-/* Try detecting embedded art */
-static void DetectImage( FileRef f, demux_t *p_demux )
-{
- demux_meta_t *p_demux_meta = (demux_meta_t *)p_demux->p_private;
- vlc_meta_t *p_meta = p_demux_meta->p_meta;
- int i_score = -1;
-
- /* Preferred type of image
- * The 21 types are defined in id3v2 standard:
- * http://www.id3.org/id3v2.4.0-frames */
- static const int pi_cover_score[] = {
- 0, /* Other */
- 5, /* 32x32 PNG image that should be used as the file icon */
- 4, /* File icon of a different size or format. */
- 20, /* Front cover image of the album. */
- 19, /* Back cover image of the album. */
- 13, /* Inside leaflet page of the album. */
- 18, /* Image from the album itself. */
- 17, /* Picture of the lead artist or soloist. */
- 16, /* Picture of the artist or performer. */
- 14, /* Picture of the conductor. */
- 15, /* Picture of the band or orchestra. */
- 9, /* Picture of the composer. */
- 8, /* Picture of the lyricist or text writer. */
- 7, /* Picture of the recording location or studio. */
- 10, /* Picture of the artists during recording. */
- 11, /* Picture of the artists during performance. */
- 6, /* Picture from a movie or video related to the track. */
- 1, /* Picture of a large, coloured fish. */
- 12, /* Illustration related to the track. */
- 3, /* Logo of the band or performer. */
- 2 /* Logo of the publisher (record company). */
- };
-
- if( MPEG::File *mpeg = dynamic_cast<MPEG::File *>(f.file() ) )
- {
- ID3v2::Tag *p_tag = mpeg->ID3v2Tag();
- if( !p_tag )
- return;
- ID3v2::FrameList list = p_tag->frameListMap()[ "APIC" ];
- if( list.isEmpty() )
- return;
- ID3v2::AttachedPictureFrame *p_apic;
-
- TAB_INIT( p_demux_meta->i_attachments, p_demux_meta->attachments );
- for( ID3v2::FrameList::Iterator iter = list.begin();
- iter != list.end(); iter++ )
- {
- p_apic = dynamic_cast<ID3v2::AttachedPictureFrame*>(*iter);
- input_attachment_t *p_attachment;
-
- const char *psz_name, *psz_mime, *psz_description;
- ByteVector p_data_taglib; const char *p_data; int i_data;
-
- psz_mime = p_apic->mimeType().toCString(true);
- psz_description = psz_name = p_apic->description().toCString(true);
-
- /* some old iTunes version not only sets incorrectly the mime type
- * or the description of the image,
- * but also embeds incorrectly the image.
- * Recent versions seem to behave correctly */
- if( !strncmp( psz_mime, "PNG", 3 ) ||
- !strncmp( psz_name, "\xC2\x89PNG", 5 ) )
- {
- msg_Warn( p_demux,
- "%s: Invalid picture embedded by broken iTunes version, "
- "you really shouldn't use this crappy software.",
- (const char *)f.file()->name() );
- break;
- }
-
- p_data_taglib = p_apic->picture();
- p_data = p_data_taglib.data();
- i_data = p_data_taglib.size();
-
- msg_Dbg( p_demux, "Found embedded art: %s (%s) is %i bytes",
- psz_name, psz_mime, i_data );
-
- p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
- psz_description, p_data, i_data );
- TAB_APPEND_CAST( (input_attachment_t**),
- p_demux_meta->i_attachments, p_demux_meta->attachments,
- p_attachment );
-
- if( pi_cover_score[p_apic->type()] > i_score )
- {
- i_score = pi_cover_score[p_apic->type()];
- char *psz_url;
- if( asprintf( &psz_url, "attachment://%s",
- p_attachment->psz_name ) == -1 )
- return;
- vlc_meta_SetArtURL( p_meta, psz_url );
- free( psz_url );
- }
- }
- }
- else
- if( Ogg::Vorbis::File *oggv = dynamic_cast<Ogg::Vorbis::File *>(f.file() ) )
- {
- Ogg::XiphComment *p_tag = oggv->tag();
- if( !p_tag )
- return;
-
- StringList mime_list = p_tag->fieldListMap()[ "COVERARTMIME" ];
- StringList art_list = p_tag->fieldListMap()[ "COVERART" ];
-
- /* we support only one cover in ogg/vorbis */
- if( mime_list.size() != 1 || art_list.size() != 1 )
- return;
-
- input_attachment_t *p_attachment;
-
- const char *psz_name, *psz_mime, *psz_description;
- uint8_t *p_data;
- int i_data;
-
- psz_name = "cover";
- psz_mime = mime_list[0].toCString(true);
- psz_description = "cover";
-
- i_data = vlc_b64_decode_binary( &p_data, art_list[0].toCString(true) );
-
- msg_Dbg( p_demux, "Found embedded art: %s (%s) is %i bytes",
- psz_name, psz_mime, i_data );
-
- TAB_INIT( p_demux_meta->i_attachments, p_demux_meta->attachments );
- p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
- psz_description, p_data, i_data );
- free( p_data );
-
- TAB_APPEND_CAST( (input_attachment_t**),
- p_demux_meta->i_attachments, p_demux_meta->attachments,
- p_attachment );
-
- vlc_meta_SetArtURL( p_meta, "attachment://cover" );
- }
-
-#if 0
- //flac embedded images are extracted in the flac demuxer
- else if( FLAC::File *flac =
- dynamic_cast<FLAC::File *>(f.file() ) )
- {
- p_tag = flac->ID3v2Tag();
- if( p_tag )
- return;
- ID3v2::FrameList l = p_tag->frameListMap()[ "APIC" ];
- if( l.isEmpty() )
- return;
- vlc_meta_SetArtURL( p_meta, "APIC" );
- }
-#endif
-#if 0
-/* TagLib doesn't support MP4 file yet */
- else if( MP4::File *mp4 =
- dynamic_cast<MP4::File *>( f.file() ) )
- {
- MP4::Tag *mp4tag =
- dynamic_cast<MP4::Tag *>( mp4->tag() );
- if( mp4tag && mp4tag->cover().size() )
- vlc_meta_SetArtURL( p_meta, "MP4C" );
- }
-#endif
-}
-
-
-