{"id":184097,"date":"2026-11-02T23:40:40","date_gmt":"2026-11-02T21:40:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-svt-av1-4-3-0-kodirovshhika-dlya-formata-video-av1"},"modified":"2026-11-02T23:40:47","modified_gmt":"2026-11-02T21:40:47","slug":"svt-av1-4-3-0-av1-video-encoder-released","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/news\/svt-av1-4-3-0-av1-video-encoder-released","title":{"rendered":"Izlaists SVT-AV1 4.3.0, AV1 video form\u0101ta enkoders","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Izn\u0101kusi SVT-AV1 4.3.0 bibliot\u0113kas versija (Scalable Video Technology AV1), kur\u0101 iek\u013cautas kod\u0113t\u0101ja un atkod\u0113t\u0101ja realiz\u0101cijas AV1 video kod\u0113\u0161anas form\u0101tam, kuru \u0101truma pa\u0101trin\u0101\u0161anai izmantotas procesoros x86_64 un ARM pieejam\u0101s aparat\u016bras paraleliz\u0101cijas papla\u0161in\u0101jumi. Projektu izstr\u0101d\u0101 Intel sadarb\u012bb\u0101 ar Netflix, lai sasniegtu veiktsp\u0113ju, kas ir piem\u0113rota video p\u0101rciklo\u0161anai re\u0101laj\u0101 laik\u0101 un lieto\u0161anai piepras\u012bjuma video (VOD) pakalpojumos. \u0160obr\u012bd izstr\u0101de notiek Open Media (AOMedia) alianses pasp\u0101rn\u0113, kas uzrauga AV1 video kod\u0113\u0161anas form\u0101ta att\u012bst\u012bbu. Agr\u0101k projekts tika att\u012bst\u012bts OpenVisualCloud projekta ietvaros, kur\u0101 tiek izstr\u0101d\u0101ti ar\u012b SVT-HEVC un SVT-VP9 kod\u0113t\u0101ji. Kods izplat\u012bts saska\u0146\u0101 ar BSD licenci. <\/p>\n<p>SVT-AV1 var mont\u0113ts sist\u0113m\u0101m, kas balst\u012btas uz jebk\u0101d\u0101m arhitekt\u016br\u0101m, kur\u0101m ir C99 standarta atbalsto\u0161s kompilators, ta\u010du lab\u0101k\u0101 veiktsp\u0113ja tiek sasniegta x86_64 sist\u0113m\u0101s, kur\u0101s tiek izmantotas assemblera optimiz\u0101cijas, pamatojoties uz SIMD instrukcij\u0101m (v\u0113lams, lai CPU atbalst\u012btu AVX2, bet k\u0101 minimums pietiek ar SSE2). Atmi\u0146as pat\u0113ri\u0146\u0161 ir atkar\u012bgs no procesora kodoliem, kas iesaist\u012bti kod\u0113\u0161an\u0101, regul\u0113jami ar opciju &#171;&#8212;lp&#187;. T\u0101 k\u0101 AV1 algoritmiem ir sare\u017e\u0123\u012bt\u0101ki, \u0161\u012b form\u0101ta kod\u0113\u0161anai ir nepiecie\u0161ami iev\u0113rojami vair\u0101k resursu nek\u0101 citiem form\u0101tiem. <\/p>\n<p>Starp izmai\u0146\u0101m jaunaj\u0101 SVT-AV1 laidien\u0101:<\/p>\n<ul>\n<li class=\"l\"> Izdota optimiz\u0101cija kompromisiem kvalit\u0101te\/\u0101trums visiem presetu, kas \u013c\u0101va samazin\u0101t CPU slodzi par 5-8% saglab\u0101jot to pa\u0161u kvalit\u0101tes l\u012bmeni, k\u0101 ar\u012b samazin\u0101t kod\u0113\u0161anas laiku par 10-11% daudzpl\u016bsmu re\u017e\u012bm\u0101. Pa\u0101trin\u0101ti izpild\u012b\u0161anas oper\u0101cijas neefekt\u012bvu kod\u0113\u0161anas re\u017eimu izsl\u0113g\u0161anai (MD &#8212; Mode Decision), kust\u012bbas vektoru apr\u0113\u0137inus (MV &#8212; Motion Vector) un filtru parametrus kod\u0113\u0161anas proces\u0101, frekven\u010du koeficientu izm\u0113ra apr\u0113\u0137in\u0101\u0161ana, subpikse\u013cu novietojumu mekl\u0113\u0161ana, bloku kop\u0113\u0161ana un liekas detalliz\u0101cijas filtr\u0113\u0161ana, izmantojot RDOQ algoritmu (Rate-Distortion Optimized Quantization). Daudzpl\u016bsmu re\u017e\u012bm\u0101 resursu ekonomijai ekr\u0101na satura transl\u0101cijas noteik\u0161anas algoritms tagad tiek piem\u0113rots tikai I-r\u0101mjiem.\n<li class=\"l\"> Pievienots eksperiment\u0101lais karogs &#171;&#8212;fast-decode 3&#187; statisku att\u0113lu dekod\u0113\u0161anas pa\u0101trin\u0101\u0161anai.\n<li class=\"l\"> Pievienots karogs &#171;&#8212;fgs-table&#187;, kas aktiviz\u0113 atbalstu graudain\u012bbas tabul\u0101m (film grain) un API FILM_GRAIN_EVENT, lai defin\u0113tu graudain\u012bbas parametrus saist\u012bb\u0101 ar kadriem.\n<li class=\"l\"> Paaugstin\u0101ta bezzaud\u0113jumu kod\u0113\u0161anas \u0101trums.\n<li class=\"l\"> Zemas aiztures kod\u0113\u0161anas re\u017e\u012bm\u0101 ir ieviesta bloku (tile) apstr\u0101des paraleliz\u0101cija.\n<li class=\"l\"> Pievienota iesp\u0113ja &#171;max_allowed_consecutive_frames_skips&#187; regul\u0113\u0161anai kadru izlaidumu past\u0101v\u012bg\u0101 bitreita (CBR) re\u017e\u012bm\u0101.\n<li class=\"l\"> Pievienots parametrs &#171;max_hierarchical_levels&#187; buferu p\u016b\u013ca p\u0101rvald\u012bbai, kas tiek izmantots vid\u0113ja starpkadru grupu (mini-GOP &#8212; Group of Pictures) izm\u0113ra izmai\u0146u gad\u012bjum\u0101.\n<li class=\"l\"> Pievienota kompil\u0113\u0161anas opcija &#171;&#8212;mobile-build&#187; (CMake &#8212; MOBILE_BUILD) 8-bit bibliot\u0113kas izveidei RTC, VOD un AVIF. Pievienotas opcijas CONFIG_ENABLE_* neizmantoto kod\u0113\u0161anas instrumentu kompil\u0113\u0161anas atsl\u0113g\u0161anai.\n<li class=\"l\"> X86 sist\u0113m\u0101m ir ieviesti 8 bitu CDEF apstr\u0101d\u0101t\u0101ji, kas balst\u012bti uz AVX2 un SSE4.1 instrukcij\u0101m, k\u0101 ar\u012b 16 bitu tie\u0161\u0101s transform\u0101cijas, kas balst\u012btas uz AVX2 un AVX-512 instrukcij\u0101m. Pievienots optimiz\u0113ts kods starpkadru prognoz\u0113\u0161anai, kas balst\u012bts uz SSE4.1 instrukcij\u0101m, darbam ar palet\u0113m un transform\u0101cij\u0101m. Optimiz\u0113ti apstr\u0101d\u0101t\u0101ji kvant\u0113\u0161anai, bloku kop\u0113\u0161anai, izkrop\u013cojumu apr\u0113\u0137in\u0101\u0161anai un subpikselu at\u0161\u0137ir\u012bbu nov\u0113rt\u0113\u0161anai.\n<li class=\"l\"> ARM sist\u0113m\u0101m pievienoti Neona instrukcij\u0101m pa\u0101trin\u0101ti apstr\u0101d\u0101t\u0101ju varianti.\n<\/ul>\n<p>Avots: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66596\">opennet.lv<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 SVT-AV1 4.3.0 (Scalable Video Technology AV1) c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438 \u0434\u0435\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, \u0434\u043b\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u044b \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445 x86_64 \u0438 ARM \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0440\u0430\u0441\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0438\u0432\u0430\u043d\u0438\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439. \u041f\u0440\u043e\u0435\u043a\u0442 \u0441\u043e\u0437\u0434\u0430\u043d \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Intel \u0432 \u043f\u0430\u0440\u0442\u043d\u0451\u0440\u0441\u0442\u0432\u0435 \u0441 Netflix \u0441 \u0446\u0435\u043b\u044c\u044e \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u044f \u0443\u0440\u043e\u0432\u043d\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u043f\u0440\u0438\u0433\u043e\u0434\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e \u043d\u0430 \u043b\u0435\u0442\u0443 \u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-184097","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 SVT-AV1 4.3.0 (Scalable Video Technology AV1) c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438 \u0434\u0435\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, \u0434\u043b\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u044b \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Alexander Kovalev\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/lv\/blog\/news\/svt-av1-4-3-0-av1-video-encoder-released\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.5\" \/>\n\t\t<meta property=\"og:locale\" content=\"lv_LV\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a SVT-AV1 4.3.0, \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u0432\u0438\u0434\u0435\u043e AV1 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 SVT-AV1 4.3.0 (Scalable Video Technology AV1) c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438 \u0434\u0435\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, \u0434\u043b\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u044b \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/lv\/blog\/news\/svt-av1-4-3-0-av1-video-encoder-released\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-11-02T21:40:40+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-11-02T21:40:47+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47SVT-AV1 4.3.0 izlaide, AV1 video form\u0101ta kod\u0113t\u0101js | ProHoster","description":"Izlaista SVT-AV1 4.3.0 bibliot\u0113kas versija (Scalable Video Technology AV1) ar video AV1 kodera un dekodera \u012bstenojumiem, kuru pa\u0101trin\u0101\u0161anai izmantotas procesoru iez\u012bmes.","canonical_url":"https:\/\/prohoster.info\/lv\/blog\/news\/svt-av1-4-3-0-av1-video-encoder-released","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"lv_LV","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a SVT-AV1 4.3.0, \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u0432\u0438\u0434\u0435\u043e AV1 | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 SVT-AV1 4.3.0 (Scalable Video Technology AV1) c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438 \u0434\u0435\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, \u0434\u043b\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u044b \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445.","og:url":"https:\/\/prohoster.info\/lv\/blog\/news\/svt-av1-4-3-0-av1-video-encoder-released","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-11-02T21:40:40+00:00","article:modified_time":"2026-11-02T21:40:47+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts\/184097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/comments?post=184097"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts\/184097\/revisions"}],"predecessor-version":[{"id":184098,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts\/184097\/revisions\/184098"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/media?parent=184097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/categories?post=184097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/tags?post=184097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}