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Kukweza

Momwe mungasinthire AVI ku WebM

Gawo 1: Kwezani yanu AVI 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 WebM mafayilo

AVI ku WebM Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji AVI kupita ku WebM popanda kubwezeretsa kanema wa kanema?

Ngati ma kontena a AVI ndi WebM angagwiritse ntchito codec yomweyo (H.264, H.265, VP9, AV1), wosintha amabwerera ku remuxer: ma streams oyamba amakopedwa ndi byte-by-byte ku WebM kontena ndipo amasintha kokha. Remux ya 1 GB AVI ku WebM nthawi zambiri imatha m'masekondi a 5-15 ndi kuwonongeka kwabwino. AVI owona anayamba m'mbuyomo m'ma codecs m'madera: kuyembekezera MPEG-4 gawo 2 (DivX / Xvid), Motion JPEG kapena raw uncompressed mafano osati H.264. WebM ndi mwanzeru m'mbali: VP8 kapena VP9 kanema (AV1 zaposachedwapa) ndi Vorbis kapena Opus audio, ndi chilichonse chinachake.

Mavidiyo anga a AVI amasonyeza ma liwiro a comb pa msewu - kodi izi zidzabweretsa ku WebM?

Idzachitika ngati simukusintha, ndipo AVI zolemba nthawi zambiri zimasinthidwa chifukwa mtunduwo umachokera kunthawi ya mafilimu ndi DVD. Ma frame ophatikizidwa amasunga madera awiri apakati omwe amatenga masentimita asanu ndi awiri; pafoni kapena monitor ya progressive-scan yomwe imawerenga ngati chotchinga chozungulira pa chilichonse chomwe chimayenda. Ikani njira yosinthira ndipo encoder imapanga madera onse m'ma frame opitilira muyeso pambuyo polemba WebM. AVI ndi Microsoft Audio Video Interleave, anayambitsa mu 1992 pamwamba pa RIFF chunk mtundu - imodzi mwa zaka zakale zinyalalabe m'madera.

Zithunzi zanga za AVI zimagawidwa m'magawo owerengeka - kodi WebM ali ndi malire ofanana?

Sichoncho, ndipo ndi imodzi mwazinthu zabwino kwambiri zosamukira. Konteni ya AVI ili ndi bokosi lokha lokha lomwe limatha kuyendetsa mavidiyo ochepa kapena otsika kwambiri, chifukwa chake makamera oyambirira amafika ngati gawo1, gawo2, gawo3. WebM silimagwirizana, chifukwa chake masamba amatha kuphatikizidwanso mu fayilo imodzi yopitilira. AVI alibe native thandizo kwa codecs zamakono, kusinthasintha framerate, softsubs kapena owona kuposa 4 GB popanda hacks, ndi zake per-chunk overhead bloats fayilo.

Kodi ndingawonjezera ma subtitle osankhika pamene fayilo ndi WebM?

Ndikofunika. AVI ilibe nyimbo yogwiritsa ntchito yopanda malire, chifukwa chake ma subtitle a AVI amayenera kuphulika m'mavidiyo kapena kutumizidwa ngati fayilo ya sidecar yosiyana. WebM amabweretsa ma subtitle monga ma stream awo osankhidwa, chifukwa chake pambuyo posintha mutha kuwonjezera SRT track yomwe woyang'anira angagwiritse ntchito, kuchotsa kapena kubwezeretsa.

My AVI ili ndi maudindo ambiri - kodi onse amapita ku WebM?

Sizotsimikizika. AVI imasunga ma audio ambiri monga ma tracks achiwiri, koma WebM kusewera kuthandizira pambuyo pa gawo loyamba ndilopanda malire, kotero ambiri osewera adzawonetsa imodzi. Sankhani gawo lomwe mukufuna poyamba; ena amaphunzitsidwa bwino ku mafayilo awo oyambirira kuposa kuchoka m'chipinda chokhala ndi ma CD omwe amawateteza. AVI ndi trivially yosavuta, amene ndi chifukwa chake kale camcorders, kusonkhana kagawo, DVD ripping zipangizo ndi Windows-era mapulogalamu onsebebe kutulutsa izo. WebM ndi woipa fit kulikonse kunja kwa browser - video olemba, foni's native galleries ndi Smart TVs kwambiri ku ignore izo.

Kodi WebM idzasewera mu browser pamene AVI siyidzachita?

Ndikofunika, ndipo nthawi zambiri ndichifukwa cha kusintha. A AVI wophatikizidwa mu tsamba la webusaiti amasonyeza wosewera wowonongeka kapena kutsitsa, chifukwa masamba a browsers samapereka decoder kwa iye. WebM amasewera m'masamba mwanjira ya HTML5 video element popanda plugin ndi pulogalamu yakunja. 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 ndi bwino kusintha zolemba zakale za AVI kuti WebM?

Kwa chilichonse chomwe mukufuna kusungira, yeah. AVI ili ndi zaka zakale za video zopanga ndi mapulogalamu omwe amawerenga kuti amawoneka mofulumira kuchokera pafoni, mabrowser ndi maoperating system. Kusintha zithunzi ku WebM pano, pomwe decoder yoyera imakhalabe, ndi kusiyana pakati pa archive yomwe mungatsegule muzaka makumi awiri ndi imodzi yomwe simungathe.

Kodi ma audio ambiri adzapulumuka kusinthidwa kwa AVI kupita ku WebM?

Ndikoyenera - zonse zolemba za audio mu AVI (kuwunika kwa woyang'anira, mabungwe osiyanasiyana, mawu ofotokoza) amasungidwa mu WebM pamene chikwama chofunikira chimathandizira ma audio ambiri. MKV ndi MOV amayendetsa ma audio osatha; MP4 amathandizira ambiri koma ena osewera a hardware amawona kokha track 1; WebM imatha pa Opus / Vorbis track. WebM ndi chigawo cholimba cha Matroska chomwe Google chidatulutsa mu 2010 pofuna kupatsa HTML5 kanema chidebe chopanda royalty.

Kodi ma subtitle amasunga zosunga pamene AVI amasinthidwa kuti WebM?

Ma subtitle olimba (ma tracks osankhika) amapulumuka pamene WebM angawagwiritse ntchito: MKV amagwiritsa ntchito SRT, ASS, SSA, PGS, VobSub mwachilengedwe; MP4 amagwiritsa ntchito mov_text (format yosasinthasintha). Kusintha MKV ndi subs a ASS ku MP4 kumawawononga kuti akhale mov_text kapena kuwalemba. Hardsubs (olembana mu kanema) amagwiritsa ntchito ngakhale.

Kodi AVI mpaka WebM amasunga masamba olemba / kuyendera kwa DVD?

Metadata ya bokosi limasintha pakati pa AVI ndi WebM pamenepo onse awiri amapereka bokosi la atomu (MKV, MP4, MOV). WebM imasunga bokosi m'ma block ogwirizana ndi Matroska, choncho MKV <-> WebM bokosi limayenda molimba. AVI sichimakhala ndi bokosi la spec, choncho kusintha kwa AVI ku WebM kumabweretsa fayilo yosasinthika ngati simuwonjezera ma markers m'manja.

Kodi ndi chiyani za MKV zowonjezera (fonti, kusindikiza) pamene mukupita AVI ku WebM?

MKV ndi yokha mainstream yokhala ndi ma fayilo ophatikizidwa (TTF fonts for ASS subs, JPG cover art, fan-translated PDF inserts). Kuchokera ku AVI kupita ku WebM kumachotsa ma attachments pamene WebM si MKV - ma streams elementary amasinthidwa, koma payload ophatikizidwa amakhala m'malo ochokera. Tengani AVI ngati chitetezo ngati mumatengera ma fonts ophatikizidwa.

Kodi codec yomwe WebM imagwiritsa ntchito ndi yosasinthika?

Kodiyi ya default imasankhidwa kuti igwirizane ndi WebM yokhala ndi katundu: MKV imasinthidwa kukhala H.265 (HEVC) kuti ikhale yolimba kwambiri; MP4 imasinthidwa kukhala H.264 kuti ikhale yolimba kwambiri; WebM imasinthidwa kukhala VP9; AVI imagwiritsa ntchito MPEG-4 ASP (DivX / Xvid linage).