[vtkusers] How can i read a stack of Jpeg File + vtkMPEG2Writer

[Fireman Fireman]

Hi Vtkusers,

I' m trying to use vtkMPEG2Writer to produce un Mpeg file from a stack of JPEG File.
 
I'm using the vtkJPEGReader to read the stack of jpeg images.
 
My problem is that the output MPEG file contains only the first image. 
 
Bellow the source code :

//**************************************
vtkJPEGReader *reader = vtkJPEGReader::New( );
 
vtkMPEG2Writer *w = vtkMPEG2Writer::New();
 
w->SetInputConnection(reader->GetOutputPort());
 
w->SetFileName("TestMovieWriter.mpg");
 
w->Start();
 
for ( int cpt = 1; cpt <=30 ;cpt ++ )
{
         reader->SetFileName("test"+QString::number(cpt)+".jpg");
         
        reader->Update();
 
        w->Write();
}
 
w->End(); 
//****************************************************
 
 
Thank you
 
 
 


      
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