{"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\/ro\/blog\/news\/vypusk-multimedia-paketa-ffmpeg-7-1","title":{"rendered":"Lansarea pachetului multimedia FFmpeg 7.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dup\u0103 \u0219ase luni de dezvoltare, pachetul multimedia FFmpeg 7.1 este disponibil, incluz\u00e2nd un set de aplica\u021bii \u0219i o colec\u021bie de biblioteci pentru opera\u021biuni asupra diverselor formate multimedia (captur\u0103, conversie \u0219i decodare a formatelor audio \u0219i video). Pachetul este scris \u00een limbajul C \u0219i este distribuit sub licen\u021bele LGPL \u0219i GPL.            <\/p>\n<p>Printre schimb\u0103rile din FFmpeg 7.1:   <\/p>\n<ul>\n<li class=\"l\"> S-au ad\u0103ugat codec-uri video \u00een formatele H.264 \u0219i H.265, care utilizeaz\u0103 extensiile API-ului grafic Vulkan pentru accelerarea hardware-ului cod\u0103rii video. Din punct de vedere al capacit\u0103\u021bilor, codec-urile bazate pe Vulkan sunt identice celor disponibile anterior, care foloseau VAAPI pentru accelerare.\n<li class=\"l\"> Pachetul include un decodor propriu pentru formatul de codificare audio xHE-AAC (care suport\u0103 un subset AAC USAC), folosit \u00een streaming-ul Netflix \u0219i implicat \u00een tehnologiile de radiodifuziune digital\u0103 Digital Radio Mondiale. Codec-ul se remarc\u0103 prin suportul pentru o gam\u0103 larg\u0103 de bit rate (de la 12 la 300 kbit\/s), un grad ridicat de compresie, facilit\u0103\u021bi de redare cu volum constant, asigur\u00e2nd o claritate \u00eenalt\u0103 la orice niveluri de volum, profili suplimentari pentru gestionarea gamei dinamice \u00een medii zgomotoase \u0219i ad\u0103ugarea de metadate care permit recuperarea pierderilor la partea de recep\u021bie.\n<li class=\"l\"> A fost anun\u021bat\u0103 o implementare stabil\u0103 a decodorului pentru formatul VVC (Versatile Video Coding), cunoscut \u0219i sub numele de standardul de comprimare video H.266, dezvoltat \u00eempreun\u0103 de grupurile de lucru MPEG (ISO\/IEC JTC 1) \u0219i VCEG (ITU-T), cu participarea unor companii precum Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm \u0219i Sony. H.266 este succesorul H.265 (HEVC) \u0219i ofer\u0103 o eficien\u021b\u0103 ridicat\u0103 \u00een transmiterea \u0219i stocarea tuturor rezolu\u021biilor de ecran (de la SD \u0219i HD la 4K \u0219i 8K), suport\u00e2nd video cu gam\u0103 dinamic\u0103 extins\u0103 (HDR, High Dynamic Range) \u0219i video panoramic \u00een mod 360 grade.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 posibilitatea acceler\u0103rii decod\u0103rii VVC folosind tehnologia Intel QSV (Quick Sync Video).\n<li class=\"l\"> A fost ad\u0103ugat un codec VVC, implementat prin utilizarea bibliotecii libvvenc.\n<li class=\"l\"> A fost implementat\u0103 o capacitate de decodare a video-ului \u00een format MV-HEVC (Multiview High Efficiency Video Coding), folosit \u00een c\u0103\u0219tile de realitate virtual\u0103 \u0219i pe smartphone-uri pentru transmiterea video stereoscopic.\n<li class=\"l\"> A fost ad\u0103ugat un decodor pentru standardul de codare video LCEVC, implementat pe baza bibliotecii externe LCEVCdec. LCEVC adaug\u0103 un strat suplimentar cu metadate pentru a \u00eembun\u0103t\u0103\u021bi calitatea codec-urilor existente H.26x \u0219i MP4\/ISOBMFF.\n<li class=\"l\"> \u00cen muxer-ele containerelor media Matroska \u0219i MP4\/MOV, a fost implementat\u0103 analiza \u0219i \u00eenregistrarea metadatelor cu informa\u021bii despre t\u0103ierea video (de exemplu, la redarea pe ecrane cu un alt raport de aspect).\n<li class=\"l\"> A fost ad\u0103ugat suport pentru codarea \u0219i decodarea sunetului \u00een formatele LC3 \u0219i LC3plus, optimizate pentru transmiterea sunetului cu \u00eent\u00e2rzieri minime (de exemplu, utilizate \u00een c\u0103\u0219tile Bluetooth). Implementarea se bazeaz\u0103 pe biblioteca extern\u0103 liblc3. Au fost ad\u0103ugate demuxere \u0219i muxere pentru formatele LC3 \u0219i LC3plus.\n<li class=\"l\"> A fost ad\u0103ugat suport pentru decodarea sunetului \u00een formatele AAC, AMR-NB, AMR-WB \u0219i MP3, folosind API-ul MediaCodec oferit de platforma Android.\n<li class=\"l\"> A fost ad\u0103ugat un codificator D3D12VA HEVC, care implementeaz\u0103 accelerare hardware prin API-ul D3D12.\n<li class=\"l\"> A fost ad\u0103ugat un demuxer pentru subtitr\u0103ri \u00een formatul RCWT (Raw Captions with Time).\n<li class=\"l\"> A fost \u00eentrerupt suportul pentru DEC Alpha DSP.\n<li class=\"l\"> A fost ad\u0103gat o surs\u0103 video care genereaz\u0103 zgomot Perlin.\n<li class=\"l\"> Pentru codec-uri \u0219i filtre, a fost implementat un proces de potrivire a spa\u021biului de culoare YUV.\n<li class=\"l\"> Au fost ad\u0103ugate filtrele pad_vaapi \u0219i drawbox_vaapi pentru a ad\u0103uga margini \u0219i cadre la video.      <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61961\">opennet.ro<\/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 5.0.2.1 - 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 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