{"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\/et\/blog\/news\/vypusk-multimedia-paketa-ffmpeg-7-1","title":{"rendered":"FFmpeg 7.1 multimeedia paketi v\u00e4ljaanne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e4rast kuue kuu arendust on saadaval multimeediapaket FFmpeg 7.1, mis sisaldab rakenduste komplekti ja kogu raamatukogusid erinevate multimeediaformaatide (heli ja video salvestamine, konverteerimine ja dekodeerimine) t\u00f6\u00f6tlemiseks. Pakett on kirjutatud C keeles ja levitakse LGPL ja GPL litsentside all.            <\/p>\n<p>FFmpeg 7.1 muudatuste hulgas:   <\/p>\n<ul>\n<li class=\"l\"> On lisatud video kodeerijad formaatides H.264 ja H.265, mis kasutavad graafika API Vulkan laiendusi video kodeerimise riistvaraliseks kiiremaks t\u00f6\u00f6tlemiseks. V\u00f5imaluste poolest on Vulkanil baseeruvad kodeerijad identsetes varem kergesti k\u00e4tte saadavates kodeerijates, mis kasutasid kiirendamiseks VAAPI-d.\n<li class=\"l\"> Komplekti on lisatud kohandatud dekooder heli kodeerimisformaadi xHE-AAC jaoks (toetatakse AAC USAC alamkogumit), mida kasutatakse Netflixi voogesituses ja kasutakse digitaalraadiotehnoloogiate Digital Radio Mondiale raames. Koodek on t\u00e4helepanuv\u00e4\u00e4rt, kuna see toetab laia bitikiirus vahemikku (12 kuni 300 kbit\/s), k\u00f5rget tihendust, pideva helitugevuse taasesitusfunktsioonide, k\u00f5rge selguse tagamise mistahes helitasemel, t\u00e4iendavate d\u00fcnaamilise vahemiku juhtimisprofiilide olemasolu m\u00fcrarikkas keskkonnas kuulamiseks ning metainformatsiooni lisamine, mis v\u00f5imaldab taastada kadusid vastuv\u00f5tja poolel.\n<li class=\"l\"> Kuulutati v\u00e4lja stabiilne rakendus VVC (Versatile Video Coding) dekooderile, tuntud ka kui H.266 video tihendamise standard, mille on v\u00e4lja t\u00f6\u00f6tanud \u00fchiselt MPEG (ISO\/IEC JTC 1) ja VCEG (ITU-T) t\u00f6\u00f6grupid, osalevate ettev\u00f5tetega nagu Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm ja Sony. H.266 asendab H.265 (HEVC) ja tagab k\u00f5rge edastamis- ja salvestus efektiivsuse k\u00f5ikide ekraanide eraldusv\u00f5imetega (alates SD ja HD kuni 4K ja 8K), toetab videoid laiendatud d\u00fcnaamilise vahemiku (HDR, High Dynamic Range) ja 360-kraadise panoraamvideo.\n<li class=\"l\"> Sisse on viidud v\u00f5imalus VVC dekodeerimise kiirendamiseks, kasutades Intel QSV (Quick Sync Video) tehnoloogiat.\n<li class=\"l\"> Lisatud on VVC kodeerija, mis on v\u00e4lja t\u00f6\u00f6tatud libvvenc raamatukogu kaudu.\n<li class=\"l\"> On rakendatud MV-HEVC (Multiview High Efficiency Video Coding) video dekodeerimise v\u00f5imalus, mida kasutatakse virtuaalreaalsuse kiivrites ja nutitelefonides stereoskoopilise video edastamiseks.\n<li class=\"l\"> Lisatud on LCEVC video kodeerimisstandardi dekooder, mis on rakendatud v\u00e4lise LCEVCdec teegi baasil. LCEVC lisab olemasolevatele H.26x ja MP4\/ISOBMFF koodekite kvaliteeti parandamiseks t\u00e4iendava metaandmete taseme.\n<li class=\"l\"> Matroska ja MP4\/MOV media pakkujate (muxer) sees on rakendatud video k\u00e4rpimise teavet sisaldavate metaandmete anal\u00fc\u00fcs ja salvestamine (n\u00e4iteks erineva kuvasuhega ekraanidel esitamise korral).\n<li class=\"l\"> Lisatud support LC3 ja LC3plus helide kodeerimiseks ja dekodeerimiseks, mis on optimeeritud heli edastamiseks minimaalse viivitusega (nt kasutatakse Bluetooth k\u00f5rvaklappides). Rakendus p\u00f5hineb v\u00e4listel liblc3 teekidel. Toodetud on LC3 ja LC3plus jaoks vajalikud dekooderid ja pakkumisprotsessid.\n<li class=\"l\"> Lisatud toetus AAC, AMR-NB, AMR-WB ja MP3 helide dekodeerimiseks, kasutades Androidi platvormi pakutavat MediaCodec API-d.\n<li class=\"l\"> Lisatud D3D12VA HEVC kodeerija, mis rakendab riistvaralist kiirendust D3D12 API kaudu.\n<li class=\"l\"> Lisatud RCWT (Raw Captions with Time) formaadi subtiitrite dekooder.\n<li class=\"l\"> DEC Alpha DSP toetus on l\u00f5petatud.\n<li class=\"l\"> Lisatud videoallikas, mis genereerib Perlin'i m\u00fcra.\n<li class=\"l\"> Koodekite ja filtrite jaoks on rakendatud YUV v\u00e4rviruumi \u00fchtlustamise protsess.\n<li class=\"l\"> Lisatud pad_vaapi ja drawbox_vaapi filtrid videole vahede ja raamide lisamiseks.      <\/ul>\n<p>Allikas: <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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