WebM idapangidwira intaneti, imapereka makanema otsatsira kwaulere okhala ndi ma codec a VP8/VP9.
Ntchito Zofala
Kusewera makanema a HTML5 mu asakatuli
Kuwonera makanema kokonzedwa bwino pa intaneti
Kugawa makanema opanda ndalama
WebM Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndi WebM kanema wapamwamba?
+
WebM imapangidwa kuti ipereke kanema. Imagawa kanema kukhala ma segments ochepa omwe wosewera mpira angasinthire pakati pawo malinga ndi bandwidth ya wosewera mpira, zomwe zimathandiza kuti kusewera kukhale kosavuta ngakhale pazolumikizana zosagwirizana. WebM ndi mwanzeru m'mbali: VP8 kapena VP9 kanema (AV1 zaposachedwapa) ndi Vorbis kapena Opus audio, ndi chilichonse chinachake.
Kodi Matroska container imapatsa fayilo ya WebM?
+
Matroska imasunga ma stream onse monga zinthu zosiyana ndi zina ndi metadata yake, choncho WebM siyimakhala ndi mfundo yoti ndi ma tracks angati a audio, ma subtitle tracks, ma chapters kapena ma attachments omwe akhoza kunyamula. Mtengo ndi kuti chipangizo chogwiritsa ntchito nthawi zonse sichingathe kukhulupirira chilichonse pazomwe zili, chifukwa chake osewera a hardware ndi ovuta kwambiri kuposa mapulogalamu a desktop. WebM ndi chigawo cholimba cha Matroska chomwe Google chidatulutsa mu 2010 pofuna kupatsa HTML5 kanema chidebe chopanda royalty.
Nchifukwa chiyani zinthu zambiri za webusaiti zimaperekedwa ngati WebM?
+
Chifukwa cha izi, imapangidwa kuti ikwaniritse ntchitoyi: mafayilo ang'onoang'ono, kukhazikitsidwa kwamphamvu, palibe plugin ndi lisensi yokhumudwitsa. Izi zimapangitsa kuti ikhale yoyenera pakupanga ndi kulephera pazinthu zonse - zosintha, ma galleri a foni ndi zida zakale zimazi ignore. Kusintha kwa mtundu wazofunikira ndi zomwe zimapangitsa kuti zinthu zomwe zatsitsa zitha kugwiritsidwa ntchito pa intaneti. 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.
Kodi ndingapeze WebM mu tabu ya browser popanda kukhazikitsa chilichonse?
+
Yes — WebM ndi imodzi mwamavidiyo osiyanasiyana omwe amagwiritsa ntchito masamba, chifukwa chake kuchotsa fayilo ku tab kapena kuyika patsamba limagwira ntchito pa desktop ndi mafoni. Izi zimapangitsa kuti zikhale zoyenera kwa chilichonse chomwe chiyenera kusewera patsamba la webusaiti, ndipo ndichifukwa chake kusintha kwa mtunduwu nthawi zambiri ndi njira yofulumira kwambiri ya "vidiyo siyidzasewera patsamba langa".
Kodi ma subtitle m'ma WebM amatha kusankhidwa, kapena kuphulika m'zithunzi?
+
Chosankha, ngati zinawonjezeredwa bwino. WebM imabweretsa ma subtitle monga ma stream awo okha kudzera pa kanemayo, kotero woyang'anira angasinthire zinenero, kuzichotsa, kapena kuzisintha m'mpikisano womwe umathandizira. Ma subtitle osungunukanso ndi otheka - ndi pixels okha m'mphepete - koma ndi okhazikika, ndipo nthawi zina sichingakhale chifukwa chosankha iwo pamene chosungira chimathandizira chinthu choyenera.
Kodi WebM ndi yatsopano kwambiri kuti ithandizidwe kwambiri?
+
Kuchepetsa choncho chaka chilichonse, koma kusiyana ndi lakuti. Software thandizo anafika mofulumira; hardware thandizo akubwera ndi zipangizo zatsopano, ndipo foni, TV kapena wosewera mpira m'mbuyomu inu angathe kungokhala preeminent izo. pamene ali wothandiza ndi kuwerengedwa bwino kuposa mtundu amasintha, chifukwa chake ndi bwino kusintha kwa kutumiza ndi kusinthidwa kwa kugwirizana.
N'chifukwa chiyani pali nyimbo imodzi yokha yomwe imapezeka mu WebM yanga?
+
Chifukwa chake ndicho chilichonse chomwe mtunduwu umatha kunyamula. Ma streams ena a audio angagwiritsidwe ntchito ku WebM, koma kusewera kuthandizira pambuyo pa koyamba kumakhala kopanda malire kuti zida zambiri zimatenga imodzi ndikuchotsa zina. Ngati chiyambi chili ndi ndemanga kapena chilankhulo chachiwiri, chotsani iwo kuti mupange mafayilo osiyana a audio kuposa kuwapatsa chikwama chomwe chimawalamulira. WebM ndi woipa fit kulikonse kunja kwa browser - video olemba, foni's native galleries ndi Smart TVs kwambiri ku ignore izo.
Kodi WebM ikugwirizana ndi Google?
+
Ilipo kuchokera ku Google ndipo imatulutsidwa mosatsegulidwa, ndi zofunikira zomwe aliyense angagwiritse ntchito ndipo palibe ndalama zowonjezera - zomwe ndichifukwa chake mawebusayiti amagwiritsa ntchito mwachangu. Kugwiritsa ntchito kwake sikungayambitse ntchito iliyonse ya Google. Kuthandizira kunja kwa mawebusayiti ndi malire anzeru: ambiri a mapulogalamu a desktop, ma galleri a foni ndi mateleviziyo sakuwerenga.
N'chifukwa Convert WebM kuti wina video mtundu?
+
Konzani WebM kuti MP4 pamene mukufuna kusewera padziko lonse - webusaiti owerenga, zipangizo zamakono, smart TV ndi kusintha mapulogalamu onse kusewera MP4 natively. Konzani WebM kwa webusaiti embedding pamene ochepa kukula kwa fayilo zinthu.
Kodi WebM kusintha re-encode kanema?
+
Ngati codec yochokera m'mavidiyo a WebM ndi yogwirizana ndi mavidiyo a m'mavidiyo ena, titha kuwonjezera mavidiyowa popanda kubwezeretsa (mosavuta, osawonongeka). Ngati codec iyenera kusintha (mwachitsanzo, HEVC kupita ku H.264), kanemayo imasinthidwanso.
