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629 lines
13 KiB
629 lines
13 KiB
/*
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*
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* $Id: k3baudiotrack.cpp 620139 2007-01-05 11:59:05Z trueg $
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* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3baudiotrack.h"
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#include "k3baudiodoc.h"
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#include "k3baudiodatasource.h"
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#include <k3baudiodecoder.h>
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#include <k3bcore.h>
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#include <k3bcdtextvalidator.h>
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#include <tqstring.h>
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#include <kdebug.h>
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class K3bAudioTrack::Private
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{
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public:
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Private() {
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cdTextValidator = new K3bCdTextValidator();
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}
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~Private() {
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delete cdTextValidator;
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}
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K3bCdTextValidator* cdTextValidator;
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};
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K3bAudioTrack::K3bAudioTrack()
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: m_parent(0),
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m_copy(false),
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m_preEmp(false),
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m_index0Offset(150),
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m_prev(0),
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m_next(0),
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m_firstSource(0),
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m_currentSource(0),
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m_alreadyReadBytes(0),
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m_currentlyDeleting(false)
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{
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d = new Private;
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}
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K3bAudioTrack::K3bAudioTrack( K3bAudioDoc* parent )
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: m_parent(parent),
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m_copy(false),
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m_preEmp(false),
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m_index0Offset(150),
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m_prev(0),
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m_next(0),
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m_firstSource(0),
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m_currentSource(0),
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m_alreadyReadBytes(0),
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m_currentlyDeleting(false)
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{
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d = new Private;
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}
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K3bAudioTrack::~K3bAudioTrack()
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{
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kdDebug() << "(K3bAudioTrack::~K3bAudioTrack) " << this << endl;
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//
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// It is crucial that we do not emit the changed signal here because otherwise
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// the doc will delete us again once we are empty!
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//
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m_currentlyDeleting = true;
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// fix the list
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take();
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kdDebug() << "(K3bAudioTrack::~K3bAudioTrack) deleting sources." << endl;
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// delete all sources
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while( m_firstSource )
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delete m_firstSource->take();
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kdDebug() << "(K3bAudioTrack::~K3bAudioTrack) finished" << endl;
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delete d;
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}
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void K3bAudioTrack::emitChanged()
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{
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if( m_parent )
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m_parent->slotTrackChanged( this );
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}
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void K3bAudioTrack::setArtist( const TQString& a )
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{
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setPerformer( a );
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}
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void K3bAudioTrack::setPerformer( const TQString& a )
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{
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TQString s( a );
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d->cdTextValidator->fixup( s );
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m_cdText.setPerformer(s);
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emitChanged();
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}
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void K3bAudioTrack::setTitle( const TQString& t )
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{
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TQString s( t );
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d->cdTextValidator->fixup( s );
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m_cdText.setTitle(s);
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emitChanged();
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}
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void K3bAudioTrack::setArranger( const TQString& t )
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{
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TQString s( t );
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d->cdTextValidator->fixup( s );
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m_cdText.setArranger(s);
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emitChanged();
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}
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void K3bAudioTrack::setSongwriter( const TQString& t )
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{
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TQString s( t );
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d->cdTextValidator->fixup( s );
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m_cdText.setSongwriter(s);
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emitChanged();
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}
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void K3bAudioTrack::setComposer( const TQString& t )
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{
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TQString s( t );
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d->cdTextValidator->fixup( s );
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m_cdText.setComposer(s);
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emitChanged();
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}
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void K3bAudioTrack::setIsrc( const TQString& t )
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{
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m_cdText.setIsrc(t);
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emitChanged();
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}
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void K3bAudioTrack::setCdTextMessage( const TQString& t )
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{
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TQString s( t );
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d->cdTextValidator->fixup( s );
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m_cdText.setMessage(s);
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emitChanged();
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}
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void K3bAudioTrack::setCdText( const K3bDevice::TrackCdText& cdtext )
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{
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m_cdText = cdtext;
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emitChanged();
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}
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K3bAudioDataSource* K3bAudioTrack::lastSource() const
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{
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K3bAudioDataSource* s = m_firstSource;
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while( s && s->next() )
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s = s->next();
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return s;
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}
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bool K3bAudioTrack::inList() const
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{
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if( doc() )
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return ( doc()->firstTrack() == this || m_prev != 0 );
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else
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return false;
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}
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K3b::Msf K3bAudioTrack::length() const
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{
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K3b::Msf length;
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K3bAudioDataSource* source = m_firstSource;
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while( source ) {
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length += source->length();
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source = source->next();
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}
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return length;
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}
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KIO::filesize_t K3bAudioTrack::size() const
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{
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return length().audioBytes();
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}
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unsigned int K3bAudioTrack::trackNumber() const
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{
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if( m_prev )
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return m_prev->trackNumber() + 1;
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else
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return 1;
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}
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K3b::Msf K3bAudioTrack::index0() const
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{
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// we save the index0Offset as length of the resulting pregap
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// this way the length of the track does not need to be ready
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// when creating the track.
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return length() - m_index0Offset;
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}
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K3b::Msf K3bAudioTrack::postGap() const
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{
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if( next() )
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return m_index0Offset;
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else
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return 0;
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}
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void K3bAudioTrack::setIndex0( const K3b::Msf& msf )
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{
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if( msf == 0 )
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m_index0Offset = 0;
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else
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m_index0Offset = length() - msf;
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}
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K3bAudioTrack* K3bAudioTrack::take()
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{
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if( inList() ) {
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if( !m_prev )
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doc()->setFirstTrack( m_next );
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if( !m_next )
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doc()->setLastTrack( m_prev );
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if( m_prev )
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m_prev->m_next = m_next;
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if( m_next )
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m_next->m_prev = m_prev;
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m_prev = m_next = 0;
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// remove from doc
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if( m_parent )
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m_parent->slotTrackRemoved(this);
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m_parent = 0;
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}
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return this;
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}
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void K3bAudioTrack::moveAfter( K3bAudioTrack* track )
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{
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kdDebug() << "(K3bAudioTrack::moveAfter( " << track << " )" << endl;
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if( !track ) {
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if( !doc() ) {
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kdDebug() << "(K3bAudioTrack::moveAfter) no parent set" << endl;
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return;
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}
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// make sure we do not mess up the list
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if( doc()->lastTrack() )
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moveAfter( doc()->lastTrack() );
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else {
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doc()->setFirstTrack( take() );
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doc()->setLastTrack( this );
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}
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}
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else if( track == this ) {
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kdDebug() << "(K3bAudioTrack::moveAfter) trying to move this after this." << endl;
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return;
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}
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else {
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// remove this from the list
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take();
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// set the new parent doc
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m_parent = track->doc();
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K3bAudioTrack* oldNext = track->m_next;
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// set track as prev
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track->m_next = this;
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m_prev = track;
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// set oldNext as next
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if( oldNext )
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oldNext->m_prev = this;
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m_next = oldNext;
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if( !m_prev )
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doc()->setFirstTrack( this );
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if( !m_next )
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doc()->setLastTrack( this );
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}
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emitChanged();
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}
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void K3bAudioTrack::moveAhead( K3bAudioTrack* track )
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{
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if( !track ) {
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if( !doc() ) {
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kdDebug() << "(K3bAudioTrack::moveAfter) no parent set" << endl;
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return;
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}
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// make sure we do not mess up the list
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if( doc()->firstTrack() )
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moveAhead( doc()->firstTrack() );
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else {
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doc()->setFirstTrack( take() );
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doc()->setLastTrack( this );
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}
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}
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else if( track == this ) {
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kdDebug() << "(K3bAudioTrack::moveAhead) trying to move this ahead of this." << endl;
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return;
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}
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else {
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// remove this from the list
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take();
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// set the new parent doc
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m_parent = track->doc();
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K3bAudioTrack* oldPrev = track->m_prev;
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// set track as next
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m_next = track;
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track->m_prev = this;
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// set oldPrev as prev
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m_prev = oldPrev;
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if( oldPrev )
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oldPrev->m_next = this;
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if( !m_prev )
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doc()->setFirstTrack( this );
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if( !m_next )
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doc()->setLastTrack( this );
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}
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emitChanged();
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}
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void K3bAudioTrack::merge( K3bAudioTrack* trackToMerge, K3bAudioDataSource* sourceAfter )
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{
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kdDebug() << "(K3bAudioTrack::merge) " << trackToMerge << " into " << this << endl;
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if( this == trackToMerge ) {
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kdDebug() << "(K3bAudioTrack::merge) trying to merge this with this." << endl;
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return;
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}
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// remove the track to merge to make sure it does not get deleted by the doc too early
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trackToMerge->take();
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// in case we prepend all of trackToMerge's sources
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if( !sourceAfter ) {
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kdDebug() << "(K3bAudioTrack::merge) merging " << trackToMerge->firstSource() << endl;
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if( m_firstSource ) {
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trackToMerge->firstSource()->moveAhead( m_firstSource );
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}
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else {
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addSource( trackToMerge->firstSource()->take() );
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}
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sourceAfter = m_firstSource;
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}
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kdDebug() << "(K3bAudioTrack::merge) now merge the other sources." << endl;
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// now merge all sources into this track
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while( trackToMerge->firstSource() ) {
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K3bAudioDataSource* s = trackToMerge->firstSource();
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kdDebug() << "(K3bAudioTrack::merge) merging source " << s << " from track " << s->track() << " into track "
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<< this << " after source " << sourceAfter << endl;
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s->moveAfter( sourceAfter );
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sourceAfter = s;
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}
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// TODO: should we also merge the indices?
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// now we can safely delete the track we merged
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delete trackToMerge;
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kdDebug() << "(K3bAudioTrack::merge) finished" << endl;
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emitChanged();
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}
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void K3bAudioTrack::setFirstSource( K3bAudioDataSource* source )
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{
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// reset the reading stuff since this might be a completely new source list
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m_currentSource = 0;
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m_alreadyReadBytes = 0;
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m_firstSource = source;
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while( source ) {
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source->m_track = this;
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source = source->next();
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}
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emitChanged();
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}
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void K3bAudioTrack::addSource( K3bAudioDataSource* source )
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{
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if( !source )
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return;
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K3bAudioDataSource* s = m_firstSource;
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while( s && s->next() )
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s = s->next();
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if( s )
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source->moveAfter( s );
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else
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setFirstSource( source->take() );
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}
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void K3bAudioTrack::sourceChanged( K3bAudioDataSource* )
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{
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if( m_currentlyDeleting )
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return;
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// TODO: update indices
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if( m_index0Offset > length() )
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m_index0Offset = length()-1;
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emitChanged();
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}
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int K3bAudioTrack::numberSources() const
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{
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K3bAudioDataSource* source = m_firstSource;
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int i = 0;
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while( source ) {
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source = source->next();
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++i;
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}
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return i;
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}
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bool K3bAudioTrack::seek( const K3b::Msf& msf )
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{
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K3bAudioDataSource* source = m_firstSource;
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K3b::Msf pos;
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while( source && pos + source->length() < msf ) {
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pos += source->length();
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source = source->next();
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}
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if( source ) {
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m_currentSource = source;
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m_alreadyReadBytes = msf.audioBytes();
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return source->seek( msf - pos );
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}
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else
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return false;
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}
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int K3bAudioTrack::read( char* data, unsigned int max )
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{
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if( !m_currentSource ) {
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m_currentSource = m_firstSource;
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if( m_currentSource )
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m_currentSource->seek(0);
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m_alreadyReadBytes = 0;
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}
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int readData = m_currentSource->read( data, max );
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if( readData == 0 ) {
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m_currentSource = m_currentSource->next();
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if( m_currentSource ) {
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m_currentSource->seek(0);
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return read( data, max ); // read from next source
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}
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}
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m_alreadyReadBytes += readData;
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return readData;
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}
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K3bAudioTrack* K3bAudioTrack::copy() const
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{
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K3bAudioTrack* track = new K3bAudioTrack();
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track->m_copy = m_copy;
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track->m_preEmp = m_preEmp;
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track->m_index0Offset = m_index0Offset;
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track->m_cdText = m_cdText;
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K3bAudioDataSource* source = m_firstSource;
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while( source ) {
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track->addSource( source->copy() );
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source = source->next();
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}
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return track;
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}
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K3bAudioTrack* K3bAudioTrack::split( const K3b::Msf& pos )
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{
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if( pos < length() ) {
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// search the source
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// pos will be the first sector of the new track
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K3b::Msf currentPos;
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K3bAudioDataSource* source = firstSource();
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while( source && currentPos + source->length() <= pos ) {
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currentPos += source->length();
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source = source->next();
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}
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K3bAudioDataSource* splitSource = 0;
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if( currentPos > 0 && currentPos == pos ) {
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// no need to split a source
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splitSource = source;
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}
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else {
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splitSource = source->split( pos - currentPos );
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}
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// the new track should include all sources from splitSource and below
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K3bAudioTrack* splitTrack = new K3bAudioTrack();
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splitTrack->m_cdText = m_cdText;
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source = splitSource;
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while( source ) {
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K3bAudioDataSource* addSource = source;
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source = source->next();
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splitTrack->addSource( addSource );
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}
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kdDebug() << "(K3bAudioTrack) moving track " << splitTrack << " after this (" << this << ") with parent " << doc() << endl;
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splitTrack->moveAfter( this );
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return splitTrack;
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}
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else
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return 0;
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}
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|
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|
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K3bDevice::Track K3bAudioTrack::toCdTrack() const
|
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{
|
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if( !inList() )
|
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return K3bDevice::Track();
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|
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K3b::Msf firstSector;
|
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K3bAudioTrack* track = doc()->firstTrack();
|
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while( track != this ) {
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firstSector += track->length();
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track = track->next();
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}
|
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|
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K3bDevice::Track cdTrack( firstSector,
|
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firstSector + length() - 1,
|
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K3bDevice::Track::AUDIO );
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|
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// FIXME: auch im audiotrack copy permitted
|
|
cdTrack.setCopyPermitted( !copyProtection() );
|
|
cdTrack.setPreEmphasis( preEmp() );
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|
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// FIXME: add indices != 0
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|
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// no index 0 for the last track. Or should we allow this???
|
|
if( doc()->lastTrack() != this )
|
|
cdTrack.setIndex0( index0() );
|
|
|
|
// FIXME: convert to TQCString
|
|
// cdTrack.setIsrc( isrc() );
|
|
|
|
return cdTrack;
|
|
}
|
|
|
|
|
|
void K3bAudioTrack::debug()
|
|
{
|
|
kdDebug() << "Track " << this << endl
|
|
<< " Prev: " << m_prev << endl
|
|
<< " Next: " << m_next << endl
|
|
<< " Sources:" << endl;
|
|
K3bAudioDataSource* s = m_firstSource;
|
|
while( s ) {
|
|
kdDebug() << " " << s << " - Prev: " << s->prev() << " Next: " << s->next() << endl;
|
|
s = s->next();
|
|
}
|
|
}
|
|
|
|
|
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|