{"id":35840,"date":"2019-10-31T22:06:53","date_gmt":"2019-10-31T19:06:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-kodirovshhika-video-svt-av1-0-6-razvivaemogo-kompaniej-intel\/"},"modified":"2019-10-31T22:06:53","modified_gmt":"2019-10-31T19:06:53","slug":"vypusk-kodirovshhika-video-svt-av1-0-6-razvivaemogo-kompaniej-intel","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-kodirovshhika-video-svt-av1-0-6-razvivaemogo-kompaniej-intel","title":{"rendered":"Vyd\u00e1n\u00ed kod\u00e9ru videa SVT-AV1 0.6, vyv\u00edjen\u00e9ho spole\u010dnost\u00ed Intel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Intel publikovala<\/a><\/noindex> vyd\u00e1n\u00ed knihovny SVT-AV1 0.6<\/a><\/noindex> (Scalable Video Technology AV1), kter\u00e1 poskytuje alternativn\u00ed enkod\u00e9r a dekod\u00e9r pro form\u00e1t k\u00f3dov\u00e1n\u00ed videa AV1, vyu\u017e\u00edvaj\u00edc\u00ed mo\u017enosti hardwarov\u00e9ho paralelizace v\u00fdpo\u010dt\u016f dostupn\u00e9 v modern\u00edch CPU Intel. Hlavn\u00edm c\u00edlem SVT-AV1 je dos\u00e1hnout \u00farovn\u011b v\u00fdkonu vhodn\u00e9ho pro online p\u0159ek\u00f3dov\u00e1n\u00ed videa a pou\u017eit\u00ed v slu\u017eb\u00e1ch, kter\u00e9 nab\u00edzej\u00ed video na vy\u017e\u00e1d\u00e1n\u00ed (VOD). K\u00f3d se vyv\u00edj\u00ed v r\u00e1mci projektu OpenVisualCloud, kter\u00fd rovn\u011b\u017e vyv\u00edj\u00ed enkod\u00e9ry. SVT-HEVC<\/a><\/noindex> a SVT-VP9<\/a><\/noindex>, a distribuov\u00e1no<\/a><\/noindex> na z\u00e1klad\u011b licence BSD. <\/p>\n

Pro pou\u017eit\u00ed SVT-AV1 je nutn\u00fd procesor Intel Core p\u00e1t\u00e9 generace (Intel Xeon E5-v4 a nov\u011bj\u0161\u00ed CPU). Pro k\u00f3dov\u00e1n\u00ed 10bitov\u00fdch AV1 stream\u016f s kvalitou 4K je pot\u0159eba 48 GB RAM, 1080p \u2014 16 GB, 720p \u2014 8 GB, 480p \u2014 4 GB. Vzhledem k slo\u017eitosti algoritm\u016f pou\u017e\u00edvan\u00fdch v AV1 vy\u017eaduje k\u00f3dov\u00e1n\u00ed tohoto form\u00e1tu z\u00e1sadn\u011b v\u00edce zdroj\u016f ne\u017e jin\u00e9 form\u00e1ty, co\u017e znemo\u017e\u0148uje pou\u017e\u00edvat standardn\u00ed k\u00f3dova\u010d AV1 pro re\u00e1ln\u00e9 \u010dasov\u00e9 p\u0159ek\u00f3dov\u00e1n\u00ed. Nap\u0159\u00edklad standardn\u00ed k\u00f3dova\u010d projektu AV1
\nvy\u017eaduje<\/a><\/noindex> vy\u017eaduje 5721, 5869 a 658kr\u00e1t v\u00edce v\u00fdpo\u010dt\u016f ve srovn\u00e1n\u00ed s k\u00f3dova\u010di x264 (profil \u201emain\u201c), x264 (profil \u201ehigh\u201c) a libvpx-vp9. <\/p>\n

Mezi zm\u011bnami v nov\u00e9m vyd\u00e1n\u00ed SVT-AV1 se uv\u00e1d\u00ed p\u0159id\u00e1n\u00ed po\u010d\u00e1te\u010dn\u00ed implementace dekod\u00e9ru (d\u0159\u00edve byla podporov\u00e1na pouze k\u00f3dov\u00e1n\u00ed) a podpora statick\u00e9ho propojen\u00ed knihovny. Tak\u00e9 byly realizov\u00e1ny nov\u00e9 optimalizace SIMD, podpora decimace<\/a><\/noindex> s pou\u017eit\u00edm 2\u00d72 filtr\u016f, podpora segmentace, mo\u017enost adaptivn\u00edho QP \u0161k\u00e1lov\u00e1n\u00ed<\/a><\/noindex> a adaptivn\u00ed transformace blok\u016f INTRA.<\/p>\n

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

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Intel \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 SVT-AV1 0.6 (Scalable Video Technology AV1), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0435 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV1, \u0432 \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 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 CPU Intel \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \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. \u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439 SVT-AV1 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u0435 \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 \u0441\u0435\u0440\u0432\u0438\u0441\u0430\u0445, \u043e\u0442\u0434\u0430\u044e\u0449\u0438\u0445 \u0432\u0438\u0434\u0435\u043e \u043f\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0443 (VOD). […]<\/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-35840","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\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\udd47Vyd\u00e1n\u00ed k\u00f3dova\u010de videa SVT-AV1 0.6, vyv\u00edjen\u00e9ho spole\u010dnost\u00ed Intel | ProHoster","description":"Spole\u010dnost Intel zve\u0159ejnila vyd\u00e1n\u00ed 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