{"id":52492,"date":"2019-11-09T00:00:00","date_gmt":"2019-11-08T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/pervyj-ofitsialnyj-vypusk-rav1e-kodirovshhika-av1-na-yazyke-rust"},"modified":"2020-02-18T14:00:13","modified_gmt":"2020-02-18T11:00:13","slug":"pervyj-ofitsialnyj-vypusk-rav1e-kodirovshhika-av1-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/pervyj-ofitsialnyj-vypusk-rav1e-kodirovshhika-av1-na-yazyke-rust","title":{"rendered":"Prima versiune oficial\u0103 a rav1e, codificatorul AV1 scris \u00een Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A avut loc<\/a><\/noindex> prima lansare a unui nou codec de video de \u00eenalt\u0103 performan\u021b\u0103 AV1<\/a><\/noindex> \u2014 rav1e 0.1<\/a><\/noindex>, dezvoltat \u00eempreun\u0103 cu comunit\u0103\u021bile Xiph \u0219i Mozilla. Codec-ul este scris \u00een limbajul Rust \u0219i se diferen\u021biaz\u0103 de codec-ul de referin\u021b\u0103 libaom printr-o cre\u0219tere semnificativ\u0103 a vitezei de codare \u0219i o aten\u021bie sporit\u0103 asupra securit\u0103\u021bii. Codul proiectului se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> sub licen\u021ba BSD.<\/p>\n

formatul AV1 dep\u0103\u0219e\u0219te x264 \u0219i libvpx-vp9 \u00een ceea ce prive\u0219te nivelul de compresie, dar din cauza complexit\u0103\u021bii algoritmilor<\/a><\/noindex> timpul pentru codare este semnificativ mai mare (\u00een ceea ce prive\u0219te viteza de codare, libaom este cu sute de ori mai lent dec\u00e2t libvpx-vp9 \u0219i cu mii de ori mai lent dec\u00e2t x264). requiere<\/a><\/noindex> Codec-ul rav1e ofer\u0103 11 niveluri de performan\u021b\u0103, cele mai ridicate dintre acestea permi\u021b\u00e2nd ob\u021binerea unei viteze apropiate de codarea \u00een timp real. Codec-ul este disponibil at\u00e2t sub form\u0103 de utilitar CLI, c\u00e2t \u0219i ca bibliotec\u0103.
\nSunt suportate toate func\u021bionalit\u0103\u021bile de baz\u0103 AV1, inclusiv suportul pentru<\/p>\n

cadre codificate intern \u0219i extern (
\nintra-inter<\/a><\/noindex> \u0219i -cadre), superblocuri 64\u00d764, sub-e\u0219antionare a culorii 4:2:0, 4:2:2 \u0219i 4:4:4, codarea ad\u00e2ncimii de culoare pe 8, 10 \u0219i 12 bi\u021bi, optimizarea RDO (Rate-distortion optimization) a distorsiunilor, diverse moduri de predic\u021bie a schimb\u0103rilor inter-cadru \u0219i identificarea transform\u0103rilor, gestionarea vitezei fluxului \u0219i detectarea t\u0103ierii scenelor.<\/a><\/noindex>-cadre), superblock-uri 64×64, sub-discretizarea culorii 4:2:0, 4:2:2 \u0219i 4:4:4, codificarea ad\u00e2ncimii culorii pe 8, 10 \u0219i 12 bi\u021bi, optimizarea RDO (Rate-distortion optimization) a distorsiunilor, diferite moduri de prezicere a modific\u0103rilor inter-cadru \u0219i identificarea transform\u0103rilor, controlul vitezei fluxului \u0219i detectarea t\u0103ierii scenei.<\/p>\n

<\/a><\/noindex><\/p>\n

Sursa: opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV1 — rav1e 0.1, \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0430\u043c\u0438 Xiph \u0438 Mozilla. \u041a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 libaom \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435\u043c \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u044b\u043c \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435\u043c \u043a \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u0424\u043e\u0440\u043c\u0430\u0442 AV1 \u0437\u0430\u043c\u0435\u0442\u043d\u043e \u043e\u043f\u0435\u0440\u0435\u0436\u0430\u0435\u0442 x264 \u0438 libvpx-vp9 \u043f\u043e \u0443\u0440\u043e\u0432\u043d\u044e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-52492","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Prima lansare oficial\u0103 a rav1e, encoder AV1 \u00een Rust | ProHoster","description":"\ud83e\udd47Prima lansare oficial\u0103 a rav1e, codec-ul AV1 \u00een limbajul Rust | 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