X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fmetaflac%2Fmain.c;h=10baffd64a4ff9e0e7b846265c25c299c98848eb;hb=c152d1adf910409bff06b9651247584d9e606c95;hp=7cfdb975e940a7ea7391247baf27754f278bb2a1;hpb=b8f8a07684a57591cb7c7013546527856dca1fbd;p=platform%2Fupstream%2Fflac.git diff --git a/src/metaflac/main.c b/src/metaflac/main.c index 7cfdb97..10baffd 100644 --- a/src/metaflac/main.c +++ b/src/metaflac/main.c @@ -1,5 +1,5 @@ /* metaflac - Command-line FLAC metadata editor - * Copyright (C) 2001,2002 Josh Coalson + * Copyright (C) 2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -11,2311 +11,39 @@ * 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. + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -/*@@@ -more powerful operations yet to add: - add a seektable, using same args as flac -*/ - #if HAVE_CONFIG_H # include #endif -#include "FLAC/assert.h" -#include "FLAC/metadata.h" -#include "share/grabbag.h" -#include "share/utf8.h" -#include +#include "operations.h" +#include "options.h" #include -#include -#include #include -#include - -#if 0 -/*[JEC] was:#if HAVE_GETOPT_LONG*/ -/*[JEC] see flac/include/share/getopt.h as to why the change */ -# include -#else -# include "share/getopt.h" -#endif - -/* - share__getopt format struct; note we don't use short options so we just - set the 'val' field to 0 everywhere to indicate a valid option. -*/ -static struct share__option long_options_[] = { - /* global options */ - { "preserve-modtime", 0, 0, 0 }, - { "with-filename", 0, 0, 0 }, - { "no-filename", 0, 0, 0 }, - { "no-utf8-convert", 0, 0, 0 }, - { "dont-use-padding", 0, 0, 0 }, - /* shorthand operations */ - { "show-md5sum", 0, 0, 0 }, - { "show-min-blocksize", 0, 0, 0 }, - { "show-max-blocksize", 0, 0, 0 }, - { "show-min-framesize", 0, 0, 0 }, - { "show-max-framesize", 0, 0, 0 }, - { "show-sample-rate", 0, 0, 0 }, - { "show-channels", 0, 0, 0 }, - { "show-bps", 0, 0, 0 }, - { "show-total-samples", 0, 0, 0 }, - { "set-md5sum", 1, 0, 0 }, /* undocumented */ - { "set-min-blocksize", 1, 0, 0 }, /* undocumented */ - { "set-max-blocksize", 1, 0, 0 }, /* undocumented */ - { "set-min-framesize", 1, 0, 0 }, /* undocumented */ - { "set-max-framesize", 1, 0, 0 }, /* undocumented */ - { "set-sample-rate", 1, 0, 0 }, /* undocumented */ - { "set-channels", 1, 0, 0 }, /* undocumented */ - { "set-bps", 1, 0, 0 }, /* undocumented */ - { "set-total-samples", 1, 0, 0 }, /* undocumented */ - { "show-vc-vendor", 0, 0, 0 }, - { "show-vc-field", 1, 0, 0 }, - { "remove-vc-all", 0, 0, 0 }, - { "remove-vc-field", 1, 0, 0 }, - { "remove-vc-firstfield", 1, 0, 0 }, - { "set-vc-field", 1, 0, 0 }, - { "import-vc-from", 1, 0, 0 }, - { "export-vc-to", 1, 0, 0 }, - { "add-replay-gain", 0, 0, 0 }, - { "add-padding", 1, 0, 0 }, - /* major operations */ - { "help", 0, 0, 0 }, - { "version", 0, 0, 0 }, - { "list", 0, 0, 0 }, - { "append", 0, 0, 0 }, - { "remove", 0, 0, 0 }, - { "remove-all", 0, 0, 0 }, - { "merge-padding", 0, 0, 0 }, - { "sort-padding", 0, 0, 0 }, - /* major operation arguments */ - { "block-number", 1, 0, 0 }, - { "block-type", 1, 0, 0 }, - { "except-block-type", 1, 0, 0 }, - { "data-format", 1, 0, 0 }, - { "application-data-format", 1, 0, 0 }, - { "from-file", 1, 0, 0 }, - {0, 0, 0, 0} -}; - -typedef enum { - OP__SHOW_MD5SUM, - OP__SHOW_MIN_BLOCKSIZE, - OP__SHOW_MAX_BLOCKSIZE, - OP__SHOW_MIN_FRAMESIZE, - OP__SHOW_MAX_FRAMESIZE, - OP__SHOW_SAMPLE_RATE, - OP__SHOW_CHANNELS, - OP__SHOW_BPS, - OP__SHOW_TOTAL_SAMPLES, - OP__SET_MD5SUM, - OP__SET_MIN_BLOCKSIZE, - OP__SET_MAX_BLOCKSIZE, - OP__SET_MIN_FRAMESIZE, - OP__SET_MAX_FRAMESIZE, - OP__SET_SAMPLE_RATE, - OP__SET_CHANNELS, - OP__SET_BPS, - OP__SET_TOTAL_SAMPLES, - OP__SHOW_VC_VENDOR, - OP__SHOW_VC_FIELD, - OP__REMOVE_VC_ALL, - OP__REMOVE_VC_FIELD, - OP__REMOVE_VC_FIRSTFIELD, - OP__SET_VC_FIELD, - OP__IMPORT_VC_FROM, - OP__EXPORT_VC_TO, - OP__ADD_REPLAY_GAIN, - OP__ADD_PADDING, - OP__LIST, - OP__APPEND, - OP__REMOVE, - OP__REMOVE_ALL, - OP__MERGE_PADDING, - OP__SORT_PADDING -} OperationType; - -typedef enum { - ARG__BLOCK_NUMBER, - ARG__BLOCK_TYPE, - ARG__EXCEPT_BLOCK_TYPE, - ARG__DATA_FORMAT, - ARG__FROM_FILE -} ArgumentType; - -typedef struct { - FLAC__byte value[16]; -} Argument_StreaminfoMD5; - -typedef struct { - FLAC__uint32 value; -} Argument_StreaminfoUInt32; - -typedef struct { - FLAC__uint64 value; -} Argument_StreaminfoUInt64; - -typedef struct { - char *value; -} Argument_VcFieldName; - -typedef struct { - char *field; /* the whole field as passed on the command line, i.e. "NAME=VALUE" */ - char *field_name; - /* according to the vorbis spec, field values can contain \0 so simple C strings are not enough here */ - unsigned field_value_length; - char *field_value; -} Argument_VcField; - -typedef struct { - char *value; -} Argument_VcFilename; - -typedef struct { - unsigned num_entries; - unsigned *entries; -} Argument_BlockNumber; - -typedef struct { - FLAC__MetadataType type; - char application_id[4]; /* only relevant if type == FLAC__STREAM_METADATA_TYPE_APPLICATION */ - FLAC__bool filter_application_by_id; -} Argument_BlockTypeEntry; - -typedef struct { - unsigned num_entries; - Argument_BlockTypeEntry *entries; -} Argument_BlockType; - -typedef struct { - FLAC__bool is_binary; -} Argument_DataFormat; - -typedef struct { - char *file_name; -} Argument_FromFile; - -typedef struct { - unsigned length; -} Argument_AddPadding; - -typedef struct { - OperationType type; - union { - Argument_StreaminfoMD5 streaminfo_md5; - Argument_StreaminfoUInt32 streaminfo_uint32; - Argument_StreaminfoUInt64 streaminfo_uint64; - Argument_VcFieldName vc_field_name; - Argument_VcField vc_field; - Argument_VcFilename vc_filename; - Argument_AddPadding add_padding; - } argument; -} Operation; - -typedef struct { - ArgumentType type; - union { - Argument_BlockNumber block_number; - Argument_BlockType block_type; - Argument_DataFormat data_format; - Argument_FromFile from_file; - } value; -} Argument; - -typedef struct { - FLAC__bool preserve_modtime; - FLAC__bool prefix_with_filename; - FLAC__bool utf8_convert; - FLAC__bool use_padding; - FLAC__bool show_long_help; - FLAC__bool show_version; - FLAC__bool application_data_format_is_hexdump; - struct { - Operation *operations; - unsigned num_operations; - unsigned capacity; - } ops; - struct { - struct { - unsigned num_shorthand_ops; - unsigned num_major_ops; - FLAC__bool has_block_type; - FLAC__bool has_except_block_type; - } checks; - Argument *arguments; - unsigned num_arguments; - unsigned capacity; - } args; - unsigned num_files; - char **filenames; -} CommandLineOptions; - -static void die(const char *message); -static void init_options(CommandLineOptions *options); -static FLAC__bool parse_options(int argc, char *argv[], CommandLineOptions *options); -static FLAC__bool parse_option(int option_index, const char *option_argument, CommandLineOptions *options); -static void free_options(CommandLineOptions *options); -static void append_new_operation(CommandLineOptions *options, Operation operation); -static void append_new_argument(CommandLineOptions *options, Argument argument); -static Operation *append_major_operation(CommandLineOptions *options, OperationType type); -static Operation *append_shorthand_operation(CommandLineOptions *options, OperationType type); -static Argument *append_argument(CommandLineOptions *options, ArgumentType type); -static void show_version(); -static int short_usage(const char *message, ...); -static int long_usage(const char *message, ...); -static char *local_strdup(const char *source); -static FLAC__bool parse_md5(const char *src, FLAC__byte dest[16]); -static FLAC__bool parse_uint32(const char *src, FLAC__uint32 *dest); -static FLAC__bool parse_uint64(const char *src, FLAC__uint64 *dest); -static FLAC__bool parse_filename(const char *src, char **dest); -static FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation); -static FLAC__bool parse_vorbis_comment_field_name(const char *field_ref, char **name, const char **violation); -static FLAC__bool parse_add_padding(const char *in, unsigned *out); -static FLAC__bool parse_block_number(const char *in, Argument_BlockNumber *out); -static FLAC__bool parse_block_type(const char *in, Argument_BlockType *out); -static FLAC__bool parse_data_format(const char *in, Argument_DataFormat *out); -static FLAC__bool parse_application_data_format(const char *in, FLAC__bool *out); -static FLAC__bool do_operations(const CommandLineOptions *options); -static FLAC__bool do_major_operation(const CommandLineOptions *options); -static FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options); -static FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options); -static FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options); -static FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options); -static FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options); -static FLAC__bool do_shorthand_operations(const CommandLineOptions *options); -static FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options); -static FLAC__bool do_shorthand_operation(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert); -static FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime); -static FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write); -static FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write); -static FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw); -static FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number); -static void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application); -static void write_vc_field(const char *filename, const FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__bool raw, FILE *f); -static void write_vc_fields(const char *filename, const char *field_name, const FLAC__StreamMetadata_VorbisComment_Entry entry[], unsigned num_entries, FLAC__bool raw, FILE *f); -static FLAC__bool remove_vc_all(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write); -static FLAC__bool remove_vc_field(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write); -static FLAC__bool remove_vc_firstfield(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write); -static FLAC__bool set_vc_field(const char *filename, FLAC__StreamMetadata *block, const Argument_VcField *field, FLAC__bool *needs_write, FLAC__bool raw); -static FLAC__bool import_vc_from(const char *filename, FLAC__StreamMetadata *block, const Argument_VcFilename *vc_filename, FLAC__bool *needs_write, FLAC__bool raw); -static FLAC__bool export_vc_to(const char *filename, FLAC__StreamMetadata *block, const Argument_VcFilename *vc_filename, FLAC__bool raw); -static void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent); -static void undocumented_warning(const char *opt); int main(int argc, char *argv[]) { CommandLineOptions options; int ret = 0; +#ifdef __EMX__ + _response(&argc, &argv); + _wildcard(&argc, &argv); +#endif + setlocale(LC_ALL, ""); init_options(&options); - if(parse_options(argc, argv, &options)) + if ((ret = parse_options(argc, argv, &options)) == 0) ret = !do_operations(&options); - - free_options(&options); - - return ret; -} - -void die(const char *message) -{ - FLAC__ASSERT(0 != message); - fprintf(stderr, "ERROR: %s\n", message); - exit(1); -} - -void init_options(CommandLineOptions *options) -{ - options->preserve_modtime = false; - - /* '2' is a hack to mean "use default if not forced on command line" */ - FLAC__ASSERT(true != 2); - options->prefix_with_filename = 2; - - options->utf8_convert = true; - options->use_padding = true; - options->show_long_help = false; - options->show_version = false; - options->application_data_format_is_hexdump = false; - - options->ops.operations = 0; - options->ops.num_operations = 0; - options->ops.capacity = 0; - - options->args.arguments = 0; - options->args.num_arguments = 0; - options->args.capacity = 0; - - options->args.checks.num_shorthand_ops = 0; - options->args.checks.num_major_ops = 0; - options->args.checks.has_block_type = false; - options->args.checks.has_except_block_type = false; - - options->num_files = 0; - options->filenames = 0; -} - -FLAC__bool parse_options(int argc, char *argv[], CommandLineOptions *options) -{ - int ret; - int option_index = 1; - FLAC__bool had_error = false; - - while ((ret = share__getopt_long(argc, argv, "", long_options_, &option_index)) != -1) { - switch (ret) { - case 0: - had_error |= !parse_option(option_index, share__optarg, options); - break; - case '?': - case ':': - had_error = true; - break; - default: - FLAC__ASSERT(0); - break; - } - } - - if(options->prefix_with_filename == 2) - options->prefix_with_filename = (argc - share__optind > 1); - - if(share__optind >= argc && !options->show_long_help && !options->show_version) { - fprintf(stderr,"ERROR: you must specify at least one FLAC file;\n"); - fprintf(stderr," metaflac cannot be used as a pipe\n"); - had_error = true; - } - - options->num_files = argc - share__optind; - - if(options->num_files > 0) { - unsigned i = 0; - if(0 == (options->filenames = malloc(sizeof(char *) * options->num_files))) - die("out of memory allocating space for file names list"); - while(share__optind < argc) - options->filenames[i++] = local_strdup(argv[share__optind++]); - } - - if(options->args.checks.num_major_ops > 0) { - if(options->args.checks.num_major_ops > 1) { - fprintf(stderr, "ERROR: you may only specify one major operation at a time\n"); - had_error = true; - } - else if(options->args.checks.num_shorthand_ops > 0) { - fprintf(stderr, "ERROR: you may not mix shorthand and major operations\n"); - had_error = true; - } - } - - if(options->args.checks.has_block_type && options->args.checks.has_except_block_type) { - fprintf(stderr, "ERROR: you may not specify both '--block-type' and '--except-block-type'\n"); - had_error = true; - } - - if(had_error) - short_usage(0); - - return !had_error; -} - -FLAC__bool parse_option(int option_index, const char *option_argument, CommandLineOptions *options) -{ - const char *opt = long_options_[option_index].name; - Operation *op; - Argument *arg; - FLAC__bool ok = true; - - if(0 == strcmp(opt, "preserve-modtime")) { - options->preserve_modtime = true; - } - else if(0 == strcmp(opt, "with-filename")) { - options->prefix_with_filename = true; - } - else if(0 == strcmp(opt, "no-filename")) { - options->prefix_with_filename = false; - } - else if(0 == strcmp(opt, "no-utf8-convert")) { - options->utf8_convert = false; - } - else if(0 == strcmp(opt, "dont-use-padding")) { - options->use_padding = false; - } - else if(0 == strcmp(opt, "show-md5sum")) { - (void) append_shorthand_operation(options, OP__SHOW_MD5SUM); - } - else if(0 == strcmp(opt, "show-min-blocksize")) { - (void) append_shorthand_operation(options, OP__SHOW_MIN_BLOCKSIZE); - } - else if(0 == strcmp(opt, "show-max-blocksize")) { - (void) append_shorthand_operation(options, OP__SHOW_MAX_BLOCKSIZE); - } - else if(0 == strcmp(opt, "show-min-framesize")) { - (void) append_shorthand_operation(options, OP__SHOW_MIN_FRAMESIZE); - } - else if(0 == strcmp(opt, "show-max-framesize")) { - (void) append_shorthand_operation(options, OP__SHOW_MAX_FRAMESIZE); - } - else if(0 == strcmp(opt, "show-sample-rate")) { - (void) append_shorthand_operation(options, OP__SHOW_SAMPLE_RATE); - } - else if(0 == strcmp(opt, "show-channels")) { - (void) append_shorthand_operation(options, OP__SHOW_CHANNELS); - } - else if(0 == strcmp(opt, "show-bps")) { - (void) append_shorthand_operation(options, OP__SHOW_BPS); - } - else if(0 == strcmp(opt, "show-total-samples")) { - (void) append_shorthand_operation(options, OP__SHOW_TOTAL_SAMPLES); - } - else if(0 == strcmp(opt, "set-md5sum")) { - op = append_shorthand_operation(options, OP__SET_MD5SUM); - FLAC__ASSERT(0 != option_argument); - if(!parse_md5(option_argument, op->argument.streaminfo_md5.value)) { - fprintf(stderr, "ERROR (--%s): bad MD5 sum\n", opt); - ok = false; - } - else - undocumented_warning(opt); - } - else if(0 == strcmp(opt, "set-min-blocksize")) { - op = append_shorthand_operation(options, OP__SET_MIN_BLOCKSIZE); - if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BLOCK_SIZE || op->argument.streaminfo_uint32.value > FLAC__MAX_BLOCK_SIZE) { - fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE); - ok = false; - } - else - undocumented_warning(opt); - } - else if(0 == strcmp(opt, "set-max-blocksize")) { - op = append_shorthand_operation(options, OP__SET_MAX_BLOCKSIZE); - if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BLOCK_SIZE || op->argument.streaminfo_uint32.value > FLAC__MAX_BLOCK_SIZE) { - fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE); - ok = false; - } - else - undocumented_warning(opt); - } - else if(0 == strcmp(opt, "set-min-framesize")) { - op = append_shorthand_operation(options, OP__SET_MIN_FRAMESIZE); - if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value >= (1u<argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value >= (1u<argument.streaminfo_uint32.value)) || !FLAC__format_sample_rate_is_valid(op->argument.streaminfo_uint32.value)) { - fprintf(stderr, "ERROR (--%s): invalid sample rate\n", opt); - ok = false; - } - else - undocumented_warning(opt); - } - else if(0 == strcmp(opt, "set-channels")) { - op = append_shorthand_operation(options, OP__SET_CHANNELS); - if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value > FLAC__MAX_CHANNELS) { - fprintf(stderr, "ERROR (--%s): value must be > 0 and <= %u\n", opt, FLAC__MAX_CHANNELS); - ok = false; - } - else - undocumented_warning(opt); - } - else if(0 == strcmp(opt, "set-bps")) { - op = append_shorthand_operation(options, OP__SET_BPS); - if(!parse_uint32(option_argument, &(op->argument.streaminfo_uint32.value)) || op->argument.streaminfo_uint32.value < FLAC__MIN_BITS_PER_SAMPLE || op->argument.streaminfo_uint32.value > FLAC__MAX_BITS_PER_SAMPLE) { - fprintf(stderr, "ERROR (--%s): value must be >= %u and <= %u\n", opt, FLAC__MIN_BITS_PER_SAMPLE, FLAC__MAX_BITS_PER_SAMPLE); - ok = false; - } - else - undocumented_warning(opt); - } - else if(0 == strcmp(opt, "set-total-samples")) { - op = append_shorthand_operation(options, OP__SET_TOTAL_SAMPLES); - if(!parse_uint64(option_argument, &(op->argument.streaminfo_uint64.value)) || op->argument.streaminfo_uint64.value >= (1u<argument.vc_field_name.value), &violation)) { - FLAC__ASSERT(0 != violation); - fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); - ok = false; - } - } - else if(0 == strcmp(opt, "remove-vc-all")) { - (void) append_shorthand_operation(options, OP__REMOVE_VC_ALL); - } - else if(0 == strcmp(opt, "remove-vc-field")) { - const char *violation; - op = append_shorthand_operation(options, OP__REMOVE_VC_FIELD); - FLAC__ASSERT(0 != option_argument); - if(!parse_vorbis_comment_field_name(option_argument, &(op->argument.vc_field_name.value), &violation)) { - FLAC__ASSERT(0 != violation); - fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); - ok = false; - } - } - else if(0 == strcmp(opt, "remove-vc-firstfield")) { - const char *violation; - op = append_shorthand_operation(options, OP__REMOVE_VC_FIRSTFIELD); - FLAC__ASSERT(0 != option_argument); - if(!parse_vorbis_comment_field_name(option_argument, &(op->argument.vc_field_name.value), &violation)) { - FLAC__ASSERT(0 != violation); - fprintf(stderr, "ERROR (--%s): malformed vorbis comment field name \"%s\",\n %s\n", opt, option_argument, violation); - ok = false; - } - } - else if(0 == strcmp(opt, "set-vc-field")) { - const char *violation; - op = append_shorthand_operation(options, OP__SET_VC_FIELD); - FLAC__ASSERT(0 != option_argument); - if(!parse_vorbis_comment_field(option_argument, &(op->argument.vc_field.field), &(op->argument.vc_field.field_name), &(op->argument.vc_field.field_value), &(op->argument.vc_field.field_value_length), &violation)) { - FLAC__ASSERT(0 != violation); - fprintf(stderr, "ERROR (--%s): malformed vorbis comment field \"%s\",\n %s\n", opt, option_argument, violation); - ok = false; - } - } - else if(0 == strcmp(opt, "import-vc-from")) { - op = append_shorthand_operation(options, OP__IMPORT_VC_FROM); - FLAC__ASSERT(0 != option_argument); - if(!parse_filename(option_argument, &(op->argument.vc_filename.value))) { - fprintf(stderr, "ERROR (--%s): missing filename\n", opt); - ok = false; - } - } - else if(0 == strcmp(opt, "export-vc-to")) { - op = append_shorthand_operation(options, OP__EXPORT_VC_TO); - FLAC__ASSERT(0 != option_argument); - if(!parse_filename(option_argument, &(op->argument.vc_filename.value))) { - fprintf(stderr, "ERROR (--%s): missing filename\n", opt); - ok = false; - } - } - else if(0 == strcmp(opt, "add-replay-gain")) { - (void) append_shorthand_operation(options, OP__ADD_REPLAY_GAIN); - } - else if(0 == strcmp(opt, "add-padding")) { - op = append_shorthand_operation(options, OP__ADD_PADDING); - FLAC__ASSERT(0 != option_argument); - if(!parse_add_padding(option_argument, &(op->argument.add_padding.length))) { - fprintf(stderr, "ERROR (--%s): illegal length \"%s\", length must be >= 0 and < 2^%u\n", opt, option_argument, FLAC__STREAM_METADATA_LENGTH_LEN); - ok = false; - } - } - else if(0 == strcmp(opt, "help")) { - options->show_long_help = true; - } - else if(0 == strcmp(opt, "version")) { - options->show_version = true; - } - else if(0 == strcmp(opt, "list")) { - (void) append_major_operation(options, OP__LIST); - } - else if(0 == strcmp(opt, "append")) { - (void) append_major_operation(options, OP__APPEND); - } - else if(0 == strcmp(opt, "remove")) { - (void) append_major_operation(options, OP__REMOVE); - } - else if(0 == strcmp(opt, "remove-all")) { - (void) append_major_operation(options, OP__REMOVE_ALL); - } - else if(0 == strcmp(opt, "merge-padding")) { - (void) append_major_operation(options, OP__MERGE_PADDING); - } - else if(0 == strcmp(opt, "sort-padding")) { - (void) append_major_operation(options, OP__SORT_PADDING); - } - else if(0 == strcmp(opt, "block-number")) { - arg = append_argument(options, ARG__BLOCK_NUMBER); - FLAC__ASSERT(0 != option_argument); - if(!parse_block_number(option_argument, &(arg->value.block_number))) { - fprintf(stderr, "ERROR: malformed block number specification \"%s\"\n", option_argument); - ok = false; - } - } - else if(0 == strcmp(opt, "block-type")) { - arg = append_argument(options, ARG__BLOCK_TYPE); - FLAC__ASSERT(0 != option_argument); - if(!parse_block_type(option_argument, &(arg->value.block_type))) { - fprintf(stderr, "ERROR (--%s): malformed block type specification \"%s\"\n", opt, option_argument); - ok = false; - } - options->args.checks.has_block_type = true; - } - else if(0 == strcmp(opt, "except-block-type")) { - arg = append_argument(options, ARG__EXCEPT_BLOCK_TYPE); - FLAC__ASSERT(0 != option_argument); - if(!parse_block_type(option_argument, &(arg->value.block_type))) { - fprintf(stderr, "ERROR (--%s): malformed block type specification \"%s\"\n", opt, option_argument); - ok = false; - } - options->args.checks.has_except_block_type = true; - } - else if(0 == strcmp(opt, "data-format")) { - arg = append_argument(options, ARG__DATA_FORMAT); - FLAC__ASSERT(0 != option_argument); - if(!parse_data_format(option_argument, &(arg->value.data_format))) { - fprintf(stderr, "ERROR (--%s): illegal data format \"%s\"\n", opt, option_argument); - ok = false; - } - } - else if(0 == strcmp(opt, "application-data-format")) { - FLAC__ASSERT(0 != option_argument); - if(!parse_application_data_format(option_argument, &(options->application_data_format_is_hexdump))) { - fprintf(stderr, "ERROR (--%s): illegal application data format \"%s\"\n", opt, option_argument); - ok = false; - } - } - else if(0 == strcmp(opt, "from-file")) { - arg = append_argument(options, ARG__FROM_FILE); - FLAC__ASSERT(0 != option_argument); - arg->value.from_file.file_name = local_strdup(option_argument); - } - else { - FLAC__ASSERT(0); - } - - return ok; -} - -void free_options(CommandLineOptions *options) -{ - unsigned i; - Operation *op; - Argument *arg; - - FLAC__ASSERT(0 == options->ops.operations || options->ops.num_operations > 0); - FLAC__ASSERT(0 == options->args.arguments || options->args.num_arguments > 0); - - for(i = 0, op = options->ops.operations; i < options->ops.num_operations; i++, op++) { - switch(op->type) { - case OP__SHOW_VC_FIELD: - case OP__REMOVE_VC_FIELD: - case OP__REMOVE_VC_FIRSTFIELD: - if(0 != op->argument.vc_field_name.value) - free(op->argument.vc_field_name.value); - break; - case OP__SET_VC_FIELD: - if(0 != op->argument.vc_field.field) - free(op->argument.vc_field.field); - if(0 != op->argument.vc_field.field_name) - free(op->argument.vc_field.field_name); - if(0 != op->argument.vc_field.field_value) - free(op->argument.vc_field.field_value); - break; - case OP__IMPORT_VC_FROM: - case OP__EXPORT_VC_TO: - if(0 != op->argument.vc_filename.value) - free(op->argument.vc_filename.value); - break; - default: - break; - } - } - - for(i = 0, arg = options->args.arguments; i < options->args.num_arguments; i++, arg++) { - switch(arg->type) { - case ARG__BLOCK_NUMBER: - if(0 != arg->value.block_number.entries) - free(arg->value.block_number.entries); - break; - case ARG__BLOCK_TYPE: - case ARG__EXCEPT_BLOCK_TYPE: - if(0 != arg->value.block_type.entries) - free(arg->value.block_type.entries); - break; - case ARG__FROM_FILE: - if(0 != arg->value.from_file.file_name) - free(arg->value.from_file.file_name); - break; - default: - break; - } - } - - if(0 != options->ops.operations) - free(options->ops.operations); - - if(0 != options->args.arguments) - free(options->args.arguments); - - if(0 != options->filenames) - free(options->filenames); -} - -void append_new_operation(CommandLineOptions *options, Operation operation) -{ - if(options->ops.capacity == 0) { - options->ops.capacity = 50; - if(0 == (options->ops.operations = malloc(sizeof(Operation) * options->ops.capacity))) - die("out of memory allocating space for option list"); - memset(options->ops.operations, 0, sizeof(Operation) * options->ops.capacity); - } - if(options->ops.capacity <= options->ops.num_operations) { - unsigned original_capacity = options->ops.capacity; - options->ops.capacity *= 4; - if(0 == (options->ops.operations = realloc(options->ops.operations, sizeof(Operation) * options->ops.capacity))) - die("out of memory allocating space for option list"); - memset(options->ops.operations + original_capacity, 0, sizeof(Operation) * (options->ops.capacity - original_capacity)); - } - - options->ops.operations[options->ops.num_operations++] = operation; -} - -void append_new_argument(CommandLineOptions *options, Argument argument) -{ - if(options->args.capacity == 0) { - options->args.capacity = 50; - if(0 == (options->args.arguments = malloc(sizeof(Argument) * options->args.capacity))) - die("out of memory allocating space for option list"); - memset(options->args.arguments, 0, sizeof(Argument) * options->args.capacity); - } - if(options->args.capacity <= options->args.num_arguments) { - unsigned original_capacity = options->args.capacity; - options->args.capacity *= 4; - if(0 == (options->args.arguments = realloc(options->args.arguments, sizeof(Argument) * options->args.capacity))) - die("out of memory allocating space for option list"); - memset(options->args.arguments + original_capacity, 0, sizeof(Argument) * (options->args.capacity - original_capacity)); - } - - options->args.arguments[options->args.num_arguments++] = argument; -} - -Operation *append_major_operation(CommandLineOptions *options, OperationType type) -{ - Operation op; - memset(&op, 0, sizeof(op)); - op.type = type; - append_new_operation(options, op); - options->args.checks.num_major_ops++; - return options->ops.operations + (options->ops.num_operations - 1); -} - -Operation *append_shorthand_operation(CommandLineOptions *options, OperationType type) -{ - Operation op; - memset(&op, 0, sizeof(op)); - op.type = type; - append_new_operation(options, op); - options->args.checks.num_shorthand_ops++; - return options->ops.operations + (options->ops.num_operations - 1); -} - -Argument *append_argument(CommandLineOptions *options, ArgumentType type) -{ - Argument arg; - memset(&arg, 0, sizeof(arg)); - arg.type = type; - append_new_argument(options, arg); - return options->args.arguments + (options->args.num_arguments - 1); -} - -void show_version() -{ - printf("metaflac %s\n", FLAC__VERSION_STRING); -} - -static void usage_header(FILE *out) -{ - fprintf(out, "==============================================================================\n"); - fprintf(out, "metaflac - Command-line FLAC metadata editor version %s\n", FLAC__VERSION_STRING); - fprintf(out, "Copyright (C) 2001,2002 Josh Coalson\n"); - fprintf(out, "\n"); - fprintf(out, "This program is free software; you can redistribute it and/or\n"); - fprintf(out, "modify it under the terms of the GNU General Public License\n"); - fprintf(out, "as published by the Free Software Foundation; either version 2\n"); - fprintf(out, "of the License, or (at your option) any later version.\n"); - fprintf(out, "\n"); - fprintf(out, "This program is distributed in the hope that it will be useful,\n"); - fprintf(out, "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"); - fprintf(out, "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"); - fprintf(out, "GNU General Public License for more details.\n"); - fprintf(out, "\n"); - fprintf(out, "You should have received a copy of the GNU General Public License\n"); - fprintf(out, "along with this program; if not, write to the Free Software\n"); - fprintf(out, "Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n"); - fprintf(out, "==============================================================================\n"); -} - -static void usage_summary(FILE *out) -{ - fprintf(out, "Usage:\n"); - fprintf(out, " metaflac [options] [operations] FLACfile [FLACfile ...]\n"); - fprintf(out, "\n"); - fprintf(out, "Use metaflac to list, add, remove, or edit metadata in one or more FLAC files.\n"); - fprintf(out, "You may perform one major operation, or many shorthand operations at a time.\n"); - fprintf(out, "\n"); - fprintf(out, "Options:\n"); - fprintf(out, "--preserve-modtime Preserve the original modification time in spite of edits\n"); - fprintf(out, "--with-filename Prefix each output line with the FLAC file name\n"); - fprintf(out, " (the default if more than one FLAC file is specified)\n"); - fprintf(out, "--no-filename Do not prefix each output line with the FLAC file name\n"); - fprintf(out, " (the default if only one FLAC file is specified)\n"); - fprintf(out, "--no-utf8-convert Do not convert Vorbis comments from UTF-8 to local charset,\n"); - fprintf(out, " or vice versa. This is useful for scripts.\n"); - fprintf(out, "--dont-use-padding By default metaflac tries to use padding where possible\n"); - fprintf(out, " to avoid rewriting the entire file if the metadata size\n"); - fprintf(out, " changes. Use this option to tell metaflac to not take\n"); - fprintf(out, " advantage of padding this way.\n"); -} - -int short_usage(const char *message, ...) -{ - va_list args; - - if(message) { - va_start(args, message); - - (void) vfprintf(stderr, message, args); - - va_end(args); - - } - usage_header(stderr); - fprintf(stderr, "\n"); - fprintf(stderr, "This is the short help; for full help use 'metaflac --help'\n"); - fprintf(stderr, "\n"); - usage_summary(stderr); - - return message? 1 : 0; -} - -int long_usage(const char *message, ...) -{ - FILE *out = (message? stderr : stdout); - va_list args; - - if(message) { - va_start(args, message); - - (void) vfprintf(stderr, message, args); - - va_end(args); - - } - usage_header(out); - fprintf(out, "\n"); - usage_summary(out); - fprintf(out, "\n"); - fprintf(out, "Shorthand operations:\n"); - fprintf(out, "--show-md5sum Show the MD5 signature from the STREAMINFO block.\n"); - fprintf(out, "--show-min-blocksize Show the minimum block size from the STREAMINFO block.\n"); - fprintf(out, "--show-max-blocksize Show the maximum block size from the STREAMINFO block.\n"); - fprintf(out, "--show-min-framesize Show the minimum frame size from the STREAMINFO block.\n"); - fprintf(out, "--show-max-framesize Show the maximum frame size from the STREAMINFO block.\n"); - fprintf(out, "--show-sample-rate Show the sample rate from the STREAMINFO block.\n"); - fprintf(out, "--show-channels Show the number of channels from the STREAMINFO block.\n"); - fprintf(out, "--show-bps Show the # of bits per sample from the STREAMINFO block.\n"); - fprintf(out, "--show-total-samples Show the total # of samples from the STREAMINFO block.\n"); - fprintf(out, "\n"); - fprintf(out, "--show-vc-vendor Show the vendor string from the VORBIS_COMMENT block.\n"); - fprintf(out, "--show-vc-field=name Show all Vorbis comment fields where the the field name\n"); - fprintf(out, " matches 'name'.\n"); - fprintf(out, "--remove-vc-field=name\n"); - fprintf(out, " Remove all Vorbis comment fields whose field name is\n"); - fprintf(out, " 'name'.\n"); - fprintf(out, "--remove-vc-firstfield=name\n"); - fprintf(out, " Remove first Vorbis comment field whose field name is\n"); - fprintf(out, " 'name'.\n"); - fprintf(out, "--remove-vc-all Remove all Vorbis comment fields, leaving only the\n"); - fprintf(out, " vendor string in the VORBIS_COMMENT block.\n"); - fprintf(out, "--set-vc-field=field Add a Vorbis comment field. The field must comply with\n"); - fprintf(out, " the Vorbis comment spec, of the form \"NAME=VALUE\". If\n"); - fprintf(out, " there is currently no VORBIS_COMMENT block, one will be\n"); - fprintf(out, " created.\n"); - fprintf(out, "--import-vc-from=file Import Vorbis comments from a file. Use '-' for stdin.\n"); - fprintf(out, " Each line should be of the form NAME=VALUE. Multi-\n"); - fprintf(out, " line comments are currently not supported. Specify\n"); - fprintf(out, " --remove-vc-all and/or --no-utf8-convert before\n"); - fprintf(out, " --import-vc-from if necessary.\n"); - fprintf(out, "--export-vc-to=file Export Vorbis comments to a file. Use '-' for stdin.\n"); - fprintf(out, " Each line will be of the form NAME=VALUE. Specify\n"); - fprintf(out, " --no-utf8-convert if necessary.\n"); - fprintf(out, "--add-replay-gain Calculates the title and album gains/peaks of the given\n"); - fprintf(out, " FLAC files as if all the files were part of one album,\n"); - fprintf(out, " then stores them in the VORBIS_COMMENT block. The tags\n"); - fprintf(out, " are the same as those used by vorbisgain. Existing\n"); - fprintf(out, " ReplayGain tags will be replaced. If only one FLAC file\n"); - fprintf(out, " is given, the album and title gains will be the same.\n"); - fprintf(out, " Since this operation requires two passes, it is always\n"); - fprintf(out, " executed last, after all other operations have been\n"); - fprintf(out, " completed and written to disk. All FLAC files specified\n"); - fprintf(out, " must have the same resolution, sample rate, and number\n"); - fprintf(out, " of channels. The sample rate must be one of 8, 11.025,\n"); - fprintf(out, " 12, 16, 22.05, 24, 32, 44.1, or 48 kHz.\n"); - fprintf(out, "--add-padding=length Add a padding block of the given length (in bytes).\n"); - fprintf(out, " The overall length of the new block will be 4 + length;\n"); - fprintf(out, " the extra 4 bytes is for the metadata block header.\n"); - fprintf(out, "\n"); - fprintf(out, "Major operations:\n"); - fprintf(out, "--version\n"); - fprintf(out, " Show the metaflac version number.\n"); - fprintf(out, "--list\n"); - fprintf(out, " List the contents of one or more metadata blocks to stdout. By default,\n"); - fprintf(out, " all metadata blocks are listed in text format. Use the following options\n"); - fprintf(out, " to change this behavior:\n"); - fprintf(out, "\n"); - fprintf(out, " --block-number=#[,#[...]]\n"); - fprintf(out, " An optional comma-separated list of block numbers to display. The first\n"); - fprintf(out, " block, the STREAMINFO block, is block 0.\n"); - fprintf(out, "\n"); - fprintf(out, " --block-type=type[,type[...]]\n"); - fprintf(out, " --except-block-type=type[,type[...]]\n"); - fprintf(out, " An optional comma-separated list of block types to included or ignored\n"); - fprintf(out, " with this option. Use only one of --block-type or --except-block-type.\n"); - fprintf(out, " The valid block types are: STREAMINFO, PADDING, APPLICATION, SEEKTABLE,\n"); - fprintf(out, " VORBIS_COMMENT. You may narrow down the types of APPLICATION blocks\n"); - fprintf(out, " displayed as follows:\n"); - fprintf(out, " APPLICATION:abcd The APPLICATION block(s) whose textual repre-\n"); - fprintf(out, " sentation of the 4-byte ID is \"abcd\"\n"); - fprintf(out, " APPLICATION:0xXXXXXXXX The APPLICATION block(s) whose hexadecimal big-\n"); - fprintf(out, " endian representation of the 4-byte ID is\n"); - fprintf(out, " \"0xXXXXXXXX\". For the example \"abcd\" above the\n"); - fprintf(out, " hexadecimal equivalalent is 0x61626364\n"); - fprintf(out, "\n"); - fprintf(out, " NOTE: if both --block-number and --[except-]block-type are specified,\n"); - fprintf(out, " the result is the logical AND of both arguments.\n"); - fprintf(out, "\n"); -#if 0 - /*@@@ not implemented yet */ - fprintf(out, " --data-format=binary|text\n"); - fprintf(out, " By default a human-readable text representation of the data is displayed.\n"); - fprintf(out, " You may specify --data-format=binary to dump the raw binary form of each\n"); - fprintf(out, " metadata block. The output can be read in using a subsequent call to\n"); - fprintf(out, " "metaflac --append --from-file=..."\n"); - fprintf(out, "\n"); -#endif - fprintf(out, " --application-data-format=hexdump|text\n"); - fprintf(out, " If the application block you are displaying contains binary data but your\n"); - fprintf(out, " --data-format=text, you can display a hex dump of the application data\n"); - fprintf(out, " contents instead using --application-data-format=hexdump\n"); - fprintf(out, "\n"); -#if 0 - /*@@@ not implemented yet */ - fprintf(out, "--append\n"); - fprintf(out, " Insert a metadata block from a file. The input file must be in the same\n"); - fprintf(out, " format as generated with --list.\n"); - fprintf(out, "\n"); - fprintf(out, " --block-number=#\n"); - fprintf(out, " Specify the insertion point (defaults to last block). The new block will\n"); - fprintf(out, " be added after the given block number. This prevents the illegal insertion\n"); - fprintf(out, " of a block before the first STREAMINFO block. You may not --append another\n"); - fprintf(out, " STREAMINFO block.\n"); - fprintf(out, "\n"); - fprintf(out, " --from-file=filename\n"); - fprintf(out, " Mandatory 'option' to specify the input file containing the block contents.\n"); - fprintf(out, "\n"); - fprintf(out, " --data-format=binary|text\n"); - fprintf(out, " By default the block contents are assumed to be in binary format. You can\n"); - fprintf(out, " override this by specifying --data-format=text\n"); - fprintf(out, "\n"); -#endif - fprintf(out, "--remove\n"); - fprintf(out, " Remove one or more metadata blocks from the metadata. Unless\n"); - fprintf(out, " --dont-use-padding is specified, the blocks will be replaced with padding.\n"); - fprintf(out, " You may not remove the STREAMINFO block.\n"); - fprintf(out, "\n"); - fprintf(out, " --block-number=#[,#[...]]\n"); - fprintf(out, " --block-type=type[,type[...]]\n"); - fprintf(out, " --except-block-type=type[,type[...]]\n"); - fprintf(out, " See --list above for usage.\n"); - fprintf(out, "\n"); - fprintf(out, " NOTE: if both --block-number and --[except-]block-type are specified,\n"); - fprintf(out, " the result is the logical AND of both arguments.\n"); - fprintf(out, "\n"); - fprintf(out, "--remove-all\n"); - fprintf(out, " Remove all metadata blocks (except the STREAMINFO block) from the\n"); - fprintf(out, " metadata. Unless --dont-use-padding is specified, the blocks will be\n"); - fprintf(out, " replaced with padding.\n"); - fprintf(out, "\n"); - fprintf(out, "--merge-padding\n"); - fprintf(out, " Merge adjacent PADDING blocks into single blocks.\n"); - fprintf(out, "\n"); - fprintf(out, "--sort-padding\n"); - fprintf(out, " Move all PADDING blocks to the end of the metadata and merge them into a\n"); - fprintf(out, " single block.\n"); - - return message? 1 : 0; -} - -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; -} - -FLAC__bool parse_md5(const char *src, FLAC__byte dest[16]) -{ - unsigned i, d; - int c; - FLAC__ASSERT(0 != src); - if(strlen(src) != 32) - return false; - /* strtoul() accepts negative numbers which we do not want, so we do it the hard way */ - for(i = 0; i < 16; i++) { - c = (int)(*src++); - if(isdigit(c)) - d = (unsigned)(c - '0'); - else if(c >= 'a' && c <= 'f') - d = (unsigned)(c - 'a') + 10u; - else if(c >= 'A' && c <= 'F') - d = (unsigned)(c - 'A') + 10u; - else - return false; - d <<= 4; - c = (int)(*src++); - if(isdigit(c)) - d |= (unsigned)(c - '0'); - else if(c >= 'a' && c <= 'f') - d |= (unsigned)(c - 'a') + 10u; - else if(c >= 'A' && c <= 'F') - d |= (unsigned)(c - 'A') + 10u; - else - return false; - dest[i] = (FLAC__byte)d; - } - return true; -} - -FLAC__bool parse_uint32(const char *src, FLAC__uint32 *dest) -{ - FLAC__ASSERT(0 != src); - if(strlen(src) == 0 || strspn(src, "0123456789") != strlen(src)) - return false; - *dest = strtoul(src, 0, 10); - return true; -} - -/* There's no stroull() in MSVC6 so we just write a specialized one */ -static FLAC__uint64 local__strtoull(const char *src) -{ - FLAC__uint64 ret = 0; - int c; - FLAC__ASSERT(0 != src); - while(0 != (c = *src++)) { - c -= '0'; - if(c >= 0 && c <= 9) - ret = (ret * 10) + c; - else - break; - } - return ret; -} - -FLAC__bool parse_uint64(const char *src, FLAC__uint64 *dest) -{ - FLAC__ASSERT(0 != src); - if(strlen(src) == 0 || strspn(src, "0123456789") != strlen(src)) - return false; - *dest = local__strtoull(src); - return true; -} - -FLAC__bool parse_filename(const char *src, char **dest) -{ - if(0 == src || strlen(src) == 0) - return false; - *dest = strdup(src); - return true; -} - -FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation) -{ - static const char * const violations[] = { - "field name contains invalid character", - "field contains no '=' character" - }; - - char *p, *q, *s; - - if(0 != field) - *field = local_strdup(field_ref); - - s = local_strdup(field_ref); - - if(0 == (p = strchr(s, '='))) { - free(s); - *violation = violations[1]; - return false; - } - *p++ = '\0'; - - for(q = s; *q; q++) { - if(*q < 0x20 || *q > 0x7d || *q == 0x3d) { - free(s); - *violation = violations[0]; - return false; - } - } - - *name = local_strdup(s); - *value = local_strdup(p); - *length = strlen(p); - - free(s); - return true; -} - -static FLAC__bool parse_vorbis_comment_field_name(const char *field_ref, char **name, const char **violation) -{ - static const char * const violations[] = { - "field name contains invalid character" - }; - - char *q, *s; - - s = local_strdup(field_ref); - - for(q = s; *q; q++) { - if(*q < 0x20 || *q > 0x7d || *q == 0x3d) { - free(s); - *violation = violations[0]; - return false; - } - } - - *name = s; - - return true; -} - -FLAC__bool parse_add_padding(const char *in, unsigned *out) -{ - *out = (unsigned)strtoul(in, 0, 10); - return *out < (1u << FLAC__STREAM_METADATA_LENGTH_LEN); -} - -FLAC__bool parse_block_number(const char *in, Argument_BlockNumber *out) -{ - char *p, *q, *s, *end; - long i; - unsigned entry; - - if(*in == '\0') - return false; - - s = local_strdup(in); - - /* first count the entries */ - for(out->num_entries = 1, p = strchr(s, ','); p; out->num_entries++, p = strchr(++p, ',')) - ; - - /* make space */ - FLAC__ASSERT(out->num_entries > 0); - if(0 == (out->entries = malloc(sizeof(unsigned) * out->num_entries))) - die("out of memory allocating space for option list"); - - /* load 'em up */ - entry = 0; - q = s; - while(q) { - FLAC__ASSERT(entry < out->num_entries); - if(0 != (p = strchr(q, ','))) - *p++ = '\0'; - if(!isdigit((int)(*q)) || (i = strtol(q, &end, 10)) < 0 || *end) { - free(s); - return false; - } - out->entries[entry++] = (unsigned)i; - q = p; - } - FLAC__ASSERT(entry == out->num_entries); - - free(s); - return true; -} - -FLAC__bool parse_block_type(const char *in, Argument_BlockType *out) -{ - char *p, *q, *r, *s; - unsigned entry; - - if(*in == '\0') - return false; - - s = local_strdup(in); - - /* first count the entries */ - for(out->num_entries = 1, p = strchr(s, ','); p; out->num_entries++, p = strchr(++p, ',')) - ; - - /* make space */ - FLAC__ASSERT(out->num_entries > 0); - if(0 == (out->entries = malloc(sizeof(Argument_BlockTypeEntry) * out->num_entries))) - die("out of memory allocating space for option list"); - - /* load 'em up */ - entry = 0; - q = s; - while(q) { - FLAC__ASSERT(entry < out->num_entries); - if(0 != (p = strchr(q, ','))) - *p++ = 0; - r = strchr(q, ':'); - if(r) - *r++ = '\0'; - if(0 != r && 0 != strcmp(q, "APPLICATION")) { - free(s); - return false; - } - if(0 == strcmp(q, "STREAMINFO")) { - out->entries[entry++].type = FLAC__METADATA_TYPE_STREAMINFO; - } - else if(0 == strcmp(q, "PADDING")) { - out->entries[entry++].type = FLAC__METADATA_TYPE_PADDING; - } - else if(0 == strcmp(q, "APPLICATION")) { - out->entries[entry].type = FLAC__METADATA_TYPE_APPLICATION; - out->entries[entry].filter_application_by_id = (0 != r); - if(0 != r) { - if(strlen(r) == 4) { - strcpy(out->entries[entry].application_id, r); - } - else if(strlen(r) == 10 && strncmp(r, "0x", 2) == 0 && strspn(r+2, "0123456789ABCDEFabcdef") == 8) { - FLAC__uint32 x = strtoul(r+2, 0, 16); - out->entries[entry].application_id[3] = (FLAC__byte)(x & 0xff); - out->entries[entry].application_id[2] = (FLAC__byte)((x>>=8) & 0xff); - out->entries[entry].application_id[1] = (FLAC__byte)((x>>=8) & 0xff); - out->entries[entry].application_id[0] = (FLAC__byte)((x>>=8) & 0xff); - } - else { - free(s); - return false; - } - } - entry++; - } - else if(0 == strcmp(q, "SEEKTABLE")) { - out->entries[entry++].type = FLAC__METADATA_TYPE_SEEKTABLE; - } - else if(0 == strcmp(q, "VORBIS_COMMENT")) { - out->entries[entry++].type = FLAC__METADATA_TYPE_VORBIS_COMMENT; - } - else { - free(s); - return false; - } - q = p; - } - FLAC__ASSERT(entry == out->num_entries); - - free(s); - return true; -} - -FLAC__bool parse_data_format(const char *in, Argument_DataFormat *out) -{ - if(0 == strcmp(in, "binary")) - out->is_binary = true; - else if(0 == strcmp(in, "text")) - out->is_binary = false; else - return false; - return true; -} - -FLAC__bool parse_application_data_format(const char *in, FLAC__bool *out) -{ - if(0 == strcmp(in, "hexdump")) - *out = true; - else if(0 == strcmp(in, "text")) - *out = false; - else - return false; - return true; -} - -FLAC__bool do_operations(const CommandLineOptions *options) -{ - FLAC__bool ok = true; + ret = 1; - if(options->show_long_help) { - long_usage(0); - } - if(options->show_version) { - show_version(); - } - else if(options->args.checks.num_major_ops > 0) { - FLAC__ASSERT(options->args.checks.num_shorthand_ops == 0); - FLAC__ASSERT(options->args.checks.num_major_ops == 1); - FLAC__ASSERT(options->args.checks.num_major_ops == options->ops.num_operations); - ok = do_major_operation(options); - } - else if(options->args.checks.num_shorthand_ops > 0) { - FLAC__ASSERT(options->args.checks.num_shorthand_ops == options->ops.num_operations); - ok = do_shorthand_operations(options); - } - - return ok; -} - -FLAC__bool do_major_operation(const CommandLineOptions *options) -{ - unsigned i; - FLAC__bool ok = true; - - /*@@@ to die after first error, v--- add '&& ok' here */ - for(i = 0; i < options->num_files; i++) - ok &= do_major_operation_on_file(options->filenames[i], options); - - return ok; -} - -FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options) -{ - FLAC__bool ok = true, needs_write = false; - FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new(); - - if(0 == chain) - die("out of memory allocating chain"); - - if(!FLAC__metadata_chain_read(chain, filename)) { - fprintf(stderr, "%s: ERROR: reading metadata, status = \"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]); - return false; - } - - switch(options->ops.operations[0].type) { - case OP__LIST: - ok = do_major_operation__list(options->prefix_with_filename? filename : 0, chain, options); - break; - case OP__APPEND: - ok = do_major_operation__append(chain, options); - needs_write = true; - break; - case OP__REMOVE: - ok = do_major_operation__remove(chain, options); - needs_write = true; - break; - case OP__REMOVE_ALL: - ok = do_major_operation__remove_all(chain, options); - needs_write = true; - break; - case OP__MERGE_PADDING: - FLAC__metadata_chain_merge_padding(chain); - needs_write = true; - break; - case OP__SORT_PADDING: - FLAC__metadata_chain_sort_padding(chain); - needs_write = true; - break; - default: - FLAC__ASSERT(0); - return false; - } - - if(ok && needs_write) { - if(options->use_padding) - FLAC__metadata_chain_sort_padding(chain); - ok = FLAC__metadata_chain_write(chain, options->use_padding, options->preserve_modtime); - if(!ok) - fprintf(stderr, "%s: ERROR: writing FLAC file, error = %s\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]); - } - - FLAC__metadata_chain_delete(chain); - - return ok; -} - -FLAC__bool do_major_operation__list(const char *filename, FLAC__Metadata_Chain *chain, const CommandLineOptions *options) -{ - FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); - FLAC__StreamMetadata *block; - FLAC__bool ok = true; - unsigned block_number; - - if(0 == iterator) - die("out of memory allocating iterator"); - - FLAC__metadata_iterator_init(iterator, chain); - - block_number = 0; - do { - block = FLAC__metadata_iterator_get_block(iterator); - ok &= (0 != block); - if(!ok) - fprintf(stderr, "%s: ERROR: couldn't get block from chain\n", filename); - else if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number)) - write_metadata(filename, block, block_number, !options->utf8_convert, options->application_data_format_is_hexdump); - block_number++; - } while(ok && FLAC__metadata_iterator_next(iterator)); - - FLAC__metadata_iterator_delete(iterator); - - return ok; -} - -FLAC__bool do_major_operation__append(FLAC__Metadata_Chain *chain, const CommandLineOptions *options) -{ - (void) chain, (void) options; - fprintf(stderr, "ERROR: --append not implemented yet\n"); /*@@@*/ - return false; -} - -FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const CommandLineOptions *options) -{ - FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); - FLAC__bool ok = true; - unsigned block_number; - - if(0 == iterator) - die("out of memory allocating iterator"); - - FLAC__metadata_iterator_init(iterator, chain); - - block_number = 0; - while(ok && FLAC__metadata_iterator_next(iterator)) { - block_number++; - if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number)) { - ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding); - if(options->use_padding) - ok &= FLAC__metadata_iterator_next(iterator); - } - } - - FLAC__metadata_iterator_delete(iterator); - - return ok; -} - -FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const CommandLineOptions *options) -{ - FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); - FLAC__bool ok = true; - - if(0 == iterator) - die("out of memory allocating iterator"); - - FLAC__metadata_iterator_init(iterator, chain); - - while(ok && FLAC__metadata_iterator_next(iterator)) { - ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding); - if(options->use_padding) - ok &= FLAC__metadata_iterator_next(iterator); - } - - FLAC__metadata_iterator_delete(iterator); - - return ok; -} - -FLAC__bool do_shorthand_operations(const CommandLineOptions *options) -{ - unsigned i; - FLAC__bool ok = true; - - /* to die after first error, v--- add '&& ok' here */ - for(i = 0; i < options->num_files; i++) - ok &= do_shorthand_operations_on_file(options->filenames[i], options); - - /* check if OP__ADD_REPLAY_GAIN requested */ - if(ok && options->num_files > 0) { - for(i = 0; i < options->ops.num_operations; i++) { - if(options->ops.operations[i].type == OP__ADD_REPLAY_GAIN) - ok = do_shorthand_operation__add_replay_gain(options->filenames, options->num_files, options->preserve_modtime); - } - } - - return ok; -} - -FLAC__bool do_shorthand_operations_on_file(const char *filename, const CommandLineOptions *options) -{ - unsigned i; - FLAC__bool ok = true, needs_write = false, use_padding = options->use_padding; - FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new(); - - if(0 == chain) - die("out of memory allocating chain"); - - if(!FLAC__metadata_chain_read(chain, filename)) { - fprintf(stderr, "%s: ERROR: reading metadata, status = \"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]); - return false; - } - - for(i = 0; i < options->ops.num_operations && ok; i++) { - ok &= do_shorthand_operation(options->prefix_with_filename? filename : 0, chain, &options->ops.operations[i], &needs_write, options->utf8_convert); - - /* The following seems counterintuitive but the meaning - * of 'use_padding' is 'try to keep the overall metadata - * to its original size, adding or truncating extra - * padding if necessary' which is why we need to turn it - * off in this case. If we don't, the extra padding block - * will just be truncated. - */ - if(options->ops.operations[i].type == OP__ADD_PADDING) - use_padding = false; - } - - if(ok && needs_write) { - if(use_padding) - FLAC__metadata_chain_sort_padding(chain); - ok = FLAC__metadata_chain_write(chain, use_padding, options->preserve_modtime); - if(!ok) - fprintf(stderr, "%s: ERROR: writing FLAC file, error = %s\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]); - } - - FLAC__metadata_chain_delete(chain); - - return ok; -} - -FLAC__bool do_shorthand_operation(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool utf8_convert) -{ - FLAC__bool ok = true; - - switch(operation->type) { - case OP__SHOW_MD5SUM: - case OP__SHOW_MIN_BLOCKSIZE: - case OP__SHOW_MAX_BLOCKSIZE: - case OP__SHOW_MIN_FRAMESIZE: - case OP__SHOW_MAX_FRAMESIZE: - case OP__SHOW_SAMPLE_RATE: - case OP__SHOW_CHANNELS: - case OP__SHOW_BPS: - case OP__SHOW_TOTAL_SAMPLES: - case OP__SET_MD5SUM: - case OP__SET_MIN_BLOCKSIZE: - case OP__SET_MAX_BLOCKSIZE: - case OP__SET_MIN_FRAMESIZE: - case OP__SET_MAX_FRAMESIZE: - case OP__SET_SAMPLE_RATE: - case OP__SET_CHANNELS: - case OP__SET_BPS: - case OP__SET_TOTAL_SAMPLES: - ok = do_shorthand_operation__streaminfo(filename, chain, operation, needs_write); - break; - case OP__SHOW_VC_VENDOR: - case OP__SHOW_VC_FIELD: - case OP__REMOVE_VC_ALL: - case OP__REMOVE_VC_FIELD: - case OP__REMOVE_VC_FIRSTFIELD: - case OP__SET_VC_FIELD: - case OP__IMPORT_VC_FROM: - case OP__EXPORT_VC_TO: - ok = do_shorthand_operation__vorbis_comment(filename, chain, operation, needs_write, !utf8_convert); - break; - case OP__ADD_REPLAY_GAIN: - /* this command is always executed last */ - ok = true; - break; - case OP__ADD_PADDING: - ok = do_shorthand_operation__add_padding(filename, chain, operation->argument.add_padding.length, needs_write); - break; - default: - ok = false; - FLAC__ASSERT(0); - break; - }; - - return ok; -} - -FLAC__bool do_shorthand_operation__add_replay_gain(char **filenames, unsigned num_files, FLAC__bool preserve_modtime) -{ - FLAC__StreamMetadata streaminfo; - float *title_gains = 0, *title_peaks = 0; - float album_gain, album_peak; - unsigned sample_rate = 0; - unsigned bits_per_sample = 0; - unsigned channels = 0; - unsigned i; - const char *error; - FLAC__bool first = true; - - FLAC__ASSERT(num_files > 0); - - for(i = 0; i < num_files; i++) { - FLAC__ASSERT(0 != filenames[i]); - if(!FLAC__metadata_get_streaminfo(filenames[i], &streaminfo)) { - fprintf(stderr, "%s: ERROR: can't open file or get STREAMINFO block\n", filenames[i]); - return false; - } - if(first) { - first = false; - sample_rate = streaminfo.data.stream_info.sample_rate; - bits_per_sample = streaminfo.data.stream_info.bits_per_sample; - channels = streaminfo.data.stream_info.channels; - } - else { - if(sample_rate != streaminfo.data.stream_info.sample_rate) { - fprintf(stderr, "%s: ERROR: sample rate of %u Hz does not match previous files' %u Hz\n", filenames[i], streaminfo.data.stream_info.sample_rate, sample_rate); - return false; - } - if(bits_per_sample != streaminfo.data.stream_info.bits_per_sample) { - fprintf(stderr, "%s: ERROR: resolution of %u bps does not match previous files' %u bps\n", filenames[i], streaminfo.data.stream_info.bits_per_sample, bits_per_sample); - return false; - } - if(channels != streaminfo.data.stream_info.channels) { - fprintf(stderr, "%s: ERROR: # channels (%u) does not match previous files' (%u)\n", filenames[i], streaminfo.data.stream_info.channels, channels); - return false; - } - } - if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) { - fprintf(stderr, "%s: ERROR: sample rate of %u Hz is not supported\n", filenames[i], sample_rate); - return false; - } - if(channels != 1 && channels != 2) { - fprintf(stderr, "%s: ERROR: # of channels (%u) is not supported, must be 1 or 2\n", filenames[i], channels); - return false; - } - } - FLAC__ASSERT(bits_per_sample >= FLAC__MIN_BITS_PER_SAMPLE && bits_per_sample <= FLAC__MAX_BITS_PER_SAMPLE); - - if(!grabbag__replaygain_init(sample_rate)) - FLAC__ASSERT(0); - - if( - 0 == (title_gains = (float*)malloc(sizeof(float) * num_files)) || - 0 == (title_peaks = (float*)malloc(sizeof(float) * num_files)) - ) - die("out of memory allocating space for title gains/peaks"); - - for(i = 0; i < num_files; i++) { - if(0 != (error = grabbag__replaygain_analyze_file(filenames[i], title_gains+i, title_peaks+i))) { - fprintf(stderr, "%s: ERROR: during analysis (%s)\n", filenames[i], error); - free(title_gains); - free(title_peaks); - return false; - } - } - grabbag__replaygain_get_album(&album_gain, &album_peak); - - for(i = 0; i < num_files; i++) { - if(0 != (error = grabbag__replaygain_store_to_file(filenames[i], album_gain, album_peak, title_gains[i], title_peaks[i], preserve_modtime))) { - fprintf(stderr, "%s: ERROR: writing tags (%s)\n", filenames[i], error); - free(title_gains); - free(title_peaks); - return false; - } - } - - free(title_gains); - free(title_peaks); - return true; -} - -FLAC__bool do_shorthand_operation__add_padding(const char *filename, FLAC__Metadata_Chain *chain, unsigned length, FLAC__bool *needs_write) -{ - FLAC__StreamMetadata *padding = 0; - FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); - - if(0 == iterator) - die("out of memory allocating iterator"); - - FLAC__metadata_iterator_init(iterator, chain); - - while(FLAC__metadata_iterator_next(iterator)) - ; - - padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING); - if(0 == padding) - die("out of memory allocating PADDING block"); - - padding->length = length; - - if(!FLAC__metadata_iterator_insert_block_after(iterator, padding)) { - fprintf(stderr, "%s: ERROR: adding new PADDING block to metadata, status =\"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]); - FLAC__metadata_object_delete(padding); - FLAC__metadata_iterator_delete(iterator); - return false; - } - - FLAC__metadata_iterator_delete(iterator); - *needs_write = true; - return true; -} - -FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write) -{ - unsigned i; - FLAC__bool ok = true; - FLAC__StreamMetadata *block; - FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); - - if(0 == iterator) - die("out of memory allocating iterator"); - - FLAC__metadata_iterator_init(iterator, chain); - - block = FLAC__metadata_iterator_get_block(iterator); - - FLAC__ASSERT(0 != block); - FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO); - - if(0 != filename) - printf("%s:", filename); - - switch(operation->type) { - case OP__SHOW_MD5SUM: - for(i = 0; i < 16; i++) - printf("%02x", block->data.stream_info.md5sum[i]); - printf("\n"); - break; - case OP__SHOW_MIN_BLOCKSIZE: - printf("%u\n", block->data.stream_info.min_blocksize); - break; - case OP__SHOW_MAX_BLOCKSIZE: - printf("%u\n", block->data.stream_info.max_blocksize); - break; - case OP__SHOW_MIN_FRAMESIZE: - printf("%u\n", block->data.stream_info.min_framesize); - break; - case OP__SHOW_MAX_FRAMESIZE: - printf("%u\n", block->data.stream_info.max_framesize); - break; - case OP__SHOW_SAMPLE_RATE: - printf("%u\n", block->data.stream_info.sample_rate); - break; - case OP__SHOW_CHANNELS: - printf("%u\n", block->data.stream_info.channels); - break; - case OP__SHOW_BPS: - printf("%u\n", block->data.stream_info.bits_per_sample); - break; - case OP__SHOW_TOTAL_SAMPLES: - printf("%llu\n", block->data.stream_info.total_samples); - break; - case OP__SET_MD5SUM: - memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16); - *needs_write = true; - break; - case OP__SET_MIN_BLOCKSIZE: - block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value; - *needs_write = true; - break; - case OP__SET_MAX_BLOCKSIZE: - block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value; - *needs_write = true; - break; - case OP__SET_MIN_FRAMESIZE: - block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value; - *needs_write = true; - break; - case OP__SET_MAX_FRAMESIZE: - block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value; - *needs_write = true; - break; - case OP__SET_SAMPLE_RATE: - block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value; - *needs_write = true; - break; - case OP__SET_CHANNELS: - block->data.stream_info.channels = operation->argument.streaminfo_uint32.value; - *needs_write = true; - break; - case OP__SET_BPS: - block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value; - *needs_write = true; - break; - case OP__SET_TOTAL_SAMPLES: - block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value; - *needs_write = true; - break; - default: - ok = false; - FLAC__ASSERT(0); - break; - }; - - FLAC__metadata_iterator_delete(iterator); - - return ok; -} - -FLAC__bool do_shorthand_operation__vorbis_comment(const char *filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write, FLAC__bool raw) -{ - FLAC__bool ok = true, found_vc_block = false; - FLAC__StreamMetadata *block = 0; - FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new(); - - if(0 == iterator) - die("out of memory allocating iterator"); - - FLAC__metadata_iterator_init(iterator, chain); - - do { - block = FLAC__metadata_iterator_get_block(iterator); - if(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) - found_vc_block = true; - } while(!found_vc_block && FLAC__metadata_iterator_next(iterator)); - - if(!found_vc_block) { - /* create a new block if necessary */ - if(operation->type == OP__SET_VC_FIELD || operation->type == OP__IMPORT_VC_FROM) { - block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT); - if(0 == block) - die("out of memory allocating VORBIS_COMMENT block"); - while(FLAC__metadata_iterator_next(iterator)) - ; - if(!FLAC__metadata_iterator_insert_block_after(iterator, block)) { - fprintf(stderr, "%s: ERROR: adding new VORBIS_COMMENT block to metadata, status =\"%s\"\n", filename, FLAC__Metadata_ChainStatusString[FLAC__metadata_chain_status(chain)]); - return false; - } - /* iterator is left pointing to new block */ - FLAC__ASSERT(FLAC__metadata_iterator_get_block(iterator) == block); - } - else { - FLAC__metadata_iterator_delete(iterator); - return ok; - } - } - - FLAC__ASSERT(0 != block); - FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); - - switch(operation->type) { - case OP__SHOW_VC_VENDOR: - write_vc_field(filename, &block->data.vorbis_comment.vendor_string, raw, stdout); - break; - case OP__SHOW_VC_FIELD: - write_vc_fields(filename, operation->argument.vc_field_name.value, block->data.vorbis_comment.comments, block->data.vorbis_comment.num_comments, raw, stdout); - break; - case OP__REMOVE_VC_ALL: - ok = remove_vc_all(filename, block, needs_write); - break; - case OP__REMOVE_VC_FIELD: - ok = remove_vc_field(filename, block, operation->argument.vc_field_name.value, needs_write); - break; - case OP__REMOVE_VC_FIRSTFIELD: - ok = remove_vc_firstfield(filename, block, operation->argument.vc_field_name.value, needs_write); - break; - case OP__SET_VC_FIELD: - ok = set_vc_field(filename, block, &operation->argument.vc_field, needs_write, raw); - break; - case OP__IMPORT_VC_FROM: - ok = import_vc_from(filename, block, &operation->argument.vc_filename, needs_write, raw); - break; - case OP__EXPORT_VC_TO: - ok = export_vc_to(filename, block, &operation->argument.vc_filename, raw); - break; - default: - ok = false; - FLAC__ASSERT(0); - break; - }; - - FLAC__metadata_iterator_delete(iterator); - return ok; -} - -FLAC__bool passes_filter(const CommandLineOptions *options, const FLAC__StreamMetadata *block, unsigned block_number) -{ - unsigned i, j; - FLAC__bool matches_number = false, matches_type = false; - FLAC__bool has_block_number_arg = false; - - for(i = 0; i < options->args.num_arguments; i++) { - if(options->args.arguments[i].type == ARG__BLOCK_TYPE || options->args.arguments[i].type == ARG__EXCEPT_BLOCK_TYPE) { - for(j = 0; j < options->args.arguments[i].value.block_type.num_entries; j++) { - if(options->args.arguments[i].value.block_type.entries[j].type == block->type) { - if(block->type != FLAC__METADATA_TYPE_APPLICATION || !options->args.arguments[i].value.block_type.entries[j].filter_application_by_id || 0 == memcmp(options->args.arguments[i].value.block_type.entries[j].application_id, block->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8)) - matches_type = true; - } - } - } - else if(options->args.arguments[i].type == ARG__BLOCK_NUMBER) { - has_block_number_arg = true; - for(j = 0; j < options->args.arguments[i].value.block_number.num_entries; j++) { - if(options->args.arguments[i].value.block_number.entries[j] == block_number) - matches_number = true; - } - } - } - - if(!has_block_number_arg) - matches_number = true; - - if(options->args.checks.has_block_type) { - FLAC__ASSERT(!options->args.checks.has_except_block_type); - } - else if(options->args.checks.has_except_block_type) - matches_type = !matches_type; - else - matches_type = true; - - return matches_number && matches_type; -} - -void write_metadata(const char *filename, FLAC__StreamMetadata *block, unsigned block_number, FLAC__bool raw, FLAC__bool hexdump_application) -{ - unsigned i; - -/*@@@ yuck, should do this with a varargs function or something: */ -#define PPR if(filename)printf("%s:",filename); - PPR; printf("METADATA block #%u\n", block_number); - PPR; printf(" type: %u (%s)\n", (unsigned)block->type, block->type<=FLAC__METADATA_TYPE_VORBIS_COMMENT? FLAC__MetadataTypeString[block->type] : "UNKNOWN"); - PPR; printf(" is last: %s\n", block->is_last? "true":"false"); - PPR; printf(" length: %u\n", block->length); - - switch(block->type) { - case FLAC__METADATA_TYPE_STREAMINFO: - PPR; printf(" minumum blocksize: %u samples\n", block->data.stream_info.min_blocksize); - PPR; printf(" maximum blocksize: %u samples\n", block->data.stream_info.max_blocksize); - PPR; printf(" minimum framesize: %u bytes\n", block->data.stream_info.min_framesize); - PPR; printf(" maximum framesize: %u bytes\n", block->data.stream_info.max_framesize); - PPR; printf(" sample_rate: %u Hz\n", block->data.stream_info.sample_rate); - PPR; printf(" channels: %u\n", block->data.stream_info.channels); - PPR; printf(" bits-per-sample: %u\n", block->data.stream_info.bits_per_sample); - PPR; printf(" total samples: %llu\n", block->data.stream_info.total_samples); - PPR; printf(" MD5 signature: "); - for(i = 0; i < 16; i++) { - printf("%02x", (unsigned)block->data.stream_info.md5sum[i]); - } - printf("\n"); - break; - case FLAC__METADATA_TYPE_PADDING: - /* nothing to print */ - break; - case FLAC__METADATA_TYPE_APPLICATION: - PPR; printf(" application ID: "); - for(i = 0; i < 4; i++) { - PPR; printf("%02x", block->data.application.id[i]); - } - PPR; printf("\n"); - PPR; printf(" data contents:\n"); - if(0 != block->data.application.data) { - if(hexdump_application) - hexdump(filename, block->data.application.data, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, " "); - else - (void) fwrite(block->data.application.data, 1, block->length - FLAC__STREAM_METADATA_HEADER_LENGTH, stdout); - } - break; - case FLAC__METADATA_TYPE_SEEKTABLE: - PPR; printf(" seek points: %u\n", block->data.seek_table.num_points); - for(i = 0; i < block->data.seek_table.num_points; i++) { - if(block->data.seek_table.points[i].sample_number != FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER) { - PPR; printf(" point %d: sample_number=%llu, stream_offset=%llu, frame_samples=%u\n", i, block->data.seek_table.points[i].sample_number, block->data.seek_table.points[i].stream_offset, block->data.seek_table.points[i].frame_samples); - } - else { - PPR; printf(" point %d: PLACEHOLDER\n", i); - } - } - break; - case FLAC__METADATA_TYPE_VORBIS_COMMENT: - PPR; printf(" vendor string: "); - write_vc_field(0, &block->data.vorbis_comment.vendor_string, raw, stdout); - PPR; printf(" comments: %u\n", block->data.vorbis_comment.num_comments); - for(i = 0; i < block->data.vorbis_comment.num_comments; i++) { - PPR; printf(" comment[%u]: ", i); - write_vc_field(0, &block->data.vorbis_comment.comments[i], raw, stdout); - } - break; - default: - PPR; printf("SKIPPING block of unknown type\n"); - break; - } -#undef PPR -} - -void write_vc_field(const char *filename, const FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__bool raw, FILE *f) -{ - if(0 != entry->entry) { - if(filename) - fprintf(f, "%s:", filename); - - if(!raw) { - /* - * utf8_decode() works on NULL-terminated strings, so - * we append a null to the entry. @@@ Note, this means - * that comments that contain an embedded null will be - * truncated by utf_decode(). - */ - char *terminated, *converted; - - if(0 == (terminated = malloc(entry->length + 1))) - die("out of memory allocating space for vorbis comment"); - memcpy(terminated, entry->entry, entry->length); - terminated[entry->length] = '\0'; - if(utf8_decode(terminated, &converted) >= 0) { - (void) fwrite(converted, 1, strlen(converted), f); - free(terminated); - free(converted); - } - else { - free(terminated); - (void) fwrite(entry->entry, 1, entry->length, f); - } - } - else { - (void) fwrite(entry->entry, 1, entry->length, f); - } - } - - fprintf(f, "\n"); -} - -void write_vc_fields(const char *filename, const char *field_name, const FLAC__StreamMetadata_VorbisComment_Entry entry[], unsigned num_entries, FLAC__bool raw, FILE *f) -{ - unsigned i; - const unsigned field_name_length = (0 != field_name)? strlen(field_name) : 0; - - for(i = 0; i < num_entries; i++) { - if(0 == field_name || FLAC__metadata_object_vorbiscomment_entry_matches(entry + i, field_name, field_name_length)) - write_vc_field(filename, entry + i, raw, f); - } -} - -FLAC__bool remove_vc_all(const char *filename, FLAC__StreamMetadata *block, FLAC__bool *needs_write) -{ - FLAC__ASSERT(0 != block); - FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); - FLAC__ASSERT(0 != needs_write); - - if(0 != block->data.vorbis_comment.comments) { - FLAC__ASSERT(block->data.vorbis_comment.num_comments > 0); - if(!FLAC__metadata_object_vorbiscomment_resize_comments(block, 0)) { - fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); - return false; - } - *needs_write = true; - } - else { - FLAC__ASSERT(block->data.vorbis_comment.num_comments == 0); - } - - return true; -} - -FLAC__bool remove_vc_field(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write) -{ - int n; - - FLAC__ASSERT(0 != needs_write); - - n = FLAC__metadata_object_vorbiscomment_remove_entries_matching(block, field_name); - - if(n < 0) { - fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); - return false; - } - else if(n > 0) - *needs_write = true; - - return true; -} - -FLAC__bool remove_vc_firstfield(const char *filename, FLAC__StreamMetadata *block, const char *field_name, FLAC__bool *needs_write) -{ - int n; - - FLAC__ASSERT(0 != needs_write); - - n = FLAC__metadata_object_vorbiscomment_remove_entry_matching(block, field_name); - - if(n < 0) { - fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); - return false; - } - else if(n > 0) - *needs_write = true; - - return true; -} - -FLAC__bool set_vc_field(const char *filename, FLAC__StreamMetadata *block, const Argument_VcField *field, FLAC__bool *needs_write, FLAC__bool raw) -{ - FLAC__StreamMetadata_VorbisComment_Entry entry; - char *converted; - FLAC__bool needs_free = false; - - FLAC__ASSERT(0 != block); - FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT); - FLAC__ASSERT(0 != field); - FLAC__ASSERT(0 != needs_write); - - if(raw) { - entry.entry = field->field; - } - else if(utf8_encode(field->field, &converted) >= 0) { - entry.entry = converted; - needs_free = true; - } - else { - fprintf(stderr, "%s: ERROR: couldn't convert comment to UTF-8\n", filename); - return false; - } - - entry.length = strlen(entry.entry); - - if(!FLAC__metadata_object_vorbiscomment_insert_comment(block, block->data.vorbis_comment.num_comments, entry, /*copy=*/true)) { - if(needs_free) - free(converted); - fprintf(stderr, "%s: ERROR: memory allocation failure\n", filename); - return false; - } - else { - *needs_write = true; - if(needs_free) - free(converted); - return true; - } -} - -FLAC__bool import_vc_from(const char *filename, FLAC__StreamMetadata *block, const Argument_VcFilename *vc_filename, FLAC__bool *needs_write, FLAC__bool raw) -{ - FILE *f; - char line[65536]; - FLAC__bool ret; - - if(0 == vc_filename->value || strlen(vc_filename->value) == 0) { - fprintf(stderr, "%s: ERROR: empty import file name\n", filename); - return false; - } - if(0 == strcmp(vc_filename->value, "-")) - f = stdin; - else - f = fopen(vc_filename->value, "r"); - - if(0 == f) { - fprintf(stderr, "%s: ERROR: can't open import file %s\n", filename, vc_filename->value); - return false; - } - - ret = true; - while(ret && !feof(f)) { - fgets(line, sizeof(line), f); - if(!feof(f)) { - char *p = strchr(line, '\n'); - if(0 == p) { - fprintf(stderr, "%s: ERROR: line too long, aborting\n", vc_filename->value); - ret = false; - } - else { - const char *violation; - Argument_VcField field; - *p = '\0'; - memset(&field, 0, sizeof(Argument_VcField)); - if(!parse_vorbis_comment_field(line, &field.field, &field.field_name, &field.field_value, &field.field_value_length, &violation)) { - FLAC__ASSERT(0 != violation); - fprintf(stderr, "%s: ERROR: malformed vorbis comment field \"%s\",\n %s\n", vc_filename->value, line, violation); - ret = false; - } - else { - ret = set_vc_field(filename, block, &field, needs_write, raw); - } - if(0 != field.field) - free(field.field); - if(0 != field.field_name) - free(field.field_name); - if(0 != field.field_value) - free(field.field_value); - } - } - }; - - if(f != stdin) - fclose(f); - return ret; -} - -FLAC__bool export_vc_to(const char *filename, FLAC__StreamMetadata *block, const Argument_VcFilename *vc_filename, FLAC__bool raw) -{ - FILE *f; - FLAC__bool ret; - - if(0 == vc_filename->value || strlen(vc_filename->value) == 0) { - fprintf(stderr, "%s: ERROR: empty export file name\n", filename); - return false; - } - if(0 == strcmp(vc_filename->value, "-")) - f = stdout; - else - f = fopen(vc_filename->value, "w"); - - if(0 == f) { - fprintf(stderr, "%s: ERROR: can't open export file %s\n", filename, vc_filename->value); - return false; - } - - ret = true; - - write_vc_fields(0, 0, block->data.vorbis_comment.comments, block->data.vorbis_comment.num_comments, raw, f); + free_options(&options); - if(f != stdout) - fclose(f); return ret; } - -void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent) -{ - unsigned i, left = bytes; - const FLAC__byte *b = buf; - - for(i = 0; i < bytes; i += 16) { - printf("%s%s%s%08X: " - "%02X %02X %02X %02X %02X %02X %02X %02X " - "%02X %02X %02X %02X %02X %02X %02X %02X " - "%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n", - filename? filename:"", filename? ":":"", - indent, i, - left > 0? (unsigned char)b[ 0] : 0, - left > 1? (unsigned char)b[ 1] : 0, - left > 2? (unsigned char)b[ 2] : 0, - left > 3? (unsigned char)b[ 3] : 0, - left > 4? (unsigned char)b[ 4] : 0, - left > 5? (unsigned char)b[ 5] : 0, - left > 6? (unsigned char)b[ 6] : 0, - left > 7? (unsigned char)b[ 7] : 0, - left > 8? (unsigned char)b[ 8] : 0, - left > 9? (unsigned char)b[ 9] : 0, - left > 10? (unsigned char)b[10] : 0, - left > 11? (unsigned char)b[11] : 0, - left > 12? (unsigned char)b[12] : 0, - left > 13? (unsigned char)b[13] : 0, - left > 14? (unsigned char)b[14] : 0, - left > 15? (unsigned char)b[15] : 0, - (left > 0) ? (isprint(b[ 0]) ? b[ 0] : '.') : ' ', - (left > 1) ? (isprint(b[ 1]) ? b[ 1] : '.') : ' ', - (left > 2) ? (isprint(b[ 2]) ? b[ 2] : '.') : ' ', - (left > 3) ? (isprint(b[ 3]) ? b[ 3] : '.') : ' ', - (left > 4) ? (isprint(b[ 4]) ? b[ 4] : '.') : ' ', - (left > 5) ? (isprint(b[ 5]) ? b[ 5] : '.') : ' ', - (left > 6) ? (isprint(b[ 6]) ? b[ 6] : '.') : ' ', - (left > 7) ? (isprint(b[ 7]) ? b[ 7] : '.') : ' ', - (left > 8) ? (isprint(b[ 8]) ? b[ 8] : '.') : ' ', - (left > 9) ? (isprint(b[ 9]) ? b[ 9] : '.') : ' ', - (left > 10) ? (isprint(b[10]) ? b[10] : '.') : ' ', - (left > 11) ? (isprint(b[11]) ? b[11] : '.') : ' ', - (left > 12) ? (isprint(b[12]) ? b[12] : '.') : ' ', - (left > 13) ? (isprint(b[13]) ? b[13] : '.') : ' ', - (left > 14) ? (isprint(b[14]) ? b[14] : '.') : ' ', - (left > 15) ? (isprint(b[15]) ? b[15] : '.') : ' ' - ); - left -= 16; - b += 16; - } -} - -void undocumented_warning(const char *opt) -{ - fprintf(stderr, "WARNING: undocmented option --%s should be used with caution,\n only for repairing a damaged STREAMINFO block\n", opt); -}