WebM GIF

Sinthani Yanu WebM ku GIF mafayilo mosavuta

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Momwe mungasinthire WebM ku GIF

Gawo 1: Kwezani yanu WebM mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa GIF mafayilo


WebM ku GIF Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji WebM kanema kukhala animated GIF?
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Kutsitsa kwa WebM ndi kusinthira kwa ma frame a samples (kuyimitsidwa 15 fps), kumawayika mu GIF yosinthidwa, ndikugwiritsa ntchito kusinthidwa kwa palette kwa GIF (GIF imalandira palette ya 256-color adaptive; animated WebP imathandizira mtundu wa 24-bit). WebM ndi chigawo cholimba cha Matroska chomwe Google chidatulutsa mu 2010 pofuna kupatsa HTML5 kanema chidebe chopanda royalty. GIF ndi CompuServe 1987 mtundu, ndipo chifukwa chokha chimene anapulumuka ndi kuti amasangalala.
Yambitsani mu wosewera, peza nthawi ndi kukumbukira nthawi, chifukwa WebM sichimangokhala ndi zilembo za kapitoli kuti mupite. Pezani kuti mu gawo la nthawi yoyamba, wonjezera nthawi yotha, ndipo wosintha amafuna kumapeto kwa nthawiyo ndipo amachotsa malire omwe mwafunsidwa. Kufuna ndi koyenera kwa frame, koma kumatha kukhala koyenera ngati idadi yomwe imaperekedwa - onetsetsani kuti ndi yoyenera panthawi yoyamba ya kanemayo. WebM ndi woipa fit kulikonse kunja kwa browser - video olemba, foni's native galleries ndi Smart TVs kwambiri ku ignore izo.
Sichiwonetsero, koma kungoyembekezera. A WebM ndi chotengera cha banja la Matroska, ndipo banjali limasunga chotengera ndi codec mosiyana - zomwe fayiloyo imasunga moyenera zidasankhidwa pamene idalemba ndipo sichitanthauza kuti ndi chida. Wosintha amachotsa chilichonse chomwe chimapeza kumbuyo kwa mafayilo oyambirira, ndipo ma frame omwe ali ndi mawonekedwe omwe ali ndi mawonekedwe omwe ali ndi mawonekedwe omwe amapanga. Kuchotsa mtengo sikunakhalepo: ma codecs atsopano, ogwira ntchito bwino amatenga nthawi zambiri kuti azichotsa kuposa omwe ali ndi zaka zambiri, kotero ma WebM awiri a mafayilo amtundu umodzi amatha kutenga nthawi zosiyana kuti afike pa GIF imodzi. WebM ndi mwanzeru m'mbali: VP8 kapena VP9 kanema (AV1 zaposachedwapa) ndi Vorbis kapena Opus audio, ndi chilichonse chinachake.
Yai, pamene muli ndi fayiloyo. A WebM ndi zomwe webusaitiyi imagwiritsa ntchito kwa kanema wophatikizidwa chifukwa mabrowser amasewera popanda plugin, kotero clip yomwe imasewera mu tabu nthawi zambiri ndi WebM yokhayo yomwe imasunga ndi kutsitsa pano monga fayilo ina iliyonse. Kulephera ndi wosewera wosewera yemwe amapatsa ma segments ofupi omwe amawerengedwa m'malo mwa fayilo imodzi - omwe ayenera kusinthidwanso pambuyo poti chilichonse chitha kusinthidwa. Malamulo ndi chinthu china chomwe chimayenera kutsimikiziridwa: kutsitsa kanema sichifanana ndi kuloledwa kufalitsanso animation yomwe idapangidwa kuchokera ku izo. WebM amasewera natively mu aliyense wamakono browser ndi palibe plugin, palibe chilolezo ndalama ndi palibe patent kuwonekera, zomwe zimapangitsa kuti default kwa web-embedded kanema.
Sichoncho - GIF ndi fayilo ya chithunzi, ndipo imayamba nthawi yomwe imatha kusinthidwa ndipo siyimayendetsa kusewera, kuletsa kapena kuwongolera komweko. Izi ndi ziweto za mtunduwo kuposa tsamba lomwe limasungidwa, ndipo ndichifukwa chake chiwonetsero choyamba chimafunikira kwambiri pankhaniyi kuposa momwe chimakhalira pavidiyo: owerenga omwe akufuna kuchepetsa kuyendetsa, ndi maimelo omwe amatumiza mafayilo, amawona kuti fayiloyo ndi yokha. Sankhani malo oyamba omwe fayilo yoyamba imawerenga moyenera.
Animated GIF imagwira ntchito bwino kwambiri pa mavidiyo opitilira masekondi 10. Pambuyo pake, fayilo imawoneka ngati mabala (GIF ndi yosasinthika). Panthawi ya animations yaitali, imagwiritsa ntchito WebP kapena APNG, zomwe zonse zimagwiritsidwa ntchito pogwiritsa ntchito kusindikiza kwa video-codec-grade ndi kukulitsa bwino.
GIF yokhala ndi ma animations: 2 mpaka 8 MB pa 480p malinga ndi kuvuta kwa kugwira ntchito. WebP yokhala ndi ma animations: 200 KB mpaka 1 MB pa kusiyana kwa kutalika ndi kukula kwa zithunzi. GIF ndi lossless koma ndi kapangidwe ka 256-zobiriwira pa mbale, pogwiritsa ntchito LZW kusamvana ndi imodzi-kolo binary kuwala.
Mwa default timalowetsa mpaka 15 fps kwa GIF yoanima (yokhala ndi mavuto owoneka bwino kuposa 25 fps) ndi 24 fps kwa WebP / APNG yoanima (yoyang'anira mitengo yotsika bwino).
Sichoncho — mtundu wa GIF wokhala ndi ma animations (GIF, WebP, APNG) susunga mawu. Ngati mukufuna mawu, yesani mtundu wa kanema (MP4, WebM) m'malo mwa mtundu wa chithunzi chokhala ndi ma animations.
Ndiyo — njira yowerengera loop-count imawongolera ngati GIF imayenda mopanda malire (zosasinthika), imasewera nthawi N, kapena imasewera nthawi imodzi. Kuwerengera kwa loop kusungira mu metadata ya GIF yokhala ndi bokosi ndipo imavomerezedwa ndi aliyense woonera watsopano.
Zifukwa ziwiri zofala. Choyamba, kuchepetsa kuchuluka kwa mafremu: 15 fps GIF kuchokera ku 60 fps WebM kumachepetsa 75% ya mafremu; kuchotsa ndi slider ya kuchuluka kwa mafremu. Chachiwiri, kuwonjezera kwa palette: GIF imatha kujambula mpaka 256 ya mitundu ndipo gradient-heavy WebM imawoneka bwino. Sungani ku WebP yoanima kuti mudziwe momwe zinthu ziliri ndi mitundu yonse.
Ndiyo — njira yosintha kukula imachepetsa WebM kumbuyo pa kutulutsa ma frame, zomwe zimachepetsa kwambiri kukula kwa fayilo ya GIF. 480p GIF kuchokera ku 4K WebM ndi pafupifupi 16x yaying'ono kuposa 4K GIF. Pezani /video-cutter/ kuti muchepetse m'njira yosiyana.

WebM

WebM idapangidwira intaneti, imapereka makanema otsatsira opanda ndalama zambiri okhala ndi ma codec a VP8/VP9.

GIF

Mafayilo a GIF amathandizira zojambula ndi mitundu yochepa, yoyenera zojambula zosavuta, ma meme, ndi zizindikiro.


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