{"id":93625,"date":"2020-09-08T07:42:06","date_gmt":"2020-09-08T05:42:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-multimedijnyj-frejmvork-gstreamer-1-18-0"},"modified":"2020-09-08T07:42:06","modified_gmt":"2020-09-08T05:42:06","slug":"dostupen-multimedijnyj-frejmvork-gstreamer-1-18-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/dostupen-multimedijnyj-frejmvork-gstreamer-1-18-0","title":{"rendered":"\u00c8 disponibile il framework multimediale GStreamer 1.18.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dopo un anno e mezzo di sviluppo <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freedesktop.org\/archives\/gstreamer-devel\/2020-September\/076095.html\">si \u00e8 tenuto<\/a><\/noindex> rilascio  <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/\">GStreamer 1.18<\/a><\/noindex>, un set di componenti multipiattaforma scritto in C per creare una vasta gamma di applicazioni multimediali, dai lettori multimediali e convertitori di file audio\/video, fino a applicazioni VoIP e sistemi di streaming. Il codice GStreamer \u00e8 distribuito con licenza LGPLv2.1. Aggiornamenti per i plugin gst-plugins-base 1.18, gst-plugins-good 1.18, gst-plugins-bad 1.18, gst-plugins-ugly 1.18, cos\u00ec come il wrapper gst-libav 1.18 e il server di streaming gst-rtsp-server 1.18 sono disponibili. A livello di API e ABI, la nuova versione \u00e8 retrocompatibile con la serie 1.0. Le build binarie verranno rilasciate a breve. <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/download\/\">preparati<\/a><\/noindex> per Android, iOS, macOS e Windows (su Linux si consiglia di utilizzare i pacchetti del distributore).<\/p>\n<p>Chiave <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/releases\/1.18\/\">miglioramenti<\/a><\/noindex> GStreamer 1.18:<\/p>\n<ul>\n<li class=\"l\"> Introdotto un nuovo API di alto livello <noindex><a rel=\"nofollow\" href=\"https:\/\/gstreamer.freedesktop.org\/documentation\/transcoder\/index.html\">GstTranscoder<\/a><\/noindex>, che pu\u00f2 essere utilizzato nelle applicazioni per ricodificare file da un formato all'altro.\n<li class=\"l\"> Migliorata la rappresentazione delle informazioni e il trattamento dei video con gamma dinamica estesa (HDR, High Dynamic Range).\n<li class=\"l\"> Aggiunta la possibilit\u00e0 di modificare la velocit\u00e0 di riproduzione in tempo reale.\n<li class=\"l\"> Aggiunta la supporto per il set di codec <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Active_Format_Description\">AFD<\/a><\/noindex> (Active Format Description) e Bar Data.\n<li class=\"l\"> Nel server e nel client RTSP \u00e8 stata aggiunta la supporto per i <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Trick_mode\">trick modes<\/a><\/noindex> (scorrimento veloce mantenendo l'immagine), descritti nelle specifiche ONVIF (Open Network Video Interface Forum).\n<li class=\"l\"> Sulla piattaforma Windows \u00e8 stato implementato l'accelerazione hardware per la decodifica video utilizzando l'API DXVA2 \/ Direct3D11 e un plugin per la cattura video e accelerazione della codifica tramite Microsoft Media Foundation. Aggiunto supporto per UWP (Universal Windows Platform).\n<li class=\"l\"> Aggiunto l'elemento qmlgloverlay, che consente di sovrapporre una scena Qt Quick sopra un flusso video in ingresso.\n<li class=\"l\"> Aggiunto l'elemento imagesequencesrc, che semplifica la creazione di un flusso video da una sequenza di immagini nei formati JPEG o PNG.\n<li class=\"l\"> Aggiunto l'elemento dashsink per generare contenuti DASH.\n<li class=\"l\"> Aggiunto l'elemento dvbsubenc per la codifica dei sottotitoli DVB.\n<li class=\"l\"> Consentita la possibilit\u00e0 di impacchettare flussi MPEG-TS con bitrate fisso e supporto SCTE-35, in una forma compatibile con le reti televisive via cavo.\n<li class=\"l\"> Implementato rtmp2 con una nuova realizzazione del client RTMP con elementi source e sink.\n<li class=\"l\"> Nel RTSP Server \u00e8 stato aggiunto supporto per gli header per il controllo della velocit\u00e0 e dello scaling.\n<li class=\"l\"> Aggiunto svthevcenc, un encoder video H.265 basato sull'encoder sviluppato da Intel. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OpenVisualCloud\/SVT-HEVC\">SVT-HEVC<\/a><\/noindex>.\n<li class=\"l\"> Aggiunto l'elemento vaapioverlay per il compositing utilizzando VA-API.\n<li class=\"l\"> Nel rtpmanager \u00e8 stata aggiunta la supporto all'estensione RTP TWCC (Google Transport-Wide Congestion Control).\n<li class=\"l\"> Negli elementi splitmuxsink e splitmuxsrc \u00e8 stata aggiunta la supporto ai flussi video ausiliari (AUX).\n<li class=\"l\"> Introdotti nuovi elementi per ricevere e generare flussi RTP, utilizzando l'URI 'rtp:\/\/'.\n<li class=\"l\"> Aggiunto il plugin AVTP (Audio Video Transport Protocol) per la trasmissione di flussi audio e video sensibili ai ritardi.\n<li class=\"l\"> Aggiunto il supporto per il profilo TR-06-1 (RIST - <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Reliable_Internet_Stream_Transport\">Reliable Internet Stream Transport<\/a><\/noindex>).\n<li class=\"l\"> Aggiunto l'elemento rpicamsrc per catturare video dalla telecamera per la scheda Raspberry Pi.\n<li class=\"l\"> Nei Servizi di Editing GStreamer \u00e8 stata aggiunta la supporto per timeline nidificate, impostazione della velocit\u00e0 in relazione a singoli clip e possibilit\u00e0 di utilizzare il formato OpenTimelineIO.\n<li class=\"l\"> Rimossi gli script di build basati su Autotools. Ora Meson \u00e8 lo strumento di build principale.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53672\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 GStreamer 1.18, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u043a\u0440\u043e\u0441\u0441\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430\u0431\u043e\u0440\u0430 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0448\u0438\u0440\u043e\u043a\u043e\u0433\u043e \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043e\u0442 \u043c\u0435\u0434\u0438\u0430\u043f\u043b\u0435\u0435\u0440\u043e\u0432 \u0438 \u043a\u043e\u043d\u0432\u0435\u0440\u0442\u0435\u0440\u043e\u0432 \u0430\u0443\u0434\u0438\u043e\/\u0432\u0438\u0434\u0435\u043e \u0444\u0430\u0439\u043b\u043e\u0432, \u0434\u043e VoIP-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0438 \u0441\u0438\u0441\u0442\u0435\u043c \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u043e\u0433\u043e \u0432\u0435\u0449\u0430\u043d\u0438\u044f. \u041a\u043e\u0434 GStreamer \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 LGPLv2.1. \u041e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043b\u0430\u0433\u0438\u043d\u043e\u0432 gst-plugins-base 1.18, gst-plugins-good 1.18, gst-plugins-bad 1.18, gst-plugins-ugly 1.18, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043e\u0431\u0432\u044f\u0437\u043a\u0430 gst-libav [&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-93625","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=\"\u041f\u043e\u0441\u043b\u0435 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