M4V M4V

M4V Lisebelisoa

Fetola M4V ho le ho tloha ho li-formats tse ngata

Fetola M4V ho listandard tse ling

M4 AU
M4V ho AUDIO
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M4 AV
M4V ho AVI
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M4 BM
M4V ho BMP
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M4 FL
M4V ho FLV
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M4 IM
M4V ho IMAGE
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M4 JP
M4V ho JPEG
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M4 JP
M4V ho JPG
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M4 MK
M4V ho MKV
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M4 MO
M4V ho MOV
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M4 MP
M4V ho MP3
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M4 MP
M4V ho MP4
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M4 MP
M4V ho MPEG
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M4 MP
M4V ho MPG
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M4 PN
M4V ho PNG
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M4 TI
M4V ho TIFF
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M4 VO
M4V ho VOB
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M4 WM
M4V ho WMV
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M4 We
M4V ho WEBM
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Fetolela ho M4V

Mabapi le M4V

M4V ke mofuta oa Apple oa MP4 o ka etsang FairPlay DRM, e leng se thibelang baetsi ba bang ho o bula.

Tšebeliso e Tloaelehileng

  • iTunes video
  • Apple TV content
  • Protected video

M4V Lipotso Tse Botsoang Khafetsa Mabapi le Phetoho

Faele ea M4V ke eng?
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M4V is an MPEG-4 video container format, similar to MP4 but may include DRM.
Ka lebaka la hore mofuta ona ke o mong oa li-wrapper tsa ho fana ka li-store, o hokahane le li-apps tsa eona le, bakeng sa litaba tse lefelloeng, ho ak'haonte ea hau. Ke ka hona e leng e le bonolo kahare ho ecosystem eo le e sa thabiseng kantle ho eona. Lifaele tse sa lokisoeng ke ak'haonte li fetoloa ka mokhoa o tloaelehileng; tse bolokehileng ha li ka buelloa ke mofani ofe kapa ofe oa ho fetola, e leng thepa e khethehileng ea mofuta ona ho feta ho lekanyetsoa mona. M4V ke mofuta oa Apple oa MP4, o sebelisoang ke iTunes le Apple TV app bakeng sa lifilimi le liketsahalo tsa TV.
Li-browser li romella decoders bakeng sa lethathamo le khuts'oane la li-formats,'me M4V ha e na eona — laesense, mefuta ea codec e lumellang, kapa lilemo tsa eona li e boloka. Faele ha e senyehe mme mohlophisi oa desktop o tla e bula, empa ha ho letho leo u ka le etsang ho leqephe le tla etsa hore mohlophisi o e phethe. Ho fetola ho e-na le sephutheloana sa web-native ke tsela e le' ngoe e tšepahalang ho bapala kahare. DRM-tšireletsehileng M4V litheko ha ho ka fetoloa ke ntho e ngoe le e ngoe; feela unprotected M4V faele ke convertable, le non-Apple ba bapalami ba bangata ba hloka ho eketseha rename.
Ka linako tse ling ho joalo, hobane li-chips tsa lifono, li-tablets le li-television li decode mofuta ona oa payload ka silicon e khethehileng ho feta processor e ka sehloohong. Ke phapang lipakeng tsa video e bapala ka ho feletseng ka lihora tse peli le e 'ngoe e pholileng sesebelisoa' me tlosa ka metsotso e 40. Ha sebopeho se theoha ke ts'ehetso ea app ho feta ho decoding - codec e ntle, wrapper ke seo app ea gallery e ka se saena. M4V ke MP4 — H.264 kapa HEVC le AAC — le Apple FairPlay DRM le iTunes chapter metadata.
Ha e se e ntsea ka potlako, empa karolo ea eona ea lifaele tse ncha e ntse e fokotseha'me lisebelisoa tse ncha tse nyane li tšoenyeha ho e tšehetsa. Lifaele tse teng li lula li ka bala ka nako e telele. Mohlala o sebetsang ke hore ho boloka archive ka mofuta ona ke molemo, ha ho qala ho sebetsa ka mokhoa o mocha ho bolela ho amohela set e nyane ea software.
E ka khethoa, haeba li ne li kenyelelitsoe ka mokhoa o nepahetseng. M4V e na le li-subtitles e le li-stream tsa tsona ka lehlakoreng la video, ka hona mohoebi a ka fetola lipuo, a li tlosa, kapa a li fetola ka mokhoa o mocha ho mohlophisi o e tšehetsang. Li-subtitles tse kentsoeng ka har'a li ka khoneha hape — ke pixels feela ka frame — empa li ka ba tsa nako e telele,'me ha ho na lebaka la ho li khetha ha sephutheloana se tšehetsa ntho e 'ngoe e' ngoe.
Ha ho joalo. The formate tsoa Apple le ke eng li-apparatus le software e hlahisa ka ho sa feleng, empa li-files ba bang ba ba tloaelehileng le bala ka ntle ka moo le sesebelisoa se nepahetseng. Ho fetola mona e etsahala ka server, ka hona ha ho QuickTime ho kenya, ha ho Apple hardware le ha ho platform-e itseng codec pack e teng teng ka tsela eo.
E etsa — lihlooho li phela ka metadata ea li-container, ka hona ho ngolisoa ho telele ho ka etsoa ka karolo e le hore ho se ke ha etsoa ka ho tlisa bar ea ho tsoela pele. Li phela ka ho khutlisa ho ea ho mofuta o mong oa lihlooho tse tsebahalang'me li tlosoa, ka ho se utloe, ke e' ngoe e se nang sebaka sa ho li beha. Haeba lihlooho li bohlokoa, ho molemo ho li hlahloba pele o khetha mofuta oa tlhahiso ho feta ka mor'a.
Ha se bakeng sa uena. Codecs e amanang e koaheloa ke li-pools tsa patent,'me laesense e hlophisitsoe ke batho ba fanang ka decoders - the phone, the browser, the operating system - nako e telele pele faele e fihla ho uena. Ke ka hona mofuta ona o leng teng ka hohle ho hardware le hobaneng ha likhetho tse sa lefelloeng li na le ka hohle, mme ha e fetole ntho e ngoe le e ngoe ka ho fetola faele eo u e nang le eona.
Ha ho mohla,'me ho bohlokoa ho utloisisa hobaneng: ho eketseha ke letšoao, ha bytes ka hare e hlophisitsoe bakeng sa mofuta o itseng. Ho fetola lebitso ho hlahisa faele eo lebitso la eona le etsang hore ho be le ntho e itseng eo ho nang le eona ha e fane ka eona, le seo e se etsang ho bula e ka nka faele kapa e e bala ka tsela e mpe. Ho khetheha ho le mong ho na le li-formats tse peli tse nang le li-container tse tšoanang ka lebitso le fapaneng - le ka nako eo ho khutlisa ka ho nepahetseng ho sireletsehile ho feta ho fetola lebitso.
E hlakoloa ka ho toba. Ho kenya le phello e fetotsoeng e lula ho li-server tsa rona ka lihora tse ka bang 24, e leng e le nako ea ho kenya phello,'me e tlosoa ka ho hloekisa ka ho toba. Ho fetisoa ho tsamaea ka HTTPS ka litsela tse peli. Ha ho motho ea balang litaba, ha ho na sekhahla, ebile ha ho na sephethephethe ho mang kapa mang.
Ka linako tse ling lihora. Lifaele tse nyane li sebetsa kapele,'me liketsahalo tse nka nako e nepahetseng ke tseo li etsang mosebetsi o nepahetseng: ho ngolisoa ha nako e telele e lokelang ho khutlisoa ka li-code frame ka frame, ho scanneloang ha lengolo-tsoibila ho ea ka ho tsebahala ha li-character, kapa batse e kholo haholo. Ha ho fetoha ho khutlisa kapa ho khutlisa data e teng e lula e potlakile ho sa tsotelehe hore na faele e kholo hakae, hobane ha ho na ntho e ka tlosoa.

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