AV1 Isiguquli

Tshintsha AV1 kuya futhi kusuka kumafomethi ahlukahlukene

Mayelana AV1

AV1 yi-codec yevidiyo engakhokhwa i-royalty efinyelela kukhwalithi efanayo ne-H.264 nge-bitrate ephansi kakhulu, ngezindleko zokucofa okukhawulelwe.

Ukusetshenziswa Okuvamile

Modern web video
High-efficiency streaming
Next-gen video

AV1 Ukushintsha

Yini ihele AV1?

AV1 (AOMedia Video 1) is a modern royalty-free video codec with excellent compression.

Ingabe AV1 yi-codec noma ifomethi yehele?

I-codec, ngakho-ke impendulo ku "ungayivula kanjani" ayisoze yashesha. AV1 ichaza ukuthi isithombe sicindezelwe kanjani; ayisho lutho mayelana nokuthi i-bitstream igcinwa kanjani kwidiski, futhi idinga isikhala esingaphansi kwayo ngaphambi kokuba umdlali ayichofoze. Amafayela aphawulwe AV1 ngokuvamile yi-bitstream ngaphakathi kwe-wrapper ejwayelekile, futhi ukushintsha kuvame ukusho ukuguqula i-wrapper, i-codec, noma zombili. AV1 yi-video codec engekho emthethweni ye-Alliance for Open Media ekhishwa ngo-2018 njengengxenye yokulandela i-VP9.

Kungani okuqukethwe kwewebhu kuthunyelwe njenge AV1?

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 okulayishelwe kusebenziseke ngaphandle kwe-web. AV1 inikeza cishe 30% engcono ucindezelo kuna H.264 esezingeni elifanayo futhi ithatha akukho izinkokhelo izitifiketi, okuyinto kungani YouTube ne Netflix push it.

Ingabe ngidlala AV1 ku-tab yesiphequluli ngaphandle kokufaka noma yini?

Yebo — AV1 yisinye sezifomethi zevidiyo ezincane ezixhunywe ku-browser, ngakho-ke ukushaya ifayela kwi-tab noma ukulifaka kukhasi kusebenza kuphela kudesktop neselula. Lokhu kwenza kube yisinqumo esifanele sokudlalwa okuzenzakalelayo kwekhasi lewebhu, futhi yisizathu sokuguqulwa kulolu hlobo lwefayela kuvame ukuxazululwa ngokushesha "ividiyo ayizodlala kuwebhusayithi yami".

Kungani i-AV1 idlala ngokugcizelela noma isebenza ngokufudumele kuma-machines adala?

Ngenxa yokuthi i-software ifakazela. Ama-hardware video decoders afakazela kuphela uhlu oluqinile lwefomethi, futhi AV1 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. AV1 yi-codec, hhayi isiqoqi — i-bitstream ihamba ngaphakathi MP4 noma WebM, ixhunywe ne-Opus noma i-AAC umsindo.

Ingabe izihloko ezingezansi ngaphakathi kwe AV1 zingakhethwa, noma ziboshwe ngaphakathi kwesithombe?

Kukhethwa, uma kufakwe kahle. AV1 ifaka izihloko ezingezansi njengemithombo yabo ehlukile engezansi kwevidiyo, ngakho-ke umbukeli angashintsha ulwimi, azicishe, noma aphinde aphinde asebenzise izihloko ezingezansi kumdlali oxhasa lokhu. Izihloko ezingezansi ezibomvu zingasetshenziswa — ziyi-pixels kuphela kwifreyimu — kodwa zihlala njalo, futhi akuyona isizathu sokukhetha uma isiqulatho sixhasa into engokoqobo.

Ingabe AV1 ikhona futhi ikhona ukuxhaswa okubanzi?

Kuncane njalo ngonyaka, kodwa ibanga liyiqiniso. Usizo lwesofthiwe lwafika ngokushesha; usizo lwehardware luvela kuphela ngezinto ezintsha, futhi ifoni, i-TV noma umdlali phambi kwakho ungase uqale ngokulula. lapho kuxhaswa khona kungcono kakhulu kunalokho okuhlobene nohlelo olushintshayo, ngakho-ke kufanelekile ukushintshana ukuze kuthunyelwe futhi kufanelekile ukushintshana ngaphandle kokusebenza.

Ingabe ihele AV1 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 ukuwuguqula, hhayi ukucabanga ukuthi iyiphi ehlala.

Ingabe AV1 igcina izibonisi zesigaba?

Ikwenza — amasigaba ahlala kwi-metadata yebhokisi, ngakho ukurekhodwa okude kungafinyelelwa ngengxenye endaweni yokudonsa ibha yokuqhubekela phambili. Baphila ngokucindezela kabusha kufomethi ehlukile yesigaba esizizwayo futhi bakhuphuka, ngokuzizwayo, ngenye engakholeki. Uma amasigaba abalulekile, lokhu kufanelekile ukubheka ngaphambi kokukhetha ifomethi yesingeniso endaweni yokuqhubeka.

Ubani olawula i AV1?

Akukho muntu, engqondo ukuthi kubaluleke: izici ziyizwe, ukucushwa kumahhala ukubhalela, futhi akukho nkampani engakwazi ukuguqula izimo ngemuva. Lokhu kusho ukuthi ivela kumathuluzi avulekile kanye nemithetho yokugcina, lapho ifomu elilawulwa ngumhlinzeki ngamunye liyingozi. Ukuthengiswa kuxhaswa kokuthengiswayo - kuvame ukuba yifomethi enezici ezinhle kakhulu nedivayisi ehambisanayo.

Ingabe ngingenza ngiphinde ngibize isiqephu endaweni yokushintsha AV1?

Kunzima kakhulu, futhi kufanelekile ukuqonda ukuthi kungani: isithonjana siyisihloko, ngenkathi ama-bytes ngaphakathi kufakwe ngefomethi eyodwa ekhethekile. Ukushintsha igama kwenza ihele igama lakhe lithembisa okuthile okuqukethwe kwayo akusho ukunikela, futhi noma yini evula ihele noma liyiphoqa noma liyifunda kabi. Ukuphela kwephutha elincane yifomethi ezimbili ezikhona ngokusemthethweni ibhokisi elifanayo ngaphansi kwezinhlamvu ezahlukene — futhi ngisho lapho ukuphinda ubhale kahle kuphephile kunalokho ukushintsha igama.

Ingabe ngiguqula isibaya esigcwele se AV1 amafayela ngasikhathi sinye?

Nge-akhawunti, yebo — khiphana ndawonye futhi zibekwe njengemisebenzi eyodwa endaweni yokuphathwa ngayinye ngasikhathi sinye, ngezinhlelo ezifanayo ezisetshenziswa ngaphesheya kweqembu futhi izimpendulo zibuyiselwe ndawonye. Ukuguquka okumahhala kusebenza ihele elilodwa ngasikhathi sinye (amathuluzi okuxhuma athatha amabini); i-plan ekhokhelwa yilokho okuvulela ukuqhubekeka kweqembu kanye nobukhulu bomgwaqo wefayela ngalinye, okukwenza ukuguquka kwehele lonke lisebenze.