Beispiel #1
0
double mlt_transition_get_progress_delta( mlt_transition self, mlt_frame frame )
{
	double progress = 0;
	mlt_position in = mlt_transition_get_in( self );
	mlt_position out = mlt_transition_get_out( self );

	if ( out == 0 )
	{
		// If always active, use the frame's producer
		mlt_producer producer = mlt_frame_get_original_producer( frame );
		if ( producer )
		{
			in = mlt_producer_get_in( producer );
			out = mlt_producer_get_out( producer );
		}
	}
	if ( out != 0 )
	{
		mlt_position position = mlt_frame_get_position( frame );
		double length = out - in + 1;
		double x = ( double ) ( position - in ) / length;
		double y = ( double ) ( position + 1 - in ) / length;
		progress = ( y - x ) / 2.0;
	}
	return progress;
}
Beispiel #2
0
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
	
	// Obtain properties of frame
	mlt_properties properties = MLT_FRAME_PROPERTIES( frame );

	// Obtain the producer for this frame
	mlt_producer producer = mlt_properties_get_data( properties, "producer_frei0r", NULL );

	// Obtain properties of producer
	mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );

	// Allocate the image
	int size = *width * ( *height + 1 ) * 2;

	// Allocate the image
	*buffer = mlt_pool_alloc( size );

	// Update the frame
	mlt_properties_set_data( properties, "image", *buffer, size, mlt_pool_release, NULL );
	mlt_properties_set_int( properties, "width", *width );
	mlt_properties_set_int( properties, "height", *height );

	*format = mlt_image_yuv422;
	if ( *buffer != NULL )
	{
		mlt_position in = mlt_producer_get_in( producer );
		mlt_position out = mlt_producer_get_out( producer );
		mlt_position time = mlt_frame_get_position( frame );
		double position = ( double )( time - in ) / ( double )( out - in + 1 );
		process_frei0r_item( producer_type , position, producer_props, frame , buffer, format , width , height , writable );
	}

    return 0;
}
Beispiel #3
0
mlt_position mlt_filter_get_length2( mlt_filter self, mlt_frame frame )
{
	mlt_properties properties = MLT_SERVICE_PROPERTIES( &self->parent );
	mlt_position in = mlt_properties_get_position( properties, "in" );
	mlt_position out = mlt_properties_get_position( properties, "out" );

	if ( out == 0 && frame )
	{
		// If always active, use the frame's producer
		mlt_producer producer = mlt_frame_get_original_producer( frame );
		if ( producer )
		{
			producer = mlt_producer_cut_parent( producer );
			in = mlt_producer_get_in( producer );
			out = mlt_producer_get_out( producer );
		}
	}
	return ( out > 0 ) ? ( out - in + 1 ) : 0;
}
Beispiel #4
0
double mlt_transition_get_progress( mlt_transition self, mlt_frame frame )
{
	double progress = 0;
	mlt_position in = mlt_transition_get_in( self );
	mlt_position out = mlt_transition_get_out( self );

	if ( out == 0 )
	{
		// If always active, use the frame's producer
		mlt_producer producer = mlt_frame_get_original_producer( frame );
		if ( producer )
		{
			in = mlt_producer_get_in( producer );
			out = mlt_producer_get_out( producer );
		}
	}
	if ( out != 0 )
	{
		mlt_position position = mlt_frame_get_position( frame );
		progress = ( double ) ( position - in ) / ( double ) ( out - in + 1 );
	}
	return progress;
}
Beispiel #5
0
static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int index )
{
	int result = 1;
	mlt_producer self = service != NULL ? service->child : NULL;

	if ( self != NULL && !mlt_producer_is_cut( self ) )
	{
		// Get the properties of this producer
		mlt_properties properties = MLT_PRODUCER_PROPERTIES( self );

		// Determine eof handling
		char *eof = mlt_properties_get( MLT_PRODUCER_PROPERTIES( self ), "eof" );

		// Get the speed of the producer
		double speed = mlt_producer_get_speed( self );

		// We need to use the clone if it's specified
		mlt_producer clone = mlt_properties_get_data( properties, "use_clone", NULL );

		// If no clone is specified, use self
		clone = clone == NULL ? self : clone;

		// A properly instatiated producer will have a get_frame method...
		if ( self->get_frame == NULL || ( eof && !strcmp( eof, "continue" ) && mlt_producer_position( self ) > mlt_producer_get_out( self ) ) )
		{
			// Generate a test frame
			*frame = mlt_frame_init( service );

			// Set the position
			result = mlt_frame_set_position( *frame, mlt_producer_position( self ) );

			// Mark as a test card
			mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_image", 1 );
			mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_audio", 1 );

			// Calculate the next position
			mlt_producer_prepare_next( self );
		}
		else
		{
			// Get the frame from the implementation
			result = self->get_frame( clone, frame, index );
		}

		// Copy the fps and speed of the producer onto the frame
		properties = MLT_FRAME_PROPERTIES( *frame );
		mlt_properties_set_double( properties, "_speed", speed );
		mlt_properties_set_int( properties, "test_audio", mlt_frame_is_test_audio( *frame ) );
		mlt_properties_set_int( properties, "test_image", mlt_frame_is_test_card( *frame ) );
		if ( mlt_properties_get_data( properties, "_producer", NULL ) == NULL )
			mlt_properties_set_data( properties, "_producer", service, 0, NULL, NULL );
	}
	else if ( self != NULL )
	{
		// Get the speed of the cut
		double speed = mlt_producer_get_speed( self );

		// Get the parent of the cut
		mlt_producer parent = mlt_producer_cut_parent( self );

		// Get the properties of the parent
		mlt_properties parent_properties = MLT_PRODUCER_PROPERTIES( parent );

		// Get the properties of the cut
		mlt_properties properties = MLT_PRODUCER_PROPERTIES( self );

		// Determine the clone index
		int clone_index = mlt_properties_get_int( properties, "_clone" );

		// Determine the clone to use
		mlt_producer clone = self;

		if ( clone_index > 0 )
		{
			char key[ 25 ];
			sprintf( key, "_clone.%d", clone_index - 1 );
			clone = mlt_properties_get_data( MLT_PRODUCER_PROPERTIES( mlt_producer_cut_parent( self ) ), key, NULL );
			if ( clone == NULL ) mlt_log( service, MLT_LOG_ERROR, "requested clone doesn't exist %d\n", clone_index );
			clone = clone == NULL ? self : clone;
		}
		else
		{
			clone = parent;
		}

		// We need to seek to the correct position in the clone
		mlt_producer_seek( clone, mlt_producer_get_in( self ) + mlt_properties_get_int( properties, "_position" ) );

		// Assign the clone property to the parent
		mlt_properties_set_data( parent_properties, "use_clone", clone, 0, NULL, NULL );

		// Now get the frame from the parents service
		result = mlt_service_get_frame( MLT_PRODUCER_SERVICE( parent ), frame, index );

		// We're done with the clone now
		mlt_properties_set_data( parent_properties, "use_clone", NULL, 0, NULL, NULL );

		// This is useful and required by always_active transitions to determine in/out points of the cut
		if ( mlt_properties_get_data( MLT_FRAME_PROPERTIES( *frame ), "_producer", NULL ) == MLT_PRODUCER_SERVICE( parent ) )
			mlt_properties_set_data( MLT_FRAME_PROPERTIES( *frame ), "_producer", self, 0, NULL, NULL );

		mlt_properties_set_double( MLT_FRAME_PROPERTIES( *frame ), "_speed", speed );
		mlt_producer_prepare_next( self );
	}
	else
	{
		*frame = mlt_frame_init( service );
		result = 0;
	}

	// Pass on all meta properties from the producer/cut on to the frame
	if ( *frame != NULL && self != NULL )
	{
		int i = 0;
		mlt_properties p_props = MLT_PRODUCER_PROPERTIES( self );
		mlt_properties f_props = MLT_FRAME_PROPERTIES( *frame );
		mlt_properties_lock( p_props );
		int count = mlt_properties_count( p_props );
		for ( i = 0; i < count; i ++ )
		{
			char *name = mlt_properties_get_name( p_props, i );
			if ( !strncmp( name, "meta.", 5 ) )
				mlt_properties_set( f_props, name, mlt_properties_get_value( p_props, i ) );
			else if ( !strncmp( name, "set.", 4 ) )
				mlt_properties_set( f_props, name + 4, mlt_properties_get_value( p_props, i ) );
		}
		mlt_properties_unlock( p_props );
	}

	return result;
}
Beispiel #6
0
mlt_position mlt_producer_get_playtime( mlt_producer self )
{
	return mlt_producer_get_out( self ) - mlt_producer_get_in( self ) + 1;
}
Beispiel #7
0
mlt_position mlt_multitrack_clip( mlt_multitrack self, mlt_whence whence, int index )
{
	mlt_position position = 0;
	int i = 0;
	int j = 0;
	mlt_position *map = calloc( 1000, sizeof( mlt_position ) );
	int count = 0;

	for ( i = 0; i < self->count; i ++ )
	{
		// Get the producer for this track
		mlt_producer producer = self->list[ i ]->producer;

		// If it's assigned and not a hidden track
		if ( producer != NULL )
		{
			// Get the properties of this producer
			mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );

			// Determine if it's a playlist
			mlt_playlist playlist = mlt_properties_get_data( properties, "playlist", NULL );

			// Special case consideration of playlists
			if ( playlist != NULL )
			{
				for ( j = 0; j < mlt_playlist_count( playlist ); j ++ )
					count = add_unique( map, count, mlt_playlist_clip( playlist, mlt_whence_relative_start, j ) );
				count = add_unique( map, count, mlt_producer_get_out( producer ) + 1 );
			}
			else
			{
				count = add_unique( map, count, 0 );
				count = add_unique( map, count, mlt_producer_get_out( producer ) + 1 );
			}
		}
	}

	// Now sort the map
	qsort( map, count, sizeof( mlt_position ), position_compare );

	// Now locate the requested index
	switch( whence )
	{
		case mlt_whence_relative_start:
			if ( index < count )
				position = map[ index ];
			else
				position = map[ count - 1 ];
			break;

		case mlt_whence_relative_current:
			position = mlt_producer_position( MLT_MULTITRACK_PRODUCER( self ) );
			for ( i = 0; i < count - 2; i ++ )
				if ( position >= map[ i ] && position < map[ i + 1 ] )
					break;
			index += i;
			if ( index >= 0 && index < count )
				position = map[ index ];
			else if ( index < 0 )
				position = map[ 0 ];
			else
				position = map[ count - 1 ];
			break;

		case mlt_whence_relative_end:
			if ( index < count )
				position = map[ count - index - 1 ];
			else
				position = map[ 0 ];
			break;
	}

	// Free the map
	free( map );

	return position;
}
Beispiel #8
0
void AsisScript::pre_judge() throw (Exception)
{
    ScriptProps::Property& service_prop = type_spec_props->get_property("service");
    if (!service_prop.Evaluable::finished())
        throw_error_v(ErrorScriptFmtError,"asis producer script service should be determinated");

    ScriptProps::Property& resource_prop = type_spec_props->get_property("resource");
    if (!resource_prop.Evaluable::finished())
        throw_error_v(ErrorScriptFmtError,"asis producer script resource should be determinated");

    json_t* svc_value = service_prop.compile();
    json_t* res_value = resource_prop.compile();
    JsonWrap svc_wrap(svc_value,1);
    JsonWrap res_wrap(res_value,1);

    if ( !svc_value || !json_is_string(svc_value) || !strlen(json_string_value(svc_value)))
        throw_error_v(ErrorScriptFmtError,"asis producer script service should be string value");
    if ( !res_value || !json_is_string(res_value) || !strlen(json_string_value(res_value)))
        throw_error_v(ErrorScriptFmtError,"asis producer script resource should be string value");

    mlt_profile prof = mlt_profile_clone(MltLoader::global_profile);
    mlt_producer tmp_prod = mlt_factory_producer(prof, json_string_value(svc_value), json_string_value(res_value));
    MltSvcWrap prod_wrap(mlt_producer_service(tmp_prod), 1);

    if (tmp_prod == NULL) {
        throw_error_v(ErrorRuntimeLoadFailed, "producer %s load failed", json_string_value(svc_value));
    }

    if ( mlt_props ) {
        ScriptProps::PropIter it = mlt_props->begin();
        for ( ; it!=mlt_props->end(); it++) {
            if ( it->second->Evaluable::finished() ) {
                json_t* prop_v = it->second->compile();
                JsonWrap prop_wrap(prop_v, 1);

                switch(prop_v->type) {
                case JSON_INTEGER:
                    mlt_properties_set_int64(mlt_producer_properties(tmp_prod),
                                             it->first.c_str(), json_integer_value(prop_v));
                    break;
                case JSON_REAL:
                    mlt_properties_set_double(mlt_producer_properties(tmp_prod),
                                              it->first.c_str(), json_real_value(prop_v));
                    break;
                case JSON_STRING:
                    mlt_properties_set(mlt_producer_properties(tmp_prod),
                                       it->first.c_str(), json_string_value(prop_v));
                    break;
                case JSON_TRUE:
                    mlt_properties_set_int(mlt_producer_properties(tmp_prod),
                                           it->first.c_str(), 1);
                    break;
                case JSON_FALSE:
                    mlt_properties_set_int(mlt_producer_properties(tmp_prod),
                                           it->first.c_str(), 0);
                    break;
                default:
                    throw_error_v(ErrorRuntimeLoadFailed, "producer %s load failed. %s prop invalid",
                                  json_string_value(svc_value), it->first.c_str());
                }
            }
        }
    }

    int in = mlt_producer_get_in(tmp_prod);
    int out = mlt_producer_get_out(tmp_prod);
    set_frame_range(in, out);

    if ( !mlt_props.get()) {
        mlt_props.reset(new ScriptProps(*this, NULL));
    }
    json_t* jv = json_integer(in);
    mlt_props->add_property("in", jv);
    json_decref(jv);

    jv = json_integer(out);
    mlt_props->add_property("out", jv);
    json_decref(jv);

    string uuid = Vm::uuid();
    type_spec_props->add_property("uuid", JsonWrap(json_string(uuid.c_str()),1).h);
    prod_wrap.obj = NULL;
    MltLoader::push_mlt_registry(mlt_producer_service(tmp_prod), uuid.c_str());
}
void loadFromXml( mlt_producer producer, QGraphicsScene *scene, const char *templateXml, const char *templateText )
{
	scene->clear();
	mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
	QDomDocument doc;
	QString data = QString::fromUtf8(templateXml);
	QString replacementText = QString::fromUtf8(templateText);
	doc.setContent(data);
	QDomElement title = doc.documentElement();

	// Check for invalid title
	if ( title.isNull() || title.tagName() != "kdenlivetitle" ) return;
	
	// Check title locale
	if ( title.hasAttribute( "LC_NUMERIC" ) ) {
	    QString locale = title.attribute( "LC_NUMERIC" );
	    QLocale::setDefault( locale );
	}
	
        int originalWidth;
        int originalHeight;
	if ( title.hasAttribute("width") ) {
            originalWidth = title.attribute("width").toInt();
            originalHeight = title.attribute("height").toInt();
            scene->setSceneRect(0, 0, originalWidth, originalHeight);
        }
        else {
            originalWidth = scene->sceneRect().width();
            originalHeight = scene->sceneRect().height();
        }
        if ( title.hasAttribute( "out" ) ) {
            mlt_properties_set_position( producer_props, "_animation_out", title.attribute( "out" ).toDouble() );
        }
        else {
            mlt_properties_set_position( producer_props, "_animation_out", mlt_producer_get_out( producer ) );
        }
        
	mlt_properties_set_int( producer_props, "_original_width", originalWidth );
	mlt_properties_set_int( producer_props, "_original_height", originalHeight );

	QDomNode node;
	QDomNodeList items = title.elementsByTagName("item");
        for ( int i = 0; i < items.count(); i++ )
	{
		QGraphicsItem *gitem = NULL;
		node = items.item( i );
		QDomNamedNodeMap nodeAttributes = node.attributes();
		int zValue = nodeAttributes.namedItem( "z-index" ).nodeValue().toInt();
		if ( zValue > -1000 )
		{
			if ( nodeAttributes.namedItem( "type" ).nodeValue() == "QGraphicsTextItem" )
			{
				QDomNamedNodeMap txtProperties = node.namedItem( "content" ).attributes();
				QFont font( txtProperties.namedItem( "font" ).nodeValue() );
				QDomNode propsNode = txtProperties.namedItem( "font-bold" );
				if ( !propsNode.isNull() )
				{
					// Old: Bold/Not bold.
					font.setBold( propsNode.nodeValue().toInt() );
				}
				else
				{
					// New: Font weight (QFont::)
					font.setWeight( txtProperties.namedItem( "font-weight" ).nodeValue().toInt() );
				}
				font.setItalic( txtProperties.namedItem( "font-italic" ).nodeValue().toInt() );
				font.setUnderline( txtProperties.namedItem( "font-underline" ).nodeValue().toInt() );
				// Older Kdenlive version did not store pixel size but point size
				if ( txtProperties.namedItem( "font-pixel-size" ).isNull() )
				{
					QFont f2;
					f2.setPointSize( txtProperties.namedItem( "font-size" ).nodeValue().toInt() );
					font.setPixelSize( QFontInfo( f2 ).pixelSize() );
				}
				else
					font.setPixelSize( txtProperties.namedItem( "font-pixel-size" ).nodeValue().toInt() );
				QColor col( stringToColor( txtProperties.namedItem( "font-color" ).nodeValue() ) );
				QString text = node.namedItem( "content" ).firstChild().nodeValue();
				if ( !replacementText.isEmpty() )
				{
					text = text.replace( "%s", replacementText );
				}
				QGraphicsTextItem *txt = scene->addText(text, font);
				if (txtProperties.namedItem("font-outline").nodeValue().toDouble()>0.0){
					QTextDocument *doc = txt->document();
					// Make sure some that the text item does not request refresh by itself
					doc->blockSignals(true);
					QTextCursor cursor(doc);
					cursor.select(QTextCursor::Document);
					QTextCharFormat format;
					format.setTextOutline(
							QPen(QColor( stringToColor( txtProperties.namedItem( "font-outline-color" ).nodeValue() ) ),
							txtProperties.namedItem("font-outline").nodeValue().toDouble(),
							Qt::SolidLine,Qt::RoundCap,Qt::RoundJoin)
					);
					format.setForeground(QBrush(col));

					cursor.mergeCharFormat(format);
				} else {
					txt->setDefaultTextColor( col );
				}
				
				// Effects
				if (!txtProperties.namedItem( "typewriter" ).isNull()) {
					// typewriter effect
					mlt_properties_set_int( producer_props, "_animated", 1 );
					QStringList effetData = QStringList() << "typewriter" << text << txtProperties.namedItem( "typewriter" ).nodeValue();
					txt->setData(0, effetData);
					if ( !txtProperties.namedItem( "textwidth" ).isNull() )
						txt->setData( 1, txtProperties.namedItem( "textwidth" ).nodeValue() );
				}
				
				if ( txtProperties.namedItem( "alignment" ).isNull() == false )
				{
					txt->setTextWidth( txt->boundingRect().width() );
					QTextOption opt = txt->document()->defaultTextOption ();
					opt.setAlignment(( Qt::Alignment ) txtProperties.namedItem( "alignment" ).nodeValue().toInt() );
					txt->document()->setDefaultTextOption (opt);
				}
					if ( !txtProperties.namedItem( "kdenlive-axis-x-inverted" ).isNull() )
				{
					//txt->setData(OriginXLeft, txtProperties.namedItem("kdenlive-axis-x-inverted").nodeValue().toInt());
				}
				if ( !txtProperties.namedItem( "kdenlive-axis-y-inverted" ).isNull() )
				{
					//txt->setData(OriginYTop, txtProperties.namedItem("kdenlive-axis-y-inverted").nodeValue().toInt());
				}
					gitem = txt;
			}
			else if ( nodeAttributes.namedItem( "type" ).nodeValue() == "QGraphicsRectItem" )
			{
				QString rect = node.namedItem( "content" ).attributes().namedItem( "rect" ).nodeValue();
				QString br_str = node.namedItem( "content" ).attributes().namedItem( "brushcolor" ).nodeValue();
				QString pen_str = node.namedItem( "content" ).attributes().namedItem( "pencolor" ).nodeValue();
				double penwidth = node.namedItem( "content" ).attributes().namedItem( "penwidth") .nodeValue().toDouble();
				QGraphicsRectItem *rec = scene->addRect( stringToRect( rect ), QPen( QBrush( stringToColor( pen_str ) ), penwidth, Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin ), QBrush( stringToColor( br_str ) ) );
				gitem = rec;
			}
			else if ( nodeAttributes.namedItem( "type" ).nodeValue() == "QGraphicsPixmapItem" )
			{
				const QString url = node.namedItem( "content" ).attributes().namedItem( "url" ).nodeValue();
				const QString base64 = items.item(i).namedItem("content").attributes().namedItem("base64").nodeValue();
				QImage img;
				if (base64.isEmpty()){
					img.load(url);
				}else{
					img.loadFromData(QByteArray::fromBase64(base64.toAscii()));
				}
				ImageItem *rec = new ImageItem(img);
				scene->addItem( rec );
				gitem = rec;
			}
			else if ( nodeAttributes.namedItem( "type" ).nodeValue() == "QGraphicsSvgItem" )
			{
				QString url = items.item(i).namedItem("content").attributes().namedItem("url").nodeValue();
				QString base64 = items.item(i).namedItem("content").attributes().namedItem("base64").nodeValue();
				QGraphicsSvgItem *rec = NULL;
				if (base64.isEmpty()){
					rec = new QGraphicsSvgItem(url);
				}else{
					rec = new QGraphicsSvgItem();
					QSvgRenderer *renderer= new QSvgRenderer(QByteArray::fromBase64(base64.toAscii()), rec );
					rec->setSharedRenderer(renderer);
				}
				if (rec){
					scene->addItem(rec);
					gitem = rec;
				}
			}
		}
		//pos and transform
		if ( gitem )
		{
			QPointF p( node.namedItem( "position" ).attributes().namedItem( "x" ).nodeValue().toDouble(),
			           node.namedItem( "position" ).attributes().namedItem( "y" ).nodeValue().toDouble() );
			gitem->setPos( p );
			gitem->setTransform( stringToTransform( node.namedItem( "position" ).firstChild().firstChild().nodeValue() ) );
			int zValue = nodeAttributes.namedItem( "z-index" ).nodeValue().toInt();
			gitem->setZValue( zValue );

#if QT_VERSION >= 0x040600
			// effects
			QDomNode eff = items.item(i).namedItem("effect");
			if (!eff.isNull()) {
				QDomElement e = eff.toElement();
				if (e.attribute("type") == "blur") {
					QGraphicsBlurEffect *blur = new QGraphicsBlurEffect();
					blur->setBlurRadius(e.attribute("blurradius").toInt());
					gitem->setGraphicsEffect(blur);
				}
				else if (e.attribute("type") == "shadow") {
					QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect();
					shadow->setBlurRadius(e.attribute("blurradius").toInt());
					shadow->setOffset(e.attribute("xoffset").toInt(), e.attribute("yoffset").toInt());
					gitem->setGraphicsEffect(shadow);
				}
			}
#endif
		}
	}

	QDomNode n = title.firstChildElement("background");
	if (!n.isNull()) {
		QColor color = QColor( stringToColor( n.attributes().namedItem( "color" ).nodeValue() ) );
                if (color.alpha() > 0) {
                        QGraphicsRectItem *rec = scene->addRect(0, 0, scene->width(), scene->height() , QPen( Qt::NoPen ), QBrush( color ) );
                        rec->setZValue(-1100);
                }
	  
	}

	QString startRect;
	n = title.firstChildElement( "startviewport" );
        // Check if node exists, if it has an x attribute, it is an old version title, don't use viewport
	if (!n.isNull() && !n.toElement().hasAttribute("x"))
	{
		startRect = n.attributes().namedItem( "rect" ).nodeValue();
	}
	n = title.firstChildElement( "endviewport" );
        // Check if node exists, if it has an x attribute, it is an old version title, don't use viewport
	if (!n.isNull() && !n.toElement().hasAttribute("x"))
	{
		QString rect = n.attributes().namedItem( "rect" ).nodeValue();
		if (startRect != rect)
			mlt_properties_set( producer_props, "_endrect", rect.toUtf8().data() );
	}
	if (!startRect.isEmpty()) {
	  	mlt_properties_set( producer_props, "_startrect", startRect.toUtf8().data() );
	}
	return;
}