{"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\/cs\/blog\/news\/dostupen-multimedijnyj-frejmvork-gstreamer-1-18-0","title":{"rendered":"Dostupn\u00fd multimedi\u00e1ln\u00ed framework GStreamer 1.18.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po roce a p\u016fl v\u00fdvoje <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freedesktop.org\/archives\/gstreamer-devel\/2020-September\/076095.html\">se uskute\u010dnilo<\/a><\/noindex> vyd\u00e1n\u00ed  <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/\">GStreamer 1.18<\/a><\/noindex>, napsan\u00e1 v jazyce C, multiplatformn\u00ed sada komponent\u016f pro vytv\u00e1\u0159en\u00ed \u0161irok\u00e9ho spektra multimedi\u00e1ln\u00edch aplikac\u00ed, od medi\u00e1ln\u00edch p\u0159ehr\u00e1va\u010d\u016f a konvertor\u016f audio\/video soubor\u016f po VoIP aplikace a syst\u00e9my pro streamov\u00e1n\u00ed. K\u00f3d GStreamer je distribuov\u00e1n pod licenc\u00ed LGPLv2.1. Aktualizace plugin\u016f gst-plugins-base 1.18, gst-plugins-good 1.18, gst-plugins-bad 1.18, gst-plugins-ugly 1.18, jako\u017e i wrapperu gst-libav 1.18 a serveru pro streamov\u00e1n\u00ed gst-rtsp-server 1.18 jsou nyn\u00ed k dispozici. Na \u00farovni API a ABI je nov\u00e1 verze zp\u011btn\u011b kompatibiln\u00ed s v\u011btv\u00ed 1.0. Bin\u00e1rn\u00ed sestaven\u00ed budou brzy <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/download\/\">p\u0159ipravena<\/a><\/noindex> pro Android, iOS, macOS a Windows (v Linuxu se doporu\u010duje pou\u017e\u00edvat bal\u00ed\u010dky z distribuce).<\/p>\n<p>Kl\u00ed\u010dov\u00e9 <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/releases\/1.18\/\">vylep\u0161en\u00ed<\/a><\/noindex> GStreamer 1.18:<\/p>\n<ul>\n<li class=\"l\"> Byl navr\u017een nov\u00fd vysoce\u00farov\u0148ov\u00fd API <noindex><a rel=\"nofollow\" href=\"https:\/\/gstreamer.freedesktop.org\/documentation\/transcoder\/index.html\">GstTranscoder<\/a><\/noindex>, kter\u00fd lze pou\u017e\u00edt v aplikac\u00edch pro rek\u00f3dov\u00e1n\u00ed soubor\u016f z jednoho form\u00e1tu do druh\u00e9ho.\n<li class=\"l\"> Byla vylep\u0161ena prezentace informac\u00ed a zpracov\u00e1n\u00ed videa s roz\u0161\u00ed\u0159en\u00fdm dynamick\u00fdm rozsahem (HDR, High Dynamic Range).\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost m\u011bnit rychlost p\u0159ehr\u00e1v\u00e1n\u00ed za chodu.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora sady kodek\u016f <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Active_Format_Description\">AFD<\/a><\/noindex> (Active Format Description) a Bar Data.\n<li class=\"l\"> Do serveru a klienta RTSP byla p\u0159id\u00e1na podpora <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Trick_mode\">trick re\u017eim\u016f<\/a><\/noindex> (rychl\u00e9 posouv\u00e1n\u00ed se zachov\u00e1n\u00edm obrazu), popsan\u00fdch ve specifikaci ONVIF (Open Network Video Interface Forum).\n<li class=\"l\"> Na platform\u011b Windows byla implementov\u00e1na hardwarov\u00e1 akcelerace dek\u00f3dov\u00e1n\u00ed videa pomoc\u00ed API DXVA2 \/ Direct3D11 a byl navr\u017een plugin pro zachyt\u00e1v\u00e1n\u00ed videa a akceleraci k\u00f3dov\u00e1n\u00ed prost\u0159ednictv\u00edm Microsoft Media Foundation. Byla p\u0159id\u00e1na podpora UWP (Universal Windows Platform).\n<li class=\"l\"> Byl p\u0159id\u00e1n prvek qmlgloverlay, kter\u00fd umo\u017e\u0148uje vykreslit sc\u00e9nu Qt Quick nad p\u0159\u00edchoz\u00edm videostreamem.\n<li class=\"l\"> Byl p\u0159id\u00e1n prvek imagesequencesrc, kter\u00fd usnad\u0148uje vytv\u00e1\u0159en\u00ed videostreamu z sekvence obr\u00e1zk\u016f ve form\u00e1tech JPEG nebo PNG.\n<li class=\"l\"> Byl p\u0159id\u00e1n prvek dashsink pro generov\u00e1n\u00ed obsahu DASH.\n<li class=\"l\"> Byl p\u0159id\u00e1n prvek dvbsubenc pro k\u00f3dov\u00e1n\u00ed titulk\u016f DVB.\n<li class=\"l\"> Byla zaji\u0161t\u011bna mo\u017enost balen\u00ed MPEG-TS stream\u016f s pevnou bitrate a podporou SCTE-35, v podob\u011b kompatibiln\u00ed s kabelov\u00fdmi televizn\u00edmi s\u00edt\u011bmi.\n<li class=\"l\"> Byl implementov\u00e1n rtmp2 s novou realizac\u00ed klienta RTMP s prvky source a sink.\n<li class=\"l\"> Do RTSP Serveru byla p\u0159id\u00e1na podpora hlavi\u010dek pro \u0159\u00edzen\u00ed rychlosti a m\u011b\u0159\u00edtka.\n<li class=\"l\"> Byl p\u0159id\u00e1n svthevcenc, enkod\u00e9r videa H.265 zalo\u017een\u00fd na enkod\u00e9ru vyvinut\u00e9m spole\u010dnost\u00ed Intel. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OpenVisualCloud\/SVT-HEVC\">SVT-HEVC<\/a><\/noindex>.\n<li class=\"l\"> Byl p\u0159id\u00e1n prvek vaapioverlay pro kompozici pomoc\u00ed VA-API.\n<li class=\"l\"> Do rtpmanager byla p\u0159id\u00e1na podpora roz\u0161\u00ed\u0159en\u00ed RTP TWCC (Google Transport-Wide Congestion Control).\n<li class=\"l\"> V prvc\u00edch splitmuxsink a splitmuxsrc byla p\u0159id\u00e1na podpora pomocn\u00fdch (AUX) videostream\u016f.\n<li class=\"l\"> Byly p\u0159edstaveny nov\u00e9 prvky pro p\u0159\u00edjem a generov\u00e1n\u00ed RTP tok\u016f pomoc\u00ed URI \u201ertp:\/\/\u201c.\n<li class=\"l\"> Byl p\u0159id\u00e1n plugin AVTP (Audio Video Transport Protocol) pro p\u0159enos zvukov\u00fdch a video stream\u016f citliv\u00fdch na zpo\u017ed\u011bn\u00ed.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora profilu TR-06-1 (RIST \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Reliable_Internet_Stream_Transport\">Reliable Internet Stream Transport<\/a><\/noindex>).\n<li class=\"l\"> Byl p\u0159id\u00e1n prvek rpicamsrc pro zachycen\u00ed videa z kamery pro desku Raspberry Pi.\n<li class=\"l\"> V GStreamer Editing Services byla p\u0159id\u00e1na podpora vno\u0159en\u00fdch \u010dasov\u00fdch os, nastaven\u00ed rychlosti v\u00e1zan\u00e9ho na jednotliv\u00e9 klipy a mo\u017enost pou\u017eit\u00ed form\u00e1tu OpenTimelineIO.\n<li class=\"l\"> Byly odstran\u011bny skripty pro sestaven\u00ed na z\u00e1klad\u011b Autotools. Jako hlavn\u00ed n\u00e1stroj pro sestaven\u00ed se nyn\u00ed pou\u017e\u00edv\u00e1 Meson.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <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-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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