{"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\/pl\/blog\/news\/vypusk-multimedia-paketa-ffmpeg-7-1","title":{"rendered":"Wydanie pakietu multimedialnego FFmpeg 7.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po sze\u015bciu miesi\u0105cach prac dost\u0119pny jest pakiet multimedialny FFmpeg 7.1, kt\u00f3ry zawiera zestaw aplikacji i kolekcj\u0119 bibliotek do operacji na r\u00f3\u017cnych formatach multimedialnych (nagrywanie, konwersja i dekodowanie format\u00f3w audio i wideo). Pakiet napisany jest w j\u0119zyku C i rozpowszechniany na licencjach LGPL i GPL.            <\/p>\n<p>W\u015br\u00f3d zmian w FFmpeg 7.1:   <\/p>\n<ul>\n<li class=\"l\"> Dodano kodery wideo w formatach H.264 i H.265, wykorzystuj\u0105ce rozszerzenia graficznego API Vulkan do sprz\u0119towego przyspieszenia kodowania wideo. Kodery oparte na Vulkan maj\u0105 takie same mo\u017cliwo\u015bci jak wcze\u015bniej dost\u0119pne kodery, kt\u00f3re korzysta\u0142y z VAAPI do przyspieszenia.\n<li class=\"l\"> Pakiet zawiera w\u0142asny dekoder formatu kodowania d\u017awi\u0119ku xHE-AAC (wsparte podzbiorem AAC USAC), kt\u00f3ry jest u\u017cywany w transmisji strumieniowej Netflix i wykorzystywany w technologiach cyfrowego radiofonicznego Digital Radio Mondiale. Kodek wyr\u00f3\u017cnia si\u0119 wsparciem dla szerokiego zakresu bitrate'u (od 12 do 300 kbit\/s), wysokim stopniem kompresji, funkcjami odtwarzania z sta\u0142\u0105 g\u0142o\u015bno\u015bci\u0105, zapewniaj\u0105cy wysok\u0105 klarowno\u015b\u0107 przy r\u00f3\u017cnych poziomach g\u0142o\u015bno\u015bci, dodatkowymi profilami zarz\u0105dzania dynamicznym zakresem przy s\u0142uchaniu w ha\u0142a\u015bliwych miejscach oraz dodawaniem metadanych, kt\u00f3re pozwalaj\u0105 na odzyskiwanie strat po stronie odbiorczej.\n<li class=\"l\"> Og\u0142oszono stabiln\u0105 implementacj\u0119 dekodera dla formatu VVC (Versatile Video Coding), znanego r\u00f3wnie\u017c jako standard kompresji wideo H.266, opracowanego wsp\u00f3lnie przez grupy robocze MPEG (ISO\/IEC JTC 1) i VCEG (ITU-T), przy wsp\u00f3\u0142udziale takich firm jak Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm i Sony. H.266 zast\u0119puje H.265 (HEVC) i zapewnia wysok\u0105 efektywno\u015b\u0107 w transmisji i przechowywaniu wszystkich rozdzielczo\u015bci ekranu (od SD i HD po 4K i 8K), wspiera wideo z rozszerzonym dynamicznym zakresem (HDR) oraz wideo panoramiczne w trybie 360 stopni.\n<li class=\"l\"> Dodano mo\u017cliwo\u015b\u0107 przyspieszenia dekodowania VVC z wykorzystaniem technologii Intel QSV (Quick Sync Video).\n<li class=\"l\"> Dodano koder VVC, zrealizowany za pomoc\u0105 biblioteki libvvenc.\n<li class=\"l\"> Zrealizowano mo\u017cliwo\u015b\u0107 dekodowania wideo w formacie MV-HEVC (Multiview High Efficiency Video Coding), kt\u00f3ry jest u\u017cywany w he\u0142mach wirtualnej rzeczywisto\u015bci i na smartfonach do transmisji wideo stereoskopowego.\n<li class=\"l\"> Dodano dekoder dla standardu kodowania wideo LCEVC, zaimplementowany na podstawie zewn\u0119trznej biblioteki LCEVCdec. LCEVC dodaje dodatkow\u0105 warstw\u0119 z metadanymi, aby poprawi\u0107 jako\u015b\u0107 istniej\u0105cych kodek\u00f3w H.26x i MP4\/ISOBMFF.\n<li class=\"l\"> W muxerach kontener\u00f3w multimedialnych Matroska i MP4\/MOV zaimplementowano analiz\u0119 i zapis metadanych zawieraj\u0105cych informacje o przycinaniu wideo (na przyk\u0142ad przy wy\u015bwietlaniu na ekranach o innym proporcjach bok\u00f3w).\n<li class=\"l\"> Dodano wsparcie dla kodowania i dekodowania d\u017awi\u0119ku w formatach LC3 i LC3plus, zoptymalizowanych do przesy\u0142ania d\u017awi\u0119ku z minimalnymi op\u00f3\u017anieniami (na przyk\u0142ad u\u017cywanych w s\u0142uchawkach Bluetooth). Realizacja opiera si\u0119 na zewn\u0119trznej bibliotece liblc3. Dodano dekodery i muxery dla kontener\u00f3w multimedialnych LC3 i LC3plus.\n<li class=\"l\"> Dodano wsparcie dla dekodowania d\u017awi\u0119ku w formatach AAC, AMR-NB, AMR-WB i MP3, korzystaj\u0105c z API MediaCodec dostarczonego przez platform\u0119 Android.\n<li class=\"l\"> Dodano kodera D3D12VA HEVC, realizuj\u0105cego przyspieszenie sprz\u0119towe przez API D3D12.\n<li class=\"l\"> Dodano dekoder napis\u00f3w w formacie RCWT (Raw Captions with Time).\n<li class=\"l\"> Zaprzestano wsparcia dla DSP DEC Alpha.\n<li class=\"l\"> Dodano \u017ar\u00f3d\u0142o wideo generuj\u0105ce szum Perlin.\n<li class=\"l\"> Dla kodek\u00f3w i filtr\u00f3w zaimplementowano proces negocjacji przestrzeni kolor\u00f3w YUV.\n<li class=\"l\"> Dodano filtry pad_vaapi i drawbox_vaapi do dodawania margines\u00f3w i ramek do wideo.      <\/ul>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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