C++ FrameList::begin方法代码示例

UnsynchronizedLyricsFrame *UnsynchronizedLyricsFrame::findByDescription(const ID3v2::Tag *tag, const String &d) // static
{
  ID3v2::FrameList lyrics = tag->frameList("USLT");

  for(ID3v2::FrameList::ConstIterator it = lyrics.begin(); it != lyrics.end(); ++it){
    UnsynchronizedLyricsFrame *frame = dynamic_cast<UnsynchronizedLyricsFrame *>(*it);
    if(frame && frame->description() == d)
      return frame;
  }
  return 0;
}

CommentsFrame *CommentsFrame::findByDescription(const ID3v2::Tag *tag, const String &d) // static
{
  ID3v2::FrameList comments = tag->frameList("COMM");

  for(ID3v2::FrameList::ConstIterator it = comments.begin();
      it != comments.end();
      ++it)
  {
    CommentsFrame *frame = dynamic_cast<CommentsFrame *>(*it);
    if(frame && frame->description() == d)
      return frame;
  }

  return 0;
}

ChapterFrame *ChapterFrame::findByElementID(const ID3v2::Tag *tag, const ByteVector &eID) // static
{
  ID3v2::FrameList comments = tag->frameList("CHAP");

  for(ID3v2::FrameList::ConstIterator it = comments.begin();
      it != comments.end();
      ++it)
  {
    ChapterFrame *frame = dynamic_cast<ChapterFrame *>(*it);
    if(frame && frame->elementID() == eID)
      return frame;
  }

  return 0;
}

TableOfContentsFrame *TableOfContentsFrame::findTopLevel(const ID3v2::Tag *tag) // static
{
  ID3v2::FrameList tablesOfContents = tag->frameList("CTOC");

  for(ID3v2::FrameList::ConstIterator it = tablesOfContents.begin();
      it != tablesOfContents.end();
      ++it)
  {
    TableOfContentsFrame *frame = dynamic_cast<TableOfContentsFrame *>(*it);
    if(frame && frame->isTopLevel() == true)
      return frame;
  }

  return 0;
}

UniqueFileIdentifierFrame *UniqueFileIdentifierFrame::findByOwner(const ID3v2::Tag *tag, const String &o) // static
{
  ID3v2::FrameList comments = tag->frameList("UFID");

  for(ID3v2::FrameList::ConstIterator it = comments.begin();
      it != comments.end();
      ++it)
  {
    UniqueFileIdentifierFrame *frame = dynamic_cast<UniqueFileIdentifierFrame *>(*it);
    if(frame && frame->owner() == o)
      return frame;
  }

  return 0;
}

TableOfContentsFrame *TableOfContentsFrame::findByElementID(const ID3v2::Tag *tag, const ByteVector &eID) // static
{
  ID3v2::FrameList tablesOfContents = tag->frameList("CTOC");

  for(ID3v2::FrameList::ConstIterator it = tablesOfContents.begin();
      it != tablesOfContents.end();
      ++it)
  {
    TableOfContentsFrame *frame = dynamic_cast<TableOfContentsFrame *>(*it);
    if(frame && frame->elementID() == eID)
      return frame;
  }

  return 0;
}

//.........这里部分代码省略.........
						flacPicture.setType( FLAC::Picture::FrontCover );
						flacPicture.setData( *picture );
						const ByteVector pict_data = flacPicture.render();
						xiphComment->addField( "METADATA_BLOCK_PICTURE", QByteArray::fromRawData( pict_data.data(), pict_data.size() ).toBase64().data() );
					}
					mustSave = true;
				}
			}
		}
		else if ( !isChecked() ) //Usuwanie wszystkich znanych tagów
		{
			mustSave = true;

			if ( instanceOf( file, MPEG::File ) )
				( ( MPEG::File & )file ).strip();
			else if ( instanceOf( file, MPC::File ) )
				( ( MPC::File & )file ).strip();
			else if ( instanceOf( file, WavPack::File ) )
				( ( WavPack::File & )file ).strip();
			else if ( instanceOf( file, TrueAudio::File ) )
				( ( TrueAudio::File & )file ).strip();
			else if ( instanceOf( file, APE::File ) )
				( ( APE::File & )file ).strip();
			else if ( instanceOf( file, MP4::File ) )
				( ( MP4::File & )file ).tag()->itemListMap().clear();
			else if ( instanceOf( file, ASF::File ) )
				( ( ASF::File & )file ).tag()->attributeListMap().clear();
			else if ( isOgg( file ) )
				removeXiphComment( getXiphComment( file ) );
			else if ( instanceOf( file, FLAC::File ) )
			{
				FLAC::File &flacF = ( FLAC::File & )file;
				flacF.removePictures();
#if TAGLIB19
				if ( flacF.hasXiphComment() )
#endif
					removeXiphComment( flacF.xiphComment() );
			}
			else if ( instanceOf( file, RIFF::AIFF::File ) )
			{
				ID3v2::Tag *id3v2 = ( ( RIFF::AIFF::File & )file ).tag();
				if ( id3v2 )
				{
					ID3v2::FrameList frameList = id3v2->frameList();
					for ( ID3v2::FrameList::ConstIterator it = frameList.begin() ; it != frameList.end() ; ++it )
						id3v2->removeFrame( *it );
				}
			}
#if TAGLIB18
			else if ( instanceOf( file, Mod::File ) || instanceOf( file, S3M::File ) || instanceOf( file, IT::File ) || instanceOf( file, XM::File ) )
			{
				Mod::Tag *modTag = NULL;
				if ( instanceOf( file, Mod::File ) )
					modTag = ( ( Mod::File & )file ).tag();
				else if ( instanceOf( file, S3M::File ) )
					modTag = ( ( S3M::File & )file ).tag();
				else if ( instanceOf( file, IT::File ) )
					modTag = ( ( IT::File & )file ).tag();
				else if ( instanceOf( file, XM::File ) )
					modTag = ( ( XM::File & )file ).tag();
				if ( modTag )
					modTag->setTrackerName( String::null );
			}
#endif
		}

		/* FLAC::File writer BUG workaround - remove ID3 tags */
		if ( mustSave && instanceOf( file, FLAC::File ) )
		{
			FLAC::File &flacF = ( FLAC::File & )file;
#if TAGLIB19
			if ( flacF.hasID3v1Tag() || flacF.hasID3v2Tag() )
#else
			if ( flacF.ID3v1Tag() || flacF.ID3v2Tag() )
#endif
			{
				const FileName fName = fRef->file()->name();
				result = fRef->save();
				delete fRef;
				fRef = NULL;
				if ( result )
					result = MPEG::File( fName, false ).save( MPEG::File::NoTags );
				mustSave = false;
			}
		}

#if TAGLIB19
		/* No ID3v2 in WAV, only InfoTag */
		if ( mustSave && instanceOf( file, RIFF::WAV::File ) )
		{
			RIFF::WAV::File &wavF = ( RIFF::WAV::File & )file;
			wavF.save( wavF.InfoTag()->isEmpty() ? RIFF::WAV::File::NoTags : RIFF::WAV::File::Info );
			mustSave = false;
		}
#endif

		return mustSave ? fRef->save() : ( fRef ? true : result );
	}
	return false;
}

/**
 * Read meta information from id3v2 tags
 * @param tag: the id3v2 tag
 * @param p_demux; the demux object
 * @param p_demux_meta: the demuxer meta
 * @param p_meta: the meta
 */
static void ReadMetaFromId3v2( ID3v2::Tag* tag, demux_t* p_demux, demux_meta_t* p_demux_meta, vlc_meta_t* p_meta )
{
    // Get the unique file identifier
    ID3v2::FrameList list = tag->frameListMap()["UFID"];
    ID3v2::FrameList::Iterator iter;
    for( iter = list.begin(); iter != list.end(); iter++ )
    {
        ID3v2::UniqueFileIdentifierFrame* p_ufid =
                dynamic_cast<ID3v2::UniqueFileIdentifierFrame*>(*iter);
        const char *owner = p_ufid->owner().toCString();
        if (!strcmp( owner, "http://musicbrainz.org" ))
        {
            /* ID3v2 UFID contains up to 64 bytes binary data
             * but in our case it will be a '\0'
             * terminated string */
            char psz_ufid[64];
            int max_size = __MIN( p_ufid->identifier().size(), 63);
            strncpy( psz_ufid, p_ufid->identifier().data(), max_size );
            psz_ufid[max_size] = '\0';
            vlc_meta_SetTrackID( p_meta, psz_ufid );
        }
    }

    // Get the use text
    list = tag->frameListMap()["TXXX"];
    for( iter = list.begin(); iter != list.end(); iter++ )
    {
        ID3v2::UserTextIdentificationFrame* p_txxx =
                dynamic_cast<ID3v2::UserTextIdentificationFrame*>(*iter);
        vlc_meta_AddExtra( p_meta, p_txxx->description().toCString( true ),
                           p_txxx->fieldList().toString().toCString( true ) );
    }

    // Get some more informations
#define SET( tagName, metaName )                                               \
    list = tag->frameListMap()[tagName];                                       \
    if( !list.isEmpty() )                                                      \
        vlc_meta_Set##metaName( p_meta,                                        \
                                (*list.begin())->toString().toCString( true ) );

    SET( "TCOP", Copyright );
    SET( "TENC", EncodedBy );
    SET( "TLAN", Language );
    SET( "TPUB", Publisher );

#undef SET

    /* 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). */
    };
    int i_score = -1;

    // Try now to get embedded art
    list = tag->frameListMap()[ "APIC" ];
    if( list.isEmpty() )
        return;

    TAB_INIT( p_demux_meta->i_attachments, p_demux_meta->attachments );
    for( iter = list.begin(); iter != list.end(); iter++ )
    {
        ID3v2::AttachedPictureFrame* p_apic =
            dynamic_cast<ID3v2::AttachedPictureFrame*>(*iter);
        input_attachment_t *p_attachment;

        const char *psz_mime;
        char *psz_name, *psz_description;

        // Get the mime and description of the image.
        // If the description is empty, take the type as a description
        psz_mime = p_apic->mimeType().toCString( true );
//.........这里部分代码省略.........