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;
}
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;
}
