1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002 Josh Coalson
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #if !defined _MSC_VER && !defined __MINGW32__
25 /* unlink is in stdio.h in VC++ */
26 #include <unistd.h> /* for unlink() */
28 #define strcasecmp stricmp
37 /*[JEC] was:#if HAVE_GETOPT_LONG*/
38 /*[JEC] see flac/include/share/getopt.h as to why the change */
41 # include "share/getopt.h"
44 typedef enum { RAW, WAV, AIF } FileFormat;
48 static void init_options();
49 static int parse_options(int argc, char *argv[]);
50 static int parse_option(int short_option, const char *long_option, const char *option_argument);
51 static void free_options();
53 static int usage_error(const char *message, ...);
54 static void short_usage();
55 static void show_version();
56 static void show_help();
57 static void show_explain();
58 static void format_mistake(const char *infilename, const char *wrong, const char *right);
60 static int encode_file(const char *infilename, const char *forced_outfilename, FLAC__bool is_last_file);
61 static int decode_file(const char *infilename, const char *forced_outfilename);
63 static void die(const char *message);
64 static char *local_strdup(const char *source);
68 * FLAC__share__getopt format struct; note that for long options with no
69 * short option equivalent we just set the 'val' field to 0.
71 static struct FLAC__share__option long_options_[] = {
75 { "help", 0, 0, 'h' },
76 { "explain", 0, 0, 'H' },
77 { "version", 0, 0, 'v' },
78 { "decode", 0, 0, 'd' },
79 { "analyze", 0, 0, 'a' },
80 { "test", 0, 0, 't' },
81 { "stdout", 0, 0, 'c' },
82 { "silent", 0, 0, 's' },
83 { "delete-input-file", 0, 0, 0 },
84 { "output-prefix", 1, 0, 0 },
85 { "output-name", 1, 0, 'o' },
91 { "decode-through-errors", 0, 0, 'F' },
96 { "compression-level-0", 0, 0, '0' },
97 { "compression-level-1", 0, 0, '1' },
98 { "compression-level-2", 0, 0, '2' },
99 { "compression-level-3", 0, 0, '3' },
100 { "compression-level-4", 0, 0, '4' },
101 { "compression-level-5", 0, 0, '5' },
102 { "compression-level-6", 0, 0, '6' },
103 { "compression-level-7", 0, 0, '7' },
104 { "compression-level-8", 0, 0, '8' },
105 { "compression-level-9", 0, 0, '9' },
106 { "best", 0, 0, '8' },
107 { "fast", 0, 0, '0' },
108 { "super-secret-impractical-compression-level", 0, 0, 0 },
109 { "verify", 0, 0, 'V' },
110 { "force-raw-format", 0, 0, 0 },
112 { "sector-align", 0, 0, 0 },
113 { "seekpoint", 1, 0, 'S' },
114 { "padding", 1, 0, 'P' },
118 { "blocksize", 1, 0, 'b' },
119 { "exhaustive-model-search", 0, 0, 'e' },
121 /* @@@ deprecated: */
122 { "escape-coding", 0, 0, 'E' },
124 { "max-lpc-order", 1, 0, 'l' },
125 { "mid-side", 0, 0, 'm' },
126 { "adaptive-mid-side", 0, 0, 'M' },
127 { "qlp-coeff-precision-search", 0, 0, 'p' },
128 { "qlp-coeff-precision", 1, 0, 'q' },
129 { "rice-partition-order", 1, 0, 'r' },
131 /* @@@ deprecated: */
132 { "rice-parameter-search-distance", 1, 0, 'R' },
134 { "endian", 1, 0, 0 },
135 { "channels", 1, 0, 0 },
137 { "sample-rate", 1, 0, 0 },
143 { "residual-gnu-plot", 0, 0, 0 },
144 { "residual-text", 0, 0, 0 },
149 { "no-decode-through-errors", 0, 0, 0 },
150 { "no-silent", 0, 0, 0 },
151 { "no-seektable", 0, 0, 0 },
152 { "no-delete-input-file", 0, 0, 0 },
153 { "no-sector-align", 0, 0, 0 },
154 { "no-lax", 0, 0, 0 },
156 { "no-ogg", 0, 0, 0 },
158 { "no-exhaustive-model-search", 0, 0, 0 },
160 /* @@@ deprecated: */
161 { "no-escape-coding", 0, 0, 0 },
163 { "no-mid-side", 0, 0, 0 },
164 { "no-adaptive-mid-side", 0, 0, 0 },
165 { "no-qlp-coeff-prec-search", 0, 0, 0 },
166 { "no-padding", 0, 0, 0 },
167 { "no-verify", 0, 0, 0 },
168 { "no-residual-gnuplot", 0, 0, 0 },
169 { "no-residual-text", 0, 0, 0 },
176 * global to hold command-line option values
180 FLAC__bool show_help;
181 FLAC__bool show_explain;
182 FLAC__bool show_version;
183 FLAC__bool mode_decode;
186 FLAC__bool continue_through_decode_errors;
188 FLAC__bool test_only;
191 FLAC__bool do_mid_side;
192 FLAC__bool loose_mid_side;
193 FLAC__bool do_exhaustive_model_search;
194 FLAC__bool do_escape_coding;
195 FLAC__bool do_qlp_coeff_prec_search;
196 FLAC__bool force_to_stdout;
197 FLAC__bool force_raw_format;
198 FLAC__bool delete_input;
199 FLAC__bool sector_align;
200 const char *cmdline_forced_outfilename;
201 const char *output_prefix;
202 analysis_options aopts;
204 unsigned max_lpc_order;
205 unsigned qlp_coeff_precision;
207 int format_is_big_endian;
208 int format_is_unsigned_samples;
211 int format_sample_rate;
213 int min_residual_partition_order;
214 int max_residual_partition_order;
215 int rice_parameter_search_dist;
216 char requested_seek_points[50000]; /* @@@ bad MAGIC NUMBER */
217 int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */
225 * miscellaneous globals
228 static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */
229 static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 };
230 static unsigned align_reservoir_samples = 0; /* 0 .. 587 */
232 static const char *flac_suffix = ".flac", *ogg_suffix = ".ogg";
235 int main(int argc, char *argv[])
241 if((retval = parse_options(argc, argv)) == 0)
253 if(option_values.show_version) {
257 else if(option_values.show_explain) {
261 else if(option_values.show_help) {
266 if(option_values.num_files == 0) {
272 * tweak options; validate the values
274 if(!option_values.mode_decode) {
275 if(option_values.blocksize < 0) {
276 if(option_values.max_lpc_order == 0)
277 option_values.blocksize = 1152;
279 option_values.blocksize = 4608;
281 if(option_values.max_residual_partition_order < 0) {
282 if(option_values.blocksize <= 1152)
283 option_values.max_residual_partition_order = 2;
284 else if(option_values.blocksize <= 2304)
285 option_values.max_residual_partition_order = 3;
286 else if(option_values.blocksize <= 4608)
287 option_values.max_residual_partition_order = 3;
289 option_values.max_residual_partition_order = 4;
290 option_values.min_residual_partition_order = option_values.max_residual_partition_order;
292 if(option_values.rice_parameter_search_dist < 0) {
293 option_values.rice_parameter_search_dist = 0;
297 if(option_values.test_only) {
298 if(option_values.skip > 0)
299 return usage_error("ERROR: --skip is not allowed in test mode\n");
303 FLAC__ASSERT(option_values.blocksize >= 0 || option_values.mode_decode);
305 if(option_values.format_channels >= 0) {
306 if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS)
307 return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS);
309 if(option_values.format_bps >= 0) {
310 if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24)
311 return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps);
313 if(option_values.format_sample_rate >= 0) {
314 if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate))
315 return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE);
317 if(option_values.mode_decode) {
318 if(!option_values.force_raw_format) {
319 if(option_values.format_is_big_endian >= 0)
320 return usage_error("ERROR: --endian only allowed with --force-raw-format\n");
321 if(option_values.format_is_unsigned_samples >= 0)
322 return usage_error("ERROR: --sign only allowed with --force-raw-format\n");
324 if(option_values.format_channels >= 0)
325 return usage_error("ERROR: --channels not allowed with --decode\n");
326 if(option_values.format_bps >= 0)
327 return usage_error("ERROR: --bps not allowed with --decode\n");
328 if(option_values.format_sample_rate >= 0)
329 return usage_error("ERROR: --sample-rate not allowed with --decode\n");
331 if(!option_values.mode_decode && ((unsigned)option_values.blocksize < FLAC__MIN_BLOCK_SIZE || (unsigned)option_values.blocksize > FLAC__MAX_BLOCK_SIZE)) {
332 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);
334 if(option_values.qlp_coeff_precision > 0 && option_values.qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION) {
335 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);
338 if(option_values.sector_align) {
339 if(option_values.mode_decode)
340 return usage_error("ERROR: --sector-align only allowed for encoding\n");
341 else if(option_values.skip > 0)
342 return usage_error("ERROR: --sector-align not allowed with --skip\n");
343 else if(option_values.format_channels >= 0 && option_values.format_channels != 2)
344 return usage_error("ERROR: --sector-align can only be done with stereo input\n");
345 else if(option_values.format_bps >= 0 && option_values.format_bps != 16)
346 return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n");
347 else if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100)
348 return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n");
350 if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) {
351 return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n");
353 if(option_values.cmdline_forced_outfilename && option_values.output_prefix) {
354 return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n");
357 if(option_values.verbose) {
358 fprintf(stderr, "\n");
359 fprintf(stderr, "flac %s, Copyright (C) 2000,2001,2002 Josh Coalson\n", FLAC__VERSION_STRING);
360 fprintf(stderr, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n");
361 fprintf(stderr, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n");
363 if(!option_values.mode_decode) {
365 if(option_values.padding < 0)
368 sprintf(padopt, " %d", option_values.padding);
374 "%s -P%s -b %u%s -l %u%s%s%s -q %u -r %u,%u%s\n",
375 option_values.delete_input?" --delete-input-file":"",
376 option_values.sector_align?" --sector-align":"",
378 option_values.use_ogg?" --ogg":"",
380 option_values.lax?" --lax":"",
382 (unsigned)option_values.blocksize,
383 option_values.loose_mid_side?" -M":option_values.do_mid_side?" -m":"",
384 option_values.max_lpc_order,
385 option_values.do_exhaustive_model_search?" -e":"",
386 option_values.do_escape_coding?" -E":"",
387 option_values.do_qlp_coeff_prec_search?" -p":"",
388 option_values.qlp_coeff_precision,
389 (unsigned)option_values.min_residual_partition_order,
390 (unsigned)option_values.max_residual_partition_order,
391 option_values.verify? " -V":""
396 if(option_values.mode_decode) {
397 FLAC__bool first = true;
399 if(option_values.num_files == 0) {
400 retval = decode_file("-", 0);
404 if(option_values.num_files > 1)
405 option_values.cmdline_forced_outfilename = 0;
406 for(i = 0, retval = 0; i < option_values.num_files; i++) {
407 if(0 == strcmp(option_values.filenames[i], "-") && !first)
409 retval |= decode_file(option_values.filenames[i], 0);
415 FLAC__bool first = true;
417 if(option_values.num_files == 0) {
418 retval = encode_file("-", 0, true);
422 if(option_values.num_files > 1)
423 option_values.cmdline_forced_outfilename = 0;
424 for(i = 0, retval = 0; i < option_values.num_files; i++) {
425 if(0 == strcmp(option_values.filenames[i], "-") && !first)
427 retval |= encode_file(option_values.filenames[i], 0, i == (option_values.num_files-1));
438 option_values.show_help = false;
439 option_values.show_explain = false;
440 option_values.mode_decode = false;
441 option_values.verify = false;
442 option_values.verbose = true;
443 option_values.continue_through_decode_errors = false;
444 option_values.lax = false;
445 option_values.test_only = false;
446 option_values.analyze = false;
447 option_values.use_ogg = false;
448 option_values.do_mid_side = true;
449 option_values.loose_mid_side = false;
450 option_values.do_exhaustive_model_search = false;
451 option_values.do_escape_coding = false;
452 option_values.do_qlp_coeff_prec_search = false;
453 option_values.force_to_stdout = false;
454 option_values.force_raw_format = false;
455 option_values.delete_input = false;
456 option_values.sector_align = false;
457 option_values.cmdline_forced_outfilename = 0;
458 option_values.output_prefix = 0;
459 option_values.aopts.do_residual_text = false;
460 option_values.aopts.do_residual_gnuplot = false;
461 option_values.padding = -1;
462 option_values.max_lpc_order = 8;
463 option_values.qlp_coeff_precision = 0;
464 option_values.skip = 0;
465 option_values.format_is_big_endian = -1;
466 option_values.format_is_unsigned_samples = -1;
467 option_values.format_channels = -1;
468 option_values.format_bps = -1;
469 option_values.format_sample_rate = -1;
470 option_values.blocksize = -1;
471 option_values.min_residual_partition_order = -1;
472 option_values.max_residual_partition_order = -1;
473 option_values.rice_parameter_search_dist = -1;
474 option_values.requested_seek_points[0] = '\0';
475 option_values.num_requested_seek_points = -1;
477 option_values.num_files = 0;
478 option_values.filenames = 0;
481 int parse_options(int argc, char *argv[])
484 int option_index = 1;
485 FLAC__bool had_error = false;
486 /*@@@ E and R: are deprecated */
487 const char *short_opts = "0123456789ab:cdeFhHl:mMo:pP:q:r:sS:tvV";
489 while ((short_option = FLAC__share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) {
490 switch (short_option) {
491 case 0: /* long option with no equivalent short option */
492 had_error |= (parse_option(short_option, long_options_[option_index].name, FLAC__share__optarg) != 0);
498 default: /* short option */
499 had_error |= (parse_option(short_option, 0, FLAC__share__optarg) != 0);
508 FLAC__ASSERT(FLAC__share__optind <= argc);
510 option_values.num_files = argc - FLAC__share__optind;
512 if(option_values.num_files > 0) {
514 if(0 == (option_values.filenames = malloc(sizeof(char *) * option_values.num_files)))
515 die("out of memory allocating space for file names list");
516 while(FLAC__share__optind < argc)
517 option_values.filenames[i++] = local_strdup(argv[FLAC__share__optind++]);
523 int parse_option(int short_option, const char *long_option, const char *option_argument)
527 if(short_option == 0) {
528 FLAC__ASSERT(0 != long_option);
529 if(0 == strcmp(long_option, "delete-input-file")) {
530 option_values.delete_input = true;
532 else if(0 == strcmp(long_option, "output-prefix")) {
533 FLAC__ASSERT(0 != option_argument);
534 option_values.output_prefix = option_argument;
536 else if(0 == strcmp(long_option, "skip")) {
537 FLAC__ASSERT(0 != option_argument);
538 option_values.skip = (FLAC__uint64)atoi(option_argument); /* @@@ takes a pretty damn big file to overflow atoi() here, but it could happen */
540 else if(0 == strcmp(long_option, "super-secret-impractical-compression-level")) {
541 option_values.do_exhaustive_model_search = true;
542 option_values.do_escape_coding = true;
543 option_values.do_mid_side = true;
544 option_values.loose_mid_side = false;
545 option_values.do_qlp_coeff_prec_search = true;
546 option_values.min_residual_partition_order = 0;
547 option_values.max_residual_partition_order = 16;
548 option_values.rice_parameter_search_dist = 0;
549 option_values.max_lpc_order = 32;
551 else if(0 == strcmp(long_option, "force-raw-format")) {
552 option_values.force_raw_format = true;
554 else if(0 == strcmp(long_option, "lax")) {
555 option_values.lax = true;
557 else if(0 == strcmp(long_option, "sector-align")) {
558 option_values.sector_align = true;
561 else if(0 == strcmp(long_option, "ogg")) {
562 option_values.use_ogg = true;
565 else if(0 == strcmp(long_option, "endian")) {
566 FLAC__ASSERT(0 != option_argument);
567 if(0 == strncmp(option_argument, "big", strlen(option_argument)))
568 option_values.format_is_big_endian = true;
569 else if(0 == strncmp(option_argument, "little", strlen(option_argument)))
570 option_values.format_is_big_endian = false;
572 return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n");
574 else if(0 == strcmp(long_option, "channels")) {
575 FLAC__ASSERT(0 != option_argument);
576 option_values.format_channels = atoi(option_argument);
578 else if(0 == strcmp(long_option, "bps")) {
579 FLAC__ASSERT(0 != option_argument);
580 option_values.format_bps = atoi(option_argument);
582 else if(0 == strcmp(long_option, "sample-rate")) {
583 FLAC__ASSERT(0 != option_argument);
584 option_values.format_sample_rate = atoi(option_argument);
586 else if(0 == strcmp(long_option, "sign")) {
587 FLAC__ASSERT(0 != option_argument);
588 if(0 == strncmp(option_argument, "signed", strlen(option_argument)))
589 option_values.format_is_unsigned_samples = false;
590 else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument)))
591 option_values.format_is_unsigned_samples = true;
593 return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n");
595 else if(0 == strcmp(long_option, "residual-gnu-plot")) {
596 option_values.aopts.do_residual_gnuplot = true;
598 else if(0 == strcmp(long_option, "residual-text")) {
599 option_values.aopts.do_residual_text = true;
604 else if(0 == strcmp(long_option, "no-decode-through-errors")) {
605 option_values.continue_through_decode_errors = false;
607 else if(0 == strcmp(long_option, "no-silent")) {
608 option_values.verbose = true;
610 else if(0 == strcmp(long_option, "no-seektable")) {
611 option_values.num_requested_seek_points = 0;
612 option_values.requested_seek_points[0] = '\0';
614 else if(0 == strcmp(long_option, "no-delete-input-file")) {
615 option_values.delete_input = false;
617 else if(0 == strcmp(long_option, "no-sector-align")) {
618 option_values.sector_align = false;
620 else if(0 == strcmp(long_option, "no-lax")) {
621 option_values.lax = false;
624 else if(0 == strcmp(long_option, "no-ogg")) {
625 option_values.use_ogg = false;
628 else if(0 == strcmp(long_option, "no-exhaustive-model-search")) {
629 option_values.do_exhaustive_model_search = false;
632 /* @@@ deprecated: */
633 else if(0 == strcmp(long_option, "no-escape-coding")) {
634 option_values.do_escape_coding = false;
637 else if(0 == strcmp(long_option, "no-mid-side")) {
638 option_values.do_mid_side = option_values.loose_mid_side = false;
640 else if(0 == strcmp(long_option, "no-adaptive-mid-side")) {
641 option_values.loose_mid_side = option_values.do_mid_side = false;
643 else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) {
644 option_values.do_qlp_coeff_prec_search = false;
646 else if(0 == strcmp(long_option, "no-padding")) {
647 option_values.padding = -1;
649 else if(0 == strcmp(long_option, "no-verify")) {
650 option_values.verify = false;
652 else if(0 == strcmp(long_option, "no-residual-gnuplot")) {
653 option_values.aopts.do_residual_gnuplot = false;
655 else if(0 == strcmp(long_option, "no-residual-text")) {
656 option_values.aopts.do_residual_text = false;
660 switch(short_option) {
662 option_values.show_help = true;
665 option_values.show_explain = true;
668 option_values.show_version = true;
671 option_values.mode_decode = true;
674 option_values.mode_decode = true;
675 option_values.analyze = true;
678 option_values.mode_decode = true;
679 option_values.test_only = true;
682 option_values.force_to_stdout = true;
685 option_values.verbose = false;
688 FLAC__ASSERT(0 != option_argument);
689 option_values.cmdline_forced_outfilename = option_argument;
692 option_values.continue_through_decode_errors = true;
695 option_values.do_exhaustive_model_search = false;
696 option_values.do_escape_coding = false;
697 option_values.do_mid_side = false;
698 option_values.loose_mid_side = false;
699 option_values.qlp_coeff_precision = 0;
700 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
701 option_values.rice_parameter_search_dist = 0;
702 option_values.max_lpc_order = 0;
705 option_values.do_exhaustive_model_search = false;
706 option_values.do_escape_coding = false;
707 option_values.do_mid_side = true;
708 option_values.loose_mid_side = true;
709 option_values.qlp_coeff_precision = 0;
710 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2;
711 option_values.rice_parameter_search_dist = 0;
712 option_values.max_lpc_order = 0;
715 option_values.do_exhaustive_model_search = false;
716 option_values.do_escape_coding = false;
717 option_values.do_mid_side = true;
718 option_values.loose_mid_side = false;
719 option_values.qlp_coeff_precision = 0;
720 option_values.min_residual_partition_order = 0;
721 option_values.max_residual_partition_order = 3;
722 option_values.rice_parameter_search_dist = 0;
723 option_values.max_lpc_order = 0;
726 option_values.do_exhaustive_model_search = false;
727 option_values.do_escape_coding = false;
728 option_values.do_mid_side = false;
729 option_values.loose_mid_side = false;
730 option_values.qlp_coeff_precision = 0;
731 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
732 option_values.rice_parameter_search_dist = 0;
733 option_values.max_lpc_order = 6;
736 option_values.do_exhaustive_model_search = false;
737 option_values.do_escape_coding = false;
738 option_values.do_mid_side = true;
739 option_values.loose_mid_side = true;
740 option_values.qlp_coeff_precision = 0;
741 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
742 option_values.rice_parameter_search_dist = 0;
743 option_values.max_lpc_order = 8;
746 option_values.do_exhaustive_model_search = false;
747 option_values.do_escape_coding = false;
748 option_values.do_mid_side = true;
749 option_values.loose_mid_side = false;
750 option_values.qlp_coeff_precision = 0;
751 option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3;
752 option_values.rice_parameter_search_dist = 0;
753 option_values.max_lpc_order = 8;
756 option_values.do_exhaustive_model_search = false;
757 option_values.do_escape_coding = false;
758 option_values.do_mid_side = true;
759 option_values.loose_mid_side = false;
760 option_values.qlp_coeff_precision = 0;
761 option_values.min_residual_partition_order = 0;
762 option_values.max_residual_partition_order = 4;
763 option_values.rice_parameter_search_dist = 0;
764 option_values.max_lpc_order = 8;
767 option_values.do_exhaustive_model_search = true;
768 option_values.do_escape_coding = false;
769 option_values.do_mid_side = true;
770 option_values.loose_mid_side = false;
771 option_values.qlp_coeff_precision = 0;
772 option_values.min_residual_partition_order = 0;
773 option_values.max_residual_partition_order = 6;
774 option_values.rice_parameter_search_dist = 0;
775 option_values.max_lpc_order = 8;
778 option_values.do_exhaustive_model_search = true;
779 option_values.do_escape_coding = false;
780 option_values.do_mid_side = true;
781 option_values.loose_mid_side = false;
782 option_values.qlp_coeff_precision = 0;
783 option_values.min_residual_partition_order = 0;
784 option_values.max_residual_partition_order = 6;
785 option_values.rice_parameter_search_dist = 0;
786 option_values.max_lpc_order = 12;
789 return usage_error("ERROR: compression level '9' is reserved\n");
791 option_values.verify = true;
794 FLAC__ASSERT(0 != option_argument);
795 if(option_values.num_requested_seek_points < 0)
796 option_values.num_requested_seek_points = 0;
797 option_values.num_requested_seek_points++;
798 strcat(option_values.requested_seek_points, option_argument);
799 strcat(option_values.requested_seek_points, "<");
802 FLAC__ASSERT(0 != option_argument);
803 option_values.padding = atoi(option_argument);
804 if(option_values.padding < 0)
805 return usage_error("ERROR: argument to -P must be >= 0\n");
808 FLAC__ASSERT(0 != option_argument);
809 option_values.blocksize = atoi(option_argument);
812 option_values.do_exhaustive_model_search = true;
815 option_values.do_escape_coding = true;
818 FLAC__ASSERT(0 != option_argument);
819 option_values.max_lpc_order = atoi(option_argument);
822 option_values.do_mid_side = true;
823 option_values.loose_mid_side = false;
826 option_values.loose_mid_side = option_values.do_mid_side = true;
829 option_values.do_qlp_coeff_prec_search = true;
832 FLAC__ASSERT(0 != option_argument);
833 option_values.qlp_coeff_precision = atoi(option_argument);
836 FLAC__ASSERT(0 != option_argument);
837 p = strchr(option_argument, ',');
839 option_values.min_residual_partition_order = 0;
840 option_values.max_residual_partition_order = atoi(option_argument);
843 option_values.min_residual_partition_order = atoi(option_argument);
844 option_values.max_residual_partition_order = atoi(++p);
848 FLAC__ASSERT(0 != option_argument);
849 option_values.rice_parameter_search_dist = atoi(option_argument);
861 if(0 != option_values.filenames)
862 free(option_values.filenames);
865 int usage_error(const char *message, ...)
869 FLAC__ASSERT(0 != message);
871 va_start(args, message);
873 (void) vfprintf(stderr, message, args);
877 printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n");
884 printf("flac %s\n", FLAC__VERSION_STRING);
887 static void usage_header()
889 printf("===============================================================================\n");
890 printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING);
891 printf("Copyright (C) 2000,2001,2002 Josh Coalson\n");
893 printf("This program is free software; you can redistribute it and/or\n");
894 printf("modify it under the terms of the GNU General Public License\n");
895 printf("as published by the Free Software Foundation; either version 2\n");
896 printf("of the License, or (at your option) any later version.\n");
898 printf("This program is distributed in the hope that it will be useful,\n");
899 printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
900 printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
901 printf("GNU General Public License for more details.\n");
903 printf("You should have received a copy of the GNU General Public License\n");
904 printf("along with this program; if not, write to the Free Software\n");
905 printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n");
906 printf("===============================================================================\n");
909 static void usage_summary()
913 printf(" Encoding: flac [-s] [--skip #] [<encoding/format-options>] [INPUTFILE [...]]\n");
914 printf(" Decoding: flac -d [-s] [--skip #] [-F] [<format-options>] [INPUTFILE [...]]\n");
915 printf(" Testing: flac -t [-s] [INPUTFILE [...]]\n");
916 printf("Analyzing: flac -a [-s] [--skip #] [<analysis-options>] [INPUTFILE [...]]\n");
924 printf("This is the short help; for all options use 'flac --help'; for even more\n");
925 printf("instructions use 'flac --explain'\n");
927 printf("To encode:\n");
928 printf(" flac [-#] [INPUTFILE [...]]\n");
930 printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n");
932 printf("To decode:\n");
933 printf(" flac -d [INPUTFILE [...]]\n");
935 printf("To test:\n");
936 printf(" flac -t [INPUTFILE [...]]\n");
943 printf("generic options:\n");
944 printf(" -v, --version Show the flac version number\n");
945 printf(" -h, --help Show this screen\n");
946 printf(" -H, --explain Show detailed explanation of usage and options\n");
947 printf(" -d, --decode Decode (the default behavior is to encode)\n");
948 printf(" -t, --test Same as -d except no decoded file is written\n");
949 printf(" -a, --analyze Same as -d except an analysis file is written\n");
950 printf(" -c, --stdout Write output to stdout\n");
951 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
952 printf(" -o, --output-name=FILENAME Force the output file name\n");
953 printf(" --output-prefix=STRING Prepend STRING to output names\n");
954 printf(" --delete-input-file Deletes after a successful encode/decode\n");
955 printf(" --skip=# Skip the first # samples of each input file\n");
956 printf("analysis options:\n");
957 printf(" --residual-text Include residual signal in text output\n");
958 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
959 printf("decoding options:\n");
960 printf(" -F, --decode-through-errors Continue decoding through stream errors\n");
961 printf("encoding options:\n");
962 printf(" -V, --verify Verify a correct encoding\n");
964 printf(" --ogg Use Ogg as transport layer\n");
966 printf(" --lax Allow encoder to generate non-Subset files\n");
967 printf(" --sector-align Align multiple files on sector boundaries\n");
968 printf(" -S, --seekpoint={#|X|#x} Add seek point(s)\n");
969 printf(" -P, --padding=# Write a PADDING block of length #\n");
970 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
971 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
972 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
973 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
974 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
975 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
976 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
977 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
978 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
979 printf(" -b, --blocksize=# Specify blocksize in samples\n");
980 printf(" -m, --mid-side Try mid-side coding for each frame\n");
981 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
982 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
985 printf(" -E, --escape-coding Do escape coding in the entropy coder\n");
987 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
988 printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n");
989 printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n");
990 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
993 printf(" -R, -rice-parameter-search-distance=# Rice parameter search distance\n");
995 printf("format options:\n");
996 printf(" --endian={big|little} Set byte order for samples\n");
997 printf(" --channels=# Number of channels\n");
998 printf(" --bps=# Number of bits per sample\n");
999 printf(" --sample-rate=# Sample rate in Hz\n");
1000 printf(" --sign={signed|unsigned} Sign of samples\n");
1001 printf(" --force-raw-format Treat input or output as raw samples\n");
1002 printf("negative options:\n");
1003 printf(" --no-adaptive-mid-side\n");
1004 printf(" --no-decode-through-errors\n");
1005 printf(" --no-delete-input-file\n");
1007 /* @@@ deprecated: */
1008 printf(" --no-escape-coding\n");
1010 printf(" --no-exhaustive-model-search\n");
1011 printf(" --no-lax\n");
1012 printf(" --no-mid-side\n");
1013 #ifdef FLAC__HAS_OGG
1014 printf(" --no-ogg\n");
1016 printf(" --no-padding\n");
1017 printf(" --no-qlp-coeff-prec-search\n");
1018 printf(" --no-residual-gnuplot\n");
1019 printf(" --no-residual-text\n");
1020 printf(" --no-sector-align\n");
1021 printf(" --no-seektable\n");
1022 printf(" --no-silent\n");
1023 printf(" --no-verify\n");
1030 printf("For encoding:\n");
1031 printf(" The input file(s) may be a PCM RIFF WAVE file, AIFF file, or raw samples.\n");
1032 printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n");
1033 printf("For decoding, the reverse is true.\n");
1035 printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n");
1036 printf("stdin implies -c (write to stdout). Normally you should use:\n");
1037 printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n");
1038 printf("instead of:\n");
1039 printf(" flac [options] > outfilename or flac -d [options] > outfilename\n");
1040 printf("since the former allows flac to seek backwards to write the STREAMINFO or\n");
1041 printf("WAVE/AIFF header contents when necessary.\n");
1043 printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n");
1044 printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n");
1045 printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n");
1046 printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n");
1047 printf("files using -fr.\n");
1049 printf("generic options:\n");
1050 printf(" -v, --version Show the flac version number\n");
1051 printf(" -h, --help Show basic usage a list of all options\n");
1052 printf(" -H, --explain Show this screen\n");
1053 printf(" -d, --decode Decode (the default behavior is to encode)\n");
1054 printf(" -t, --test Same as -d except no decoded file is written\n");
1055 printf(" -a, --analyze Same as -d except an analysis file is written\n");
1056 printf(" -c, --stdout Write output to stdout\n");
1057 printf(" -s, --silent Do not write runtime encode/decode statistics\n");
1058 printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n");
1059 printf(" changes the extension. May only be used when\n");
1060 printf(" encoding a single file. May not be used in\n");
1061 printf(" conjunction with --output-prefix.\n");
1062 printf(" --output-prefix=STRING Prefix each output file name with the given\n");
1063 printf(" STRING. This can be useful for encoding or\n");
1064 printf(" decoding files to a different directory. Make\n");
1065 printf(" sure if your STRING is a path name that it ends\n");
1066 printf(" with a '/' slash.\n");
1067 printf(" --delete-input-file Automatically delete the input file after a\n");
1068 printf(" successful encode or decode. If there was an\n");
1069 printf(" error (including a verify error) the input file\n");
1070 printf(" is left intact.\n");
1071 printf(" --skip=# Skip the first # samples of each input file; can\n");
1072 printf(" be used both for encoding and decoding\n");
1073 printf("analysis options:\n");
1074 printf(" --residual-text Include residual signal in text output. This\n");
1075 printf(" will make the file very big, much larger than\n");
1076 printf(" even the decoded file.\n");
1077 printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n");
1078 printf(" of each subframe\n");
1079 printf("decoding options:\n");
1080 printf(" -F, --decode-through-errors By default flac stops decoding with an error\n");
1081 printf(" and removes the partially decoded file if it\n");
1082 printf(" encounters a bitstream error. With -F, errors\n");
1083 printf(" are still printed but flac will continue\n");
1084 printf(" decoding to completion. Note that errors may\n");
1085 printf(" cause the decoded audio to be missing some\n");
1086 printf(" samples or have silent sections.\n");
1087 printf("encoding options:\n");
1088 printf(" -V, --verify Verify a correct encoding by decoding the\n");
1089 printf(" output in parallel and comparing to the\n");
1090 printf(" original\n");
1091 #ifdef FLAC__HAS_OGG
1092 printf(" --ogg When encoding, generate Ogg-FLAC output instead\n");
1093 printf(" of native-FLAC. Ogg-FLAC streams are FLAC\n");
1094 printf(" streams wrapped in an Ogg transport layer. The\n");
1095 printf(" resulting file should have an '.ogg' extension\n");
1096 printf(" and will still be decodable by flac. When\n");
1097 printf(" decoding, force the input to be treated as\n");
1098 printf(" Ogg-FLAC. This is useful when piping input\n");
1099 printf(" from stdin or when the filename does not end in\n");
1100 printf(" '.ogg'.\n");
1102 printf(" --lax Allow encoder to generate non-Subset files\n");
1103 printf(" --sector-align Align encoding of multiple CD format WAVE files\n");
1104 printf(" on sector boundaries.\n");
1105 printf(" -S, --seekpoint={#|X|#x} Include a point or points in a SEEKTABLE\n");
1106 printf(" # : a specific sample number for a seek point\n");
1107 printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n");
1108 printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n");
1109 printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n");
1110 printf(" ified union of all such values.\n");
1111 printf(" With no -S options, flac defaults to '-S 100x'. Use -S- for no SEEKTABLE.\n");
1112 printf(" Note: -S #x will not work if the encoder can't determine the input size\n");
1113 printf(" before starting.\n");
1114 printf(" Note: if you use -S # and # is >= samples in the input, there will be\n");
1115 printf(" either no seek point entered (if the input size is determinable\n");
1116 printf(" before encoding starts) or a placeholder point (if input size is not\n");
1117 printf(" determinable)\n");
1118 printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n");
1119 printf(" block of the given length (in bytes) after the\n");
1120 printf(" STREAMINFO block. This is useful if you plan\n");
1121 printf(" to tag the file later with an APPLICATION\n");
1122 printf(" block; instead of having to rewrite the entire\n");
1123 printf(" file later just to insert your block, you can\n");
1124 printf(" write directly over the PADDING block. Note\n");
1125 printf(" that the total length of the PADDING block will\n");
1126 printf(" be 4 bytes longer than the length given because\n");
1127 printf(" of the 4 metadata block header bytes. You can\n");
1128 printf(" force no PADDING block at all to be written with\n");
1129 printf(" --no-padding, which is the default.\n");
1130 printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n");
1131 printf(" 1152 for -l 0, else 4608; must be one of 192,\n");
1132 printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n");
1133 printf(" 4096, 8192, 16384, or 32768 (unless --lax is\n");
1135 printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n");
1136 printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n");
1137 printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n");
1138 printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n");
1139 printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n");
1140 printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n");
1141 printf(" -5 is the default setting\n");
1142 printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n");
1143 printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n");
1144 printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n");
1145 printf(" -m, --mid-side Try mid-side coding for each frame\n");
1146 printf(" (stereo only)\n");
1147 printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n");
1148 printf(" (stereo only)\n");
1149 printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n");
1151 /*@@@ deprecated: */
1152 printf(" -E, --escape-coding Do escape coding in the entropy coder.\n");
1153 printf(" This causes the encoder to use an\n");
1154 printf(" unencoded representation of the residual\n");
1155 printf(" in a partition if it is smaller. It\n");
1156 printf(" increases the runtime and usually results\n");
1157 printf(" in an improvement of less than 1%.\n");
1159 printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n");
1160 printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n");
1161 printf(" quantization (expensive!); overrides -q;\n");
1162 printf(" does nothing if using -l 0\n");
1163 printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n");
1164 printf(" linear-predictor coefficients; 0 => let\n");
1165 printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION);
1166 printf(" default is -q 0)\n");
1167 printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n");
1168 printf(" (# is 0..16; min defaults to 0; the\n");
1169 printf(" default is -r 0; above 4 doesn't usually\n");
1170 printf(" help much)\n");
1172 /*@@@ deprecated: */
1173 printf(" -R, -rice-parameter-search-distance=# Rice parameter search distance\n");
1175 printf("format options:\n");
1176 printf(" --endian={big|little} Set byte order for samples\n");
1177 printf(" --channels=# Number of channels\n");
1178 printf(" --bps=# Number of bits per sample\n");
1179 printf(" --sample-rate=# Sample rate in Hz\n");
1180 printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n");
1181 printf(" --force-raw-format Force input (when encoding) or output (when\n");
1182 printf(" decoding) to be treated as raw samples\n");
1183 printf("negative options:\n");
1184 printf(" --no-adaptive-mid-side\n");
1185 printf(" --no-decode-through-errors\n");
1186 printf(" --no-delete-input-file\n");
1188 /* @@@ deprecated: */
1189 printf(" --no-escape-coding\n");
1191 printf(" --no-exhaustive-model-search\n");
1192 printf(" --no-lax\n");
1193 printf(" --no-mid-side\n");
1194 #ifdef FLAC__HAS_OGG
1195 printf(" --no-ogg\n");
1197 printf(" --no-padding\n");
1198 printf(" --no-qlp-coeff-prec-search\n");
1199 printf(" --no-residual-gnuplot\n");
1200 printf(" --no-residual-text\n");
1201 printf(" --no-sector-align\n");
1202 printf(" --no-seektable\n");
1203 printf(" --no-silent\n");
1204 printf(" --no-verify\n");
1208 format_mistake(const char *infilename, const char *wrong, const char *right)
1210 fprintf(stderr, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right);
1213 int encode_file(const char *infilename, const char *forced_outfilename, FLAC__bool is_last_file)
1215 FILE *encode_infile;
1216 char outfilename[4096]; /* @@@ bad MAGIC NUMBER */
1218 FLAC__byte lookahead[12];
1219 unsigned lookahead_length = 0;
1220 FileFormat fmt= RAW;
1223 encode_options_t common_options;
1225 if(0 == strcmp(infilename, "-")) {
1227 encode_infile = file__get_binary_stdin();
1230 infilesize = flac__file_get_filesize(infilename);
1231 if(0 == (encode_infile = fopen(infilename, "rb"))) {
1232 fprintf(stderr, "ERROR: can't open input file %s\n", infilename);
1237 if(!option_values.force_raw_format) {
1238 /* first set format based on name */
1239 if(strlen(infilename) > 3 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".wav"))
1241 else if(strlen(infilename) > 3 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".aif"))
1243 else if(strlen(infilename) > 4 && 0 == strcasecmp(infilename+(strlen(infilename)-5), ".aiff"))
1246 /* attempt to guess the file type based on the first 12 bytes */
1247 if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) {
1249 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1253 if(!strncmp(lookahead, "RIFF", 4) && !strncmp(lookahead+8, "WAVE", 4))
1255 else if(!strncmp(lookahead, "FORM", 4) && !strncmp(lookahead+8, "AIFF", 4))
1259 format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw");
1265 if(option_values.sector_align && fmt == RAW && infilesize < 0) {
1266 fprintf(stderr, "ERROR: can't --sector-align when the input size is unknown\n");
1271 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)
1272 return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n");
1275 if(encode_infile == stdin || option_values.force_to_stdout)
1276 strcpy(outfilename, "-");
1278 const char *suffix = (option_values.use_ogg? ogg_suffix : flac_suffix);
1279 strcpy(outfilename, option_values.output_prefix? option_values.output_prefix : "");
1280 strcat(outfilename, infilename);
1281 if(0 == (p = strrchr(outfilename, '.')))
1282 strcat(outfilename, suffix);
1284 if(0 == strcmp(p, suffix)) {
1292 if(0 == forced_outfilename)
1293 forced_outfilename = outfilename;
1294 if(0 != option_values.cmdline_forced_outfilename)
1295 forced_outfilename = option_values.cmdline_forced_outfilename;
1297 common_options.verbose = option_values.verbose;
1298 common_options.skip = option_values.skip;
1299 common_options.verify = option_values.verify;
1300 #ifdef FLAC__HAS_OGG
1301 common_options.use_ogg = option_values.use_ogg;
1303 common_options.lax = option_values.lax;
1304 common_options.do_mid_side = option_values.do_mid_side;
1305 common_options.loose_mid_side = option_values.loose_mid_side;
1306 common_options.do_exhaustive_model_search = option_values.do_exhaustive_model_search;
1307 common_options.do_escape_coding = option_values.do_escape_coding;
1308 common_options.do_qlp_coeff_prec_search = option_values.do_qlp_coeff_prec_search;
1309 common_options.min_residual_partition_order = option_values.min_residual_partition_order;
1310 common_options.max_residual_partition_order = option_values.max_residual_partition_order;
1311 common_options.rice_parameter_search_dist = option_values.rice_parameter_search_dist;
1312 common_options.max_lpc_order = option_values.max_lpc_order;
1313 common_options.blocksize = (unsigned)option_values.blocksize;
1314 common_options.qlp_coeff_precision = option_values.qlp_coeff_precision;
1315 common_options.padding = option_values.padding;
1316 common_options.requested_seek_points = option_values.requested_seek_points;
1317 common_options.num_requested_seek_points = option_values.num_requested_seek_points;
1318 common_options.is_last_file = is_last_file;
1319 common_options.align_reservoir = align_reservoir;
1320 common_options.align_reservoir_samples = &align_reservoir_samples;
1321 common_options.sector_align = option_values.sector_align;
1324 raw_encode_options_t options;
1326 options.common = common_options;
1327 options.is_big_endian = option_values.format_is_big_endian;
1328 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1329 options.channels = option_values.format_channels;
1330 options.bps = option_values.format_bps;
1331 options.sample_rate = option_values.format_sample_rate;
1333 retval = flac__encode_raw(encode_infile, infilesize, infilename, forced_outfilename, lookahead, lookahead_length, options);
1336 wav_encode_options_t options;
1338 options.common = common_options;
1341 retval = flac__encode_aif(encode_infile, infilesize, infilename, forced_outfilename, lookahead, lookahead_length, options);
1343 retval = flac__encode_wav(encode_infile, infilesize, infilename, forced_outfilename, lookahead, lookahead_length, options);
1346 if(retval == 0 && strcmp(infilename, "-")) {
1347 if(strcmp(forced_outfilename, "-"))
1348 flac__file_copy_metadata(infilename, forced_outfilename);
1349 if(option_values.delete_input)
1356 int decode_file(const char *infilename, const char *forced_outfilename)
1358 static const char *suffixes[] = { ".wav", ".raw", ".ana" };
1359 char outfilename[4096]; /* @@@ bad MAGIC NUMBER */
1362 FLAC__bool treat_as_ogg = false;
1363 decode_options_t common_options;
1365 if(!option_values.test_only && !option_values.analyze) {
1366 if(option_values.force_raw_format && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0))
1367 return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n");
1370 if(0 == strcmp(infilename, "-") || option_values.force_to_stdout)
1371 strcpy(outfilename, "-");
1373 const char *suffix = suffixes[option_values.analyze? 2 : option_values.force_raw_format? 1 : 0];
1374 strcpy(outfilename, option_values.output_prefix? option_values.output_prefix : "");
1375 strcat(outfilename, infilename);
1376 if(0 == (p = strrchr(outfilename, '.')))
1377 strcat(outfilename, suffix);
1379 if(0 == strcmp(p, suffix)) {
1387 if(0 == forced_outfilename)
1388 forced_outfilename = outfilename;
1389 if(0 != option_values.cmdline_forced_outfilename)
1390 forced_outfilename = option_values.cmdline_forced_outfilename;
1392 if(option_values.use_ogg)
1393 treat_as_ogg = true;
1394 else if(0 == strcasecmp(infilename+(strlen(infilename)-4), ".ogg"))
1395 treat_as_ogg = true;
1397 treat_as_ogg = false;
1399 #ifndef FLAC__HAS_OGG
1401 fprintf(stderr, "%s: Ogg support has not been built into this copy of flac\n", infilename);
1406 common_options.verbose = option_values.verbose;
1407 common_options.continue_through_decode_errors = option_values.continue_through_decode_errors;
1408 #ifdef FLAC__HAS_OGG
1409 common_options.is_ogg = treat_as_ogg;
1411 common_options.skip = option_values.skip;
1413 if(!option_values.force_raw_format) {
1414 wav_decode_options_t options;
1416 options.common = common_options;
1418 retval = flac__decode_wav(infilename, option_values.test_only? 0 : forced_outfilename, option_values.analyze, option_values.aopts, options);
1421 raw_decode_options_t options;
1423 options.common = common_options;
1424 options.is_big_endian = option_values.format_is_big_endian;
1425 options.is_unsigned_samples = option_values.format_is_unsigned_samples;
1427 retval = flac__decode_raw(infilename, option_values.test_only? 0 : forced_outfilename, option_values.analyze, option_values.aopts, options);
1430 if(retval == 0 && strcmp(infilename, "-")) {
1431 if(strcmp(forced_outfilename, "-"))
1432 flac__file_copy_metadata(infilename, forced_outfilename);
1433 if(option_values.delete_input && !option_values.test_only && !option_values.analyze)
1440 void die(const char *message)
1442 FLAC__ASSERT(0 != message);
1443 fprintf(stderr, "ERROR: %s\n", message);
1447 char *local_strdup(const char *source)
1450 FLAC__ASSERT(0 != source);
1451 if(0 == (ret = strdup(source)))
1452 die("out of memory during strdup()");