mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
Move id3v2 parsing code from mp3.c to id3v2.h and id3v2.c.
patch by Patrick Dehne, patrick mysonicweb com Originally committed as revision 19155 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
dc8229015c
commit
7541118286
@ -96,7 +96,7 @@ OBJS-$(CONFIG_MMF_MUXER) += mmf.o riff.o
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OBJS-$(CONFIG_MOV_DEMUXER) += mov.o riff.o isom.o
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OBJS-$(CONFIG_MOV_MUXER) += movenc.o riff.o isom.o avc.o
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OBJS-$(CONFIG_MP2_MUXER) += mp3.o
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OBJS-$(CONFIG_MP3_DEMUXER) += mp3.o id3v2.o
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OBJS-$(CONFIG_MP3_DEMUXER) += mp3.o id3v1.o id3v2.o
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OBJS-$(CONFIG_MP3_MUXER) += mp3.o
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OBJS-$(CONFIG_MP4_MUXER) += movenc.o riff.o isom.o avc.o
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OBJS-$(CONFIG_MPC_DEMUXER) += mpc.o id3v2.o
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151
libavformat/id3v1.c
Normal file
151
libavformat/id3v1.c
Normal file
@ -0,0 +1,151 @@
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/*
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* ID3v1 header parser
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "id3v1.h"
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const char *ff_id3v1_genre_str[ID3v1_GENRE_MAX + 1] = {
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[0] = "Blues",
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[1] = "Classic Rock",
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[2] = "Country",
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[3] = "Dance",
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[4] = "Disco",
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[5] = "Funk",
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[6] = "Grunge",
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[7] = "Hip-Hop",
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[8] = "Jazz",
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[9] = "Metal",
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[10] = "New Age",
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[11] = "Oldies",
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[12] = "Other",
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[13] = "Pop",
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[14] = "R&B",
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[15] = "Rap",
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[16] = "Reggae",
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[17] = "Rock",
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[18] = "Techno",
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[19] = "Industrial",
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[20] = "Alternative",
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[21] = "Ska",
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[22] = "Death Metal",
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[23] = "Pranks",
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[24] = "Soundtrack",
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[25] = "Euro-Techno",
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[26] = "Ambient",
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[27] = "Trip-Hop",
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[28] = "Vocal",
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[29] = "Jazz+Funk",
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[30] = "Fusion",
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[31] = "Trance",
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[32] = "Classical",
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[33] = "Instrumental",
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[34] = "Acid",
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[35] = "House",
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[36] = "Game",
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[37] = "Sound Clip",
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[38] = "Gospel",
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[39] = "Noise",
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[40] = "AlternRock",
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[41] = "Bass",
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[42] = "Soul",
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[43] = "Punk",
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[44] = "Space",
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[45] = "Meditative",
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[46] = "Instrumental Pop",
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[47] = "Instrumental Rock",
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[48] = "Ethnic",
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[49] = "Gothic",
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[50] = "Darkwave",
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[51] = "Techno-Industrial",
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[52] = "Electronic",
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[53] = "Pop-Folk",
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[54] = "Eurodance",
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[55] = "Dream",
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[56] = "Southern Rock",
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[57] = "Comedy",
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[58] = "Cult",
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[59] = "Gangsta",
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[60] = "Top 40",
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[61] = "Christian Rap",
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[62] = "Pop/Funk",
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[63] = "Jungle",
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[64] = "Native American",
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[65] = "Cabaret",
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[66] = "New Wave",
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[67] = "Psychadelic",
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[68] = "Rave",
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[69] = "Showtunes",
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[70] = "Trailer",
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[71] = "Lo-Fi",
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[72] = "Tribal",
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[73] = "Acid Punk",
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[74] = "Acid Jazz",
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[75] = "Polka",
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[76] = "Retro",
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[77] = "Musical",
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[78] = "Rock & Roll",
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[79] = "Hard Rock",
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[80] = "Folk",
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[81] = "Folk-Rock",
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[82] = "National Folk",
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[83] = "Swing",
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[84] = "Fast Fusion",
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[85] = "Bebob",
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[86] = "Latin",
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[87] = "Revival",
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[88] = "Celtic",
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[89] = "Bluegrass",
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[90] = "Avantgarde",
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[91] = "Gothic Rock",
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[92] = "Progressive Rock",
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[93] = "Psychedelic Rock",
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[94] = "Symphonic Rock",
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[95] = "Slow Rock",
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[96] = "Big Band",
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[97] = "Chorus",
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[98] = "Easy Listening",
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[99] = "Acoustic",
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[100] = "Humour",
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[101] = "Speech",
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[102] = "Chanson",
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[103] = "Opera",
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[104] = "Chamber Music",
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[105] = "Sonata",
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[106] = "Symphony",
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[107] = "Booty Bass",
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[108] = "Primus",
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[109] = "Porn Groove",
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[110] = "Satire",
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[111] = "Slow Jam",
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[112] = "Club",
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[113] = "Tango",
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[114] = "Samba",
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[115] = "Folklore",
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[116] = "Ballad",
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[117] = "Power Ballad",
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[118] = "Rhythmic Soul",
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[119] = "Freestyle",
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[120] = "Duet",
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[121] = "Punk Rock",
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[122] = "Drum Solo",
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[123] = "A capella",
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[124] = "Euro-House",
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[125] = "Dance Hall",
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};
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35
libavformat/id3v1.h
Normal file
35
libavformat/id3v1.h
Normal file
@ -0,0 +1,35 @@
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/*
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* ID3v1 header parser
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_ID3V1_H
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#define AVFORMAT_ID3V1_H
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#define ID3v1_TAG_SIZE 128
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#define ID3v1_GENRE_MAX 125
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/**
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* ID3v1 genres
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*/
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extern const char *ff_id3v1_genre_str[ID3v1_GENRE_MAX + 1];
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#endif /* AVFORMAT_ID3V1_H */
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@ -20,6 +20,8 @@
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*/
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#include "id3v2.h"
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#include "id3v1.h"
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#include "libavutil/avstring.h"
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int ff_id3v2_match(const uint8_t *buf)
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{
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@ -45,3 +47,148 @@ int ff_id3v2_tag_len(const uint8_t * buf)
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len += ID3v2_HEADER_SIZE;
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return len;
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}
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static unsigned int get_size(ByteIOContext *s, int len)
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{
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int v=0;
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while(len--)
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v= (v<<7) + (get_byte(s)&0x7F);
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return v;
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}
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static void read_ttag(AVFormatContext *s, int taglen, const char *key)
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{
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char *q, dst[512];
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int len, dstlen = sizeof(dst) - 1;
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unsigned genre;
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dst[0]= 0;
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if(taglen < 1)
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return;
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taglen--; /* account for encoding type byte */
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switch(get_byte(s->pb)) { /* encoding type */
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case 0: /* ISO-8859-1 (0 - 255 maps directly into unicode) */
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q = dst;
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while(taglen--) {
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uint8_t tmp;
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PUT_UTF8(get_byte(s->pb), tmp, if (q - dst < dstlen - 1) *q++ = tmp;)
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}
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*q = '\0';
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break;
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case 3: /* UTF-8 */
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len = FFMIN(taglen, dstlen-1);
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get_buffer(s->pb, dst, len);
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dst[len] = 0;
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break;
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}
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if (!strcmp(key, "genre")
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&& (sscanf(dst, "(%d)", &genre) == 1 || sscanf(dst, "%d", &genre) == 1)
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&& genre <= ID3v1_GENRE_MAX)
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av_strlcpy(dst, ff_id3v1_genre_str[genre], sizeof(dst));
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if (*dst)
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av_metadata_set(&s->metadata, key, dst);
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}
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void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags)
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{
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int isv34, tlen;
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uint32_t tag;
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int64_t next;
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int taghdrlen;
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const char *reason;
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switch(version) {
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case 2:
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if(flags & 0x40) {
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reason = "compression";
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goto error;
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}
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isv34 = 0;
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taghdrlen = 6;
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break;
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case 3:
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case 4:
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isv34 = 1;
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taghdrlen = 10;
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break;
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default:
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reason = "version";
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goto error;
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}
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if(flags & 0x80) {
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reason = "unsynchronization";
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goto error;
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}
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if(isv34 && flags & 0x40) /* Extended header present, just skip over it */
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url_fskip(s->pb, get_size(s->pb, 4));
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while(len >= taghdrlen) {
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if(isv34) {
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tag = get_be32(s->pb);
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tlen = get_size(s->pb, 4);
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get_be16(s->pb); /* flags */
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} else {
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tag = get_be24(s->pb);
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tlen = get_size(s->pb, 3);
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}
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len -= taghdrlen + tlen;
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if(len < 0)
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break;
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next = url_ftell(s->pb) + tlen;
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switch(tag) {
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case MKBETAG('T', 'I', 'T', '2'):
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case MKBETAG(0, 'T', 'T', '2'):
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read_ttag(s, tlen, "title");
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break;
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case MKBETAG('T', 'P', 'E', '1'):
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case MKBETAG(0, 'T', 'P', '1'):
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read_ttag(s, tlen, "author");
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break;
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case MKBETAG('T', 'A', 'L', 'B'):
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case MKBETAG(0, 'T', 'A', 'L'):
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read_ttag(s, tlen, "album");
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break;
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case MKBETAG('T', 'C', 'O', 'N'):
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case MKBETAG(0, 'T', 'C', 'O'):
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read_ttag(s, tlen, "genre");
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break;
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case MKBETAG('T', 'C', 'O', 'P'):
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case MKBETAG(0, 'T', 'C', 'R'):
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read_ttag(s, tlen, "copyright");
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break;
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case MKBETAG('T', 'R', 'C', 'K'):
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case MKBETAG(0, 'T', 'R', 'K'):
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read_ttag(s, tlen, "track");
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break;
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case 0:
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/* padding, skip to end */
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url_fskip(s->pb, len);
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len = 0;
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continue;
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}
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/* Skip to end of tag */
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url_fseek(s->pb, next, SEEK_SET);
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}
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if(version == 4 && flags & 0x10) /* Footer preset, always 10 bytes, skip over it */
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url_fskip(s->pb, 10);
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return;
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error:
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av_log(s, AV_LOG_INFO, "ID3v2.%d tag skipped, cannot handle %s\n", version, reason);
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url_fskip(s->pb, len);
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}
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@ -23,6 +23,7 @@
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#define AVFORMAT_ID3V2_H
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#include <stdint.h>
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#include "avformat.h"
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#define ID3v2_HEADER_SIZE 10
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@ -39,4 +40,10 @@ int ff_id3v2_match(const uint8_t *buf);
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*/
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int ff_id3v2_tag_len(const uint8_t *buf);
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/**
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* ID3v2 parser
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* Handles ID3v2.2, 2.3 and 2.4.
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*/
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void ff_id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags);
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#endif /* AVFORMAT_ID3V2_H */
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|
@ -25,290 +25,7 @@
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#include "libavcodec/mpegaudiodecheader.h"
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#include "avformat.h"
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#include "id3v2.h"
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#define ID3v1_TAG_SIZE 128
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#define ID3v1_GENRE_MAX 125
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static const char * const id3v1_genre_str[ID3v1_GENRE_MAX + 1] = {
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[0] = "Blues",
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[1] = "Classic Rock",
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[2] = "Country",
|
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[3] = "Dance",
|
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[4] = "Disco",
|
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[5] = "Funk",
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[6] = "Grunge",
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[7] = "Hip-Hop",
|
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[8] = "Jazz",
|
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[9] = "Metal",
|
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[10] = "New Age",
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[11] = "Oldies",
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[12] = "Other",
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[13] = "Pop",
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[14] = "R&B",
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[15] = "Rap",
|
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[16] = "Reggae",
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[17] = "Rock",
|
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[18] = "Techno",
|
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[19] = "Industrial",
|
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[20] = "Alternative",
|
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[21] = "Ska",
|
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[22] = "Death Metal",
|
||||
[23] = "Pranks",
|
||||
[24] = "Soundtrack",
|
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[25] = "Euro-Techno",
|
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[26] = "Ambient",
|
||||
[27] = "Trip-Hop",
|
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[28] = "Vocal",
|
||||
[29] = "Jazz+Funk",
|
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[30] = "Fusion",
|
||||
[31] = "Trance",
|
||||
[32] = "Classical",
|
||||
[33] = "Instrumental",
|
||||
[34] = "Acid",
|
||||
[35] = "House",
|
||||
[36] = "Game",
|
||||
[37] = "Sound Clip",
|
||||
[38] = "Gospel",
|
||||
[39] = "Noise",
|
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[40] = "AlternRock",
|
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[41] = "Bass",
|
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[42] = "Soul",
|
||||
[43] = "Punk",
|
||||
[44] = "Space",
|
||||
[45] = "Meditative",
|
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[46] = "Instrumental Pop",
|
||||
[47] = "Instrumental Rock",
|
||||
[48] = "Ethnic",
|
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[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",
|
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[70] = "Trailer",
|
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[71] = "Lo-Fi",
|
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[72] = "Tribal",
|
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[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",
|
||||
[103] = "Opera",
|
||||
[104] = "Chamber Music",
|
||||
[105] = "Sonata",
|
||||
[106] = "Symphony",
|
||||
[107] = "Booty Bass",
|
||||
[108] = "Primus",
|
||||
[109] = "Porn Groove",
|
||||
[110] = "Satire",
|
||||
[111] = "Slow Jam",
|
||||
[112] = "Club",
|
||||
[113] = "Tango",
|
||||
[114] = "Samba",
|
||||
[115] = "Folklore",
|
||||
[116] = "Ballad",
|
||||
[117] = "Power Ballad",
|
||||
[118] = "Rhythmic Soul",
|
||||
[119] = "Freestyle",
|
||||
[120] = "Duet",
|
||||
[121] = "Punk Rock",
|
||||
[122] = "Drum Solo",
|
||||
[123] = "A capella",
|
||||
[124] = "Euro-House",
|
||||
[125] = "Dance Hall",
|
||||
};
|
||||
|
||||
static unsigned int id3v2_get_size(ByteIOContext *s, int len)
|
||||
{
|
||||
int v=0;
|
||||
while(len--)
|
||||
v= (v<<7) + (get_byte(s)&0x7F);
|
||||
return v;
|
||||
}
|
||||
|
||||
static void id3v2_read_ttag(AVFormatContext *s, int taglen, const char *key)
|
||||
{
|
||||
char *q, dst[512];
|
||||
int len, dstlen = sizeof(dst) - 1;
|
||||
unsigned genre;
|
||||
|
||||
dst[0]= 0;
|
||||
if(taglen < 1)
|
||||
return;
|
||||
|
||||
taglen--; /* account for encoding type byte */
|
||||
|
||||
switch(get_byte(s->pb)) { /* encoding type */
|
||||
|
||||
case 0: /* ISO-8859-1 (0 - 255 maps directly into unicode) */
|
||||
q = dst;
|
||||
while(taglen--) {
|
||||
uint8_t tmp;
|
||||
PUT_UTF8(get_byte(s->pb), tmp, if (q - dst < dstlen - 1) *q++ = tmp;)
|
||||
}
|
||||
*q = '\0';
|
||||
break;
|
||||
|
||||
case 3: /* UTF-8 */
|
||||
len = FFMIN(taglen, dstlen-1);
|
||||
get_buffer(s->pb, dst, len);
|
||||
dst[len] = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
if (!strcmp(key, "genre")
|
||||
&& (sscanf(dst, "(%d)", &genre) == 1 || sscanf(dst, "%d", &genre) == 1)
|
||||
&& genre <= ID3v1_GENRE_MAX)
|
||||
av_strlcpy(dst, id3v1_genre_str[genre], sizeof(dst));
|
||||
|
||||
if (*dst)
|
||||
av_metadata_set(&s->metadata, key, dst);
|
||||
}
|
||||
|
||||
/**
|
||||
* ID3v2 parser
|
||||
*
|
||||
* Handles ID3v2.2, 2.3 and 2.4.
|
||||
*
|
||||
*/
|
||||
|
||||
static void id3v2_parse(AVFormatContext *s, int len, uint8_t version, uint8_t flags)
|
||||
{
|
||||
int isv34, tlen;
|
||||
uint32_t tag;
|
||||
int64_t next;
|
||||
int taghdrlen;
|
||||
const char *reason;
|
||||
|
||||
switch(version) {
|
||||
case 2:
|
||||
if(flags & 0x40) {
|
||||
reason = "compression";
|
||||
goto error;
|
||||
}
|
||||
isv34 = 0;
|
||||
taghdrlen = 6;
|
||||
break;
|
||||
|
||||
case 3:
|
||||
case 4:
|
||||
isv34 = 1;
|
||||
taghdrlen = 10;
|
||||
break;
|
||||
|
||||
default:
|
||||
reason = "version";
|
||||
goto error;
|
||||
}
|
||||
|
||||
if(flags & 0x80) {
|
||||
reason = "unsynchronization";
|
||||
goto error;
|
||||
}
|
||||
|
||||
if(isv34 && flags & 0x40) /* Extended header present, just skip over it */
|
||||
url_fskip(s->pb, id3v2_get_size(s->pb, 4));
|
||||
|
||||
while(len >= taghdrlen) {
|
||||
if(isv34) {
|
||||
tag = get_be32(s->pb);
|
||||
tlen = id3v2_get_size(s->pb, 4);
|
||||
get_be16(s->pb); /* flags */
|
||||
} else {
|
||||
tag = get_be24(s->pb);
|
||||
tlen = id3v2_get_size(s->pb, 3);
|
||||
}
|
||||
len -= taghdrlen + tlen;
|
||||
|
||||
if(len < 0)
|
||||
break;
|
||||
|
||||
next = url_ftell(s->pb) + tlen;
|
||||
|
||||
switch(tag) {
|
||||
case MKBETAG('T', 'I', 'T', '2'):
|
||||
case MKBETAG(0, 'T', 'T', '2'):
|
||||
id3v2_read_ttag(s, tlen, "title");
|
||||
break;
|
||||
case MKBETAG('T', 'P', 'E', '1'):
|
||||
case MKBETAG(0, 'T', 'P', '1'):
|
||||
id3v2_read_ttag(s, tlen, "author");
|
||||
break;
|
||||
case MKBETAG('T', 'A', 'L', 'B'):
|
||||
case MKBETAG(0, 'T', 'A', 'L'):
|
||||
id3v2_read_ttag(s, tlen, "album");
|
||||
break;
|
||||
case MKBETAG('T', 'C', 'O', 'N'):
|
||||
case MKBETAG(0, 'T', 'C', 'O'):
|
||||
id3v2_read_ttag(s, tlen, "genre");
|
||||
break;
|
||||
case MKBETAG('T', 'C', 'O', 'P'):
|
||||
case MKBETAG(0, 'T', 'C', 'R'):
|
||||
id3v2_read_ttag(s, tlen, "copyright");
|
||||
break;
|
||||
case MKBETAG('T', 'R', 'C', 'K'):
|
||||
case MKBETAG(0, 'T', 'R', 'K'):
|
||||
id3v2_read_ttag(s, tlen, "track");
|
||||
break;
|
||||
case 0:
|
||||
/* padding, skip to end */
|
||||
url_fskip(s->pb, len);
|
||||
len = 0;
|
||||
continue;
|
||||
}
|
||||
/* Skip to end of tag */
|
||||
url_fseek(s->pb, next, SEEK_SET);
|
||||
}
|
||||
|
||||
if(version == 4 && flags & 0x10) /* Footer preset, always 10 bytes, skip over it */
|
||||
url_fskip(s->pb, 10);
|
||||
return;
|
||||
|
||||
error:
|
||||
av_log(s, AV_LOG_INFO, "ID3v2.%d tag skipped, cannot handle %s\n", version, reason);
|
||||
url_fskip(s->pb, len);
|
||||
}
|
||||
#include "id3v1.h"
|
||||
|
||||
static void id3v1_get_string(AVFormatContext *s, const char *key,
|
||||
const uint8_t *buf, int buf_size)
|
||||
@ -352,7 +69,7 @@ static int id3v1_parse_tag(AVFormatContext *s, const uint8_t *buf)
|
||||
}
|
||||
genre = buf[127];
|
||||
if (genre <= ID3v1_GENRE_MAX)
|
||||
av_metadata_set(&s->metadata, "genre", id3v1_genre_str[genre]);
|
||||
av_metadata_set(&s->metadata, "genre", ff_id3v1_genre_str[genre]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -492,7 +209,7 @@ static int mp3_read_header(AVFormatContext *s,
|
||||
((buf[7] & 0x7f) << 14) |
|
||||
((buf[8] & 0x7f) << 7) |
|
||||
(buf[9] & 0x7f);
|
||||
id3v2_parse(s, len, buf[3], buf[5]);
|
||||
ff_id3v2_parse(s, len, buf[3], buf[5]);
|
||||
} else {
|
||||
url_fseek(s->pb, 0, SEEK_SET);
|
||||
}
|
||||
@ -557,7 +274,7 @@ static int id3v1_create_tag(AVFormatContext *s, uint8_t *buf)
|
||||
}
|
||||
if ((tag = av_metadata_get(s->metadata, "genre", NULL, 0))) {
|
||||
for(i = 0; i <= ID3v1_GENRE_MAX; i++) {
|
||||
if (!strcasecmp(tag->value, id3v1_genre_str[i])) {
|
||||
if (!strcasecmp(tag->value, ff_id3v1_genre_str[i])) {
|
||||
buf[127] = i;
|
||||
count++;
|
||||
break;
|
||||
|
Loading…
Reference in New Issue
Block a user