{"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\/sl\/blog\/news\/vypusk-multimedia-paketa-ffmpeg-7-1","title":{"rendered":"Izdaja ve\u010dpredstavnostnega paketa FFmpeg 7.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po \u0161estih mesecih razvoja je na voljo multimidijska programska oprema FFmpeg 7.1, ki vklju\u010duje nabor aplikacij in zbirko knji\u017enic za obdelavo razli\u010dnih multimidijskih formatov (snemanje, pretvorba in dekodiranje avdio in video formatov). Paketu je napisana v programskem jeziku C in je na voljo pod licencami LGPL in GPL.            <\/p>\n<p>Med spremembami v FFmpeg 7.1:   <\/p>\n<ul>\n<li class=\"l\"> Dodani so video kodirniki v formatih H.264 in H.265, ki uporabljajo raz\u0161iritve grafi\u010dnega API Vulkan za strojno pospe\u0161evanje kodiranja videa. Po svojih zmo\u017enostih so kodirniki, ki temeljijo na Vulkan, enaki prej razpolo\u017eljivim kodirnikom, ki uporabljajo VAAPI za pospe\u0161evanje.\n<li class=\"l\"> V paket je vklju\u010den lasten dekoder za format kodiranja zvoka xHE-AAC (podpira podmno\u017eico AAC USAC), ki se uporablja pri pretakanju Netflix in se uporablja v tehnologijah digitalnega radia Digital Radio Mondiale. Codec se pona\u0161a s podporo \u0161irokega razpona bitnih hitrosti (od 12 do 300 kbit\/s), visoko stopnjo stiskanja, sredstvom za predvajanje s stalno glasnostjo, zagotavljanjem visoke jasnosti pri kakr\u0161nih koli ravneh glasnosti, dodatnimi profili za upravljanje dinami\u010dnega razpona pri poslu\u0161anju v hrupnih okoljih ter dodajanjem metapodatkov, ki omogo\u010dajo obnovitev izgubljenih podatkov na sprejemni strani.\n<li class=\"l\"> Napovedana je stabilna implementacija dekoderja za format VVC (Versatile Video Coding), znan tudi kot standard stiskanja videa H.266, ki ga je razvijal v sodelovanju delovnih skupin MPEG (ISO\/IEC JTC 1) in VCEG (ITU-T), s sodelovanjem podjetij, kot so Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm in Sony. H.266 nadome\u0161\u010da H.265 (HEVC) in nudi visoko u\u010dinkovitost pri prenosu in shranjevanju vseh zaslonskih lo\u010ditev (od SD in HD do 4K in 8K), podpira video z raz\u0161irjenim dinami\u010dnim razponom (HDR, High Dynamic Range) in panoramski video v na\u010dinu 360 stopinj.\n<li class=\"l\"> Dodana je mo\u017enost pospe\u0161evanja dekodiranja VVC z uporabo tehnologije Intel QSV (Quick Sync Video).\n<li class=\"l\"> Dodani so VVC kodirnik, realiziran s pomo\u010djo knji\u017enice libvvenc.\n<li class=\"l\"> Izvedena je mo\u017enost dekodiranja videa v formatu MV-HEVC (Multiview High Efficiency Video Coding), ki se uporablja v virtualnih slu\u0161alkah in na pametnih telefonih za prenos stereoskopskega videa.\n<li class=\"l\"> Dodana je dekoder za LCEVC standard video kodiranja, implementiran na osnovu eksterne biblioteke LCEVCdec. LCEVC dodaje dodatni sloj sa metapodacima za pobolj\u0161anje kvaliteta ve\u0107 postoje\u0107ih H.26x i MP4\/ISOBMFF kodeka.\n<li class=\"l\"> U muxer-ima medijskih kontejnera Matroska i MP4\/MOV implementirano je parsiranje i pisanje metapodataka sa informacijama o obrezivanju videa (na primer, kada se prikazuje na ekranima sa razli\u010ditim odnosima stranica).\n<li class=\"l\"> Dodata je podr\u0161ka za kodiranje i dekodiranje zvuka u formatima LC3 i LC3plus, optimizovanim za prenos zvuka sa minimalnim ka\u0161njenjima (na primer, koristi se u Bluetooth slu\u0161alicama). Implementacija se zasniva na eksternoj biblioteci liblc3. Dodati su dekoderi i enkoderi medijskih kontejnera za LC3 i LC3plus.\n<li class=\"l\"> Dodata je podr\u0161ka za dekodiranje zvuka u formatima AAC, AMR-NB, AMR-WB i MP3, koriste\u0107i MediaCodec API koji pru\u017ea Android platforma.\n<li class=\"l\"> Dodata je D3D12VA HEVC enkoder, koja implementira hardversko ubrzanje putem D3D12 API.\n<li class=\"l\"> Dodati su dekoder za titlove u RCWT (Raw Captions with Time) formatu.\n<li class=\"l\"> Prekida se podr\u0161ka za DEC Alpha DSP.\n<li class=\"l\"> Dodati su izvor videa koji generi\u0161e Perlinov \u0161um.\n<li class=\"l\"> Za kodeke i filtere implementiran je proces uskla\u0111ivanja YUV kolor prostora.\n<li class=\"l\"> Dodati su filteri pad_vaapi i drawbox_vaapi za dodavanje ivica i okvira videu.      <\/ul>\n<p>Izvor: <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 5.0.4 - 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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