{"id":100926,"date":"2021-08-06T10:22:35","date_gmt":"2021-08-06T08:22:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-multimedijnogo-servera-pipewire-0-3-33"},"modified":"2021-08-06T10:22:35","modified_gmt":"2021-08-06T08:22:35","slug":"vypusk-multimedijnogo-servera-pipewire-0-3-33","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-multimedijnogo-servera-pipewire-0-3-33","title":{"rendered":"Rilascio del server multimediale PipeWire 0.3.33","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stato pubblicato il rilascio del progetto PipeWire 0.3.33, che sviluppa un server multimediale di nuova generazione, che sostituisce PulseAudio. PipeWire amplia le funzionalit\u00e0 di PulseAudio con strumenti per la gestione dei flussi video, la possibilit\u00e0 di elaborare l'audio con latenze minime e un nuovo modello di sicurezza per la gestione degli accessi a livello di singoli dispositivi e flussi. Il progetto \u00e8 supportato da GNOME ed \u00e8 gi\u00e0 utilizzato per impostazione predefinita in Fedora Linux. Il codice del progetto \u00e8 scritto in linguaggio C e distribuito con licenza LGPLv2.1.      <\/p>\n<p>Principali modifiche in PipeWire 0.3.33:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata implementata la possibilit\u00e0 di commutare automaticamente tra i profili Bluetooth HSP (modalit\u00e0 cuffie) e A2DP (uscita audio di alta qualit\u00e0).\n<li class=\"l\"> Nel profilo Pro Audio \u00e8 stata migliorata la supporto per le sorgenti virtuali e i dispositivi di uscita audio.\n<li class=\"l\"> Migliorato il coordinamento dei modificatori di formato durante la condivisione dei buffer di accesso diretto alla memoria (DMA-BUF) tra pi\u00f9 client.\n<li class=\"l\"> Nel campo dei nodi multimediali \u00e8 stato implementato il supporto per l'uso simultaneo di pi\u00f9 frequenze di campionamento (disattivato di default).\n<li class=\"l\"> Nello strato di compatibilit\u00e0 con PulseAudio \u00e8 stato implementato il modulo module-switch-on-connect per emulare il comportamento di PulseAudio durante la connessione di nuovi dispositivi.    <\/ul>\n<p>Ricordiamo che PipeWire amplia l'ambito di utilizzo di PulseAudio gestendo qualsiasi flusso multimediale e pu\u00f2 mixare e reindirizzare flussi video. PipeWire fornisce anche funzionalit\u00e0 per gestire le sorgenti video, come i dispositivi di acquisizione video, webcam o il contenuto dello schermo prodotto dalle applicazioni. Ad esempio, PipeWire consente di organizzare la collaborazione tra pi\u00f9 applicazioni con una webcam e risolve i problemi di acquisizione sicura del contenuto dello schermo e di accesso remoto allo schermo nell'ambiente Wayland.         <\/p>\n<p>PipeWire pu\u00f2 anche fungere da server audio <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=\"3736\">server<\/a>, offrendo latenze minime e una funzionalit\u00e0 che combina le capacit\u00e0 di PulseAudio e JACK, tenendo conto, tra l'altro, delle esigenze dei sistemi di elaborazione audio professionale, che PulseAudio non poteva soddisfare. Inoltre, 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 contenitori isolati e viceversa. Uno degli obiettivi principali \u00e8 il supporto per applicazioni autosufficienti nel formato Flatpak e il funzionamento nel stack grafico basato su Wayland.      <\/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<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55598\">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 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 PipeWire 0.3.33, \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 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \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-100926","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 PipeWire 0.3.33, \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 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