--- /dev/null
+/*
+ * kdenlivetitle_wrapper.cpp -- kdenlivetitle wrapper
+ * Copyright (c) 2009 Marco Gittler <g.marco@freenet.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <QtGui/QImage>
+#include <QtGui/QPainter>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+#include "kdenlivetitle_wrapper.h"
+#include <framework/mlt_producer.h>
+extern "C" {
+void init_qt (const char* c){
+ titleclass=new Title(QString(c));
+}
+void refresh_kdenlivetitle( void* buffer, int width, int height , double position){
+ titleclass->drawKdenliveTitle(buffer,width,height,position);
+}
+}
+Title::Title(const QString& filename){
+ int argc=0;
+ char* argv[1];
+ argv[0]=0;
+ app=new QCoreApplication(argc,argv);
+}
+void Title::drawKdenliveTitle(void * buffer ,int width,int height,double position){
+ //qDebug() << "ja" << width << height << buffer << position << endl;
+ QImage img((uchar*)buffer,width,height,width*4,QImage::Format_ARGB32);
+ img.fill(0x22);
+ QPainter p;
+ p.begin(&img);
+ p.setFont(QFont("Arial",40));
+ p.setPen(QPen(QColor(255,255,255)));
+ p.drawText(width*.2+width*20*position,height/2,"test");
+ p.end();
+}
--- /dev/null
+/*
+ * kdenlivetitle_wrapper.h -- kdenlivetitle wrapper
+ * Copyright (c) 2009 Marco Gittler <g.marco@freenet.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <QtCore/QObject>
+#include <framework/mlt_frame.h>
+class QCoreApplication;
+class QObject;
+class Title;
+QCoreApplication *app;
+Title* titleclass;
+
+class Title: public QObject {
+
+ public:
+ Title(const QString &);
+ void drawKdenliveTitle(void*,int,int,double);
+};
--- /dev/null
+/*
+ * producer_kdenlivetitle.c -- kdenlive producer
+ * Copyright (c) 2009 Marco Gittler <g.marco@freenet.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <framework/mlt.h>
+//#include "frei0r_helper.h"
+#include <stdlib.h>
+#include <string.h>
+//#include <QtCore/QCoreApplication>
+//#include <QtGui/QImage>
+extern init_qt();
+extern refresh_kdenlivetitle(void*,int,int,double);
+
+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_kdenlivetitle", NULL );
+
+ // Obtain properties of producer
+ mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
+
+ // Allocate the image
+ int size = *width * ( *height + 1 ) * 4;
+
+ // 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_rgb24a;
+ 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 );
+ refresh_kdenlivetitle(*buffer,*width,*height,position);
+ }
+
+ return 0;
+}
+
+int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
+{
+ // Generate a frame
+ *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
+
+ if ( *frame != NULL )
+ {
+ // Obtain properties of frame and producer
+ mlt_properties properties = MLT_FRAME_PROPERTIES( *frame );
+
+ // Obtain properties of producer
+ mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
+
+ // Set the producer on the frame properties
+ mlt_properties_set_data( properties, "producer_kdenlivetitle", producer, 0, NULL, NULL );
+
+ // Update timecode on the frame we're creating
+ mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
+
+ // Set producer-specific frame properties
+ mlt_properties_set_int( properties, "progressive", 1 );
+ mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( producer_props, "aspect_ratio" ) );
+
+ // Push the get_image method
+ mlt_frame_push_get_image( *frame, producer_get_image );
+ }
+
+ // Calculate the next timecode
+ mlt_producer_prepare_next( producer );
+
+ return 0;
+}
+
+void producer_close( mlt_producer producer )
+{
+ producer->close = NULL;
+ mlt_producer_close( producer );
+ free( producer );
+}
+mlt_producer producer_kdenlivetitle_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
+{
+ // Create a new producer object
+ mlt_producer this = mlt_producer_new( );
+
+ // Initialise the producer
+ if ( this != NULL )
+ {
+ // Callback registration
+ this->get_frame = producer_get_frame;
+ this->close = ( mlt_destructor )producer_close;
+ }
+ init_qt();
+ return this;
+}
+
projects / mlt / commitdiff