Luc Trudeau

Have we entered a new era of compression?

4 teams in #CLIC2025 early leaderboard beat VTM, not in PSNR, but in ELO and perceptual quality.

VTM used to be the gold standard. That may no longer be true.

This slide from Théo Ladune nails it.

@clic-challenge.bsky.social
#CLIC2025 #ImageCompression

If the decoder is the new bitstream,
then gradient descent is the new encoder

Models like COOL-CHIC and C3 don’t learn to represent the image, they learn what they can forget.

Compression isn’t about saving pixels.
It’s about sculpting away what won’t be misse

The “AV1 is a disaster” myth

Here’s what’s actually true:
- SVT-AV1 is fast, fully multithreaded and packed with SIMD.
- It scales beautifully on modern CPUs.
- It beats x264, x265, and VP9 in bitrate vs runtime.

AV1 on CPU isn’t a disaster. It’s quietly winning.

Are generic codecs holding us back?

We built walls of complexity but overfitted codecs are leaping right over those limits.

What if the future of compression isn’t more versatility, but custom solutions tailored for each challenge?

Are you ready to take off the training wheels?

Seeing the drama on LinkedIn concerning SQL, I couldn’t resist

AV1 isn’t just about compression. It’s about unlocking better experiences for players and developers

Chilling in Québec City tonight after giving a talk on AV1 vs. VP9 for in-game cinematics at a game studio.
You can fit AV1 HDR in the same space as SDR VP9.
It’s not just easier to implement HDR in AV1, the decoder support, especially on consoles, is miles ahead.
#AV1 #VideoCompression #GameTech

YouTube video by Streaming Media How Meta Deploys and Tests AV1 on Android

just added this video to the dav1d playlist, short ~3min video on benchmarking AV1 on Android. Love the shoutout to dav1d for “optimizing all the subroutines into NEON assembly” and using “the latest and greatest” instructions.
#AV1 #dav1d #videotech #opensource #androiddev

What if Canada had its own CDN?
Digital sovereignty, “maîtres chez-nous” of the internet age. Serving local broadcasters, hosting national culture, and keeping our bits and our dollars at home.
Sweden’s looking into it. France already did.
Why should we depend on the US for everything? #never51

HDR10+ Now Streaming on Netflix Roger Quero, Liwei Guo, Jeff Watts, Joseph McCormick, Agata Opalach, Anush Moorthy

The real headline isn’t #HDR10+. It’s that #AV1 is about to become the most streamed codec at #Netflix

"AV1-SDR is already the second most streamed codec at Netflix, behind H.264 [...] we expect the day is not far when AV1 will be the most streamed codec at Netflix"

Quiet shift. Big milestone.

For those new to it: Daala was an experimental, open-source video codec developed by Mozilla and Xiph

It pushed codec tech forward and eventually influenced AV1s design

(Image: “Rainbow vomit tiger” accurately summarizing how our daily codec experiments felt.)

#Daala #AV1 #OpenSource #CodecDev

TIL the saying we had on @mozilla.org’s Daala team—“Another day, another Daala”—was a twist on the song “Another Day, Another Dollar.”

Unlike the song’s predictable daily grind, our codec work was anything but routine. Each commit was a new codec, literally

#Daala #Mozilla #VideoCompression #TIL

a man in a black hat is holding a chainsaw and giving a thumbs up to another man ALT: a man in a black hat is holding a chainsaw and giving a thumbs up to another man

Bending Spoons pulling an Elon at Brightcove.
198 laid off, two-thirds of the U.S. team.
Monetizing encoding infra remains brutally hard.
HEVC’s fractured licensing model slowed adoption, killed deals, and left a trail of failed bets in its wake.
#TechLayoffs

Just started on Bluesky and didn’t expect to feel welcomed so fast.
Honored and grateful to be included in @timmerer.com's Video Tech Starter Pack.
Excited to join this growing community of codec devs, streaming pros, and open-source folks.
#VideoTech #AV1 #OpenSource
go.bsky.app/KMv5Lid

Yeah that would be awesome It would also be great to be able to follow a starter pack and be notified when new people are added to it

dav1d: Speed, Efficiency & AV1 Awesomeness - YouTube dav1d is the fastest AV1 decoder, built for speed, efficiency, and cross-platform compatibility. This playlist features performance benchmarks, technical dee...

Can you believe it? #dav1d is 6 years old. Over the years, I’ve compiled a playlist of talks and demos that trace its evolution.

It’s a great way to learn about dav1d and watch it get faster, smarter and more efficient over the years.

#AV1 #VideoCompression #OpenSource

youtube.com/playlist?lis...

I’m new to Bluesky and it’s great to see there’s already a vibrant community of video tech folks here.

This starter pack is a great way to dive it. thanks @timmerer.com for curating it.

a man in a black hat is holding a chainsaw and giving a thumbs up to another man ALT: a man in a black hat is holding a chainsaw and giving a thumbs up to another man

Bending Spoons pulling an Elon at Brightcove.
198 laid off, two-thirds of the U.S. team.
Monetizing encoding infra remains brutally hard.
HEVC’s fractured licensing model slowed adoption, killed deals, and left a trail of failed bets in its wake.
#TechLayoffs

www.nbcboston.com/boston-busin...

Hey Bluesky! I’m Luc, a video compression researcher near Montreal.

Coauthored AV1 and co-designed the dav1d decoder.

Expect AV1 content, news, coding tricks, and memes.

#AV1 #VideoCompression #OpenSource