Mataki na 1: Loda naka AVI 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 TIFF fayiloli
AVI zuwa TIFF Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan fitar da firam na daban daga AVI kamar TIFF hotuna?
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Ka shigar da fayil AVI kuma mai maida zai nuna mai zaɓar fitar da firam: kowace firam ta Nth, firam a lokacin da aka ƙayyade, ko firam ɗaya a kowane sakan. An canza alamun shafi na kowace firam da aka zaɓa daga zubin bidiyo na AVI, an alamun shafi a matsayin fayil na daban na TIFF, kuma an haɗa shi a matsayin ZIP don saukewa. AVI ne Microsoft na Audio Video Interleave, gabatar a cikin 1992 a kan saman na RIFF chunk format - daya daga cikin mafi tsawo akwatunan har yanzu a cikin zirga-zirga. TIFF shi ne Format na Fayil na Hoto mai Dauke da Alama daga 1986, kuma shi ne format na scanning, publishing da kuma masana'antu na adana bayanai da aka ƙaddara a kan.
Me ya sa firam ɗin da na fitar da su suna da layuka masu daidaita a cikinsu?
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Saboda tushen yana da haɗewa. AVI abun ciki daga zamanin watsa labarai da DVD yana adana fannoni biyu na tsayi na rabin a kowace firam, an kama su da kashi hamsin na sakan a tsakiyar, kuma wani ɓoyayye da aka rufe ya nuna su biyu sun haɗe tare kamar yadda ake rufewa a kan duk abin da ya motsa. Ka kunna ɓoyayyewa kafin fitarwa kuma kowace ɓoyayyewa za'a gina daga firam na gabaɗaya mai sake ginawa.
Shin zan iya samun TIFF frame ba tare da sunaye ba?
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Idan AVI ba ta taba rubuta su ba, saboda AVI ba ta da wani maɓalli na zaɓar maɓallin ƙarya da za'a iya rufe. Duk abin da AVI ke nunawa akan fuskar kwamfyuta yana cikin hoton kansa, don haka yana cikin duk TIFF da aka fitar da shi kuma babu wani tsari da zai cire shi bayan haka. Idan akwai fayil na ƙarya daban a kusa da bidiyo, fitar da shi daga wani maɓalli da ya riƙe su biyu dabam kuma firam ɗin za su fito da kyau. AVI ba ta da goyon baya na asali ga codecs na zamani, frame rate mai canzawa, softsubs ko fayiloli sama da 4 GB ba tare da hacks, da kuma per-chunk overhead bloats fayil.
Shin fitarwa TIFF tana goyon bayan ɓoyayyiyar haske?
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Wannan sifar tana da, amma mai samarwa ba shi da alfa don ya ba shi — firam ɗin bidiyo da shafuka masu nunawa suna da launi mai launi, don haka duk piksel na zuwa da ƙarfi. Shirin alfa yana da amfani a bayan haka: yana nufin zaka iya yanke wani abu daga TIFF bayan haka ba tare da canja sifar ba. @ action
Mene ne girman fayilolin TIFF?
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Mafi girma fiye da yadda kake tsammani, saboda TIFF yana riƙe duk pixel daidai ba tare da kusantar ba. 1080p na ci gaba da zama a kusa da 2-5 MB kuma 4K yana ci gaba da zama a kusa da 6-15 MB, don haka wani dogon tafiyar da fitarwa na ƙarawa cikin sauri. Wannan shi ne daidai lokacin da hotunan ke ci gaba da sarrafawa, kuma ba daidai ba lokacin da suke tafiya kai tsaye zuwa wani shafi na yanar gizo. TIFF wani akwatin da ya fi codec: zai iya riƙe bayanai ba-da-ƙuƙumi, LZW, ZIP ko har ma JPEG, a har zuwa bita 32 ga kowace hanya, da shafuka da yawa a cikin fayil guda.
Shin fayil mai girma AVI zai iya aikawa da nasara?
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Free accounts cap at 100 MB per file, and AVI sources run large because the format carries substantial per-chunk overhead on top of the video data. Premium raises the cap considerably. If the file is split into numbered parts because of the format ceiling, upload them together and they are treated as one job.
A wane ma'aunin haske ne TIFF hotunan da aka fitar suke fitowa?
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Ma'ana ɗaya da wurin asali AVI: 1080p AVI na samar da firam 1920x1080 TIFF, 4K AVI na samar da firam 3840x2160 TIFF. Mai musanya ba ya kara girma ko rage girman firam — ana cire girman piksel kai tsaye daga firam ɗin da aka canza girmansa. Yi amfani da /resize-image/ bayan fitarwa idan kana buƙatar hotunan ƙananan.
Shin zan iya fitar da kowace firam na AVI kamar TIFF?
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Na'am, amma ka lura da adadin fayil - 30 fps 1-dakika AVI na samar da TIFF firam 1,800. Muna sanya su cikin wata ZIP ta atomatik. Ga bidiyo mai tsawo, ka fi son "1 a kowace sakan" da aka ƙayyade (60 firam a kowace minti) ko ka zaɓi wasu lokaci-da-saita. Wata sa'a ta AVI a kowace-firam za ta samar da ~100,000 TIFF hotuna.
Shin firam TIFF za su kiyaye sakamako na launin AVI?
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Na'am — an canza launi da ma'adinai guda da ma'adinan asali AVI ke nunawa (BT.709 ga HD, BT.2020 ga 4K HDR). An yi ma'adinai na HDR da maɓallin-tone zuwa SDR lokacin da ake fitarwa zuwa TIFF wanda ba zai iya adana yankuna na piksel na HDR ba (JPG, PNG-8). Yi niyya ga PNG-16 ko TIFF mai girman bita idan kana buƙatar kiyaye yankuna masu sauya-sauya.
Mene ne girman firam TIFF da aka fitar a cikin diski?
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Yana dogara da daidaitacce da kuma zaɓin TIFF codec: firam na 1080p PNG yana da 2-5 MB ba tare da asara ba, firam na 1080p JPG mai inganci 85 yana da 200-500 KB. Ka riƙa ƙidaya da ƙididdigar firam don girman ZIP — a mafi girma, duk fitarwa ta firam na PNG na minti 10 na 1080p AVI yana da kusan 50 GB kuma yana samun rarrabawa a cikin ZIP masu yawa.
Shin an fitar da TIFF yana riƙe da metadata EXIF na kamara?
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Wani AVI mai riƙe da kayan aiki ba ya ɗaukar EXIF na kowane firam kamar yadda kamara mai tsayawa take yi, don haka fayilolin TIFF suna fitowa da kwalaye EXIF marasa amfani. Mai maida yana ƙunsa wani filin `creation_time` wanda ke nuna zuwa lokacin firam na asali, don haka zaka iya sake-sarrafa ƙuƙumma cikin tsari na lokaci ko kuma danganta da alamomin ƙarshen rubutu / babi.
Da yawa lokaci ake buƙata don fitar da firam daga AVI zuwa TIFF?
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An yi sauri wajen cire alamun shafi - a kan 20-30% na lokacin da ake amfani da shi. Ɗaya daga cikin AVI -> TIFF na minti 5 zai ƙare cikin minti 1 ko da yaushe, ko da yaushe ka zaɓa, saboda matsalar ita ce mai alamun shafi TIFF yana rubuta fayiloli da yawa masu ƙaranci a cikin daidaito, ba mai alamun shafi AVI ba.
