{"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\/cs\/blog\/news\/dostupen-ffmpeg-8-1-s-podderzhkoj-jpeg-xs-novymi-vozmozhnostyami-dlya-3d-zvuka-i-uskoreniya-cherez-vulkan","title":{"rendered":"K dispozici je FFmpeg 8.1 s podporou JPEG XS, nov\u00fdmi mo\u017enostmi pro 3D zvuk a zrychlen\u00edm p\u0159es Vulkan.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po sedmi m\u011bs\u00edc\u00edch v\u00fdvoje byl zve\u0159ejn\u011bn multimedi\u00e1ln\u00ed bal\u00ed\u010dek FFmpeg 8.1, kter\u00fd zahrnuje sadu aplikac\u00ed a sb\u00edrku knihoven pro pr\u00e1ci s r\u016fzn\u00fdmi multimedi\u00e1ln\u00edmi form\u00e1ty (z\u00e1znam, p\u0159evod a dek\u00f3dov\u00e1n\u00ed zvukov\u00fdch a video form\u00e1t\u016f). Bal\u00ed\u010dek je naps\u00e1n v jazyce C a je distribuov\u00e1n pod licencemi LGPL a GPL.            <\/p>\n<p>Mezi zm\u011bnami ve FFmpeg 8.1:   <\/p>\n<ul>\n<li class=\"l\"> Byly p\u0159id\u00e1ny parser, k\u00f3dova\u010d a dekod\u00e9r, stejn\u011b jako multiplexor a demultiplexor multimedi\u00e1ln\u00edch kontejner\u016f pro form\u00e1t obr\u00e1zk\u016f JPEG XS, kter\u00fd je prezentov\u00e1n jako lehk\u00fd syst\u00e9m k\u00f3dov\u00e1n\u00ed obr\u00e1zk\u016f poskytuj\u00edc\u00ed minim\u00e1ln\u00ed latenci p\u0159i k\u00f3dov\u00e1n\u00ed a dek\u00f3dov\u00e1n\u00ed a zam\u011b\u0159en\u00fd na optimalizaci p\u0159enosu sekvenc\u00ed obr\u00e1zk\u016f velmi vysok\u00e9 kvality (a\u017e 8K). JPEG XS umo\u017e\u0148uje v\u00fdznamn\u011b sn\u00ed\u017eit pot\u0159ebnou \u0161\u00ed\u0159ku p\u00e1sma bez viditeln\u00fdch ztr\u00e1t kvality pro lidsk\u00e9 oko. Implementace je zalo\u017eena na knihovn\u011b libsvtjpegxs.\n<li class=\"l\"> P\u0159id\u00e1n experiment\u00e1ln\u00ed dekod\u00e9r pro form\u00e1t k\u00f3dov\u00e1n\u00ed zvuku xHE-AAC (High-Efficiency Advanced Audio Coding) se sch\u00e9matem prostorov\u00e9ho zvuku Mps212 (MPEG Surround s distribuc\u00ed kan\u00e1l\u016f 212). xHE-AAC se pou\u017e\u00edv\u00e1 p\u0159i streamov\u00e1n\u00ed na Netflixu a je zapojen do technologi\u00ed digit\u00e1ln\u00edho r\u00e1dia Digital Radio Mondiale. Tento kodek se vyzna\u010duje podporou \u0161irok\u00e9ho rozsahu bitov\u00e9 rychlosti (od 12 do 300 kbit\/s), vysok\u00fdm stupn\u011bm komprese, prost\u0159edky pro reprodukci s konstantn\u00ed hlasitost\u00ed, zaji\u0161t\u011bn\u00edm vysok\u00e9 \u010distoty p\u0159i v\u0161ech \u00farovn\u00edch hlasitosti, dodate\u010dn\u00fdmi profily \u0159\u00edzen\u00ed dynamick\u00e9ho rozsahu p\u0159i poslechu v hlu\u010dn\u00fdch prost\u0159ed\u00edch a p\u0159id\u00e1n\u00edm metadat umo\u017e\u0148uj\u00edc\u00edch obnovu ztr\u00e1t na p\u0159ij\u00edmac\u00ed stran\u011b.\n<li class=\"l\"> Na z\u00e1klad\u011b knihovny libmpeghdec byl realizov\u00e1n dekod\u00e9r pro interaktivn\u00ed a prostorov\u00fd zvuk ve form\u00e1tu NGA (Next Generation Audio), definovan\u00e9m ve standardu pro k\u00f3dov\u00e1n\u00ed zvuku a videa MPEG-H.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora pro balen\u00ed a rozbalov\u00e1n\u00ed prostorov\u00e9ho zvuku ve form\u00e1tu IAMF (Immersive Audio Model and Formats) s prostorov\u00fdm zvukem v re\u017eimu Ambisonics, kter\u00fd zohled\u0148uje \u0161\u00ed\u0159en\u00ed zvuku nejen v horizont\u00e1ln\u00ed rovin\u011b, ale i ve vertik\u00e1ln\u00ed (pro ur\u010den\u00ed, zda je zdroj zvuku nad nebo pod).\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora anal\u00fdzy a p\u0159esm\u011brov\u00e1n\u00ed metadat ve form\u00e1tu LCEVC (Low Complexity Enhancement Video Coding), kter\u00fd implementuje dal\u0161\u00ed vrstvu s metadaty nad standardn\u00edmi kodeky pro zlep\u0161en\u00ed kvality videa. Byla p\u0159id\u00e1na podpora exportu vrstev pro zlep\u0161en\u00ed kvality LCEVC do multimedi\u00e1ln\u00edch kontejner\u016f MPEG-TS (MPEG Transport Stream).\n<li class=\"l\"> Na z\u00e1klad\u011b grafick\u00e9ho API Vulkan byly implementov\u00e1ny enkod\u00e9r a dekod\u00e9r pro kodek Apple ProRes, stejn\u011b jako dekod\u00e9r pro ve filmov\u00e9 produkci pou\u017e\u00edvan\u00fd form\u00e1t pro odd\u011blen\u00fd p\u0159enos sn\u00edmk\u016f DPX (Digital Picture Exchange). Implementace zalo\u017een\u00e9 na API Vulkan vynikaj\u00ed v\u00fdrazn\u00fdm zv\u00fd\u0161en\u00edm v\u00fdkonu d\u00edky hardwarov\u00e9mu zrychlen\u00ed, paralelizaci operac\u00ed a vyu\u017eit\u00ed v\u00fdpo\u010detn\u00edch shader\u016f. Byla provedena optimalizace implementac\u00ed kodek\u016f na z\u00e1klad\u011b AI Vulkan. Pro urychlen\u00ed inicializace kodek\u016f byla implementov\u00e1na mo\u017enost pou\u017eit\u00ed ji\u017e zkompilovan\u00fdch shader\u016f GLSL, bez nutnosti jejich kompilace b\u011bhem provozu.\n<li class=\"l\"> V knihovn\u011b swscale (Software Scaler), pou\u017e\u00edvan\u00e9 v FFmpeg pro softwarov\u00e9 \u0161k\u00e1lov\u00e1n\u00ed a p\u0159evod barev, byl implementov\u00e1n backend, kter\u00fd pro urychlen\u00ed prov\u00e1d\u011bn\u00ed operac\u00ed vyu\u017e\u00edv\u00e1 grafick\u00e9 API Vulkan.\n<li class=\"l\"> Byly p\u0159id\u00e1ny varianty enkod\u00e9r\u016f form\u00e1t\u016f H.264 a AV1, kter\u00e9 vyu\u017e\u00edvaj\u00ed API D3D12 (Direct3D 12) pro hardwarov\u00e9 zrychlen\u00ed k\u00f3dov\u00e1n\u00ed.\n<li class=\"l\"> Byla p\u0159id\u00e1na varianta enkod\u00e9ru form\u00e1tu H.264\/HEVC, kter\u00e1 vyu\u017e\u00edv\u00e1 v \u010dipech Rockchip dostupn\u00e9 prost\u0159edky pro hardwarov\u00e9 k\u00f3dov\u00e1n\u00ed videa.\n<li class=\"l\"> Byly p\u0159id\u00e1ny demuxery multimedi\u00e1ln\u00edch kontejner\u016f ve form\u00e1tech HXVS a HXVT, pou\u017e\u00edvan\u00fdch v IP kamer\u00e1ch.\n<li class=\"l\"> Byl implementov\u00e1n parser pro metadata ve form\u00e1tu EXIF a p\u0159\u00edslu\u0161n\u00e9 API pro anal\u00fdzu metadat.\n<li class=\"l\"> Do utilit\u011b ffprobe byla p\u0159id\u00e1na mo\u017enost &#171;-codec&#187; (&#171;-c&#187;) pro v\u00fdb\u011br konkr\u00e9tn\u00ed implementace dekod\u00e9ru.\n<li class=\"l\"> Do utility ffmpeg byla p\u0159id\u00e1na podpora mozaikov\u00e9ho re\u017eimu (tiled) ukl\u00e1d\u00e1n\u00ed obraz\u016f ve form\u00e1tu HEIF (kdy\u017e je velmi velk\u00fd obr\u00e1zek ulo\u017een jako soubor mal\u00fdch obr\u00e1zk\u016f).\n<li class=\"l\"> Byl odstran\u011bn star\u00fd zpracovatel protokolu HLS.\n<li class=\"l\"> Nov\u00e9 filtry:\n<ul>\n<li class=\"l\"> drawvg pro v\u00fdstup vektorov\u00e9 grafiky nad video sn\u00edmky s vyu\u017eit\u00edm knihovny libcairo.\n<li class=\"l\"> vpp_amf pro zm\u011bnu velikosti videa a p\u0159evod barevn\u00e9ho prostoru, pou\u017e\u00edvaj\u00edc\u00ed AMD Advanced Media Framework pro hardwarov\u00e9 zrychlen\u00ed.\n<li class=\"l\"> vf_scale_d3d12, vf_deinterlace_d3d12, vf_mestimate_d3d12 pro \u0161k\u00e1lov\u00e1n\u00ed, deinterlacing a anal\u00fdzu pohybu ve videu s vyu\u017eit\u00edm hardwarov\u00e9ho zrychlen\u00ed prost\u0159ednictv\u00edm grafick\u00e9ho API Direct3D 12.\n<li class=\"l\">  gfxcapture pro zachycen\u00ed obsahu oken a obrazovky na platform\u011b Windows pomoc\u00ed API Windows.Graphics.Capture.\n<li class=\"l\"> P\u0159id\u00e1n bitstream filtr pro metadata LCEVC.      <\/ul>\n<\/ul>\n<p>Zdroj: <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 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property=\"article:published_time\" content=\"2026-03-17T09:11:56+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-03-17T09:11:56+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47FFmpeg 8.1 je nyn\u00ed k dispozici s podporou JPEG XS, nov\u00fdmi funkcemi pro 3D zvuk a zrychlen\u00edm prost\u0159ednictv\u00edm Vulkanu | ProHoster","description":"Po sedmi m\u011bs\u00edc\u00edch v\u00fdvoje byl publikov\u00e1n multimedi\u00e1ln\u00ed bal\u00ed\u010dek FFmpeg 8.1, kter\u00fd zahrnuje sadu aplikac\u00ed a kolekci knihoven pro pr\u00e1ci s r\u016fzn\u00fdmi multimedi\u00e1ln\u00edmi form\u00e1ty (z\u00e1znam, konverze a dek\u00f3dov\u00e1n\u00ed).","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/dostupen-ffmpeg-8-1-s-podderzhkoj-jpeg-xs-novymi-vozmozhnostyami-dlya-3d-zvuka-i-uskoreniya-cherez-vulkan","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d FFmpeg 8.1 \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 JPEG XS, \u043d\u043e\u0432\u044b\u043c\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u0434\u043b\u044f 3D-\u0437\u0432\u0443\u043a\u0430 \u0438 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0447\u0435\u0440\u0435\u0437 Vulkan | ProHoster","og:description":"\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 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