VideoLAN, a project and a non-profit organization.

VideoLAN Dev Days 2017

The Open Multimedia Conference that frees the cone in you!

22 - 24 September 2017, Paris


About VideoLAN Dev Days 2017

The VideoLAN non-profit organisation is happy to invite you to the multimedia open-source event of the summer!

For its ninth edition, people from the VideoLAN and open source multimedia communities will meet in Paris to discuss and work on the future of the open-source multimedia community

This is a technical conference.

Date: 22nd - 24th of September 2017, Location: Ecole 42, Paris (Full map)


09:30 - 18:30

Community Bonding Day: Disneyleak!

This year we'll do a Disneyland Paris competition!
The VideoLAN organization will pay for the entrance tickets, or whatever costs associated with the event.


Evening drinks

On Friday at 19h30, people are welcome to come and share a few good drinks, with all attendees, in the center of Paris.

08:45 - 09:15

Registration & Coffee

09:15 - 09:40

Jean-Baptiste Kempf, VideoLAN


09:40 - 10:10

Jean-Baptiste Kempf, VideoLAN

VLC 3.0

10:10 - 10:40

Rostislav Pehlivanov, FFmpeg

A new Opus Encoder

10:40 - 11:00

Coffee Break

11:00 - 11:30

Steve Lhomme, Matroska


11:30 - 12:00

Timothy B. Terriberry, Mozilla

AV1 Update

12:00 - 12:30

Jan Skoglund, Chrome & Damien Kelly, YouTube

Spatial Audio and Ambisonic Compression

12:30 - 14:00

Lunch Break

14:00 - 16:00

Salle 1

FFmpeg Technical Meeting

Salle 2

libav Technical Meeting

Salle 3

VLC Technical Meeting

16:00 - 18:00

VideoLAN asso meeting

For non-profit members only

19:30 - ??

Community Dinner

Café de Luna

122 Boulevard de Clichy - 75018 Paris

09:15 - 09:30


09:30 - 12:00

Lightning talks

  • Technical view on HDR (Vittorio Giovara)
  • x265 update (Pradeep Ramachandran)
  • PoC on sandboxing VLC (Guillaume Fournier)
  • A Rust AV1 encoder (Thomas Daede)
  • VANC, ancillary and passthrough (Jacob Green)
  • Optimal encoding at scale aka dynamic optimizer (Anush Moorthy)
  • AV1 Chroma from Luma (Luc Trudeau)

12:00 - 14:00


14:00 - 18:00


The actual content of the unconference track is being decided on Saturday evening. For the live schedule, check the designated page on the wiki.

Who can come?

Anyone who cares about open source multimedia technologies and development. Remember that it targets a technical crowd!

If you are representing a company caring about open-source multimedia software, we would be very interested if you could co-sponsor the event.


Main registration is closed.

If you want to attend and did not have time to register, please email

Cost and sponsorship

The cost for attendance is free.

Like previous years, active developers can get a full sponsorship covering travel costs. We will also provide accomodation.


For active members of the open-source multimedia communities who registered until August 25 and got a confirmation, your hotel will be:

TIMHOTEL Berthier – Paris XVII
4, Boulevard Berthier – 75017 Paris

Phone: +33 (0)1 46 27 10 00

Code of Conduct

This community activity is running under the VideoLAN Code of Conduct. We expect all attendees to respect our Shared Values.


The VideoLAN Dev Days are organized by the board members of the VideoLAN non-profit organization, Jean-Baptiste Kempf, Felix Paul Kühne and Hugo Beauzée-Luyssen. You can reach us at