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Diffstat (limited to '')
-rw-r--r-- | mp4ff/mp4meta.c | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/mp4ff/mp4meta.c b/mp4ff/mp4meta.c deleted file mode 100644 index 762f5dee7..000000000 --- a/mp4ff/mp4meta.c +++ /dev/null @@ -1,414 +0,0 @@ -/* -** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding -** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com -** -** 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. -** -** Any non-GPL usage of this software or parts of this software is strictly -** forbidden. -** -** Commercial non-GPL licensing of this software is possible. -** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. -** -** $Id: mp4meta.c,v 1.13 2004/01/11 15:52:18 menno Exp $ -**/ - -#ifdef USE_TAGGING - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "mp4ffint.h" - -static int32_t mp4ff_tag_add_field(mp4ff_metadata_t *tags, const char *item, const char *value) -{ - void *backup = (void *)tags->tags; - - if (!item || (item && !*item) || !value) return 0; - - tags->tags = (mp4ff_tag_t*)realloc(tags->tags, (tags->count+1) * sizeof(mp4ff_tag_t)); - if (!tags->tags) - { - if (backup) free(backup); - return 0; - } else { - tags->tags[tags->count].item = strdup(item); - tags->tags[tags->count].value = strdup(value); - - if (!tags->tags[tags->count].item || !tags->tags[tags->count].value) - { - if (!tags->tags[tags->count].item) free (tags->tags[tags->count].item); - if (!tags->tags[tags->count].value) free (tags->tags[tags->count].value); - tags->tags[tags->count].item = NULL; - tags->tags[tags->count].value = NULL; - return 0; - } - - tags->count++; - return 1; - } -} - -static int32_t mp4ff_tag_set_field(mp4ff_metadata_t *tags, const char *item, const char *value) -{ - unsigned int i; - - if (!item || (item && !*item) || !value) return 0; - - for (i = 0; i < tags->count; i++) - { - if (!stricmp(tags->tags[i].item, item)) - { - free(tags->tags[i].value); - tags->tags[i].value = strdup(value); - return 1; - } - } - - return mp4ff_tag_add_field(tags, item, value); -} - -int32_t mp4ff_tag_delete(mp4ff_metadata_t *tags) -{ - uint32_t i; - - for (i = 0; i < tags->count; i++) - { - if (tags->tags[i].item) free(tags->tags[i].item); - if (tags->tags[i].value) free(tags->tags[i].value); - } - - if (tags->tags) free(tags->tags); - - tags->tags = NULL; - tags->count = 0; - - return 0; -} - -static const char* ID3v1GenreList[] = { - "Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk", - "Grunge", "Hip-Hop", "Jazz", "Metal", "New Age", "Oldies", - "Other", "Pop", "R&B", "Rap", "Reggae", "Rock", - "Techno", "Industrial", "Alternative", "Ska", "Death Metal", "Pranks", - "Soundtrack", "Euro-Techno", "Ambient", "Trip-Hop", "Vocal", "Jazz+Funk", - "Fusion", "Trance", "Classical", "Instrumental", "Acid", "House", - "Game", "Sound Clip", "Gospel", "Noise", "AlternRock", "Bass", - "Soul", "Punk", "Space", "Meditative", "Instrumental Pop", "Instrumental Rock", - "Ethnic", "Gothic", "Darkwave", "Techno-Industrial", "Electronic", "Pop-Folk", - "Eurodance", "Dream", "Southern Rock", "Comedy", "Cult", "Gangsta", - "Top 40", "Christian Rap", "Pop/Funk", "Jungle", "Native American", "Cabaret", - "New Wave", "Psychadelic", "Rave", "Showtunes", "Trailer", "Lo-Fi", - "Tribal", "Acid Punk", "Acid Jazz", "Polka", "Retro", "Musical", - "Rock & Roll", "Hard Rock", "Folk", "Folk/Rock", "National Folk", "Swing", - "Fast-Fusion", "Bebob", "Latin", "Revival", "Celtic", "Bluegrass", "Avantgarde", - "Gothic Rock", "Progressive Rock", "Psychedelic Rock", "Symphonic Rock", "Slow Rock", "Big Band", - "Chorus", "Easy Listening", "Acoustic", "Humour", "Speech", "Chanson", - "Opera", "Chamber Music", "Sonata", "Symphony", "Booty Bass", "Primus", - "Porn Groove", "Satire", "Slow Jam", "Club", "Tango", "Samba", - "Folklore", "Ballad", "Power Ballad", "Rhythmic Soul", "Freestyle", "Duet", - "Punk Rock", "Drum Solo", "A capella", "Euro-House", "Dance Hall", - "Goa", "Drum & Bass", "Club House", "Hardcore", "Terror", - "Indie", "BritPop", "NegerPunk", "Polsk Punk", "Beat", - "Christian Gangsta", "Heavy Metal", "Black Metal", "Crossover", "Contemporary C", - "Christian Rock", "Merengue", "Salsa", "Thrash Metal", "Anime", "JPop", - "SynthPop", -}; - -uint32_t mp4ff_meta_genre_to_index(const char * genrestr) -{ - unsigned n; - for(n=0;n<sizeof(ID3v1GenreList)/sizeof(ID3v1GenreList[0]);n++) - { - if (!stricmp(genrestr,ID3v1GenreList[n])) return n+1; - } - return 0; -} - -const char * mp4ff_meta_index_to_genre(uint32_t idx) -{ - if (idx>0 && idx<=sizeof(ID3v1GenreList)/sizeof(ID3v1GenreList[0])) - { - return ID3v1GenreList[idx-1]; - } - else - { - return 0; - } -} - - -static int32_t TrackToString(char** str, const uint16_t track, const uint16_t totalTracks) -{ - char temp[32]; - sprintf(temp, "%.5u of %.5u", track, totalTracks); - *str = strdup(temp); - return 0; -} - -static int32_t mp4ff_set_metadata_name(mp4ff_t *f, const uint8_t atom_type, char **name) -{ - static char *tag_names[] = { - "unknown", "title", "artist", "writer", "album", - "date", "tool", "comment", "genre", "track", - "disc", "compilation", "genre", "tempo", "cover" - }; - uint8_t tag_idx = 0; - - switch (atom_type) - { - case ATOM_TITLE: tag_idx = 1; break; - case ATOM_ARTIST: tag_idx = 2; break; - case ATOM_WRITER: tag_idx = 3; break; - case ATOM_ALBUM: tag_idx = 4; break; - case ATOM_DATE: tag_idx = 5; break; - case ATOM_TOOL: tag_idx = 6; break; - case ATOM_COMMENT: tag_idx = 7; break; - case ATOM_GENRE1: tag_idx = 8; break; - case ATOM_TRACK: tag_idx = 9; break; - case ATOM_DISC: tag_idx = 10; break; - case ATOM_COMPILATION: tag_idx = 11; break; - case ATOM_GENRE2: tag_idx = 12; break; - case ATOM_TEMPO: tag_idx = 13; break; - case ATOM_COVER: tag_idx = 14; break; - default: tag_idx = 0; break; - } - - *name = strdup(tag_names[tag_idx]); - - return 0; -} - -static int32_t mp4ff_parse_tag(mp4ff_t *f, const uint8_t parent_atom_type, const int32_t size) -{ - uint8_t atom_type; - uint8_t header_size = 0; - uint64_t subsize, sumsize = 0; - char * name = NULL; - char * data = NULL; - uint32_t done = 0; - - - while (sumsize < size) - { - uint64_t destpos; - subsize = mp4ff_atom_read_header(f, &atom_type, &header_size); - destpos = mp4ff_position(f)+subsize-header_size; - if (!done) - { - if (atom_type == ATOM_DATA) - { - mp4ff_read_char(f); /* version */ - mp4ff_read_int24(f); /* flags */ - mp4ff_read_int32(f); /* reserved */ - - /* some need special attention */ - if (parent_atom_type == ATOM_GENRE2 || parent_atom_type == ATOM_TEMPO) - { - if (subsize - header_size >= 8 + 2) - { - uint16_t val = mp4ff_read_int16(f); - - if (parent_atom_type == ATOM_TEMPO) - { - char temp[16]; - sprintf(temp, "%.5u BPM", val); - mp4ff_tag_add_field(&(f->tags), "tempo", temp); - } - else - { - const char * temp = mp4ff_meta_index_to_genre(val); - if (temp) - { - mp4ff_tag_add_field(&(f->tags), "genre", temp); - } - } - done = 1; - } - } else if (parent_atom_type == ATOM_TRACK || parent_atom_type == ATOM_DISC) { - if (!done && subsize - header_size >= 8 + 8) - { - uint16_t index,total; - char temp[32]; - mp4ff_read_int16(f); - index = mp4ff_read_int16(f); - total = mp4ff_read_int16(f); - mp4ff_read_int16(f); - - sprintf(temp,"%d",index); - mp4ff_tag_add_field(&(f->tags), parent_atom_type == ATOM_TRACK ? "track" : "disc", temp); - if (total>0) - { - sprintf(temp,"%d",total); - mp4ff_tag_add_field(&(f->tags), parent_atom_type == ATOM_TRACK ? "totaltracks" : "totaldiscs", temp); - } - done = 1; - } - } else - { - if (data) {free(data);data = NULL;} - data = mp4ff_read_string(f,(uint32_t)(subsize-(header_size+8))); - } - } else if (atom_type == ATOM_NAME) { - if (!done) - { - mp4ff_read_char(f); /* version */ - mp4ff_read_int24(f); /* flags */ - if (name) free(name); - name = mp4ff_read_string(f,(uint32_t)(subsize-(header_size+4))); - } - } - mp4ff_set_position(f, destpos); - sumsize += subsize; - } - } - - if (data) - { - if (!done) - { - if (name == NULL) mp4ff_set_metadata_name(f, parent_atom_type, &name); - if (name) mp4ff_tag_add_field(&(f->tags), name, data); - } - - free(data); - } - if (name) free(name); - return 1; -} - -int32_t mp4ff_parse_metadata(mp4ff_t *f, const int32_t size) -{ - uint64_t subsize, sumsize = 0; - uint8_t atom_type; - uint8_t header_size = 0; - - while (sumsize < size) - { - subsize = mp4ff_atom_read_header(f, &atom_type, &header_size); - mp4ff_parse_tag(f, atom_type, (uint32_t)(subsize-header_size)); - sumsize += subsize; - } - - return 0; -} - -/* find a metadata item by name */ -/* returns 0 if item found, 1 if no such item */ -static int32_t mp4ff_meta_find_by_name(const mp4ff_t *f, const char *item, char **value) -{ - uint32_t i; - - for (i = 0; i < f->tags.count; i++) - { - if (!stricmp(f->tags.tags[i].item, item)) - { - *value = strdup(f->tags.tags[i].value); - return 1; - } - } - - *value = NULL; - - /* not found */ - return 0; -} - -int32_t mp4ff_meta_get_num_items(const mp4ff_t *f) -{ - return f->tags.count; -} - -int32_t mp4ff_meta_get_by_index(const mp4ff_t *f, uint32_t index, - char **item, char **value) -{ - if (index >= f->tags.count) - { - *item = NULL; - *value = NULL; - return 0; - } else { - *item = strdup(f->tags.tags[index].item); - *value = strdup(f->tags.tags[index].value); - return 1; - } -} - -int32_t mp4ff_meta_get_title(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "title", value); -} - -int32_t mp4ff_meta_get_artist(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "artist", value); -} - -int32_t mp4ff_meta_get_writer(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "writer", value); -} - -int32_t mp4ff_meta_get_album(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "album", value); -} - -int32_t mp4ff_meta_get_date(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "date", value); -} - -int32_t mp4ff_meta_get_tool(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "tool", value); -} - -int32_t mp4ff_meta_get_comment(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "comment", value); -} - -int32_t mp4ff_meta_get_genre(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "genre", value); -} - -int32_t mp4ff_meta_get_track(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "track", value); -} - -int32_t mp4ff_meta_get_disc(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "disc", value); -} - -int32_t mp4ff_meta_get_compilation(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "compilation", value); -} - -int32_t mp4ff_meta_get_tempo(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "tempo", value); -} - -int32_t mp4ff_meta_get_coverart(const mp4ff_t *f, char **value) -{ - return mp4ff_meta_find_by_name(f, "cover", value); -} - -#endif |