{"id":103188,"date":"2022-02-04T09:36:49","date_gmt":"2022-02-04T07:36:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-multimedijnyj-frejmvork-gstreamer-1-20-0"},"modified":"2022-02-04T09:36:49","modified_gmt":"2022-02-04T07:36:49","slug":"dostupen-multimedijnyj-frejmvork-gstreamer-1-20-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/dostupen-multimedijnyj-frejmvork-gstreamer-1-20-0","title":{"rendered":"Multimedia frameworket GStreamer 1.20.0 er tilg\u00e6ngeligt.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Efter halvandet \u00e5rs udvikling er GStreamer 1.20 blevet frigivet. Dette platformuafh\u00e6ngige s\u00e6t af komponenter, skrevet i C, er designet til at skabe et bredt spektrum af multimedieapplikationer, fra medieafspillere og konvertere af audio\/video filer til VoIP-applikationer og streaming-systemer. Koden til GStreamer distribueres under LGPLv2.1-licensen. Samtidig er der tilg\u00e6ngelige opdateringer til plugins som gst-plugins-base 1.20, gst-plugins-good 1.20, gst-plugins-bad 1.20, gst-plugins-ugly 1.20, samt bindingen gst-libav 1.20 og streaming-serveren gst-rtsp-server 20. P\u00e5 API- og ABI-niveau er den nye udgivelse bagudkompatibel med branch 1.0. Bin\u00e6re samlinger vil snart v\u00e6re tilg\u00e6ngelige for Android, iOS, macOS og Windows (p\u00e5 Linux anbefales det at bruge pakker fra distributionen).      <\/p>\n<p>N\u00f8gleforbedringer i GStreamer 1.20:  <\/p>\n<ul>\n<li class=\"l\"> Udviklingen p\u00e5 GitLab er blevet overf\u00f8rt til brug af et enkelt repository, der er f\u00e6lles for alle moduler.\n<li class=\"l\"> Der er tilf\u00f8jet et nyt h\u00f8jniveau bibliotek, GstPlay, som afl\u00f8ser API'et GstPlayer og tilbyder lignende funktioner til afspilning af indhold, men benytter en meddelelsesbus til at notificere applikationer i stedet for GObject-signaler.\n<li class=\"l\"> Der er tilf\u00f8jet st\u00f8tte til dekodning af gennemsigtighedsinformation i WebM-formatet, hvilket muligg\u00f8r afspilning af VP8\/VP9-videoer med gennemsigtige omr\u00e5der.\n<li class=\"l\"> Der er tilf\u00f8jet st\u00f8tte til at justere yderligere egenskaber specifikke for applikationer i kodningsprofilerne.\n<li class=\"l\"> I Compositor er der implementeret underst\u00f8ttelse af konvertering og blanding af video i multitr\u00e5dede tilstande.\n<li class=\"l\"> I klasserne depayloader og payloader er underst\u00f8ttelsen af yderligere RTP-headere (RTP Header Extensions) ensartetgjort.\n<li class=\"l\"> Der er tilf\u00f8jet st\u00f8tte til SMPTE 2022-1 2-D fejlkorrektion (Forward Error Correction).\n<li class=\"l\"> I encodebin og transcodebin for VP8, VP9 og H.265 codecs er der implementeret en smart kodningsmetode (\"smart encoding\"), hvor rekodning kun udf\u00f8res, n\u00e5r det er n\u00f8dvendigt, mens der i \u00f8vrigt blot videref\u00f8res den eksisterende str\u00f8m.\n<li class=\"l\"> Sammenh\u00e6ngen mellem pluginet souphttpsrc og libsoup2 samt libsoup3 er blevet sikret.\n<li class=\"l\"> Muligheden for at dekode inddata p\u00e5 sub-frame niveau er blevet tilf\u00f8jet, hvilket g\u00f8r det muligt at starte dekodningen uden at vente p\u00e5 den komplette ramme. Denne optimering underst\u00f8ttes i dekodere som OpenJPEG JPEG 2000, FFmpeg H.264 og OpenMAX H.264\/H.265.\n<li class=\"l\"> N\u00e5r video dekodes til RTP-, WebRTC- og RTSP-protokoller, h\u00e5ndteres pakktab, dataskader og foresp\u00f8rgsler om n\u00f8glebilleder automatisk.\n<li class=\"l\"> MP4- og Matroska-mediekontainerpakkerne har f\u00e5et tilf\u00f8jet st\u00f8tte til dynamisk \u00e6ndring af codec-data, hvilket muligg\u00f8r \u00e6ndring af profil, niveau og opl\u00f8sning for H.264\/H.265 indstr\u00f8mninger.\n<li class=\"l\"> En tilstand for oprettelse af fragmenterede MP4-mediekontainere er blevet tilf\u00f8jet.\n<li class=\"l\"> Lydsupport er blevet tilf\u00f8jet til WPE-baserede (WebKit Port for Embedded) porte.\n<li class=\"l\"> Mulighed for at bruge CUDA til farveomdannelse, skalering af elementer og indl\u00e6sning af elementer er blevet tilf\u00f8jet.\n<li class=\"l\"> Der er tilf\u00f8jet NVMM (NVIDIA Memory Module) underst\u00f8ttelse til OpenGL-elementerne glupload og gldownload.\n<li class=\"l\"> WebRTC-underst\u00f8ttelsen er blevet forbedret.\n<li class=\"l\"> En ny plugin til VA-API (Video Acceleration API) er blevet foresl\u00e5et, som underst\u00f8tter flere dekodere og post-processing elementer.\n<li class=\"l\"> AppSink API'en har f\u00e5et tilf\u00f8jet support for events ud over buffere og bufferlister.\n<li class=\"l\"> Der er tilf\u00f8jet flere indstillinger for interne kasser i AppSrc.\n<li class=\"l\"> Bindings p\u00e5 Rust-sproget er blevet opdateret, og 26 nye plugins er blevet tilf\u00f8jet, skrevet i Rust (gst-plugins-rs).\n<li class=\"l\"> Der er tilf\u00f8jet aesdec- og aesenc-elementer til kryptering og dekryptering ved hj\u00e6lp af AES-algoritmen.\n<li class=\"l\"> Der er tilf\u00f8jet fakeaudiosink- og videocodectestsink-elementer til test og debugging.\n<li class=\"l\"> V\u00e6rkt\u00f8jerne til at oprette minimalistiske GStreamer-bygges\u00e6t er blevet forbedret.\n<li class=\"l\"> Mulighed for at bygge med FFmpeg 5.0 er blevet tilf\u00f8jet.\n<li class=\"l\"> For Linux er der implementeret codec-varianter til MPEG-2 og VP9, der fungerer uden tilstand (Stateless).\n<li class=\"l\"> For Windows er AV1- og MPEG-2-support blevet tilf\u00f8jet til dekoderen baseret p\u00e5 Direct3D11\/DXVA.    <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56635\">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 1.20, \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 1.20, gst-plugins-good 1.20, gst-plugins-bad 1.20, gst-plugins-ugly 1.20, \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-103188","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 1.20, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 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