opts = "0123456789ab:cdefFhHl:mMo:pP:q:r:sS:tT:vV";
620 while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
621 switch (short_option) {
622 case 0: /* long option with no equivalent short option */
623 had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0);
629 default: /* short option */
630 had_error |= (parse_option(short_option, 0, share__optarg) != 0);
639 FLAC__ASSERT(share__optind <= argc);
641 option_values.num_files = argc - share__optind;
643 if(option_values.num_files > 0) {
645 if(0 == (option_values.filenames = (char**)malloc(sizeof(char*) * option_values.num_files)))
646 die("out of memory allocating space for file names list");
647 while(share__optind < argc)
648 option_values.filenames[i++] = local_strdup(argv[share__optind++]);
654 int parse_option(int short_option, const char *long_option, const char *option_argument)
658 if(short_option == 0) {
659 FLAC__ASSERT(0 != long_option);
660 if(0 == strcmp(long_option, "totally-silent")) {
661 flac__utils_verbosity_ = 0;
663 else if(0 == strcmp(long_option, "delete-input-file")) {
664 option_values.delete_input = true;
666 else if(0 == strcmp(long_option, "output-prefix")) {
667 FLAC__ASSERT(0 != option_argument);
668 option_values.output_prefix = option_argument;
670 else if(0 == strcmp(long_option, "skip")) {
671 FLAC__ASSERT(0 != option_argument);
672 option_values.skip_specification = option_argument;
674 else if(0 == strcmp(long_option, "until")) {
675 FLAC__ASSERT(0 != option_argument);
676 option_values.until_specification = option_argument;
678 else if(0 == strcmp(long_option, "input-size")) {
679 FLAC__ASSERT(0 != option_argument);
680 option_values.format_input_size = atol(option_argument);
682 else if(0 == strcmp(long_option, "cue")) {
683 FLAC__ASSERT(0 != option_argument);
684 option_values.cue_specification = option_argument;
686 else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) {
687 option_values.replaygain_synthesis_spec.apply = true;
688 if (0 != option_argument) {
690 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE;
691 option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE;
692 option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p);
695 option_values.replaygain_synthesis_spec.use_album_gain = true;
697 option_values.replaygain_synthesis_spec.use_album_gain = false;
699 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK;
701 option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD;
702 else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') {
703 option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0';
707 return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option);
711 else if(0 == strcmp(long_option, "cuesheet")) {
712 FLAC__ASSERT(0 != option_argument);
713 option_values.cuesheet_filename = option_argument;
715 else if(0 == strcmp(long_option, "no-cued-seekpoints")) {
716 option_values.cued_seekpoints = false;
718 else if(0 == strcmp(long_option, "super-secret-totally-impractical-compression-level")) {
719 option_values.lax = true;
720 option_values.do_exhaustive_model_search = true;
721 option_values.do_escape_coding = true;
722 option_values.do_mid_side = true;
723 option_values.loose_mid_side = false;
724 option_values.do_qlp_coeff_prec_search = true;
725 option_values.min_residual_partition_order = 0;
726 option_values.max_residual_partition_order = 16;
727 option_values.rice_parameter_search_dist = 0;
728 option_values.max_lpc_order = 32;
730 else if(0 == strcmp(long_option, "force-aiff-format")) {
731 option_values.force_aiff_format = true;
733 else if(0 == strcmp(long_option, "force-raw-format")) {
734 option_values.force_raw_format = true;
736 else if(0 == strcmp(long_option, "lax")) {
737 option_values.lax = true;
739 else if(0 == strcmp(long_option, "replay-gain")) {
740 option_values.replay_gain = true;
742 else if(0 == strcmp(long_option, "sector-align")) {
743 option_values.sector_align = true;
746 else if(0 == strcmp(long_option, "ogg")) {
747 option_values.use_ogg = true;
749 else if(0 == strcmp(long_option, "serial-number")) {
750 option_values.has_serial_number = true;
751 option_values.serial_number = atol(option_argument);
754 else if(0 == strcmp(long_option, "endian")) {
755 FLAC__ASSERT(0 != option_argument);
756 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
757 option_values.format_is_big_endian = true;
758 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
759 option_values.format_is_big_endian = false;
761 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
763 else if(0 == strcmp(long_option, "channels")) {
764 FLAC__ASSERT(0 != option_argument);
765 option_values.format_channels = atoi(option_argument);
767 else if(0 == strcmp(long_option, "bps")) {
768 FLAC__ASSERT(0 != option_argument);
769 option_values.format_bps = atoi(option_argument);
771 else if(0 == strcmp(long_option, "sample-rate")) {
772 FLAC__ASSERT(0 != option_argument);
773 option_values.format_sample_rate = atoi(option_argument);
775 else if(0 == strcmp(long_option, "sign")) {
776 FLAC__ASSERT(0 != option_argument);
777 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
778 option_values.format_is_unsigned_samples = false;
779 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
780 option_values.format_is_unsigned_samples = true;
782 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
784 else if(0 == strcmp(long_option, "residual-gnuplot")) {
785 option_values.aopts.do_residual_gnuplot = true;
787 else if(0 == strcmp(long_option, "residual-text")) {
788 option_values.aopts.do_residual_text = true;
793 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
794 option_values.continue_through_decode_errors = false;
796 else if(0 == strcmp(long_option, "no-silent")) {
797 flac__utils_verbosity_ = 2;
799 else if(0 == strcmp(long_option, "no-force")) {
800 option_values.force_file_overwrite = false;
802 else if(0 == strcmp(long_option, "no-seektable")) {
803 option_values.num_requested_seek_points = 0;
804 option_values.requested_seek_points[0] = '\0';
806 else if(0 == strcmp(long_option, "no-delete-input-file")) {
807 option_values.delete_input = false;
809 else if(0 == strcmp(long_option, "no-replay-gain")) {
810 option_values.replay_gain = false;
812 else if(0 == strcmp(long_option, "no-sector-align")) {
813 option_values.sector_align = false;
815 else if(0 == strcmp(long_option, "no-lax")) {
816 option_values.lax = false;
819 else if(0 == strcmp(long_option, "no-ogg")) {
820 option_values.use_ogg = false;
823 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
824 option_values.do_exhaustive_model_search = false;
826 else if(0 == strcmp(long_option, "no-mid-side")) {
827 option_values.do_mid_side = option_values.loose_mid_side = false;
829 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
830 option_values.loose_mid_side = option_values.do_mid_side = false;
832 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
833 option_values.do_qlp_coeff_prec_search = false;
835 else if(0 == strcmp(long_option, "no-padding")) {
836 option_values.padding = -1;
838 else if(0 == strcmp(long_option, "no-verify")) {
839 option_values.verify = false;
841 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
842 option_values.aopts.do_residual_gnuplot = false;
844 else if(0 == strcmp(long_option, "no-residual-text")) {
845 option_values.aopts.do_residual_text = false;
847 else if(0 == strcmp(long_option, "disable-constant-subframes")) {
848 option_values.debug.disable_constant_subframes = true;
850 else if(0 == strcmp(long_option, "disable-fixed-subframes")) {
851 option_values.debug.disable_fixed_subframes = true;
853 else if(0 == strcmp(long_option, "disable-verbatim-subframes")) {
854 option_values.debug.disable_verbatim_subframes = true;
858 const char *violation;
859 switch(short_option) {
861 option_values.show_help = true;
864 option_values.show_explain = true;
867 option_values.show_version = true;
870 option_values.mode_decode = true;
873 option_values.mode_decode = true;
874 option_values.analyze = true;
877 option_values.mode_decode = true;
878 option_values.test_only = true;
881 option_values.force_to_stdout = true;
884 flac__utils_verbosity_ = 1;
887 option_values.force_file_overwrite = true;
890 FLAC__ASSERT(0 != option_argument);
891 option_values.cmdline_forced_outfilename = option_argument;
894 option_values.continue_through_decode_errors = true;
897 FLAC__ASSERT(0 != option_argument);
898 if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, &violation))
899 return usage_error("ERROR: (-T/--tag) %s\n", violation);
902 option_values.do_exhaustive_model_search = false;
903 option_values.do_escape_coding = false;
904 option_values.do_mid_side = false;
905 option_values.loose_mid_side = false;
906 option_values.qlp_coeff_precision = 0;
907 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
908 option_values.rice_parameter_search_dist = 0;
909 option_values.max_lpc_order = 0;
912 option_values.do_exhaustive_model_search = false;
913 option_values.do_escape_coding = false;
914 option_values.do_mid_side = true;
915 option_values.loose_mid_side = true;
916 option_values.qlp_coeff_precision = 0;
917 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
918 option_values.rice_parameter_search_dist = 0;
919 option_values.max_lpc_order = 0;
922 option_values.do_exhaustive_model_search = false;
923 option_values.do_escape_coding = false;
924 option_values.do_mid_side = true;
925 option_values.loose_mid_side = false;
926 option_values.qlp_coeff_precision = 0;
927 option_values.min_residual_partition_order = 0;
928 option_values.max_residual_partition_order = 3;
929 option_values.rice_parameter_search_dist = 0;
930 option_values.max_lpc_order = 0;
933 option_values.do_exhaustive_model_search = false;
934 option_values.do_escape_coding = false;
935 option_values.do_mid_side = false;
936 option_values.loose_mid_side = false;
937 option_values.qlp_coeff_precision = 0;
938 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
939 option_values.rice_parameter_search_dist = 0;
940 option_values.max_lpc_order = 6;
943 option_values.do_exhaustive_model_search = false;
944 option_values.do_escape_coding = false;
945 option_values.do_mid_side = true;
946 option_values.loose_mid_side = true;
947 option_values.qlp_coeff_precision = 0;
948 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
949 option_values.rice_parameter_search_dist = 0;
950 option_values.max_lpc_order = 8;
953 option_values.do_exhaustive_model_search = false;
954 option_values.do_escape_coding = false;
955 option_values.do_mid_side = true;
956 option_values.loose_mid_side = false;
957 option_values.qlp_coeff_precision = 0;
958 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
959 option_values.rice_parameter_search_dist = 0;
960 option_values.max_lpc_order = 8;
963 option_values.do_exhaustive_model_search = false;
964 option_values.do_escape_coding = false;
965 option_values.do_mid_side = true;
966 option_values.loose_mid_side = false;
967 option_values.qlp_coeff_precision = 0;
968 option_values.min_residual_partition_order = 0;
969 option_values.max_residual_partition_order = 4;
970 option_values.rice_parameter_search_dist = 0;
971 option_values.max_lpc_order = 8;
974 option_values.do_exhaustive_model_search = true;
975 option_values.do_escape_coding = false;
976 option_values.do_mid_side = true;
977 option_values.loose_mid_side = false;
978 option_values.qlp_coeff_precision = 0;
979 option_values.min_residual_partition_order = 0;
980 option_values.max_residual_partition_order = 6;
981 option_values.rice_parameter_search_dist = 0;
982 option_values.max_lpc_order = 8;
985 option_values.do_exhaustive_model_search = true;
986 option_values.do_escape_coding = false;
987 option_values.do_mid_side = true;
988 option_values.loose_mid_side = false;
989 option_values.qlp_coeff_precision = 0;
990 option_values.min_residual_partition_order = 0;
991 option_values.max_residual_partition_order = 6;
992 option_values.rice_parameter_search_dist = 0;
993 option_values.max_lpc_order = 12;
996 return usage_error("ERROR: compression level '9' is reserved\n");
998 option_values.verify = true;
1001 FLAC__ASSERT(0 != option_argument);
1002 if(option_values.num_requested_seek_points < 0)
1003 option_values.num_requested_seek_points = 0;
1004 option_values.num_requested_seek_points++;
1005 if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) {
1006 return usage_error("ERROR: too many seekpoints requested\n");
1009 strcat(option_values.requested_seek_points, option_argument);
1010 strcat(option_values.requested_seek_points, ";");
1014 FLAC__ASSERT(0 != option_argument);
1015 option_values.padding = atoi(option_argument);
1016 if(option_values.padding < 0)
1017 return usage_error("ERROR: argument to -P must be >= 0\n");
1020 FLAC__ASSERT(0 != option_argument);
1021 option_values.blocksize = atoi(option_argument);
1024 option_values.do_exhaustive_model_search = true;
1027 option_values.do_escape_coding = true;
1030 FLAC__ASSERT(0 != option_argument);
1031 option_values.max_lpc_order = atoi(option_argument);
1034 option_values.do_mid_side = true;
1035 option_values.loose_mid_side = false;
1038 option_values.loose_mid_side = option_values.do_mid_side = true;
1041 option_values.do_qlp_coeff_prec_search = true;
1044 FLAC__ASSERT(0 != option_argument);
1045 option_values.qlp_coeff_precision = atoi(option_argument);
1048 FLAC__ASSERT(0 != option_argument);
1049 p = strchr(option_argument, ',');
1051 option_values.min_residual_partition_order = 0;
1052 option_values.max_residual_partition_order = atoi(option_argument);
1055 option_values.min_residual_partition_order = atoi(option_argument);
1056 option_values.max_residual_partition_order = atoi(++p);
1060 FLAC__ASSERT(0 != option_argument);
1061 option_values.rice_parameter_search_dist = atoi(option_argument);
1074 if(0 != option_values.filenames) {
1075 for(i = 0; i < option_values.num_files; i++) {
1076 if(0 != option_values.filenames[i])
1077 free(option_values.filenames[i]);
1079 free(option_values.filenames);
1081 if(0 != option_values.vorbis_comment)
1082 FLAC__metadata_object_delete(option_values.vorbis_comment);
1085 int usage_error(const char *message, ...)
1087 if(flac__utils_verbosity_ >= 1) {
1090 FLAC__ASSERT(0 != message);
1092 va_start(args, message);
1094 (void) vfprintf(stderr, message, args);
1098 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
1106 printf("flac %s\n", FLAC__VERSION_STRING);
1109 static void usage_header()
1111 printf("===============================================================================\n");
1112 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
1113 printf("Copyright (C) 2000,2001,2002,2003,2004,2005 Josh Coalson\n");
1115 printf("This program is free software; you can redistribute it and/or\n");
1116 printf("modify it under the terms of the GNU General Public License\n");
1117 printf("as published by the Free Software Foundation; either version 2\n");
1118 printf("of the License, or (at your option) any later version.\n");
1120 printf("This program is distributed in the hope that it will be useful,\n");
1121 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
1122 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
1123 printf("GNU General Public License for more details.\n");
1125 printf("You should have received a copy of the GNU General Public License\n");
1126 printf("along with this program; if not, write to the Free Software\n");
1127 printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
1128 printf("===============================================================================\n");
1131 static void usage_summary()
1135 printf(" Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]\n");
1136 printf(" Decoding: flac -d [<general-options>] [<format-options>] [FLACFILE [...]]\n");
1137 printf(" Testing: flac -t [<general-options>] [FLACFILE [...]]\n");
1138 printf("Analyzing: flac -a [<general-options>] [<analysis-options>] [FLACFILE [...]]\n");
1146 printf("This is the short help; for all options use 'flac --help'; for even more\n");
1147 printf("instructions use 'flac --explain'\n");
1149 printf("To encode:\n");
1150 printf(" flac [-#] [INPUTFILE [...]]\n");
1152 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
1154 printf("To decode:\n");
1155 printf(" flac -d [INPUTFILE [...]]\n");
1157 printf("To test:\n");
1158 printf(" flac -t [INPUTFILE [...]]\n");
1165 printf("general options:\n");
1166 printf(" -v, --version Show the flac version number\n");
1167 printf(" -h, --help Show this screen\n");
1168 printf(" -H, --explain Show detailed explanation of usage and options\n");
1169 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1170 printf(" -t, --test Same as -d except no decoded file is written\n");
1171 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1172 printf(" -c, --stdout Write output to stdout\n");
1173 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1174 printf(" --totally-silent Do not print anything, including errors\n");
1175 printf(" -f, --force Force overwriting of output files\n");
1176 printf(" -o, --output-name=FILENAME Force the output file name\n");
1177 printf(" --output-prefix=STRING Prepend STRING to output names\n");
1178 printf(" --delete-input-file Deletes after a successful encode/decode\n");
1179 printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n");
1180 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n");
1181 #ifdef FLAC__HAS_OGG
1182 printf(" --ogg Use Ogg as transport layer\n");
1183 printf(" --serial-number Serial number to use for the FLAC stream\n");
1185 printf("analysis options:\n");
1186 printf(" --residual-text Include residual signal in text output\n");
1187 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1188 printf("decoding options:\n");
1189 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
1190 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n");
1191 printf("encoding options:\n");
1192 printf(" -V, --verify Verify a correct encoding\n");
1193 printf(" --lax Allow encoder to generate non-Subset files\n");
1194 printf(" --sector-align Align multiple files on sector boundaries\n");
1195 printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n");
1196 printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n");
1197 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n");
1198 printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n");
1199 printf(" -P, --padding=# Write a PADDING block of length #\n");
1200 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1201 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1202 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1203 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1204 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1205 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1206 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1207 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1208 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1209 printf(" -b, --blocksize=# Specify blocksize in samples\n");
1210 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1211 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1212 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1213 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1214 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
1215 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
1216 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1217 printf("format options:\n");
1218 printf(" --endian={big|little} Set byte order for samples\n");
1219 printf(" --channels=# Number of channels\n");
1220 printf(" --bps=# Number of bits per sample\n");
1221 printf(" --sample-rate=# Sample rate in Hz\n");
1222 printf(" --sign={signed|unsigned} Sign of samples\n");
1223 printf(" --input-size=# Size of the raw input in bytes\n");
1224 printf(" --force-aiff-format Force decoding to AIFF format\n");
1225 printf(" --force-raw-format Treat input or output as raw samples\n");
1226 printf("negative options:\n");
1227 printf(" --no-adaptive-mid-side\n");
1228 printf(" --no-decode-through-errors\n");
1229 printf(" --no-delete-input-file\n");
1230 printf(" --no-exhaustive-model-search\n");
1231 printf(" --no-lax\n");
1232 printf(" --no-mid-side\n");
1233 #ifdef FLAC__HAS_OGG
1234 printf(" --no-ogg\n");
1236 printf(" --no-padding\n");
1237 printf(" --no-qlp-coeff-prec-search\n");
1238 printf(" --no-replay-gain\n");
1239 printf(" --no-residual-gnuplot\n");
1240 printf(" --no-residual-text\n");
1241 printf(" --no-sector-align\n");
1242 printf(" --no-seektable\n");
1243 printf(" --no-silent\n");
1244 printf(" --no-force\n");
1245 printf(" --no-verify\n");
1252 printf("For encoding:\n");
1253 printf(" The input file(s) may be a PCM RIFF WAVE file, AIFF (or uncompressed AIFF-C)\n");
1254 printf(" file, or raw samples.\n");
1255 printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n");
1256 printf("For decoding, the reverse is true.\n");
1258 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1259 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1260 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1261 printf("instead of:\n");
1262 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1263 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1264 printf("WAVE/AIFF header contents when necessary.\n");
1266 printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
1267 printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n");
1268 printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
1269 printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n");
1270 printf("files using -fr.\n");
1272 printf("general options:\n");
1273 printf(" -v, --version Show the flac version number\n");
1274 printf(" -h, --help Show basic usage a list of all options\n");
1275 printf(" -H, --explain Show this screen\n");
1276 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1277 printf(" -t, --test Same as -d except no decoded file is written\n");
1278 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1279 printf(" -c, --stdout Write output to stdout\n");
1280 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1281 printf(" --totally-silent Do not print anything of any kind, including\n");
1282 printf(" warnings or errors. The exit code will be the\n");
1283 printf(" only way to determine successful completion.\n");
1284 printf(" -f, --force Force overwriting of output files\n");
1285 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1286 printf(" changes the extension. May only be used when\n");
1287 printf(" encoding a single file. May not be used in\n");
1288 printf(" conjunction with --output-prefix.\n");
1289 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1290 printf(" STRING. This can be useful for encoding or\n");
1291 printf(" decoding files to a different directory. Make\n");
1292 printf(" sure if your STRING is a path name that it ends\n");
1293 printf(" with a '/' slash.\n");
1294 printf(" --delete-input-file Automatically delete the input file after a\n");
1295 printf(" successful encode or decode. If there was an\n");
1296 printf(" error (including a verify error) the input file\n");
1297 printf(" is left intact.\n");
1298 printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n");
1299 printf(" be used both for encoding and decoding. The\n");
1300 printf(" alternative form mm:ss.ss can be used to specify\n");
1301 printf(" minutes, seconds, and fractions of a second.\n");
1302 printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n");
1303 printf(" file. The given sample number is not included\n");
1304 printf(" in the decoded output. The alternative form\n");
1305 printf(" mm:ss.ss can be used to specify minutes,\n");
1306 printf(" seconds, and fractions of a second. If a `+'\n");
1307 printf(" sign is at the beginning, the --until point is\n");
1308 printf(" relative to the --skip point. If a `-' sign is\n");
1309 printf(" at the beginning, the --until point is relative\n");
1310 printf(" to end of the audio.\n");
1311 #ifdef FLAC__HAS_OGG
1312 printf(" --ogg When encoding, generate Ogg FLAC output instead\n");
1313 printf(" of native FLAC. Ogg FLAC streams are FLAC\n");
1314 printf(" streams wrapped in an Ogg transport layer. The\n");
1315 printf(" resulting file should have an '.ogg' extension\n");
1316 printf(" and will still be decodable by flac. When\n");
1317 printf(" decoding, force the input to be treated as\n");
1318 printf(" Ogg FLAC. This is useful when piping input\n");
1319 printf(" from stdin or when the filename does not end in\n");
1320 printf(" '.ogg'.\n");
1321 printf(" --serial-number Serial number to use for the FLAC stream. When\n");
1322 printf(" encoding and no serial number is given, flac\n");
1323 printf(" uses '0'. When decoding and no number is\n");
1324 printf(" given, flac uses the serial number of the first\n");
1327 printf("analysis options:\n");
1328 printf(" --residual-text Include residual signal in text output. This\n");
1329 printf(" will make the file very big, much larger than\n");
1330 printf(" even the decoded file.\n");
1331 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1332 printf(" of each subframe\n");
1333 printf("decoding options:\n");
1334 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1335 printf(" and removes the partially decoded file if it\n");
1336 printf(" encounters a bitstream error. With -F, errors\n");
1337 printf(" are still printed but flac will continue\n");
1338 printf(" decoding to completion. Note that errors may\n");
1339 printf(" cause the decoded audio to be missing some\n");
1340 printf(" samples or have silent sections.\n");
1341 printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n");
1342 printf(" decode. The optional first #.# is the track and\n");
1343 printf(" index point at which decoding will start; the\n");
1344 printf(" default is the beginning of the stream. The\n");
1345 printf(" optional second #.# is the track and index point\n");
1346 printf(" at which decoding will end; the default is the\n");
1347 printf(" end of the stream. If the cuepoint does not\n");
1348 printf(" exist, the closest one before it (for the start\n");
1349 printf(" point) or after it (for the end point) will be\n");
1350 printf(" used. The cuepoints are merely translated into\n");
1351 printf(" sample numbers then used as --skip and --until.\n");
1352 printf("encoding options:\n");
1353 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1354 printf(" output in parallel and comparing to the\n");
1355 printf(" original\n");
1356 printf(" --lax Allow encoder to generate non-Subset files\n");
1357 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1358 printf(" on sector boundaries.\n");
1359 printf(" --replay-gain Calculate ReplayGain values and store them as\n");
1360 printf(" FLAC tags. Title gains/peaks will be computed\n");
1361 printf(" for each file, and an album gain/peak will be\n");
1362 printf(" computed for all files. All input files must\n");
1363 printf(" have the same resolution, sample rate, and\n");
1364 printf(" number of channels. The sample rate must be\n");
1365 printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n");
1366 printf(" or 48 kHz. NOTE: this option may also leave a\n");
1367 printf(" few extra bytes in the PADDING block.\n");
1368 printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n");
1369 printf(" a CUESHEET metadata block. This option may only\n");
1370 printf(" be used when encoding a single file. A\n");
1371 printf(" seekpoint will be added for each index point in\n");
1372 printf(" the cuesheet to the SEEKTABLE unless\n");
1373 printf(" --no-cued-seekpoints is specified.\n");
1374 printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. Make sure to quote the\n");
1375 printf(" comment if necessary. This option may appear\n");
1376 printf(" more than once to add several comments. NOTE:\n");
1377 printf(" all tags will be added to all encoded files.\n");
1378 printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n");
1379 printf(" # : a specific sample number for a seek point\n");
1380 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1381 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1382 printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n");
1383 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1384 printf(" ified union of all such values.\n");
1385 printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n");
1386 printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n");
1387 printf(" input size before starting.\n");
1388 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1389 printf(" either no seek point entered (if the input size is determinable\n");
1390 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1391 printf(" determinable)\n");
1392 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1393 printf(" block of the given length (in bytes) after the\n");
1394 printf(" STREAMINFO block. This is useful if you plan\n");
1395 printf(" to tag the file later with an APPLICATION\n");
1396 printf(" block; instead of having to rewrite the entire\n");
1397 printf(" file later just to insert your block, you can\n");
1398 printf(" write directly over the PADDING block. Note\n");
1399 printf(" that the total length of the PADDING block will\n");
1400 printf(" be 4 bytes longer than the length given because\n");
1401 printf(" of the 4 metadata block header bytes. You can\n");
1402 printf(" force no PADDING block at all to be written with\n");
1403 printf(" --no-padding. The encoder writes a PADDING\n");
1404 printf(" block of 4096 bytes by default.\n");
1405 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1406 printf(" 1152 for -l 0, else 4608; must be one of 192,\n");
1407 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1408 printf(" 4096, 8192, 16384, or 32768 (unless --lax is\n");
1410 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1411 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1412 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1413 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1414 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1415 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1416 printf(" -5 is the default setting\n");
1417 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1418 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1419 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1420 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1421 printf(" (stereo only)\n");
1422 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1423 printf(" (stereo only)\n");
1424 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1425 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1426 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1427 printf(" quantization (expensive!); overrides -q;\n");
1428 printf(" does nothing if using -l 0\n");
1429 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1430 printf(" linear-predictor coefficients; 0 => let\n");
1431 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1432 printf(" default is -q 0)\n");
1433 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1434 printf(" (# is 0..16; min defaults to 0; the\n");
1435 printf(" default is -r 0; above 4 doesn't usually\n");
1436 printf(" help much)\n");
1437 printf("format options:\n");
1438 printf(" --endian={big|little} Set byte order for samples\n");
1439 printf(" --channels=# Number of channels\n");
1440 printf(" --bps=# Number of bits per sample\n");
1441 printf(" --sample-rate=# Sample rate in Hz\n");
1442 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1443 printf(" --input-size=# Size of the raw input in bytes. If you are\n");
1444 printf(" encoding raw samples from stdin, you must set\n");
1445 printf(" this option in order to be able to use --skip,\n");
1446 printf(" --until, --cue-sheet, or other options that need\n");
1447 printf(" to know the size of the input beforehand. If\n");
1448 printf(" the size given is greater than what is found in\n");
1449 printf(" the input stream, the encoder will complain\n");
1450 printf(" about an unexpected end-of-file. If the size\n");
1451 printf(" given is less, samples will be truncated.\n");
1452 printf(" --force-aiff-format Force the decoder to output AIFF format. This\n");
1453 printf(" option is not needed if the output filename (as\n");
1454 printf(" set by -o) ends with .aif or .aiff; this option\n");
1455 printf(" has no effect when encoding since input AIFF is\n");
1456 printf(" auto-detected.\n");
1457 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1458 printf(" decoding) to be treated as raw samples\n");
1459 printf("negative options:\n");
1460 printf(" --no-adaptive-mid-side\n");
1461 printf(" --no-decode-through-errors\n");
1462 printf(" --no-delete-input-file\n");
1463 printf(" --no-exhaustive-model-search\n");
1464 printf(" --no-lax\n");
1465 printf(" --no-mid-side\n");
1466 #ifdef FLAC__HAS_OGG
1467 printf(" --no-ogg\n");
1469 printf(" --no-padding\n");
1470 printf(" --no-qlp-coeff-prec-search\n");
1471 printf(" --no-residual-gnuplot\n");
1472 printf(" --no-residual-text\n");
1473 printf(" --no-sector-align\n");
1474 printf(" --no-seektable\n");
1475 printf(" --no-silent\n");
1476 printf(" --no-force\n");
1477 printf(" --no-verify\n");
1480 void format_mistake(const char *infilename, const char *wrong, const char *right)
1482 flac__utils_printf(stderr, 1, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right);
1485 int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file)
1487 FILE *encode_infile;
1488 FLAC__byte lookahead[12];
1489 unsigned lookahead_length = 0;
1490 FileFormat fmt = RAW;
1491 FLAC__bool is_aifc = false;
1494 encode_options_t common_options;
1495 const char *outfilename = get_encoded_outfilename(infilename);
1497 if(0 == outfilename) {
1498 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1503 * Error if output file already exists (and -f not used).
1504 * Use grabbag__file_get_filesize() as a cheap way to check.
1506 if(!option_values.test_only && !option_values.force_file_overwrite && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1507 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1511 if(0 == strcmp(infilename, "-")) {
1513 encode_infile = grabbag__file_get_binary_stdin();
1516 infilesize = grabbag__file_get_filesize(infilename);
1517 if(0 == (encode_infile = fopen(infilename, "rb"))) {
1518 flac__utils_printf(stderr, 1, "ERROR: can't open input file %s\n", infilename);
1523 if(!option_values.force_raw_format) {
1524 /* first set format based on name */
1525 if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".wav"))
1527 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".aif"))
1529 else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".aiff"))
1532 /* attempt to guess the file type based on the first 12 bytes */
1533 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1535 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1539 if(!strncmp((const char *)lookahead, "RIFF", 4) && !strncmp((const char *)lookahead+8, "WAVE", 4))
1541 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFF", 4))
1543 else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFC", 4)) {
1549 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1555 if(option_values.format_input_size >= 0) {
1556 if (fmt != RAW || infilesize >= 0) {
1557 flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n");
1561 infilesize = option_values.format_input_size;
1565 if(option_values.sector_align && fmt == RAW && infilesize < 0) {
1566 flac__utils_printf(stderr, 1, "ERROR: can't --sector-align when the input size is unknown\n");
1571 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)
1572 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1575 if(encode_infile == stdin || option_values.force_to_stdout) {
1576 if(option_values.replay_gain)
1577 return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n");
1580 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1581 return usage_error("ERROR: invalid value for --skip\n");
1583 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 */
1584 return usage_error("ERROR: invalid value for --until\n");
1585 /* if there is no "--until" we want to default to "--until=-0" */
1586 if(0 == option_values.until_specification)
1587 common_options.until_specification.is_relative = true;
1589 common_options.verify = option_values.verify;
1590 #ifdef FLAC__HAS_OGG
1591 common_options.use_ogg = option_values.use_ogg;
1592 /* set a random serial number if one has not yet been specified */
1593 if(!option_values.has_serial_number) {
1595 option_values.serial_number = rand();
1596 option_values.has_serial_number = true;
1598 common_options.serial_number = option_values.serial_number++;
1600 common_options.lax = option_values.lax;
1601 common_options.do_mid_side = option_values.do_mid_side;
1602 common_options.loose_mid_side = option_values.loose_mid_side;
1603 common_options.do_exhaustive_model_search = option_values.do_exhaustive_model_search;
1604 common_options.do_escape_coding = option_values.do_escape_coding;
1605 common_options.do_qlp_coeff_prec_search = option_values.do_qlp_coeff_prec_search;
1606 common_options.min_residual_partition_order = option_values.min_residual_partition_order;
1607 common_options.max_residual_partition_order = option_values.max_residual_partition_order;
1608 common_options.rice_parameter_search_dist = option_values.rice_parameter_search_dist;
1609 common_options.max_lpc_order = option_values.max_lpc_order;
1610 common_options.blocksize = (unsigned)option_values.blocksize;
1611 common_options.qlp_coeff_precision = option_values.qlp_coeff_precision;
1612 common_options.padding = option_values.padding;
1613 common_options.requested_seek_points = option_values.requested_seek_points;
1614 common_options.num_requested_seek_points = option_values.num_requested_seek_points;
1615 common_options.cuesheet_filename = option_values.cuesheet_filename;
1616 common_options.cued_seekpoints = option_values.cued_seekpoints;
1617 common_options.is_first_file = is_first_file;
1618 common_options.is_last_file = is_last_file;
1619 common_options.align_reservoir = align_reservoir;
1620 common_options.align_reservoir_samples = &align_reservoir_samples;
1621 common_options.replay_gain = option_values.replay_gain;
1622 common_options.sector_align = option_values.sector_align;
1623 common_options.vorbis_comment = option_values.vorbis_comment;
1624 common_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes;
1625 common_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes;
1626 common_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes;
1629 raw_encode_options_t options;
1631 options.common = common_options;
1632 options.is_big_endian = option_values.format_is_big_endian;
1633 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1634 options.channels = option_values.format_channels;
1635 options.bps = option_values.format_bps;
1636 options.sample_rate = option_values.format_sample_rate;
1638 retval = flac__encode_raw(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1641 wav_encode_options_t options;
1643 options.common = common_options;
1646 retval = flac__encode_aif(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options, is_aifc);
1648 retval = flac__encode_wav(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options);
1651 if(retval == 0 && strcmp(infilename, "-")) {
1652 if(strcmp(outfilename, "-")) {
1653 if(option_values.replay_gain) {
1654 float title_gain, title_peak;
1656 grabbag__replaygain_get_title(&title_gain, &title_peak);
1657 if(0 != (error = grabbag__replaygain_store_to_file_title(outfilename, title_gain, title_peak, /*preserve_modtime=*/true))) {
1658 flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain title tags\n", outfilename);
1661 grabbag__file_copy_metadata(infilename, outfilename);
1663 if(option_values.delete_input)
1670 int decode_file(const char *infilename)
1673 FLAC__bool treat_as_ogg = false;
1674 decode_options_t common_options;
1675 const char *outfilename = get_decoded_outfilename(infilename);
1677 if(0 == outfilename) {
1678 flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename);
1683 * Error if output file already exists (and -f not used).
1684 * Use grabbag__file_get_filesize() as a cheap way to check.
1686 if(!option_values.test_only && !option_values.force_file_overwrite && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) {
1687 flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename);
1691 if(!option_values.test_only && !option_values.analyze) {
1692 if(option_values.force_raw_format && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
1693 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
1696 if(option_values.use_ogg)
1697 treat_as_ogg = true;
1698 else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg"))
1699 treat_as_ogg = true;
1701 treat_as_ogg = false;
1703 #ifndef FLAC__HAS_OGG
1705 flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename);
1710 if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative)
1711 return usage_error("ERROR: invalid value for --skip\n");
1713 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 */
1714 return usage_error("ERROR: invalid value for --until\n");
1715 /* if there is no "--until" we want to default to "--until=-0" */
1716 if(0 == option_values.until_specification)
1717 common_options.until_specification.is_relative = true;
1719 if(option_values.cue_specification) {
1720 if(!flac__utils_parse_cue_specification(option_values.cue_specification, &common_options.cue_specification))
1721 return usage_error("ERROR: invalid value for --cue\n");
1722 common_options.has_cue_specification = true;
1725 common_options.has_cue_specification = false;
1727 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1728 common_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec;
1729 #ifdef FLAC__HAS_OGG
1730 common_options.is_ogg = treat_as_ogg;
1731 common_options.use_first_serial_number = !option_values.has_serial_number;
1732 common_options.serial_number = option_values.serial_number;
1735 if(!option_values.force_raw_format) {
1736 wav_decode_options_t options;
1738 options.common = common_options;
1741 option_values.force_aiff_format ||
1742 (strlen(outfilename) >= 4 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) ||
1743 (strlen(outfilename) >= 5 && 0 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-5), ".aiff"))
1745 retval = flac__decode_aiff(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1747 retval = flac__decode_wav(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1750 raw_decode_options_t options;
1752 options.common = common_options;
1753 options.is_big_endian = option_values.format_is_big_endian;
1754 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1756 retval = flac__decode_raw(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options);
1759 if(retval == 0 && strcmp(infilename, "-")) {
1760 if(strcmp(outfilename, "-"))
1761 grabbag__file_copy_metadata(infilename, outfilename);
1762 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
1769 const char *get_encoded_outfilename(const char *infilename)
1771 const char *suffix = (option_values.use_ogg? ".ogg" : ".flac");
1772 return get_outfilename(infilename, suffix);
1775 const char *get_decoded_outfilename(const char *infilename)
1778 if(option_values.analyze) {
1781 else if(option_values.force_raw_format) {
1784 else if(option_values.force_aiff_format) {
1790 return get_outfilename(infilename, suffix);
1793 const char *get_outfilename(const char *infilename, const char *suffix)
1795 if(0 == option_values.cmdline_forced_outfilename) {
1796 static char buffer[4096]; /* @@@ bad MAGIC NUMBER */
1798 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) {
1799 strcpy(buffer, "-");
1803 if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer)
1805 if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer)
1807 if(0 == (p = strrchr(buffer, '.'))) {
1808 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1812 if(0 == strcmp(p, suffix)) {
1814 if (flac__strlcat(buffer, "_new", sizeof buffer) >= sizeof buffer)
1820 if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer)
1827 return option_values.cmdline_forced_outfilename;
1830 void die(const char *message)
1832 FLAC__ASSERT(0 != message);
1833 flac__utils_printf(stderr, 1, "ERROR: %s\n", message);
1837 char *local_strdup(const char *source)
1840 FLAC__ASSERT(0 != source);
1841 if(0 == (ret = strdup(source)))
1842 die("out of memory during strdup()");