{"id":99691,"date":"2021-04-09T10:22:48","date_gmt":"2021-04-09T08:22:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-multimedia-paketa-ffmpeg-4-4"},"modified":"2021-04-09T10:22:48","modified_gmt":"2021-04-09T08:22:48","slug":"vypusk-multimedia-paketa-ffmpeg-4-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/vypusk-multimedia-paketa-ffmpeg-4-4","title":{"rendered":"Izdanje multimedijskog paketa FFmpeg 4.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nakon deset mjeseci razvoja, dostupan je multimedijski paket FFmpeg 4.4, koji uklju\u010duje skup aplikacija i kolekciju biblioteka za operacije sa razli\u010ditim multimedijskim formatima (snimanje, konvertiranje i dekodiranje audio i video formata). Paket se distribuira pod LGPL i GPL licencama, a razvoj FFmpeg-a odvija se paralelno s projektom MPlayer.     <\/p>\n<p>Od promjena unesenih u FFmpeg 4.4, isti\u010du se:   <\/p>\n<ul>\n<li class=\"l\"> Implementirana je mogu\u0107nost kori\u0161tenja VDPAU API-ja (Video Decode and Presentation) za hardversko ubrzanje dekodiranja videa u HEVC\/H.265 (10\/12bit) i VP9 (10\/12bit) formatima.\n<li class=\"l\"> Osigurana je podr\u0161ka za dekodiranje videa u AV1 formatu uz kori\u0161tenje hardverskih ubrziva\u010da NVIDIA NVDEC i Intel QSV (Quick Sync Video), kao i kori\u0161tenjem DXVA2\/D3D11VA API-ja.\n<li class=\"l\">Dodana je mogu\u0107nost kodiranja AV1 u monokromatskom re\u017eimu koriste\u0107i biblioteku libaom (potrebna je verzija 2.0.1 ili novija).\n<li class=\"l\"> Implementirana je mogu\u0107nost kodiranja videa u AV1 formatu koriste\u0107i SVT-AV1 (Scalable Video Technology AV1) enkoder, koji koristi mogu\u0107e hardversko paralelno procesiranje unutar modernih Intel CPU-a.\n<li class=\"l\"> Dodavana su ure\u0111aja za izvoz putem AudioToolbox frameworka.\n<li class=\"l\"> Dodana podr\u0161ka za protokol &#171;gophers&#187; (gopher preko TLS).\n<li class=\"l\"> Dodana je podr\u0161ka za RIST (Reliable Internet Stream Transport) protokol koriste\u0107i librist.\n<li class=\"l\"> Uklonjena je podr\u0161ka za enkoder temeljen na libwavpack.\n<li class=\"l\"> Dodani su novi dekodera: AV1 (s hardverskim ubrzanjem dekodiranja), AV1 (putem VAAPI), AVS3 (uz libuavs3d), Cintel RAW, PhotoCD, PGX, IPU, MobiClip Video, MobiClip FastAudio, ADPCM IMA MOFLEX, Argonaut Games Video, MSP v2 (Microsoft Paint), Simbiosis IMX, Digital Pictures SGA.\n<li class=\"l\"> Dodani su novi enkoderi: RPZA, PFM, Cineform HD, OpenEXR, SpeedHQ, ADPCM IMA Ubisoft APM, ADPCM Argonaut Games, High Voltage Software ADPCM, ADPCM IMA AMV, TTML (titlovi).\n<li class=\"l\"> Dodani su media container muxeri: AMV, Rayman 2 APM, ASF (Argonaut Games), TTML (titlovi), LEGO Racers ALP (.tun i .pcm).\n<li class=\"l\"> Dodani su media container demuxeri: AV1 (Low overhead bitstream), ACE, AVS3, MacCaption, MOFLEX, MODS, MCA, SVS, BRP (Argonaut Games), DAT, aax, IPU, xbm_pipe, binka, Simbiosis IMX, Digital Pictures SGA, MSP v2 (Microsoft Paint).\n<li class=\"l\"> Dodani su novi parseri: IPU, Dolby E, CRI, XBM.\n<li class=\"l\"> Novi filteri:\n<ul>\n<li class=\"l\"> chromanr &#8212; smanjuje \u0161um boje na videu.\n<li class=\"l\"> afreqshift i aphaseshift &#8212; provode pomak frekvencije i faze zvuka.\n<li class=\"l\"> adenorm &#8212; dodaje \u0161um odre\u0111ene razine.\n<li class=\"l\"> speechnorm &#8212; izvr\u0161ava normalizaciju govora.\n<li class=\"l\"> asupercut &#8212; izdvaja iz zvuka frekvencije iznad 20 kHz.\n<li class=\"l\"> asubcut &#8212; izdvaja frekvencije subwoofera.\n<li class=\"l\"> asuperpass i asuperstop &#8212; implementacija Butterworthovih filtara.\n<li class=\"l\">  shufflepixels &#8212; reorganizacija piksela u kadrovima videa.\n<li class=\"l\"> tmidequalizer &#8212; primjena efekta vremenskog izjedna\u010davanja videa (Temporal Midway Video Equalization).\n<li class=\"l\"> estdif &#8212; uklanjanje me\u0111uslikovnosti kori\u0161tenjem algoritma Edge Slope Tracing.\n<li class=\"l\"> epx &#8212; filtar za pove\u0107anje radi stvaranja pikselne grafike.\n<li class=\"l\"> shear &#8212; pomak transformacija videa.\n<li class=\"l\"> kirsch &#8212; primjena Kirschovog operatora na video.\n<li class=\"l\"> colortemperature &#8212; pode\u0161avanje boje temperature videa.\n<li class=\"l\"> colorcontrast &#8212; pode\u0161avanje boja kontrasta izme\u0111u RGB komponenata za video.\n<li class=\"l\"> colorcorrect &#8212; pode\u0161avanje balansa bijele boje za video.\n<li class=\"l\"> colorize &#8212; prekrivanje boje na videu.\n<li class=\"l\"> exposure  &#8212; pode\u0161avanje razine ekspozicije za video.\n<li class=\"l\"> monochrome &#8212; pretvaranje kolor videa u nijanse sive.\n<li class=\"l\"> aexciter &#8212; generiranje visokofrekventnih komponenti zvuka koje nedostaju u izvornom signalu.\n<li class=\"l\"> vif i msad &#8212; odre\u0111ivanje koeficijenata VIF (Visual Information Fidelity) i MSAD (Mean Sum of Absolute Differences) za procjenu razlika izme\u0111u dva videa.\n<li class=\"l\"> identity &#8212; odre\u0111ivanje razine razlika izme\u0111u dva videa.\n<li class=\"l\"> setts &#8212; postavlja PTS (presentation time stamp) i DTS (decoding time stamp) u paketima (bitstream).          <\/ul>\n<\/ul>\n<\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54930\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0435\u0441\u044f\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 4.4, \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 \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, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 FFmpeg \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0441\u043c\u0435\u0436\u043d\u043e \u0441 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c MPlayer. \u0418\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0432 FFmpeg 4.4, \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0434\u0435\u043b\u0438\u0442\u044c: \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f API VDPAU (Video Decode [&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-99691","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 \u0434\u0435\u0441\u044f\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 4.4, \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 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