{"id":122071,"date":"2025-02-23T14:22:11","date_gmt":"2025-02-23T12:22:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-svt-av1-3-0-kodirovshhika-dlya-formata-video-av1"},"modified":"2025-02-23T14:22:11","modified_gmt":"2025-02-23T12:22:11","slug":"vypusk-svt-av1-3-0-kodirovshhika-dlya-formata-video-av1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-svt-av1-3-0-kodirovshhika-dlya-formata-video-av1","title":{"rendered":"Lanzamiento de SVT-AV1 3.0, codificador para el formato de video AV1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha publicado la versi\u00f3n 3.0 de la biblioteca SVT-AV1 (Scalable Video Technology AV1) con implementaciones del codificador y decodificador del formato de codificaci\u00f3n de video AV1, que utiliza las capacidades de paralelizaci\u00f3n de hardware presentes en las CPU modernas de Intel para acelerar su funcionamiento. Este proyecto fue creado por Intel en asociaci\u00f3n con Netflix con el objetivo de alcanzar un nivel de rendimiento adecuado para la transcodificaci\u00f3n de video en tiempo real y su uso en servicios de video bajo demanda (VOD). Actualmente, el desarrollo se lleva a cabo bajo los auspicios de la alianza Open Media (AOMedia), que supervisa el desarrollo del formato de codificaci\u00f3n de video AV1. Anteriormente, el proyecto se desarroll\u00f3 en el marco de OpenVisualCloud, que tambi\u00e9n desarrolla los codificadores SVT-HEVC y SVT-VP9. El c\u00f3digo se distribuye bajo la licencia BSD.     <\/p>\n<p>SVT-AV1 puede ser compilado para sistemas basados en cualquier arquitectura que tenga un compilador que soporte el est\u00e1ndar C99, pero el mejor rendimiento se logra en sistemas x86_64, donde se aplican optimizaciones de ensamblador basadas en instrucciones SIMD (se recomienda que el CPU soporte AVX2, aunque como m\u00ednimo es suficiente con SS2). El consumo de memoria depende del n\u00famero de n\u00facleos del procesador empleados durante la codificaci\u00f3n, controlados por la opci\u00f3n &#171;&#8212;lp&#187;. Debido a la complejidad de los algoritmos utilizados en AV1, la codificaci\u00f3n en este formato requiere significativamente m\u00e1s recursos que otros formatos, por ejemplo, el codificador est\u00e1ndar del proyecto AV1 requiere de 5721, 5869 y 658 veces m\u00e1s c\u00e1lculos en comparaci\u00f3n con los codificadores x264 (perfil &#171;main&#187;), x264 (perfil &#171;high&#187;) y libvpx-vp9.     <\/p>\n<p>Entre los cambios en la nueva versi\u00f3n de SVT-AV1:  <\/p>\n<ul>\n<li class=\"l\"> Se ha optimizado el compromiso entre calidad\/velocidad para los preajustes que establecen un nivel de calidad medio y alto. En el modo &#171;fast-decode 2&#187; para los preajustes M3-M10, la velocidad aument\u00f3 entre un 15-25% manteniendo el nivel de calidad. Para los preajustes M0-M2, el nivel de calidad se ha incrementado aproximadamente en un 1% seg\u00fan se eval\u00fae mediante el m\u00e9todo BD-Rate (Bjontegaard-Delta).\n<li class=\"l\"> En el modo &#171;fast-decode 1&#187; en comparaci\u00f3n con &#171;fast-decode 0&#187;, se logr\u00f3 reducir el n\u00famero de ciclos de decodificaci\u00f3n en aproximadamente un 10% con un aumento en las p\u00e9rdidas de solo un 1% seg\u00fan la m\u00e9trica BD-Rate.\n<li class=\"l\"> En sistemas ARM se han implementado optimizaciones utilizando extensiones Neon y SVE2, lo que ha permitido aumentar el rendimiento de la codificaci\u00f3n de flujos con alta profundidad de color y resoluciones de 480p a 1080p entre un 10% y un 25%.\n<li class=\"l\"> Se han trasladado cambios desde el fork SVT-AV1-SPY que mejoran la percepci\u00f3n de calidad al usar el modo &#171;tune 0&#187;.\n<li class=\"l\"> Se ha a\u00f1adido el modo &#171;avif&#187;, que consume menos recursos al codificar im\u00e1genes est\u00e1ticas.\n<li class=\"l\"> Se han mejorado las pruebas unitarias para el c\u00f3digo que utiliza instrucciones Arm Neon y SVE2.    <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62781\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 SVT-AV1 3.0 (Scalable Video Technology AV1) c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV1, \u0434\u043b\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u044b \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0432 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 CPU Intel \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0440\u0430\u0441\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0438\u0432\u0430\u043d\u0438\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439. \u041f\u0440\u043e\u0435\u043a\u0442 \u0441\u043e\u0437\u0434\u0430\u043d \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Intel \u0432 \u043f\u0430\u0440\u0442\u043d\u0451\u0440\u0441\u0442\u0432\u0435 \u0441 Netflix \u0441 \u0446\u0435\u043b\u044c\u044e \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u044f \u0443\u0440\u043e\u0432\u043d\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u043f\u0440\u0438\u0433\u043e\u0434\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e \u043d\u0430 \u043b\u0435\u0442\u0443 \u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u0441\u0435\u0440\u0432\u0438\u0441\u0430\u0445, \u043e\u0442\u0434\u0430\u044e\u0449\u0438\u0445 [&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-122071","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 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