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/****************************************************************************************
* Copyright (C) 2003-2005 Max Howell <max.howell@methylblue.com> *
* (C) 2003-2010 Mark Kretschmann <kretschmann@kde.org> *
* (C) 2005-2007 Alexandre Oliveira <aleprj@gmail.com> *
* (C) 2008 Dan Meltzer <parallelgrapefruit@gmail.com> *
* (C) 2008-2009 Jeff Mitchell <mitchell@kde.org> *
* (C) 2010 Ralf Engels <ralf-engels@gmx.de> *
* (c) 2010 Sergey Ivanov <123kash@gmail.com> *
* *
* 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 (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. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************************/
#include "MP4TagHelper.h"
#include "StringHelper.h"
#include <QBuffer>
#include <QImage>
using namespace Meta::Tag;
MP4TagHelper::MP4TagHelper( TagLib::Tag *tag, TagLib::MP4::Tag *mp4Tag, Amarok::FileType fileType )
: TagHelper( tag, fileType )
, m_tag( mp4Tag )
{
m_fieldMap.insert( Meta::valAlbumArtist, TagLib::String( "aART" ) );
m_fieldMap.insert( Meta::valBpm, TagLib::String( "tmpo" ) );
m_fieldMap.insert( Meta::valCompilation, TagLib::String( "cpil" ) );
m_fieldMap.insert( Meta::valComposer, TagLib::String( "\xA9wrt" ) );
m_fieldMap.insert( Meta::valDiscNr, TagLib::String( "disk" ) );
m_fieldMap.insert( Meta::valHasCover, TagLib::String( "covr" ) );
m_fieldMap.insert( Meta::valPlaycount, TagLib::String( "----:com.apple.iTunes:FMPS_Playcount" ) );
m_fieldMap.insert( Meta::valRating, TagLib::String( "----:com.apple.iTunes:FMPS_Rating" ) );
m_fieldMap.insert( Meta::valScore, TagLib::String( "----:com.apple.iTunes:FMPS_Rating_Amarok_Score" ) );
m_fieldMap.insert( Meta::valLyrics, TagLib::String( "\xa9lyr" ) );
m_uidFieldMap.insert( UIDAFT, TagLib::String( "----:com.apple.iTunes:Amarok 2 AFTv1 - amarok.kde.org" ) );
}
Meta::FieldHash
MP4TagHelper::tags() const
{
Meta::FieldHash data = TagHelper::tags();
TagLib::MP4::ItemMap map = m_tag->itemMap();
for( TagLib::MP4::ItemMap::ConstIterator it = map.begin(); it != map.end(); ++it )
{
qint64 field;
QString value = TStringToQString( it->second.toStringList().toString( '\n' ) );
if( ( field = fieldName( it->first ) ) )
{
if( field == Meta::valHasCover )
{
TagLib::MP4::CoverArtList coverList = it->second.toCoverArtList();
for( TagLib::MP4::CoverArtList::ConstIterator it = coverList.begin(); it != coverList.end(); ++it )
if( it->data().size() > MIN_COVER_SIZE )
{
data.insert( field, true );
break;
}
}
// http://gitorious.org/~jefferai/xdg-specs/jefferais-xdg-specs/blobs/mediaspecs/specifications/FMPSpecs/specification.txt sais that mp4 tags should be saved as strings
else if( field == Meta::valPlaycount )
data.insert( field, value.toInt() );
else if( field == Meta::valRating )
data.insert( field, qRound( value.toFloat() * 10.0 ) );
else if( field == Meta::valScore )
data.insert( field, value.toFloat() * 100.0 );
else if( field == Meta::valBpm )
data.insert( field, it->second.toInt() );
else if( field == Meta::valDiscNr )
data.insert( field, it->second.toIntPair().first );
else if( field == Meta::valCompilation )
data.insert( field, it->second.toBool() );
else
data.insert( field, value );
}
else if( it->first == uidFieldName( UIDAFT ) && isValidUID( value, UIDAFT ) )
data.insert( Meta::valUniqueId, value );
}
return data;
}
bool
MP4TagHelper::setTags( const Meta::FieldHash &changes )
{
bool modified = TagHelper::setTags( changes );
for( const qint64 key : changes.keys() )
{
QVariant value = changes.value( key );
TagLib::String field = fieldName( key );
if( !field.isEmpty() )
{
// http://gitorious.org/~jefferai/xdg-specs/jefferais-xdg-specs/blobs/mediaspecs/specifications/FMPSpecs/specification.txt sais that mp4 tags should be saved as strings
if( key == Meta::valHasCover )
continue;
else if( key == Meta::valRating )
m_tag->setItem(field, TagLib::StringList( Qt4QStringToTString( QString::number( value.toFloat() / 10.0 ) ) ));
else if( key == Meta::valScore )
m_tag->setItem(field, TagLib::StringList( Qt4QStringToTString( QString::number( value.toFloat() / 100.0 ) ) ));
else if( key == Meta::valBpm || key == Meta::valDiscNr )
m_tag->setItem(field, TagLib::MP4::Item( value.toInt(), 0 ));
else if( key == Meta::valCompilation )
m_tag->setItem(field, TagLib::MP4::Item( value.toBool() ));
else
m_tag->setItem(field, TagLib::StringList( Qt4QStringToTString( value.toString() ) ));
modified = true;
}
else if( key == Meta::valUniqueId )
{
QPair < UIDType, QString > uidPair = splitUID( value.toString() );
if( uidPair.first == UIDInvalid )
continue;
m_tag->setItem(uidFieldName( uidPair.first ), TagLib::StringList( Qt4QStringToTString( uidPair.second ) ));
modified = true;
}
}
return modified;
}
bool
MP4TagHelper::hasEmbeddedCover() const
{
TagLib::MP4::ItemMap map = m_tag->itemMap();
TagLib::String name = fieldName( Meta::valHasCover );
for( TagLib::MP4::ItemMap::ConstIterator it = map.begin(); it != map.end(); ++it )
{
if( it->first == name )
{
TagLib::MP4::CoverArtList coverList = it->second.toCoverArtList();
for( TagLib::MP4::CoverArtList::ConstIterator cover = coverList.begin(); cover != coverList.end(); ++cover )
{
if( cover->data().size() > MIN_COVER_SIZE )
return true;
}
}
}
return false;
}
QImage
MP4TagHelper::embeddedCover() const
{
TagLib::MP4::ItemMap map = m_tag->itemMap();
TagLib::String name = fieldName( Meta::valHasCover );
for( TagLib::MP4::ItemMap::ConstIterator it = map.begin(); it != map.end(); ++it )
{
if( it->first == name )
{
TagLib::MP4::CoverArtList coverList = it->second.toCoverArtList();
for( TagLib::MP4::CoverArtList::Iterator cover = coverList.begin(); cover != coverList.end(); ++cover )
{
if( cover->data().size() > MIN_COVER_SIZE )
return QImage::fromData( ( uchar * ) cover->data().data(), cover->data().size() );
}
}
}
return QImage();
}
bool
MP4TagHelper::setEmbeddedCover( const QImage &cover )
{
QByteArray bytes;
QBuffer buffer( &bytes );
buffer.open( QIODevice::WriteOnly );
if( !cover.save( &buffer, "JPEG" ) )
{
buffer.close();
return false;
}
buffer.close();
TagLib::MP4::CoverArtList covers;
covers.append( TagLib::MP4::CoverArt( TagLib::MP4::CoverArt::JPEG, TagLib::ByteVector( bytes.data(), bytes.size() ) ) );
m_tag->setItem(fieldName( Meta::valHasCover ), TagLib::MP4::Item( covers ));
return true;
}
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