{"id":70844,"date":"2020-02-21T21:43:31","date_gmt":"2020-02-21T18:43:31","guid":{"rendered":"https:\/\/prohoster.info\/blog\/dostupen-multimedijnyj-server-pipewire-0-3-idushhij-na-smenu-pulseaudio"},"modified":"2020-03-03T16:11:01","modified_gmt":"2020-03-03T13:11:01","slug":"dostupen-multimedijnyj-server-pipewire-0-3-idushhij-na-smenu-pulseaudio","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/dostupen-multimedijnyj-server-pipewire-0-3-idushhij-na-smenu-pulseaudio","title":{"rendered":"Multimedia-servern PipeWire 0.3 finns tillg\u00e4nglig och ers\u00e4tter PulseAudio","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PipeWire\/pipewire\/releases\/tag\/0.3.0\">Publicerad<\/a><\/noindex> Betydande lansering av projektet <noindex><a rel=\"nofollow\" href=\"http:\/\/pipewire.org\/\">PipeWire 0.3.0<\/a><\/noindex>, som utvecklar en multimediabaserad server av n\u00e4sta generation, som ers\u00e4tter PulseAudio. PipeWire ut\u00f6kar PulseAudios m\u00f6jligheter med verktyg f\u00f6r video-streaming, ljudbearbetning med minimal latens och en ny s\u00e4kerhetsmodell f\u00f6r att hantera \u00e5tkomst p\u00e5 enhets- och stream-niv\u00e5. Projektet st\u00f6ds i GNOME och anv\u00e4nds redan aktivt i Fedora Linux f\u00f6r sk\u00e4rminspelning (screencasting) och delning av sk\u00e4rm i Wayland-baserade milj\u00f6er. Projektets kod \u00e4r skriven i C och <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PipeWire\/pipewire\">sprids<\/a><\/noindex> licensierad under LGPLv2.1.<\/p>\n<p>Huvud <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PipeWire\/pipewire\/blob\/master\/NEWS\">f\u00f6r<\/a><\/noindex> i PipeWire 0.3:<\/p>\n<ul>\n<li class=\"l\"> Schemat f\u00f6r bearbetning av str\u00f6mmar har helt omarbetats. F\u00f6r\u00e4ndringarna m\u00f6jliggjorde lanseringen av ett lager f\u00f6r att garantera kompatibilitet med ljudservern JACK, vars prestanda \u00e4r j\u00e4mf\u00f6rbar med JACK2.\n<li class=\"l\"> Har omarbetats och deklarerats stabilt <noindex><a rel=\"nofollow\" href=\"https:\/\/pipewire.github.io\/pipewire\/\">API<\/a><\/noindex>. Alla framtida f\u00f6r\u00e4ndringar i API:et planeras genomf\u00f6ras utan att bryta bak\u00e5tkompatibiliteten med befintliga applikationer.\n<li class=\"l\"> Inkluderar en sessionshanterare, som m\u00f6jligg\u00f6r hantering av grafen f\u00f6r multimediaknutar i PipeWire, samt att l\u00e4gga till nya str\u00f6mmar. Just nu erbjuder hanteraren bara ett grundl\u00e4ggande utbud av funktioner och kommer i framtiden att ut\u00f6kas eller ers\u00e4ttas med ett mer funktionellt och flexibelt alternativ, s\u00e5som <noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.freedesktop.org\/gkiagia\/wireplumber\">WirePlumber<\/a><\/noindex>.\n<li class=\"l\"> F\u00f6rb\u00e4ttrade bibliotek f\u00f6r kompatibilitet med PulseAudio, JACK och ALSA, vilket m\u00f6jligg\u00f6r anv\u00e4ndning av PipeWire med befintliga applikationer som \u00e4r avsedda f\u00f6r att fungera med andra ljudsystem. Biblioteket f\u00f6r ALSA \u00e4r n\u00e4stan klart, men biblioteken f\u00f6r JACK och PulseAudio kr\u00e4ver fortfarande arbete. PipeWire \u00e4r \u00e4nnu inte redo f\u00f6r en fullst\u00e4ndig ers\u00e4ttning av PulseAudio och JACK, men i kommande versioner kommer kompatibilitetsfr\u00e5gor att prioriteras.\n<li class=\"l\"> Inkluderar n\u00e5gra GStreamer-plugins f\u00f6r interaktion med PipeWire. Pluginet pipewiresrc, som anv\u00e4nder PipeWire som ljudk\u00e4lla, fungerar i de flesta situationer utan problem. Pluginet pipewiresink f\u00f6r ljudutmatning via PipeWire har fortfarande n\u00e5gra k\u00e4nda problem.\n<li class=\"l\"> St\u00f6det f\u00f6r PipeWire 0.3 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/release-team@gnome.org\/msg08297.html\">\u00e4r integrerat<\/a><\/noindex> i f\u00f6nsterhanteraren Mutter, som utvecklas av GNOME-projektet.\n<\/ul>\n<p>Vi p\u00e5minner om att PipeWire ut\u00f6kar till\u00e4mpningsomr\u00e5det f\u00f6r PulseAudio genom att bearbeta alla typer av multimediafl\u00f6den och kan blanda och omskicka fl\u00f6den med video. PipeWire erbjuder ocks\u00e5 m\u00f6jligheter att hantera videok\u00e4llor, s\u00e5som videoinspelningsenheter, webbkameror eller inneh\u00e5llet som visas av applikationer p\u00e5 sk\u00e4rmen. Till exempel ger PipeWire m\u00f6jlighet att organisera samarbete mellan flera applikationer med en webbkamera och l\u00f6ser problem med s\u00e4ker sk\u00e4rminspelning och fj\u00e4rr\u00e5tkomst till sk\u00e4rmen i en Wayland-milj\u00f6. <\/p>\n<p>PipeWire kan ocks\u00e5 fungera som en ljudserver som s\u00e4kerst\u00e4ller minimala f\u00f6rdr\u00f6jningar och erbjuder funktionalitet som kombinerar m\u00f6jligheterna <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PipeWire\/pipewire\/wiki\/PulseAudio\">PulseAudio<\/a><\/noindex> och <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PipeWire\/pipewire\/wiki\/JACK\">JACK<\/a><\/noindex>, inklusive att ta h\u00e4nsyn till behoven hos systemen f\u00f6r professionell ljudbehandling som PulseAudio inte kunde tillgodose. Dessutom erbjuder PipeWire en ut\u00f6kad s\u00e4kerhetsmodell som m\u00f6jligg\u00f6r \u00e5tkomsthantering p\u00e5 enhetsniv\u00e5 och specifika str\u00f6mmar, vilket f\u00f6renklar organiseringen av ljud- och videopassering fr\u00e5n isolerade beh\u00e5llare och inuti dem. Ett av de prim\u00e4ra m\u00e5len \u00e4r att st\u00f6dja sj\u00e4lvf\u00f6rs\u00f6rjande applikationer i Flatpak-format och fungera i en grafisk stack baserad p\u00e5 Wayland.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PipeWire\/pipewire\/wiki\">Huvud<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PipeWire\/pipewire\/blob\/master\/doc\/design.txt\">m\u00f6jligheten till<\/a><\/noindex>:\n<\/p>\n<ul>\n<li class=\"l\"> F\u00e5ngst och uppspelning av ljud och video med minimala f\u00f6rdr\u00f6jningar;\n<\/li>\n<li class=\"l\"> Verktyg f\u00f6r att bearbeta video och ljud i realtid;\n<\/li>\n<li class=\"l\"> Multiprocessorarkitektur som m\u00f6jligg\u00f6r delad \u00e5tkomst till inneh\u00e5ll mellan flera appar;\n<\/li>\n<li class=\"l\"> Bearbetningsmodellen baserat p\u00e5 en graf av multimediaknutar med st\u00f6d f\u00f6r \u00e5terkopplingscykler och atom\u00e4ra grafuppdateringar. Anslutning av bearbetare till\u00e5ts b\u00e5de internt p\u00e5 servern och via externa plugin:er;\n<\/li>\n<li class=\"l\"> Effektiv \u00e5tkomstgr\u00e4nssnitt f\u00f6r videostr\u00f6mmar genom \u00f6verf\u00f6ring av filbeskrivare och \u00e5tkomst till ljud genom delade ringbuffertar;\n<\/li>\n<li class=\"l\"> M\u00f6jlighet att bearbeta multimediadata fr\u00e5n alla processer;\n<\/li>\n<li class=\"l\"> Finns en plugin till GStreamer f\u00f6r att f\u00f6renkla integrationen med befintliga applikationer;\n<\/li>\n<li class=\"l\"> St\u00f6d f\u00f6r isolerade milj\u00f6er och Flatpak;\n<\/li>\n<li class=\"l\"> St\u00f6d f\u00f6r plugins i formatet <noindex><a rel=\"nofollow\" href=\"http:\/\/www.ladspa.org\/\">SPA<\/a><\/noindex> (Simple Plugin API) och m\u00f6jlighet att skapa plugins som fungerar i realtid;\n<\/li>\n<li class=\"l\"> Flexibelt system f\u00f6r samordning av anv\u00e4nda multimediaformat och allokering av buffertar;\n<\/li>\n<li class=\"l\"> Anv\u00e4ndning av en bakgrundsprocess f\u00f6r ruttning av ljud och video. M\u00f6jlighet att fungera som ljudserver, hubb f\u00f6r att tillhandah\u00e5lla video f\u00f6r applikationer (till exempel f\u00f6r gnome-shell screencast API) och server f\u00f6r att hantera \u00e5tkomst till h\u00e5rdvaruenheter f\u00f6r videoinspelning.\n<\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52406\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 PipeWire 0.3.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f, \u0438\u0434\u0443\u0449\u0438\u0439 \u043d\u0430 \u0437\u0430\u043c\u0435\u043d\u0443 PulseAudio. PipeWire \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 PulseAudio \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043f\u043e\u0442\u043e\u043a\u0430\u043c\u0438 \u0432\u0438\u0434\u0435\u043e, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0432\u0443\u043a\u0430 \u0441 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0430\u043c\u0438 \u0438 \u043d\u043e\u0432\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u044c\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u043e\u043c \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0438 \u043f\u043e\u0442\u043e\u043a\u043e\u0432. \u041f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432 GNOME \u0438 \u0443\u0436\u0435 \u0430\u043a\u0442\u0438\u0432\u043d\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 Fedora Linux [&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-70844","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\" 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