How Netflix Reduced 20% Streaming Costs With a Clever Encoding Trick

[@redesignuxui]

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[@dampfwatze]

Isn't that the same as setting the -crf flag on ffmpeg??

[@MrScoffins]

Exactly what I was thinking. Been doing this for years with my own video encoding.

[@zacker150]

Not quit. Netflix is doing the equivalent of finding the optimal ffmpeg parameters for each title.

[@CrushedAsian255]

Also -pass

[@jmtradbr]

They need to look more complicated than it seems so they don't look cheap.

[@lokomen9]

No - a lets say 18 crf, can result in VMAF 98 and VMAF 92 - where 98 is indistingusable from source and 92 is shit. You cannot just use "x" crf Some scenes might be 92 and others 98, with same CRF So what netflix does, is split the video into scenes, encode those for "x" vmaf like 95, so its encoded by quality, not static params. It is similar to using av1an's target-quality setting :)

[@laktionof]

From this video I remembered that for stand-ups and cartoons in 1080p about 1.5 Mbps is enough

[@Petch85]

I would expect that netflix are using dedicated encoder hardware. The encoders build into modern GPUs can encode video much more efficiently and much faster than CPU cores.

[@EduardoEscarez]

Video on demand doesn't need fast encoding because there can be months between the end of production and its delivery; so it is possible to prioritize fine tuning and conversion to as many targets (device, screen size, bandwidth) as possible and then deliver the files to the CDN/PoP networks before the release date. Live video is different and more tricky, because you want the optimizations but without adding too much delay, so it's more restrictive.

[@Rsonny]

​@@EduardoEscarez Hmm perhaps that's why there were so many complaints with the Mike Tyson vs Jake Paul fight stream.

[@alexdefoc6919]

Interesting is the fact that i ussually subscribe not to watch more videos but to support the person. This video came on my feed and i was curious. Glad to have some vids already recomended that is from a person i subscribed to. :))

[@RandomGeometryDashStuff]

08:41 > as Netflix's Library grows the encoding workload increases do you mean number of movies added per week grows? encoding workload doesn't need to increase if total amount of movies increases but number added per week stays same

[@yejemoleg9821]

i need more of this in my feed and way more less brain rot

[@Rsonny]

Keep watching more of this and your feed will fix itself

[@meamyr]

idk why, but your videos are SO interesting

[@Daxicek]

How does this channel have only 18k subscribers? Your videos are amazing! 👍

[@RandomGeometryDashStuff]

08:14 did they put cpu with more cores in server and run {number of cores} encoders?

[@XCOJO]

Great Videos have been around since the beginning

[@njpme]

How they couldn't do this with the Tyson vs Paul fight? 🤔

[@agoogleuser1916]

Thats why youtube is considered as a miracle

[@Rsonny]

It was live, that's the reason it sucked. This system is hyper-optimised for Video -on-Demand content

[@njpme]

@@Rsonny they had months to prepare for it. If KZbin can do it and Peacock can do the World Cup and Olympics, I don't see the excuse here.

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[@jurgennicht4626]

I thought VBR is supposed to automatically optimize bitrate?

[@EduardoEscarez]

It does, but conventional algorithms are designed to address different kinds of videos and scenarios, so they can be ineffective to some degree. What Netflix does is using their software to pinpoint the most efficient optimization strategy possible because it has enough time between the end of production and the delivery of content to do it.

[@mutuka]

Netflix didn't really democratize 4K content, 4K still costs extra for the user as the Netflix Premium plan is required. The standard plan is limited to 1080p. Good video though, as is lowering bandwidth requirements🙂

[@yachidan]

Thank you for great content

[@mukulrstar]

Hey, just wondering, are you Indian? I have been watching your videos for a few days now, they seem good.

[@ByteBite101]

🔥

[@simplemechanics246]

This pure BS. They do not need anything like that because they have on every country the local storage servers. This is beneficial for them and local service providers. So, compression story is pure BS