{"id":149261,"date":"2025-11-22T17:11:55","date_gmt":"2025-11-22T15:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-gotov-vernut-v-chrome-podderzhku-formata-jpeg-xl"},"modified":"2025-11-22T17:11:55","modified_gmt":"2025-11-22T15:11:55","slug":"google-gotov-vernut-v-chrome-podderzhku-formata-jpeg-xl","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/google-gotov-vernut-v-chrome-podderzhku-formata-jpeg-xl","title":{"rendered":"Google je p\u0159ipraven vr\u00e1tit do Chromu podporu form\u00e1tu JPEG-XL.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Rick Byers, jeden z technick\u00fdch vedouc\u00edch t\u00fdmu vyv\u00edjej\u00edc\u00edho Google Chrome, prohl\u00e1sil, \u017ee je p\u0159ipraven zahrnout do enginu Chromium vysoce v\u00fdkonn\u00fd a bezpe\u010dn\u00fd pam\u011b\u0165ov\u00fd dekod\u00e9r pro form\u00e1t obr\u00e1zk\u016f JPEG-XL. Jako hlavn\u00ed krit\u00e9rium pro aktivaci dekod\u00e9ru JPEG-XL v\u00fdchoz\u00edmi nastaven\u00edmi byla uvedena ochota k dlouhodob\u00e9 podpo\u0159e.    <\/p>\n<p>Je uvedeno, \u017ee rozhodnut\u00ed bylo p\u0159ijato v souvislosti se zm\u011bnou situace po posledn\u00edm hodnocen\u00ed stavu zav\u00e1d\u011bn\u00ed JPEG XL. V uplynul\u00fdch dvou letech byla podpora JPEG XL p\u0159id\u00e1na do prohl\u00ed\u017ee\u010de Safari, v\u00fdvoj\u00e1\u0159i Firefoxu vyj\u00e1d\u0159ili z\u00e1m\u011br podporovat JPEG XL, a bylo rozhodnuto zahrnout podporu JPEG XL do specifikace PDF. Krom\u011b toho Google vzal v \u00favahu p\u0159\u00e1n\u00ed vyj\u00e1d\u0159en\u00e1 v\u00fdvoj\u00e1\u0159i po odstran\u011bn\u00ed JPEG XL z Chromu, ke kter\u00e9mu do\u0161lo v roce 2022. Odstran\u011bn\u00ed bylo provedeno pod z\u00e1minkou n\u00edzk\u00e9ho z\u00e1jmu ze strany ekosyst\u00e9mu, nedostatku dostate\u010dn\u00fdch v\u00fdhod a touhy sn\u00ed\u017eit z\u00e1t\u011b\u017e p\u0159i podpo\u0159e.        <\/p>\n<p>Hned po ozn\u00e1men\u00ed Ricka publikoval dal\u0161\u00ed v\u00fdvoj\u00e1\u0159 zpr\u00e1vu o stavu navrhovan\u00e9 implementace JPEG-XL pro Chrome. Bylo uvedeno, \u017ee jako z\u00e1klad byl pou\u017eit d\u0159\u00edve vyv\u00edjen\u00fd k\u00f3d pro podporu JPEG-XL v Chromiu, kter\u00fd byl aktualizov\u00e1n a synchronizov\u00e1n s referen\u010dn\u00ed implementac\u00ed libjxl. Mezi zm\u011bnami je podpora animace (ostatn\u00ed prohl\u00ed\u017ee\u010de zat\u00edm animaci nepodporuj\u00ed).    <center>  <div class=\"youtube-placeholder\" data-id=\"zVkX4bP6qSo\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/zVkX4bP6qSo\/hqdefault.jpg\" alt=\"P\u0159ehr\u00e1t video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div>    <\/center>    <\/p>\n<p>Form\u00e1t JPEG XL byl standardizov\u00e1n v roce 2021 (ISO\/IEC 18181) jako univerz\u00e1ln\u00ed n\u00e1hrada za JPEG, kter\u00e1 podporuje kompresi st\u00e1vaj\u00edc\u00edch JPEG soubor\u016f bez ztr\u00e1ty kvality, \u0161irok\u00fd dynamick\u00fd rozsah, vysok\u00e9 rozli\u0161en\u00ed a v\u00edcestrojov\u00e9 obr\u00e1zky. Mezi v\u00fdhody JPEG XL pat\u0159\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> Sn\u00ed\u017een\u00ed velikosti a\u017e o 60 % ve srovn\u00e1n\u00ed s JPEG obr\u00e1zky shodn\u00e9 kvality;  <\/li>\n<li class=\"l\"> Podpora HDR, animace, pr\u016fhlednosti, re\u017eimu progresivn\u00edho na\u010d\u00edt\u00e1n\u00ed;  <\/li>\n<li class=\"l\"> Plynul\u00e9 zhor\u0161ov\u00e1n\u00ed kvality p\u0159i sni\u017eov\u00e1n\u00ed bitov\u00e9ho toku;  <\/li>\n<li class=\"l\"> Bezztr\u00e1tov\u00e1 komprese JPEG (sn\u00ed\u017een\u00ed velikosti JPEG o a\u017e 21 % s mo\u017enost\u00ed obnoven\u00ed p\u016fvodn\u00edho stavu);  <\/li>\n<li class=\"l\"> Podpora a\u017e 4099 kan\u00e1l\u016f;  <\/li>\n<li class=\"l\"> \u0160irok\u00fd rozsah barevn\u00fdch hloubek;  <\/li>\n<li class=\"l\"> \u017d\u00e1dn\u00e1 nutnost platit licen\u010dn\u00ed poplatky a existence otev\u0159en\u00e9 referen\u010dn\u00ed implementace pod licenc\u00ed BSD.   <\/li>\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64306\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0438\u043a \u0411\u0430\u0439\u0435\u0440\u0441 (Rick Byers), \u043e\u0434\u0438\u043d \u0438\u0437 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u044b, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0435\u0439\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 Google Chrome, \u0437\u0430\u044f\u0432\u0438\u043b \u043e \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u0438 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 \u0434\u0432\u0438\u0436\u043e\u043a Chromium \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439 JPEG-XL. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0433\u043e \u043a\u0440\u0438\u0442\u0435\u0440\u0438\u044f \u0434\u043b\u044f \u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 JPEG-XL \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u044c \u043a \u0435\u0433\u043e \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u043c\u0443 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044e. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u043d\u044f\u0442\u043e \u0432 \u0441\u0432\u044f\u0437\u0438 \u0441 [&hellip;]<\/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-149261","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=\"\u0420\u0438\u043a \u0411\u0430\u0439\u0435\u0440\u0441 (Rick Byers), \u043e\u0434\u0438\u043d \u0438\u0437 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 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