MKV → JPG

Guqula Eyakho MKV ukuba JPG 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 MKV ukuba JPG

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

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

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

MKV ukuba JPG Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndizikhupha njani iifayili kwi-MKV video njenge-JPG imifanekiso?

Layisha phezulu i-MKV uze uvule izinto ezikhethwayo. Ukutsala isakhelo kuneendlela ezimbini: i-Frame eSingle igcina i-JPG enye ukusuka kwisekondi ongenisayo (umzekelo, 1, 5 okanye 10.5), kwaye Zonke ii-Frames zigcina zonke ii-frames zevidiyo njenge-JPG umfanekiso. Akukho ndlela ye-Nth-frame okanye ye-one-per-second. MKV yi Matroska, ibhokisi evulekileyo eyenziwe ngo 2002 ngaphandle kweengxaki zonikezelo lwelayisensi kunye nokungaphelelanga kwinto engayigcinayo. I-JPG yi-JPEG eqhelekileyo ukusukela ngo-1992, kwaye emva kweminyaka emithathu ihlala i-format esetyenziswa ziikhamera ezininzi kunye ne-web sites ezininzi zomfanekiso.

Ingaba izihloko ezingaphantsi ziya kubonakala kwi JPG iifayili endizikhuphayo?

Ayinjalo ukuba ziyindawo ebonakalayo yokulandela umbhalo osezantsi ephepheni. I MKV igcina umbhalo osezantsi ephepheni njengendlela yabo yokuhamba kwaye umdlali uzoba ngaphezulu komfanekiso ngexesha lokudlala, ngoko ke isakhelo esikhowudiweyo umguquli ubhala ngaphandle njenge JPG inee-pixels ezicocekileyo ezantsi. Iisihloko ezisezantsi eziboshwe kwividiyo phambi kokuba ibe yi MKV ziyingxaki eyahlukileyo - ngoko ziyinxalenye yomfanekiso kwaye yonke i-frame ekhutshwe igcina ezi.

Uphi ubunzulu be-frame nganye ekhutshweyo JPG ephumayo?

Ubungakanani obufanayo ne-MKV ividiyo — i-1080p MKV ivelisa i-1920×1080 JPG ii-frames; i-4K MKV ivelisa i-3840×2160 JPG ii-frames. Sebenzisa uncedo lokuguqula ubungakanani emva kokukhupha ukuba ufuna ii-thumbnails ezincinci okanye ubungakanani be-social-media-crops.

Ndingayikhupha isakhelo ngasinye esitsha kwi MKV njenge JPG?

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

Ingaba imifanekiso ekhutshweyo JPG iya kugcina umbala ophakamileyo MKV?

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

Lithini ubungakanani befayili yesakhelo esitshatweyo JPG?

Ixhomekeke kwisisombululo kunye ne-JPG codec. I-1080p PNG frame ihlala i-2 ukuya kwi-5 MB; i-1080p JPG kwi-quality-85 i-200 ukuya kwi-500 KB; i-4K PNG i-6 ukuya kwi-15 MB. Kwimeko egqithisileyo, ukukhupha i-PNG frame nganye ye-10-minute 1080p MKV kwenza ~50 GB ngokupheleleyo. I-JPG ilahlekile: umfanekiso uguqulwa nge-DCT, i-quantized, kunye ne-entropiya-ekhowudiweyo, ngeqhosha lomgangatho elilawula ukuba kuphi okuninzi okulahlekileyo.

Ithatha ixesha elingakanani ukususwa kwesakhelo ukusuka ku MKV ukuya ku JPG?

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 iifayili kwixesha elikhankanyiweyo kwi MKV?

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

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

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

Kutheni i-JPG isakhelo sam esikhutshweyo simnyama?

I-motion blur ihlala i-baked kwi-MKV source - ikhamera okanye into ehambayo xa isakhelo sathathwa. Khetha i-timestamps ukusuka kwimiboniso ehlala ikhona, okanye uthathe i-frames ezibekwe phantsi uze ukhethe ezicacileyo kakhulu. I-pipeline ayiqwalaseli inkcukacha ezingakhoyo.

Ndingayikhupha i JPG enye ngento etshintshayo yendawo ebonakalayo endaweni yexesha elimiselweyo?

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.

MKV

I-MKV (Matroska) inokugcina iividiyo, iaudio, kunye neengoma ezingezantsi ezingenamda kwifayile enye, efanelekileyo kwiimuvi.

JPG

Iifayili ze-JPG zisebenzisa ukucinezela okulahlekileyo okulungelelanisiweyo kwiimifanekiso, kunike ubungakanani befayili encinci ngelixa kugcinwa isisombululo esibonakalayo.