{"id":91661,"date":"2020-08-16T13:42:12","date_gmt":"2020-08-16T11:42:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-nochnye-sborki-firefox-dobavlena-podderzhka-uskoreniya-webrtc-cherez-vaapi"},"modified":"2020-08-16T13:42:12","modified_gmt":"2020-08-16T11:42:12","slug":"v-nochnye-sborki-firefox-dobavlena-podderzhka-uskoreniya-webrtc-cherez-vaapi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/v-nochnye-sborki-firefox-dobavlena-podderzhka-uskoreniya-webrtc-cherez-vaapi","title":{"rendered":"Le support de l'acc\u00e9l\u00e9ration WebRTC via VAAPI a \u00e9t\u00e9 ajout\u00e9 aux builds nocturnes de Firefox.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dans <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mozilla.org\/en-US\/firefox\/channel\/desktop\/#nightly\">versions nocturnes<\/a><\/noindex> Firefox <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1646329\">ajout\u00e9<\/a><\/noindex> prise en charge de l'acc\u00e9l\u00e9ration mat\u00e9rielle du d\u00e9codage vid\u00e9o dans les sessions bas\u00e9es sur la technologie WebRTC, utilis\u00e9e dans les applications web pour les vid\u00e9oconf\u00e9rences. L'acc\u00e9l\u00e9ration est r\u00e9alis\u00e9e gr\u00e2ce \u00e0 VA-API (Video Acceleration API) et FFmpegDataDecoder, et est disponible \u00e0 la fois pour Wayland et pour X11. La mise en \u0153uvre pour X11 repose sur l'utilisation de <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53285\">un nouveau backend<\/a><\/noindex>, utilisant EGL.<\/p>\n<p>Pour activer l'acc\u00e9l\u00e9ration dans about:config, vous devez d\u00e9finir le param\u00e8tre media.ffmpeg.low-latency.enabled sur true, apr\u00e8s avoir <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.archlinux.org\/index.php\/Firefox#Hardware_video_acceleration\">en activant<\/a><\/noindex> prise en charge de VA-API (\u00ab widget.wayland-dmabuf-vaapi.enabled=true \u00bb, \u00ab gfx.webrender.all=true \u00bb ou \u00ab layers.acceleration.force-enabled=true \u00bb et lancement avec la variable d'environnement MOZ_ENABLE_WAYLAND=1 pour Wayland et MOZ_X11_EGL=1 pour X11).<\/p>\n<p>Il convient \u00e9galement de noter <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1656554\">l'inclusion<\/a><\/noindex> dans la branche Firefox 81 du syst\u00e8me de composition WebRender pour les appareils mobiles avec GPU Adreno 5xx, <noindex><a rel=\"nofollow\" href=\"https:\/\/hg.mozilla.org\/mozilla-central\/rev\/c14317d9e192\">\u00e0 l'exception de<\/a><\/noindex> Adreno 505 et 506. WebRender est \u00e9crit en Rust et permet d'obtenir une augmentation significative de la vitesse de rendu et une r\u00e9duction de la charge sur le CPU en d\u00e9chargeant vers le GPU les op\u00e9rations de rendu du contenu de la page, qui sont mises en \u0153uvre par des shaders ex\u00e9cut\u00e9s sur le GPU. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53555\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043d\u043e\u0447\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 Firefox \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e \u0432 \u0441\u0435\u0430\u043d\u0441\u0430\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 WebRTC, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0432 web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e\u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0439. \u0423\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043e \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 VA-API (Video Acceleration API) \u0438 FFmpegDataDecoder, \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e \u043a\u0430\u043a \u0434\u043b\u044f Wayland, \u0442\u0430\u043a \u0438 \u0434\u043b\u044f X11. \u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0434\u043b\u044f X11 \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0430 \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u043d\u043e\u0432\u043e\u0433\u043e \u0431\u044d\u043a\u0435\u043d\u0434\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0435\u0433\u043e EGL. \u0414\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0432 [&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-91661","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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