{"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\/pt\/blog\/news\/dostupen-multimedijnyj-frejmvork-gstreamer-1-18-0","title":{"rendered":"O framework multim\u00eddia GStreamer 1.18.0 est\u00e1 dispon\u00edvel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s um ano e meio de desenvolvimento <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freedesktop.org\/archives\/gstreamer-devel\/2020-September\/076095.html\">ocorreu<\/a><\/noindex> lan\u00e7amento  <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/\">GStreamer 1.18<\/a><\/noindex>, escrito em linguagem C, \u00e9 um conjunto de componentes multiplataforma para criar uma ampla gama de aplicativos de multim\u00eddia, desde reprodutores de m\u00eddia e conversores de arquivos de \u00e1udio\/v\u00eddeo at\u00e9 aplicativos VoIP e sistemas de streaming. O c\u00f3digo do GStreamer \u00e9 distribu\u00eddo sob a licen\u00e7a LGPLv2.1. Atualiza\u00e7\u00f5es para os plugins gst-plugins-base 1.18, gst-plugins-good 1.18, gst-plugins-bad 1.18, gst-plugins-ugly 1.18, bem como a vincula\u00e7\u00e3o gst-libav 1.18 e o servidor de streaming gst-rtsp-server 1.18 tamb\u00e9m est\u00e3o dispon\u00edveis. No n\u00edvel da API e ABI, a nova vers\u00e3o \u00e9 retrocompat\u00edvel com a ramifica\u00e7\u00e3o 1.0. As compila\u00e7\u00f5es bin\u00e1rias ser\u00e3o <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/download\/\">preparadas em breve<\/a><\/noindex> para Android, iOS, macOS e Windows (no Linux, recomenda-se usar pacotes da distribui\u00e7\u00e3o).<\/p>\n<p>Principais <noindex><a rel=\"nofollow\" href=\"http:\/\/gstreamer.freedesktop.org\/releases\/1.18\/\">s\u00e3o<\/a><\/noindex> GStreamer 1.18:<\/p>\n<ul>\n<li class=\"l\"> Um novo API de alto n\u00edvel chamado <noindex><a rel=\"nofollow\" href=\"https:\/\/gstreamer.freedesktop.org\/documentation\/transcoder\/index.html\">GstTranscoder<\/a><\/noindex>, que pode ser usado em aplicativos para transcoding arquivos de um formato para outro, foi proposto.\n<li class=\"l\"> Melhorada a representa\u00e7\u00e3o de informa\u00e7\u00f5es e o processamento de v\u00eddeo com alto alcance din\u00e2mico (HDR, High Dynamic Range).\n<li class=\"l\"> Adicionada a possibilidade de alterar a velocidade de reprodu\u00e7\u00e3o em tempo real.\n<li class=\"l\"> Suporte adicionado para o conjunto de codecs <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\"> O servidor e o cliente RTSP agora suportam <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Trick_mode\">modos trick<\/a><\/noindex> (fast-forward com preserva\u00e7\u00e3o de imagem), conforme descrito na especifica\u00e7\u00e3o ONVIF (Open Network Video Interface Forum).\n<li class=\"l\"> No Windows, implementado acelera\u00e7\u00e3o de hardware para decodifica\u00e7\u00e3o de v\u00eddeo usando a API DXVA2\/Direct3D11, assim como um plugin para captura de v\u00eddeo e acelera\u00e7\u00e3o de codifica\u00e7\u00e3o atrav\u00e9s da Microsoft Media Foundation. Suporte adicionado para UWP (Universal Windows Platform).\n<li class=\"l\"> Adicionado o elemento qmlgloverlay, que permite sobrepor uma cena Qt Quick ao fluxo de v\u00eddeo de entrada.\n<li class=\"l\"> Adicionado o elemento imagesequencesrc, que facilita a cria\u00e7\u00e3o de um fluxo de v\u00eddeo a partir de uma sequ\u00eancia de imagens nos formatos JPEG ou PNG.\n<li class=\"l\"> Adicionado o elemento dashsink para gera\u00e7\u00e3o de conte\u00fado DASH.\n<li class=\"l\"> Adicionado o elemento dvbsubenc para codifica\u00e7\u00e3o de legendas DVB.\n<li class=\"l\"> Possibilidade de empacotar fluxos MPEG-TS com bitrate fixo e suporte a SCTE-35 foi garantida, em uma forma compat\u00edvel com redes de TV a cabo.\n<li class=\"l\"> Implementado rtmp2 com uma nova implementa\u00e7\u00e3o de cliente RTMP com elementos source e sink.\n<li class=\"l\"> No servidor RTSP, suporte adicionado para cabe\u00e7alhos que gerenciam velocidade e escalonamento.\n<li class=\"l\"> Adicionado svthevcenc, um codificador de v\u00eddeo H.265 baseado na implementa\u00e7\u00e3o em desenvolvimento pela Intel. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OpenVisualCloud\/SVT-HEVC\">SVT-HEVC<\/a><\/noindex>.\n<li class=\"l\"> Adicionado o elemento vaapioverlay para composi\u00e7\u00e3o usando VA-API.\n<li class=\"l\"> O rtpmanager agora suporta a extens\u00e3o RTP TWCC (Google Transport-Wide Congestion Control).\n<li class=\"l\"> Os elementos splitmuxsink e splitmuxsrc agora suportam fluxo de v\u00eddeo auxiliar (AUX).\n<li class=\"l\"> Novos elementos foram apresentados para receber e gerar fluxos RTP, utilizando o URI \"rtp:\/\/\".\n<li class=\"l\"> Adicionado o plugin AVTP (Audio Video Transport Protocol) para transmiss\u00e3o de fluxos de \u00e1udio e v\u00eddeo sens\u00edveis \u00e0 lat\u00eancia.\n<li class=\"l\"> Adicionada a suporta\u00e7\u00e3o para o perfil 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\"> Adicionado o elemento rpicamsrc para capturar v\u00eddeo de c\u00e2meras para a placa Raspberry Pi.\n<li class=\"l\"> Nos GStreamer Editing Services, foi adicionada a compatibilidade com faixas temporais aninhadas, atribui\u00e7\u00e3o de velocidade vinculada a clipes individuais e a possibilidade de uso do formato OpenTimelineIO.\n<li class=\"l\"> Scripts de constru\u00e7\u00e3o baseados em Autotools foram removidos. O Meson agora \u00e9 usado como a principal ferramenta de constru\u00e7\u00e3o.\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-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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