AVI → WebM

Guqula Eyakho AVI ukuba WebM iifayile ngokulula

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Iyalayisha

Indlela yokuguqula AVI ukuba WebM

Inyathelo 1: Layisha eyakho AVI iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

Inyathelo lesi-2: Cofa iqhosha elithi 'Guqula' ukuze uqalise ukuguqula.

Inyathelo lesi-3: Khuphela i-converted yakho WebM iifayile

AVI ukuba WebM Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyiguqula njani ikhowudi i AVI ibe yi WebM ngaphandle kokulahlekelwa umgangatho wevidiyo?

Layisha phezulu ifayili yakho AVI kwaye umguquli uqhuba i-CRF-esekelwe kwakhona-ukukopela ukujolisa kwi-visually-lossless WebM imveliso (CRF 18 ngokumiselweyo, amaxabiso aphantsi = ifayili enkulu / umgangatho ophezulu). I-codec ikhethiwe ukuhambelana ne WebM isiqulathi seefayili — H.264 ye-wide-compat MP4, H.265 ye-size-efficient MKV, VP9 ye-WebM, AV1 ye-newer pipelines.

Yeyiphi i-codec yevidiyo esetyenziswa yi-WebM yemveliso?

Ixhomekeke kwi WebM isiqulathi seefayili. I-MP4 imiselwe ukuba i-H.264 ukuze ixhase ukudlala okubanzi phakathi kweefowuni, iibrowser, kunye neSmart TVs. I-MKV imiselwe ukuba i-H.265 / HEVC ukuze ijikeleze i-half of the file size at equivalent quality. I-WebM imiselwe ukuba i-VP9. Iinketho eziphambili zibonisa ukhetho olucacileyo lwe-codec ukuba ufuna ukucima.

Ingaba umculo wam wesandi uya kuqhubeka uguquka AVI ukuya WebM?

Yes. When AVI and WebM share an audio codec (e.g. both carry AAC), audio is re-muxed with no re-encode — bit-identical. When the codecs differ, audio is transcoded to AAC / Opus / Vorbis depending on what the WebM container supports. Multi-track audio (commentary, alternate languages) is preserved.

Ndingagcina i-framerate yokuqala xa ndiguqula i-AVI iye kwi-WebM?

Ngokungagqibekanga ewe — i-24fps AVI ihlala i-24fps kwi-WebM; i-60fps AVI ihlala i-60fps. Ukuba ufuna ukuguqula umyinge (umzekelo, i-interlaced 29.97 → i-progressive 30, okanye i-60 → 30 yokukhuphela umda), ukhetho lobungakanani be-frame luphatha 3:2 ukutsala ezantsi, ukususa uthungelwano, kunye nokuqhekeka kwe-frame kwindlela efanayo yokukopela.

Ingaba ubungakanani befayili butshintsha njani ukusuka kwi AVI ukuya kwi WebM?

I-codec efanayo yoku-mux (AVI H.264 → WebM H.264 itshintsha kuphela isiqulathi seefayili): ubungakanani obufanayo. Utshintsho lwe-codec lunokutshintsha ngokumangalisayo: H.264 → H.265 luya kuquka ifayile kwinqanaba elifanayo lomgangatho obonakalayo; VP9 imalunga nokuthelekiswa; AV1 iquka enye i-20-30% kodwa ihamba phantsi ukukopela.

Ingaba ifayili WebM iyadlala kwi-iPhone, Android, kunye neSmart TVs?

MP4 / H.264 idlala ngokusemthethweni kwisixhobo ngasinye esitsha. MOV / H.264 idlala kwizixhobo zeApple kunye neTV ezininzi kodwa hayi rhoqo kwi-Android edala. MKV ifuna i-VLC kwi-iOS. WebM ikwi-browser-first. Iinketho eziphambili ziquka "ukulungelelanisa isixhobo" esimiselweyo esikhetha i-WebM codec / isiqulathi seefayili esikhuselekileyo so target yakho.

Ithatha ixesha elingakanani ukutshintsha i-AVI yevidiyo yeyure enye ibe yi WebM?

I-Same-codec re-mux ikwindawo efutshane-imizuzu engama-30 ukuya kwengama-60 yefayili yeyure enye. I-codec epheleleyo iqhuba ngokuthe ngqo kwi-0.3-0.7x yobude bomthombo kwi-GPU yethu, ngoko ke i-1-hour AVI → WebM igqiba kwimizuzu engama-18-40 ngokuxhomekeka kwisisombululo kunye ne-codec emiselweyo.

Yintoni ubukhulu bokubonisa obuxhaswa yi AVI ukuya kwi WebM?

Ukuya kwi-8K (7680×4320) kwi-premium plans. Ukuguqulwa simahla kugqityiwe kwi-4K (3840×2160) ngobukhulu befayili nganye. I-HDR metadata (HDR10, HDR10+, Dolby Vision xa ikhona) iqhutywa apho zombini AVI ne WebM iziqulathi zixhasa khona.

Ingaba i-AVI yevidiyo yam ifihlakeleyo ngexesha lokuguqulwa kwi-WebM?

Ewe. Iifayili zevidiyo ezilayishwe phezulu ziqhubekekiswa kubasebenzi ababekwe ngokuzimeleyo, aziboniswanga ngumntu, azikho kwisicwangciso, zicinywa ngaphakathi kwemizuzu yokuphela. Ifestile yokugcina ibhalwe kwi /privacy/ kwaye asipapashi naziphi na iziqu zemfundo ezisuka kubasebenzisi abalayishwe phezulu.

Ndingayicima, ndiyibeke phantsi, okanye ndiyijikelezise ngexesha lokuguqulwa kwe AVI ukuya kwi WebM?

Ayikho kwinyathelo elifanayo — sebenzisa /video-trim/ okanye /video-cutter/ ukucima kuqala, emva koko qhuba u AVI → WebM uguqulelo. Ukudibanisa ukusika nokuguqula kukhawulezayo kune-re-encoding yonke i AVI ukushiya kuphela imifanekiso engasebenziswanga.

Kutheni le nto ifayili WebM imnyama xa kuthelekiswa nomcebo AVI?

I-bitrate-too-low imiselwe rhoqo. Ukunxulumana kwakhona ukusuka kwi-bitrate ephezulu AVI ukuya kwi-CRF emiselweyo WebM ikhupha kakhulu kwimifanekiso enamandla ehambayo. Nciphisa i-CRF ukuya kwi-16-18, okanye misela i-bitrate ecacileyo ehambelanayo ne-AVI, kwaye i-WebM ibuyisela ukubonakala kwayo.

Ingaba i-AVI ukuya kwi-WebM iguqulela iphatha izihloko ezingaphantsi?

Ewe - iingoma zesicatshulwa esifakwe ngaphakathi (mov_text kwi-MP4, SRT/ASS kwi-MKV) zigcinwa xa zombini AVI ne WebM iziqulathi zeefayili zixhasa. Iingoma zesicatshulwa ezitywiniweyo (ezitywiniweyo) zidlulisa ngokuzenzekelayo kuba zihlala kwisakhelo sevidiyo ngokwaso.