{"id":110810,"date":"2023-10-13T09:10:52","date_gmt":"2023-10-13T07:10:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vyshel-pipewire-0-3-81"},"modified":"2023-10-13T09:10:52","modified_gmt":"2023-10-13T07:10:52","slug":"vyshel-pipewire-0-3-81","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/vyshel-pipewire-0-3-81","title":{"rendered":"\u00c8 stato rilasciato PipeWire 0.3.81","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>PipeWire &mdash; \u00e8 un server multimediale progettato per l'output e l'elaborazione di flussi audio e video in tempo reale. I client sono compatibili con le API PulseAudio, JACK e ALSA.<\/p>\n<p>La nuova versione \u00e8 il primo RC per la versione 1.0.<\/p>\n<h1>Modifiche principali<\/h1>\n<ul>\n<li>Il supporto per jackdbus \u00e8 abilitato di default.<\/li>\n<li>Il scheduling basato su IRQ in ALSA \u00e8 stato migliorato ed \u00e8 attivato di default per il profilo Pro Audio. Inoltre, ora i pcm sono collegati tra loro per ridurre i ritardi, in linea con il comportamento di JACK.<\/li>\n<li>\u00c8 stata implementata la compatibilit\u00e0 sia con le versioni pi\u00f9 vecchie che con quelle pi\u00f9 recenti di webrtc-audio-processing per facilitare la transizione.<\/li>\n<li>Ora la modifica forzata del campionamento da parte dei nodi o dei metadati comporta anche la sospensione e la ripresa forzata del grafo, proprio come nel caso di una modifica del bitrate, per garantire che tutti i nodi si adattino al nuovo campionamento. Questo \u00e8 importante per i nodi Pro Audio che necessitano di riconfigurare l'hardware per il nuovo periodo nel scheduling basato su IRQ.<\/li>\n<li>\u00c8 stato corretto un errore nel parsing delle espressioni regolari.<\/li>\n<li>Numerosi piccoli aggiornamenti e miglioramenti.<\/li>\n<\/ul>\n<h1>Altre modifiche<\/h1>\n<h2>PipeWire<\/h2>\n<ul>\n<li>Ora il flusso ha l'opzione EARLY_PROCESS, che pu\u00f2 essere utilizzata per implementare un proprio riempimento del buffer.<\/li>\n<li>Corretta l'errore nella determinazione della posizione del nodo del driver.<\/li>\n<li>La rimozione dei link ora ricalcola correttamente il grafico.<\/li>\n<li>Corretto il confronto dei bit rate per determinare il bit rate migliore nel grafico.<\/li>\n<li>Ora viene utilizzata la funzione malloc_trim() per liberare memoria, se disponibile.<\/li>\n<\/ul>\n<h2>Utilit\u00e0<\/h2>\n<ul>\n<li>pw-cat ora supporta i formati DFF e DSD.<\/li>\n<\/ul>\n<h2>Moduli<\/h2>\n<ul>\n<li>Sono stati fatti alcuni miglioramenti in RAOP. Ora ogni due secondi vengono interrogati i dispositivi per mantenerli in stato di funzionamento.<\/li>\n<li>Corretto un errore nella catena di filtri, che non applicava il preamplificatore quando veniva miscelata solo una sorgente.<\/li>\n<li>Ora la catena di filtri pu\u00f2 trasmettere il volume del flusso agli elementi di controllo nel grafico.<\/li>\n<li>Migliorata la regolazione del volume in RAOP.<\/li>\n<\/ul>\n<h2>PulseAudio<\/h2>\n<ul>\n<li>Alcune correzioni nella gestione del pending_stream.<\/li>\n<li>Corretto un errore nel codice di invio degli eventi, che impediva l'invio dell'evento di cambiamento quando il nodo era collegato.<\/li>\n<li>Abbassato il priorit\u00e0 dei client in tempo reale di pulseaudio.<\/li>\n<\/ul>\n<h2>SPA<\/h2>\n<ul>\n<li>Ora il driver ALSA sincronizza tutti i follower direttamente dall'evento di risveglio. Questo consente di ottenere un migliore allineamento dei bit rate.<\/li>\n<li>Aggiunta la supporto per GNU\/Hurd!<\/li>\n<\/ul>\n<h2>Bluetooth<\/h2>\n<ul>\n<li>Migliorato il funzionamento dei codec utilizzando PipeWire come Audio Gateway.<\/li>\n<li>Adattati i dispositivi BAP al nuovo API Bluez.<\/li>\n<\/ul>\n<h2>JACK<\/h2>\n<ul>\n<li>Se la libreria jack \u00e8 nel percorso delle librerie predefinite, evita di utilizzare LD_LIBRARY_PATH, poich\u00e9 ci\u00f2 potrebbe causare problemi.<\/li>\n<li>Implementata la gestione del reset del ritardo ai valori predefiniti sulla porta.<\/li>\n<li>Ora jack_property riesce sempre a modificare i metadata, poich\u00e9 attende i bypass prima dell'uscita.<\/li>\n<\/ul>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/multimedia\/17377814\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>PipeWire &mdash; \u044d\u0442\u043e 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\u0432\u0435\u0440\u0441\u0438\u0438 1.0. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 jackdbus \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e. \u041f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 IRQ \u0432 ALSA \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u043e \u0438 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0434\u043b\u044f \u043f\u0440\u043e\u0444\u0438\u043b\u044f [&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-110810","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"PipeWire \u2014 \u044d\u0442\u043e \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0432\u044b\u0432\u043e\u0434\u0430 \u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0432\u0443\u043a\u043e\u0432\u044b\u0445 \u0438 \u0432\u0438\u0434\u0435\u043e 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