M4V Izixhobo

Guqula M4V ukuya nokubuya kwiifomathi ezahlukeneyo

Malunga M4V

I-M4V yifomati yefayile yevidiyo ephuhliswe nguApple. Iyafana neMP4 kwaye iqhele ukusetyenziselwa ukudlala ividiyo kwizixhobo zeApple.

Iindlela Ezisetyenziswa Ngazo Eziqhelekileyo

iTunes video
Apple TV content
Protected video

M4V Imibuzo Ebuzwa Rhoqo Ngokuguqula

Yintoni i-M4V video file?

I-M4V yindawo yokugcina ye-Apple QuickTime. I-iPhone, i-iPad kunye ne-Mac zirekhoda ividiyo kwi-M4V ngokumiselweyo. Ifomati ixhasa i-H.264, HEVC, ProRes, ii-audio tracks ezininzi, izihloko kunye nabaphawuli besiqendu. I-M4V igcina abaphawuli besiqendu, umsebenzi wobugcisa kunye nengoma yesihloko esingaphantsi kwisimo i-Apple TV app ilindeleyo, eyona MP4 iqhelekileyo ihlala ilahlekelwa yiyo.

Ingaba ifayili M4V ifana ne MP4 engaphantsi?

Uyilo lwazo lufana. M4V ikhiwa ukusuka kwi ISO Base Media File Format ibhokisi yobeko i MP4 isebenzisa - umthi we atoms ugcina i media data kunye nesalathisi esitsho apho iframe nganye iqala khona. Le yisizathu sokuba uguqulelo phakathi kwabo luya kuba ngumqolo omtsha kunokuba uphinde ukhowudi: imijelo ikopiwe ngaphezulu engaxutywanga kwaye kuphela umqolo uphinde ubhalwe, othatha imizuzwana nakwifayile yobude bezinto eziluncedo. M4V yi-Apple's MP4, esetyenziswa yi-iTunes ne-Apple TV app yefilimu kunye ne-TV.

Kutheni iimveliso zifika njenge M4V?

Kuba ifomati yindawo yokupakisha yonikezelo lwendawo yokuthenga, idityaniswe neenkqubo zayo, kunye, ngento ehlawulwe, kwi-akhawunti yakho. Oku kwenza ukuba kube lula ngaphakathi kwenkqubo ye-ecosystem kwaye kube nzima ngaphandle kwayo. Iifayile ezingatshixiwanga kwi-akhawunti ziguqula ngokuqhelekileyo; ezikhuselekileyo azikwazi ukuvula nganoma uphi umguquli, onokuthi ube yipropathi emiselweyo yefomati kunokuba ibe ngumda apha.

Ingaba i-M4V ifana nefomati yesinye isiqalelo?

Ewe. Eli xhulumaniso negama elide okanye elifutshane obona ngaphaya kwayo lichaza ifomati enye ephantsi, kwaye nantoni na efunda okanye ifunda zombini. Amagama amabini akwimbali: umda wegama lefayile leimpawu ezisibhozo ukusuka kwi DOS yexesha, umboneleli onika igama lodweliso lwenkqubo endaweni yefomati yefayile, okanye iinkqubo ezimbini eziqhelekileyo ezihlukileyo. Uguqulelo lwesibini luvelisa iziphumo ezifanayo, ngoko sebenzisa naluphi na uxhulumaniso isoftware kwinye icala ilindele.

Kutheni i-browser yam ingadlala ifayili M4V?

Iibrawuzeri zithutha abacoci boluhlu olufutshane lweefomati, kwaye M4V ayikho kuyo - ilayisensi, udidi lwe codec ivumela, okanye ubudala bayo bugcina ngaphandle. Ifayile ayilahli kwaye umdlali we desktop uya kuyivula, kodwa akukho nto oyenzayo kwiphepha izakwenza umkhangeli zincwadi uyenze. Ukutshintsha kwi web- native container yindlela ethembekileyo kuphela yokudlala ngaphakathi. I-DRM-ikhuselwe i-M4V ithengiso ayikwazi ukutshintshwa yinto; kuphela iifayili ezikhuselweyo ze-M4V ziyatshintshwa, kwaye abadlali abangama-Apple bafuna uluhlu olubizwa kwakhona.

Ingaba i M4V iyadlala kwifowuni okanye kwiTV ngaphandle kokutywina ibhetri?

Iinkqubo zekhompyutha Ngokusisiseko i-M4V yi-MP4 — H.264 okanye HEVC nge-AAC — ene-Apple FairPlay DRM ekhethiweyo kunye ne-iTunes isithuba se-metadata.

Ingaba M4V igqityiwe?

Ayihambi kude ngokukhawuleza, kodwa inxalenye yayo yefayile ezintsha igcina incinci kwaye isixhobo esincinci esitsha sikhathazeka ukuxhasa. Iifayile ezikhoyo zihlala zifundeka ixesha elide. Indawo esebenzayo kukuba ukugcina uvimba kule fomati ilungile, ngelixa uqala umsinga womsebenzi omtsha kuyo kuthetha ukwamkela iqela elincinci lesoftware.

Ingaba izihloko ezingaphantsi ngaphakathi kwe M4V zikhethwa, okanye zitshiswe kumfanekiso?

Iyakhethwa, ukuba yafakwa kakuhle. M4V ithatha izihloko zesiphelo njengemijelo yabo ekhethekileyo ecaleni kwevidiyo, ngoko umbonisi angatshintsha ulwimi, ayenze isebenze, okanye ayenze kwakhona kumdlali oxhasayo. Izihloko zesiphelo ezitywiniweyo zikwakhona — ziyi-pixels kuphela kwisakhelo — kodwa zihlala zikhona, kwaye akukho nto ibangela ukuba ukhethe xa isiqulatho sixhasa into eyiyo.

Kutheni uguqule M4V ukuba enye ifomati video?

Gcina i-MP4 kwi-M4V xa ufuna ukudlala ngokubanzi - iiseva ze-web, ii-smart TVs kunye nokulungisa iinkqubo zonke zidlala i-MP4 ngokusemthethweni. Gcina kwi-WebM ukufaka i-web apho ubungakanani befayili encinci bubalulekile. Gcina kwi-MOV xa usebenza kwi-Final Cut okanye ezinye ii-Apple-native pipelines.

Ingaba uguqulelo lwe-M4V luphinda luyikhowudi ividiyo?

Xa umbhalo ovela kumbhalo omiselweyo ngaphakathi kwe-M4V uhambelana nombhalo omiselweyo osemqoka siwuguqula ngaphandle kokuphinda ukhowudi (ukhawulezayo, ongenakulahleka). Xa umbhalo omiselweyo kufuneka utshintshwe (umzekelo, i-HEVC ukuya kwi-H.264) ividiyo iphinde ikhowudiwe — ihamba phantsi, ngexabiso elincinci lomgangatho wohlobo.