{"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\/no\/blog\/news\/vypusk-multimedia-paketa-ffmpeg-7-1","title":{"rendered":"Utgivelsen av multimedia-pakken FFmpeg 7.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Etter seks m\u00e5neder med utvikling er multimediapakken FFmpeg 7.1 tilgjengelig, som inkluderer et sett med applikasjoner og et bibliotek for operasjoner med forskjellige multimediaformater (opptak, konvertering og dekoding av lyd- og videoformater). Pakken er skrevet i C og distribueres under LGPL- og GPL-lisenser.            <\/p>\n<p>Blant endringene i FFmpeg 7.1:   <\/p>\n<ul>\n<li class=\"l\"> Videoenkodere i H.264- og H.265-formater har blitt lagt til, som bruker utvidelser av grafikk-API-en Vulkan for maskinvareakselerasjon av videoenkodingen. Funksjonaliteten til disse Vulkan-baserte enkodere er identisk med de tidligere tilgjengelige enkoderne som benytter VAAPI for akselerasjon.\n<li class=\"l\"> Pakken inkluderer en egen dekoder for lydkoding i xHE-AAC-format (st\u00f8tter et undersett av AAC USAC), som brukes i str\u00f8mming av Netflix og er involvert i teknologi for digital radiodiffusjon Digital Radio Mondiale. Codec-en er bemerkelsesverdig for st\u00f8tte for et bredt spekter av bithastigheter (fra 12 til 300 kbit\/s), h\u00f8y kompresjon, funksjoner for avspilling med konstant lydstyrke, sikring av h\u00f8y klarhet p\u00e5 alle lydniv\u00e5er, ekstra profiler for dynamisk rekkeviddekontroll ved lytting i st\u00f8yende milj\u00f8er og metadata som muliggj\u00f8r gjenoppretting av tap p\u00e5 mottaksiden.\n<li class=\"l\"> En stabil implementering av dekoderen for formatet VVC (Versatile Video Coding), ogs\u00e5 kjent som video komprimeringsstandard H.266, utviklet i samarbeid mellom MPEG (ISO\/IEC JTC 1) og VCEG (ITU-T), med deltakelse fra selskaper som Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm og Sony, er n\u00e5 kunngjort. H.266 erstatter H.265 (HEVC) og tilbyr h\u00f8y effektivitet for overf\u00f8ring og lagring av alle skjermoppl\u00f8sninger (fra SD og HD til 4K og 8K), st\u00f8tter video med utvidet dynamisk omr\u00e5de (HDR, High Dynamic Range) og panoramisk video i 360 grader.\n<li class=\"l\"> Muligheten for akselerert dekoding av VVC ved bruk av Intel QSV (Quick Sync Video) er lagt til.\n<li class=\"l\"> En VVC-enkoder er lagt til, implementert ved bruk av libvvenc-biblioteket.\n<li class=\"l\"> St\u00f8tte for dekoding av video i MV-HEVC-format (Multiview High Efficiency Video Coding) har blitt implementert, som brukes i virtuelle virkelighetsviskere og p\u00e5 smarttelefoner for \u00e5 sende stereoskopisk video.\n<li class=\"l\"> LCEVC-video codec st\u00f8tten er lagt til med en dekoder basert p\u00e5 det eksterne LCEVCdec-biblioteket. LCEVC legger til et ekstra lag med metadata for \u00e5 forbedre kvaliteten p\u00e5 eksisterende H.26x- og MP4\/ISOBMFF-kodeker.\n<li class=\"l\"> I muxerne for mediekontainere (Matroska og MP4\/MOV) er det implementert parsing og skriving av metadata med informasjon om videoklipping (for eksempel ved visning p\u00e5 skjermer med andre bildest\u00f8rrelsesforhold).\n<li class=\"l\"> St\u00f8tte for koding og dekoding av lyd i LC3- og LC3plus-formatene er lagt til, optimalisert for lav ventetid ved lydoverf\u00f8ring (for eksempel brukt i Bluetooth-hodetelefoner). Implementeringen er basert p\u00e5 det eksterne liblc3-biblioteket. Det er lagt til dekodere og muxere for mediekontainere for LC3 og LC3plus.\n<li class=\"l\"> St\u00f8tte for dekoding av lyd i AAC-, AMR-NB-, AMR-WB- og MP3-formatene er lagt til, ved bruk av MediaCodec API som tilbys av Android-plattformen.\n<li class=\"l\"> D3D12VA HEVC-koderen er lagt til, som implementerer maskinvareakselerasjon via D3D12 API.\n<li class=\"l\"> En dekoder for undertekster i RCWT-format (Raw Captions with Time) er lagt til.\n<li class=\"l\"> St\u00f8tten for DEC Alpha DSP er avsluttet.\n<li class=\"l\"> En videokilde som genererer Perlin-st\u00f8y er lagt til.\n<li class=\"l\"> En prosess for tilpasning av fargeomr\u00e5det YUV er implementert for kodeker og filtre.\n<li class=\"l\"> Filtrene pad_vaapi og drawbox_vaapi er lagt til for \u00e5 legge til marginer og rammer til video.      <\/ul>\n<p>Kilde: <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 5.0.5 - 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 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d 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