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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 "ID3v2TagHelper.h"
#include "StringHelper.h"
#include <QBuffer>
#include <QImage>
#include <attachedpictureframe.h>
#include <popularimeterframe.h>
#include <textidentificationframe.h>
#include <uniquefileidentifierframe.h>
#include <unsynchronizedlyricsframe.h>
const TagLib::ByteVector TXXX_Frame = "TXXX";
const TagLib::ByteVector POPM_Frame = "POPM";
using namespace Meta::Tag;
ID3v2TagHelper::ID3v2TagHelper( TagLib::Tag *tag, TagLib::ID3v2::Tag *id3v2Tag, Amarok::FileType fileType )
: TagHelper( tag, fileType )
, m_tag( id3v2Tag )
{
m_fieldMap.insert( Meta::valAlbumArtist, TagLib::String( "TPE2" ) );
m_fieldMap.insert( Meta::valBpm, TagLib::String( "TBPM" ) );
m_fieldMap.insert( Meta::valCompilation, TagLib::String( "TCMP" ) );
m_fieldMap.insert( Meta::valComposer, TagLib::String( "TCOM" ) );
m_fieldMap.insert( Meta::valDiscNr, TagLib::String( "TPOS" ) );
m_fieldMap.insert( Meta::valHasCover, TagLib::String( "APIC" ) );
m_fieldMap.insert( Meta::valUniqueId, TagLib::String( "UFID" ) );
m_fieldMap.insert( Meta::valLyrics, TagLib::String( "USLT" ) );
m_fmpsFieldMap.insert( FMPSPlayCount, TagLib::String( "FMPS_Playcount" ) );
m_fmpsFieldMap.insert( FMPSRating, TagLib::String( "FMPS_Rating" ) );
m_fmpsFieldMap.insert( FMPSScore, TagLib::String( "FMPS_Rating_Amarok_Score" ) );
m_uidFieldMap.insert( UIDAFT, TagLib::String( "Amarok 2 AFTv1 - amarok.kde.org" ) );
}
Meta::FieldHash
ID3v2TagHelper::tags() const
{
Meta::FieldHash data = TagHelper::tags();
TagLib::ID3v2::FrameList list = m_tag->frameList();
for( TagLib::ID3v2::FrameList::ConstIterator it = list.begin(); it != list.end(); ++it )
{
qint64 field;
TagLib::String frameName = TagLib::String( ( *it )->frameID() );
if( ( field = fieldName( frameName ) ) )
{
if( field == Meta::valUniqueId )
{
TagLib::ID3v2::UniqueFileIdentifierFrame *frame =
dynamic_cast< TagLib::ID3v2::UniqueFileIdentifierFrame * >( *it );
if( !frame )
continue;
QString identifier = TStringToQString( TagLib::String( frame->identifier() ) );
if( identifier.isEmpty() )
continue;
if( frame->owner() == uidFieldName( UIDAFT ) && isValidUID( identifier, UIDAFT ) )
data.insert( Meta::valUniqueId, identifier );
continue;
}
else if( field == Meta::valHasCover )
{
TagLib::ID3v2::AttachedPictureFrame *frame =
dynamic_cast< TagLib::ID3v2::AttachedPictureFrame * >( *it );
if( !frame )
continue;
if( ( frame->type() == TagLib::ID3v2::AttachedPictureFrame::FrontCover ||
frame->type() == TagLib::ID3v2::AttachedPictureFrame::Other ) &&
frame->picture().size() > MIN_COVER_SIZE ) // must be at least 1kb
{
data.insert( Meta::valHasCover, true );
}
continue;
}
else if( field == Meta::valLyrics )
{
TagLib::ID3v2::UnsynchronizedLyricsFrame *lyricsFrame =
dynamic_cast<TagLib::ID3v2::UnsynchronizedLyricsFrame*>( *it );
if( lyricsFrame && !data.contains( Meta::valLyrics ) ) // only read the first frame for valLyrics
data.insert( Meta::valLyrics, TStringToQString( lyricsFrame->text() ) );
continue;
}
TagLib::ID3v2::TextIdentificationFrame *frame =
dynamic_cast< TagLib::ID3v2::TextIdentificationFrame * >( *it );
if( !frame )
continue;
QString value = TStringToQString( frame->fieldList().toString( '\n' ) );
if( field == Meta::valDiscNr )
{
int disc;
if( ( disc = splitDiscNr( value ).first ) )
data.insert( field, disc );
}
else if( field == Meta::valBpm )
data.insert( field, value.toFloat() );
else
data.insert( field, value );
}
else if( frameName == POPM_Frame )
{
TagLib::ID3v2::PopularimeterFrame *frame =
dynamic_cast< TagLib::ID3v2::PopularimeterFrame * >( *it );
if( !frame )
continue;
if( TStringToQString( frame->email() ).isEmpty() ) // only read anonymous ratings
{
// FMPS tags have precedence
if( !data.contains( Meta::valRating ) && frame->rating() != 0 )
data.insert( Meta::valRating, qRound( frame->rating() / 256.0 * 10.0 ) );
if( !data.contains( Meta::valPlaycount ) && frame->counter() < 10000 )
data.insert( Meta::valPlaycount, frame->counter() );
}
}
else if( frameName == TXXX_Frame )
{
TagLib::ID3v2::UserTextIdentificationFrame *frame =
dynamic_cast< TagLib::ID3v2::UserTextIdentificationFrame * >( *it );
if( !frame )
continue;
// the value of the user text frame is stored in the
// second and following fields.
TagLib::StringList fields = frame->fieldList();
if( fields.size() >= 2 )
{
QString value = TStringToQString( fields[1] );
if( fields[0] == fmpsFieldName( FMPSRating ) )
data.insert( Meta::valRating, qRound( value.toFloat() * 10.0 ) );
else if( fields[0] == fmpsFieldName( FMPSScore ) )
data.insert( Meta::valScore, value.toFloat() * 100.0 );
else if( fields[0] == fmpsFieldName( FMPSPlayCount ) )
data.insert( Meta::valPlaycount, value.toFloat() );
}
}
}
return data;
}
bool
ID3v2TagHelper::setTags( const Meta::FieldHash &changes )
{
bool modified = TagHelper::setTags( changes );
for( const qint64 key : changes.keys() )
{
QVariant value = changes.value( key );
TagLib::ByteVector field( fieldName( key ).toCString() );
if( !field.isEmpty() )
{
if( key == Meta::valHasCover )
continue;
else if( key == Meta::valUniqueId )
{
QPair< UIDType, QString > uidPair = splitUID( value.toString() );
if( uidPair.first == UIDInvalid )
continue;
TagLib::String owner = uidFieldName( uidPair.first );
TagLib::ByteVector uid( uidPair.second.toLatin1().data() );
TagLib::ID3v2::FrameList list = m_tag->frameList();
for( TagLib::ID3v2::FrameList::ConstIterator it = list.begin(); it != list.end(); ++it )
{
if( ( *it )->frameID() == field )
{
TagLib::ID3v2::UniqueFileIdentifierFrame *frame =
dynamic_cast< TagLib::ID3v2::UniqueFileIdentifierFrame * >( *it );
if( !frame )
continue;
if( frame->owner() == owner )
{
m_tag->removeFrame( frame );
modified = true;
break;
}
}
}
if ( !uid.isEmpty() )
{
m_tag->addFrame( new TagLib::ID3v2::UniqueFileIdentifierFrame( owner, uid ) );
modified = true;
}
continue;
}
else if( key == Meta::valLyrics )
{
if( !m_tag->frameList( field ).isEmpty() )
{
m_tag->removeFrames( field );
modified = true;
}
QString lyrics = changes.value( key ).toString();
if( lyrics.isEmpty() )
continue;
TagLib::ID3v2::UnsynchronizedLyricsFrame *frame = new TagLib::ID3v2::UnsynchronizedLyricsFrame( TagLib::String::UTF8 );
frame->setText( Qt4QStringToTString( lyrics ) );
m_tag->addFrame( frame );
modified = true;
continue;
}
TagLib::String tValue = Qt4QStringToTString( ( key == Meta::valCompilation )
? QString::number( value.toInt() )
: value.toString() );
if( tValue.isEmpty() )
m_tag->removeFrames( field );
else
{
TagLib::ID3v2::TextIdentificationFrame *frame = nullptr;
if( !m_tag->frameListMap()[field].isEmpty() )
frame = dynamic_cast< TagLib::ID3v2::TextIdentificationFrame * >(
m_tag->frameListMap()[field].front()
);
if( !frame )
{
frame = new TagLib::ID3v2::TextIdentificationFrame( field );
m_tag->addFrame( frame );
}
// note: TagLib is smart enough to automatically set UTF8 encoding if needed.
frame->setText( tValue );
}
modified = true;
}
else if( key == Meta::valScore || key == Meta::valRating || key == Meta::valPlaycount )
{
TagLib::String description;
TagLib::String tValue;
if( key == Meta::valRating )
{
description = fmpsFieldName( FMPSRating );
tValue = Qt4QStringToTString( QString::number( value.toFloat() / 10.0 ) );
}
else if( key == Meta::valScore )
{
description = fmpsFieldName( FMPSScore );
tValue = Qt4QStringToTString( QString::number( value.toFloat() / 100.0 ) );
}
else if( key == Meta::valPlaycount )
{
description = fmpsFieldName( FMPSPlayCount );
tValue = Qt4QStringToTString( QString::number( value.toInt() ) );
}
if( key == Meta::valRating || key == Meta::valPlaycount )
{
TagLib::ID3v2::PopularimeterFrame *popFrame = nullptr;
if( !m_tag->frameListMap()[POPM_Frame].isEmpty() )
popFrame = dynamic_cast< TagLib::ID3v2::PopularimeterFrame * >( m_tag->frameListMap()[POPM_Frame].front() );
if( !popFrame )
{
popFrame = new TagLib::ID3v2::PopularimeterFrame( POPM_Frame );
m_tag->addFrame( popFrame );
}
if( key == Meta::valRating )
popFrame->setRating( qBound(0, int(qRound(value.toDouble() / 10.0 * 256)), 255) );
else
popFrame->setCounter( value.toInt() );
modified = true;
}
TagLib::ID3v2::FrameList list = m_tag->frameList();
for( TagLib::ID3v2::FrameList::ConstIterator it = list.begin(); it != list.end(); ++it )
{
if( ( *it )->frameID() == TXXX_Frame )
{
TagLib::ID3v2::UserTextIdentificationFrame *frame =
dynamic_cast< TagLib::ID3v2::UserTextIdentificationFrame * >( *it );
if( !frame )
continue;
if( frame->description() == description )
{
m_tag->removeFrame( frame );
modified = true;
break;
}
}
}
if( value.toBool() )
{
TagLib::ID3v2::UserTextIdentificationFrame *frame =
new TagLib::ID3v2::UserTextIdentificationFrame( TXXX_Frame );
frame->setDescription( description );
frame->setText( tValue );
m_tag->addFrame( frame );
modified = true;
}
}
}
return modified;
}
TagLib::ByteVector
ID3v2TagHelper::render() const
{
return m_tag->render();
}
bool
ID3v2TagHelper::hasEmbeddedCover() const
{
TagLib::ID3v2::FrameList apicList = m_tag->frameListMap()[fieldName( Meta::valHasCover ).toCString()];
for( TagLib::ID3v2::FrameList::ConstIterator it = apicList.begin(); it != apicList.end(); ++it )
{
TagLib::ID3v2::AttachedPictureFrame *currFrame =
dynamic_cast< TagLib::ID3v2::AttachedPictureFrame * >( *it );
if( currFrame->picture().size() < MIN_COVER_SIZE )
continue;
if( currFrame->type() == TagLib::ID3v2::AttachedPictureFrame::FrontCover ||
currFrame->type() == TagLib::ID3v2::AttachedPictureFrame::Other )
return true;
}
return false;
}
QImage
ID3v2TagHelper::embeddedCover() const
{
TagLib::ID3v2::FrameList apicList = m_tag->frameListMap()[fieldName( Meta::valHasCover ).toCString()];
TagLib::ID3v2::AttachedPictureFrame *cover = nullptr;
TagLib::ID3v2::AttachedPictureFrame *otherCover = nullptr;
for( TagLib::ID3v2::FrameList::ConstIterator it = apicList.begin(); it != apicList.end(); ++it )
{
TagLib::ID3v2::AttachedPictureFrame *currFrame =
dynamic_cast< TagLib::ID3v2::AttachedPictureFrame * >( *it );
if( currFrame->picture().size() < MIN_COVER_SIZE )
continue;
if( currFrame->type() == TagLib::ID3v2::AttachedPictureFrame::FrontCover )
{
cover = currFrame;
}
else if( currFrame->type() == TagLib::ID3v2::AttachedPictureFrame::Other )
{
otherCover = currFrame;
}
}
if( !cover && otherCover )
cover = otherCover;
if( !cover )
return QImage();
return QImage::fromData( ( uchar * )( cover->picture().data() ), cover->picture().size() );
}
bool
ID3v2TagHelper::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::ByteVector field = fieldName( Meta::valHasCover ).toCString();
TagLib::ID3v2::FrameList apicList = m_tag->frameListMap()[field];
TagLib::ID3v2::AttachedPictureFrame *frontCover = nullptr;
// remove covers
TagLib::List<TagLib::ID3v2::AttachedPictureFrame*> backedUpPictures;
for( TagLib::ID3v2::FrameList::ConstIterator it = apicList.begin(); it != apicList.end(); ++it )
{
TagLib::ID3v2::AttachedPictureFrame *currFrame =
dynamic_cast< TagLib::ID3v2::AttachedPictureFrame * >( *it );
m_tag->removeFrame( currFrame, false );
}
// add new cover
frontCover = new TagLib::ID3v2::AttachedPictureFrame( field );
frontCover->setMimeType( "image/jpeg" );
frontCover->setPicture( TagLib::ByteVector( bytes.data(), bytes.size() ) );
frontCover->setType( TagLib::ID3v2::AttachedPictureFrame::FrontCover );
m_tag->addFrame( frontCover );
return true;
}
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