/* 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
* 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.
*/
-/*
- * WATCHOUT - this is meant to be very lightweight an not even dependent
- * on libFLAC, so there are a couple places where FLAC__* variables are
- * duplicated here. Look for 'DUPLICATE:' in comments.
- */
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
-#include <ctype.h>
-#include <stdarg.h>
-#include <stdio.h>
+#include "operations.h"
+#include "options.h"
+#include <locale.h>
#include <stdlib.h>
-#include <string.h>
-#include "FLAC/all.h"
-
-static const char *sync_string_ = "fLaC"; /* DUPLICATE:FLAC__STREAM_SYNC_STRING */
-static const char *metadata_type_string_[] = { /* DUPLICATE:FLAC__MetaDataTypeString */
- "STREAMINFO",
- "PADDING",
- "APPLICATION",
- "SEEKTABLE"
-};
-static const unsigned SEEKPOINT_LEN_ = 18; /* DUPLICATE:FLAC__STREAM_METADATA_SEEKPOINT_LEN */
-
-static int usage(const char *message, ...);
-static FLAC__bool list(FILE *f, FLAC__bool verbose);
-static FLAC__uint32 unpack_uint32(FLAC__byte *b, unsigned bytes);
-static FLAC__uint64 unpack_uint64(FLAC__byte *b, unsigned bytes);
-static void hexdump(const FLAC__byte *buf, unsigned bytes, const char *indent);
int main(int argc, char *argv[])
{
- int i, first_file, retval = 0;
- FLAC__bool verbose = false, list_mode = true;
-
- if(argc <= 1)
- return usage(0);
-
- /* get the options */
- for(i = 1; i < argc; i++) {
- if(argv[i][0] != '-' || argv[i][1] == 0)
- break;
- if(0 == strcmp(argv[i], "-l"))
- list_mode = true;
- else if(0 == strcmp(argv[i], "-v"))
- verbose = true;
- else if(0 == strcmp(argv[i], "-v-"))
- verbose = false;
- else {
- return usage("ERROR: invalid option '%s'\n", argv[i]);
- }
- }
- if(i == argc)
- return usage(0);
-
- if(list_mode) {
- for(first_file = i; i < argc; i++) {
- FILE *f = fopen(argv[i], "rb");
-
- if(0 == f) {
- fprintf(stderr, "ERROR opening %s\n", argv[i]);
- retval = 1;
- }
- else {
- printf("%sfile: %s\n", i==first_file? "" : "\n", argv[i]);
-
- if(!list(f, verbose))
- retval = 1;
-
- fclose(f);
- }
- }
- }
-
- return retval;
-}
-
-int usage(const char *message, ...)
-{
- va_list args;
-
- if(message) {
- va_start(args, message);
-
- (void) vfprintf(stderr, message, args);
-
- va_end(args);
-
- }
- printf("==============================================================================\n");
- printf("metaflac - Command-line FLAC metadata editor version %s\n", FLAC__VERSION_STRING);
- printf("Copyright (C) 2001,2002 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");
- printf("Usage:\n");
- printf(" metaflac [options] flacfile [...]\n");
- printf("\n");
- printf("options:\n");
- printf(" -l : list metadata blocks\n");
- printf(" -v : verbose\n");
-
- return message? 1 : 0;
-}
-
-FLAC__bool list(FILE *f, FLAC__bool verbose)
-{
- FLAC__byte buf[65536];
- FLAC__byte *b = buf;
- FLAC__StreamMetaData metadata;
- unsigned blocknum = 0, byte_offset = 0, i;
-
- /* skip any id3v2 tag */
- if(fread(buf, 1, 4, f) < 4) {
- fprintf(stderr, "ERROR: not a FLAC file\n");
- return false;
- }
- if(0 == memcmp(buf, "ID3", 3)) {
- unsigned tag_length = 0;
-
- /* skip to the tag length */
- if(fseek(f, 2, SEEK_CUR) < 0) {
- fprintf(stderr, "ERROR: bad ID3v2 tag\n");
- return false;
- }
-
- /* read the length */
- for(i = 0; i < 4; i++) {
- if(fread(buf, 1, 1, f) < 1 || buf[0] & 0x80) {
- fprintf(stderr, "ERROR: bad ID3v2 tag\n");
- return false;
- }
- tag_length <<= 7;
- tag_length |= (buf[0] & 0x7f);
- }
-
- /* skip the rest of the tag */
- if(fseek(f, tag_length, SEEK_CUR) < 0) {
- fprintf(stderr, "ERROR: bad ID3v2 tag\n");
- return false;
- }
-
- /* read the stream sync code */
- if(fread(buf, 1, 4, f) < 4) {
- fprintf(stderr, "ERROR: not a FLAC file (no '%s' header)\n", sync_string_);
- return false;
- }
- }
-
- /* check the stream sync code */
- if(memcmp(buf, sync_string_, 4)) {
- fprintf(stderr, "ERROR: not a FLAC file (no '%s' header)\n", sync_string_);
- return false;
- }
- byte_offset += 4;
-
- /* read the metadata blocks */
- do {
- /* read the metadata block header */
- if(fread(buf, 1, 4, f) < 4) {
- fprintf(stderr, "ERROR: short count reading metadata block header\n");
- return false;
- }
- metadata.is_last = (buf[0] & 0x80)? true:false;
- metadata.type = (FLAC__MetaDataType)(buf[0] & 0x7f);
- metadata.length = unpack_uint32(buf+1, 3);
-
- /* print header */
- printf("METADATA block #%u\n", blocknum);
- printf(" byte offset: %u\n", byte_offset);
- printf(" type: %u (%s)\n", (unsigned)metadata.type, metadata.type<=FLAC__METADATA_TYPE_SEEKTABLE? metadata_type_string_[metadata.type] : "UNKNOWN");
- printf(" is last: %s\n", metadata.is_last? "true":"false");
- printf(" length: %u\n", metadata.length);
-
- if(metadata.length > sizeof(buf)) {
- printf(" SKIPPING large block\n");
- if(fseek(f, metadata.length, SEEK_CUR) < 0) {
- fprintf(stderr, "ERROR: short count skipping metadata block data\n");
- return false;
- }
- continue;
- }
-
- /* read the metadata block data */
- if(fread(buf, 1, metadata.length, f) < metadata.length) {
- fprintf(stderr, "ERROR: short count reading metadata block data\n");
- return false;
- }
- switch(metadata.type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- b = buf;
- metadata.data.stream_info.min_blocksize = unpack_uint32(b, 2); b += 2;
- metadata.data.stream_info.max_blocksize = unpack_uint32(b, 2); b += 2;
- metadata.data.stream_info.min_framesize = unpack_uint32(b, 3); b += 3;
- metadata.data.stream_info.max_framesize = unpack_uint32(b, 3); b += 3;
- metadata.data.stream_info.sample_rate = (unpack_uint32(b, 2) << 4) | ((unsigned)(b[2] & 0xf0) >> 4);
- metadata.data.stream_info.channels = (unsigned)((b[2] & 0x0e) >> 1) + 1;
- metadata.data.stream_info.bits_per_sample = ((((unsigned)(b[2] & 0x01)) << 1) | (((unsigned)(b[3] & 0xf0)) >> 4)) + 1;
- metadata.data.stream_info.total_samples = (((FLAC__uint64)(b[3] & 0x0f)) << 32) | unpack_uint64(b+4, 4);
- memcpy(metadata.data.stream_info.md5sum, b+8, 16);
- break;
- case FLAC__METADATA_TYPE_PADDING:
- if(verbose) {
- /* dump contents */
- }
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- memcpy(buf, metadata.data.application.id, 4);
- metadata.data.application.data = buf+4;
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- metadata.data.seek_table.num_points = metadata.length / SEEKPOINT_LEN_;
- b = buf; /* we leave the points in buf for printing later */
- break;
- default:
- printf("SKIPPING block of unknown type\n");
- continue;
- }
-
- /* print data */
- switch(metadata.type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- printf(" minumum blocksize: %u samples\n", metadata.data.stream_info.min_blocksize);
- printf(" maximum blocksize: %u samples\n", metadata.data.stream_info.max_blocksize);
- printf(" minimum framesize: %u bytes\n", metadata.data.stream_info.min_framesize);
- printf(" maximum framesize: %u bytes\n", metadata.data.stream_info.max_framesize);
- printf(" sample_rate: %u Hz\n", metadata.data.stream_info.sample_rate);
- printf(" channels: %u\n", metadata.data.stream_info.channels);
- printf(" bits-per-sample: %u\n", metadata.data.stream_info.bits_per_sample);
- printf(" total samples: %llu\n", metadata.data.stream_info.total_samples);
- printf(" MD5 signature: ");
- for(i = 0; i < 16; i++)
- printf("%02x", metadata.data.stream_info.md5sum[i]);
- printf("\n");
- break;
- case FLAC__METADATA_TYPE_PADDING:
- if(verbose) {
- printf(" pad contents:\n");
- hexdump(buf, metadata.length, " ");
- }
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- printf(" application ID: ");
- for(i = 0; i < 4; i++)
- printf("%02x", metadata.data.application.id[i]);
- printf("\n");
- if(verbose) {
- printf(" data contents:\n");
- hexdump(metadata.data.application.data, metadata.length, " ");
- }
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- printf(" seek points: %u\n", metadata.data.seek_table.num_points);
- if(verbose) {
- for(i = 0; i < metadata.data.seek_table.num_points; i++, b += SEEKPOINT_LEN_)
- printf(" point %d: sample_number=%llu, stream_offset=%llu, frame_samples=%u\n", i, unpack_uint64(b, 8), unpack_uint64(b+8, 8), unpack_uint32(b+16, 2));
- }
- break;
- default:
- FLAC__ASSERT(0);
- }
-
- blocknum++;
- byte_offset += (4 + metadata.length);
- } while (!metadata.is_last);
-
- return true;
-}
-
-FLAC__uint32 unpack_uint32(FLAC__byte *b, unsigned bytes)
-{
- FLAC__uint32 ret = 0;
- unsigned i;
+ CommandLineOptions options;
+ int ret = 0;
- for(i = 0; i < bytes; i++)
- ret = (ret << 8) | (FLAC__uint32)(*b++);
+#ifdef __EMX__
+ _response(&argc, &argv);
+ _wildcard(&argc, &argv);
+#endif
- return ret;
-}
+ setlocale(LC_ALL, "");
+ init_options(&options);
-FLAC__uint64 unpack_uint64(FLAC__byte *b, unsigned bytes)
-{
- FLAC__uint64 ret = 0;
- unsigned i;
+ if ((ret = parse_options(argc, argv, &options)) == 0)
+ ret = !do_operations(&options);
+ else
+ ret = 1;
- for(i = 0; i < bytes; i++)
- ret = (ret << 8) | (FLAC__uint64)(*b++);
+ free_options(&options);
return ret;
}
-
-void hexdump(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%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",
- 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;
- }
-}