VTK/Examples/Cxx/Video/FFMPEG

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Revision as of 10:21, 4 April 2011 by Zack (talk | contribs) (Reverted edits by Alex116 (talk) to last revision by Zack)

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You must set VTK_USE_FFMPEG_ENCODER ON in your VTK build.

CMake won't find FFMPEG headers?

FFMPEG.cxx

#include <vtkSmartPointer.h>
#include <vtkImageCanvasSource2D.h>
#include <vtkFFMPEGWriter.h>

int main (int argc, char *argv[])
{
  vtkSmartPointer<vtkImageCanvasSource2D> source =
      vtkSmartPointer<vtkImageCanvasSource2D>::New();
  source->SetScalarTypeToUnsignedChar();
  source->SetNumberOfScalarComponents(3);
  source->SetExtent(0, 100, 0, 100, 0, 0);
  
  vtkSmartPointer<vtkFFMPEGWriter> writer = 
      vtkSmartPointer<vtkFFMPEGWriter>::New();
    
  writer->SetInputConnection(source->GetOutputPort());
  writer->SetFileName("test.avi");
  writer->Start();
  
  for(unsigned int i = 0; i < 100; i++)
    {
    source->SetDrawColor(0,0,0,1); //black
    source->FillBox(0, 100, 0, 100); //clear image
    source->SetDrawColor(255,0,0,1); //red
    source->FillBox(i, 20, 10, 20);
    source->Update();
  
    writer->Write();
    }
  writer->End();
  
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)

PROJECT(FFMPEG)

FIND_PACKAGE(VTK REQUIRED)
INCLUDE(${VTK_USE_FILE})

ADD_EXECUTABLE(FFMPEG FFMPEG.cxx)
TARGET_LINK_LIBRARIES(FFMPEG vtkHybrid vtkIO)