Alexandre Gauthier-Foichat
LGM 2014
Leipzig, April 4th
Alexandre Gauthier-Foichat 1/15
Table of contents
1 Introduction
1 The project
2 Why we do it
3 License
2 Architecture
1 Feature for v1
2 Performances
3 D...
The project
• Hosted in a research team at INRIA
• Open-source, cross-platform nodal compositing software
• Video editing ...
Compositing in short
Image before matting Road Signs
Final image
Alexandre Gauthier-Foichat 4/15
Why we do it
• Support OpenFX: standard to design visual effects
plug-ins.
Alexandre Gauthier-Foichat 5/15
Why we do it
• Support OpenFX: standard to design visual effects
plug-ins.
• No open-source graphical software supporting ...
Why we do it
• Support OpenFX: standard to design visual effects
plug-ins.
• No open-source graphical software supporting ...
Why we do it
• Support OpenFX: standard to design visual effects
plug-ins.
• No open-source graphical software supporting ...
License
• Most OpenFX plug-ins are commercial or released under
BSD-style license.
Alexandre Gauthier-Foichat 6/15
License
• Most OpenFX plug-ins are commercial or released under
BSD-style license.
• GPL programs cannot load non GPL plug...
License
• Most OpenFX plug-ins are commercial or released under
BSD-style license.
• GPL programs cannot load non GPL plug...
License
• Most OpenFX plug-ins are commercial or released under
BSD-style license.
• GPL programs cannot load non GPL plug...
Table of contents
1 Introduction
1 The project
2 Why we do it
3 License
2 Architecture
1 Feature for v1
2 Performances
3 D...
Features for v1
• Implementation of a performant rendering engine
Alexandre Gauthier-Foichat 8/15
Features for v1
• Implementation of a performant rendering engine
• Animation support
Alexandre Gauthier-Foichat 8/15
Features for v1
• Implementation of a performant rendering engine
• Animation support
• Support for OpenFX v1.3: Over 500 ...
Based on many open-source libraries
• Qt: Graphical user interface and core library
• Boost: Serialization of the project
...
Performances
• Multi-threaded:
Alexandre Gauthier-Foichat 10/15
Performances
• Multi-threaded:
−→ A main-thread handling user events and OpenGL
rendering
Alexandre Gauthier-Foichat 10/15
Performances
• Multi-threaded:
−→ A main-thread handling user events and OpenGL
rendering
−→ N render threads gathered in ...
Demand driven
Alexandre Gauthier-Foichat 11/15
OpenFX support
• Very stable API for writing visual effects.
Alexandre Gauthier-Foichat 12/15
OpenFX support
• Very stable API for writing visual effects.
• Efficient: about 500 lines of code for a plug-in
Alexandre G...
OpenFX support
• Very stable API for writing visual effects.
• Efficient: about 500 lines of code for a plug-in
• Plug-ins ...
OpenFX current state
• Many plug-ins, but most of them are proprietary.
Alexandre Gauthier-Foichat 13/15
OpenFX current state
• Many plug-ins, but most of them are proprietary.
• About 80 are open-source: TuttleOFX
Alexandre Ga...
OpenFX current state
• Many plug-ins, but most of them are proprietary.
• About 80 are open-source: TuttleOFX
• We need mo...
Conclusion
• Natron is in beta stage now and it’s a good time to join us.
• We need people making packages for all linux d...
Thank you
• Thanks for your time !
• Any questions ?
Alexandre Gauthier-Foichat 15/15
of 29

Natron lgm2014

Presentation of Natron: a cross-platform, open-source compositing software.
Published on: Mar 3, 2016
Published in: Presentations & Public Speaking      
Source: www.slideshare.net


Transcripts - Natron lgm2014

  • 1. Alexandre Gauthier-Foichat LGM 2014 Leipzig, April 4th Alexandre Gauthier-Foichat 1/15
  • 2. Table of contents 1 Introduction 1 The project 2 Why we do it 3 License 2 Architecture 1 Feature for v1 2 Performances 3 Demand driven 4 OpenFX support 5 OpenFX current state 3 Conclusion Alexandre Gauthier-Foichat 2/15
  • 3. The project • Hosted in a research team at INRIA • Open-source, cross-platform nodal compositing software • Video editing and image processing • Funded since October 2013 as a result of an open-source project contest Alexandre Gauthier-Foichat 3/15
  • 4. Compositing in short Image before matting Road Signs Final image Alexandre Gauthier-Foichat 4/15
  • 5. Why we do it • Support OpenFX: standard to design visual effects plug-ins. Alexandre Gauthier-Foichat 5/15
  • 6. Why we do it • Support OpenFX: standard to design visual effects plug-ins. • No open-source graphical software supporting OpenFX Alexandre Gauthier-Foichat 5/15
  • 7. Why we do it • Support OpenFX: standard to design visual effects plug-ins. • No open-source graphical software supporting OpenFX • But used by many proprietary applications: Nuke,Scratch, Da Vinci resolve... Alexandre Gauthier-Foichat 5/15
  • 8. Why we do it • Support OpenFX: standard to design visual effects plug-ins. • No open-source graphical software supporting OpenFX • But used by many proprietary applications: Nuke,Scratch, Da Vinci resolve... • Natron first targets education and research domains Alexandre Gauthier-Foichat 5/15
  • 9. License • Most OpenFX plug-ins are commercial or released under BSD-style license. Alexandre Gauthier-Foichat 6/15
  • 10. License • Most OpenFX plug-ins are commercial or released under BSD-style license. • GPL programs cannot load non GPL plug-ins Alexandre Gauthier-Foichat 6/15
  • 11. License • Most OpenFX plug-ins are commercial or released under BSD-style license. • GPL programs cannot load non GPL plug-ins • This is probably why we don’t see many open-source softwares around OpenFX Alexandre Gauthier-Foichat 6/15
  • 12. License • Most OpenFX plug-ins are commercial or released under BSD-style license. • GPL programs cannot load non GPL plug-ins • This is probably why we don’t see many open-source softwares around OpenFX • Natron is under Mozilla Public License (GPL compatible) Alexandre Gauthier-Foichat 6/15
  • 13. Table of contents 1 Introduction 1 The project 2 Why we do it 3 License 2 Architecture 1 Feature for v1 2 Performances 3 Demand driven 4 OpenFX support 5 OpenFX current state 3 Conclusion Alexandre Gauthier-Foichat 7/15
  • 14. Features for v1 • Implementation of a performant rendering engine Alexandre Gauthier-Foichat 8/15
  • 15. Features for v1 • Implementation of a performant rendering engine • Animation support Alexandre Gauthier-Foichat 8/15
  • 16. Features for v1 • Implementation of a performant rendering engine • Animation support • Support for OpenFX v1.3: Over 500 plug-ins available Alexandre Gauthier-Foichat 8/15
  • 17. Based on many open-source libraries • Qt: Graphical user interface and core library • Boost: Serialization of the project • OpenImageIO: Image reading/writing • OpenColorIO: Color management Alexandre Gauthier-Foichat 9/15
  • 18. Performances • Multi-threaded: Alexandre Gauthier-Foichat 10/15
  • 19. Performances • Multi-threaded: −→ A main-thread handling user events and OpenGL rendering Alexandre Gauthier-Foichat 10/15
  • 20. Performances • Multi-threaded: −→ A main-thread handling user events and OpenGL rendering −→ N render threads gathered in a pool • Thread pool controlled by Natron • Asynchronous tasks asked by the plug-ins Alexandre Gauthier-Foichat 10/15
  • 21. Demand driven Alexandre Gauthier-Foichat 11/15
  • 22. OpenFX support • Very stable API for writing visual effects. Alexandre Gauthier-Foichat 12/15
  • 23. OpenFX support • Very stable API for writing visual effects. • Efficient: about 500 lines of code for a plug-in Alexandre Gauthier-Foichat 12/15
  • 24. OpenFX support • Very stable API for writing visual effects. • Efficient: about 500 lines of code for a plug-in • Plug-ins can be GPU accelerated using external libraries like OpenCL or CUDA Alexandre Gauthier-Foichat 12/15
  • 25. OpenFX current state • Many plug-ins, but most of them are proprietary. Alexandre Gauthier-Foichat 13/15
  • 26. OpenFX current state • Many plug-ins, but most of them are proprietary. • About 80 are open-source: TuttleOFX Alexandre Gauthier-Foichat 13/15
  • 27. OpenFX current state • Many plug-ins, but most of them are proprietary. • About 80 are open-source: TuttleOFX • We need more open-source visual effects plug-ins Alexandre Gauthier-Foichat 13/15
  • 28. Conclusion • Natron is in beta stage now and it’s a good time to join us. • We need people making packages for all linux distributions • Non developers are welcome: bug reporting,feedback, demo reels, tutorials, translation... • Download at https://natron.inria.fr • Mailing list: natron@inria.fr Alexandre Gauthier-Foichat 14/15
  • 29. Thank you • Thanks for your time ! • Any questions ? Alexandre Gauthier-Foichat 15/15

Related Documents