The Curious Engineer

All blogs / Software / engineering practice

Jean-Baptiste Kempf's Website

jbkempf.com/blog

I'm the president of VideoLAN, one of the lead developers of VLC and a maintainer of open source multimedia projects. I created several startups, was the CTO of scale-ups, and advised startups and VCs.

Software / engineering practicePerformance / optimizationAssembly

’10’15’20’25
Posts
346 from 9 Nov 2006 to 25 Sep 2026
Posting
monthly (13 in the last year)
Kind
personal blog
Feed
https://jbkempf.com/blog/index.xml

2026 9

  1. VLC 3.0.24
  2. Mirrorbits 0.6.2
  3. FFmpeg 9.0
  4. libdvdread 7.1 & libdvdcss 1.6: DVD-VR edition
  5. VLC for Vega OS
  6. libbluray 1.5.0
  7. dav1d 1.5.4
  8. Let dav2d be
  9. VLC 3.0.23

2025 6

  1. libspatialaudio 0.4: a modern spatial audio library
  2. libdvdnav/read 7 & libdvdcss 1.5 releases: DVD-Audio
  3. dav1d 1.5 Sonic
  4. Honoured to Receive the European SFS Award 2025
  5. libbluray 1.4.0 release
  6. Mirrorbits 0.6 release

2024 2

  1. FFmpeg 7.1: a tons of codecs
  2. FFmpeg 7.0: a question of threads

2023 1

  1. dav1d 1.2.0 release

2022 1

  1. FFmpeg 5.0

2021 1

  1. dav1d 0.9.1: a ton of asm

2020 2

  1. dav1d 0.7.1
  2. dav1d 0.7.0: mobile focus

2019 6

  1. dav1d 0.5.1: more speed!
  2. dav1d 0.5.0 release: fastest!
  3. VLC for iOS 3.2: a new hope
  4. VLC 3.0.7 and security
  5. dav1d 0.3.0 release: even faster!
  6. dav1d shifts up a gear : 0.2 is out!

2018 7

  1. How to use AV1 with open source tools
  2. First release of dav1d, the AV1 decoder
  3. dav1d: performance and completion of the first release
  4. The VLC Technical Committee
  5. Introducing dav1d: a new AV1 decoder
  6. VLC for iOS and UWP 3.1.0 release
  7. Welcome back!

2016 25

  1. Last weeks in VideoLAN - 53
  2. Last week in VideoLAN - 52
  3. Last week in VideoLAN - 51
  4. Last weeks in VideoLAN - 50
  5. Announcing VLC for UWP 2.0 beta
  6. Last weeks in VideoLAN - 49
  7. This week in VideoLAN - 48
  8. This week in VideoLAN - 47
  9. Announcing VLC for Android 2.0
  10. This week in VideoLAN - 46
  11. This week in VideoLAN - 45
  12. These weeks in VideoLAN - 44
  13. This week in VideoLAN - 43
  14. This week in VideoLAN - 42
  15. This week in VideoLAN - 41
  16. These weeks in VideoLAN - 40
  17. This week in VideoLAN - 39
  18. These weeks in VideoLAN - 38
  19. This week in VideoLAN - 37
  20. This week in VideoLAN - 36
  21. These weeks in VideoLAN - 35
  22. 15 years of VLC and VideoLAN
  23. These weeks in VideoLAN - 34
  24. This week in VideoLAN - 33
  25. This week in VideoLAN - 32

2015 40

  1. These weeks in VideoLAN - 31
  2. libdvdcss 1.4.0 release
  3. This week in VideoLAN - 30
  4. Announcing VLC for Chrome OS
  5. Last weeks in VideoLAN - 29
  6. This week in VideoLAN - 28
  7. This week in VideoLAN - 27
  8. This week in VideoLAN - 26
  9. This week in VideoLAN - 25
  10. This week in VideoLAN - 24
  11. This week in VideoLAN - 23
  12. This week in VideoLAN - 22
  13. This week in VideoLAN - 21
  14. This week in VideoLAN - 20
  15. libbluray 0.9.0
  16. Last weeks in VideoLAN - 19
  17. new libVLC backend for EFL/Emotion
  18. The future of codecs is at VideoLAN Dev Days '15
  19. This week in VideoLAN - 18
  20. This week in VideoLAN - 17
  21. This week in VideoLAN - 16
  22. This week in VideoLAN - 15
  23. Last weeks in VideoLAN - 14
  24. This week in VideoLAN - 13
  25. This week in VideoLAN - 12
  26. This week in VideoLAN - 11
  27. This week in VideoLAN - 10
  28. This week in VideoLAN - 9
  29. This week in VideoLAN - 8
  30. This week in VideoLAN - 7
  31. This week in VideoLAN - 6
  32. This week in VideoLAN - 5
  33. This week in VideoLAN - 4
  34. This week in VideoLAN - 3
  35. This week in VideoLAN - 2
  36. This week in VideoLAN - 1
  37. Control VLC with your voice and gestures
  38. libbluray 0.8.0
  39. New libDVD releases: streaming DVD ISOs
  40. Blu-Ray libraries releases

2014 10

  1. 10 years of GSoC and VideoLAN
  2. Second VLC for WinRT release
  3. libdvdread, libdvdnav and libdvdcss releases
  4. VLC 2.1.5
  5. VLC, Android and DVDs
  6. Blu-Ray playback libraries updates (BD-J)
  7. Website refresh
  8. VLC for Android: take 2
  9. Second build submitted to the store
  10. First achievement unlocked!

2013 13

  1. The state of the open Blu-Ray playback in 2013
  2. Readying VLC on WinRT
  3. VLC: 2.1.1 and 2.0.9
  4. VLC 2.1.0-rc1
  5. News about our WinRT port
  6. VLC releases
  7. More lies from Secunia
  8. VLC for Android and LGPL
  9. Follow-up report about the WinRT port
  10. New report about the WinRT port
  11. Over 25000!
  12. Technical update on the WinRT port
  13. Opinion sur la consultation publique lancée par la Hadopi

2012 11

  1. Why we need a KickStarter for VLC on Metro
  2. Windows Store and the GPL
  3. How to properly(?) relicense a large open source project - part 3
  4. I did it!
  5. How to properly(?) relicense a large open source project - part 2
  6. How to properly(?) relicense a large open source project - part 1
  7. VLC media player 2.0.4 and VLC for Android 0.0.6
  8. VideoLAN on HTTPS
  9. News
  10. It's over 20,000!
  11. VLC 2.0 pour MacOS X

2011 11

  1. VLC 1.2: nouveautés
  2. VLC 1.2.0 features: part 2, formats
  3. Disc libraries releases: bluray, aacs, dvdcss
  4. Who wrote VLC 1.2?
  5. Dotclear 2.4 upgrade
  6. VLC 1.2.0 features: part 1, video output - update
  7. VLC 1.2.0 features: part 1, video output
  8. Dotclear 2.3 upgrade
  9. VLC on Gnome3
  10. Interview Vidéo sur Nolife TV
  11. 28

2010 11

  1. State of VideoLAN
  2. HTC Touch Diamond, ROM upgrade and Windows 7
  3. Let's talk about numbers
  4. So, I bought a blu-ray drive... [Part 2]
  5. So, I bought a blu-ray drive... [Part 1]
  6. On the road to VLC 1.1.0 part 2: better
  7. On the road to VLC 1.1.0 part 1: faster
  8. On the road to VLC 1.1.0: introduction
  9. VLC and GPU decoding on linux aka Re: Welcome to the Thicket
  10. VLC 1.0.5 et 1.1
  11. videolan.org stats for 2009: 90 million visits

2009 29

  1. VideoLAN is on Twitter
  2. VLC 1.0.3 is out!
  3. VLC: CDDB on Windows!
  4. VideoLAN and April
  5. Meet me in SF bay area soon
  6. VLC and Windows 7 Logo
  7. Ubuntu Karmic tryouts
  8. VLC 64bit running on Windows 7 64bits. 1st!
  9. Snow Leopard is out! And why you will not have VLC 64bits right now...
  10. VLC 1.0.0, 1.0.1, a backward look
  11. VLC 1.0.0 goes above 3 million in less than 3 days!
  12. VLC 1.0.0 is out.
  13. Meet me at OpenVideoConference in NYC
  14. VLC 1.0.0 RC 2
  15. last.fm, libre.fm and scrobbling
  16. Want to include vlc in your Qt application?
  17. VLC and IDE
  18. Decoding video in VLC using VAAPI and nVidia
  19. 0.9.9 is released
  20. 26
  21. Interview dans Linux Pratique Essentiel
  22. Howto build VLC 1.0.0-git in Ubuntu in less than 5 commands.
  23. Médiamétrie - http://www.videolan.org
  24. Debian Lenny released!
  25. VLC: From Player to Playa
  26. WxWidgets interface...
  27. Conference
  28. VLC 1.0 and VideoLAN for 2009
  29. Bonne année! Happy New Year.

2008 85

  1. Joyeux Noël
  2. VLC dresses up for holiday season
  3. VideoLAN Dev Days '08
  4. ToolBar Editor
  5. New Codecs for 1.0
  6. Evaluation of Google Summer of Code 2008 for VideoLAN
  7. De retour à Paris
  8. Back in Paris
  9. Build VLC media player under Ubuntu Intrepid
  10. SourceForge Award Trophee for VLC
  11. New Machine
  12. VLC 0.9-1.0 with native GTK Open File Dialog.
  13. Ubuntu migrations to 8.10
  14. Update to Vista SP1 (follow up) Failure 0x800F0826
  15. Blog back on track and Update to DC 2.1
  16. Nouvelles technologies dans les navigateurs Internet
  17. VLC media player and SSA/ASS support
  18. /quit job
  19. OSCON 2008 registration confirmation
  20. VLC 0.9.0 OS support
  21. Nouveau classement du Top500 - Pétaflop!
  22. VideoLAN at WWDC 08
  23. Bataille en vue: Processeurs pour appareils portables ?
  24. Innovations dans le domaine des écrans « multi-touch »
  25. Syllable port of VLC announced.
  26. Gestion des dossiers médicaux par Google Health.
  27. Innovations technologiques dans la version 10 de Flash Player
  28. VLC media player and GTK
  29. VLC 0.9.0 and subtitles support
  30. Conférence sur l'informatique embarquée à San José
  31. Statistiques sur les articles scientifiques
  32. Croissance du graphène.
  33. Supercalculateur à base de microprocesseurs embarqués
  34. Fabrication de memristance par HP Labs
  35. CoverFlow and VLC in a webpage
  36. Dotclear 2.0RC in may!
  37. VideoLAN Webbys 5s in London.
  38. Reflexions about the first part of this SoC
  39. Nouveautés chez les fabricants de microprocesseurs
  40. PG&E investit dans des centrales solaires
  41. Micro-résonateurs en Silicium
  42. 25
  43. Build VLC media player under Ubuntu Hardy (8.04)
  44. Mobilité électrique du Graphène
  45. Création de centres de recherche universitaire avec Microsoft et Intel
  46. Enchères et tractations à propos des fréquences sans fils aux USA.
  47. Ventilateurs statiques silencieux pour ordinateurs
  48. Google Summer of Code: VideoLAN
  49. Nouvelle méthode de production des OLED
  50. H264 encoding: "some boring x264 stuff that you’d better not forget.
  51. [FR]Firefox 3 beta4: ameliorations des performances
  52. Firefox 3 beta4: Performances improvements.
  53. Conférence et record dans les communications par fibres optiques
  54. Howto build VLC on Windows on a fresh Windows
  55. Investissements dans le solaire au Nouveau Mexique.
  56. Nouveautés chez les fabricants américains de microprocesseurs.
  57. VLC switched to Git
  58. VLC media player release: 0.8.6e and coverity
  59. Intervention de la FCC sur la neutralité du net
  60. Récupération des clés de chiffrement dans les mémoires RAM
  61. MacBook install: triple boot: linux, windows, Mac OS
  62. New laptop: MacBook
  63. VideoLAN @ FOSDEM
  64. Nvidia se lance dans les processeurs pour portables
  65. Surveillance de trafic grâce à des téléphones GPS
  66. Video on Demand: RTSP vs HTTP
  67. Expliquer comment rendre un cristal conducteur...
  68. Intel à la conférence ISSCC à San Francisco: Tukwila et PRAM
  69. Rémi: "Issues with CMake"
  70. FOSDEM
  71. VLC: misc and builds
  72. Stanford Make3d, pour donner du relief à vos photos
  73. Caractérisation et géométrie de l’isotope 8 de l’hélium
  74. Linux 2.6.24, Intel 4965
  75. KDE4
  76. CES 2008 : technologies
  77. Innovations technologiques au MacWord 2008
  78. CES Inside: Conclusion
  79. CES Inside: Day 3 (Sands, south hall)
  80. CES Inside: Day 2 (Main Hall, North hall)
  81. CES Inside: Day 1 (South Hall)
  82. CES Inside: Day 0 (Bill Gates Keynote)
  83. CES Time
  84. Installing Windows XP SP3
  85. Day of the cone

2007 65

  1. Happy Holidays - Bonne Vacances
  2. KDE4 Release Event
  3. Nouveaux systèmes d'exploitation, Multi-Processeurs et Virtualisation
  4. Cellules solaires organiques en V
  5. Configure-step in VLC building.
  6. Update from Windows Vista Ultimate to Windows Vista Ultimate SP1
  7. Avancée sur les sources de photons uniques
  8. Planet repaired
  9. VLC media player Lines of Code
  10. Qt4 screenshots
  11. VLC media player 0.8.6d release
  12. Transistors en fullerènes à températures ambiantes
  13. New shortcuts for VLC on linux
  14. Clarifications for Qt4 interface
  15. SuperComputing: Open Grid Forum et Microsoft
  16. Utiliser les techniques des réseaux de distribution d'eaux pour sélectionner les meilleurs blogs.
  17. Oracle Open World 2007, San Francisco
  18. Débogage rapide des puces par l’université du Michigan : FogClear
  19. Misconceptions about VLC - 2 Running VLC without interface
  20. Building a vlc from scratch in CentOS 5.0/RHEL5
  21. IBM recycle ses processeurs en capteurs solaires
  22. Google Summer of Code: Mentor Summit [fr]
  23. VLC and Mac OS X Leopard
  24. Mac OS X Leopard
  25. Microprocesseurs 45nm - High-k ?
  26. Arrivé à San Francisco
  27. Build vlc under a fresh sid
  28. GSoC Summit
  29. Setup a thinkpad T61p: part , installing linux
  30. Setup a thinkpad T61p: part 1, dual boot XP/Vista
  31. Review of Thinkpad T61p
  32. Misconceptions about VLC - 1 Building an application on VLC.
  33. Heading to San Francisco, CA, USA
  34. GSoC Results: Open Letter to Leslie and Google Team
  35. VLC Skin Editor (2)
  36. Qt4 Hackathon
  37. Free.fr, Neuf/Cegetel, Orange and other ISPs: joys and despairs...
  38. VLC Skin Editor under work
  39. Qt4 interface: screenshot
  40. New Wiki skin, forum & links
  41. Diplomé
  42. Diploma
  43. Bugfix Release: 0.8.6c
  44. Lutèce d'Or 2007 - Updated
  45. Best Media Player Software
  46. How to use VLC media player under Vista
  47. Bored with Debian - x264 patents
  48. Migration time - Ubuntu-debian
  49. Build VLC media player under Ubuntu Feisty (7.04)
  50. French Elections: What should vote from a VideoLAN point of view.
  51. VideoLAN: What I have been doing lately?
  52. Yet another time: copyrights, GPL infringements and phishing (2)
  53. Yet another time: copyrights, GPL infringements and phishing
  54. GUI, ergonomics and gestures
  55. Help me with Qt4 development and VLC ergonomics.
  56. VideoLAN and Google Summer of Code 2007
  57. Eric Raymond leaves Fedora and questions about multimedia codecs.
  58. Comment retrouver ses données en plus de 30 secondes !!!
  59. How to install VLC 0.8.6a under ubuntu dapper 6.06 LTS.
  60. Comment perdre toutes ses données en moins de 30 secondes.
  61. 01Net top 10 Donwloads in 2006
  62. Websites, WIki (2): Final
  63. Qt4 Interface
  64. 0.8.6a or how to do a fast release....
  65. Bonne année ! Happy New Year !

2006 11

  1. Sites and Wiki ReWork
  2. Netvibes VLC News Tab
  3. Over 1 Million Downloads...
  4. VLC release
  5. De retour de Vacances
  6. VLC Name
  7. VLC QA team
  8. top 10 VLC most wanted features
  9. GPL VLC / iVivo
  10. 26 millions !
  11. Un nouveau blog ?