{"id":164958,"date":"2026-03-17T11:11:56","date_gmt":"2026-03-17T09:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-ffmpeg-8-1-s-podderzhkoj-jpeg-xs-novymi-vozmozhnostyami-dlya-3d-zvuka-i-uskoreniya-cherez-vulkan"},"modified":"2026-03-17T11:11:56","modified_gmt":"2026-03-17T09:11:56","slug":"dostupen-ffmpeg-8-1-s-podderzhkoj-jpeg-xs-novymi-vozmozhnostyami-dlya-3d-zvuka-i-uskoreniya-cherez-vulkan","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/dostupen-ffmpeg-8-1-s-podderzhkoj-jpeg-xs-novymi-vozmozhnostyami-dlya-3d-zvuka-i-uskoreniya-cherez-vulkan","title":{"rendered":"El\u00e9rhet\u0151 a FFmpeg 8.1, amely t\u00e1mogatja a JPEG XS-t, \u00faj 3D-hang funkci\u00f3kat \u00e9s gyors\u00edt\u00e1st a Vulkanon kereszt\u00fcl.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>H\u00e9t h\u00f3napos fejleszt\u00e9s ut\u00e1n megjelent az FFmpeg 8.1 multim\u00e9dia csomag, amely alkalmaz\u00e1sok \u00e9s k\u00f6nyvt\u00e1rak gy\u0171jtem\u00e9ny\u00e9t tartalmazza k\u00fcl\u00f6nb\u00f6z\u0151 multim\u00e9dia form\u00e1tumokkal (hang- \u00e9s vide\u00f3form\u00e1tumok r\u00f6gz\u00edt\u00e9se, \u00e1talak\u00edt\u00e1sa \u00e9s dek\u00f3dol\u00e1sa) kapcsolatos m\u0171veletekhez. A csomag C nyelven k\u00e9sz\u00fclt, \u00e9s LGPL \u00e9s GPL licenc alatt terjesztik.            <\/p>\n<p>Az FFmpeg 8.1 friss\u00edt\u00e9seiben tal\u00e1lhat\u00f3 v\u00e1ltoz\u00e1sok:   <\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1ad\u00e1sra ker\u00fclt egy elemz\u0151, k\u00f3dol\u00f3 \u00e9s dek\u00f3dol\u00f3, valamint multiplexer \u00e9s demultiplexer multim\u00e9dia kont\u00e9nerekhez a JPEG XS k\u00e9pform\u00e1tumban, amely k\u00f6nny\u0171 k\u00e9pk\u00f3dol\u00e1si rendszert k\u00e9pvisel, minimaliz\u00e1lva a k\u00f3dol\u00e1si \u00e9s dek\u00f3dol\u00e1si k\u00e9sleltet\u00e9st, \u00e9s a nagyon magas k\u00e9pmin\u0151s\u00e9g\u0171 (ak\u00e1r 8K) k\u00e9psorozatok \u00e1tvitel\u00e9nek optimaliz\u00e1l\u00e1s\u00e1ra \u00f6sszpontos\u00edt. A JPEG XS jelent\u0151sen cs\u00f6kkenti a sz\u00fcks\u00e9ges s\u00e1vsz\u00e9less\u00e9get, an\u00e9lk\u00fcl, hogy az emberi szem sz\u00e1m\u00e1ra \u00e9szlelhet\u0151 min\u0151s\u00e9groml\u00e1st okozna. A megval\u00f3s\u00edt\u00e1s a libsvtjpegxs k\u00f6nyvt\u00e1rra \u00e9p\u00fcl.\n<li class=\"l\"> Hozz\u00e1adtunk egy k\u00eds\u00e9rleti dek\u00f3dol\u00f3t az xHE-AAC (Magas Hat\u00e9konys\u00e1g\u00fa Fejlett Hangk\u00f3dol\u00e1s) hangform\u00e1tumban, Mps212 (MPEG Surround 212 csatorna elrendez\u00e9s) t\u00e9rbeli hangz\u00e1s s\u00e9ma szerint. Az xHE-AAC a Netflix streamingj\u00e9ben haszn\u00e1latos, \u00e9s r\u00e9sze a Digital Radio Mondiale digit\u00e1lis r\u00e1di\u00f3z\u00e1s technol\u00f3gi\u00e1inak. A kodek megjegyezhet\u0151 a sz\u00e9les bitr\u00e1tatartom\u00e1nya miatt (12 \u00e9s 300 kbit\/s k\u00f6z\u00f6tt), nagyfok\u00fa t\u00f6m\u00f6r\u00edt\u00e9s\u00e9vel, folyamatos hanger\u0151 biztos\u00edt\u00e1s\u00e1val, kiemelked\u0151 \u00e9less\u00e9g\u00e9vel k\u00fcl\u00f6nb\u00f6z\u0151 hanger\u0151szinteken, valamint a zajos k\u00f6rnyezetekhez val\u00f3 alkalmazkod\u00e1s \u00e9rdek\u00e9ben l\u00e9trehozott dinamikatartom\u00e1ny-kezel\u00e9si profilokkal \u00e9s a fogad\u00e1si oldal vesztes\u00e9geinek helyre\u00e1ll\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 metaadatokkal.\n<li class=\"l\"> A libmpeghdec k\u00f6nyvt\u00e1r alapj\u00e1n val\u00f3s\u00edtottuk meg az NGA (K\u00f6vetkez\u0151 Gener\u00e1ci\u00f3s Hang) interakt\u00edv \u00e9s t\u00e9rbeli hangform\u00e1tum dek\u00f3dol\u00f3j\u00e1t, amelyet a MPEG-H hang- \u00e9s videok\u00f3dol\u00e1si szabv\u00e1ny hat\u00e1roz meg.\n<li class=\"l\"> Hozz\u00e1adtuk a t\u00e9rbeli hang IAMF (Immersive Audio Model and Formats) form\u00e1tumban t\u00f6rt\u00e9n\u0151 csomagol\u00e1s\u00e1nak \u00e9s kib\u0151v\u00edt\u00e9s\u00e9nek t\u00e1mogat\u00e1s\u00e1t Ambisonics m\u00f3dban, amely figyelembe veszi a hang terjed\u00e9s\u00e9t nemcsak v\u00edzszintes s\u00edkon, hanem f\u00fcgg\u0151legesen is (a hangforr\u00e1s fel\u00fclr\u0151l vagy alulr\u00f3l val\u00f3 meghat\u00e1roz\u00e1s\u00e1hoz).\n<li class=\"l\"> Hozz\u00e1adva a LCEVC (Low Complexity Enhancement Video Coding) metadatanak elemz\u00e9s\u00e9re \u00e9s \u00e1tir\u00e1ny\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 t\u00e1mogat\u00e1s, amely egy tov\u00e1bbi r\u00e9teget val\u00f3s\u00edt meg a metadatokkal a standard kodekek f\u00f6l\u00f6tt a vide\u00f3 min\u0151s\u00e9g\u00e9nek jav\u00edt\u00e1sa \u00e9rdek\u00e9ben. A LCEVC min\u0151s\u00e9gjav\u00edt\u00f3 r\u00e9tegeinek MPEG-TS (MPEG Transport Stream) multim\u00e9di\u00e1s kont\u00e9nerekbe t\u00f6rt\u00e9n\u0151 export\u00e1l\u00e1s\u00e1nak t\u00e1mogat\u00e1sa is hozz\u00e1adva.\n<li class=\"l\"> A Vulkan grafikus API-ra alapozva megval\u00f3sult az Apple ProRes kodek k\u00f3dol\u00f3ja \u00e9s dek\u00f3dol\u00f3ja, valamint a filmes el\u0151\u00e1ll\u00edt\u00e1shoz haszn\u00e1lt DPX (Digital Picture Exchange) k\u00e9pk\u00fcl\u00f6nbs\u00e9g \u00e1tvitel\u00e9nek dek\u00f3dol\u00f3ja. A Vulkan API-ra alapozott megval\u00f3s\u00edt\u00e1sok jelent\u0151s teljes\u00edtm\u00e9nyn\u00f6veked\u00e9st mutatnak fel a hardveres gyors\u00edt\u00e1s, a m\u0171veletek p\u00e1rhuzamos\u00edt\u00e1sa \u00e9s a sz\u00e1m\u00edt\u00e1si \u00e1rny\u00e9kok haszn\u00e1lat\u00e1nak k\u00f6sz\u00f6nhet\u0151en. Az AI Vulkan-alap\u00fa kodek megval\u00f3s\u00edt\u00e1sok optimaliz\u00e1l\u00e1sa t\u00f6rt\u00e9nt. A kodekek inicializ\u00e1l\u00e1s\u00e1nak felgyors\u00edt\u00e1sa \u00e9rdek\u00e9ben lehet\u0151s\u00e9g biztos\u00edtott m\u00e1r leford\u00edtott GLSL \u00e1rny\u00e9kok haszn\u00e1lat\u00e1ra, an\u00e9lk\u00fcl, hogy azokat fut\u00e1sid\u0151 alatt kellene leford\u00edtani.\n<li class=\"l\"> A swscale (Software Scaler) k\u00f6nyvt\u00e1rban, amelyet a FFmpeg a programozott \u00e1tm\u00e9retez\u00e9sre \u00e9s a sz\u00edn\u00e1talak\u00edt\u00e1sra haszn\u00e1l, egy backend ker\u00fclt megval\u00f3s\u00edt\u00e1sra, amely a Vulkan grafikus API-t haszn\u00e1lja a m\u0171veletek v\u00e9grehajt\u00e1s\u00e1nak felgyors\u00edt\u00e1s\u00e1ra.\n<li class=\"l\"> Hozz\u00e1ad\u00f3dott a D3D12 (Direct3D 12) API-t haszn\u00e1l\u00f3 H.264 \u00e9s AV1 form\u00e1tumok k\u00f3dol\u00f3inak \u00faj verzi\u00f3i a k\u00f3dol\u00e1s hardveres gyors\u00edt\u00e1s\u00e1hoz.\n<li class=\"l\"> Hozz\u00e1adva egy H.264\/HEVC form\u00e1tum\u00fa k\u00f3dol\u00f3 v\u00e1ltozata, amely a Rockchip chipek \u00e1ltal biztos\u00edtott hardveres vide\u00f3k\u00f3dol\u00e1si eszk\u00f6z\u00f6ket haszn\u00e1lja.\n<li class=\"l\"> Hozz\u00e1adva a HXVS \u00e9s HXVT form\u00e1tum\u00fa multim\u00e9di\u00e1s kont\u00e9nerek leszed\u0151i (demuxerek), amelyeket IP-kamer\u00e1kban haszn\u00e1lnak.\n<li class=\"l\"> Megval\u00f3s\u00edtva az EXIF form\u00e1tum\u00fa metadat\u00e1k elemz\u00e9s\u00e9re szolg\u00e1l\u00f3 parser \u00e9s a kapcsol\u00f3d\u00f3 API.\n<li class=\"l\"> A ffprobe seg\u00e9dprogramhoz hozz\u00e1adva a &#171;-codec&#187; (&#171;-c&#187;) opci\u00f3, amely lehet\u0151v\u00e9 teszi egy adott dek\u00f3der megval\u00f3s\u00edt\u00e1s\u00e1nak kiv\u00e1laszt\u00e1s\u00e1t.\n<li class=\"l\"> Az ffmpeg seg\u00e9deszk\u00f6zh\u00f6z hozz\u00e1adva a HEIF form\u00e1tumban t\u00e1rolt k\u00e9pek mozaikos (tiled) m\u00f3dj\u00e1nak t\u00e1mogat\u00e1sa (amikor egy nagyon nagy k\u00e9pet kisebb k\u00e9pek k\u00e9szlet\u00e9ben t\u00e1rolnak).\n<li class=\"l\"> Elt\u00e1vol\u00edtva a r\u00e9gi HLS protokoll kezel\u0151.\n<li class=\"l\"> \u00daj sz\u0171r\u0151k:\n<ul>\n<li class=\"l\"> A videokock\u00e1k f\u00f6l\u00f6tti vektoros grafika megjelen\u00edt\u00e9s\u00e9hez haszn\u00e1lt drawvg, libcairo k\u00f6nyvt\u00e1rral.\n<li class=\"l\"> A vpp_amf a vide\u00f3 m\u00e9ret\u00e9nek v\u00e1ltoztat\u00e1s\u00e1hoz \u00e9s a sz\u00ednt\u00e9r \u00e1talak\u00edt\u00e1s\u00e1hoz haszn\u00e1lva az AMD Advanced Media Framework-ot a hardveres gyors\u00edt\u00e1shoz.\n<li class=\"l\"> vf_scale_d3d12, vf_deinterlace_d3d12, vf_mestimate_d3d12 a vide\u00f3k sk\u00e1l\u00e1z\u00e1s\u00e1ra, deinterlace-el\u00e9s\u00e9re \u00e9s mozg\u00e1sanal\u00edzis\u00e9re, a Direct3D 12 grafikus API hardveres gyors\u00edt\u00e1s\u00e1nak felhaszn\u00e1l\u00e1s\u00e1val.\n<li class=\"l\">  gfxcapture az ablakok \u00e9s k\u00e9perny\u0151 tartalm\u00e1nak r\u00f6gz\u00edt\u00e9s\u00e9re Windows platformon a Windows.Graphics.Capture API seg\u00edts\u00e9g\u00e9vel.\n<li class=\"l\"> Bitstream sz\u0171r\u0151 ker\u00fclt hozz\u00e1ad\u00e1sra az LCEVC metadatokhoz.      <\/ul>\n<\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65004\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0441\u0435\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430-\u043f\u0430\u043a\u0435\u0442 FFmpeg 8.1, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u0439 \u043d\u0430\u0431\u043e\u0440 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a \u0434\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u043d\u0430\u0434 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430-\u0444\u043e\u0440\u043c\u0430\u0442\u0430\u043c\u0438 (\u0437\u0430\u043f\u0438\u0441\u044c, \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u0432\u0443\u043a\u043e\u0432\u044b\u0445 \u0438 \u0432\u0438\u0434\u0435\u043e\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432). \u041f\u0430\u043a\u0435\u0442 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \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\u044f\u043c\u0438 LGPL \u0438 GPL. \u0421\u0440\u0435\u0434\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 FFmpeg 8.1: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043f\u0430\u0440\u0441\u0435\u0440, \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0443\u043f\u0430\u043a\u043e\u0432\u0449\u0438\u043a \u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u0449\u0438\u043a \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-164958","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0441\u0435\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430-\u043f\u0430\u043a\u0435\u0442 FFmpeg 8.1, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u0439 \u043d\u0430\u0431\u043e\u0440 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0438 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