Mataki na 1: Loda naka MOV 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
MOV zuwa AV1 Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan sake encode MOV zuwa AV1 ba tare da rasa ingancin bidiyo ba?
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Ka saukar da fayil ɗinka MOV 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. A MOV a kan yi amfani da H.264 ko HEVC ga bayarwa, ko ProRes idan shi ne mai gyara master, tare da AAC ko uncompressed PCM sauti. 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 MOV bai yi ba?
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Yanzu, wannan shi ne dalilin da ya sa aka yi wannan canji. MOV 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 za su ci gaba da wasa cikin sauƙi a kan waya ko TV?
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Zai iya ba. MOV ana decode da silicon mai dacewa a kan wayoyin hannu, kwamfutoci da TV, wanda shi ne dalilin da ya sa yake wasa ba tare da ya yi wa batirin damuwa ba. AV1 na da yawa yana komawa ga decode na kayan aikin a kan irin wannan kayan aiki — mafi girman nauyi na CPU, mai zafi na'ura, da kuma rarraba firam a kan abun 4K. Ga wani manufa na'ura, MOV shi ne mafi aminci na'urar da za'a zauna cikinta. 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.
Shin AV1 wani mai riƙewa ne ko kuma codec, kuma shin wannan zai canza abin da zan samu?
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Wanne codec na bidiyo ne fitarwa AV1 take amfani dashi?
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Yana dogara ga kwandon AV1. MP4 na da ƙa'idodin H.264 domin mafi fadin goyon baya na wasa a kan wayoyin hannu, masu bincike, da Smart TVs. MKV na da ƙa'idodin H.265 / HEVC don kusan rabin girman fayil da inganci mai kama. WebM na da ƙa'idodin VP9. Zaɓuɓɓukan ci gaba suna nuna zaɓin codec mai bayyananne idan kana buƙatar canza 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 za'a iya canza waƙoƙina na sauti daga MOV zuwa AV1?
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Yanzu. Idan MOV da AV1 sun raba wani codec na sauti (misala, suna da AAC), za'a sake-muxed sauti ba tare da sake-encoding ba - bit-identical. Idan codecs sun bambanta, za'a sake-encoding sauti zuwa AAC / Opus / Vorbis dangane da abin da ƙuƙuman AV1 ke goyon baya. An riƙe sauti na shirye-shirye da yawa (koyarwar, harsuna daban-daban).
Shin zan iya riƙe ƙimar firam na farko idan na canja MOV zuwa AV1?
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A matsayin diff, na'am — 24fps MOV zai zauna 24fps a cikin AV1; 60fps MOV zai zauna 60fps. Idan kana buƙatar canza adadin (misali, interlaced 29.97 → progressive 30, ko 60 → 30 don haɗe-haɗe), zaɓin adadin firam zai kula da 3:2 pulldown, deinterlacing, da frame-blending a cikin mataki na encoding guda.
Menene girman fayil ɗin da zai canza daga MOV zuwa AV1?
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Re-mux na codec-daidai (MOV H.264 → AV1 H.264 kawai yana canja kwandon): kusan girman da ya daidaita. Canjin codec na iya yin tasiri: H.264 → H.265 na iya raba fayil zuwa rabin a matsayin ingancin gani; VP9 yana da daidaituwa; 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?
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MP4 / H.264 yana wasa da asali akan kowane na'ura mai zamani. MOV / H.264 yana wasa a kan na'urorin Apple da yawa TV 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 ke zaɓar mafi aminci AV1 codec / kwandon don manufarka.
Menene lokacin da za'a yi wa canja bidiyo mai awa 1 zuwa MOV zuwa AV1?
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Re-mux na codec-daidai yana kusa da lokaci-da-lokaci - sakan 30 zuwa 60 ga fayil na sa'a 1. An sake-encode na codec-da-gaske yana tafiya a kusan 0.3-0.7x lokacin asali a kan GPU pipeline ɗinmu, don haka 1-hour MOV → AV1 ya ƙare cikin minti 18-40 dangane da daidaita da manufar codec.
Mene ne mafi girman ma'aunin rarraba da ake goyon baya ga MOV zuwa AV1?
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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 MOV and AV1 containers support it.
Shin MOV bidiyo na na sirri ne yayin canjawa zuwa AV1?
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Yanzu. An yi amfani da fayilolin bidiyo da aka canza zuwa cikin aiki na musamman, ba a gani ba ta mutum, ba a sanya su cikin indiya ba, kuma an share su cikin mintina na kammalawa. An yi takardar tagar tsarewa a /privacy/ kuma ba mu wallafa wata ƙungiya ta koyarwar daga canzawa daga mai amfani ba.
AV1 wani buɗaɗɗe ne, tsarin matsi na bidiyo mara sarauta wanda aka ƙera don ingantaccen yawo na bidiyo akan intanet. Yana bayar da ingantaccen matsawa ba tare da lalata ingancin gani ba.
