FLV Amathuluzi

Guqula FLV kuya futhi kusuka kumafomethi ahlukahlukene

Mayelana FLV

I-FLV (I-Flash Video) ifomethi yesiqukathi sevidiyo eyakhiwe yi-Adobe. Ivamise ukusetshenziselwa ukusakazwa kwamavidiyo aku-inthanethi futhi isekelwa i-Adobe Flash Player.

Ukusetshenziswa Okuvamile

Flash video
Online streaming
Legacy web video

FLV Imibuzo Evame Ukubuzwa Yokuguqulwa

Yini ihele levidiyo le-FLV?

I-FLV iyibhokisi levidiyo eligcina eyodwa noma ngaphezulu kwevidiyo, ama-tracks omsindo, kanye ne-subtitles akhethiwe. Ibhokisi elilodwa lisekela ama-codecs ahlukene, ngakho-ke ukuhambisana kuxhomekeka ku-wrapper kanye nento engaphakathi kuyo.

I-Flash ikhubaziwe eminyakeni edlule — ingadlala kanjani ifayela FLV?

Ihele lilungile; umdlali uhambe. FLV igcina ividiyo ejwayelekile ecindezelwe kanye nesandi, ngakho ithuluzi ledesktop elikhohlisa i-browser plugin story lifunda ngaphandle kwezinkinga. Okungekhona manje yinoma iyiphi indlela ejwayelekile yokuvula enye — akukho i-browser, akukho ifoni, akukho TV. Ukushintshana akuyona ukunakekelwa okukhethwa kukho lapha, kuyindlela eyodwa kuphela isithombe sihlala sibonakale. Akukho isiphequluli, ifoni noma i-TV ekhona engakwazi ukudlala i-FLV — noma yini ekhona kule bhokisi kumele ihunyushwe ngaphandle ukuze ihlale ibonakale.

Ingabe FLV ifomethi efile?

Njengefomethi yokuthumela, yebo — i-ecosystem eyenza isebenze ikhubazekile, futhi akukho okuzokuvumela ukuthi uvule ifayela ngalo namuhla okuxhasa lokhu. Njenge-archive iphila kakhulu: inani elikhulu lezinto lihlala likhona. Ukushintshana akuyona ukuguqulwa ngenxa yenhloso yayo; kuyinto ehlukile phakathi kwevidiyo ongayibona nevidiyo ongayenza.

Kungani okuqukethwe kwewebhu kuthunyelwe njenge FLV?

Ngokuba ifakwe ngokukhethekile le misebenzi: amafayela amancane, ukuqala ngokushesha, akukho plug-in futhi akukho layisense lokukhathazeka. Lokhu kwenza kube ngcono ekunikezelweni futhi kungaphawuleka nganoma yini enye - amathuluzi okuhlela, ama-gallery wefoni namadivayisi adala ahlala ekhohlwa. Ukushintsha ifomu elijwayelekile-lomsebenzi yilokho okukwenza okuqukethwe okuthunyelwe kusebenziseke ngaphandle kwe-web. FLV's low per-packet overhead yenze it okungcono e streaming phezu ukuxhumana unreliable yesikhathi sayo, futhi amafayela amakhulu yayo akhona.

Kungani isiphequluli sami singadlala ihele FLV?

Amabhuleki athumela ama-decoders kuluhlu oluncane lwefomethi, futhi FLV 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-FLV idlala ngokugcizelela noma isebenza ngokufudumele kuma-machines adala?

Ngenxa yokuthi i-software ifakazela. Ama-hardware video decoders afakazela kuphela uhlu oluqinile lwefomethi, futhi FLV 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 eliphumayo. Ukudlulisa ku-hardware-supported format isusa izinkinga zonke. I-FLV ivame ukuphatha i-Sorrenson Spark noma i-H.264 video ne-MP3 noma i-AAC audio, efakwe kufomethi yokuhamba eyenziwe nge-RTMP delivery.

Ingabe izihloko ezingezansi zihamba lapho kuhele FLV?

Ngakwesokudla, noma ngaphakathi kwesithombe. FLV 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.

Kungani i-audio track eyodwa kuphela ehlala e FLV yami?

Ngenxa yokuthi lokhu konke ifomu liyithatha ngokunethezeka. Izinhlamvu zomsindo ezingeziwe zingabhalwa ku FLV, kodwa ukuxhaswa kokudlala ngemuva kokuqala akulingani kahle kakhulu ukuthi amathuluzi amaningi agcina kuphela elinye futhi asuse ezinye. Uma umsuka unesihloko noma ulwimi lwesibili, khipha lezi ukuze uhlukanise amafayela omsindo ngaphandle kokuthembela kuwo kubhokisi elifihlayo.

Kungani uguqule FLV ukuze ezinye video format?

Ukushintsha FLV MP4 uma ufuna ukusakaza jikelele - amabhuleki web, amadivayisi mobile, smart TVs kanye nokuhlela apps bonke ukudlala MP4 natively. Ukushintsha WebM for web embedding lapho ncane ifile ubukhulu izinto. Ukushintsha MOV uma usebenza Final Cut noma ezinye Apple-native pipelines.

Ingabe ukuguquka kwe-FLV kuphinde kukhodeze ividiyo?

Uma umsuka codec ngaphakathi FLV ihambisana nengxenye efanele isitoreji si remux ngaphandle kokuphinda-encoding (fast, lossless). Uma codec kufanele ushintshe (umzekelo HEVC to H.264) ividiyo iphinde-encoding — slower, nge umthwalo oncane ukukhiqizwa.