MKV → AV1

Maida Naka MKV zuwa AV1 fayiloli da wahala

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Ana lodawa

Yadda ake canzawa MKV zuwa AV1

Mataki na 1: Loda naka MKV fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.

Mataki na 2: Danna maɓallin 'Maida' don fara hira.

Mataki na 3: Sauke fayil ɗin da aka canza AV1 fayiloli

MKV zuwa AV1 Tambayoyin da ake yawan yi game da Canzawa

Ta yaya zan sake enkoɗa MKV zuwa AV1 ba tare da rasa ingancin bidiyo ba?

Ka saukar da fayil ɗinka MKV kuma mai canzawa zai yi aiki da wani CRF-da aka gina kan sake-sauya-kodi mai nufin fitarwa mai gani-ba-da-hasara AV1 (CRF 18 bisa diff, ƙananan kimar = fitaccen fayil / mafi kyawun inganci). An zaɓi codec don ya haɗu da AV1 ƙofar — H.264 don MP4 mai girma, H.265 don MKV mai girma, VP9 ga WebM, AV1 ga sabon pipes. MKV ne codec-agnostic: H.264, HEVC, VP9 da AV1 bidiyo zauna farin ciki kusa da AAC, FLAC, Opus, DTS ko Dolby sauti a cikin daya fayil. AV1 wani codec ne, ba wani kwalba ba — bitstream ɗin na tafiyar da kansa cikin MP4 ko WebM, tare da Opus ko AAC sauti.

Shin, za a yi wasa da AV1 a cikin wani shafukai idan MKV bai yi ba?

Yanzu, wannan shi ne dalilin da ya sa aka yi wannan canji. MKV da aka saka cikin wani shafi na yanar gizo yana nuna wani mai wasa da ya karya ko kuma yana tilasta wani saukewa, saboda masu bincike ba su da wani mai decoder don shi. AV1 yana wasa cikin layin ta hanyar ɓangaren bidiyo na HTML5 na asali ba tare da wata ƙara ba da kuma ba tare da wata shirin ayuka na waje ba. AV1 yana samar da kusan 30% mafi kyau na ƙuntata fiye da H.264 a kan daidaitacce kuma ba ya ɗaukar kuɗin lasisin, wanda shine dalilin da ya sa YouTube da Netflix suka canza shi.

Shin AV1 wani mai riƙewa ne ko kuma codec, kuma shin wannan zai canza abin da zan samu?

@ action

Mene ne codec ɗin bidiyo da fitarwa AV1 take amfani dashi?

Yana dogara ga abin da ke cikin AV1. MP4 na da diff zuwa H.264 domin mafi fadin goyon baya na wasa a kan wayoyin hannu, na'urorin bincike, da Smart TVs. MKV na da diff zuwa H.265 / HEVC don kusan rabin girman fayil da inganci mai kama da. WebM na da diff zuwa VP9. Zaɓuɓɓukan ci gaba suna nuna zaɓin codec mai bayyananne idan kana buƙatar sake shi. AV1 shi ne free-da-rai video codec da Alliance for Open Media ya fitar a cikin 2018 kamar yadda mai zuwa ga VP9.

Shin waƙoƙina na sauti za su iya tsira daga canji daga MKV zuwa AV1?

Na'am. Idan MKV da AV1 suna raba codec na sauti (misal, suna da AAC), za'a sake-muxed sauti ba tare da sake-encode ba - bit-identical. Idan codecs sun bambanta, za'a sake-encode sauti zuwa AAC / Opus / Vorbis dangane da abin da mai riƙe da AV1 ke goyon baya. An kiyaye sauti mai layuka da yawa (waƙoƙin sharhi, yarukan dabam-dabam).

Shin zan iya riƙe ƙimar firam na asali idan na canja MKV zuwa AV1?

A bisa diff, na'am — 24fps MKV zai zauna 24fps a cikin AV1; 60fps MKV zai zauna 60fps. Idan kana buƙatar canza adadin (misali, interlaced 29.97 → progressive 30, ko 60 → 30 don iyakancewar aikawa), zaɓin adadin firam na kula da 3:2 pulldown, deinterlacing, da kuma haɗe-firam a cikin mataki ɗaya na encoding.

Menene girman fayil ɗin zai canza daga MKV zuwa AV1?

Re-mux na codec-daidai (MKV H.264 → AV1 H.264 kawai yana canja kwandon): girman da ya fi daidai. Canjin codec na iya sauya sosai: H.264 → H.265 na iya raba fayil zuwa rabinsa da ingancin gani na daidai; VP9 yana da kama da haka; AV1 na yanke wani 20-30% amma yana da sauri wajen encoding.

Shin fayil AV1 zai iya wasa a kan iPhone, Android, da Smart TVs?

MP4 / H.264 yana wasa a kan kowane na'ura mai zaman kansa. MOV / H.264 yana wasa a kan na'urorin Apple da TVs amma ba koyaushe ba a kan Android na daɗaɗɗen. MKV yana buƙatar VLC akan iOS. WebM shine mai bincike na farko. Zaɓuɓɓukan ci gaba sun haɗa da "haɗin kai na na'ura" da aka ƙayyade da farko wanda ke zaɓar mafi aminci AV1 codec / kwandon don manufarka. AV1 encoding ne mai sauri, kuma kayan aiki decoders kawai bayyana a cikin wayoyin hannu da talabijin daga kusan 2020 zuwa gaba - da manyan na'urorin fadi baya ga iko-hunturu software decoding.

Menene lokacin da ake buƙata don canja bidiyo mai awa 1 daga MKV zuwa AV1?

Same-codec re-mux yana kusa da lokaci-da-lokaci — sakan 30 zuwa 60 ga fayil na sa'a 1. Full codec re-encode yana tafiyar da kusan 0.3-0.7x lokacin asali a kan GPU pipeline ɗinmu, don haka sa'a 1 MKV → AV1 ya ƙare cikin minti 18-40 dangane da daidaita da manufar codec.

Mene ne mafi girman ma'ana da ake goyon baya ga MKV zuwa AV1?

Har zuwa 8K (7680×4320) akan Premium plans. Free conversions are capped at 4K (3840×2160) by the per-file size limit. HDR metadata (HDR10, HDR10+, Dolby Vision when present) is carried through where both MKV and AV1 containers support it.

Shin bidiyo na MKV na sirri ne yayin canjawa zuwa AV1?

Na'am. An yi amfani da fayilolin bidiyo da aka tura a cikin masu aiki masu tsalle-tsalle, ba a taba ganinsu da wani mutum ba, ba a taba sanya su cikin indiya ba, kuma an share su cikin mintina bayan kammalawa. An yi takardar tagar tsare-tsaren a /privacy/ kuma ba mu wallafa wata takardar koyarwar koyarwar daga masu turawa na masu amfani ba.

Shin zan iya yin rarraba, rarraba, ko juyawa yayin canja wurin MKV zuwa AV1?

Ba a cikin mataki guda ba — amfani da /video-trim/ ko /video-cutter/ don a kwafe farko, sa'an nan kuma a gudanar da MKV → AV1 canji. Tsakanin tsawaita da canja shi ne mafi sauri fiye da sake-sauya-ƙoɗar duk MKV kawai don a rufe bidiyo da ba'a amfani da shi ba.

MKV

MKV (Matroska) na iya ɗaukar waƙoƙin bidiyo, sauti, da kuma waƙoƙin subtitle marasa iyaka a cikin fayil ɗaya, wanda ya dace da fina-finai.

AV1

AV1 tsari ne na budadden bidiyo, wanda ba shi da sarauta wanda aka tsara don ingantaccen yawo na bidiyo akan intanet. Yana bayar da ingantaccen matsawa ba tare da lalata ingancin gani ba.