Sinthani FLV ku MPEG

Sinthani Yanu FLV ku MPEG zolemba molimbika

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Kukweza

Momwe mungasinthire FLV ku MPEG

Gawo 1: Kutumiza wanu FLV kutengerapo ndi kuchotsa mafayilo pogwiritsa ntchito batani pamwambapa kapena ndi Shift ndi dziko.

Gawo 2: Dinani 'Transform' batani kuti ayambe kusintha.

Gawo 3: Yamba wanu anasintha MPEG mafayilo

FLV ku MPEG Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji FLV kupita ku MPEG popanda kuwonongeka kwabwino?

Ikani fayilo yanu ya FLV ndipo wosinthira wathu amagwiritsa ntchito CRF-based re-encode yoyang'anira kutulutsa kwa MPEG (CRF 18 mosalekeza, pansi = kwakukulu / kwakukulu). Codec imasankhidwa kuti igwirizane ndi MPEG kontena (H.264 / H.265 / VP9 / AV1 monga momwe zilili).

Kodi ndi codec iti yomwe MPEG imagwiritsa ntchito?

Izi zimadalira pa galimoto. MP4 defaults kuti H.264 (mkulu playback thandizo); MKV ndi WebM defaults kuti H.265 ndi VP9 mogwirizana kwa bwino compressing pa quality imodzi.

Kodi nyimbo yanga ya audio idzapulumuka kusinthidwa kwa FLV kupita ku MPEG?

Ndiyo — mawu amasinthidwanso (kapena pamene FLV ndi MPEG amagawana mawu codec) kapena amasinthidwanso kukhala AAC / Opus / Vorbis malinga ndi zomwe MPEG zimapereka. Mauthenga ambiri (mawu owonjezera, mauthenga osiyanasiyana) amasungidwa.

Kodi ndingapeze bwanji mitengo yazithunzi yoyamba pamene ndisintha FLV kupita ku MPEG?

Mwa default, chigawo cha framerate sichisintha (FLV 24fps chimakhala 24fps mu MPEG). Ngati mukufuna kusintha (mwachitsanzo, kuphatikizidwa 29.97 → kuwonjezeka 30fps), kugwiritsa ntchito chisankho cha framerate, chomwe chimagwira ntchito yochotsa 3:2 ndi kuchotsa chigawo cha framerate pamodzi.

Kodi pali kusinthana kwa kukula kwa fayilo pakati pa FLV ndi MPEG?

Codec yofanana ndi codec (mwachitsanzo, FLV → MPEG yomwe imagwiritsidwa ntchito ndi H.264) imapanga kukula kwamtunduwu. Zosintha za Codec zitha kusinthidwa kwambiri: H.264 → H.265 zimatha kuchepetsa fayiloyo pamtundu wofanana; H.264 → VP9 ndi yofanana.

Kodi fayilo ya MPEG idzasewera pa iPhone / Android / Smart TV?

MP4 / H.264 amasewera natively kumwamba. MOV / H.264 amasewera pa Apple zipangizo ndi ambiri Smart TVs koma si pa zaka za m'ma 2000 Android. MKV amafuna VLC pa iOS. Advanced options kuphatikizapo "chida kugwirizana" preset kuti amasankha otetezeka codec / chidebe kugwirizana kwa chipangizo chofuna.

Kodi ndi nthawi yayitali bwanji kuti musinthe fayilo ya 1-hour FLV kuti MPEG?

Kusintha kwa codec: 30-60 masekondi (opanda kusinthidwa). Kusintha kwa codec: nthawi zambiri 0.3-0.7x nthawi yoyambira pa GPU yathu, kotero fayilo ya ola limodzi imatha m'maola 18-40.

Kodi ndi chiyani chosinthika kwambiri chothandizira kwa FLV mpaka MPEG?

Kufika pa 8K (7680×4320) pa Premium. Ogwiritsa ntchito aulere ali ndi 4K (3840×2160) pa malire a kukula kwa fayilo. Metadata ya HDR (HDR10, Dolby Vision) imasungidwa pomwe ma kontena a FLV ndi MPEG amathandizira.

Kodi FLV kanema wanga ndi wapadera pamene akukonzekera?

Ndikofunika — zolemba za kanema zimathetsedwa m’malo osiyana ndipo zimathetsedwa m’maola ochepa pambuyo pa kumaliza. Tisamawone, tisamasungi, sitisunga kapena sitigawana zinthu.

Kodi ndingagwiritse ntchito kapena kuchotsa nthawi ya FLV kupita ku MPEG?

Sichingakhale panjira yomweyo - kugwiritsa ntchito / video-trim / kapena / video-cutter / kuti muchepetse pambuyo posintha, kenako mupange mndandanda wa FLV → MPEG. Kudula ndi kusintha m'magulu ndi kosavuta kuposa kubwezeretsa fayilo yonse kuti ikhale yolimba.

Nchifukwa chiyani fayilo ya MPEG imawoneka ngati yosawoneka / yosawoneka poyerekeza ndi FLV yochokera?

Kusintha kwa CRF kuchokera pa bitrate yayikulu FLV kupita pa bitrate yayikulu kwambiri MPEG kumachepetsa kwambiri pazithunzi zokhala ndi mavidiyo ambiri. Sungani CRF mpaka 16-18 (kapena gwiritsani ntchito bitrate yodziwika bwino) ndipo yesaninso kuti mubwezeretse khalidwe.

Kodi wosintha FLV kupita ku MPEG amathandizira ma subtitle?

Ndiyo — ma subtitle ophatikizidwa (mov_text mu MP4, SRT/ASS mu MKV) amasungidwa pamene FLV ndi MPEG ma kontena amawathandizira. Ma subtitle ophatikizidwa (hardsub) amasinthidwa mwamsanga chifukwa ndi gawo la video frame.