Sakin SVT-AV1 0.6 mai rikodin bidiyo wanda Intel ya haɓaka

Intel aka buga sakin ɗakin karatu SVT-AV1 0.6 (Scalable Video Technology AV1), wanda ke ba da madaidaicin rikodi da dikodi don tsarin ɓoye bidiyo na AV1, wanda ke amfani da damar yin lissafin kayan aiki daidai da kayan aikin da aka samu a cikin Intel CPUs na zamani. Babban makasudin SVT-AV1 shine don cimma matakin aikin da ya dace da yin rikodin bidiyo akan-da-tashi da amfani da sabis na buƙatun bidiyo (VOD). Ana haɓaka lambar a matsayin wani ɓangare na aikin OpenVisualCloud, wanda kuma ke haɓaka maɓalli SVT-HEVC и Saukewa: SVT-VP9kuma rarraba ta ƙarƙashin lasisin BSD.

Don amfani da SVT-AV1, kuna buƙatar aƙalla ƙarni na biyar na Intel Core processor (Intel Xeon E5-v4 da sabbin CPUs). Rufe rafukan 10-bit AV1 a ingancin 4K yana buƙatar 48 GB na RAM, 1080p - 16 GB, 720p - 8 GB, 480p - 4 GB. Saboda rikitarwar algorithms da aka yi amfani da su a cikin AV1, sanya wannan tsari yana buƙatar ƙarin albarkatu fiye da sauran nau'ikan, wanda baya ba da damar yin amfani da madaidaicin madaidaicin AV1 don canza rikodin lokaci na gaske. Misali, madaidaicin maɓalli daga aikin AV1
Yana bukatar 5721, 5869 da 658 sau ƙarin ƙididdigewa idan aka kwatanta da x264 (bayanin martaba "babban"), x264 (bayanin martaba "high") da libvpx-vp9 encoders.

Canje-canje a cikin sabon sakin SVT-AV1 sun haɗa da ƙari na aiwatar da ƙaddamarwa na farko (a baya kawai an sami goyan bayan shigar da bayanai) da goyan bayan haɗin ɗakin karatu na tsaye. Hakanan an aiwatar da sabbin abubuwan ingantawa na SIMD, tallafi decimation ta amfani da 2 × 2 tacewa, goyon bayan rabuwa, daidaitawa Farashin QP da kuma canza canji na INTRA blocks.

source: budenet.ru