M4V Zvishandiso

Chinja M4V Kubva kune uye kuenda kune akawanda mafomati

Nezvedu M4V

M4V ndiro Apple mhando MP4 kuti anogona kutakura FairPlay DRM, iyo ndiyo yakati wandei anodzivirira vamwe vatambi kubva kuvhura.

Mashandisirwo Akajairika

iTunes video
Apple TV content
Protected video

M4V Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Chii chinonzi M4V faira?

M4V is an MPEG-4 video container format, similar to MP4 but may include DRM.

Nei kutenga kunobva se M4V?

Nekuti format iri kutengesa kwavo kutumira wrapper, akazvimirira kune yake apps uye, yezvinyorwa zvakabhadharwa, kune yako account. That is what makes it convenient inside that ecosystem and awkward outside it. Files that are not account-locked convert normally; protected ones cannot be opened by any converter, which is a deliberate property of the format rather than a limitation here. M4V ndiro Apple's chimiro cheMP4, anoshandiswa ne iTunes uye Apple TV app for movies and TV episodes.

Nei browser yangu isina kutamba faira M4V?

Mabrowser anotumira decoders kune yakajairika yakaderera runyorwa rwemafomati, uye M4V haasi pazvo - kupihwa mvumo, mhando yecodec inokutendera, kana chete makore ayo anoichengeta kunze. Faira harisi kukuvadzwa uye desktop player ichaivhura, asi hapana chinhu chaunoita kune peji chinoita kuti mubrowser uite. Kushandura kune web-native container ndiyo chete nzira inonzwisisika yekutamba mumisoro. DRM-inodzivirira M4V kutengesa haasi kuchinjaniswa nechimwe chinhu; chete unprotected M4V mafaera vari convertible, uye kwete-Apple vatambi kazhinji vanofanira kuchinja zita rezvirongwa.

I M4V ichatamba pafoni kana TV pasina kusvibisa bhatiri?

Muchokwadi, zvirizvo, nekuti machip mufoni, matablets, uye matelevhizheni anodecode izvi zvakasiyana-siyana zvepamberi muzvigadzirwa zvavo zvakazvipira kusilicon, kwete pakutanga processor. Izvi ndizvo zvinosiyana pakati pevhidhiyo iyo inotamba zvakachena kwemazuva maviri neimwe iyo inopisa chigadzirwa ichi uye inodziya ichi muminutu makumi maviri. Mumwe mufananidzo unodzikira ndewekuti app inotsigira, kwete decoding — codec inoshamisa, wrapper icho chinhu icho gallery app inogona kukanganwa. Structurally M4V ndiro MP4 — H.264 kana HEVC neAAC — nesarudzo Apple FairPlay DRM uye iTunes chitsauko metadata.

Iri M4V ichivharwa?

Hachisi chinhu chinoenda kusvikira zvapera, asi huwandu hwemafaira matsva huchiramba huchidzikira uye mapurojekiti matsva haasi kukwanisa kutsigira izvi. Mafaira aripo acharamba achigona kunyorwa kwenguva yakareba. Kuchengeta archive mune iyi fomati kunoita zvakanaka, asi kuvhura imwe nyowani yekushanda munzira inoreva kubvuma kusvikira ku

Ndeapi mazita ezita mukati me M4V anogona kusarudzwa, kana akasvibiswa muvhidhiyo?

Kusarudza, kana vakawedzerwa zvakanaka. M4V inotakura zvinyorwa sezvavo zvemukati pamwe nevhidhiyo, kuitira kuti muverengi agone kuchinja matauro, kudzima, kana kushandura iwo mumutambo unotsigira. Kupisa-muzvinyorwa zvakare zvinokwanisika - ivo chete pixels muframe - asi ivo vanogara, uye hapana nguva dzose chikonzero chekusarudza ivo kana chikonzero chinotsigira chinhu chakanaka.

Ndinoda Mac kuti ndikwanise kushanda ne M4V mafaera?

Hapana. The format akabuda kubva Apple uye ndechipi zvayo zviwanikwa uye software kugadzirwa ne default, asi faira pachavo vanowanzoitika uye kuverenga zvakanaka dzimwe nzvimbo nezvokukurumidza chikuva. Kuchinjana pano kuitika pa server, saka hapana QuickTime kuisa, hapana Apple hardware uye hapana platform-specific codec pack inobatanidzwa chero kupi munzira.

M4V inochengeta sei zvinyorwa zvechikamu?

Zviri nyore - mabhuku anorarama mu metadata yebhokisi, saka kurodha kwenguva refu kunogona kuendeswa nechikamu sezviri nyore kupfuura nekudhonza mutsetse wekumhanya. Vanogona kurarama nekudzokorora mufananidzo muchikamu chinozivikanwa uye kudonha, zvisina kunaka, neimwe isina nzvimbo yekuisa. Kana mabhuku aripo, zvinokosha kuongorora kuti usati wasarudza chigadzirwa chigadzirwa kupfuura mushure.

Kushandisa M4V kunoda pasipoti?

Codecs zvinoda kuiswa mumidziyo iyi zvinopihwa nemakambani ane kodzero dzezvigadzirwa zvemitambo, uye kupihwa kwazvo kunoitwa nevanhu vanotengesa decoders—foni, browser, uye operating system—nguva yakareba usati wawana faira. Izvi ndizvo zvinoita kuti maforodha aya arambe aripo muhardware uye kuti zvirongwa zvemahara zvekushandisa zvivepo, uye hazvina kuchinja chero chinhu panyaya yekushandura faira yawakawana.

Ndinogona here kushandura zita rekuti extension sezviri pachena, kwete kushandura M4V?

Asi hazvina kuitika kare, uye zvinokosha kuziva kuti nei: kusvikira ndechimwe chiratidzo, uye bytes mukati mezvinyorwa zvakagadzirwa kuti zvive neimwe mhando. Kushandura zita refaira kunokonzera kuti zita riite serisina kunaka, uye chero chinhu chinovhura chinogona kubvisa faira kana kuisa mufananidzo. Mumwe mubvunzo unokosha ndewekuti kana iwe uchida kushandura zita refaira, iwe unofanirwa kuziva kuti ndeipi mhando yefaira iri.

Chii chinoitika kune yangu M4V faira mushure mekushandurwa?

Kukwira uye kushandurwa kwemhedzisiro kunogara paseva dzedu kwemazuva anenge 24, izvo zvinopa nguva yekurodha pasi mhedzisiro, uyezve zvinobvisa nekugadzirisa otomatiki. Kutumira kunoitika kuburikidza neHTTPS munzira mbiri. Hapana munhu anoverenga zvinhu, hapana chinhu chinonyorwa, uye hapana chinhu chinoendeswa kune mumwe munhu.

Ndeipi nguva yekushandura iyo M4V inotora?

Zvimwe zvidiki zvinyorwa zvinotanga kugadzirwa mumasekondi mashoma. Zvidiki zvinyorwa zvinotanga kugadzirwa mumasekondi mashoma, uye zvinhu zvinotora nguva yakareba kuti zvigadziriswe: vhidhiyo kana vhidhiyo rakaomarara rinofanira kugadziriswazve frame neframe, kana kuti vhidhiyo kana vhidhiyo rakaomarara rinofanira kugadziriswazve nechiratidzo chekuziva, kana kuti vhidhiyo kana vhidhiyo rakaomarara rinofanira kugadziriswazve nechiratidzo chekuziva.