| /* flac - Command-line FLAC encoder/decoder |
| * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 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. |
| */ |
| |
| #if HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| #include <ctype.h> |
| #include <errno.h> |
| #include <locale.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <time.h> |
| #include <unistd.h> |
| |
| #if !defined _MSC_VER && !defined __MINGW32__ |
| /* unlink is in stdio.h in VC++ */ |
| #include <unistd.h> /* for unlink() */ |
| #endif |
| #include "FLAC/all.h" |
| #include "share/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 defined _MSC_VER || defined __MINGW32__ || defined __EMX__ |
| #define FLAC__STRCASECMP stricmp |
| #else |
| #define FLAC__STRCASECMP strcasecmp |
| #endif |
| |
| #if 0 |
| /*[JEC] was:#if HAVE_GETOPT_LONG*/ |
| /*[JEC] see flac/include/share/getopt.h as to why the change */ |
| # include <getopt.h> |
| #else |
| # include "share/getopt.h" |
| #endif |
| |
| typedef enum { RAW, WAV, AIF, FLAC, OGGFLAC } FileFormat; |
| |
| static int do_it(void); |
| |
| static FLAC__bool init_options(void); |
| 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(void); |
| static void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value); |
| static void add_compression_setting_string(compression_setting_type_t type, const char *value); |
| static void add_compression_setting_unsigned(compression_setting_type_t type, unsigned value); |
| |
| static int usage_error(const char *message, ...); |
| static void short_usage(void); |
| static void show_version(void); |
| static void show_help(void); |
| static void show_explain(void); |
| static void format_mistake(const char *infilename, FileFormat wrong, FileFormat 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 int conditional_fclose(FILE *f); |
| static char *local_strdup(const char *source); |
| #ifdef _MSC_VER |
| /* There's no strtoll() in MSVC6 so we just write a specialized one */ |
| static FLAC__int64 local__strtoll(const char *src, char **endptr); |
| #endif |
| |
| |
| /* |
| * 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 }, |
| { "warnings-as-errors", share__no_argument, 0, 'w' }, |
| { "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 }, |
| { "channel-map" , share__required_argument, 0, 0 }, /* undocumented */ |
| |
| /* |
| * 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 }, |
| { "picture" , share__required_argument, 0, 0 }, |
| { "tag" , share__required_argument, 0, 'T' }, |
| { "tag-from-file" , share__required_argument, 0, 0 }, |
| { "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' }, |
| { "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 }, |
| { "ignore-chunk-sizes" , share__no_argument, 0, 0 }, |
| { "sector-align" , share__no_argument, 0, 0 }, |
| { "seekpoint" , share__required_argument, 0, 'S' }, |
| { "padding" , share__required_argument, 0, 'P' }, |
| #if 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' }, |
| { "apodization" , share__required_argument, 0, 'A' }, |
| { "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 }, |
| { "input-size" , 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-ignore-chunk-sizes" , share__no_argument, 0, 0 }, |
| { "no-sector-align" , share__no_argument, 0, 0 }, |
| { "no-utf8-convert" , share__no_argument, 0, 0 }, |
| { "no-lax" , share__no_argument, 0, 0 }, |
| #if 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-warnings-as-errors" , 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 }, |
| { "no-md5-sum" , 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 treat_warnings_as_errors; |
| 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 force_to_stdout; |
| FLAC__bool force_aiff_format; |
| FLAC__bool force_raw_format; |
| FLAC__bool delete_input; |
| FLAC__bool replay_gain; |
| FLAC__bool ignore_chunk_sizes; |
| FLAC__bool sector_align; |
| FLAC__bool utf8_convert; /* true by default, to convert tag strings from locale to utf-8, false if --no-utf8-convert used */ |
| const char *cmdline_forced_outfilename; |
| const char *output_prefix; |
| analysis_options aopts; |
| int padding; /* -1 => no -P options were given, 0 => -P- was given, else -P value */ |
| size_t num_compression_settings; |
| compression_setting_t compression_settings[64]; /* bad MAGIC NUMBER but buffer overflow is checked */ |
| 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; |
| off_t format_input_size; |
| char requested_seek_points[5000]; /* 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; |
| FLAC__bool channel_map_none; /* --channel-map=none specified, eventually will expand to take actual channel map */ |
| |
| unsigned num_files; |
| char **filenames; |
| |
| FLAC__StreamMetadata *vorbis_comment; |
| FLAC__StreamMetadata *pictures[64]; |
| unsigned num_pictures; |
| |
| struct { |
| FLAC__bool disable_constant_subframes; |
| FLAC__bool disable_fixed_subframes; |
| FLAC__bool disable_verbatim_subframes; |
| FLAC__bool do_md5; |
| } 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; |
| |
| #ifdef __EMX__ |
| _response(&argc, &argv); |
| _wildcard(&argc, &argv); |
| #endif |
| |
| srand((unsigned)time(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(void) |
| { |
| 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(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.analyze) |
| return usage_error("ERROR: analysis mode (-a/--analyze) and test mode (-t/--test) cannot be used together\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"); |
| |
| 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.ignore_chunk_sizes) { |
| if(option_values.mode_decode) |
| return usage_error("ERROR: --ignore-chunk-sizes only allowed for encoding\n"); |
| if(0 != option_values.sector_align) |
| return usage_error("ERROR: --ignore-chunk-sizes not allowed with --sector-align\n"); |
| if(0 != option_values.until_specification) |
| return usage_error("ERROR: --ignore-chunk-sizes not allowed with --until\n"); |
| if(0 != option_values.cue_specification) |
| return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cue\n"); |
| if(0 != option_values.cuesheet_filename) |
| return usage_error("ERROR: --ignore-chunk-sizes not allowed with --cuesheet\n"); |
| } |
| 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 && option_values.padding < GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED) || |
| (option_values.padding < 0 && FLAC_ENCODE__DEFAULT_PADDING < GRABBAG__REPLAYGAIN_MAX_TAG_SPACE_REQUIRED) |
| ) { |
| 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) 2000,2001,2002,2003,2004,2005,2006,2007 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) { |
| 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.ignore_chunk_sizes) |
| flac__utils_printf(stderr, 1, "INFO: Make sure you know what you're doing when using --ignore-chunk-sizes.\n Improper use can cause flac to encode non-audio data as audio.\n"); |
| |
| 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 (%s)\n", outfilename, error); |
| retval = 1; |
| } |
| } |
| } |
| } |
| } |
| |
| return retval; |
| } |
| |
| FLAC__bool init_options(void) |
| { |
| option_values.show_help = false; |
| option_values.show_explain = false; |
| option_values.mode_decode = false; |
| option_values.verify = false; |
| option_values.treat_warnings_as_errors = 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.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.ignore_chunk_sizes = false; |
| option_values.sector_align = false; |
| option_values.utf8_convert = true; |
| 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 = -1; |
| option_values.num_compression_settings = 1; |
| option_values.compression_settings[0].type = CST_COMPRESSION_LEVEL; |
| option_values.compression_settings[0].value.t_unsigned = 5; |
| 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.format_input_size = (off_t)(-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.channel_map_none = false; |
| |
| 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.num_pictures = 0; |
| |
| option_values.debug.disable_constant_subframes = false; |
| option_values.debug.disable_fixed_subframes = false; |
| option_values.debug.disable_verbatim_subframes = false; |
| option_values.debug.do_md5 = true; |
| |
| 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 = "0123456789aA:b:cdefFhHl:mMo:pP:q:r:sS:tT:vVw"; |
| |
| 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 = (char**)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) |
| { |
| const char *violation; |
| char *p; |
| int i; |
| |
| 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, "input-size")) { |
| FLAC__ASSERT(0 != option_argument); |
| { |
| char *end; |
| #ifdef _MSC_VER |
| FLAC__int64 i; |
| i = local__strtoll(option_argument, &end); |
| #else |
| long long i; |
| i = strtoll(option_argument, &end, 10); |
| #endif |
| if(0 == strlen(option_argument) || *end) |
| return usage_error("ERROR: --%s must be a number\n", long_option); |
| option_values.format_input_size = (off_t)i; |
| if(option_values.format_input_size != i) /* check if off_t is smaller than long long */ |
| return usage_error("ERROR: --%s too large; this build of flac does not support filesizes over 2GB\n", long_option); |
| if(option_values.format_input_size <= 0) |
| return usage_error("ERROR: --%s must be > 0\n", long_option); |
| } |
| } |
| 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, "channel-map")) { |
| if (0 == option_argument || strcmp(option_argument, "none")) |
| return usage_error("ERROR: only --channel-map=none currently supported\n"); |
| option_values.channel_map_none = true; |
| } |
| else if(0 == strcmp(long_option, "cuesheet")) { |
| FLAC__ASSERT(0 != option_argument); |
| option_values.cuesheet_filename = option_argument; |
| } |
| else if(0 == strcmp(long_option, "picture")) { |
| const unsigned max_pictures = sizeof(option_values.pictures)/sizeof(option_values.pictures[0]); |
| FLAC__ASSERT(0 != option_argument); |
| if(option_values.num_pictures >= max_pictures) |
| return usage_error("ERROR: too many --picture arguments, only %u allowed\n", max_pictures); |
| if(0 == (option_values.pictures[option_values.num_pictures] = grabbag__picture_parse_specification(option_argument, &violation))) |
| return usage_error("ERROR: (--picture) %s\n", violation); |
| option_values.num_pictures++; |
| } |
| else if(0 == strcmp(long_option, "tag-from-file")) { |
| FLAC__ASSERT(0 != option_argument); |
| if(!flac__vorbiscomment_add(option_values.vorbis_comment, option_argument, /*value_from_file=*/true, /*raw=*/!option_values.utf8_convert, &violation)) |
| return usage_error("ERROR: (--tag-from-file) %s\n", violation); |
| } |
| else if(0 == strcmp(long_option, "no-cued-seekpoints")) { |
| option_values.cued_seekpoints = false; |
| } |
| 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, "ignore-chunk-sizes")) { |
| option_values.ignore_chunk_sizes = true; |
| } |
| else if(0 == strcmp(long_option, "sector-align")) { |
| option_values.sector_align = true; |
| } |
| #if 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-ignore-chunk-sizes")) { |
| option_values.ignore_chunk_sizes = false; |
| } |
| else if(0 == strcmp(long_option, "no-sector-align")) { |
| option_values.sector_align = false; |
| } |
| else if(0 == strcmp(long_option, "no-utf8-convert")) { |
| option_values.utf8_convert = false; |
| } |
| else if(0 == strcmp(long_option, "no-lax")) { |
| option_values.lax = false; |
| } |
| #if 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")) { |
| add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, false); |
| } |
| else if(0 == strcmp(long_option, "no-mid-side")) { |
| add_compression_setting_bool(CST_DO_MID_SIDE, false); |
| add_compression_setting_bool(CST_LOOSE_MID_SIDE, false); |
| } |
| else if(0 == strcmp(long_option, "no-adaptive-mid-side")) { |
| add_compression_setting_bool(CST_DO_MID_SIDE, false); |
| add_compression_setting_bool(CST_LOOSE_MID_SIDE, false); |
| } |
| else if(0 == strcmp(long_option, "no-qlp-coeff-prec-search")) { |
| add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, false); |
| } |
| else if(0 == strcmp(long_option, "no-padding")) { |
| option_values.padding = 0; |
| } |
| else if(0 == strcmp(long_option, "no-verify")) { |
| option_values.verify = false; |
| } |
| else if(0 == strcmp(long_option, "no-warnings-as-errors")) { |
| option_values.treat_warnings_as_errors = 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 if(0 == strcmp(long_option, "no-md5-sum")) { |
| option_values.debug.do_md5 = false; |
| } |
| } |
| else { |
| 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, /*value_from_file=*/false, /*raw=*/!option_values.utf8_convert, &violation)) |
| return usage_error("ERROR: (-T/--tag) %s\n", violation); |
| break; |
| case '0': |
| case '1': |
| case '2': |
| case '3': |
| case '4': |
| case '5': |
| case '6': |
| case '7': |
| case '8': |
| add_compression_setting_unsigned(CST_COMPRESSION_LEVEL, short_option-'0'); |
| break; |
| case '9': |
| return usage_error("ERROR: compression level '9' is reserved\n"); |
| case 'V': |
| option_values.verify = true; |
| break; |
| case 'w': |
| option_values.treat_warnings_as_errors = true; |
| break; |
| case 'S': |
| FLAC__ASSERT(0 != option_argument); |
| if(0 == strcmp(option_argument, "-")) { |
| option_values.num_requested_seek_points = 0; |
| option_values.requested_seek_points[0] = '\0'; |
| } |
| else { |
| 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 -%c must be >= 0; for no padding use -%c-\n", short_option, short_option); |
| break; |
| case 'b': |
| FLAC__ASSERT(0 != option_argument); |
| i = atoi(option_argument); |
| if((i < (int)FLAC__MIN_BLOCK_SIZE || i > (int)FLAC__MAX_BLOCK_SIZE)) |
| return usage_error("ERROR: invalid blocksize (-%c) '%d', must be >= %u and <= %u\n", short_option, i, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE); |
| add_compression_setting_unsigned(CST_BLOCKSIZE, (unsigned)i); |
| break; |
| case 'e': |
| add_compression_setting_bool(CST_DO_EXHAUSTIVE_MODEL_SEARCH, true); |
| break; |
| case 'E': |
| add_compression_setting_bool(CST_DO_ESCAPE_CODING, true); |
| break; |
| case 'l': |
| FLAC__ASSERT(0 != option_argument); |
| i = atoi(option_argument); |
| if((i < 0 || i > (int)FLAC__MAX_LPC_ORDER)) |
| return usage_error("ERROR: invalid LPC order (-%c) '%d', must be >= %u and <= %u\n", short_option, i, 0, FLAC__MAX_LPC_ORDER); |
| add_compression_setting_unsigned(CST_MAX_LPC_ORDER, (unsigned)i); |
| break; |
| case 'A': |
| FLAC__ASSERT(0 != option_argument); |
| add_compression_setting_string(CST_APODIZATION, option_argument); |
| break; |
| case 'm': |
| add_compression_setting_bool(CST_DO_MID_SIDE, true); |
| add_compression_setting_bool(CST_LOOSE_MID_SIDE, false); |
| break; |
| case 'M': |
| add_compression_setting_bool(CST_DO_MID_SIDE, true); |
| add_compression_setting_bool(CST_LOOSE_MID_SIDE, true); |
| break; |
| case 'p': |
| add_compression_setting_bool(CST_DO_QLP_COEFF_PREC_SEARCH, true); |
| break; |
| case 'q': |
| FLAC__ASSERT(0 != option_argument); |
| i = atoi(option_argument); |
| if(i < 0 || (i > 0 && (i < (int)FLAC__MIN_QLP_COEFF_PRECISION || i > (int)FLAC__MAX_QLP_COEFF_PRECISION))) |
| return usage_error("ERROR: invalid value '%d' for qlp coeff precision (-%c), must be 0 or between %u and %u, inclusive\n", i, short_option, FLAC__MIN_QLP_COEFF_PRECISION, FLAC__MAX_QLP_COEFF_PRECISION); |
| add_compression_setting_unsigned(CST_QLP_COEFF_PRECISION, (unsigned)i); |
| break; |
| case 'r': |
| FLAC__ASSERT(0 != option_argument); |
| p = strchr(option_argument, ','); |
| if(0 == p) { |
| add_compression_setting_unsigned(CST_MIN_RESIDUAL_PARTITION_ORDER, 0); |
| i = atoi(option_argument); |
| if(i < 0) |
| return usage_error("ERROR: invalid value '%d' for residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER); |
| add_compression_setting_unsigned(CST_MAX_RESIDUAL_PARTITION_ORDER, (unsigned)i); |
| } |
| else { |
| i = atoi(option_argument); |
| if(i < 0) |
| return usage_error("ERROR: invalid value '%d' for min residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER); |
| add_compression_setting_unsigned(CST_MIN_RESIDUAL_PARTITION_ORDER, (unsigned)i); |
| i = atoi(++p); |
| if(i < 0) |
| return usage_error("ERROR: invalid value '%d' for max residual partition order (-%c), must be between 0 and %u, inclusive\n", i, short_option, FLAC__MAX_RICE_PARTITION_ORDER); |
| add_compression_setting_unsigned(CST_MAX_RESIDUAL_PARTITION_ORDER, (unsigned)i); |
| } |
| break; |
| case 'R': |
| i = atoi(option_argument); |
| if(i < 0) |
| return usage_error("ERROR: invalid value '%d' for Rice parameter search distance (-%c), must be >= 0\n", i, short_option); |
| add_compression_setting_unsigned(CST_RICE_PARAMETER_SEARCH_DIST, (unsigned)i); |
| break; |
| default: |
| FLAC__ASSERT(0); |
| } |
| } |
| |
| return 0; |
| } |
| |
| void free_options(void) |
| { |
| 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); |
| for(i = 0; i < option_values.num_pictures; i++) |
| FLAC__metadata_object_delete(option_values.pictures[i]); |
| } |
| |
| void add_compression_setting_bool(compression_setting_type_t type, FLAC__bool value) |
| { |
| if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0])) |
| die("too many compression settings"); |
| option_values.compression_settings[option_values.num_compression_settings].type = type; |
| option_values.compression_settings[option_values.num_compression_settings].value.t_bool = value; |
| option_values.num_compression_settings++; |
| } |
| |
| void add_compression_setting_string(compression_setting_type_t type, const char *value) |
| { |
| if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0])) |
| die("too many compression settings"); |
| option_values.compression_settings[option_values.num_compression_settings].type = type; |
| option_values.compression_settings[option_values.num_compression_settings].value.t_string = value; |
| option_values.num_compression_settings++; |
| } |
| |
| void add_compression_setting_unsigned(compression_setting_type_t type, unsigned value) |
| { |
| if(option_values.num_compression_settings >= sizeof(option_values.compression_settings)/sizeof(option_values.compression_settings[0])) |
| die("too many compression settings"); |
| option_values.compression_settings[option_values.num_compression_settings].type = type; |
| option_values.compression_settings[option_values.num_compression_settings].value.t_unsigned = value; |
| option_values.num_compression_settings++; |
| } |
| |
| 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(void) |
| { |
| printf("flac %s\n", FLAC__VERSION_STRING); |
| } |
| |
| static void usage_header(void) |
| { |
| printf("===============================================================================\n"); |
| printf("flac - Command-line FLAC encoder/decoder version %s\n", FLAC__VERSION_STRING); |
| printf("Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 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(void) |
| { |
| printf("Usage:\n"); |
| printf("\n"); |
| printf(" Encoding: flac [<general-options>] [<encoding/format-options>] [INPUTFILE [...]]\n"); |
| printf(" Decoding: flac -d [<general-options>] [<format-options>] [FLACFILE [...]]\n"); |
| printf(" Testing: flac -t [<general-options>] [FLACFILE [...]]\n"); |
| printf("Analyzing: flac -a [<general-options>] [<analysis-options>] [FLACFILE [...]]\n"); |
| printf("\n"); |
| } |
| |
| void short_usage(void) |
| { |
| 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(void) |
| { |
| 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(" --no-utf8-convert Do not convert tags from local charset to UTF-8\n"); |
| printf(" -w, --warnings-as-errors Treat all warnings as 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"); |
| #if 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"); |
| #if 0 /*@@@ currently undocumented */ |
| printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files\n"); |
| #endif |
| printf(" --sector-align Align multiple files on sector boundaries\n"); |
| printf(" --replay-gain Calculate ReplayGain & store in FLAC tags\n"); |
| printf(" --cuesheet=FILENAME Import cuesheet and store in CUESHEET block\n"); |
| printf(" --picture=SPECIFICATION Import picture and store in PICTURE block\n"); |
| printf(" -T, --tag=FIELD=VALUE Add a FLAC tag; may appear multiple times\n"); |
| printf(" --tag-from-file=FIELD=FILENAME Like --tag but gets value from file\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 3\n"); |
| printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\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 4096 -r 4\n"); |
| printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n"); |
| printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n"); |
| printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n"); |
| printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4096 -m -e -r 6\n"); |
| printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -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(" -A, --apodization=\"function\" Window audio data with given the function\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(" --input-size=# Size of the raw input in bytes\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"); |
| #if 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"); |
| #if 0 /*@@@ currently undocumented */ |
| printf(" --no-ignore-chunk-sizes\n"); |
| #endif |
| printf(" --no-sector-align\n"); |
| printf(" --no-seektable\n"); |
| printf(" --no-silent\n"); |
| printf(" --no-force\n"); |
| printf(" --no-verify\n"); |
| printf(" --no-warnings-as-errors\n"); |
| } |
| |
| void show_explain(void) |
| { |
| usage_header(); |
| usage_summary(); |
| printf("For encoding:\n"); |
| printf(" The input file(s) may be a PCM RIFF WAVE file, AIFF (or uncompressed AIFF-C)\n"); |
| printf(" 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(" --no-utf8-convert Do not convert tags from local charset to UTF-8.\n"); |
| printf(" This is useful for scripts, and setting tags in\n"); |
| printf(" situations where the locale is wrong. This\n"); |
| printf(" option must appear before any tag options!\n"); |
| printf(" -w, --warnings-as-errors Treat all warnings as errors\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"); |
| #if 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 a random one. If encoding to multiple files\n"); |
| printf(" the serial number is incremented for each file.\n"); |
| printf(" When decoding and no number is given, flac uses\n"); |
| printf(" the serial number of the first 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 cuepoint 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(" A CD track can always be cued by, for example,\n"); |
| printf(" --cue=9.1-10.1 for track 9, even if the CD has\n"); |
| printf(" no 10th track.\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"); |
| #if 0 /*@@@ currently undocumented */ |
| printf(" --ignore-chunk-sizes Ignore data chunk sizes in WAVE/AIFF files;\n"); |
| printf(" useful when piping data from programs which\n"); |
| printf(" generate bogus data chunk sizes.\n"); |
| #endif |
| 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 them as\n"); |
| printf(" FLAC tags. 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(" --picture=SPECIFICATION Import a picture and store it in a PICTURE block.\n"); |
| printf(" More than one --picture command can be specified.\n"); |
| printf(" The SPECIFICATION can either be a simple filename\n"); |
| printf(" for the picture file, or a complete specification\n"); |
| printf(" whose parts are separated by | characters. Some\n"); |
| printf(" parts may be left empty to invoke default values.\n"); |
| printf(" Using a filename is shorthand for \"||||FILE\".\n"); |
| printf(" The SPECIFICATION format is:\n"); |
| printf(" [TYPE]|[MIME-TYPE]|[DESCRIPTION]|[WIDTHxHEIGHTxDEPTH[/COLORS]]|FILE\n"); |
| printf(" TYPE is optional; it is a number from one of:\n"); |
| printf(" 0: Other\n"); |
| printf(" 1: 32x32 pixels 'file icon' (PNG only)\n"); |
| printf(" 2: Other file icon\n"); |
| printf(" 3: Cover (front)\n"); |
| printf(" 4: Cover (back)\n"); |
| printf(" 5: Leaflet page\n"); |
| printf(" 6: Media (e.g. label side of CD)\n"); |
| printf(" 7: Lead artist/lead performer/soloist\n"); |
| printf(" 8: Artist/performer\n"); |
| printf(" 9: Conductor\n"); |
| printf(" 10: Band/Orchestra\n"); |
| printf(" 11: Composer\n"); |
| printf(" 12: Lyricist/text writer\n"); |
| printf(" 13: Recording Location\n"); |
| printf(" 14: During recording\n"); |
| printf(" 15: During performance\n"); |
| printf(" 16: Movie/video screen capture\n"); |
| printf(" 17: A bright coloured fish\n"); |
| printf(" 18: Illustration\n"); |
| printf(" 19: Band/artist logotype\n"); |
| printf(" 20: Publisher/Studio logotype\n"); |
| printf(" The default is 3 (front cover). There may only be one picture each\n"); |
| printf(" of type 1 and 2 in a file.\n"); |
| printf(" MIME-TYPE is optional; if left blank, it will be detected from the\n"); |
| printf(" file. For best compatibility with players, use pictures with MIME\n"); |
| printf(" type image/jpeg or image/png. The MIME type can also be --> to\n"); |
| printf(" mean that FILE is actually a URL to an image, though this use is\n"); |
| printf(" discouraged.\n"); |
| printf(" DESCRIPTION is optional; the default is an empty string\n"); |
| printf(" The next part specfies the resolution and color information. If\n"); |
| printf(" the MIME-TYPE is image/jpeg, image/png, or image/gif, you can\n"); |
| printf(" usually leave this empty and they can be detected from the file.\n"); |
| printf(" Otherwise, you must specify the width in pixels, height in pixels,\n"); |
| printf(" and color depth in bits-per-pixel. If the image has indexed colors\n"); |
| printf(" you should also specify the number of colors used.\n"); |
| printf(" FILE is the path to the picture file to be imported, or the URL if\n"); |
| printf(" MIME type is -->\n"); |
| printf(" -T, --tag=FIELD=VALUE Add a FLAC tag. 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(" --tag-from-file=FIELD=FILENAME Like --tag, except FILENAME is a file\n"); |
| printf(" whose contents will be read verbatim to set the\n"); |
| printf(" tag value. The contents will be converted to\n"); |
| printf(" UTF-8 from the local charset. This can be used\n"); |
| printf(" to store a cuesheet in a tag (e.g.\n"); |
| printf(" --tag-from-file=\"CUESHEET=image.cue\"). Do not\n"); |
| printf(" try to store binary data in tag fields! Use\n"); |
| printf(" APPLICATION blocks for that.\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 8192 bytes by default, or 65536 bytes\n"); |
| printf(" if the input audio is more than 20 minutes long.\n"); |
| printf(" -b, --blocksize=# Specify the blocksize in samples; the default is\n"); |
| printf(" 1152 for -l 0, else 4096; must be one of 192,\n"); |
| printf(" 576, 1152, 2304, 4608, 256, 512, 1024, 2048,\n"); |
| printf(" 4096 (and 8192 or 16384 if the sample rate is\n"); |
| printf(" >48kHz) for Subset streams.\n"); |
| printf(" -0, --compression-level-0, --fast Synonymous with -l 0 -b 1152 -r 3\n"); |
| printf(" -1, --compression-level-1 Synonymous with -l 0 -b 1152 -M -r 3\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 4096 -r 4\n"); |
| printf(" -4, --compression-level-4 Synonymous with -l 8 -b 4096 -M -r 4\n"); |
| printf(" -5, --compression-level-5 Synonymous with -l 8 -b 4096 -m -r 5\n"); |
| printf(" -5 is the default setting\n"); |
| printf(" -6, --compression-level-6 Synonymous with -l 8 -b 4096 -m -r 6\n"); |
| printf(" -7, --compression-level-7 Synonymous with -l 8 -b 4096 -m -e -r 6\n"); |
| printf(" -8, --compression-level-8, --best Synonymous with -l 12 -b 4096 -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(" -A, --apodization=\"function\" Window audio data with given the function.\n"); |
| printf(" The functions are: bartlett, bartlett_hann,\n"); |
| printf(" blackman, blackman_harris_4term_92db,\n"); |
| printf(" connes, flattop, gauss(STDDEV), hamming,\n"); |
| printf(" hann, kaiser_bessel, nuttall, rectangle,\n"); |
| printf(" triangle, tukey(P), welch. More than one\n"); |
| printf(" may be specified but encoding time is a\n"); |
| printf(" multiple of the number of functions since\n"); |
| printf(" they are each tried in turn. The encoder\n"); |
| printf(" chooses suitable defaults in the absence\n"); |
| printf(" of any -A options.\n"); |
| printf(" -l, --max-lpc-order=# Max LPC order; 0 => only fixed predictors.\n"); |
| printf(" Must be <= 12 for Subset streams if sample\n"); |
| printf(" rate is <=48kHz.\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(" --input-size=# Size of the raw input in bytes. If you are\n"); |
| printf(" encoding raw samples from stdin, you must set\n"); |
| printf(" this option in order to be able to use --skip,\n"); |
| printf(" --until, --cue-sheet, or other options that need\n"); |
| printf(" to know the size of the input beforehand. If\n"); |
| printf(" the size given is greater than what is found in\n"); |
| printf(" the input stream, the encoder will complain\n"); |
| printf(" about an unexpected end-of-file. If the size\n"); |
| printf(" given is less, samples will be truncated.\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"); |
| #if 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"); |
| #if 0 /*@@@ currently undocumented */ |
| printf(" --no-ignore-chunk-sizes\n"); |
| #endif |
| printf(" --no-sector-align\n"); |
| printf(" --no-seektable\n"); |
| printf(" --no-silent\n"); |
| printf(" --no-force\n"); |
| printf(" --no-verify\n"); |
| printf(" --no-warnings-as-errors\n"); |
| } |
| |
| void format_mistake(const char *infilename, FileFormat wrong, FileFormat right) |
| { |
| /* WATCHOUT: indexed by FileFormat */ |
| static const char * const ff[] = { "raw", "WAVE", "AIFF", "FLAC", "Ogg FLAC" }; |
| flac__utils_printf(stderr, 1, "WARNING: %s is not a %s file; treating as a %s file\n", infilename, ff[wrong], ff[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; |
| FLAC__bool is_aifc = false; |
| int retval; |
| off_t infilesize; |
| encode_options_t common_options; |
| const char *outfilename = get_encoded_outfilename(infilename); /* the final name of the encoded file */ |
| /* internal_outfilename is the file we will actually write to; it will be a temporary name if infilename==outfilename */ |
| char *internal_outfilename = 0; /* NULL implies 'use outfilename' */ |
| |
| if(0 == outfilename) { |
| flac__utils_printf(stderr, 1, "ERROR: filename too long: %s", infilename); |
| return 1; |
| } |
| |
| if(0 == strcmp(infilename, "-")) { |
| infilesize = (off_t)(-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: %s\n", infilename, strerror(errno)); |
| return 1; |
| } |
| } |
| |
| if(!option_values.force_raw_format) { |
| /* first set format based on name */ |
| if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".wav")) |
| fmt= WAV; |
| else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".aif")) |
| fmt= AIF; |
| else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".aiff")) |
| fmt= AIF; |
| else if(strlen(infilename) >= 5 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-5), ".flac")) |
| fmt= FLAC; |
| else if(strlen(infilename) >= 4 && 0 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg")) |
| fmt= OGGFLAC; |
| |
| /* 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, RAW); |
| if(option_values.treat_warnings_as_errors) { |
| conditional_fclose(encode_infile); |
| return 1; |
| } |
| } |
| fmt= RAW; |
| } |
| else { |
| if(!strncmp((const char *)lookahead, "ID3", 3)) { |
| flac__utils_printf(stderr, 1, "ERROR: input file %s has an ID3v2 tag\n", infilename); |
| return 1; |
| } |
| 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(!strncmp((const char *)lookahead, "FORM", 4) && !strncmp((const char *)lookahead+8, "AIFC", 4)) { |
| fmt= AIF; |
| is_aifc = true; |
| } |
| else if(!memcmp(lookahead, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING))) |
| fmt= FLAC; |
| /* this could be made more accurate by looking at the first packet */ |
| else if(!memcmp(lookahead, "OggS", 4)) |
| fmt= OGGFLAC; |
| else { |
| if(fmt != RAW) { |
| format_mistake(infilename, fmt, RAW); |
| if(option_values.treat_warnings_as_errors) { |
| conditional_fclose(encode_infile); |
| return 1; |
| } |
| } |
| fmt= RAW; |
| } |
| } |
| } |
| |
| /* |
| * 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 && strcmp(outfilename, "-") && grabbag__file_get_filesize(outfilename) != (off_t)(-1)) { |
| if(fmt == FLAC) { |
| /* need more detailed error message when re-flac'ing to avoid confusing the user */ |
| flac__utils_printf(stderr, 1, |
| "ERROR: output file %s already exists.\n\n" |
| "By default flac encodes files to FLAC format; if you meant to decode this file\n" |
| "from FLAC to something else, use -d. If you meant to re-encode this file from\n" |
| "FLAC to FLAC again, use -f to force writing to the same file, or -o to specify\n" |
| "a different output filename.\n", |
| outfilename |
| ); |
| } |
| else if(fmt == OGGFLAC) { |
| /* need more detailed error message when re-flac'ing to avoid confusing the user */ |
| flac__utils_printf(stderr, 1, |
| "ERROR: output file %s already exists.\n\n" |
| "By default 'flac -ogg' encodes files to Ogg FLAC format; if you meant to decode\n" |
| "this file from Ogg FLAC to something else, use -d. If you meant to re-encode\n" |
| "this file from Ogg FLAC to Ogg FLAC again, use -f to force writing to the same\n" |
| "file, or -o to specify a different output filename.\n", |
| outfilename |
| ); |
| } |
| else |
| flac__utils_printf(stderr, 1, "ERROR: output file %s already exists, use -f to override\n", outfilename); |
| conditional_fclose(encode_infile); |
| return 1; |
| } |
| |
| if(option_values.format_input_size >= 0) { |
| if (fmt != RAW || infilesize >= 0) { |
| flac__utils_printf(stderr, 1, "ERROR: can only use --input-size when encoding raw samples from stdin\n"); |
| conditional_fclose(encode_infile); |
| return 1; |
| } |
| else { |
| infilesize = option_values.format_input_size; |
| } |
| } |
| |
| if(option_values.sector_align && (fmt == FLAC || fmt == OGGFLAC)) { |
| flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input file is FLAC or Ogg FLAC\n"); |
| conditional_fclose(encode_infile); |
| return 1; |
| } |
| if(option_values.sector_align && fmt == RAW && infilesize < 0) { |
| flac__utils_printf(stderr, 1, "ERROR: can't use --sector-align when the input size is unknown\n"); |
| conditional_fclose(encode_infile); |
| 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) { |
| conditional_fclose(encode_infile); |
| 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) { |
| conditional_fclose(encode_infile); |
| return usage_error("ERROR: --replay-gain cannot be used when encoding to stdout\n"); |
| } |
| } |
| if(option_values.replay_gain && option_values.use_ogg) { |
| conditional_fclose(encode_infile); |
| return usage_error("ERROR: --replay-gain cannot be used when encoding to Ogg FLAC yet\n"); |
| } |
| |
| if(!flac__utils_parse_skip_until_specification(option_values.skip_specification, &common_options.skip_specification) || common_options.skip_specification.is_relative) { |
| conditional_fclose(encode_infile); |
| 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 */ |
| conditional_fclose(encode_infile); |
| 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; |
| common_options.treat_warnings_as_errors = option_values.treat_warnings_as_errors; |
| #if 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) { |
| 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.padding = option_values.padding; |
| common_options.num_compression_settings = option_values.num_compression_settings; |
| FLAC__ASSERT(sizeof(common_options.compression_settings) >= sizeof(option_values.compression_settings)); |
| memcpy(common_options.compression_settings, option_values.compression_settings, sizeof(option_values.compression_settings)); |
| 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.continue_through_decode_errors = option_values.continue_through_decode_errors; |
| common_options.cued_seekpoints = option_values.cued_seekpoints; |
| common_options.channel_map_none = option_values.channel_map_none; |
| 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.ignore_chunk_sizes = option_values.ignore_chunk_sizes; |
| common_options.sector_align = option_values.sector_align; |
| common_options.vorbis_comment = option_values.vorbis_comment; |
| FLAC__ASSERT(sizeof(common_options.pictures) >= sizeof(option_values.pictures)); |
| memcpy(common_options.pictures, option_values.pictures, sizeof(option_values.pictures)); |
| common_options.num_pictures = option_values.num_pictures; |
| 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; |
| common_options.debug.do_md5 = option_values.debug.do_md5; |
| |
| /* if infilename and outfilename point to the same file, we need to write to a temporary file */ |
| if(encode_infile != stdin && grabbag__file_are_same(infilename, outfilename)) { |
| static const char *tmp_suffix = ".tmp,fl-ac+en'c"; |
| /*@@@@ still a remote possibility that a file with this filename exists */ |
| if(0 == (internal_outfilename = malloc(strlen(outfilename)+strlen(tmp_suffix)+1))) { |
| flac__utils_printf(stderr, 1, "ERROR allocating memory for tempfile name\n"); |
| conditional_fclose(encode_infile); |
| return 1; |
| } |
| strcpy(internal_outfilename, outfilename); |
| strcat(internal_outfilename, tmp_suffix); |
| } |
| |
| 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, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options); |
| } |
| else if(fmt == FLAC || fmt == OGGFLAC) { |
| flac_encode_options_t options; |
| |
| options.common = common_options; |
| |
| retval = flac__encode_flac(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options, fmt==OGGFLAC); |
| } |
| else { |
| wav_encode_options_t options; |
| |
| options.common = common_options; |
| |
| if(fmt == AIF) |
| retval = flac__encode_aif(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options, is_aifc); |
| else |
| retval = flac__encode_wav(encode_infile, infilesize, infilename, internal_outfilename? internal_outfilename : outfilename, lookahead, lookahead_length, options); |
| } |
| |
| if(retval == 0) { |
| 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_reference(internal_outfilename? internal_outfilename : outfilename, /*preserve_modtime=*/true)) || |
| 0 != (error = grabbag__replaygain_store_to_file_title(internal_outfilename? internal_outfilename : outfilename, title_gain, title_peak, /*preserve_modtime=*/true)) |
| ) { |
| flac__utils_printf(stderr, 1, "%s: ERROR writing ReplayGain reference/title tags (%s)\n", outfilename, error); |
| } |
| } |
| if(strcmp(infilename, "-")) |
| grabbag__file_copy_metadata(infilename, internal_outfilename? internal_outfilename : outfilename); |
| } |
| } |
| |
| /* rename temporary file if necessary */ |
| if(retval == 0 && internal_outfilename != 0) { |
| if(rename(internal_outfilename, outfilename) < 0) { |
| #if defined _MSC_VER || defined __MINGW32__ || defined __EMX__ |
| /* on some flavors of windows, rename() will fail if the destination already exists, so we unlink and try again */ |
| if(unlink(outfilename) < 0) { |
| flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, keeping both\n", internal_outfilename, outfilename); |
| retval = 1; |
| } |
| else if(rename(internal_outfilename, outfilename) < 0) { |
| flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, you must do it\n", internal_outfilename, outfilename); |
| retval = 1; |
| } |
| #else |
| flac__utils_printf(stderr, 1, "ERROR: moving new FLAC file %s back on top of original FLAC file %s, keeping both\n", internal_outfilename, outfilename); |
| retval = 1; |
| #endif |
| } |
| } |
| |
| /* handle --delete-input-file, but don't want to delete if piping from stdin, or if input filename and output filename are the same */ |
| if(retval == 0 && option_values.delete_input && strcmp(infilename, "-") && internal_outfilename == 0) |
| unlink(infilename); |
| |
| if(internal_outfilename != 0) |
| free(internal_outfilename); |
| |
| 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 && strcmp(outfilename, "-") && 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 == FLAC__STRCASECMP(infilename+(strlen(infilename)-4), ".ogg")) |
| treat_as_ogg = true; |
| else |
| treat_as_ogg = false; |
| |
| #if !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.treat_warnings_as_errors = option_values.treat_warnings_as_errors; |
| common_options.continue_through_decode_errors = option_values.continue_through_decode_errors; |
| common_options.replaygain_synthesis_spec = option_values.replaygain_synthesis_spec; |
| #if 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 |
| common_options.channel_map_none = option_values.channel_map_none; |
| |
| 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 == FLAC__STRCASECMP(outfilename+(strlen(outfilename)-4), ".aif")) || |
| (strlen(outfilename) >= 5 && 0 == FLAC__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; |
| /* the . must come after any / to avoid problems with, e.g. "some.directory/extensionless-filename" */ |
| if(0 == (p = strrchr(buffer, '.')) || strchr(p, '/')) { |
| if (flac__strlcat(buffer, suffix, 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); |
| } |
| |
| int conditional_fclose(FILE *f) |
| { |
| if(f == 0 || f == stdin || f == stdout) |
| return 0; |
| else |
| return fclose(f); |
| } |
| |
| 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; |
| } |
| |
| #ifdef _MSC_VER |
| /* There's no strtoll() in MSVC6 so we just write a specialized one */ |
| FLAC__int64 local__strtoll(const char *src, char **endptr) |
| { |
| FLAC__bool neg = false; |
| FLAC__int64 ret = 0; |
| int c; |
| FLAC__ASSERT(0 != src); |
| if(*src == '-') { |
| neg = true; |
| src++; |
| } |
| while(0 != (c = *src)) { |
| c -= '0'; |
| if(c >= 0 && c <= 9) |
| ret = (ret * 10) + c; |
| else |
| break; |
| src++; |
| } |
| if(endptr) |
| *endptr = (char*)src; |
| return neg? -ret : ret; |
| } |
| #endif |