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#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Lex Fridman Podcast

Conversations that explore technology, history, philosophy, physics, mathematics, biology, chemistry, engineering, AI, robotics, programming, music, film, art, sports, psychology, neuroscience, geopolitics, business, economics, religion, astronomy, and the human condition with people from all walks of life.

Jean-Baptiste Kempf is lead developer of VLC and president of VideoLAN. Kieran Kunhya is a longtime FFmpeg contributor, codec engineer, and the person behind the now-infamous FFmpeg account on X. 
Thank you for listening ❤ Check out our sponsors: <a href="https://lexfridman.com/sponsors/ep496-sc">https://lexfridman.com/sponsors/ep496-sc</a> 
See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.
Transcript: 
<a href="https://lexfridman.com/ffmpeg-transcript">https://lexfridman.com/ffmpeg-transcript</a>
CONTACT LEX: 
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EPISODE LINKS: 
FFmpeg on X: <a href="https://x.com/FFmpeg">https://x.com/FFmpeg</a> 
FFmpeg: <a href="https://ffmpeg.org/">https://ffmpeg.org/</a> 
VideoLAN (VLC): <a href="https://www.videolan.org/">https://www.videolan.org/</a> 
VideoLAN on X: <a href="https://x.com/videolan">https://x.com/videolan</a> 
Jean-Baptiste’s Website: <a href="https://jbkempf.com/">https://jbkempf.com/</a> 
Jean-Baptiste’s LinkedIn: <a href="https://www.linkedin.com/in/jbkempf/">https://www.linkedin.com/in/jbkempf/</a> 
Jean-Baptiste’s GitHub: <a href="https://github.com/jbkempf">https://github.com/jbkempf</a> 
Kieran’s X: <a href="https://x.com/kierank_">https://x.com/kierank_</a> 
Kieran’s LinkedIn: <a href="https://bit.ly/3OORhmC">https://bit.ly/3OORhmC</a> 
Kieran’s GitHub: <a href="https://github.com/kierank">https://github.com/kierank</a>
SPONSORS: 
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OUTLINE: 
(00:00) – Introduction 
(03:00) – Sponsors, Comments, and Reflections 
(10:48) – Weirdest things VLC opens 
(15:12) – How video playback works 
(24:33) – Video codecs and containers 
(35:20) – FFmpeg explained 
(56:20) – Linus Torvalds 
(1:00:59) – Turning down millions to keep VLC ad-free 
(1:15:17) – FFmpeg & Google drama 
(1:34:31) – FFmpeg developers 
(1:41:08) – VLC and FFmpeg 
(1:45:42) – History of FFmpeg 
(1:48:59) – Reverse engineering codecs 
(2:02:14) – FFmpeg testing 
(2:06:21) – Assembly code (handwritten) 
(2:30:39) – Rust programming language 
(2:39:55) – FFmpeg and Libav fork 
(2:48:17) – Open source burnout 
(2:56:04) – x264 and internet video 
(3:09:20) – Video compression basics 
(3:16:17) – CIA and fake VLC 
(3:26:52) – Ultra low latency streaming 
(3:44:20) – AV2 codec and video patents 
(3:54:12) – VLC backdoors 
(4:04:27) – Video archiving 
(4:11:04) – Future of FFmpeg and VLC

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#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

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