AVI Amathuluzi

Guqula AVI ukuya futhi kusuka kumafomethi ahlukahlukene

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Mayelana AVI

Amafayela e-AVI angaqukatha idatha yomsindo nevidiyo, esekelwa kabanzi kodwa enosayizi abakhulu bamafayela.

Ukusetshenziswa Okuvamile

Ukudlala ividiyo yeWindows
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Ukuhambisana nokuhlela ividiyo

AVI Imibuzo Evame Ukubuzwa Yokuguqulwa

Yini ihele AVI?

I-AVI (Audio Video Interleave) ifomethi yesitsha se-multimedia eyethulwe yi-Microsoft.

Kungani i-AVI isebenza ngendlela ehlukile kunefayela levidiyo elimanje?

Ngenxa yokuthi idlulele ngamashumi amabili. AVI iyifayela le-RIFF chunk: ukulandelana okuqinile kwe-audio nevidiyo exhunywe nge-index exhunywe ekugcineni. Akukho mibono ye-frame rate eshintshayo, akukho indawo yokubeka umsindo wesihloko, futhi i-index iyisizathu sokuthi ifayela elicushiwe lizohlala lingazithola ngaso sonke isikhathi. Konke okubi mayelana nefomethi libuyela emuva kulolu hlelo. AVI Microsoft Audio Video Interleave, isungulwe ngo-1992 phezu RIFF chunk format - eyodwa yezinto eziphilayo ezidala kakhulu okwamanje e circulation. I-AVI ayinaso isixhaso esisemthethweni se-codecs yamanje, isilinganiso sefreyimu esiguqukayo, izihloko ezithambile noma amafayela angaphezu kuka-4 GB ngaphandle kokuhlaselwa, futhi i-chunk ngayinye i-overhead ibhoboza ifayela.

Kungani ama-camcorders namakhadi okuqoqa akhiqiza AVI?

Ngenxa yokuthi ifomu lilula ngokwanele ukubhalela ngesikhathi sangempela ku-hardware encane, futhi ngenxa yokuthi uhlobo lwezisetshenziswa zokuqapha lwakhiwa ngaso futhi alushintshiwe. Isisetshenziswa asikwazi ukwenza ukuhlolwa kokhwalithi, sibhala lokho i-firmware yayo eyazi. Lokhu futhi kusho ukuthi kungani lezi fayela zikhulu kakhulu kulokho eziqukethwe futhi kungani ukuguqula kuzo kuyinto yokuqala umuntu eyenza.

Kungani isiphequluli sami singadlala ihele AVI?

Amabhuleki athumela ama-decoders kuluhlu oluncane lwefomethi, futhi AVI ayikho kulo — ilayisense, i-codec ehlukene evumela, noma nje ubudala bayo bugcina bungaphandle. Ihele alilahlekile futhi umdlali wedesktop uzovula, kodwa akukho okwenziwayo kukhasi kuzokwenza ibhuleki liyibonise. Ukushintsha ukuguqula kube nendawo yokugcinwa ye-web-native kuyindlela ethembekile kuphela yokudlala ngaphakathi.

Kungani i-AVI yami ibonisa ama-comb lines nganoma yini ehambayo?

Ngenxa yokuthi i-interlaced. Izinto ezingaphakathi kulolu hlobo zivela emidlalweni ye-DVD, lapho ifreyimu ngayinye igcinwa njengezindawo ezimbili ezingu-half-height ezithathwe ngengxenye engu-50 yesikhathi. Isikrini esiqhubekayo sibonisa zombili ngasikhathi sinye, ngakho-ke ukuhamba phakathi kwezimo ezimbili kubukeka sengathi kuzoba kuphindwe kabili. Ukususa i-interlacing kushintsho kuveza izimo zibe amafreyimu aphelele futhi i-artefact iphela.

Kungani ama-AVI am ashicilelwe ahlukaniswa ngama-parts amanani?

I-format-level ceiling, hhayi iphutha ku-recorder. AVI ine-file-single-limit esebenzayo esebenza kahle ehamba phambili noma i-bitrate-high material, ngakho-ke isofthiwe yokuqapha ihlukanise ukurekhodwa ngaphezu kokukhishwa kwefayela alikwazi ukulibonisa. Ukudlulisa ku-container ngaphandle komkhawulo onjalo kwenza ama-pieces aphinde axhunywe kuvidiyo eyodwa eqhubekayo, okuvame ukuba yisizathu esingokoqobo abantu abaguqula le-format.

Kungani i-AVI idlala ngokugcizelela noma isebenza ngokufudumele kuma-machines adala?

Ngenxa yokuthi i-software ifakazela. Ama-hardware video decoders afakazela kuphela uhlu oluqinile lwefomethi, futhi AVI ungaphandle kwayo kumadivayisi amaningi, ngakho-ke yonke ifreyimu ivuselelwa yi-CPU endaweni. Kudesktop yamanje elahlekile; ku-smartphone, i-laptop edala noma i-smart TV ivela njengefreyimu elahlekile, umsindo we-fan nebhethri elilahlekile. Ukudlulisa ku-hardware-supported format isusa izinkinga zonke. Amafayela we-AVI adlule ama-codecs amanje: cabanga i-MPEG-4 Part 2 (DivX/Xvid), Motion JPEG noma amafreyimu amnyama angacindezelwa ngaphandle kwe-H.264.

Ingabe kufanele ngigcine amafayela amasha njenge AVI?

Uma nje kukhona okuthile okudingayo. Ifomethi ivuliwe, futhi akukho sidingo sokushintsha ingobo yomlando ongeke ukwenze kube nzima, kodwa akuyona indawo lapho ithuluzi noma umphumela uhamba khona. Kunoma yini entsha, ifomethi yamanje ayidingi lutho olungeziwe futhi ivimbela ukulandelana kwesifundo seminyaka emincane kusukela manje.

Ingabe izihloko ezingezansi zihamba lapho kuhele AVI?

Ngakwesokudla, noma ngaphakathi kwesithombe. AVI ayinaso isingeniso sesihloko sesihloko, ngakho izinketho ezimbili yi-sidecar.srt ifayela umdlali efaka ngakwesokudla kwevidiyo, noma ukushaya umbhalo emafreyimu ngesikhathi sokucindezela kabusha. I-sidecar igcina isingeniso sesihloko esihleliwe futhi esishintshayo kodwa ihamba njengefayela lesithathu elilula ukulahleka; ukushaya ngaphakathi kuqhubeka noma yikuphi ukudluliswa kodwa akukwazi ukuvalwa ngemuva.

Ingabe kubaluleke ukuthi AVI ingaphezu kweminyaka engu-30?

Ubudala bukhona akuyona inkinga - amafomethi amaningi onyaka akhona alungile, ngokucacile ngoba konke kudlule iminyaka eminingi ukuwafaka. Okubalulekile ukuthi unyaka uthathe isinqumo: amafayela amancane, amaprosesa aphansi, akukho nethiwekhi, futhi amakhono angeke afune umuntu. lapho amanani ahlala khona, ifomu lilungile. lapho ayikho, lena yisizathu sokushintsha.

Ingabe ihele AVI ligcina ama-tracks omsindo amaningi?

Yebo - imixholo yesiNgisi, i-dub ne-comment ingahlala yonke kwifayela elilodwa ne-player eshintsha phakathi kwazo. Izinqumo ezimbili: amafoni amaningi nama-television adlalayo abonisa kuphela umculo wokuqala kodwa amanye akhona, futhi ukuguqulwa kufomethi ngaphandle kosizo olukhulu lwe-tracks agcina umculo owodwa futhi akhuphula okunye. Khetha umculo ofuna ngaphambi kokuguqula, ngaphezu kokubheka emuva ukuthi iyiphi ehlala. AVI ilula kakhulu, okuyinto ngokucacile kungani ama-camcorders akudala, amakhadi okuqoqa, DVD amathuluzi okukhishwayo kanye Windows-era software wonke akhona akhipha.

Kungani i-AVI isebenza kahle kuphela kumawindi?

Ngenxa yokuthi isitoreji siyinhlanganisela elula. AVI yacaciswa ngamaphuzu athile akhethekile eMicrosoft, futhi akukho okuningi ngaphandle kweWindows okuzokhipha umbhalo oguquliwe - ngakho ihele livula, likhombisa isikhathi sayo, futhi likhiqiza isithombe noma umsindo. Ukufakela iphakethe le-codec kuyisinqumo esidala futhi esibucayi; ukushintsha umthwalo wezinto eziphilayo zibe yizinto zonke ezisebenzisa i-platform eyenziwe iguqulwe yiyona ehlala isikhathi eside.