Beispiel #1
0
bool TagEditor::open( const QString &fileName )
{
	clear();
#ifdef Q_OS_WIN
	fRef = new FileRef( ( const wchar_t * )fileName.utf16(), false );
#else
	fRef = new FileRef( fileName.toLocal8Bit(), false );
#endif
	if ( !fRef->isNull() && fRef->tag() )
	{
		File &file = *fRef->file();

#if TAGLIB19
		/* Copy ID3v2 to InfoTag */
		if ( instanceOf( file, RIFF::WAV::File ) )
		{
			const Tag &tag = *fRef->tag();
			RIFF::Info::Tag &infoTag = *( ( RIFF::WAV::File & )file ).InfoTag();
			if ( infoTag.isEmpty() && !tag.isEmpty() )
			{
				infoTag.setTitle( tag.title() );
				infoTag.setArtist( tag.artist() );
				infoTag.setAlbum( tag.album() );
				infoTag.setComment( tag.comment() );
				infoTag.setGenre( tag.genre() );
				infoTag.setYear( tag.year() );
				infoTag.setTrack( tag.track() );
			}
		}
#endif

		const Tag &tag = getTag( *fRef, file );
		bool hasTags = !tag.isEmpty();
		setChecked( true );
		if ( hasTags )
		{
			titleE->setText( tag.title().toCString( true ) );
			artistE->setText( tag.artist().toCString( true ) );
			albumE->setText( tag.album().toCString( true ) );
			commentE->setText( tag.comment().toCString( true ) );
			genreE->setText( tag.genre().toCString( true ) );
			yearB->setValue( tag.year() );
			trackB->setValue( tag.track() );
		}
		/* Covers */
		if ( instanceOf( file, MPEG::File ) || instanceOf( file, RIFF::AIFF::File ) )
		{
			pictureB->setEnabled( true );
			if ( hasTags )
			{
				ID3v2::Tag *id3v2 = NULL;
				if ( instanceOf( file, MPEG::File ) )
				{
					MPEG::File &mpegF = ( MPEG::File & )file;
#if TAGLIB19
					if ( mpegF.hasID3v2Tag() )
#endif
						id3v2 = mpegF.ID3v2Tag();
				}
				else if ( instanceOf( file, RIFF::AIFF::File ) )
					id3v2 = ( ( RIFF::AIFF::File & )file ).tag();
				if ( id3v2 )
				{
					const ID3v2::FrameList &frameList = id3v2->frameList( "APIC" );
					if ( !frameList.isEmpty() )
					{
						ID3v2::AttachedPictureFrame &pictureFrame = *( ID3v2::AttachedPictureFrame * )frameList.front();
						pictureMimeType = pictureFrame.mimeType().toCString();
						*picture = pictureFrame.picture();
						pictureB->setChecked( true );
						pictureW->update();
					}
				}
			}
		}
		else if ( instanceOf( file, FLAC::File ) )
		{
			pictureB->setEnabled( true );
			FLAC::File &flacF = ( FLAC::File & )file;
			if ( !flacF.pictureList().isEmpty() )
			{
				FLAC::Picture &flacPicture = *flacF.pictureList().front();
				pictureMimeType = flacPicture.mimeType().toCString();
				*picture = flacPicture.data();
				pictureB->setChecked( true );
				pictureW->update();
				hasTags = true;
			}
		}
		else if ( instanceOf( file, MP4::File ) )
		{
			MP4::ItemListMap &itemListMap = ( ( MP4::File & )file ).tag()->itemListMap();
			MP4::ItemListMap::ConstIterator it = itemListMap.find( "covr" );
			pictureB->setEnabled( true );
			if ( it != itemListMap.end() )
			{
				MP4::CoverArtList coverArtList = it->second.toCoverArtList();
				if ( !coverArtList.isEmpty() )
				{
					MP4::CoverArt coverArt = coverArtList.front();
					switch ( coverArt.format() )
					{
						case MP4::CoverArt::JPEG:
							pictureMimeType = "image/jpeg";
							break;
						case MP4::CoverArt::PNG:
							pictureMimeType = "image/png";
							break;
#if TAGLIB18
						case MP4::CoverArt::BMP:
							pictureMimeType = "image/bmp";
							break;
						case MP4::CoverArt::GIF:
							pictureMimeType = "image/gif";
							break;
#endif
						default:
							break;
					}
					if ( !pictureMimeType.isEmpty() )
					{
						*picture = coverArt.data();
						pictureB->setChecked( true );
						pictureW->update();
						hasTags = true;
					}
				}
			}
		}
		else if ( isOgg( file ) )
		{
			const Ogg::XiphComment *xiphComment = getXiphComment( file );
			if ( xiphComment )
			{
				const Ogg::FieldListMap &fieldListMap = xiphComment->fieldListMap();
				Ogg::FieldListMap::ConstIterator it = fieldListMap.find( "METADATA_BLOCK_PICTURE" );
				pictureB->setEnabled( true );
				if ( it != fieldListMap.end() && !it->second.isEmpty() )
				{
					/* OGG picture and FLAC picture are the same except OGG picture is encoded into Base64 */
					QByteArray pict_frame_decoded = QByteArray::fromBase64( it->second.front().toCString() );
					FLAC::Picture flacPicture;
					if ( flacPicture.parse( ByteVector( pict_frame_decoded.data(), pict_frame_decoded.size() ) ) )
					{
						pictureMimeType = flacPicture.mimeType().toCString();
						*picture = flacPicture.data();
						pictureB->setChecked( true );
						pictureW->update();
					}
				}
			}
		}
		pictureBChecked = pictureB->isChecked();
		setChecked( hasTags );
		return true;
	}
	delete fRef;
	fRef = NULL;
	return false;
}
Beispiel #2
0
void FLAC::File::scan()
{
  // Scan the metadata pages

  if(d->scanned)
    return;

  if(!isValid())
    return;

  long nextBlockOffset;

  if(d->hasID3v2)
    nextBlockOffset = find("fLaC", d->ID3v2Location + d->ID3v2OriginalSize);
  else
    nextBlockOffset = find("fLaC");

  if(nextBlockOffset < 0) {
    debug("FLAC::File::scan() -- FLAC stream not found");
    setValid(false);
    return;
  }

  nextBlockOffset += 4;
  d->flacStart = nextBlockOffset;

  seek(nextBlockOffset);

  ByteVector header = readBlock(4);

  // Header format (from spec):
  // <1> Last-metadata-block flag
  // <7> BLOCK_TYPE
  //    0 : STREAMINFO
  //    1 : PADDING
  //    ..
  //    4 : VORBIS_COMMENT
  //    ..
  // <24> Length of metadata to follow

  char blockType = header[0] & 0x7f;
  bool isLastBlock = (header[0] & 0x80) != 0;
  uint length = header.mid(1, 3).toUInt();

  // First block should be the stream_info metadata

  if(blockType != MetadataBlock::StreamInfo) {
    debug("FLAC::File::scan() -- invalid FLAC stream");
    setValid(false);
    return;
  }

  d->streamInfoData = readBlock(length);
  d->blocks.append(new UnknownMetadataBlock(blockType, d->streamInfoData));
  nextBlockOffset += length + 4;

  // Search through the remaining metadata
  while(!isLastBlock) {

    header = readBlock(4);
    blockType = header[0] & 0x7f;
    isLastBlock = (header[0] & 0x80) != 0;
    length = header.mid(1, 3).toUInt();

    ByteVector data = readBlock(length);
    if(data.size() != length || length == 0) {
      debug("FLAC::File::scan() -- FLAC stream corrupted");
      setValid(false);
      return;
    }

    MetadataBlock *block = 0;

    // Found the vorbis-comment
    if(blockType == MetadataBlock::VorbisComment) {
      if(!d->hasXiphComment) {
        d->xiphCommentData = data;
        d->hasXiphComment = true;
      }
      else {
        debug("FLAC::File::scan() -- multiple Vorbis Comment blocks found, using the first one");
      }
    }
    else if(blockType == MetadataBlock::Picture) {
      FLAC::Picture *picture = new FLAC::Picture();
      if(picture->parse(data)) {
        block = picture;
      }
      else {
        debug("FLAC::File::scan() -- invalid picture found, discarting");
        delete picture;
      }
    }

    if(!block) {
      block = new UnknownMetadataBlock(blockType, data);
    }
    if(block->code() != MetadataBlock::Padding) {
      d->blocks.append(block);
    }
    else {
      delete block;
    }

    nextBlockOffset += length + 4;

    if(nextBlockOffset >= File::length()) {
      debug("FLAC::File::scan() -- FLAC stream corrupted");
      setValid(false);
      return;
    }
    seek(nextBlockOffset);
  }

  // End of metadata, now comes the datastream

  d->streamStart = nextBlockOffset;
  d->streamLength = File::length() - d->streamStart;

  if(d->hasID3v1)
    d->streamLength -= 128;

  d->scanned = true;
}