MPG → WebM

Guqula Eyakho MPG kuya WebM amafayela kalula

Khetha amafayela akho

noma cindezela bese ususa amafayela akho lapha

I-Free Plan: 1 Ukushintsha/ihora · Iya ngaphandle komkhawulo →

Tshintsha amafayela mahhala, Pro abasebenzisi bangaguqula amafayela amakhulu kakhulu; Bhala manje

Ukulayisha

Indlela yokuguqula MPG kuya WebM

Isinyathelo 1: Layisha eyakho MPG amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho WebM amafayela

MPG kuya WebM Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiyifaka kanjani ikhowudi MPG ku WebM ngaphandle kokulahlekelwa ukhwalithi yevidiyo?

Layisha phezulu ifayela lakho MPG futhi umguquli uqhuba i-CRF-based re-encode ebhekisa ku-visually-lossless WebM output (CRF 18 ngokuzenzakalela, amaxabiso aphansi = ifayela elikhulu / umgangatho ophezulu). I-codec ikhethiwe ukufana ne-WebM container — H.264 for broad-compat MP4, H.265 for size-efficient MKV, VP9 for WebM, AV1 for newer pipelines. Okuqukethwe yi-MPEG-1 noma i-MPEG-2 video ne-MP2 umsindo; ukuxhuma kanye nesakhiwo se-GOP kufana nehele le-.mpeg. WebM idinga ukucophelela: VP8 noma VP9 ividiyo (AV1 manje) nge Vorbis noma Opus umsindo, futhi akukho okuthile okuningi.

I-MPG yami ibonisa ama-comb lines ekuhambeni - ngabe lokhu kuzodluliselwa ku-WebM?

Kuzokwenzeka uma ungasebenzisi i-deinterlace, futhi MPG okuqukethwe kuvame ukuxhunywa ngoba ifomu livela esikhathi sokusabalalisa ne-DVD. Amafreyimu axhunywe agcina ama-fields amabili aphakathi nendawo aphezulu athathwe ngengxenye yesihlanu yesibili; kufoni noma kumboniso oqhubekayo-oqhubekayo ofunda njenge-horizontal combing nganoma yini ehambayo. Vula ukhetho lokuxhunyaniswa futhi umbhalo-mqoka uxhuma ama-fields kuwo wonke ama-frames aqhubekayo ngaphambi kokubhala i-WebM. MPG iyi-MPEG i-program stream efanayo ne-.mpeg — isibonisi sokubhala esithathu siyi-DOS-era truncation, hhayi i-format ehlukile.

Ingabe ngizongeza izihloko ezikhethiwe uma ifayela liyi WebM?

Yebo. MPG ayinaso isikhala esisetshenziswayo sesihloko esilula, ngakho isikhala sesihloko se MPG kufanele sifakwe kusithombe noma sithunyelwe njengefayela le-sidecar elilodwa. WebM sifaka isikhala sesihloko njenge-stream ekhethiwe, ngakho ngemuva kokuguqulwa ungafaka isikhala se-SRT okubonayo angashintsha, ashintshe noma aphinde ashintshe.

I MPG yami inezinhlamvu zomsindo eziningi — zingaba zonke zihlala ngaphakathi kwe WebM?

Akunakuthembeka. MPG igcina imisindo eminingi njengezingoma zohlobo lokuqala, kodwa WebM uxhaso lokudlala ngaphezu kwengoma yokuqala akulingani, ngakho abadlali abaningi bazoveza kuphela eyodwa. Khetha ingoma oyifunayo ngaphambi kokuguqula; abanye bakhishwa kahle kumafayela abo ngaphezu kokushiya emgodini ofihlayo. MPG yisibonisi sesoftware ye-DVD, ama-camcorders adala kanye nezixhobo zokusakaza ziyazi, ngakho ihlala isetshenziswa ezipayipini. WebM ilungile encane noma kuphi ngaphandle kwe-browser - ama-video editors, amafoni 'ama-galleries asekhaya nama-Smart TVs ahlala engaziboni.

Ingabe i-WebM izodlala kwi-browser uma i-MPG ingadlalanga?

Yebo, futhi lokho kuyisizathu esiphelele sokuguqulwa. I MPG efakwe kwikhasi lewebhu ibonisa umdlali okhubazekile noma icindezela ukulayisha, ngoba iziphequluli azikho izikhombisi ezizo. WebM idlala ngaphakathi ngengxenye yevidiyo ye-HTML5 engavamile ngaphandle kweplugin noma kusetshenziswa okungaphandle. I-WebM idlala ngokusemthethweni kuwo wonke umsakazo omusha ngaphandle kweplugin, ngaphandle kwelayisense nemali yokuboshwa, okuyenza ibe yiphutha levidiyo efakwe kwi-web.

Ingabe kufanelekile ukushintsha ama-MPG ama-records adala ku-WebM?

Noma yini ofuna ukuyigcina, yebo. MPG ihlobene nohlobo oludlule lwevidiyo nesoftware efunda ngayo ihlala ihamba ihamba isuka kumafoni, iziphequluli nezinhlelo zokusebenza. Ukusuka kwevidiyo ku WebM manje, uma umqokeli ohlanzekile ukhona, kuyinto ehlukile phakathi kwegobo lomlando ongavula ngawo iminyaka eyisithupha nenye ongayenza. MPG ithola wonke ama MPEG-2 amaphutha - i-bitrate enzima, ukuxhuma, akukho ngezansi okuthambile - kanye nokungqubuzana kwezinhlamvu ezimbili ezibanzi zefomethi eyodwa.

Yini i-codec yevidiyo i WebM isebenzisa?

Kuxhomekeka ku WebM isiqoqi. MP4 iphutha ku-H.264 ukuze kuxhaswe ukusakazwa okubanzi phakathi kwamafoni, amabhuleki, nama-Smart TVs. MKV iphutha ku-H.265 / HEVC ukuze kufinyelelwe isigamu sesayizi yefayela ngekhwalithi elinganayo. WebM iphutha ku-VP9. Izinketho ezithuthukisiwe zibonisa ukhetho lwe-codec olucacile uma ufuna ukucima. I-WebM iyingxenye eqinile ye-Matroska eshicilelwe yi-Google ngo-2010 ekhethekile ekubeni i-HTML5 ividiyo ifakwe ibhokisi elikhululekile.

Ingabe umsindo wami uzohlala ukhona MPG kuya ku WebM?

Yebo. Uma MPG ne WebM bebelana nge-codec yomsindo (isibonelo, zombili zifaka i-AAC), umsindo uphinde uhlukaniswe ngaphandle kokuphindeka kokufaka uphawu — okufanayo. Uma ama-codecs ahluka, umsindo uguqulwa ku-AAC / Opus / Vorbis ngokuya ngoWebM ibhokisi lokusekela. Umsindo we-multi-track (umbono, izilimi ezihlukile) ugcinwa.

Ingabe ngigcina ifreyimu yesiqalo uma ngiguqula MPG ku WebM?

Ngokungajwayelekile yebo — i-24fps MPG ihlala i-24fps ku-WebM; i-60fps MPG ihlala i-60fps. Uma ufuna ukuguqula isilinganiso (isibonelo, i-interlaced 29.97 → progressive 30, noma i-60 → 30 uku-upload amalimi), isinqumo se-framerate siphatha 3:2 uku-pulldown, deinterlacing, ne-frame-blending ku-code pass efanayo.

Ingabe ubukhulu befayela bushintsha kanjani kusuka ku MPG kuya ku WebM?

Same-codec re-mux (MPG H.264 → WebM H.264 ushintsha isihlungi kuphela): ubukhulu obufana kakhulu. Ushintsho lwe-codec lungashintsha ngokujulile: H.264 → H.265 kufaka ihele ngengxenye ngaleyo khwalithi yokubuka efanayo; VP9 ifana kakhulu; AV1 ihlukanisa ezinye 20-30% kodwa ihamba kancane ukukopela.

Ingabe ihele WebM lizodlala ku-iPhone, Android, ne-Smart TVs?

MP4 / H.264 idlala ngokusemthethweni kuwo wonke amadivayisi amanje. MOV / H.264 idlala kumadivayisi we-Apple namanye ama-TV kodwa ahlala e-Android edlule. I-MKV idinga i-VLC ku-iOS. I-WebM iyisiphequluli sokuqala. Izinketho ezithuthukisiwe zifaka "ukuxhumana kwedivayisi" okusetshenzisiwe okukhetha i-WebM codec / ibhokisi eliphephile kakhulu lenjongo yakho.

Ingabe kuthatha isikhathi esingakanani ukushintsha i-MPG ividiyo yehora elilodwa ibe yi-WebM?

I-same-codec re-mux ifinyelela ngokushesha — 30 kuya ku-60 imizuzwana yefayela lehora elilodwa. I-codec ephelele iphinde ikhodeke isebenza ngokuyisisekelo 0.3-0.7x isikhathi somthombo ku-GPU yethu, ngakho-ke i-1-hour MPG → WebM iphele ngemizuzu engu-18-40 ngokuya ngesinqumo ne-codec ethengiswayo.