{"id":119991,"date":"2024-09-30T21:21:06","date_gmt":"2024-09-30T19:21:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-multimedia-paketa-ffmpeg-7-1"},"modified":"2024-09-30T21:21:06","modified_gmt":"2024-09-30T19:21:06","slug":"vypusk-multimedia-paketa-ffmpeg-7-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-multimedia-paketa-ffmpeg-7-1","title":{"rendered":"Lan\u00e7amento do pacote multim\u00eddia FFmpeg 7.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s seis meses de desenvolvimento, o pacote multim\u00eddia FFmpeg 7.1 est\u00e1 dispon\u00edvel, incluindo um conjunto de aplicativos e uma cole\u00e7\u00e3o de bibliotecas para opera\u00e7\u00f5es em v\u00e1rios formatos multim\u00eddia (grava\u00e7\u00e3o, convers\u00e3o e decodifica\u00e7\u00e3o de formatos de \u00e1udio e v\u00eddeo). O pacote \u00e9 escrito em linguagem C e \u00e9 distribu\u00eddo sob as licen\u00e7as LGPL e GPL.            <\/p>\n<p>Entre as mudan\u00e7as no FFmpeg 7.1:   <\/p>\n<ul>\n<li class=\"l\"> Adicionados codificadores de v\u00eddeo nos formatos H.264 e H.265, que utilizam extens\u00f5es da API gr\u00e1fica Vulkan para acelera\u00e7\u00e3o de hardware na codifica\u00e7\u00e3o de v\u00eddeo. Em termos de funcionalidades, os codificadores baseados em Vulkan s\u00e3o id\u00eanticos aos codificadores anteriormente dispon\u00edveis que utilizam VAAPI para acelera\u00e7\u00e3o.\n<li class=\"l\"> Inclu\u00eddo um decodificador propriet\u00e1rio para o formato de codifica\u00e7\u00e3o de \u00e1udio xHE-AAC (suportando o subconjunto AAC USAC), que \u00e9 usado na transmiss\u00e3o via Netflix e envolvido em tecnologias de radiodifus\u00e3o digital Digital Radio Mondiale. O codec \u00e9 not\u00e1vel pelo suporte a uma ampla gama de taxas de bits (de 12 a 300 kbit\/s), alta taxa de compress\u00e3o, recursos de reprodu\u00e7\u00e3o com volume constante, garantindo alta clareza em qualquer n\u00edvel de volume, perfis adicionais de controle de faixa din\u00e2mica ao ouvir em locais barulhentos e adi\u00e7\u00e3o de metadados que permitem a recupera\u00e7\u00e3o de perdas no lado do receptor.\n<li class=\"l\"> Anunciada a implementa\u00e7\u00e3o est\u00e1vel do decodificador para o formato VVC (Versatile Video Coding), tamb\u00e9m conhecido como padr\u00e3o de compress\u00e3o de v\u00eddeo H.266, desenvolvido em conjunto pelos grupos de trabalho MPEG (ISO\/IEC JTC 1) e VCEG (ITU-T), com a participa\u00e7\u00e3o de empresas como Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm e Sony. H.266 substitui o H.265 (HEVC) e proporciona alta efici\u00eancia na transmiss\u00e3o e armazenamento de todas as resolu\u00e7\u00f5es de tela (de SD e HD at\u00e9 4K e 8K), suporta v\u00eddeo com alcance din\u00e2mico expandido (HDR, High Dynamic Range) e v\u00eddeo panor\u00e2mico em 360 graus.\n<li class=\"l\"> Adicionada a capacidade de acelerar a decodifica\u00e7\u00e3o VVC, utilizando a tecnologia Intel QSV (Quick Sync Video).\n<li class=\"l\"> Adicionado codificador VVC, implementado atrav\u00e9s do uso da biblioteca libvvenc.\n<li class=\"l\"> Implementada a capacidade de decodificar v\u00eddeo no formato MV-HEVC (Multiview High Efficiency Video Coding), que \u00e9 utilizado em capacetes de realidade virtual e em smartphones para transmiss\u00e3o de v\u00eddeo estereosc\u00f3pico.\n<li class=\"l\"> Adicionado um decodificador para o padr\u00e3o de codifica\u00e7\u00e3o de v\u00eddeo LCEVC, implementado com uma biblioteca externa LCEVCdec. O LCEVC adiciona uma camada extra de metadados para melhorar a qualidade dos codecs existentes H.26x e MP4\/ISOBMFF.\n<li class=\"l\"> Nos multiplexadores (muxers) de cont\u00eainer de m\u00eddia Matroska e MP4\/MOV, foi implementada a an\u00e1lise e grava\u00e7\u00e3o de metadados com informa\u00e7\u00f5es sobre o corte de v\u00eddeo (por exemplo, ao ser exibido em telas com diferentes propor\u00e7\u00f5es).\n<li class=\"l\"> Adicionada suporte para codifica\u00e7\u00e3o e decodifica\u00e7\u00e3o de \u00e1udio nos formatos LC3 e LC3plus, otimizados para transmiss\u00e3o de \u00e1udio com lat\u00eancias m\u00ednimas (por exemplo, usados em fones de ouvido Bluetooth). A implementa\u00e7\u00e3o \u00e9 baseada na biblioteca externa liblc3. Adicionadas decodificadores e codificadores de cont\u00eainer de m\u00eddia para LC3 e LC3plus.\n<li class=\"l\"> Adicionada suporte para a decodifica\u00e7\u00e3o de \u00e1udio nos formatos AAC, AMR-NB, AMR-WB e MP3, utilizando a API MediaCodec fornecida pela plataforma Android.\n<li class=\"l\"> Adicionado codificador D3D12VA HEVC, implementando acelera\u00e7\u00e3o de hardware atrav\u00e9s da API D3D12.\n<li class=\"l\"> Adicionado decodificador de legendas no formato RCWT (Raw Captions with Time).\n<li class=\"l\"> Suporte para DEC Alpha DSP foi descontinuado.\n<li class=\"l\"> Adicionado uma fonte de v\u00eddeo que gera ru\u00eddo de Perlin.\n<li class=\"l\"> Para codecs e filtros, foi implementado um processo de correspond\u00eancia de espa\u00e7o de cor YUV.\n<li class=\"l\"> Adicionados filtros pad_vaapi e drawbox_vaapi para adicionar margens e bordas ao v\u00eddeo.      <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61961\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430-\u043f\u0430\u043a\u0435\u0442 FFmpeg 7.1, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u0439 \u043d\u0430\u0431\u043e\u0440 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a \u0434\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u043d\u0430\u0434 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430-\u0444\u043e\u0440\u043c\u0430\u0442\u0430\u043c\u0438 (\u0437\u0430\u043f\u0438\u0441\u044c, \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u0432\u0443\u043a\u043e\u0432\u044b\u0445 \u0438 \u0432\u0438\u0434\u0435\u043e\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432). \u041f\u0430\u043a\u0435\u0442 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \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\u044f\u043c\u0438 LGPL \u0438 GPL. \u0421\u0440\u0435\u0434\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 FFmpeg 7.1: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0438 \u0432\u0438\u0434\u0435\u043e \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u0445 H.264 \u0438 H.265, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e API [&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-119991","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\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 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