M4V ndi Apple mtundu wa MP4 kuti angagwiritsidwe ntchito FairPlay DRM, amene ndi zimene amaletsa ena osewera kuchokera kutsegulira.
Ntchito Zofala
iTunes video
Apple TV content
Protected video
M4V Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndi M4V kanema fayilo?
+
M4V ndi Apple QuickTime wonyamula. iPhones, iPads ndi Macs kujambula kanema kuti M4V mwa kuipa. The mtundu amathandiza H.264, HEVC, ProRes, angapo audio nyimbo, captions ndi Chapter olemba. M4V amasunga Chapter olemba, ntchito zojambulajambula ndi subtitle nyimbo mu mawonekedwe a Apple TV app amayembekezera, amene MP4 mosavuta nthawi zambiri amawononga.
Kodi fayilo ya M4V ndi yofanana ndi MP4 pansipa?
+
M4V imapangidwa kuchokera ku katundu wofanana wa ISO Base Media File Format katundu wa MP4 - mchere wa atomu wokhala ndi deta ya media komanso index yomwe ikunena kuti pomwe aliyense wa frame iyamba. Izi ndichifukwa chake kusintha pakati pawo nthawi zambiri ndi rewrap kuposa kubwezeretsa: ma streams amakopedwa mosakhudzana ndipo wosindikiza yekha amasinthidwa, zomwe zimatenga masekondi ngakhale pa fayilo yazaka zambiri. M4V ndi mtundu wa Apple wa MP4, ntchito ndi iTunes ndi Apple TV app kwa mafilimu ndi TV ziwonetsero za.
Nchifukwa chiyani malonda amafika ngati M4V?
+
Chifukwa cha mtunduwu ndi wogulitsa wogulitsa, wogwirizana ndi mapulogalamu ake, komanso, kwa zolemba zolipira, ku akaunti yanu. Izi ndizo zomwe zimapangitsa kuti zikhale zosavuta m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko omwe ali m'maiko
Kodi M4V ndi mtundu umodzi monga momwe zimakhalira?
+
Yes.
N'chifukwa chiyani msakatuli wanga sadzasewera fayilo ya M4V?
+
Masamba osaka amapereka decoders kwa mndandanda wofupika wa mtundu, ndipo M4V si pa izo - kuvomereza, mtundu wa codec yomwe imalola, kapena nthawi yake yokha imaletsa. Fayilo si yowonongeka ndipo wosewera wa desktop adzatsegula, koma palibe chomwe mungachite patsambalo kuti mupange msakatuli. Kusintha ku web-native container ndi njira yokha yodalirika yosewera pagulu. DRM-kuteteza M4V kugula sangakhale anasinthidwa ndi chilichonse; okha unprotected M4V owona ndi convertable, ndi non-Apple osewera nthawi zambiri ayenera kuwonjezeka anasintha dzina.
Kodi M4V idzasewera pafoni kapena TV popanda kutulutsa batri?
+
Nthawi zambiri ndi choncho, chifukwa ma chips mu mafoni, ma tablet ndi ma televisions amachotsa ma code a ma payloads amtunduwu m’ma silicon osankhidwa osati pa main processor. Izi ndi zosiyana pakati pa kanema womwe umasewera bwino kwa maola awiri ndi wina amene umatentha chipangizocho ndipo umachisiya m’maola asanu ndi awiri. Pamene mtunduwo umagwa pansi ndi kuthandizira kwa app kuposa kuchotsa ma code – codec ndi bwino, wrapper ndi zomwe gallery app ingakane. Structurally M4V ndi MP4 - H.264 kapena HEVC ndi AAC - ndi osankhika Apple FairPlay DRM ndi iTunes bokosi metadata.
Kodi M4V ikuthetsedwa?
+
Sikuti ikuchoka mwamsanga, koma mnda wa mafayilo atsopano umakula ndi zida zina zowonjezera zomwe zimathandiza. Fayilo yoponya imakhala yowerenga kwa nthawi yaitali. Mfundo yothandiza ndi kuti kusamalira archive m'njira imeneyi ndi bwino, koma kukhazikitsa ntchito yatsopano m'njira imeneyi kumatanthauza kuvomereza mtundu wa mapulogalamu omwe akuwonjezeka.
Kodi ma subtitle m'ma M4V amatha kusankhidwa, kapena kuphulika m'zithunzi?
+
Chosankha, ngati zinawonjezeredwa bwino. M4V imabweretsa ma subtitle monga ma stream awo okha kudzera pa kanemayo, kotero woyang'anira angasinthire zinenero, kuzichotsa, kapena kuzisintha m'mpikisano womwe umathandizira. Ma subtitle osungunukanso ndi otheka - ndi pixels okha m'mphepete - koma ndi okhazikika, ndipo nthawi zina sichingakhale chifukwa chosankha iwo pamene chosungira chimathandizira chinthu choyenera.
N'chifukwa Convert M4V kuti wina video mtundu?
+
Konzani M4V kuti MP4 pamene mukufuna kusewera padziko lonse - webusaiti owerenga, zipangizo zamakono, smart TV ndi kusintha mapulogalamu onse kusewera MP4 natively. Konzani WebM kwa webusaiti embedding pamene ochepa kukula kwa fayilo zinthu.
Kodi M4V kusintha re-encode kanema?
+
Ngati codec m'ma M4V ndi yogwirizana ndi chitukuko chofunikira, titha kuwonjezera ma codecs ena (mwachitsanzo, HEVC, H.264) kuti tisinthe kanemayo kuti azikhala ndi mtundu woyenera.
