{"id":181819,"date":"2026-05-31T02:48:07","date_gmt":"2026-05-31T00:48:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/avm-1-0-0"},"modified":"2026-05-31T02:48:07","modified_gmt":"2026-05-31T00:48:08","slug":"avm-1-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/avm-1-0-0","title":{"rendered":"AVM 1.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/05\/eca437054988e84772aec0f34ffee525.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><noindex>      <noindex><\/p>\n<p>Aliance Open Media (<a rel=\"nofollow\" href=\"https:\/\/www.aomedia.org\">AOMedia<\/a>), dohl\u00ed\u017eej\u00edc\u00ed na v\u00fdvoj kodek\u016f pro videoform\u00e1t AV1\/AV2, form\u00e1t prostorov\u00e9ho zvuku IAMF a form\u00e1t obr\u00e1zk\u016f AVIF, <a rel=\"nofollow\" href=\"https:\/\/github.com\/AOMediaCodec\/avm\/releases\/tag\/v1.0.0\">vydal<\/a> uvoln\u011bn\u00ed projektu <a rel=\"nofollow\" href=\"https:\/\/github.com\/AOMediaCodec\/avm\">AVM (github.com)<\/a> 1.0.0, vyv\u00edjej\u00edc\u00ed ofici\u00e1ln\u00ed referen\u010dn\u00ed implementaci k coder a decoder videoform\u00e1tu AV2. AVM zahrnuje optimalizace pro procesory architektury ARM64, x86_64 a MIPS, proveden\u00e9 pomoc\u00ed roz\u0161\u00ed\u0159en\u00fdch instruk\u010dn\u00edch sad NEON, AVX2, SSE2\/3\/4, MSA a DSPr2. K\u00f3d AVM je naps\u00e1n v jazyce C a je distribuov\u00e1n pod licenc\u00ed BSD.<\/p>\n<p><\/noindex><\/noindex><br \/>\n<noindex><\/p>\n<p>Kodek <a rel=\"nofollow\" href=\"https:\/\/av2.aomedia.org\">AV2 (aomedia.org)<\/a> nevy\u017eaduje licen\u010dn\u00ed poplatky a vyv\u00edj\u00ed se jako n\u00e1stupce form\u00e1tu AV1. Vlastnosti kodeku AV2:<\/p>\n<p><\/noindex><\/p>\n<ul>\n<li>Optimalizace pro streamov\u00e1n\u00ed;<\/li>\n<li>Vylep\u0161en\u00e9 predikce mezi r\u00e1mcov\u00fdmi zm\u011bnami;<\/li>\n<li>Signifikantn\u00ed zlep\u0161en\u00ed oproti AV1 v kompresn\u00ed v\u00fdkonnosti;<\/li>\n<li>Roz\u0161\u00ed\u0159en\u00e1 podpora pro virtu\u00e1ln\u00ed a roz\u0161\u00ed\u0159enou realitu;<\/li>\n<li>Podpora \u0161ir\u0161\u00edho rozsahu vizu\u00e1ln\u00ed kvality;<\/li>\n<li>Mo\u017enost sou\u010dasn\u00e9ho doru\u010den\u00ed n\u011bkolika vide\u00ed v r\u00e1mci jednoho video streamu s podporou jejich odd\u011blen\u00e9ho zobrazen\u00ed na obrazovce;<\/li>\n<li>Dal\u0161\u00ed filtry pro potla\u010den\u00ed \u0161umu, sn\u00ed\u017een\u00ed artefakt\u016f z komprese a zachov\u00e1n\u00ed detail\u016f.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>P\u0159i testov\u00e1n\u00ed jedn\u00e9 z experiment\u00e1ln\u00edch verz\u00ed knihovny avm pou\u017eit\u00ed kodeku AV2 umo\u017enilo dos\u00e1hnout sn\u00ed\u017een\u00ed bitrate o 32,59 % oproti kodeku AV1 p\u0159i shodn\u00e9 \u00farovni kvality, p\u0159i pou\u017eit\u00ed metrik hodnocen\u00ed kvality VMAF (Video Multi-Method Assessment Fusion), vyvinut\u00fdch firmou Netflix. P\u0159i pou\u017eit\u00ed metriky <a rel=\"nofollow\" href=\"https:\/\/github.com\/ahmedabadr\/yuvpsnr\">PSRN-YUV<\/a> (Peak-Signal-to-Noise Ratio 14:1:1) se bitrate poda\u0159ilo sn\u00ed\u017eit o 28,63 %.<\/p>\n<p><\/noindex><\/p>\n<p>Stejn\u011b jako v kodeku AV1, i v AV2 je pou\u017eita hybridn\u00ed blokov\u011b orientovan\u00e1 struktura, ale na rozd\u00edl od AV1 podporuje v\u011bt\u0161\u00ed superbloky 256\u00d7256, pln\u011b rekurzivn\u00ed segmentaci a efektivn\u011bj\u0161\u00ed odd\u011blen\u00ed jasov\u00fdch a barevn\u00fdch parametr\u016f. V AV2 se pou\u017e\u00edv\u00e1 jednotn\u00fd exponenci\u00e1ln\u00ed kvantiz\u00e1tor, kter\u00fd pokr\u00fdv\u00e1 \u0161ir\u0161\u00ed rozsah jasnosti a poskytuje v\u011bt\u0161\u00ed p\u0159esnost kvantizace pro 8-, 10- a 12bitov\u00e9 video, a l\u00e9pe ovl\u00e1d\u00e1 n\u00edzk\u00e9 bitov\u00e9 rychlosti. Mo\u017enosti predikce mezikadro\u00adv\u00fdch zm\u011bn byly modernizov\u00e1ny pro zv\u00fd\u0161en\u00ed kvality modelov\u00e1n\u00ed zm\u011bny jasnosti a barevnosti, zohled\u0148uj\u00ed p\u0159i budov\u00e1n\u00ed modelu a\u017e 7 p\u0159edchoz\u00edch sn\u00edmk\u016f, podporuj\u00ed \u010dasovou interpolaci a l\u00e9pe zpracov\u00e1vaj\u00ed pohyb ve videu s vysok\u00fdm rozli\u0161en\u00edm nebo rychle se m\u011bn\u00edc\u00edm obsahem.<\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/multimedia\/18306559\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u043b\u044c\u044f\u043d\u0441 Open Media (AOMedia), \u043a\u0443\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV1\/AV2, \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043e\u0431\u044a\u0451\u043c\u043d\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u0430 IAMF \u0438 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439 AVIF, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 AVM (github.com) 1.0.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u0443\u044e \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \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 AV2. AVM \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u043d\u0430 \u0431\u0430\u0437\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b ARM64, x86_64 \u0438 MIPS, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0445 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 NEON, AVX2, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":181820,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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