{"id":104110,"date":"2022-05-21T15:37:02","date_gmt":"2022-05-21T13:37:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/ubuntu-22-10-perejdyot-na-obrabotku-zvuka-pri-pomoshhi-pipewire-vmesto-pulseaudio"},"modified":"2022-05-21T15:37:02","modified_gmt":"2022-05-21T13:37:02","slug":"ubuntu-22-10-perejdyot-na-obrabotku-zvuka-pri-pomoshhi-pipewire-vmesto-pulseaudio","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/ubuntu-22-10-perejdyot-na-obrabotku-zvuka-pri-pomoshhi-pipewire-vmesto-pulseaudio","title":{"rendered":"Ubuntu 22.10 prejde na spracovanie zvuku pomocou PipeWire namiesto PulseAudio","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V repozit\u00e1ri, v ktorom sa vyv\u00edja verzia Ubuntu 22.10, do\u0161lo k prechodu na predvolen\u00e9 pou\u017e\u00edvanie multimedi\u00e1lneho servera PipeWire na spracovanie zvuku. Bal\u00edky s\u00favisiace s PulseAudio boli odstr\u00e1nen\u00e9 z bal\u00edkov desktop a desktop-minimal, a na zaistenie kompatibility bola pridan\u00e1 nadstavba pipewire-pulse, ktor\u00e1 umo\u017e\u0148uje, aby v\u0161etci existuj\u00faci klienti PulseAudio na\u010falej fungovali.       <\/p>\n<p>Rie\u0161enie na \u00fapln\u00fd prechod na PipeWire v Ubuntu 22.10 potvrdila Heather Ellsworth zo spolo\u010dnosti Canonical. Uv\u00e1dza sa, \u017ee v Ubuntu 22.02 sa v distrib\u00facii pou\u017e\u00edvaj\u00fa obe. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/dts-los-angeles\/\"   title=\"servera\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3816\">servera<\/a> \u2014 PipeWire sa pou\u017e\u00edval na spracovanie videa pri nahr\u00e1van\u00ed screencastov a zabezpe\u010dovan\u00ed pr\u00edstupu na obrazovku, ale zvuk sa st\u00e1le spracov\u00e1val pomocou PulseAudio. V Ubuntu 22.10 zostane len PipeWire. Pred dvoma rokmi bolo podobn\u00e9 zmenen\u00e9 zaveden\u00e9 v distrib\u00facii Fedora 34, \u010do umo\u017enilo poskytn\u00fa\u0165 mo\u017enosti profesion\u00e1lneho spracovania zvuku, zbavi\u0165 sa fragment\u00e1cie a unifikova\u0165 zvukov\u00fa infra\u0161trukt\u00faru pre r\u00f4zne aplik\u00e1cie.        <\/p>\n<p>PipeWire pon\u00faka roz\u0161\u00edren\u00fd model zabezpe\u010denia, ktor\u00fd umo\u017e\u0148uje spravova\u0165 pr\u00edstup na \u00farovni jednotliv\u00fdch zariaden\u00ed a konkr\u00e9tnych streamov, a u\u013eah\u010duje organiz\u00e1ciu prenosu zvuku a videa z izolovan\u00fdch kontajnerov a do nich. PipeWire dok\u00e1\u017ee spracov\u00e1va\u0165 ak\u00e9ko\u013evek multimedi\u00e1lne toky a je schopn\u00fd mixova\u0165 a presmerov\u00e1va\u0165 nielen zvukov\u00e9 toky, ale aj video toky, ako aj spravova\u0165 zdroje videa (zariadenia na zachyt\u00e1vanie videa, webkamery alebo obsah zobrazen\u00fd aplik\u00e1ciami na obrazovke). PipeWire m\u00f4\u017ee tie\u017e fungova\u0165 ako zvukov\u00fd server, ktor\u00fd zabezpe\u010duje minim\u00e1lne oneskorenia a poskytuje funkcie kombinuj\u00face mo\u017enosti PulseAudio a JACK, pri\u010dom berie do \u00favahy potreby syst\u00e9mov profesion\u00e1lneho spracovania zvuku, na ktor\u00e9 PulseAudio nemohol pom\u00fd\u0161\u013ea\u0165.      <\/p>\n<p>Hlavn\u00e9 mo\u017enosti:  <\/p>\n<ul>\n<li class=\"l\"> Zachyt\u00e1vanie a prehr\u00e1vanie zvuku a videa s minim\u00e1lnymi oneskoreniami;  <\/li>\n<li class=\"l\"> N\u00e1stroje na spracovanie videa a zvuku v re\u00e1lnom \u010dase;  <\/li>\n<li class=\"l\"> Viacprocesorov\u00e1 architekt\u00fara, ktor\u00e1 umo\u017e\u0148uje spolo\u010dn\u00fd pr\u00edstup k obsahu viacer\u00fdch aplik\u00e1ci\u00ed;    <\/li>\n<li class=\"l\"> Model spracovania zalo\u017een\u00fd na grafoch medi\u00e1lnych uzlov s podporou slu\u010diek sp\u00e4tnej v\u00e4zby a at\u00f3mov\u00fdch aktualiz\u00e1ci\u00ed grafu. Umo\u017e\u0148uje pripojenie spracovate\u013eov ako v r\u00e1mci servera, tak aj extern\u00fdch pluginov;  <\/li>\n<li class=\"l\"> Efekt\u00edvne rozhranie na pr\u00edstup k video streamom cez prenos s\u00faborov\u00fdch deskriptorov a pr\u00edstup k zvuku cez zdie\u013ean\u00e9 kruhov\u00e9 buffery (shared ringbuffer);  <\/li>\n<li class=\"l\"> Mo\u017enos\u0165 spracovania medi\u00e1lnych d\u00e1t z ak\u00fdchko\u013evek procesov;  <\/li>\n<li class=\"l\"> Existencia pluginu pre GStreamer na zjednodu\u0161enie integr\u00e1cie s existuj\u00facimi aplik\u00e1ciami;  <\/li>\n<li class=\"l\"> Podpora izolovan\u00fdch prostred\u00ed a Flatpak;  <\/li>\n<li class=\"l\"> Podpora pluginov vo form\u00e1te SPA (Simple Plugin API) a mo\u017enos\u0165 vytv\u00e1ra\u0165 pluginy pracuj\u00face v re\u017eime tvrd\u00e9ho re\u00e1lneho \u010dasu;  <\/li>\n<li class=\"l\"> Flexibiln\u00fd syst\u00e9m koordin\u00e1cie pou\u017eit\u00fdch medi\u00e1lnych form\u00e1tov a pride\u013eovania bufferov;  <\/li>\n<li class=\"l\"> Pou\u017eitie jedn\u00e9ho pozadia procesu na smerovanie zvuku a videa. Mo\u017enos\u0165 pr\u00e1ce vo forme zvukov\u00e9ho servera, hubu na poskytovanie videa aplik\u00e1ci\u00e1m (napr. pre gnome-shell screencast API) a servera na spr\u00e1vu pr\u00edstupu k hardv\u00e9rov\u00fdm zariadeniam zachyt\u00e1vaj\u00facim video.  <\/li>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57229\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 Ubuntu 22.10, \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0451\u043d \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 PipeWire \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0432\u0443\u043a\u0430. \u041f\u0430\u043a\u0435\u0442\u044b, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 PulseAudio \u0443\u0434\u0430\u043b\u0435\u043d\u044b \u0438\u0437 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 desktop \u0438 desktop-minimal, \u0430 \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u043c\u0435\u0441\u0442\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a \u0434\u043b\u044f \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441 PulseAudio \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0430\u044f \u043f\u043e\u0432\u0435\u0440\u0445 PipeWire \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0430 pipewire-pulse, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u0432\u0441\u0435\u0445 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432 PulseAudio. [&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-104110","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 Ubuntu 22.10, \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0451\u043d \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e 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