We care about excellent code. We don't care who you are — maybe you're a dog, I don't care. We care about the quality of your code because this is what defines our community.

0:00- The important is, is your code good? We care about excellent code. We don't care who you are. Like maybe you're a dog. I don't care, right? I don't care where you come from. I need to look at your code. Oh, yeah, but I'm an engineer at this very large company in Italy, in Germany, in the US. We don't care. We care about the quality of your code because this is what defines our community

0:23and which means that we have a lot of people who contribute who are some very different backgrounds and very introverted. Sure. But that's okay, right? - FFmpeg is probably one of the biggest CPU users in the world. Everything we've just said in the past couple of minutes, every sentence is someone's lifetime's work. There are books about every sentence. So the level of complexity in many cases is inordinate.

0:45- FFmpeg has one hundred thousand lines of assembly for all the codecs. - For all codecs. Mm-hmm. - And just this one has two hundred and forty thousand. Every cycle matters. We are talking about probably three billion devices which are going to decode video nonstop because, for example, thirty percent of the video from Netflix is now in AV1, fifty percent of YouTube. - This is what peak video codecs should look like.

1:11Seventy-nine point nine percent assembly, nineteen point six percent C, and zero point five percent other. - And what's incredible is with those tweets, which is factual, people get crazy. - For the last two years, they go crazy. No, intrinsics is fine. The compiler- - You can optimize your compiler. Auto-vectorization, it's your fault. You don't understand. And we've tried that forever, right? - For two years, and two years later, showing hundreds of examples

1:40of handwritten assembly. No, no, no, you're doing it wrong. The compiler can do this. The intelligence agencies tried to, like, say, "Can you put a backdoor in VLC?" - Yes. Two of them. - Well, what did you say? - No. Well, I was a lot less polite. - Basically saying, "Hell no." - Like, if we had to compromise our software, we would shut it down. This is clear.

2:00- Any tweets Kieran, you regret? - Tweets I regret? - Or is it like that, how does the French song go? Regret nothing. - Don't regret anything. No, it's because regrets are attacks on your mind. - The following is a conversation all about FFmpeg and VLC with Jean-Baptiste Kempf and Kieran Kunhya. FFmpeg is an open source software system that is the invisible backbone behind YouTube, Netflix, Chrome,