diff options
Diffstat (limited to 'krec/krecfile.cpp')
| -rw-r--r-- | krec/krecfile.cpp | 457 |
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; +} + |