VideoLAN, a project and a non-profit organization.

VideoLAN Developer Days 2025

The Open Multimedia Conference!

31st October - 2nd November, 2025, London

VDD 2025 London

About

The VideoLAN non-profit organization is excited to invite you to the upcoming multimedia open-source event in London!

In this edition, participants from the VideoLAN and open-source multimedia communities will gather in London, UK to discuss and collaborate on advancing the future of open-source multimedia.

This technical conference will focus on in-depth multimedia topics, including codecs and their implementations such as x264 and dav1d, as well as frameworks like FFmpeg, and projects like VideoLAN, VLC, Kodi, libplacebo, mpv and related projects.

This event is specifically geared towards the technical aspects of multimedia, emphasizing low-level components like codecs, their implementations, frameworks, playback libraries, and various innovative projects within the multimedia domain.

When ?

October 31st - November 2nd, 2025

Where ?

London, United Kingdom

For ?

Anyone who cares about open source multimedia technologies and development.

From ?

VideoLAN. But you are very welcome to co-sponsor the event.

Registration


Register for free at VDD 25 Registration Form

Schedule


09:15

Community Bonding Day

Start at 09:15 in front of the hotel at Carburton St, W1W 5EE

19:00

Evening drinks

On Friday from 19h00 people are welcome to come and share a few good drinks, with all attendees.

Location: BrewDog Seven Dials, 142 Shaftesbury Ave, London WC2H 8HJ

09:00

Registration

09:30 - 09:50

Jean-Baptiste Kempf, VideoLAN

Opening Remarks

09:50 - 10:00

Laura Toni/ Eduardo Pignatelli, UCL

Welcome to UCL

10:00 - 10:45

Niklas Haas

Libswscale Reimagined

10:45 - 11:10

Break

11:10 - 11:40

Julio Barba and ⁨Gianni Rosato⁩

SVT-AV1-PSY: Origins, Features, and Future

11:40 - 12:00

Yuning Liang, DeepComputing

Enabling Intelligent Media Playback on RISC-V - Running VLC With Whisper STT and Qwen T2T on a 40-TOPS RISC-V Laptops

12:00 - 12:20

Julien Zouein, Kyber - Trinity College Dublin

Re-using AV1 for SfM

12:20 - 12:30

Jean-Baptiste Kempf, VideoLAN

Results of Ghost of London 1666.

12:40 - 14:00

Lunch, Clarke Hall

14:00 - 15:00

Room 1, C3.11
Room 2, C3.12
VLC media player
State of Affairs of AV2 Codec Ecosystem
AOMedia and all things with Open-Codecs

16:00 - 18:00

Room 1, C3.11
Room 2, C3.12
VLC media player
FFmpeg

19:30

Community Dinner

10:00 - 10:30

Martin Störsjo

LLVM-MingW updates

10:30 - 10:45

Paul B Mahol

Remote Presentation on Librempeg: alternative future of multimedia

10:45 - 11:00

Sam Richards

Why VFX Cares About Codecs: ASWF’s Push for Quality and Interoperability

11:00 - 11:15

Break

11:15 - 11:25

Mikhail Mironov

AMD AMF and/or Streaming SDK

11:25 - 11:35

Niklas Haas

One Checkasm to rule them all

11:35 - 12:10

Lighting Talks

12:10 - 13:00

Lunch Break, A5.01 and A5.02

13:00 - 15:30

Room 1, C3.11
Room 2, C3.12
Room 3, C3.13
13:00 VideoLAN Association meeting
Unconferencing and hacking
Unconferencing and hacking

15:30 - 18:00

Room 1, C3.11
Room 2, C3.12
Room 2, C3.13
Unconferencing and hacking
Unconferencing and hacking
Unconferencing and hacking

Sponsors


Access


Conference

20 Bedford Way, University College London (UCL)

Main Venue: W3.01 (Both Days)

Breakout Rooms: C3.11 (Day 2 only), C3.12, C3.13 (Both Days)

Lunch Area: Clarke Hall (Day 1 only), A5.01 and A5.02 (Day 2 only)


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Hotels

If you have been sponsored, your will be accommodated in the Holiday Inn London - Regent's Park, Carburton St, W1W 5EE


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Beer Event

BrewDog Seven Dials, 142 Shaftesbury Ave, London WC2H 8HJ


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Community Dinner

The Marquis Cornwallis, 31 Marchmont Street, London, Greater London, WC1N 1AP


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Code of Conduct

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

Contact

The VideoLAN Dev Days are organized by the board members of the VideoLAN non-profit organization, Jean-Baptiste Kempf, Denis Charmet, Felix Paul Khüne and Konstantin Pavlov. You can reach us at board@videolan.org.

Local Organizer

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