X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fid3v1.c;h=87930ff361a9dd24f2309667e0a461a2477f26cd;hb=7ce3bd9614717e545af8fb8455032c807e389b78;hp=74c6ad218cd3112d2dc046c194175edfc8bca5d9;hpb=7541118286470038b97edd0070f3712d98397065;p=ffmpeg diff --git a/libavformat/id3v1.c b/libavformat/id3v1.c index 74c6ad218cd..87930ff361a 100644 --- a/libavformat/id3v1.c +++ b/libavformat/id3v1.c @@ -2,126 +2,128 @@ * ID3v1 header parser * Copyright (c) 2003 Fabrice Bellard * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "id3v1.h" +#include "libavcodec/avcodec.h" +#include "libavutil/dict.h" -const char *ff_id3v1_genre_str[ID3v1_GENRE_MAX + 1] = { - [0] = "Blues", - [1] = "Classic Rock", - [2] = "Country", - [3] = "Dance", - [4] = "Disco", - [5] = "Funk", - [6] = "Grunge", - [7] = "Hip-Hop", - [8] = "Jazz", - [9] = "Metal", - [10] = "New Age", - [11] = "Oldies", - [12] = "Other", - [13] = "Pop", - [14] = "R&B", - [15] = "Rap", - [16] = "Reggae", - [17] = "Rock", - [18] = "Techno", - [19] = "Industrial", - [20] = "Alternative", - [21] = "Ska", - [22] = "Death Metal", - [23] = "Pranks", - [24] = "Soundtrack", - [25] = "Euro-Techno", - [26] = "Ambient", - [27] = "Trip-Hop", - [28] = "Vocal", - [29] = "Jazz+Funk", - [30] = "Fusion", - [31] = "Trance", - [32] = "Classical", - [33] = "Instrumental", - [34] = "Acid", - [35] = "House", - [36] = "Game", - [37] = "Sound Clip", - [38] = "Gospel", - [39] = "Noise", - [40] = "AlternRock", - [41] = "Bass", - [42] = "Soul", - [43] = "Punk", - [44] = "Space", - [45] = "Meditative", - [46] = "Instrumental Pop", - [47] = "Instrumental Rock", - [48] = "Ethnic", - [49] = "Gothic", - [50] = "Darkwave", - [51] = "Techno-Industrial", - [52] = "Electronic", - [53] = "Pop-Folk", - [54] = "Eurodance", - [55] = "Dream", - [56] = "Southern Rock", - [57] = "Comedy", - [58] = "Cult", - [59] = "Gangsta", - [60] = "Top 40", - [61] = "Christian Rap", - [62] = "Pop/Funk", - [63] = "Jungle", - [64] = "Native American", - [65] = "Cabaret", - [66] = "New Wave", - [67] = "Psychadelic", - [68] = "Rave", - [69] = "Showtunes", - [70] = "Trailer", - [71] = "Lo-Fi", - [72] = "Tribal", - [73] = "Acid Punk", - [74] = "Acid Jazz", - [75] = "Polka", - [76] = "Retro", - [77] = "Musical", - [78] = "Rock & Roll", - [79] = "Hard Rock", - [80] = "Folk", - [81] = "Folk-Rock", - [82] = "National Folk", - [83] = "Swing", - [84] = "Fast Fusion", - [85] = "Bebob", - [86] = "Latin", - [87] = "Revival", - [88] = "Celtic", - [89] = "Bluegrass", - [90] = "Avantgarde", - [91] = "Gothic Rock", - [92] = "Progressive Rock", - [93] = "Psychedelic Rock", - [94] = "Symphonic Rock", - [95] = "Slow Rock", - [96] = "Big Band", - [97] = "Chorus", - [98] = "Easy Listening", - [99] = "Acoustic", +const char * const ff_id3v1_genre_str[ID3v1_GENRE_MAX + 1] = { + [0] = "Blues", + [1] = "Classic Rock", + [2] = "Country", + [3] = "Dance", + [4] = "Disco", + [5] = "Funk", + [6] = "Grunge", + [7] = "Hip-Hop", + [8] = "Jazz", + [9] = "Metal", + [10] = "New Age", + [11] = "Oldies", + [12] = "Other", + [13] = "Pop", + [14] = "R&B", + [15] = "Rap", + [16] = "Reggae", + [17] = "Rock", + [18] = "Techno", + [19] = "Industrial", + [20] = "Alternative", + [21] = "Ska", + [22] = "Death Metal", + [23] = "Pranks", + [24] = "Soundtrack", + [25] = "Euro-Techno", + [26] = "Ambient", + [27] = "Trip-Hop", + [28] = "Vocal", + [29] = "Jazz+Funk", + [30] = "Fusion", + [31] = "Trance", + [32] = "Classical", + [33] = "Instrumental", + [34] = "Acid", + [35] = "House", + [36] = "Game", + [37] = "Sound Clip", + [38] = "Gospel", + [39] = "Noise", + [40] = "AlternRock", + [41] = "Bass", + [42] = "Soul", + [43] = "Punk", + [44] = "Space", + [45] = "Meditative", + [46] = "Instrumental Pop", + [47] = "Instrumental Rock", + [48] = "Ethnic", + [49] = "Gothic", + [50] = "Darkwave", + [51] = "Techno-Industrial", + [52] = "Electronic", + [53] = "Pop-Folk", + [54] = "Eurodance", + [55] = "Dream", + [56] = "Southern Rock", + [57] = "Comedy", + [58] = "Cult", + [59] = "Gangsta", + [60] = "Top 40", + [61] = "Christian Rap", + [62] = "Pop/Funk", + [63] = "Jungle", + [64] = "Native American", + [65] = "Cabaret", + [66] = "New Wave", + [67] = "Psychadelic", + [68] = "Rave", + [69] = "Showtunes", + [70] = "Trailer", + [71] = "Lo-Fi", + [72] = "Tribal", + [73] = "Acid Punk", + [74] = "Acid Jazz", + [75] = "Polka", + [76] = "Retro", + [77] = "Musical", + [78] = "Rock & Roll", + [79] = "Hard Rock", + [80] = "Folk", + [81] = "Folk-Rock", + [82] = "National Folk", + [83] = "Swing", + [84] = "Fast Fusion", + [85] = "Bebob", + [86] = "Latin", + [87] = "Revival", + [88] = "Celtic", + [89] = "Bluegrass", + [90] = "Avantgarde", + [91] = "Gothic Rock", + [92] = "Progressive Rock", + [93] = "Psychedelic Rock", + [94] = "Symphonic Rock", + [95] = "Slow Rock", + [96] = "Big Band", + [97] = "Chorus", + [98] = "Easy Listening", + [99] = "Acoustic", [100] = "Humour", [101] = "Speech", [102] = "Chanson", @@ -148,4 +150,96 @@ const char *ff_id3v1_genre_str[ID3v1_GENRE_MAX + 1] = { [123] = "A capella", [124] = "Euro-House", [125] = "Dance Hall", + [126] = "Goa", + [127] = "Drum & Bass", + [128] = "Club-House", + [129] = "Hardcore", + [130] = "Terror", + [131] = "Indie", + [132] = "BritPop", + [133] = "Negerpunk", + [134] = "Polsk Punk", + [135] = "Beat", + [136] = "Christian Gangsta", + [137] = "Heavy Metal", + [138] = "Black Metal", + [139] = "Crossover", + [140] = "Contemporary Christian", + [141] = "Christian Rock", + [142] = "Merengue", + [143] = "Salsa", + [144] = "Thrash Metal", + [145] = "Anime", + [146] = "JPop", + [147] = "SynthPop", }; + +static void get_string(AVFormatContext *s, const char *key, + const uint8_t *buf, int buf_size) +{ + int i, c; + char *q, str[512]; + + q = str; + for(i = 0; i < buf_size; i++) { + c = buf[i]; + if (c == '\0') + break; + if ((q - str) >= sizeof(str) - 1) + break; + *q++ = c; + } + *q = '\0'; + + if (*str) + av_dict_set(&s->metadata, key, str, 0); +} + +/** + * Parse an ID3v1 tag + * + * @param buf ID3v1_TAG_SIZE long buffer containing the tag + */ +static int parse_tag(AVFormatContext *s, const uint8_t *buf) +{ + char str[5]; + int genre; + + if (!(buf[0] == 'T' && + buf[1] == 'A' && + buf[2] == 'G')) + return -1; + get_string(s, "title", buf + 3, 30); + get_string(s, "artist", buf + 33, 30); + get_string(s, "album", buf + 63, 30); + get_string(s, "date", buf + 93, 4); + get_string(s, "comment", buf + 97, 30); + if (buf[125] == 0 && buf[126] != 0) { + snprintf(str, sizeof(str), "%d", buf[126]); + av_dict_set(&s->metadata, "track", str, 0); + } + genre = buf[127]; + if (genre <= ID3v1_GENRE_MAX) + av_dict_set(&s->metadata, "genre", ff_id3v1_genre_str[genre], 0); + return 0; +} + +void ff_id3v1_read(AVFormatContext *s) +{ + int ret; + uint8_t buf[ID3v1_TAG_SIZE]; + int64_t filesize, position = avio_tell(s->pb); + + if (s->pb->seekable) { + /* XXX: change that */ + filesize = avio_size(s->pb); + if (filesize > 128) { + avio_seek(s->pb, filesize - 128, SEEK_SET); + ret = avio_read(s->pb, buf, ID3v1_TAG_SIZE); + if (ret == ID3v1_TAG_SIZE) { + parse_tag(s, buf); + } + avio_seek(s->pb, position, SEEK_SET); + } + } +}