Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 457 insertions, 0 deletions

diff --git a/krec/krecfile.cpp b/krec/krecfile.cpp
new file mode 100644
index 00000000..6e4b2b8f
--- /dev/null
+++ b/krec/krecfile.cpp
@@ -0,0 +1,457 @@
+/***************************************************************************
+    copyright            : (C) 2003 by Arnold Krille
+    email                : arnold@arnoldarts.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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; version 2 of the License.               *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "krecfile.h"
+#include "krecfile.moc"
+
+#include "krecglobal.h"
+
+#include "krecnewproperties.h"
+
+#include <kdebug.h>
+#include <kapplication.h>
+#include <ktempdir.h>
+#include <ktempfile.h>
+#include <ktar.h>
+#include <kio/job.h>
+#include <klocale.h>
+#include <ksimpleconfig.h>
+#include <qdir.h>
+#include <qfileinfo.h>
+#include <kmessagebox.h>
+#include <qtimer.h>
+
+#include <qdatastream.h>
+#include <math.h>
+
+void KRecFile::init() {
+	_pos = 0;
+	_size = 0;
+	_filename = QString::null;
+	_currentBuffer = 0;
+	_dir = new KTempDir();
+	_config = new KSimpleConfig( _dir->name()+"project.rc", false );
+}
+
+KRecFile::KRecFile( QObject* p, const char* n )
+  : QObject( p,n )
+  , _saved( false )
+{
+	init();
+	kdDebug( 60005 ) << k_funcinfo << "_dir->name(): " << _dir->name() << endl;
+	_dir->setAutoDelete( true );
+	KRecNewProperties* dialog = new KRecNewProperties( KRecGlobal::the()->mainWidget() );
+
+	if ( dialog->usedefaults() )
+		KRecGlobal::the()->message( i18n( "Using default properties for the new file" ) );
+	else
+		dialog->exec();
+
+	_samplerate = dialog->samplerate();
+	_channels = dialog->channels();
+	_bits = dialog->bits();
+
+	saveProps();
+
+	delete dialog;
+}
+KRecFile::KRecFile( const QString &filename, QObject* p, const char* n )
+  : QObject( p,n )
+  , _saved( true )
+{
+	init();
+	_filename = filename;
+	kdDebug( 60005 ) << k_funcinfo << "_dir->name(): " << _dir->name() << endl;
+	_dir->setAutoDelete( true );
+
+	KTar *tar = new KTar( _filename, "application/x-gzip" );
+	tar->open( IO_ReadOnly );
+	int i=0; while ( _filename.find( '/', i ) != -1 ) i++; // Find last '/'
+	QString basename = _filename.right( _filename.length()-i );
+	basename = basename.left( basename.length()-5 );
+
+	const KArchiveDirectory *dir = dynamic_cast<const KArchiveDirectory*>( tar->directory()->entry( basename ) );
+
+	dir->copyTo( _dir->name() );
+
+	delete _config;
+	_config = new KSimpleConfig( _dir->name()+"project.rc", false );
+	loadProps();
+	int c = _config->readNumEntry( "Files" );
+	//kdDebug( 60005 ) << c << " Files to load" << endl;
+	for ( int i=0; i<c; i++ ) {
+		//kdDebug( 60005 ) << "Loading file " << i << endl;
+		_config->setGroup( "File-" + QString::number( i ) );
+		newBuffer( KRecBuffer::fromConfig( _config, _dir->qDir(), this ) );
+	}
+	KRecGlobal::the()->message( i18n( "\'%1\' loaded." ).arg( filename ) );
+
+	delete tar;
+
+	_saved = true;
+	//kdDebug( 60005 ) << "Buffers opened: " << _buffers.count() << endl;
+}
+KRecFile::~KRecFile() {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+	QValueList<KRecBuffer*>::iterator it;
+	for ( it = _buffers.begin(); it != _buffers.end(); ++it )
+		delete ( *it );
+	_buffers.clear();
+	delete _dir;
+        delete _config;
+	//kdDebug( 60005 ) << k_funcinfo << "done." << endl;
+}
+
+QString KRecFile::filename() { return _filename; }
+void KRecFile::filename( const QString &n ) {
+	if ( _filename!=n ) {
+		_filename = n;
+		emit filenameChanged( _filename );
+	}
+}
+
+void KRecFile::writeData( Arts::mcopbyte* /*data*/, uint /*length*/ ) {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+}
+void KRecFile::writeData( QByteArray* data ) {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+	if ( _currentBuffer!=-1 ) _buffers[ _currentBuffer ]->writeData( data );
+	_saved = false;
+}
+void KRecFile::writeData( QByteArray& data ) {
+	if ( _currentBuffer!=-1 ) _buffers[ _currentBuffer ]->writeData( data );
+	_saved = false;
+}
+
+void KRecFile::save( const QString &fname ) {
+	QString filetosave = fname;
+	
+	//kdDebug( 60005 ) << k_funcinfo << filename << endl;
+	if ( saved() ) {
+		KRecGlobal::the()->message( i18n( "No need to save." ) );
+		return;
+	}
+	
+	KRecGlobal::the()->message( i18n( "Saving in progress..." ) );
+	filename( fname );
+	QString tmpname;
+	{
+		KTempFile *tmp = new KTempFile();
+		tmp->setAutoDelete( true );
+		tmpname = tmp->name();
+		delete tmp;
+	}
+	saveProps();
+
+	KTar *tar = new KTar( tmpname, "application/x-gzip" );
+	tar->open( IO_WriteOnly );
+	int i=0; while ( fname.find( '/', i ) != -1 ) i++; // Find last '/'
+	QString basename = fname.right( fname.length()-i );
+	if ( basename.endsWith( ".krec" ) )
+		basename = basename.left( basename.length()-5 );
+	else {
+		filetosave = fname + ".krec";
+		filename( filetosave );
+	}
+	tar->addLocalDirectory( _dir->name(), basename );
+
+	delete tar;
+	KIO::file_move( tmpname, filetosave, -1, true, false, true );
+
+	KRecGlobal::the()->message( i18n( "Saving \"%1\" was successful." ).arg( filename() ) );
+	_saved = true;
+}
+
+void KRecFile::exportwave( const QString &filename ) {
+	kdDebug( 60005 ) << k_funcinfo << filename << endl;
+}
+
+QByteArray* KRecFile::getData( int ) {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+	return 0;
+}
+
+void KRecFile::getData( QByteArray& data ) {
+	KRecBuffer* current = getTopBuffer_buffer( _pos );
+	if ( current ) {
+	//kdDebug( 60005 ) << "_pos=" << _pos << "(" << samplesToOffset( _pos ) << ") current->startpos()=" << current->startpos() << "(" << samplesToOffset( current->startpos() ) << ") that is " << samplesToOffset( _pos - current->startpos() ) << endl;
+		current->setPos( samplesToOffset( _pos - current->startpos() ) );
+		current->getData( data );
+	} else {
+		for ( uint i=0; i<data.size(); i++ )
+			data[ i ] = 0;
+	}
+	newPos( _pos + offsetToSamples( data.size() ) );
+	if ( position() >= size() ) emit endReached();
+}
+
+
+// * * * Position * * *
+void KRecFile::newPos( int p ) {
+	if ( _pos != p ) {
+		_pos = p;
+		emit posChanged( _pos );
+	}
+}
+void KRecFile::newPos( KRecBuffer* buffer, QIODevice::Offset p ) {
+	newPos( buffer->startpos() + offsetToSamples( p ) );
+}
+void KRecFile::newSize( KRecBuffer* buffer, QIODevice::Offset p ) {
+	if ( buffer->startpos() + offsetToSamples( p ) > _size ) {
+		_size = buffer->startpos() + offsetToSamples( p );
+	}
+	emit sizeChanged( _size );
+}
+
+
+/// * * * Frames <-> Offset and more * * *
+int KRecFile::offsetToSamples( QIODevice::Offset n ) const {
+	int out = n / channels();
+	if ( bits() == 16 ) out /= 2;
+	return out;
+}
+QIODevice::Offset KRecFile::samplesToOffset( int n ) const {
+	QIODevice::Offset out = n * channels();
+	if ( bits() == 16 ) out *= 2;
+	return out;
+}
+
+/// * * * Properties <-> KConfig * * *
+void KRecFile::saveProps() {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+	_config->setGroup( "General" );
+	_config->writeEntry( "Samplerate", _samplerate );
+	_config->writeEntry( "Bits", _bits );
+	_config->writeEntry( "Channels", _channels );
+
+	_config->writeEntry( "Files", _buffers.count() );
+	for ( uint i=0; i<_buffers.count(); i++ ) {
+		//kdDebug( 60005 ) << "Writing config " << i << endl;
+		_config->setGroup( "File-" + QString::number( i ) );
+		_buffers[ i ]->writeConfig( _config );
+	}
+	_config->sync();
+}
+void KRecFile::loadProps() {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+	_config->setGroup( "General" );
+	_samplerate = _config->readNumEntry( "Samplerate", 44100 );
+	_bits = _config->readNumEntry( "Bits", 16 );
+	_channels = _config->readNumEntry( "Channels", 2 );
+}
+
+
+/// * * * NewBuffer * * *
+void KRecFile::newBuffer( const QString &filename ) {
+	kdDebug( 60005 ) << k_funcinfo << filename << endl;
+	newBuffer( new KRecBuffer( filename, _pos, true, this ) );
+}
+void KRecFile::newBuffer( KRecBuffer* buffer ) {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+	connect( buffer, SIGNAL( posChanged( KRecBuffer*, QIODevice::Offset ) ), this, SLOT( newPos( KRecBuffer*, QIODevice::Offset ) ) );
+	connect( buffer, SIGNAL( sizeChanged( KRecBuffer*, QIODevice::Offset ) ), this, SLOT( newSize( KRecBuffer*, QIODevice::Offset ) ) );
+	connect( buffer, SIGNAL( deleteSelf( KRecBuffer* ) ), this, SLOT( deleteBuffer( KRecBuffer* ) ) );
+	_buffers.append( buffer );
+	newSize( buffer, buffer->size() );
+	_currentBuffer = _buffers.findIndex( buffer );
+	emit sNewBuffer( buffer );
+	_saved = false;
+}
+void KRecFile::newBuffer() {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+	newBuffer( _dir->name() + "file" + QString::number( _buffers.count() ) + ".raw" );
+}
+
+void KRecFile::deleteBuffer( KRecBuffer* b ) {
+	kdDebug( 60005 ) << k_funcinfo << b << endl;
+	emit sDeleteBuffer( b );
+	delete b;
+	if ( _buffers.remove( b ) )
+		_currentBuffer = -1;
+	KRecGlobal::the()->message( i18n( "Part deleted." ) );
+	_saved = false;
+}
+
+/// * * * helper * * *
+KRecBuffer* KRecFile::getTopBuffer_buffer( int pos ) {
+	//kdDebug( 60005 ) << k_funcinfo << pos << endl;
+	QValueList<KRecBuffer*>::iterator it = _buffers.begin();
+	KRecBuffer* out = 0;
+	while ( it != _buffers.end() ) {
+		if ( ( *it )->startpos() <= pos && offsetToSamples( ( *it )->size() ) + ( *it )->startpos() > pos && ( *it )->active() )
+			out = ( *it );
+		++it;
+	}
+	return out;
+}
+int KRecFile::getTopBuffer_int( int pos ) {
+	return _buffers.findIndex( getTopBuffer_buffer( pos ) );
+}
+
+
+/// * * * KRecBuffer * * *
+KRecBuffer::KRecBuffer( const QString &filename, int startpos, bool a, KRecFile* p, const char* n )
+  : QObject( p,n )
+  , _krecfile( p )
+  , _file( new QFile( filename ) )
+  , _stream( new QDataStream( _file ) )
+  , _fileinfo( new QFileInfo( filename ) )
+  , _active( a )
+  , _pos( 0 ), _start( startpos )
+  , _title( _fileinfo->fileName() )
+  , _comment( QString::null )
+{
+	kdDebug( 60005 ) << k_funcinfo << filename << " " << startpos << endl;
+	_open = _file->open( IO_Raw | IO_ReadWrite );
+	setPos( _file->at() );
+	if ( _open ) kdDebug( 60005 ) << k_funcinfo << "Open successfull!" << endl;
+		else kdDebug( 60005 ) << endl << k_funcinfo << "Could not open file!" << endl << endl;
+}
+KRecBuffer::~KRecBuffer() {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+	if ( _open ) {
+		_file->close();
+		_open = false;
+		_file->remove();
+	}
+	//kdDebug( 60005 ) << k_funcinfo << "done." << endl;
+}
+
+void KRecBuffer::writeConfig( KConfig* config ) {
+	//kdDebug( 60005 ) << k_funcinfo << config << endl;
+	config->writeEntry( "Filename", _fileinfo->fileName() );
+	config->writeEntry( "StartPos", _start );
+	config->writeEntry( "Activated", _active );
+	config->writeEntry( "Title", _title );
+	config->writeEntry( "Comment", _comment );
+}
+
+KRecBuffer* KRecBuffer::fromConfig( KConfig* config, QDir* dir, KRecFile* p, const char* n ) {
+	kdDebug( 60005 ) << k_funcinfo << config << endl;
+	KRecBuffer* tmp = new KRecBuffer( dir->path() + "/" + config->readEntry( "Filename" ),
+	                       config->readNumEntry( "StartPos" ),
+	                       config->readBoolEntry( "Activated", true ),
+	                       p, n );
+	tmp->setTitle( config->readEntry( "Title", tmp->filename() ) );
+	tmp->setComment( config->readEntry( "Comment", QString::null ) );
+	return tmp;
+}
+
+void KRecBuffer::writeData( Arts::mcopbyte* /*data*/, uint /*length*/ ) {
+	kdDebug( 60005 ) << k_funcinfo << endl;
+}
+void KRecBuffer::writeData( QByteArray* data ) {
+kdDebug( 60005 ) << k_funcinfo << endl;
+	writeData( *data );
+/*	if ( _open ) {
+		_file->at( _pos );
+		_file->writeBlock( *data );
+		setPos( _file->at() );
+		emit sizeChanged( this, size() );
+	}*/
+}
+void KRecBuffer::writeData( QByteArray& data ) {
+	//kdDebug( 60005 ) << k_funcinfo << endl;
+	if ( _open ) {
+		_file->at( _pos );
+		_file->writeBlock( data );
+		setPos( _file->at() );
+		emit sizeChanged( this, size() );
+	}
+}
+
+void KRecBuffer::getData( QByteArray& data ) {
+	//kdDebug( 60005 ) << k_funcinfo << "data.size()" << data.size() << " _pos" << _pos << endl;
+	if ( _pos > _file->size() )
+		kdWarning() << "Trying to access behind file!" << endl;
+	else {
+		if ( _open ) {
+			_file->at( _pos );
+			//kdDebug( 60005 ) << "Reading " << _file->readBlock( ( char* )data.data(), data.size() ) << "bytes into data." << endl;
+			//kdDebug( 60005 ) << "data.size()" << data.size() << endl;
+			for ( uint i=0; i<data.size(); i++ ) {
+				if ( !_file->atEnd() )
+					data.data()[ i ] = _file->getch();
+				else
+					data.data()[ i ] = 0;
+			}
+			//setPos( _file->at() );
+		}
+	}
+}
+
+void KRecBuffer::setPos( QIODevice::Offset p ) {
+	if ( p!=_pos ) {
+		_pos = p;
+		emit posChanged( this, _pos );
+//kdDebug( 60005 ) << k_funcinfo << _pos << endl;
+	}
+}
+
+int KRecBuffer::startpos() const { return _start; }
+QIODevice::Offset KRecBuffer::size() const { return _file->size(); }
+
+QString KRecBuffer::filename() const { return _fileinfo->fileName(); }
+QString KRecBuffer::title() const { return _title; }
+QString KRecBuffer::comment() const { return _comment; }
+
+void KRecBuffer::setTitle( const QString &n ) {
+	if ( _title != n ) {
+		_title = n;
+		emit somethingChanged();
+	}
+}
+
+void KRecBuffer::setComment( const QString &n ) {
+	if ( _comment != n ) {
+		_comment = n;
+		emit somethingChanged();
+	}
+}
+
+bool KRecBuffer::active() const { return _active; }
+void KRecBuffer::setActive( bool n ) {
+	if ( _active != n ) {
+		_active = n;
+		emit activeChanged( _active );
+		emit somethingChanged();
+	}
+}
+
+void KRecBuffer::deleteBuffer() {
+	if ( KMessageBox::warningContinueCancel( KRecGlobal::the()->mainWidget(), i18n( "Do you really want to delete the selected part '%1'?" ).arg( filename() ), i18n("Delete Part?"), KStdGuiItem::del() ) == KMessageBox::Continue )
+		_krecfile->deleteBuffer( this );
+}
+
+float KRecBuffer::getSample( int pos, int /*channel*/ ) {
+	Q_INT16 tmp16;
+	Q_INT8  tmp8;
+	float out;
+	_file->at( _krecfile->samplesToOffset( pos ) );
+	if ( _krecfile->bits() == 16 ) {
+		*_stream >> tmp16;
+		out = tmp16 / 65535.0;
+	}
+	else {
+		*_stream >> tmp8;
+		out = tmp8 / 65535.0;
+	}
+	return out;
+}
+float* KRecBuffer::getsamples( int start, int end, int channel ) {
+	float* tmp = new float[ end-start ];
+	for ( int i=start; i<end; ++i )
+		tmp[ i ] = getSample( i, channel );
+	return tmp;
+}
+