{"id":113933,"date":"2024-02-28T12:25:58","date_gmt":"2024-02-28T10:25:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kod-podderzhki-kodeka-vp9-v-v4l2-dlya-chipov-hantro-i-rockchip-perepisan-na-rust"},"modified":"2024-02-28T12:25:58","modified_gmt":"2024-02-28T10:25:58","slug":"kod-podderzhki-kodeka-vp9-v-v4l2-dlya-chipov-hantro-i-rockchip-perepisan-na-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/kod-podderzhki-kodeka-vp9-v-v4l2-dlya-chipov-hantro-i-rockchip-perepisan-na-rust","title":{"rendered":"El c\u00f3digo de soporte del c\u00f3dec VP9 en V4L2 para los chips Hantro y Rockchip ha sido reescrito en Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Daniel Almeida, que se dedica al desarrollo de c\u00f3decs de video en la empresa Collabora, ha presentado para discusi\u00f3n entre los desarrolladores del kernel de Linux una nueva implementaci\u00f3n de capa para el uso de decodificadores de video hardware en formato VP9 en el subsistema V4L2, que se utiliza para acceder a dispositivos de captura de video, como webcams y sintonizadores de TV. El c\u00f3digo de la capa ha sido completamente reescrito en lenguaje Rust y est\u00e1 dise\u00f1ado para trabajar con los controladores rkvdec y hantro, que proporcionan acceso a los recursos de aceleraci\u00f3n de decodificaci\u00f3n de video disponibles en los chips Rockchip y Hantro. <\/p>\n

El c\u00f3digo que implementa soporte de VP9 para v4l2 ocupa alrededor de 2000 l\u00edneas. Como raz\u00f3n para crear una implementaci\u00f3n alternativa en lenguaje Rust se menciona el deseo de lograr un nivel adicional de seguridad mediante el uso de las herramientas proporcionadas por el lenguaje Rust para un manejo seguro de la memoria en un c\u00f3digo que contiene la implementaci\u00f3n de algoritmos bastante complejos y se aplica al procesamiento de datos que provienen del espacio de usuario a trav\u00e9s de la interfaz V4L2. A pesar de que la implementaci\u00f3n en Rust a\u00fan tiene el estatus de prototipo experimental presentado para discusi\u00f3n, al ser probado con el paquete Fluster, que eval\u00faa el cumplimiento de los decodificadores con especificaciones de referencia, las versiones en C y Rust mostraron resultados id\u00e9nticos.
\n
Fuente: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u044d\u043d\u0438\u0435\u043b \u0410\u043b\u043c\u0435\u0439\u0434\u0430 (Daniel Almeida), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u0432\u0438\u0434\u0435\u043e\u043a\u043e\u0434\u0435\u043a\u043e\u0432 \u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Collabora, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0434\u043b\u044f \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u044f\u0434\u0440\u0430 Linux \u043d\u043e\u0432\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0438 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0445 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u043e\u0432 \u0432\u0438\u0434\u0435\u043e \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 VP9 \u0432 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0435 V4L2, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u043c \u0432\u0438\u0434\u0435\u043e\u0437\u0430\u0445\u0432\u0430\u0442\u0430, \u0442\u0430\u043a\u0438\u043c \u043a\u0430\u043a web-\u043a\u0430\u043c\u0435\u0440\u044b \u0438 TV-\u0442\u044e\u043d\u0435\u0440\u044b. \u041a\u043e\u0434 \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0438 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d \u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430\u043c\u0438 rkvdec […]<\/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-113933","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47El c\u00f3digo de soporte del c\u00f3dec VP9 en V4L2 para los chips Hantro y Rockchip ha sido reescrito en Rust | ProHoster","description":"Daniel Almeida, que se dedica al desarrollo de c\u00f3decs de video en la empresa Collabora, ha presentado para discusi\u00f3n entre los desarrolladores del kernel de Linux una nueva implementaci\u00f3n de capa para el uso de decodificadores de video hardware.","canonical_url":"https:\/\/prohoster.info\/es\/blog\/news\/kod-podderzhki-kodeka-vp9-v-v4l2-dlya-chipov-hantro-i-rockchip-perepisan-na-rust","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"es_ES","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041a\u043e\u0434 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043a\u043e\u0434\u0435\u043a\u0430 VP9 \u0432 V4L2 \u0434\u043b\u044f \u0447\u0438\u043f\u043e\u0432 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