/* flac - Command-line FLAC encoder/decoder * Copyright (C) 2000,2001,2002,2003,2004 Josh Coalson * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #ifdef Plan9 #include #endif #ifdef HAVE_CONFIG_H #include #endif #if !defined _MSC_VER && !defined __MINGW32__ /* unlink is in stdio.h in VC++ */ #include /* for unlink() */ #else #define strcasecmp stricmp #endif #include "FLAC/all.h" #include "grabbag.h" #include "analyze.h" #include "decode.h" #include "encode.h" #include "local_string_utils.h" /* for flac__strlcat() and flac__strlcpy() */ #include "utils.h" #include "vorbiscomment.h" #if 0 /*[JEC] was:#if HAVE_GETOPT_LONG*/ /*[JEC] see flac/include/share/getopt.h as to why the change */ # include #else # include "share/getopt.h" #endif typedef enum { RAW, WAV, AIF } FileFormat; static int do_it(); static FLAC__bool init_options(); static int parse_options(int argc, char *argv[]); static int parse_option(int short_option, const char *long_option, const char *option_argument); static void free_options(); static int usage_error(const char *message, ...); static void short_usage(); static void show_version(); static void show_help(); static void show_explain(); static void format_mistake(const char *infilename, const char *wrong, const char *right); static int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file); static int decode_file(const char *infilename); static const char *get_encoded_outfilename(const char *infilename); static const char *get_decoded_outfilename(const char *infilename); static const char *get_outfilename(const char *infilename, const char *suffix); static void die(const char *message); static char *local_strdup(const char *source); /* * share__getopt format struct; note that for long options with no * short option equivalent we just set the 'val' field to 0. */ static struct share__option long_options_[] = { /* * general options */ { "help" , share__no_argument, 0, 'h' }, { "explain" , share__no_argument, 0, 'H' }, { "version" , share__no_argument, 0, 'v' }, { "decode" , share__no_argument, 0, 'd' }, { "analyze" , share__no_argument, 0, 'a' }, { "test" , share__no_argument, 0, 't' }, { "stdout" , share__no_argument, 0, 'c' }, { "silent" , share__no_argument, 0, 's' }, { "totally-silent" , share__no_argument, 0, 0 }, { "force" , share__no_argument, 0, 'f' }, { "delete-input-file", share__no_argument, 0, 0 }, { "output-prefix" , share__required_argument, 0, 0 }, { "output-name" , share__required_argument, 0, 'o' }, { "skip" , share__required_argument, 0, 0 }, { "until" , share__required_argument, 0, 0 }, /* * decoding options */ { "decode-through-errors", share__no_argument, 0, 'F' }, { "cue" , share__required_argument, 0, 0 }, { "apply-replaygain-which-is-not-lossless", share__optional_argument, 0, 0 }, /* undocumented */ /* * encoding options */ { "cuesheet" , share__required_argument, 0, 0 }, { "no-cued-seekpoints" , share__no_argument, 0, 0 }, { "tag" , share__required_argument, 0, 'T' }, { "compression-level-0" , share__no_argument, 0, '0' }, { "compression-level-1" , share__no_argument, 0, '1' }, { "compression-level-2" , share__no_argument, 0, '2' }, { "compression-level-3" , share__no_argument, 0, '3' }, { "compression-level-4" , share__no_argument, 0, '4' }, { "compression-level-5" , share__no_argument, 0, '5' }, { "compression-level-6" , share__no_argument, 0, '6' }, { "compression-level-7" , share__no_argument, 0, '7' }, { "compression-level-8" , share__no_argument, 0, '8' }, { "compression-level-9" , share__no_argument, 0, '9' }, { "best" , share__no_argument, 0, '8' }, { "fast" , share__no_argument, 0, '0' }, { "super-secret-totally-impractical-compression-level", share__no_argument, 0, 0 }, { "verify" , share__no_argument, 0, 'V' }, { "force-aiff-format" , share__no_argument, 0, 0 }, { "force-raw-format" , share__no_argument, 0, 0 }, { "lax" , share__no_argument, 0, 0 }, { "replay-gain" , share__no_argument, 0, 0 }, { "sector-align" , share__no_argument, 0, 0 }, { "seekpoint" , share__required_argument, 0, 'S' }, { "padding" , share__required_argument, 0, 'P' }, #ifdef FLAC__HAS_OGG { "ogg" , share__no_argument, 0, 0 }, { "serial-number" , share__required_argument, 0, 0 }, #endif { "blocksize" , share__required_argument, 0, 'b' }, { "exhaustive-model-search" , share__no_argument, 0, 'e' }, { "max-lpc-order" , share__required_argument, 0, 'l' }, { "mid-side" , share__no_argument, 0, 'm' }, { "adaptive-mid-side" , share__no_argument, 0, 'M' }, { "qlp-coeff-precision-search", share__no_argument, 0, 'p' }, { "qlp-coeff-precision" , share__required_argument, 0, 'q' }, { "rice-partition-order" , share__required_argument, 0, 'r' }, { "endian" , share__required_argument, 0, 0 }, { "channels" , share__required_argument, 0, 0 }, { "bps" , share__required_argument, 0, 0 }, { "sample-rate" , share__required_argument, 0, 0 }, { "sign" , share__required_argument, 0, 0 }, /* * analysis options */ { "residual-gnuplot", share__no_argument, 0, 0 }, { "residual-text", share__no_argument, 0, 0 }, /* * negatives */ { "no-decode-through-errors" , share__no_argument, 0, 0 }, { "no-silent" , share__no_argument, 0, 0 }, { "no-force" , share__no_argument, 0, 0 }, { "no-seektable" , share__no_argument, 0, 0 }, { "no-delete-input-file" , share__no_argument, 0, 0 }, { "no-replay-gain" , share__no_argument, 0, 0 }, { "no-sector-align" , share__no_argument, 0, 0 }, { "no-lax" , share__no_argument, 0, 0 }, #ifdef FLAC__HAS_OGG { "no-ogg" , share__no_argument, 0, 0 }, #endif { "no-exhaustive-model-search", share__no_argument, 0, 0 }, { "no-mid-side" , share__no_argument, 0, 0 }, { "no-adaptive-mid-side" , share__no_argument, 0, 0 }, { "no-qlp-coeff-prec-search" , share__no_argument, 0, 0 }, { "no-padding" , share__no_argument, 0, 0 }, { "no-verify" , share__no_argument, 0, 0 }, { "no-residual-gnuplot" , share__no_argument, 0, 0 }, { "no-residual-text" , share__no_argument, 0, 0 }, /* * undocumented debugging options for the test suite */ { "disable-constant-subframes", share__no_argument, 0, 0 }, { "disable-fixed-subframes" , share__no_argument, 0, 0 }, { "disable-verbatim-subframes", share__no_argument, 0, 0 }, {0, 0, 0, 0} }; /* * global to hold command-line option values */ static struct { FLAC__bool show_help; FLAC__bool show_explain; FLAC__bool show_version; FLAC__bool mode_decode; FLAC__bool verify; FLAC__bool force_file_overwrite; FLAC__bool continue_through_decode_errors; replaygain_synthesis_spec_t replaygain_synthesis_spec; FLAC__bool lax; FLAC__bool test_only; FLAC__bool analyze; FLAC__bool use_ogg; FLAC__bool has_serial_number; /* true iff --serial-number was used */ long serial_number; /* this is the Ogg serial number and is unused for native FLAC */ FLAC__bool do_mid_side; FLAC__bool loose_mid_side; FLAC__bool do_exhaustive_model_search; FLAC__bool do_escape_coding; FLAC__bool do_qlp_coeff_prec_search; FLAC__bool force_to_stdout; FLAC__bool force_aiff_format; FLAC__bool force_raw_format; FLAC__bool delete_input; FLAC__bool replay_gain; FLAC__bool sector_align; const char *cmdline_forced_outfilename; const char *output_prefix; analysis_options aopts; int padding; unsigned max_lpc_order; unsigned qlp_coeff_precision; const char *skip_specification; const char *until_specification; const char *cue_specification; int format_is_big_endian; int format_is_unsigned_samples; int format_channels; int format_bps; int format_sample_rate; int blocksize; int min_residual_partition_order; int max_residual_partition_order; int rice_parameter_search_dist; char requested_seek_points[50000]; /* bad MAGIC NUMBER but buffer overflow is checked */ int num_requested_seek_points; /* -1 => no -S options were given, 0 => -S- was given */ const char *cuesheet_filename; FLAC__bool cued_seekpoints; unsigned num_files; char **filenames; FLAC__StreamMetadata *vorbis_comment; struct { FLAC__bool disable_constant_subframes; FLAC__bool disable_fixed_subframes; FLAC__bool disable_verbatim_subframes; } debug; } option_values; /* * miscellaneous globals */ static FLAC__int32 align_reservoir_0[588], align_reservoir_1[588]; /* for carrying over samples from --sector-align */ static FLAC__int32 *align_reservoir[2] = { align_reservoir_0, align_reservoir_1 }; static unsigned align_reservoir_samples = 0; /* 0 .. 587 */ int main(int argc, char *argv[]) { int retval = 0; setlocale(LC_ALL, ""); if(!init_options()) { flac__utils_printf(stderr, 1, "ERROR: allocating memory\n"); retval = 1; } else { if((retval = parse_options(argc, argv)) == 0) retval = do_it(); } free_options(); return retval; } int do_it() { int retval = 0; if(option_values.show_version) { show_version(); return 0; } else if(option_values.show_explain) { show_explain(); return 0; } else if(option_values.show_help) { show_help(); return 0; } else { if(option_values.num_files == 0) { if(flac__utils_verbosity_ >= 1) short_usage(); return 0; } /* * tweak options; validate the values */ if(!option_values.mode_decode) { if(option_values.blocksize < 0) { if(option_values.max_lpc_order == 0) option_values.blocksize = 1152; else option_values.blocksize = 4608; } if(option_values.max_residual_partition_order < 0) { if(option_values.blocksize <= 1152) option_values.max_residual_partition_order = 2; else if(option_values.blocksize <= 2304) option_values.max_residual_partition_order = 3; else if(option_values.blocksize <= 4608) option_values.max_residual_partition_order = 3; else option_values.max_residual_partition_order = 4; option_values.min_residual_partition_order = option_values.max_residual_partition_order; } if(option_values.rice_parameter_search_dist < 0) { option_values.rice_parameter_search_dist = 0; } if(0 != option_values.cue_specification) return usage_error("ERROR: --cue is not allowed in test mode\n"); } else { if(option_values.test_only) { if(0 != option_values.skip_specification) return usage_error("ERROR: --skip is not allowed in test mode\n"); if(0 != option_values.until_specification) return usage_error("ERROR: --until is not allowed in test mode\n"); if(0 != option_values.cue_specification) return usage_error("ERROR: --cue is not allowed in test mode\n"); } } if(0 != option_values.cue_specification && (0 != option_values.skip_specification || 0 != option_values.until_specification)) return usage_error("ERROR: --cue may not be combined with --skip or --until\n"); FLAC__ASSERT(option_values.blocksize >= 0 || option_values.mode_decode); if(option_values.format_channels >= 0) { if(option_values.format_channels == 0 || (unsigned)option_values.format_channels > FLAC__MAX_CHANNELS) return usage_error("ERROR: invalid number of channels '%u', must be > 0 and <= %u\n", option_values.format_channels, FLAC__MAX_CHANNELS); } if(option_values.format_bps >= 0) { if(option_values.format_bps != 8 && option_values.format_bps != 16 && option_values.format_bps != 24) return usage_error("ERROR: invalid bits per sample '%u' (must be 8/16/24)\n", option_values.format_bps); } if(option_values.format_sample_rate >= 0) { if(!FLAC__format_sample_rate_is_valid(option_values.format_sample_rate)) return usage_error("ERROR: invalid sample rate '%u', must be > 0 and <= %u\n", option_values.format_sample_rate, FLAC__MAX_SAMPLE_RATE); } if(option_values.force_raw_format && option_values.force_aiff_format) return usage_error("ERROR: only one of --force-raw-format and --force-aiff-format allowed\n"); if(option_values.mode_decode) { if(!option_values.force_raw_format) { if(option_values.format_is_big_endian >= 0) return usage_error("ERROR: --endian only allowed with --force-raw-format\n"); if(option_values.format_is_unsigned_samples >= 0) return usage_error("ERROR: --sign only allowed with --force-raw-format\n"); } if(option_values.format_channels >= 0) return usage_error("ERROR: --channels not allowed with --decode\n"); if(option_values.format_bps >= 0) return usage_error("ERROR: --bps not allowed with --decode\n"); if(option_values.format_sample_rate >= 0) return usage_error("ERROR: --sample-rate not allowed with --decode\n"); } if(!option_values.mode_decode && ((unsigned)option_values.blocksize < FLAC__MIN_BLOCK_SIZE || (unsigned)option_values.blocksize > FLAC__MAX_BLOCK_SIZE)) { 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); } if(option_values.qlp_coeff_precision > 0 && option_values.qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION) { 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); } if(option_values.sector_align) { if(option_values.mode_decode) return usage_error("ERROR: --sector-align only allowed for encoding\n"); if(0 != option_values.skip_specification) return usage_error("ERROR: --sector-align not allowed with --skip\n"); if(0 != option_values.until_specification) return usage_error("ERROR: --sector-align not allowed with --until\n"); if(0 != option_values.cue_specification) return usage_error("ERROR: --sector-align not allowed with --cue\n"); if(option_values.format_channels >= 0 && option_values.format_channels != 2) return usage_error("ERROR: --sector-align can only be done with stereo input\n"); if(option_values.format_bps >= 0 && option_values.format_bps != 16) return usage_error("ERROR: --sector-align can only be done with 16-bit samples\n"); if(option_values.format_sample_rate >= 0 && option_values.format_sample_rate != 44100) return usage_error("ERROR: --sector-align can only be done with a sample rate of 44100\n"); } if(option_values.replay_gain) { if(option_values.force_to_stdout) return usage_error("ERROR: --replay-gain not allowed with -c/--stdout\n"); if(option_values.mode_decode) return usage_error("ERROR: --replay-gain only allowed for encoding\n"); if(option_values.format_channels > 2) return usage_error("ERROR: --replay-gain can only be done with mono/stereo input\n"); if(option_values.format_sample_rate >= 0 && !grabbag__replaygain_is_valid_sample_frequency(option_values.format_sample_rate)) return usage_error("ERROR: invalid sample rate used with --replay-gain\n"); /* * We want to reserve padding space for the ReplayGain * tags that we will set later, to avoid rewriting the * whole file. */ if(option_values.padding < 0) { flac__utils_printf(stderr, 1, "NOTE: --replay-gain may leave a small PADDING block even with --no-padding\n"); option_values.padding = GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED; } else { option_values.padding += GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED; } } if(option_values.num_files > 1 && option_values.cmdline_forced_outfilename) { return usage_error("ERROR: -o/--output-name cannot be used with multiple files\n"); } if(option_values.cmdline_forced_outfilename && option_values.output_prefix) { return usage_error("ERROR: --output-prefix conflicts with -o/--output-name\n"); } if(!option_values.mode_decode && 0 != option_values.cuesheet_filename && option_values.num_files > 1) { return usage_error("ERROR: --cuesheet cannot be used when encoding multiple files\n"); } } flac__utils_printf(stderr, 2, "\n"); flac__utils_printf(stderr, 2, "flac %s, Copyright (C) 2000,2001,2002,2003,2004 Josh Coalson\n", FLAC__VERSION_STRING); flac__utils_printf(stderr, 2, "flac comes with ABSOLUTELY NO WARRANTY. This is free software, and you are\n"); flac__utils_printf(stderr, 2, "welcome to redistribute it under certain conditions. Type `flac' for details.\n\n"); if(!option_values.mode_decode) { char padopt[16]; if(option_values.padding < 0) strcpy(padopt, "-"); else sprintf(padopt, " %d", option_values.padding); flac__utils_printf(stderr, 2, "options:%s%s%s%s -P%s -b %u%s -l %u%s%s%s -q %u -r %u,%u%s\n", option_values.delete_input?" --delete-input-file":"", option_values.sector_align?" --sector-align":"", option_values.use_ogg?" --ogg":"", option_values.lax?" --lax":"", padopt, (unsigned)option_values.blocksize, option_values.loose_mid_side?" -M":option_values.do_mid_side?" -m":"", option_values.max_lpc_order, option_values.do_exhaustive_model_search?" -e":"", option_values.do_escape_coding?" -E":"", option_values.do_qlp_coeff_prec_search?" -p":"", option_values.qlp_coeff_precision, (unsigned)option_values.min_residual_partition_order, (unsigned)option_values.max_residual_partition_order, option_values.verify? " -V":"" ); } if(option_values.mode_decode) { FLAC__bool first = true; if(option_values.num_files == 0) { retval = decode_file("-"); } else { unsigned i; if(option_values.num_files > 1) option_values.cmdline_forced_outfilename = 0; for(i = 0, retval = 0; i < option_values.num_files; i++) { if(0 == strcmp(option_values.filenames[i], "-") && !first) continue; retval |= decode_file(option_values.filenames[i]); first = false; } } } else { /* encode */ FLAC__bool first = true; if(option_values.num_files == 0) { retval = encode_file("-", first, true); } else { unsigned i; if(option_values.num_files > 1) option_values.cmdline_forced_outfilename = 0; for(i = 0, retval = 0; i < option_values.num_files; i++) { if(0 == strcmp(option_values.filenames[i], "-") && !first) continue; retval |= encode_file(option_values.filenames[i], first, i == (option_values.num_files-1)); first = false; } if(option_values.replay_gain && retval == 0) { float album_gain, album_peak; grabbag__replaygain_get_album(&album_gain, &album_peak); for(i = 0; i < option_values.num_files; i++) { const char *error, *outfilename = get_encoded_outfilename(option_values.filenames[i]); if(0 == outfilename) { flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", option_values.filenames[i]); return 1; } if(0 == strcmp(option_values.filenames[i], "-")) { FLAC__ASSERT(0); /* double protection */ flac__utils_printf(stderr, 1, "internal error\n"); return 2; } if(0 != (error = grabbag__replaygain_store_to_file_album(outfilename, album_gain, album_peak, /*preserve_modtime=*/true))) { flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain album tags\n", outfilename); retval = 1; } } } } } return retval; } FLAC__bool init_options() { option_values.show_help = false; option_values.show_explain = false; option_values.mode_decode = false; option_values.verify = false; option_values.force_file_overwrite = false; option_values.continue_through_decode_errors = false; option_values.replaygain_synthesis_spec.apply = false; option_values.replaygain_synthesis_spec.use_album_gain = true; option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD; option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_LOW; option_values.replaygain_synthesis_spec.preamp = 0.0; option_values.lax = false; option_values.test_only = false; option_values.analyze = false; option_values.use_ogg = false; option_values.has_serial_number = false; option_values.serial_number = 0; option_values.do_mid_side = true; option_values.loose_mid_side = false; option_values.do_exhaustive_model_search = false; option_values.do_escape_coding = false; option_values.do_qlp_coeff_prec_search = false; option_values.force_to_stdout = false; option_values.force_aiff_format = false; option_values.force_raw_format = false; option_values.delete_input = false; option_values.replay_gain = false; option_values.sector_align = false; option_values.cmdline_forced_outfilename = 0; option_values.output_prefix = 0; option_values.aopts.do_residual_text = false; option_values.aopts.do_residual_gnuplot = false; option_values.padding = 4096; option_values.max_lpc_order = 8; option_values.qlp_coeff_precision = 0; option_values.skip_specification = 0; option_values.until_specification = 0; option_values.cue_specification = 0; option_values.format_is_big_endian = -1; option_values.format_is_unsigned_samples = -1; option_values.format_channels = -1; option_values.format_bps = -1; option_values.format_sample_rate = -1; option_values.blocksize = -1; option_values.min_residual_partition_order = -1; option_values.max_residual_partition_order = -1; option_values.rice_parameter_search_dist = -1; option_values.requested_seek_points[0] = '\0'; option_values.num_requested_seek_points = -1; option_values.cuesheet_filename = 0; option_values.cued_seekpoints = true; option_values.num_files = 0; option_values.filenames = 0; if(0 == (option_values.vorbis_comment = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT))) return false; option_values.debug.disable_constant_subframes = false; option_values.debug.disable_fixed_subframes = false; option_values.debug.disable_verbatim_subframes = false; return true; } int parse_options(int argc, char *argv[]) { int short_option; int option_index = 1; FLAC__bool had_error = false; const char *short_opts = "0123456789ab:cdefFhHl:mMo:pP:q:r:sS:tT:vV"; while ((short_option = share__getopt_long(argc, argv, short_opts, long_options_, &option_index)) != -1) { switch (short_option) { case 0: /* long option with no equivalent short option */ had_error |= (parse_option(short_option, long_options_[option_index].name, share__optarg) != 0); break; case '?': case ':': had_error = true; break; default: /* short option */ had_error |= (parse_option(short_option, 0, share__optarg) != 0); break; } } if(had_error) { return 1; } FLAC__ASSERT(share__optind <= argc); option_values.num_files = argc - share__optind; if(option_values.num_files > 0) { unsigned i = 0; if(0 == (option_values.filenames = malloc(sizeof(char *) * option_values.num_files))) die("out of memory allocating space for file names list"); while(share__optind < argc) option_values.filenames[i++] = local_strdup(argv[share__optind++]); } return 0; } int parse_option(int short_option, const char *long_option, const char *option_argument) { char *p; if(short_option == 0) { FLAC__ASSERT(0 != long_option); if(0 == strcmp(long_option, "totally-silent")) { flac__utils_verbosity_ = 0; } else if(0 == strcmp(long_option, "delete-input-file")) { option_values.delete_input = true; } else if(0 == strcmp(long_option, "output-prefix")) { FLAC__ASSERT(0 != option_argument); option_values.output_prefix = option_argument; } else if(0 == strcmp(long_option, "skip")) { FLAC__ASSERT(0 != option_argument); option_values.skip_specification = option_argument; } else if(0 == strcmp(long_option, "until")) { FLAC__ASSERT(0 != option_argument); option_values.until_specification = option_argument; } else if(0 == strcmp(long_option, "cue")) { FLAC__ASSERT(0 != option_argument); option_values.cue_specification = option_argument; } else if(0 == strcmp(long_option, "apply-replaygain-which-is-not-lossless")) { option_values.replaygain_synthesis_spec.apply = true; if (0 != option_argument) { char *p; option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__NONE; option_values.replaygain_synthesis_spec.noise_shaping = NOISE_SHAPING_NONE; option_values.replaygain_synthesis_spec.preamp = strtod(option_argument, &p); for ( ; *p; p++) { if (*p == 'a') option_values.replaygain_synthesis_spec.use_album_gain = true; else if (*p == 't') option_values.replaygain_synthesis_spec.use_album_gain = false; else if (*p == 'l') option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__PEAK; else if (*p == 'L') option_values.replaygain_synthesis_spec.limiter = RGSS_LIMIT__HARD; else if (*p == 'n' && p[1] >= '0' && p[1] <= '3') { option_values.replaygain_synthesis_spec.noise_shaping = p[1] - '0'; p++; } else return usage_error("ERROR: bad specification string \"%s\" for --%s\n", option_argument, long_option); } } } else if(0 == strcmp(long_option, "cuesheet")) { FLAC__ASSERT(0 != option_argument); option_values.cuesheet_filename = option_argument; } else if(0 == strcmp(long_option, "no-cued-seekpoints")) { option_values.cued_seekpoints = false; } else if(0 == strcmp(long_option, "super-secret-totally-impractical-compression-level")) { option_values.lax = true; option_values.do_exhaustive_model_search = true; option_values.do_escape_coding = true; option_values.do_mid_side = true; option_values.loose_mid_side = false; option_values.do_qlp_coeff_prec_search = true; option_values.min_residual_partition_order = 0; option_values.max_residual_partition_order = 16; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 32; } else if(0 == strcmp(long_option, "force-aiff-format")) { option_values.force_aiff_format = true; } else if(0 == strcmp(long_option, "force-raw-format")) { option_values.force_raw_format = true; } else if(0 == strcmp(long_option, "lax")) { option_values.lax = true; } else if(0 == strcmp(long_option, "replay-gain")) { option_values.replay_gain = true; } else if(0 == strcmp(long_option, "sector-align")) { option_values.sector_align = true; } #ifdef FLAC__HAS_OGG else if(0 == strcmp(long_option, "ogg")) { option_values.use_ogg = true; } else if(0 == strcmp(long_option, "serial-number")) { option_values.has_serial_number = true; option_values.serial_number = atol(option_argument); } #endif else if(0 == strcmp(long_option, "endian")) { FLAC__ASSERT(0 != option_argument); if(0 == strncmp(option_argument, "big", strlen(option_argument))) option_values.format_is_big_endian = true; else if(0 == strncmp(option_argument, "little", strlen(option_argument))) option_values.format_is_big_endian = false; else return usage_error("ERROR: argument to --endian must be \"big\" or \"little\"\n"); } else if(0 == strcmp(long_option, "channels")) { FLAC__ASSERT(0 != option_argument); option_values.format_channels = atoi(option_argument); } else if(0 == strcmp(long_option, "bps")) { FLAC__ASSERT(0 != option_argument); option_values.format_bps = atoi(option_argument); } else if(0 == strcmp(long_option, "sample-rate")) { FLAC__ASSERT(0 != option_argument); option_values.format_sample_rate = atoi(option_argument); } else if(0 == strcmp(long_option, "sign")) { FLAC__ASSERT(0 != option_argument); if(0 == strncmp(option_argument, "signed", strlen(option_argument))) option_values.format_is_unsigned_samples = false; else if(0 == strncmp(option_argument, "unsigned", strlen(option_argument))) option_values.format_is_unsigned_samples = true; else return usage_error("ERROR: argument to --sign must be \"signed\" or \"unsigned\"\n"); } else if(0 == strcmp(long_option, "residual-gnuplot")) { option_values.aopts.do_residual_gnuplot = true; } else if(0 == strcmp(long_option, "residual-text")) { option_values.aopts.do_residual_text = true; } /* * negatives */ else if(0 == strcmp(long_option, "no-decode-through-errors")) { option_values.continue_through_decode_errors = false; } else if(0 == strcmp(long_option, "no-silent")) { flac__utils_verbosity_ = 2; } else if(0 == strcmp(long_option, "no-force")) { option_values.force_file_overwrite = false; } else if(0 == strcmp(long_option, "no-seektable")) { option_values.num_requested_seek_points = 0; option_values.requested_seek_points[0] = '\0'; } else if(0 == strcmp(long_option, "no-delete-input-file")) { option_values.delete_input = false; } else if(0 == strcmp(long_option, "no-replay-gain")) { option_values.replay_gain = false; } else if(0 == strcmp(long_option, "no-sector-align")) { option_values.sector_align = false; } else if(0 == strcmp(long_option, "no-lax")) { option_values.lax = false; } #ifdef FLAC__HAS_OGG else if(0 == strcmp(long_option, "no-ogg")) { option_values.use_ogg = false; } #endif else if(0 == strcmp(long_option, "no-exhaustive-model-search")) { option_values.do_exhaustive_model_search = false; } else if(0 == strcmp(long_option, "no-mid-side")) { option_values.do_mid_side = option_values.loose_mid_side = false; } else if(0 == strcmp(long_option, "no-adaptive-mid-side")) { option_values.loose_mid_side = option_values.do_mid_side = false; } else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) { option_values.do_qlp_coeff_prec_search = false; } else if(0 == strcmp(long_option, "no-padding")) { option_values.padding = -1; } else if(0 == strcmp(long_option, "no-verify")) { option_values.verify = false; } else if(0 == strcmp(long_option, "no-residual-gnuplot")) { option_values.aopts.do_residual_gnuplot = false; } else if(0 == strcmp(long_option, "no-residual-text")) { option_values.aopts.do_residual_text = false; } else if(0 == strcmp(long_option, "disable-constant-subframes")) { option_values.debug.disable_constant_subframes = true; } else if(0 == strcmp(long_option, "disable-fixed-subframes")) { option_values.debug.disable_fixed_subframes = true; } else if(0 == strcmp(long_option, "disable-verbatim-subframes")) { option_values.debug.disable_verbatim_subframes = true; } } else { const char *violation; switch(short_option) { case 'h': option_values.show_help = true; break; case 'H': option_values.show_explain = true; break; case 'v': option_values.show_version = true; break; case 'd': option_values.mode_decode = true; break; case 'a': option_values.mode_decode = true; option_values.analyze = true; break; case 't': option_values.mode_decode = true; option_values.test_only = true; break; case 'c': option_values.force_to_stdout = true; break; case 's': flac__utils_verbosity_ = 1; break; case 'f': option_values.force_file_overwrite = true; break; case 'o': FLAC__ASSERT(0 != option_argument); option_values.cmdline_forced_outfilename = option_argument; break; case 'F': option_values.continue_through_decode_errors = true; break; case 'T': FLAC__ASSERT(0 != option_argument); if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, &violation)) return usage_error("ERROR: (-T/--tag) %s\n", violation); break; case '0': option_values.do_exhaustive_model_search = false; option_values.do_escape_coding = false; option_values.do_mid_side = false; option_values.loose_mid_side = false; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 0; break; case '1': option_values.do_exhaustive_model_search = false; option_values.do_escape_coding = false; option_values.do_mid_side = true; option_values.loose_mid_side = true; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = option_values.max_residual_partition_order = 2; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 0; break; case '2': option_values.do_exhaustive_model_search = false; option_values.do_escape_coding = false; option_values.do_mid_side = true; option_values.loose_mid_side = false; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = 0; option_values.max_residual_partition_order = 3; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 0; break; case '3': option_values.do_exhaustive_model_search = false; option_values.do_escape_coding = false; option_values.do_mid_side = false; option_values.loose_mid_side = false; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 6; break; case '4': option_values.do_exhaustive_model_search = false; option_values.do_escape_coding = false; option_values.do_mid_side = true; option_values.loose_mid_side = true; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 8; break; case '5': option_values.do_exhaustive_model_search = false; option_values.do_escape_coding = false; option_values.do_mid_side = true; option_values.loose_mid_side = false; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = option_values.max_residual_partition_order = 3; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 8; break; case '6': option_values.do_exhaustive_model_search = false; option_values.do_escape_coding = false; option_values.do_mid_side = true; option_values.loose_mid_side = false; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = 0; option_values.max_residual_partition_order = 4; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 8; break; case '7': option_values.do_exhaustive_model_search = true; option_values.do_escape_coding = false; option_values.do_mid_side = true; option_values.loose_mid_side = false; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = 0; option_values.max_residual_partition_order = 6; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 8; break; case '8': option_values.do_exhaustive_model_search = true; option_values.do_escape_coding = false; option_values.do_mid_side = true; option_values.loose_mid_side = false; option_values.qlp_coeff_precision = 0; option_values.min_residual_partition_order = 0; option_values.max_residual_partition_order = 6; option_values.rice_parameter_search_dist = 0; option_values.max_lpc_order = 12; break; case '9': return usage_error("ERROR: compression level '9' is reserved\n"); case 'V': option_values.verify = true; break; case 'S': FLAC__ASSERT(0 != option_argument); if(option_values.num_requested_seek_points < 0) option_values.num_requested_seek_points = 0; option_values.num_requested_seek_points++; if(strlen(option_values.requested_seek_points)+strlen(option_argument)+2 >= sizeof(option_values.requested_seek_points)) { return usage_error("ERROR: too many seekpoints requested\n"); } else { strcat(option_values.requested_seek_points, option_argument); strcat(option_values.requested_seek_points, ";"); } break; case 'P': FLAC__ASSERT(0 != option_argument); option_values.padding = atoi(option_argument); if(option_values.padding < 0) return usage_error("ERROR: argument to -P must be >= 0\n"); break; case 'b': FLAC__ASSERT(0 != option_argument); option_values.blocksize = atoi(option_argument); break; case 'e': option_values.do_exhaustive_model_search = true; break; case 'E': option_values.do_escape_coding = true; break; case 'l': FLAC__ASSERT(0 != option_argument); option_values.max_lpc_order = atoi(option_argument); break; case 'm': option_values.do_mid_side = true; option_values.loose_mid_side = false; break; case 'M': option_values.loose_mid_side = option_values.do_mid_side = true; break; case 'p': option_values.do_qlp_coeff_prec_search = true; break; case 'q': FLAC__ASSERT(0 != option_argument); option_values.qlp_coeff_precision = atoi(option_argument); break; case 'r': FLAC__ASSERT(0 != option_argument); p = strchr(option_argument, ','); if(0 == p) { option_values.min_residual_partition_order = 0; option_values.max_residual_partition_order = atoi(option_argument); } else { option_values.min_residual_partition_order = atoi(option_argument); option_values.max_residual_partition_order = atoi(++p); } break; case 'R': FLAC__ASSERT(0 != option_argument); option_values.rice_parameter_search_dist = atoi(option_argument); break; default: FLAC__ASSERT(0); } } return 0; } void free_options() { unsigned i; if(0 != option_values.filenames) { for(i = 0; i < option_values.num_files; i++) { if(0 != option_values.filenames[i]) free(option_values.filenames[i]); } free(option_values.filenames); } if(0 != option_values.vorbis_comment) FLAC__metadata_object_delete(option_values.vorbis_comment); } int usage_error(const char *message, ...) { if(flac__utils_verbosity_ >= 1) { va_list args; FLAC__ASSERT(0 != message); va_start(args, message); (void) vfprintf(stderr, message, args); va_end(args); printf("Type \"flac\" for a usage summary or \"flac --help\" for all options\n"); } return 1; } void show_version() { printf("flac %s\n", FLAC__VERSION_STRING); } static void usage_header() { printf("===============================================================================\n"); printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING); printf("Copyright (C) 2000,2001,2002,2003,2004 Josh Coalson\n"); printf("\n"); printf("This program is free software; you can redistribute it and/or\n"); printf("modify it under the terms of the GNU General Public License\n"); printf("as published by the Free Software Foundation; either version 2\n"); printf("of the License, or (at your option) any later version.\n"); printf("\n"); printf("This program is distributed in the hope that it will be useful,\n"); printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n"); printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"); printf("GNU General Public License for more details.\n"); printf("\n"); printf("You should have received a copy of the GNU General Public License\n"); printf("along with this program; if not, write to the Free Software\n"); printf("Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n"); printf("===============================================================================\n"); } static void usage_summary() { printf("Usage:\n"); printf("\n"); printf(" Encoding: flac [] [] [INPUTFILE [...]]\n"); printf(" Decoding: flac -d [] [] [FLACFILE [...]]\n"); printf(" Testing: flac -t [] [FLACFILE [...]]\n"); printf("Analyzing: flac -a [] [] [FLACFILE [...]]\n"); printf("\n"); } void short_usage() { usage_header(); printf("\n"); printf("This is the short help; for all options use 'flac --help'; for even more\n"); printf("instructions use 'flac --explain'\n"); printf("\n"); printf("To encode:\n"); printf(" flac [-#] [INPUTFILE [...]]\n"); printf("\n"); printf(" -# is -0 (fastest compression) to -8 (highest compression); -5 is the default\n"); printf("\n"); printf("To decode:\n"); printf(" flac -d [INPUTFILE [...]]\n"); printf("\n"); printf("To test:\n"); printf(" flac -t [INPUTFILE [...]]\n"); } void show_help() { usage_header(); usage_summary(); printf("general options:\n"); printf(" -v, --version Show the flac version number\n"); printf(" -h, --help Show this screen\n"); printf(" -H, --explain Show detailed explanation of usage and options\n"); printf(" -d, --decode Decode (the default behavior is to encode)\n"); printf(" -t, --test Same as -d except no decoded file is written\n"); printf(" -a, --analyze Same as -d except an analysis file is written\n"); printf(" -c, --stdout Write output to stdout\n"); printf(" -s, --silent Do not write runtime encode/decode statistics\n"); printf(" --totally-silent Do not print anything, including errors\n"); printf(" -f, --force Force overwriting of output files\n"); printf(" -o, --output-name=FILENAME Force the output file name\n"); printf(" --output-prefix=STRING Prepend STRING to output names\n"); printf(" --delete-input-file Deletes after a successful encode/decode\n"); printf(" --skip={#|mm:ss.ss} Skip the given initial samples for each input\n"); printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample for each input file\n"); #ifdef FLAC__HAS_OGG printf(" --ogg Use Ogg as transport layer\n"); printf(" --serial-number Serial number to use for the FLAC stream\n"); #endif printf("analysis options:\n"); printf(" --residual-text Include residual signal in text output\n"); printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n"); printf("decoding options:\n"); printf(" -F, --decode-through-errors Continue decoding through stream errors\n"); printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to decode\n"); printf("encoding options:\n"); printf(" -V, --verify Verify a correct encoding\n"); printf(" --lax Allow encoder to generate non-Subset files\n"); printf(" --sector-align Align multiple files on sector boundaries\n"); printf(" --replay-gain Calculate ReplayGain & store in Vorbis comments\n"); printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n"); printf(" -T, --tag=FIELD=VALUE Add a Vorbis comment; may appear multiple times\n"); printf(" -S, --seekpoint={#|X|#x|#s} Add seek point(s)\n"); printf(" -P, --padding=# Write a PADDING block of length #\n"); printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n"); printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n"); printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n"); printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n"); printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n"); printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n"); printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n"); printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n"); printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n"); printf(" -b, --blocksize=# Specify blocksize in samples\n"); printf(" -m, --mid-side Try mid-side coding for each frame\n"); printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n"); printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n"); printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n"); printf(" -p, --qlp-coeff-precision-search Exhaustively search LP coeff quantization\n"); printf(" -q, --qlp-coeff-precision=# Specify precision in bits\n"); printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n"); printf("format options:\n"); printf(" --endian={big|little} Set byte order for samples\n"); printf(" --channels=# Number of channels\n"); printf(" --bps=# Number of bits per sample\n"); printf(" --sample-rate=# Sample rate in Hz\n"); printf(" --sign={signed|unsigned} Sign of samples\n"); printf(" --force-aiff-format Force decoding to AIFF format\n"); printf(" --force-raw-format Treat input or output as raw samples\n"); printf("negative options:\n"); printf(" --no-adaptive-mid-side\n"); printf(" --no-decode-through-errors\n"); printf(" --no-delete-input-file\n"); printf(" --no-exhaustive-model-search\n"); printf(" --no-lax\n"); printf(" --no-mid-side\n"); #ifdef FLAC__HAS_OGG printf(" --no-ogg\n"); #endif printf(" --no-padding\n"); printf(" --no-qlp-coeff-prec-search\n"); printf(" --no-replay-gain\n"); printf(" --no-residual-gnuplot\n"); printf(" --no-residual-text\n"); printf(" --no-sector-align\n"); printf(" --no-seektable\n"); printf(" --no-silent\n"); printf(" --no-force\n"); printf(" --no-verify\n"); } void show_explain() { usage_header(); usage_summary(); printf("For encoding:\n"); printf(" The input file(s) may be a PCM RIFF WAVE file, AIFF file, or raw samples.\n"); printf(" The output file(s) will be in native FLAC or Ogg FLAC format\n"); printf("For decoding, the reverse is true.\n"); printf("\n"); printf("A single INPUTFILE may be - for stdin. No INPUTFILE implies stdin. Use of\n"); printf("stdin implies -c (write to stdout). Normally you should use:\n"); printf(" flac [options] -o outfilename or flac -d [options] -o outfilename\n"); printf("instead of:\n"); printf(" flac [options] > outfilename or flac -d [options] > outfilename\n"); printf("since the former allows flac to seek backwards to write the STREAMINFO or\n"); printf("WAVE/AIFF header contents when necessary.\n"); printf("\n"); printf("flac checks for the presence of a AIFF/WAVE header to decide whether or not to\n"); printf("treat an input file as AIFF/WAVE format or raw samples. If any input file is\n"); printf("raw you must specify the format options {-fb|fl} -fc -fp and -fs, which will\n"); printf("apply to all raw files. You can force AIFF/WAVE files to be treated as raw\n"); printf("files using -fr.\n"); printf("\n"); printf("general options:\n"); printf(" -v, --version Show the flac version number\n"); printf(" -h, --help Show basic usage a list of all options\n"); printf(" -H, --explain Show this screen\n"); printf(" -d, --decode Decode (the default behavior is to encode)\n"); printf(" -t, --test Same as -d except no decoded file is written\n"); printf(" -a, --analyze Same as -d except an analysis file is written\n"); printf(" -c, --stdout Write output to stdout\n"); printf(" -s, --silent Do not write runtime encode/decode statistics\n"); printf(" --totally-silent Do not print anything of any kind, including\n"); printf(" warnings or errors. The exit code will be the\n"); printf(" only way to determine successful completion.\n"); printf(" -f, --force Force overwriting of output files\n"); printf(" -o, --output-name=FILENAME Force the output file name; usually flac just\n"); printf(" changes the extension. May only be used when\n"); printf(" encoding a single file. May not be used in\n"); printf(" conjunction with --output-prefix.\n"); printf(" --output-prefix=STRING Prefix each output file name with the given\n"); printf(" STRING. This can be useful for encoding or\n"); printf(" decoding files to a different directory. Make\n"); printf(" sure if your STRING is a path name that it ends\n"); printf(" with a '/' slash.\n"); printf(" --delete-input-file Automatically delete the input file after a\n"); printf(" successful encode or decode. If there was an\n"); printf(" error (including a verify error) the input file\n"); printf(" is left intact.\n"); printf(" --skip={#|mm:ss.ss} Skip the first # samples of each input file; can\n"); printf(" be used both for encoding and decoding. The\n"); printf(" alternative form mm:ss.ss can be used to specify\n"); printf(" minutes, seconds, and fractions of a second.\n"); printf(" --until={#|[+|-]mm:ss.ss} Stop at the given sample number for each input\n"); printf(" file. The given sample number is not included\n"); printf(" in the decoded output. The alternative form\n"); printf(" mm:ss.ss can be used to specify minutes,\n"); printf(" seconds, and fractions of a second. If a `+'\n"); printf(" sign is at the beginning, the --until point is\n"); printf(" relative to the --skip point. If a `-' sign is\n"); printf(" at the beginning, the --until point is relative\n"); printf(" to end of the audio.\n"); #ifdef FLAC__HAS_OGG printf(" --ogg When encoding, generate Ogg FLAC output instead\n"); printf(" of native FLAC. Ogg FLAC streams are FLAC\n"); printf(" streams wrapped in an Ogg transport layer. The\n"); printf(" resulting file should have an '.ogg' extension\n"); printf(" and will still be decodable by flac. When\n"); printf(" decoding, force the input to be treated as\n"); printf(" Ogg FLAC. This is useful when piping input\n"); printf(" from stdin or when the filename does not end in\n"); printf(" '.ogg'.\n"); printf(" --serial-number Serial number to use for the FLAC stream. When\n"); printf(" encoding and no serial number is given, flac\n"); printf(" uses '0'. When decoding and no number is\n"); printf(" given, flac uses the serial number of the first\n"); printf(" page.\n"); #endif printf("analysis options:\n"); printf(" --residual-text Include residual signal in text output. This\n"); printf(" will make the file very big, much larger than\n"); printf(" even the decoded file.\n"); printf(" --residual-gnuplot Generate gnuplot files of residual distribution\n"); printf(" of each subframe\n"); printf("decoding options:\n"); printf(" -F, --decode-through-errors By default flac stops decoding with an error\n"); printf(" and removes the partially decoded file if it\n"); printf(" encounters a bitstream error. With -F, errors\n"); printf(" are still printed but flac will continue\n"); printf(" decoding to completion. Note that errors may\n"); printf(" cause the decoded audio to be missing some\n"); printf(" samples or have silent sections.\n"); printf(" --cue=[#.#][-[#.#]] Set the beginning and ending cuepoints to\n"); printf(" decode. The optional first #.# is the track and\n"); printf(" index point at which decoding will start; the\n"); printf(" default is the beginning of the stream. The\n"); printf(" optional second #.# is the track and index point\n"); printf(" at which decoding will end; the default is the\n"); printf(" end of the stream. If the seekpoint does not\n"); printf(" exist, the closest one before it (for the start\n"); printf(" point) or after it (for the end point) will be\n"); printf(" used. The cuepoints are merely translated into\n"); printf(" sample numbers then used as --skip and --until.\n"); printf("encoding options:\n"); printf(" -V, --verify Verify a correct encoding by decoding the\n"); printf(" output in parallel and comparing to the\n"); printf(" original\n"); printf(" --lax Allow encoder to generate non-Subset files\n"); printf(" --sector-align Align encoding of multiple CD format WAVE files\n"); printf(" on sector boundaries.\n"); printf(" --replay-gain Calculate ReplayGain values and store in Vorbis\n"); printf(" comments. Title gains/peaks will be computed\n"); printf(" for each file, and an album gain/peak will be\n"); printf(" computed for all files. All input files must\n"); printf(" have the same resolution, sample rate, and\n"); printf(" number of channels. The sample rate must be\n"); printf(" one of 8, 11.025, 12, 16, 22.05, 24, 32, 44.1,\n"); printf(" or 48 kHz. NOTE: this option may also leave a\n"); printf(" few extra bytes in the PADDING block.\n"); printf(" --cuesheet=FILENAME Import the given cuesheet file and store it in\n"); printf(" a CUESHEET metadata block. This option may only\n"); printf(" be used when encoding a single file. A\n"); printf(" seekpoint will be added for each index point in\n"); printf(" the cuesheet to the SEEKTABLE unless\n"); printf(" --no-cued-seekpoints is specified.\n"); printf(" -T, --tag=FIELD=VALUE Add a Vorbis comment. Make sure to quote the\n"); printf(" comment if necessary. This option may appear\n"); printf(" more than once to add several comments. NOTE:\n"); printf(" all tags will be added to all encoded files.\n"); printf(" -S, --seekpoint={#|X|#x|#s} Include a point or points in a SEEKTABLE\n"); printf(" # : a specific sample number for a seek point\n"); printf(" X : a placeholder point (always goes at the end of the SEEKTABLE)\n"); printf(" #x : # evenly spaced seekpoints, the first being at sample 0\n"); printf(" #s : a seekpoint every # seconds; # does not have to be a whole number\n"); printf(" You may use many -S options; the resulting SEEKTABLE will be the unique-\n"); printf(" ified union of all such values.\n"); printf(" With no -S options, flac defaults to '-S 10s'. Use -S- for no SEEKTABLE.\n"); printf(" Note: -S #x and -S #s will not work if the encoder can't determine the\n"); printf(" input size before starting.\n"); printf(" Note: if you use -S # and # is >= samples in the input, there will be\n"); printf(" either no seek point entered (if the input size is determinable\n"); printf(" before encoding starts) or a placeholder point (if input size is not\n"); printf(" determinable)\n"); printf(" -P, --padding=# Tell the encoder to write a PADDING metadata\n"); printf(" block of the given length (in bytes) after the\n"); printf(" STREAMINFO block. This is useful if you plan\n"); printf(" to tag the file later with an APPLICATION\n"); printf(" block; instead of having to rewrite the entire\n"); printf(" file later just to insert your block, you can\n"); printf(" write directly over the PADDING block. Note\n"); printf(" that the total length of the PADDING block will\n"); printf(" be 4 bytes longer than the length given because\n"); printf(" of the 4 metadata block header bytes. You can\n"); printf(" force no PADDING block at all to be written with\n"); printf(" --no-padding. The encoder writes a PADDING\n"); printf(" block of 4096 bytes by default.\n"); printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n"); printf(" 1152 for -l 0, else 4608; must be one of 192,\n"); printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n"); printf(" 4096, 8192, 16384, or 32768 (unless --lax is\n"); printf(" used)\n"); printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 2,2\n"); printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 2,2\n"); printf(" -2, --compression-level-2 Synonymous with -l 0 -b 1152 -m -r 3\n"); printf(" -3, --compression-level-3 Synonymous with -l 6 -b 4608 -r 3,3\n"); printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4608 -M -r 3,3\n"); printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4608 -m -r 3,3\n"); printf(" -5 is the default setting\n"); printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4608 -m -r 4\n"); printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4608 -m -e -r 6\n"); printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4608 -m -e -r 6\n"); printf(" -m, --mid-side Try mid-side coding for each frame\n"); printf(" (stereo only)\n"); printf(" -M, --adaptive-mid-side Adaptive mid-side coding for all frames\n"); printf(" (stereo only)\n"); printf(" -e, --exhaustive-model-search Do exhaustive model search (expensive!)\n"); printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors\n"); printf(" -p, --qlp-coeff-precision-search Do exhaustive search of LP coefficient\n"); printf(" quantization (expensive!); overrides -q;\n"); printf(" does nothing if using -l 0\n"); printf(" -q, --qlp-coeff-precision=# Specify precision in bits of quantized\n"); printf(" linear-predictor coefficients; 0 => let\n"); printf(" encoder decide (the minimun is %u, the\n", FLAC__MIN_QLP_COEFF_PRECISION); printf(" default is -q 0)\n"); printf(" -r, --rice-partition-order=[#,]# Set [min,]max residual partition order\n"); printf(" (# is 0..16; min defaults to 0; the\n"); printf(" default is -r 0; above 4 doesn't usually\n"); printf(" help much)\n"); printf("format options:\n"); printf(" --endian={big|little} Set byte order for samples\n"); printf(" --channels=# Number of channels\n"); printf(" --bps=# Number of bits per sample\n"); printf(" --sample-rate=# Sample rate in Hz\n"); printf(" --sign={signed|unsigned} Sign of samples (the default is signed)\n"); printf(" --force-aiff-format Force the decoder to output AIFF format. This\n"); printf(" option is not needed if the output filename (as\n"); printf(" set by -o) ends with .aif or .aiff; this option\n"); printf(" has no effect when encoding since input AIFF is\n"); printf(" auto-detected.\n"); printf(" --force-raw-format Force input (when encoding) or output (when\n"); printf(" decoding) to be treated as raw samples\n"); printf("negative options:\n"); printf(" --no-adaptive-mid-side\n"); printf(" --no-decode-through-errors\n"); printf(" --no-delete-input-file\n"); printf(" --no-exhaustive-model-search\n"); printf(" --no-lax\n"); printf(" --no-mid-side\n"); #ifdef FLAC__HAS_OGG printf(" --no-ogg\n"); #endif printf(" --no-padding\n"); printf(" --no-qlp-coeff-prec-search\n"); printf(" --no-residual-gnuplot\n"); printf(" --no-residual-text\n"); printf(" --no-sector-align\n"); printf(" --no-seektable\n"); printf(" --no-silent\n"); printf(" --no-force\n"); printf(" --no-verify\n"); } void format_mistake(const char *infilename, const char *wrong, const char *right) { flac__utils_printf(stderr, 1, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, wrong, right); } int encode_file(const char *infilename, FLAC__bool is_first_file, FLAC__bool is_last_file) { FILE *encode_infile; FLAC__byte lookahead[12]; unsigned lookahead_length = 0; FileFormat fmt= RAW; int retval; long infilesize; encode_options_t common_options; const char *outfilename = get_encoded_outfilename(infilename); if(0 == outfilename) { flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename); return 1; } /* * Error if output file already exists (and -f not used). * Use grabbag__file_get_filesize() as a cheap way to check. */ if(!option_values.test_only && !option_values.force_file_overwrite && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) { flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename); return 1; } if(0 == strcmp(infilename, "-")) { infilesize = -1; encode_infile = grabbag__file_get_binary_stdin(); } else { infilesize = grabbag__file_get_filesize(infilename); if(0 == (encode_infile = fopen(infilename, "rb"))) { flac__utils_printf(stderr, 1, "ERROR: can't open input file %s\n", infilename); return 1; } } if(!option_values.force_raw_format) { /* first set format based on name */ if(strlen(infilename) >= 4 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".wav")) fmt= WAV; else if(strlen(infilename) >= 4 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".aif")) fmt= AIF; else if(strlen(infilename) >= 5 && 0 == strcasecmp(infilename+(strlen(infilename)-5), ".aiff")) fmt= AIF; /* attempt to guess the file type based on the first 12 bytes */ if((lookahead_length = fread(lookahead, 1, 12, encode_infile)) < 12) { if(fmt != RAW) format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw"); fmt= RAW; } else { if(!strncmp((const char *)lookahead, "RIFF", 4) && !strncmp((const char *)lookahead+8, "WAVE", 4)) fmt= WAV; else if(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFF", 4)) fmt= AIF; else { if(fmt != RAW) format_mistake(infilename, fmt == AIF ? "AIFF" : "WAVE", "raw"); fmt= RAW; } } } if(option_values.sector_align && fmt == RAW && infilesize < 0) { flac__utils_printf(stderr, 1, "ERROR: can't --sector-align when the input size is unknown\n"); return 1; } if(fmt == RAW) { 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) return usage_error("ERROR: for encoding a raw file you must specify a value for --endian, --sign, --channels, --bps, and --sample-rate\n"); } if(encode_infile == stdin || option_values.force_to_stdout) { if(option_values.replay_gain) return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n"); } if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative) return usage_error("ERROR: invalid value for --skip\n"); 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 */ return usage_error("ERROR: invalid value for --until\n"); /* if there is no "--until" we want to default to "--until=-0" */ if(0 == option_values.until_specification) common_options.until_specification.is_relative = true; common_options.verify = option_values.verify; #ifdef FLAC__HAS_OGG common_options.use_ogg = option_values.use_ogg; /* set a random serial number if one has not yet been specified */ if(!option_values.has_serial_number) { srand(time(0)); option_values.serial_number = rand(); option_values.has_serial_number = true; } common_options.serial_number = option_values.serial_number++; #endif common_options.lax = option_values.lax; common_options.do_mid_side = option_values.do_mid_side; common_options.loose_mid_side = option_values.loose_mid_side; common_options.do_exhaustive_model_search = option_values.do_exhaustive_model_search; common_options.do_escape_coding = option_values.do_escape_coding; common_options.do_qlp_coeff_prec_search = option_values.do_qlp_coeff_prec_search; common_options.min_residual_partition_order = option_values.min_residual_partition_order; common_options.max_residual_partition_order = option_values.max_residual_partition_order; common_options.rice_parameter_search_dist = option_values.rice_parameter_search_dist; common_options.max_lpc_order = option_values.max_lpc_order; common_options.blocksize = (unsigned)option_values.blocksize; common_options.qlp_coeff_precision = option_values.qlp_coeff_precision; common_options.padding = option_values.padding; common_options.requested_seek_points = option_values.requested_seek_points; common_options.num_requested_seek_points = option_values.num_requested_seek_points; common_options.cuesheet_filename = option_values.cuesheet_filename; common_options.cued_seekpoints = option_values.cued_seekpoints; common_options.is_first_file = is_first_file; common_options.is_last_file = is_last_file; common_options.align_reservoir = align_reservoir; common_options.align_reservoir_samples = &align_reservoir_samples; common_options.replay_gain = option_values.replay_gain; common_options.sector_align = option_values.sector_align; common_options.vorbis_comment = option_values.vorbis_comment; common_options.debug.disable_constant_subframes = option_values.debug.disable_constant_subframes; common_options.debug.disable_fixed_subframes = option_values.debug.disable_fixed_subframes; common_options.debug.disable_verbatim_subframes = option_values.debug.disable_verbatim_subframes; if(fmt == RAW) { raw_encode_options_t options; options.common = common_options; options.is_big_endian = option_values.format_is_big_endian; options.is_unsigned_samples = option_values.format_is_unsigned_samples; options.channels = option_values.format_channels; options.bps = option_values.format_bps; options.sample_rate = option_values.format_sample_rate; retval = flac__encode_raw(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options); } else { wav_encode_options_t options; options.common = common_options; if(fmt == AIF) retval = flac__encode_aif(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options); else retval = flac__encode_wav(encode_infile, infilesize, infilename, outfilename, lookahead, lookahead_length, options); } if(retval == 0 && strcmp(infilename, "-")) { if(strcmp(outfilename, "-")) { if(option_values.replay_gain) { float title_gain, title_peak; const char *error; grabbag__replaygain_get_title(&title_gain, &title_peak); if(0 != (error = grabbag__replaygain_store_to_file_title(outfilename, title_gain, title_peak, /*preserve_modtime=*/true))) { flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain title tags\n", outfilename); } } grabbag__file_copy_metadata(infilename, outfilename); } if(option_values.delete_input) unlink(infilename); } return retval; } int decode_file(const char *infilename) { int retval; FLAC__bool treat_as_ogg = false; decode_options_t common_options; const char *outfilename = get_decoded_outfilename(infilename); if(0 == outfilename) { flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename); return 1; } /* * Error if output file already exists (and -f not used). * Use grabbag__file_get_filesize() as a cheap way to check. */ if(!option_values.test_only && !option_values.force_file_overwrite && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) { flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename); return 1; } if(!option_values.test_only && !option_values.analyze) { if(option_values.force_raw_format && (option_values.format_is_big_endian < 0 || option_values.format_is_unsigned_samples < 0)) return usage_error("ERROR: for decoding to a raw file you must specify a value for --endian and --sign\n"); } if(option_values.use_ogg) treat_as_ogg = true; else if(strlen(infilename) >= 4 && 0 == strcasecmp(infilename+(strlen(infilename)-4), ".ogg")) treat_as_ogg = true; else treat_as_ogg = false; #ifndef FLAC__HAS_OGG if(treat_as_ogg) { flac__utils_printf(stderr, 1, "%s: Ogg support has not been built into this copy of flac\n", infilename); return 1; } #endif if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative) return usage_error("ERROR: invalid value for --skip\n"); 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 */ return usage_error("ERROR: invalid value for --until\n"); /* if there is no "--until" we want to default to "--until=-0" */ if(0 == option_values.until_specification) common_options.until_specification.is_relative = true; if(option_values.cue_specification) { if(!flac__utils_parse_cue_specification(option_values.cue_specification, &common_options.cue_specification)) return usage_error("ERROR: invalid value for --cue\n"); common_options.has_cue_specification = true; } else common_options.has_cue_specification = false; common_options.continue_through_decode_errors = option_values.continue_through_decode_errors; common_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec; #ifdef FLAC__HAS_OGG common_options.is_ogg = treat_as_ogg; common_options.use_first_serial_number = !option_values.has_serial_number; common_options.serial_number = option_values.serial_number; #endif if(!option_values.force_raw_format) { wav_decode_options_t options; options.common = common_options; if( option_values.force_aiff_format || (strlen(outfilename) >= 4 && 0 == strcasecmp(outfilename+(strlen(outfilename)-4), ".aif")) || (strlen(outfilename) >= 5 && 0 == strcasecmp(outfilename+(strlen(outfilename)-5), ".aiff")) ) retval = flac__decode_aiff(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options); else retval = flac__decode_wav(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options); } else { raw_decode_options_t options; options.common = common_options; options.is_big_endian = option_values.format_is_big_endian; options.is_unsigned_samples = option_values.format_is_unsigned_samples; retval = flac__decode_raw(infilename, option_values.test_only? 0 : outfilename, option_values.analyze, option_values.aopts, options); } if(retval == 0 && strcmp(infilename, "-")) { if(strcmp(outfilename, "-")) grabbag__file_copy_metadata(infilename, outfilename); if(option_values.delete_input && !option_values.test_only && !option_values.analyze) unlink(infilename); } return retval; } const char *get_encoded_outfilename(const char *infilename) { const char *suffix = (option_values.use_ogg? ".ogg" : ".flac"); return get_outfilename(infilename, suffix); } const char *get_decoded_outfilename(const char *infilename) { const char *suffix; if(option_values.analyze) { suffix = ".ana"; } else if(option_values.force_raw_format) { suffix = ".raw"; } else if(option_values.force_aiff_format) { suffix = ".aiff"; } else { suffix = ".wav"; } return get_outfilename(infilename, suffix); } const char *get_outfilename(const char *infilename, const char *suffix) { if(0 == option_values.cmdline_forced_outfilename) { static char buffer[4096]; /* @@@ bad MAGIC NUMBER */ if(0 == strcmp(infilename, "-") || option_values.force_to_stdout) { strcpy(buffer, "-"); } else { char *p; if (flac__strlcpy(buffer, option_values.output_prefix? option_values.output_prefix : "", sizeof buffer) >= sizeof buffer) return 0; if (flac__strlcat(buffer, infilename, sizeof buffer) >= sizeof buffer) return 0; if(0 == (p = strrchr(buffer, '.'))) { if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer) return 0; } else { if(0 == strcmp(p, suffix)) { *p = '\0'; if (flac__strlcat(buffer, "_new", sizeof buffer) >= sizeof buffer) return 0; } else { *p = '\0'; } if (flac__strlcat(buffer, suffix, sizeof buffer) >= sizeof buffer) return 0; } } return buffer; } else return option_values.cmdline_forced_outfilename; } void die(const char *message) { FLAC__ASSERT(0 != message); flac__utils_printf(stderr, 1, "ERROR: %s\n", message); exit(1); } char *local_strdup(const char *source) { char *ret; FLAC__ASSERT(0 != source); if(0 == (ret = strdup(source))) die("out of memory during strdup()"); return ret; }