{"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 all'elaborazione audio tramite PipeWire invece di PulseAudio","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nel repository in cui si sta sviluppando la versione di Ubuntu 22.10, \u00e8 avvenuto il passaggio all'utilizzo predefinito del server multimediale PipeWire per l'elaborazione audio. I pacchetti legati a PulseAudio sono stati rimossi dai set desktop e desktop-minimal, e per garantire la compatibilit\u00e0, invece delle librerie per interagire con PulseAudio, \u00e8 stato aggiunto un strato funzionante sopra PipeWire chiamato pipewire-pulse, che consente di mantenere l'operativit\u00e0 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 nel sistema coesistevano 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> \u2014 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 sar\u00e0 mantenuto solo PipeWire. Due anni fa, un cambiamento simile \u00e8 stato gi\u00e0 implementato nella distribuzione Fedora 34, il che ha permesso 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 mescolare e reindirizzare non solo flussi audio, ma anche flussi video, oltre a gestire le sorgenti video (dispositivi di acquisizione video, webcam o contenuti dello schermo restituiti dalle applicazioni). PipeWire pu\u00f2 anche agire come server audio, garantendo latenze minime e fornendo funzionalit\u00e0 che combinano le capacit\u00e0 di PulseAudio e JACK, tenendo conto delle esigenze dei sistemi di elaborazione audio professionale, a cui PulseAudio non poteva aspirare.      <\/p>\n<p>Caratteristiche 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 audio e video in tempo reale;  <\/li>\n<li class=\"l\"> Architettura multipla che consente l'accesso condiviso ai contenuti da parte di pi\u00f9 applicazioni;    <\/li>\n<li class=\"l\"> Modello di elaborazione basato su grafi di nodi multimediali con supporto per cicli di feedback e aggiornamenti atomici del grafo. \u00c8 consentito il collegamento di elaboratori sia all'interno del server che di plugin esterni;  <\/li>\n<li class=\"l\"> Interfaccia efficace per accedere ai flussi video tramite il passaggio di file descriptor e l'accesso all'audio attraverso buffer circolari condivisi;  <\/li>\n<li class=\"l\"> Capacit\u00e0 di elaborare dati multimediali da qualsiasi processo;  <\/li>\n<li class=\"l\"> Disponibilit\u00e0 di un plugin per GStreamer per semplificare l'integrazione con le applicazioni esistenti;  <\/li>\n<li class=\"l\"> Supporto per ambienti isolati e Flatpak;  <\/li>\n<li class=\"l\"> Supporto per plugin nel formato SPA (Simple Plugin API) e possibilit\u00e0 di creare plugin che funzionano in modalit\u00e0 tempo reale rigorosa;  <\/li>\n<li class=\"l\"> Sistema flessibile di gestione dei formati multimediali utilizzati e allocazione dei buffer;  <\/li>\n<li class=\"l\"> Uso di un unico processo in background per il routing di audio e video. Possibilit\u00e0 di funzionare come server audio, hub per la fornitura di video ad applicazioni (ad esempio, per l'API screencast di gnome-shell) e server per la gestione dell'accesso ai dispositivi hardware di acquisizione 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 5.0.1.1 - 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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