{"id":116811,"date":"2024-06-28T00:05:43","date_gmt":"2024-06-27T22:05:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-multimedijnogo-servera-pipewire-1-2-0"},"modified":"2024-06-28T00:05:43","modified_gmt":"2024-06-27T22:05:43","slug":"vypusk-multimedijnogo-servera-pipewire-1-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-multimedijnogo-servera-pipewire-1-2-0","title":{"rendered":"Uscita del server multimediale PipeWire 1.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dopo sette mesi di sviluppo, \u00e8 stata formata una nuova versione stabile del server multimediale PipeWire 1.2.0, che sostituisce il server audio PulseAudio e si distingue per l'aggiunta di strumenti per la gestione dei flussi video, la possibilit\u00e0 di elaborare l'audio con latenza minima e un nuovo modello di sicurezza per la gestione degli accessi a livello di singoli dispositivi e flussi. Il progetto \u00e8 supportato in GNOME e utilizzato per impostazione predefinita in Fedora Linux, RHEL, Ubuntu, Debian, SUSE\/openSUSE e molte altre distribuzioni Linux. Il codice del progetto \u00e8 scritto in linguaggio C e distribuito con licenza LGPLv2.1.<\/p>\n<p>PipeWire \u00e8 basato su un'architettura multi-processo che consente l'accesso condiviso ai contenuti di pi\u00f9 applicazioni.<br \/>\nOffre funzionalit\u00e0 per l'elaborazione di qualsiasi flusso multimediale, mescolamento e reindirizzamento di flussi video, nonch\u00e9 gestione delle sorgenti video, come dispositivi di acquisizione video, webcam o contenuti dello schermo visualizzati dalle applicazioni. Ad esempio, PipeWire consente a pi\u00f9 applicazioni di lavorare insieme a una webcam e risolve i problemi di acquisizione sicura dei contenuti dello schermo e di accesso remoto allo schermo in un ambiente Wayland. <\/p>\n<p>Quando utilizzato come server audio, PipeWire pu\u00f2 garantire latenze minime e fornire 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 ambire. Inoltre, PipeWire offre un modello di sicurezza avanzato che consente la gestione degli accessi a livello di singoli dispositivi e flussi specifici, semplificando l'organizzazione del passaggio dell'audio e del video da e verso contenitori isolati. Uno degli obiettivi principali \u00e8 supportare applicazioni autonome nel formato Flatpak e lavorare nel stack grafico basato su Wayland.<\/p>\n<p>Nella nuova versione:<\/p>\n<ul>\n<li class=\"l\"> Nel modello di elaborazione dei flussi di dati basato su un grafo di nodi, \u00e8 stata aggiunta la supporto per l'elaborazione asincrona, in cui il grafo dei nodi non si blocca in assenza di output da un nodo specifico, ma continua a operare utilizzando i dati da un nodo ottenuti nel ciclo precedente. In questo modo, a costo di un ritardo di un ciclo, si evita la situazione in cui un nodo blocca il lavoro degli altri nodi nel grafo.\n<li class=\"l\"> \u00c8 stata implementata la concezione di gruppi di nodi sincronizzati (node.sync-group), che consente di creare gruppi di nodi attivati simultaneamente dal pianificatore. Questa funzione pu\u00f2 essere utilizzata per pianificare l'attivazione dei nodi all'avvio del trasporto JACK.\n<li class=\"l\"> Migliorata la visualizzazione delle informazioni sugli errori nel file di configurazione, aggiunto un riferimento al punto in cui \u00e8 stato commesso l'errore nelle impostazioni (numero di riga e posizione nella riga).\n<li class=\"l\"> Aggiunta la supporto per la tecnologia Explicit Sync, che consente alle applicazioni di informare il gestore composito basato sul protocollo Wayland sulla disponibilit\u00e0 del frame per la visualizzazione, permettendo di ridurre le latenze e eliminare artefatti durante la visualizzazione grafica. In particolare, l'Explicit Sync risolve i problemi di output interrotto e di congelamenti su sistemi con GPU NVIDIA e con il supporto Wayland abilitato.\n<li class=\"l\"> \u00c8 stata implementata la possibilit\u00e0 di definire i metadati obbligatori durante la negoziazione dei parametri del buffer, che vengono utilizzati per garantire il supporto per \"Explicit Sync\".\n<li class=\"l\"> Aggiunta la supporto per la creazione e l'uso di pi\u00f9 loop di elaborazione dati (data-loop) nel client e <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-newyork\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2770\">server<\/a>. Nei loop di elaborazione dati sono state aggiunte funzionalit\u00e0 per l'associazione a specifici core CPU e per l'impostazione delle priorit\u00e0.\n<li class=\"l\"> Fornita la possibilit\u00e0 di modificare i livelli di debug, che controllano l'output delle informazioni nel log, senza riavviare, utilizzando i metadati.\n<li class=\"l\"> Rivista la logica di collegamento dei peer (nodi nel grafo dei flussi di dati che definiscono fonti o destinatari esterni di dati).\n<li class=\"l\"> Accettati patch per la gestione dei dispositivi contrassegnati come conflittuali tramite ALSA UCM (Use Case Manager).\n<li class=\"l\"> Aggiunto il modulo snapcast-discover per lo streaming di contenuti in <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"servers\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1960\">servers<\/a> SnapCast.\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61452\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0441\u0435\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0442\u043a\u0430 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 PipeWire 1.2.0, \u043f\u0440\u0438\u0448\u0435\u0434\u0448\u0435\u0433\u043e \u043d\u0430 \u0441\u043c\u0435\u043d\u0443 \u0437\u0432\u0443\u043a\u043e\u0432\u043e\u043c\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u0443 PulseAudio \u0438 \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u043e\u0442 \u043d\u0435\u0433\u043e \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \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 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116811","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=\"\u041f\u043e\u0441\u043b\u0435 \u0441\u0435\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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