jbkempf on Jean-Baptiste Kempf's Website

Mirrorbits 0.6.2 adds rsync over TLS, optional geographical sorting, and mirror-down reasons in the CLI, and deletes 300,000 lines of vendored code on its way to modern Go.

FFmpeg 9.0 is a major release with a major ABI break, new swscale architecture, more Vulkan work, Dolby Vision Profile 7 handling, and a few fun surprises.

libdvdread 7.1.0 and libdvdcss 1.6.0 bring DVD-VR support and CPRM decryption to the open DVD stack, opening up millions of recorded discs, plus DVD-Audio still images.

VLC is now available on Vega OS, Amazon’s new operating system for Fire TV devices.

libbluray 1.5.0 exposes HDR and Dolby Vision metadata, chapter names, and much-improved BD-J interactive menus, and bumps its soname to libbluray.so.4.

dav1d 1.5.4 continues the Sonic series with more RISC-V and ARM optimizations, better threading, and improved portability, including OS/2 support.

AV1 had dav1d.

3-hour conversation with Lex Fridman and Kieran Kunhya on FFmpeg, VLC, codecs, and the global open-source video stack.

Annual FOSDEM update on the state of FFmpeg, VLC, x264, dav1d, libplacebo, libspatialaudio communities — plus the latest from Kyber.

VLC 3.0.23 ‘Vetinari’ is a maintenance and security release: subtitle and caption fixes, a batch of Windows work, and a serious round of security hardening, supported by the Sovereign Tech Fund.

libspatialaudio 0.4.0 is a major release of VideoLAN’s spatial audio renderer, covering HOA, object rendering, ADM-style concepts and IAMF-oriented workflows, with real-time-friendly binaural and loudspeaker outputs.

libdvdread 7, libdvdnav 7 and libdvdcss 1.5 bring full DVD-Audio parsing, navigation and CPXM decryption, along with build-system modernization and improved platform stability.

dav1d 1.5 Sonic brings improvements across all major architectures, major stack and code size reductions, and completes the core optimization work of the AV1 decoder.

Jean-Baptiste Kempf reflects on receiving the European SFS Award 2025 at SFSCON in Bolzano, celebrating the collective success of the VideoLAN and VLC communities.

Update on the Bluray open source stack: libbluray 1.4.0 and libudfread 1.2.0 It has been more than ten years since I last wrote about the Blu-ray libraries (So I bought a Blu-ray drive…, Disc libraries releases, Blu-Ray libraries update, Blu-Ray libraries…

Mirrorbits 0.6: A new Hope Since the middle of last year, I have taken over the maintainership of Mirrorbits, the open-source Geo-basedredirector, that we use to distribute the binaries of VLC, and that is now used by numerous open source projects and Lin…

Interview about Kyber and achieving 8 ms glass-to-glass latency for cloud gaming, robotics and remote control applications.

FFmpeg 7.1 FFmpeg 7.1 has been released today: a major release with numerous features that nevertheless maintains API compatibility with 7.0.

FFmpeg 7.0 FFmpeg 7.0 was released a few days ago: a major release with numerous new features and a new major version of the APIs.

dav1d 1.2.0 If you’ve followed a bit my blogposts, or Phoronix, in the last few years, you should have seen that we’ve focused on SIMD optimizations for all the platforms supported. dav1d 1.2.0 is no different.

FFmpeg 5.0 release Today, FFmpeg made a new release, numbered 5.0, called Lorentz.

dav1d 0.9.0 optimizations about 10bit Since 0.7.1 release from last year, we’ve focused on optimizing high-bitdepth decoding, on ARM and x86 platforms.

VLC media player is VideoLAN’s main project and one of my latest hobby.

VLC media player is VideoLAN’s main project and one of my latest hobby.

VLC media player is VideoLAN’s main project and one of my latest hobby.

VLC media player is VideoLAN’s main project and one of my latest hobby.

After spending a lot of time on ARM64 during 0.5.0 and 0.7.0, we’re spending some times for the people who are stuck with older phones, still running on 32-bit platforms.

After spending a lot of time on ARM64 during 0.5.0 and 0.7.0, we’re spending some times for the people who are stuck with older phones, still running on 32-bit platforms.

After spending a lot of time on ARM64 during 0.5.0 and 0.7.0, we’re spending some times for the people who are stuck with older phones, still running on 32-bit platforms.

After spending a lot of time on ARM64 during 0.5.0 and 0.7.0, we’re spending some times for the people who are stuck with older phones, still running on 32-bit platforms.

Release 0.7.1 We just did a small release of dav1d called 0.7.1, just one month after 0.7.0.

A few reminders about dav1d If you follow this blog, you should know everything about dav1d.

A few reminders about dav1d If you follow this blog, you should know everything about dav1d.

A few reminders about dav1d If you follow this blog, you should know everything about dav1d.

A new release: 3.2!

Severity According to our scale, we have had 33 valid security issues fixed thanks to this program: 2 high security issues, (only one was present in 3.0.x), 21 medium security issues, 10 low security issues.

A few reminders about dav1d If you follow this blog, you should know everything about dav1d.

tl;dr: dav1d has its second release If you want a quick summary of this post, about our AV1 decoder: dav1d is really ready for production, dav1d has impressive benchmarks on ARM devices, dav1d is now fast on 32-bit desktop processors (SSSE3).

AV1 and muxing If you follow this blog, you should know everything about AV1.

tl;dr: dav1d has now a first release If you want a quick summary of this post, about our AV1 decoder: dav1d is good enough that it has an official release, dav1d now covers all the spec and features of AV1 (including 12bits), dav1d is very fast on modern…

tl;dr: dav1d is in a very good shape If you want a quick summary of this post: dav1d now covers all the spec and features of AV1, for 8bits and 10bits depth, dav1d is very fast, up to 400% faster (more fps) than the libaom decoder, and very often 100% fas…

VLC Technical Committee I’m very proud to present to you the VLC Technical Committee, as elected during the last VDD conference: Denis Charmet, Rémi Denis-Courmont, Hugo Beauzée-Luyssen, Thomas Guillem and David Fuhrmann.

Introducing dav1d AV1 is a new video codec by the Alliance for Open Media, composed of most of the important Web companies (Google, Facebook, Netflix, Amazon, Microsoft, Mozilla…).

VLC 3.1.0 release After a few months since the release of VLC 3.0, today we release VLC 3.1.0 on 2 mobile OSes: iOS and Windows Store (UWP).

After quite a bit of time far from the blog, I am back around here.

53rd VideoLAN report During the core of the hot European summer, here is a weekly report about the last 2 weeks in the VLC and VideoLAN communities!

52nd VideoLAN report Another summer week passes by and here is a new weekly report about the VLC and VideoLAN communities!

51st VideoLAN report So, after a few crazy weeks, I’m coming back to a more regular schedule for my weekly reports about VLC and VideoLAN.

50th VideoLAN report So, after a few crazy weeks, I was taken a bit by RealLife©®, and we’ve had 3 weeks without report.

VLC for Windows 10 beta If you follow this blog, after a long development period (and a lot of issues), VideoLAN is finally releasing the beta of VLC for Windows 10, numbered 2.0.0.