{"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\/it\/blog\/news\/ubuntu-22-10-perejdyot-na-obrabotku-zvuka-pri-pomoshhi-pipewire-vmesto-pulseaudio","title":{"rendered":"Ubuntu 22.10 passer\u00e0 a gestire l'audio tramite PipeWire invece di PulseAudio","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nel repository dedicato allo sviluppo della versione di Ubuntu 22.10, \u00e8 stata implementata di default l'adozione del server multimediale PipeWire per la gestione dell'audio. I pacchetti associati a PulseAudio sono stati rimossi dai set desktop e desktop-minimal, e per garantire la compatibilit\u00e0 \u00e8 stata aggiunta un'interfaccia pipewire-pulse che opera sopra PipeWire, consentendo il funzionamento di tutti i client esistenti di PulseAudio.       <\/p>\n<p>La decisione di passare completamente a PipeWire in Ubuntu 22.10 \u00e8 stata confermata da Heather Ellsworth di Canonical. Si segnala che in Ubuntu 22.02 erano utilizzati entrambi. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-los-angeles\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3816\">server<\/a> &#8212; PipeWire \u00e8 stato utilizzato per l'elaborazione video durante la registrazione di screencast e per fornire accesso allo schermo, ma l'audio continuava a essere elaborato utilizzando PulseAudio. In Ubuntu 22.10 rimarr\u00e0 solo PipeWire. Due anni fa, una modifica simile \u00e8 stata implementata nella distribuzione Fedora 34, consentendo di offrire funzionalit\u00e0 professionali di elaborazione audio, eliminare la frammentazione e unificare l'infrastruttura audio per diverse applicazioni.        <\/p>\n<p>PipeWire offre un modello di sicurezza avanzato che consente di gestire l'accesso a livello di singoli dispositivi e flussi specifici, semplificando l'organizzazione del passaggio di audio e video da e verso contenitori isolati. PipeWire pu\u00f2 gestire qualsiasi flusso multimediale ed \u00e8 in grado di miscelare e reindirizzare non solo flussi audio, ma anche flussi video e gestire fonti video (dispositivi di acquisizione video, webcam o contenuti dello schermo generati da applicazioni). PipeWire pu\u00f2 anche fungere da server audio, garantendo latenze minime e offrendo funzionalit\u00e0 che combinano le capacit\u00e0 di PulseAudio e JACK, tenendo conto anche delle esigenze dei sistemi di elaborazione audio professionale, cui PulseAudio non poteva ambire.      <\/p>\n<p>Funzionalit\u00e0 principali:  <\/p>\n<ul>\n<li class=\"l\"> Cattura e riproduzione di audio e video con latenze minime;  <\/li>\n<li class=\"l\"> Strumenti per l'elaborazione di video e audio in tempo reale;  <\/li>\n<li class=\"l\"> Architettura multithreading che consente l'accesso condiviso ai contenuti di pi\u00f9 applicazioni;    <\/li>\n<li class=\"l\"> Modello di elaborazione basato su grafo di nodi multimediali con supporto per feedback loop e aggiornamenti atomici del grafo. \u00c8 consentita la connessione di elaboratori sia all'interno del server che di plugin esterni;  <\/li>\n<li class=\"l\"> Interfaccia efficace per l'accesso ai flussi video tramite file descriptor e accesso audio tramite buffer circolari condivisi;  <\/li>\n<li class=\"l\"> Capacit\u00e0 di elaborare dati multimediali provenienti da qualsiasi processo;  <\/li>\n<li class=\"l\"> Presenza di un plugin per GStreamer per semplificare l'integrazione con applicazioni esistenti;  <\/li>\n<li class=\"l\"> Supporto per ambienti isolati e Flatpak;  <\/li>\n<li class=\"l\"> Supporto per plugin in formato SPA (Simple Plugin API) e possibilit\u00e0 di creare plugin funzionanti in tempo reale;  <\/li>\n<li class=\"l\"> Sistema flessibile per la negoziazione dei formati multimediali utilizzati e per l'allocazione dei buffer;  <\/li>\n<li class=\"l\"> Uso di un processo in background per il routing di audio e video. Possibilit\u00e0 di operare come server audio, hub per fornire video alle applicazioni (ad esempio, per l'API screencast di gnome-shell) e server per la gestione dell'accesso ai dispositivi hardware di cattura video.  <\/li>\n<p>Fonte: <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 5.0.0.1 - 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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