From cc2160de5cc05dc3aa77f3a34358e66f6193c8c9 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 26 Jun 2012 20:35:30 +0200 Subject: Add support for AAC. --- faad2/src/common/mp4ff/mp4meta.c | 461 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 461 insertions(+) create mode 100644 faad2/src/common/mp4ff/mp4meta.c (limited to 'faad2/src/common/mp4ff/mp4meta.c') diff --git a/faad2/src/common/mp4ff/mp4meta.c b/faad2/src/common/mp4ff/mp4meta.c new file mode 100644 index 0000000..4e75862 --- /dev/null +++ b/faad2/src/common/mp4ff/mp4meta.c @@ -0,0 +1,461 @@ +/* +** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding +** Copyright (C) 2003-2005 M. Bakker, Nero 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. +** +** The "appropriate copyright message" mentioned in section 2c of the GPLv2 +** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" +** +** Commercial non-GPL licensing of this software is possible. +** For more info contact Nero AG through Mpeg4AAClicense@nero.com. +** +** $Id: mp4meta.c,v 1.21 2009/01/19 23:56:30 menno Exp $ +**/ + +#ifdef USE_TAGGING + +#include +#include +#include +#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;n0 && 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", + "album_artist", "contentgroup", "lyrics", "description", + "network", "show", "episodename", + "sorttitle", "sortalbum", "sortartist", "sortalbumartist", + "sortwriter", "sortshow", + "season", "episode", "podcast" + + }; + 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; + case ATOM_ALBUM_ARTIST: tag_idx = 15; break; + case ATOM_CONTENTGROUP: tag_idx = 16; break; + case ATOM_LYRICS: tag_idx = 17; break; + case ATOM_DESCRIPTION: tag_idx = 18; break; + case ATOM_NETWORK: tag_idx = 19; break; + case ATOM_SHOW: tag_idx = 20; break; + case ATOM_EPISODENAME: tag_idx = 21; break; + case ATOM_SORTTITLE: tag_idx = 22; break; + case ATOM_SORTALBUM: tag_idx = 23; break; + case ATOM_SORTARTIST: tag_idx = 24; break; + case ATOM_SORTALBUMARTIST: tag_idx = 25; break; + case ATOM_SORTWRITER: tag_idx = 26; break; + case ATOM_SORTSHOW: tag_idx = 27; break; + case ATOM_SEASON: tag_idx = 28; break; + case ATOM_EPISODE: tag_idx = 29; break; + case ATOM_PODCAST: tag_idx = 30; 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) */ + /* modified by AJS */ + if ( !done && (subsize - header_size) >= + (sizeof(char) + sizeof(uint8_t)*3 + sizeof(uint32_t) + /* version + flags + reserved */ + + sizeof(uint16_t) /* leading uint16_t */ + + sizeof(uint16_t) /* track / disc */ + + sizeof(uint16_t)) /* totaltracks / totaldiscs */ + ) + { + uint16_t index,total; + char temp[32]; + mp4ff_read_int16(f); + index = mp4ff_read_int16(f); + total = mp4ff_read_int16(f); + /* modified by AJS */ + /* 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); + if (subsize == 0) + break; + 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_totaltracks(const mp4ff_t *f, char **value) +{ + return mp4ff_meta_find_by_name(f, "totaltracks", 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_totaldiscs(const mp4ff_t *f, char **value) +{ + return mp4ff_meta_find_by_name(f, "totaldiscs", 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 \ No newline at end of file -- cgit v1.2.3