diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/song.c | 1 | ||||
| -rw-r--r-- | src/tag.c | 120 | ||||
| -rw-r--r-- | src/tag.h | 2 | ||||
| -rw-r--r-- | src/tag_ape.c | 145 | ||||
| -rw-r--r-- | src/tag_ape.h | 31 |
5 files changed, 177 insertions, 122 deletions
diff --git a/src/song.c b/src/song.c index 0262d4b1a..823e71fc7 100644 --- a/src/song.c +++ b/src/song.c @@ -22,6 +22,7 @@ #include "mapper.h" #include "decoder_list.h" #include "decoder_plugin.h" +#include "tag_ape.h" #include "tag_id3.h" #include "tag.h" @@ -117,126 +117,6 @@ void tag_lib_init(void) g_free(temp); } -struct tag *tag_ape_load(const char *file) -{ - struct tag *ret = NULL; - FILE *fp; - int tagCount; - char *buffer = NULL; - char *p; - size_t tagLen; - size_t size; - unsigned long flags; - int i; - char *key; - - struct { - unsigned char id[8]; - uint32_t version; - uint32_t length; - uint32_t tagCount; - unsigned char flags[4]; - unsigned char reserved[8]; - } footer; - - const char *apeItems[7] = { - "title", - "artist", - "album", - "comment", - "genre", - "track", - "year" - }; - - int tagItems[7] = { - TAG_ITEM_TITLE, - TAG_ITEM_ARTIST, - TAG_ITEM_ALBUM, - TAG_ITEM_COMMENT, - TAG_ITEM_GENRE, - TAG_ITEM_TRACK, - TAG_ITEM_DATE, - }; - - fp = fopen(file, "r"); - if (!fp) - return NULL; - - /* determine if file has an apeV2 tag */ - if (fseek(fp, 0, SEEK_END)) - goto fail; - size = (size_t)ftell(fp); - if (fseek(fp, size - sizeof(footer), SEEK_SET)) - goto fail; - if (fread(&footer, 1, sizeof(footer), fp) != sizeof(footer)) - goto fail; - if (memcmp(footer.id, "APETAGEX", sizeof(footer.id)) != 0) - goto fail; - if (GUINT32_FROM_LE(footer.version) != 2000) - goto fail; - - /* find beginning of ape tag */ - tagLen = GUINT32_FROM_LE(footer.length); - if (tagLen < sizeof(footer)) - goto fail; - if (fseek(fp, size - tagLen, SEEK_SET)) - goto fail; - - /* read tag into buffer */ - tagLen -= sizeof(footer); - if (tagLen <= 0) - goto fail; - buffer = g_malloc(tagLen); - if (fread(buffer, 1, tagLen, fp) != tagLen) - goto fail; - - /* read tags */ - tagCount = GUINT32_FROM_LE(footer.tagCount); - p = buffer; - while (tagCount-- && tagLen > 10) { - size = GUINT32_FROM_LE(*(const uint32_t *)p); - p += 4; - tagLen -= 4; - flags = GUINT32_FROM_LE(*(const uint32_t *)p); - p += 4; - tagLen -= 4; - - /* get the key */ - key = p; - while (tagLen - size > 0 && *p != '\0') { - p++; - tagLen--; - } - p++; - tagLen--; - - /* get the value */ - if (tagLen < size) - goto fail; - - /* we only care about utf-8 text tags */ - if (!(flags & (0x3 << 1))) { - for (i = 0; i < 7; i++) { - if (strcasecmp(key, apeItems[i]) == 0) { - if (!ret) - ret = tag_new(); - tag_add_item_n(ret, tagItems[i], - p, size); - } - } - } - p += size; - tagLen -= size; - } - -fail: - if (fp) - fclose(fp); - g_free(buffer); - return ret; -} - struct tag *tag_new(void) { struct tag *ret = g_new(struct tag, 1); @@ -61,8 +61,6 @@ struct tag { unsigned num_items; }; -struct tag *tag_ape_load(const char *file); - struct tag *tag_new(void); void tag_lib_init(void); diff --git a/src/tag_ape.c b/src/tag_ape.c new file mode 100644 index 000000000..c38b07a55 --- /dev/null +++ b/src/tag_ape.c @@ -0,0 +1,145 @@ +/* + * Copyright (C) 2003-2009 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "tag_ape.h" +#include "tag.h" + +#include <glib.h> + +#include <stdio.h> + +struct tag * +tag_ape_load(const char *file) +{ + struct tag *ret = NULL; + FILE *fp; + int tagCount; + char *buffer = NULL; + char *p; + size_t tagLen; + size_t size; + unsigned long flags; + int i; + char *key; + + struct { + unsigned char id[8]; + uint32_t version; + uint32_t length; + uint32_t tagCount; + unsigned char flags[4]; + unsigned char reserved[8]; + } footer; + + const char *apeItems[7] = { + "title", + "artist", + "album", + "comment", + "genre", + "track", + "year" + }; + + int tagItems[7] = { + TAG_ITEM_TITLE, + TAG_ITEM_ARTIST, + TAG_ITEM_ALBUM, + TAG_ITEM_COMMENT, + TAG_ITEM_GENRE, + TAG_ITEM_TRACK, + TAG_ITEM_DATE, + }; + + fp = fopen(file, "r"); + if (!fp) + return NULL; + + /* determine if file has an apeV2 tag */ + if (fseek(fp, 0, SEEK_END)) + goto fail; + size = (size_t)ftell(fp); + if (fseek(fp, size - sizeof(footer), SEEK_SET)) + goto fail; + if (fread(&footer, 1, sizeof(footer), fp) != sizeof(footer)) + goto fail; + if (memcmp(footer.id, "APETAGEX", sizeof(footer.id)) != 0) + goto fail; + if (GUINT32_FROM_LE(footer.version) != 2000) + goto fail; + + /* find beginning of ape tag */ + tagLen = GUINT32_FROM_LE(footer.length); + if (tagLen < sizeof(footer)) + goto fail; + if (fseek(fp, size - tagLen, SEEK_SET)) + goto fail; + + /* read tag into buffer */ + tagLen -= sizeof(footer); + if (tagLen <= 0) + goto fail; + buffer = g_malloc(tagLen); + if (fread(buffer, 1, tagLen, fp) != tagLen) + goto fail; + + /* read tags */ + tagCount = GUINT32_FROM_LE(footer.tagCount); + p = buffer; + while (tagCount-- && tagLen > 10) { + size = GUINT32_FROM_LE(*(const uint32_t *)p); + p += 4; + tagLen -= 4; + flags = GUINT32_FROM_LE(*(const uint32_t *)p); + p += 4; + tagLen -= 4; + + /* get the key */ + key = p; + while (tagLen - size > 0 && *p != '\0') { + p++; + tagLen--; + } + p++; + tagLen--; + + /* get the value */ + if (tagLen < size) + goto fail; + + /* we only care about utf-8 text tags */ + if (!(flags & (0x3 << 1))) { + for (i = 0; i < 7; i++) { + if (strcasecmp(key, apeItems[i]) == 0) { + if (!ret) + ret = tag_new(); + tag_add_item_n(ret, tagItems[i], + p, size); + } + } + } + p += size; + tagLen -= size; + } + +fail: + if (fp) + fclose(fp); + g_free(buffer); + return ret; +} diff --git a/src/tag_ape.h b/src/tag_ape.h new file mode 100644 index 000000000..abd10d631 --- /dev/null +++ b/src/tag_ape.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2003-2009 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef MPD_TAG_APE_H +#define MPD_TAG_APE_H + +/** + * Loads the APE tag from a file. + * + * @param path_fs the path of the file in filesystem encoding + * @return a tag object, or NULL if the file has no APE tag + */ +struct tag * +tag_ape_load(const char *path_fs); + +#endif |