* 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",
[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);
+ }
+ }
+}
projects / ffmpeg / blobdiff