WebM → AV1

Chinja Yako WebM kuti AV1 mafaira pasina simba

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Maitiro ekushandura WebM kuti AV1

Danho 1: Isa yako WebM mafaira uchishandisa bhatani riri pamusoro kana nekudhonza nekudonhedza.

Danho rechipiri: Dzvanya bhatani rekuti 'Convert' kuti utange kushandura.

Danho rechitatu: Dhawunirodha yako yakashandurwa AV1 mafaira

WebM kuti AV1 Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kudzokorora kurodha WebM kuenda ku AV1 pasina kushaya mhando yevhidhiyo?

Upload yako WebM faira uye mushanduri unoenderera neCRF-based re-encode inotarisana nevisually-lossless AV1 output (CRF 18 sezvakarongwa, zvishoma zviyero = hombe faira / yepamusoro mhando). Codec inosarudza kusangana neAV1 container - H.264 yeyakakwira-compat MP4, H.265 yemhando-inodhura MKV, VP9 yeWebM, AV1 yezvinotsva mapurojekiti. WebM isiri nyore kuisa: VP8 kana VP9 video (AV1 yapfuura) neVorbis kana Opus audio, uye hapana chimwe. AV1 i codec, kwete chivharo — iyo bitstream inofamba mukati meMP4 kana WebM, yakabatanidzwa neOpus kana AAC audio.

Chii chinogona kuitika kana AV1 ichitora zvinyorwa zviviri?

Yeah, uye ndiyo yakasarudzika kuvandudzwa pane WebM. AV1 inobata chero audio stream seyekutanga-mhando track, saka mutsara wekutanga wechirungu, dub uye director's commentary anogona kugara muimwe faira nemutambi achichinja pakati pavo pavanoda. AV1 inopa 30% yakaderera kumanikidza kupfuura H.264, uye haina mari yekubhadharisa, saka YouTube neNetflix vanoishandisa.

Ndeapi AV1 anotsigira zvinyorwa zvechikamu zviratidzo izvo WebM hazvina?

AV1 ichengeta mabhuku semetadata ebhokisi, saka bhuku rinogona kuendeswa nechikamu sezviri mukati, kwete nekucheka mutsara wekumhanya. WebM haina chero nzvimbo yekuisa iyo ruzivo, saka kana iyo nzvimbo yakatakura nebhuku rebhuku, yaive mu file sidecar - shandisa iyo converter uye inonyorwa mu AV1.

I AV1 icharamba ichitamba zvakanaka pafoni kana paTV?

Zvinogona kunge zvisina. WebM inodzokororwa neyakazvimirira silicon pafoni, matablets uye TVs, izvo zvinoita kuti iite pasina kusvibisa bhatiri. AV1 zvinonyanya kudzokera kusoftware decoding pane iyo imwechete hardware - yakakwira CPU kumanikidza, yakanyanya kupisa chigadzirwa, uye yakadonha maframes pa4K zvinhu. AV1 encoding inguva pfupi, uye hardware decoders yakaonekwa chete mufoni uye TV kubva pamakore 2020 kusvika parizvino - zvigadzirwa zvekare zvinodzokera kusoftware decoding.

I AV1 iri chivharo kana codec, uye kana ichichinja zvandinowanazve?

Ichi chinochinja zvatingatarisira kubva ku output file. Imwe pfungwa yechikonzero ichi ndechekuti, kana tichichinja, tichashandisa encoding sezviri nyore kupfuura wrapper, saka zvatichawana ndezvekuti, kana tichichinja, tichashandisa iyo bitstream mukati mechikonzero chinotibatsira—semuenzaniso, MP4 kana MKV. Kuwedzera kunotaura nezvechikonzero; codec ndiyo inosarudza saizi yechikonzero uye kuti ichatamba sei.

Ndeipi video codec iyo AV1 output inoshandisa?

Zvinoenderana neAV1 container. MP4 inoiswa kuH.264 kuti itsigire kutamba kwefoni, mabhurawuza, uye Smart TVs. MKV inoiswa kuH.265 / HEVC kuti iite hafu yefayela resize nemhando imwechete. WebM inoiswa kuVP9. Zvitsva zvinopa sarudzo dze codec kana iwe uchida kubvisa. AV1 inonzi isiri-yemahara video codec iyo Alliance for Open Media yakaburitsa muna 2018 seyemutevedzeri weVP9.

Ndichakwanisa sei kushandura yangu audio track kubva ku WebM kuenda ku AV1?

Yeah. Kana WebM ne AV1 vachishandisa imwe codec (semuenzaniso, vaviri vacho vane AAC), audio inoshandurwa pasina kushandura-kunyorazve — imwechete-bit. Kana codecs dzichisiyana, audio inoshandurwa kuita AAC / Opus / Vorbis zvichienderana nezvinotsigira AV1. Multi-track audio (kutaura, mamwe matauro) anochengetwa.

Ndinogona here kuchengeta iyo yazvino framerate kana ndichishandura WebM kuenda ku AV1?

Nekuzvimisikidza hapana — 24fps WebM inoramba 24fps mu AV1; 60fps WebM inoramba 60fps. Kana iwe uchida kuchinja mwero (semuenzaniso, interlaced 29.97 → progressive 30, kana 60 → 30 yeupload limits), iyo framerate sarudzo inobata 3: 2 pulldown, deinterlacing, uye frame-blending mune imwe encode pass.

Chii chinochinja saizi yefaira kubva ku WebM kuenda ku AV1?

Same-codec re-mux (WebM H.264 → AV1 H.264 chete ichichinja chigaro): saizi yakafanana. Kuchinja kweCodec kunogona kuchinja zvakanyanya: H.264 → H.265 zvinotora hafu yefayela nemhando imwechete yekuona; VP9 inenge ichienzana; AV1 inotora 20-30% asi inononoka kurodha.

Chinyorwa che AV1 chinotamba pa iPhone, Android, uye Smart TVs?

MP4 / H.264 inotamba zvakananga pane chero chishandiso chemazuva ano. MOV / H.264 inotamba paApple zvigadzirwa uye mamwe maTV asi kwete nguva dzose pakare Android. MKV inodiwa VLC paIOS. WebM ndeyebrowser-kutanga. Yakakwira sarudzo dzinosanganisira "device compatibility" preset iyo inotora iyo yakanyanya kuchengetedzeka AV1 codec / container yechinangwa chako.

Ndeipi nguva yekushandura 1-hour WebM video kuenda ku AV1?

Same-codec re-mux ndeyekukurumidza - 30 kusvika 60 masekondi e1-hour file. Full codec re-encode inofamba pa0.3-0.7x source duration paGPU pipeline yedu, saka 1-hour WebM → AV1 inosvika pa18-40 maminitsi zvichienderana ne resolution uye target codec.

Ndeipi iyo yakanyanya resolution inotsigirwa ye WebM kusvika ku AV1?

Kusvika 8K (7680 × 4320) paPremium mapurojekiti. Maitiro emahara anorambidzwa kusvika pa4K (3840 × 2160) nechiyero chefaira. HDR metadata (HDR10, HDR10+, Dolby Vision kana paine) inoendeswa kuburikidza neWebM neAV1 zvidhinha zvinotsigira.

WebM

WebM yakagadzirirwa webhu, ichipa mavhidhiyo asingabhadhariswe mari yekushandisa uchishandisa macodecs eVP8/VP9.

AV1

AV1 yakavhurika, yehumambo-yemahara vhidhiyo yekumanikidza fomati yakagadzirirwa kunyatsoita vhidhiyo kutenderera painternet. Inopa yakakwirira compression kunyatsoshanda pasina kukanganisa maitiro ekuona.