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Jean-Baptiste Kempf

πŸ‘€ Speaker
850 total appearances

Appearances Over Time

Podcast Appearances

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

He did the whole French box set.

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

That's quite like a thing a person on the street actually watches and wants to look good.

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

And so they kind of took a risk in their jobs doing that because they're in a big company.

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

That big company can buy whatever they want.

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

And they said, no, no, no, I want to use this free and open source thing.

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

so that things look good for my customers and build the best.

10944.11 View full episode β†’
Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

And to this day, I personally still try and avoid watching the most cinematic films on streaming services and buy the physical discs because they look good without even having to buy an expensive TV.

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

I think that's the key thing.

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

There are weird textures in anime that I don't think you get in real life content.

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

I think that was a key one, which was optimizing these weird textures that you get because anime is not done in a normal fashion.

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

It's more coding tools, more bigger blocks, lots more subpartitions in each block.

11249.75 View full episode β†’
Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

It's just exponentially more complex.

11254.76 View full episode β†’
Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

And as we discussed, CPUs are not getting faster.

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

You're just throwing more cores at the problem.

11316.96 View full episode β†’
Lex Fridman Podcast
#496 – FFmpeg: The Incredible Technology Behind Video on the Internet

Apple's codec for editing originally for Final Cut Pro and it's designed to be fast to decode fast to seek because an editor will need to move very quickly so it's a different use case to the distribution element

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

There's none in progress.

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

You have one at the beginning and you never send an iframe.

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

How does that work?

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

You build up an iframe gradually as the stream continues.

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

So you refresh certain parts of the image.