Facebook’s Engineering Wizardry Makes Even VR Videos Load Fast

How did Facebook go from 1 billion to 8 billion videos views per day in 18 months without the whole server farm catching fire? It’s called SVE, short for streaming video engine. SVE lets Facebook slice videos into little chunks, cutting the delay from upload to viewing by 10X. And to ensure the next generation of 360 and virtual reality videos load fast too, it’s invented and open sourced new geometric encoding formats.By mapping a spherical video from a typical equirectangular shape into a cube with Facebook’s specs, 360 videos on your phone or computer drop in size by 25%. Now that cube filter is on GitHub. Facebook has also developed a pyramid encoding technique that makes virtual reality videos for headsets 80% smaller. That means even when a video lets…


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