/*****************************************************************************
* vorbis.h: Vorbis Comment parser
*****************************************************************************
- * Copyright (C) 2008 the VideoLAN team
+ * Copyright (C) 2008 VLC authors and VideoLAN
* $Id$
*
* Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
- * 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
+ * This program 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.
*
* 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.
+ * 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 General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include <vlc_charset.h>
+#include <vlc_strings.h>
+#include <vlc_input.h>
-static inline void vorbis_ParseComment( vlc_meta_t **pp_meta, const uint8_t *p_data, int i_data )
+static input_attachment_t* ParseFlacPicture( const uint8_t *p_data, int i_data, int i_attachments, int *i_type )
+{
+ int i_len;
+ char *psz_mime = NULL;
+ char psz_name[128];
+ char *psz_description = NULL;
+ input_attachment_t *p_attachment = NULL;
+
+ if( i_data < 4 + 3*4 )
+ return NULL;
+#define RM(x) do { i_data -= (x); p_data += (x); } while(0)
+
+ *i_type = GetDWBE( p_data ); RM(4);
+ i_len = GetDWBE( p_data ); RM(4);
+
+ if( i_len < 0 || i_data < i_len + 4 )
+ goto error;
+ psz_mime = strndup( (const char*)p_data, i_len ); RM(i_len);
+ i_len = GetDWBE( p_data ); RM(4);
+ if( i_len < 0 || i_data < i_len + 4*4 + 4)
+ goto error;
+ psz_description = strndup( (const char*)p_data, i_len ); RM(i_len);
+ EnsureUTF8( psz_description );
+ RM(4*4);
+ i_len = GetDWBE( p_data ); RM(4);
+ if( i_len < 0 || i_len > i_data )
+ goto error;
+
+ /* printf( "Picture type=%d mime=%s description='%s' file length=%d\n",
+ *i_type, psz_mime, psz_description, i_len ); */
+
+ snprintf( psz_name, sizeof(psz_name), "picture%d", i_attachments );
+ if( !strcasecmp( psz_mime, "image/jpeg" ) )
+ strcat( psz_name, ".jpg" );
+ else if( !strcasecmp( psz_mime, "image/png" ) )
+ strcat( psz_name, ".png" );
+
+ p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
+ psz_description, p_data, i_data );
+
+error:
+ free( psz_mime );
+ free( psz_description );
+ return p_attachment;
+}
+
+static inline void vorbis_ParseComment( vlc_meta_t **pp_meta,
+ const uint8_t *p_data, int i_data,
+ int *i_attachments, input_attachment_t ***attachments,
+ int *i_seekpoint, seekpoint_t ***ppp_seekpoint )
{
int n;
int i_comment;
+ int i_attach = 0;
+ seekpoint_t *sk = NULL;
+
if( i_data < 8 )
return;
-#define RM(x) do { i_data -= (x); p_data += (x); } while(0)
n = GetDWLE(p_data); RM(4);
if( n < 0 || n > i_data )
return;
if( !p_meta )
return;
- bool hasTitle = false;
- bool hasAlbum = false;
- bool hasTrackNumber = false;
- bool hasArtist = false;
- bool hasCopyright = false;
- bool hasDescription = false;
- bool hasGenre = false;
- bool hasDate = false;
+ /* */
+ bool hasTitle = false;
+ bool hasAlbum = false;
+ bool hasTrackNumber = false;
+ bool hasTrackTotal = false;
+ bool hasArtist = false;
+ bool hasCopyright = false;
+ bool hasDescription = false;
+ bool hasGenre = false;
+ bool hasDate = false;
+ bool hasPublisher = false;
for( ; i_comment > 0; i_comment-- )
{
- char *psz;
+ char *psz_comment;
if( i_data < 4 )
break;
n = GetDWLE(p_data); RM(4);
if( n <= 0 )
continue;
- psz = strndup( (const char*)p_data, n );
+ psz_comment = strndup( (const char*)p_data, n );
RM(n);
- EnsureUTF8( psz );
+ EnsureUTF8( psz_comment );
#define IF_EXTRACT(txt,var) \
- if( !strncasecmp(psz, txt, strlen(txt)) ) \
+ if( !strncasecmp(psz_comment, txt, strlen(txt)) ) \
{ \
const char *oldval = vlc_meta_Get( p_meta, vlc_meta_ ## var ); \
if( oldval && has##var) \
{ \
char * newval; \
- if( asprintf( &newval, "%s,%s", oldval, &psz[strlen(txt)] ) == -1 ) \
+ if( asprintf( &newval, "%s,%s", oldval, &psz_comment[strlen(txt)] ) == -1 ) \
newval = NULL; \
vlc_meta_Set( p_meta, vlc_meta_ ## var, newval ); \
free( newval ); \
} \
else \
- vlc_meta_Set( p_meta, vlc_meta_ ## var, &psz[strlen(txt)] ); \
+ vlc_meta_Set( p_meta, vlc_meta_ ## var, &psz_comment[strlen(txt)] ); \
has##var = true; \
}
IF_EXTRACT("TITLE=", Title )
else IF_EXTRACT("ALBUM=", Album )
else IF_EXTRACT("TRACKNUMBER=", TrackNumber )
+ else if( !strncasecmp(psz_comment, "TRACKTOTAL=", strlen("TRACKTOTAL=")))
+ vlc_meta_Set( p_meta, vlc_meta_TrackTotal, &psz_comment[strlen("TRACKTOTAL=")] );
+ else if( !strncasecmp(psz_comment, "TOTALTRACKS=", strlen("TOTALTRACKS=")))
+ vlc_meta_Set( p_meta, vlc_meta_TrackTotal, &psz_comment[strlen("TOTALTRACKS=")] );
+ else IF_EXTRACT("TOTALTRACKS=", TrackTotal )
else IF_EXTRACT("ARTIST=", Artist )
else IF_EXTRACT("COPYRIGHT=", Copyright )
+ else IF_EXTRACT("ORGANIZATION=", Publisher )
else IF_EXTRACT("DESCRIPTION=", Description )
+ else IF_EXTRACT("COMMENTS=", Description )
else IF_EXTRACT("GENRE=", Genre )
else IF_EXTRACT("DATE=", Date )
- else if( strchr( psz, '=' ) )
+ else if( !strncasecmp( psz_comment, "METADATA_BLOCK_PICTURE=", strlen("METADATA_BLOCK_PICTURE=")))
+ {
+ if( attachments == NULL )
+ continue;
+
+ int i;
+ uint8_t *p_picture;
+ size_t i_size = vlc_b64_decode_binary( &p_picture, &psz_comment[strlen("METADATA_BLOCK_PICTURE=")]);
+ input_attachment_t *p_attachment = ParseFlacPicture( p_picture, i_size, i_attach, &i );
+ if( p_attachment )
+ {
+ char psz_url[128];
+ snprintf( psz_url, sizeof(psz_url), "attachment://%s", p_attachment->psz_name );
+ vlc_meta_Set( p_meta, vlc_meta_ArtworkURL, psz_url );
+ i_attach++;
+ TAB_APPEND_CAST( (input_attachment_t**),
+ *i_attachments, *attachments, p_attachment );
+ }
+ }
+ else if( !strncasecmp(psz_comment, "chapter", strlen("chapter")) )
+ {
+ if( ppp_seekpoint == NULL )
+ continue;
+
+ int i_chapt;
+ if( strstr( psz_comment, "name") && sscanf( psz_comment, "chapter%i=", &i_chapt ) == 1 )
+ {
+ char *p = strchr( psz_comment, '=' );
+ *p++ = '\0';
+ sk->psz_name = strdup( p );
+ }
+ else if( sscanf( psz_comment, "chapter %i=", &i_chapt ) == 1 )
+ {
+ int h, m, s, ms;
+ char *p = strchr( psz_comment, '=' );
+ *p++ = '\0';
+
+ if( sscanf( p, "%d:%d:%d.%d", &h, &m, &s, &ms ) == 4 )
+ {
+ sk = vlc_seekpoint_New();
+ sk->i_time_offset = ((h * 3600 + m * 60 + s) *1000 + ms) * 1000;
+ TAB_APPEND_CAST( (seekpoint_t**), *i_seekpoint, *ppp_seekpoint, sk );
+ }
+ }
+ }
+ else if( strchr( psz_comment, '=' ) )
{
/* generic (PERFORMER/LICENSE/ORGANIZATION/LOCATION/CONTACT/ISRC,
* undocumented tags and replay gain ) */
- char *p = strchr( psz, '=' );
+ char *p = strchr( psz_comment, '=' );
*p++ = '\0';
- vlc_meta_AddExtra( p_meta, psz, p );
+
+ for( int i = 0; psz_comment[i]; i++ )
+ if( psz_comment[i] >= 'a' && psz_comment[i] <= 'z' )
+ psz_comment[i] -= 'a' - 'A';
+
+ vlc_meta_AddExtra( p_meta, psz_comment, p );
}
#undef IF_EXTRACT
- free( psz );
+ free( psz_comment );
}
#undef RM
}