1 /*****************************************************************************
2 * vorbis.h: Vorbis Comment parser
3 *****************************************************************************
4 * Copyright (C) 2008 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 #include <vlc_charset.h>
26 static input_attachment_t* ParseFlacPicture( const uint8_t *p_data, int i_data, int i_attachments, int *i_type )
29 char *psz_mime = NULL;
31 char *psz_description = NULL;
32 input_attachment_t *p_attachment = NULL;
34 if( i_data < 4 + 3*4 )
36 #define RM(x) do { i_data -= (x); p_data += (x); } while(0)
38 *i_type = GetDWBE( p_data ); RM(4);
39 i_len = GetDWBE( p_data ); RM(4);
41 if( i_len < 0 || i_data < i_len + 4 )
43 psz_mime = strndup( (const char*)p_data, i_len ); RM(i_len);
44 i_len = GetDWBE( p_data ); RM(4);
45 if( i_len < 0 || i_data < i_len + 4*4 + 4)
47 psz_description = strndup( (const char*)p_data, i_len ); RM(i_len);
48 EnsureUTF8( psz_description );
50 i_len = GetDWBE( p_data ); RM(4);
51 if( i_len < 0 || i_len > i_data )
54 /* printf( "Picture type=%d mime=%s description='%s' file length=%d\n",
55 *i_type, psz_mime, psz_description, i_len ); */
57 snprintf( psz_name, sizeof(psz_name), "picture%d", i_attachments );
58 if( !strcasecmp( psz_mime, "image/jpeg" ) )
59 strcat( psz_name, ".jpg" );
60 else if( !strcasecmp( psz_mime, "image/png" ) )
61 strcat( psz_name, ".png" );
63 p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
64 psz_description, p_data, i_data );
68 free( psz_description );
72 static inline void vorbis_ParseComment( vlc_meta_t **pp_meta, const uint8_t *p_data, int i_data )
79 n = GetDWLE(p_data); RM(4);
80 if( n < 0 || n > i_data )
85 /* TODO report vendor string ? */
86 char *psz_vendor = psz_vendor = strndup( p_data, n );
95 i_comment = GetDWLE(p_data); RM(4);
100 vlc_meta_t *p_meta = *pp_meta;
102 *pp_meta = p_meta = vlc_meta_New();
106 bool hasTitle = false;
107 bool hasAlbum = false;
108 bool hasTrackNumber = false;
109 bool hasArtist = false;
110 bool hasCopyright = false;
111 bool hasDescription = false;
112 bool hasGenre = false;
113 bool hasDate = false;
114 bool hasPublisher = false;
116 for( ; i_comment > 0; i_comment-- )
121 n = GetDWLE(p_data); RM(4);
127 psz = strndup( (const char*)p_data, n );
132 #define IF_EXTRACT(txt,var) \
133 if( !strncasecmp(psz, txt, strlen(txt)) ) \
135 const char *oldval = vlc_meta_Get( p_meta, vlc_meta_ ## var ); \
136 if( oldval && has##var) \
139 if( asprintf( &newval, "%s,%s", oldval, &psz[strlen(txt)] ) == -1 ) \
141 vlc_meta_Set( p_meta, vlc_meta_ ## var, newval ); \
145 vlc_meta_Set( p_meta, vlc_meta_ ## var, &psz[strlen(txt)] ); \
148 IF_EXTRACT("TITLE=", Title )
149 else IF_EXTRACT("ALBUM=", Album )
150 else IF_EXTRACT("TRACKNUMBER=", TrackNumber )
151 else IF_EXTRACT("ARTIST=", Artist )
152 else IF_EXTRACT("COPYRIGHT=", Copyright )
153 else IF_EXTRACT("ORGANIZATION=", Publisher )
154 else IF_EXTRACT("DESCRIPTION=", Description )
155 else IF_EXTRACT("GENRE=", Genre )
156 else IF_EXTRACT("DATE=", Date )
157 else if( strchr( psz, '=' ) )
159 /* generic (PERFORMER/LICENSE/ORGANIZATION/LOCATION/CONTACT/ISRC,
160 * undocumented tags and replay gain ) */
161 char *p = strchr( psz, '=' );
163 vlc_meta_AddExtra( p_meta, psz, p );