Ukukhishwa okusemthethweni kokuqala kwe-rav1e, isifaki khodi se-AV1 eRust

kwenzeka ΠΏΠ΅Ρ€Π²Ρ‹ΠΉ выпуск Π½ΠΎΠ²ΠΎΠ³ΠΎ Π²Ρ‹ΡΠΎΠΊΠΎΠΏΡ€ΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡ‚Π΅Π»ΡŒΠ½ΠΎΠ³ΠΎ ΠΊΠΎΠ΄ΠΈΡ€ΠΎΠ²Ρ‰ΠΈΠΊΠ° Ρ„ΠΎΡ€ΠΌΠ°Ρ‚Π° кодирования Π²ΠΈΠ΄Π΅ΠΎ AV1 - i-rav1e 0.1, совмСстно Ρ€Π°Π·Π²ΠΈΠ²Π°Π΅ΠΌΠΎΠ³ΠΎ сообщСствами Xiph ΠΈ Mozilla. ΠšΠΎΠ΄ΠΈΡ€ΠΎΠ²Ρ‰ΠΈΠΊ написан Π½Π° языкС Rust ΠΈ отличаСтся ΠΎΡ‚ эталонного ΠΊΠΎΠ΄ΠΈΡ€ΠΎΠ²Ρ‰ΠΈΠΊΠ° libaom Π·Π½Π°Ρ‡ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹ΠΌ ΡƒΠ²Π΅Π»ΠΈΡ‡Π΅Π½ΠΈΠ΅ΠΌ скорости кодирования ΠΈ ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½Π½Ρ‹ΠΌ Π²Π½ΠΈΠΌΠ°Π½ΠΈΠ΅ΠΌ ΠΊ ΠΎΠ±Π΅ΡΠΏΠ΅Ρ‡Π΅Π½ΠΈΡŽ бСзопасности. Код ΠΏΡ€ΠΎΠ΅ΠΊΡ‚Π° isatshalaliswa ngu ngaphansi kwelayisensi ye-BSD.

Ifomethi ye-AV1 iyabonakala ukuphuma x264 kanye ne-libvpx-vp9 ngokwezinga lokucindezela, kodwa ngenxa yobunkimbinkimbi be-algorithms kudinga isikhathi esiningi kakhulu sombhalo wekhodi (ngesivinini sombhalo wekhodi, i-libaom ingemuva kwe-libvpx-vp9 izikhathi ezingamakhulu, nezinkulungwane zezikhathi ngemuva kwe-x264).
Isifaki khodi se-rav1e sinikeza amazinga okusebenza angu-11, aphezulu kakhulu aletha eduze nezivinini zombhalo wekhodi zesikhathi sangempela. Isishumeki siyatholakala kokubili njengesisetshenziswa somugqa womyalo nanjengelabhulali.

Zonke izici ezinkulu ze-AV1 ziyasekelwa, okuhlanganisa nokusekela
ozimele abafakwe ikhodi ngaphakathi nangaphandle (ngaphakathi- ΠΈ phakathi-ozimele), 64x64 superblocks, 4:2:0, 4:2:2 kanye 4:4:4 chroma subsampling, 8-, 10- kanye no-12-bit wombhalo wekhodi ukujula kombala, i-RDO (I-Rate-distortion optimization) ukuhlanekezela kokuthuthukisa, izindlela ezahlukahlukene zokubikezela izinguquko ze-interframe nokuhlonza ukuguqulwa, ukulawula izinga lokugeleza kanye nokubona ukuncishiswa kwesigcawu.

Source: opennet.ru

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