WebM → PNG

Guqula Eyakho WebM ukuba PNG iifayile ngokulula

Khetha iifayile zakho

okanye rhuqa uze ushiye iifayile zakho apha

Inkqubo ekhululekileyo: 1 IiNguqulelo/iyure · Yiya ngaphandle komda →

Guqula iifayile ezifikelela kwi-1 GB simahla, abasebenzisi bePro banokuguqula iifayile ezifikelela kwi-100 GB; Bhalisa ngoku

Iyalayisha

Indlela yokuguqula WebM ukuba PNG

Inyathelo 1: Layisha eyakho WebM iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

Inyathelo lesi-2: Cofa iqhosha elithi 'Guqula' ukuze uqalise ukuguqula.

Inyathelo lesi-3: Khuphela i-converted yakho PNG iifayile

WebM ukuba PNG Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndizikhupha njani iifayili kwi-WebM video njenge-PNG imifanekiso?

Layisha phezulu i-WebM uze uvule izinto ezikhethwayo. Ukutsala isakhelo kuneendlela ezimbini: i-Frame eSingle igcina i-PNG enye ukusuka kwisekondi ongenisayo (umzekelo, 1, 5 okanye 10.5), kwaye Zonke ii-Frames zigcina zonke ii-frames zevidiyo njenge-PNG umfanekiso. Akukho ndlela ye-Nth-frame okanye ye-one-per-second.

Umfanekiso okhuphiweyo PNG uphuma njani kwisisombululo esipheleleyo?

Ugqibo olufanayo njenge-WebM ividiyo — umthombo we-1080p uvelisa ii-frames ezili-1920×1080 PNG; umthombo we-4K uvelisa ii-frames ezili-3840×2160 PNG. Sebenzisa /resize-image/ emva kokukhupha ukuba ufuna iithumbnails ezincinci okanye izinto eziluncedo eziluncedo ze-social-media.

Ndingayikhupha isakhelo ngasinye kwifayili WebM njenge PNG?

Ewe, ngee-Frames zonke kukhetho lokuHlanganisa i-Frame, kodwa khangela ubalo: imizuzu emine ye-30 fps yevidiyo inika imifanekiso eyi-1,800 PNG. Ukuba uhlala phantsi, khetha i-Frame eSingle kwaye ufake umzuzwana ofuna ukuwufaka endaweni.

Ingaba imifanekiso PNG iya kugcina umbala ophakamileyo WebM?

I-HDR footage ayimaphulwanga ithoni: i-frame nganye iguqulwa ukusuka kwi-WebM njengoko ikhowudiwe, ngoko i-frame ukusuka kwi-HDR WebM ingabonakali iphaphazela okanye icocwe ngaphandle njenge-PNG. Ividiyo eqhelekileyo (SDR) igcina imibala yayo.

Ithatha ixesha elingakanani ukususwa kwesakhelo ukusuka ku WebM ukuya ku PNG?

Oku kuxhomekeke kubungakanani nobude befayile. Amaxwebhu amancinci kunye nemifanekiso ihlala ilungile ngokukhawuleza. Iividiyo ezide zithatha ixesha elide, kuba iinguqulelo ezininzi zevidiyo ziphinde zikhowudi iframe nganye.

Ndingazikhuphela njani ii-frames kwi-timestamp ekhankanyiweyo kwi-WebM video?

Enye ngaxeshanye. Isakhelo esipheleleyo sithatha ixesha elinye kwimizuzwana (umzekelo 83 ye 1: 23) kwaye sigcina esi sahlulo njenge PNG. Akukho ndawo yoluhlu lwexesha, ngoko ke qhuba uguqulelo kwakhona kwixesha elipheleleyo elingaphezulu.

Ingaba i-WebM yevidiyo yam ifihlakeleyo xa ikhutshwa i-frame?

Ewe. Iifayile ezilayishwe phezulu ze WebM ziqhubekekiswa kwiseva yethu yokuguqula, akukho mntu ujonge phezulu, kwaye azisasazwanga. Ukukhuphela kunye nokuguqulwa kwe PNG kususwa ngokuzenzekelayo malunga neyure ezili-24 emva kokuguqulwa, oshiya ixesha lokulayisha ezantsi iziphumo. Bona /privacy/ kwinkqubo epheleleyo.

Kutheni i-PNG isakhelo sam esikhutshweyo simnyama?

I-motion blur ihlala ivela kumboneleli (ikhamera yayihamba xa isakhelo sathathwa). Zama ukukhetha i-timestamps ukusuka kwimiboniso ehlala ikhona, okanye uthathe ii-frames ezininzi ezibekwe phantsi uze ukhethe ezicacileyo. I-pipeline ayiqwalaseli uqaqambo — ngoko, sebenzisa /upscale/ kwi-PNG ekhutshiweyo emva koko.

Ingaba le sixhobo sixhasa ukutsala isakhelo esinye ngasinye kutshintsho lwendawo yomboniso?

Hayi. Umguquli awunakubakho ukukhangela kwemeko-bume kwaye akukho ndlela yesibini-nge-imizuzu: igcina isakhelo esifanayo kwisekondi ongenisayo okanye kwisakhelo ngasinye. Umfanekiso omnye kwimeko-bume, khupha isakhelo esifanayo kwixesha apho iimeko-bume zitshintsha khona.

Ndingasebenzisa i-PNG isakhelo esikhutshweyo ngokurhweba?

Ewe, ngokuxhomekeke kwilayisensi elawula umthombo WebM wezinto eziquletheweyo. Utshintsho lwefomati aluyi kuzisa naziphi na izilumkiso — asiyi kudibanisa naziphi na izilumkiso zamanzi, singafaka naziphi na izilumkiso, kwaye asiyi kuzisa naziphi na izilumkiso ngaphezulu kwe PNG yemveliso. Ividiyo yendawo yobuqu ivelisa ii-frames zendawo yobuqu; imifanekiso yakho yobuqu ihlala yakho.