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 FLV fayiloli
AVI zuwa FLV Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan sake encode AVI zuwa FLV ba tare da rasa ingancin bidiyo ba?
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Ka saukar da fayil ɗinka AVI kuma mai canzawa zai yi aiki da wani CRF-da aka gina kan sake-sauya-kodi mai nufin fitarwa mai gani-ba-da-hasara FLV (CRF 18 bisa diff, ƙananan kimar = fitaccen fayil / mafi kyawun inganci). An zaɓi codec don ya haɗu da FLV ƙofar — H.264 don MP4 mai girma, H.265 don MKV mai girma, VP9 ga WebM, AV1 ga sabon pipes. AVI fayiloli da suka wuce codecs na yau da kullum: kallon MPEG-4 Sashe 2 (DivX/Xvid), Motion JPEG ko kuma raw uncompressed frames a matsayin H.264. FLV na da Sorenson Spark ko H.264 bidiyo tare da MP3 ko AAC sauti, da aka rufe a cikin wani stream format tsara ga RTMP bayarwa.
Na AVI bidiyo na nuna layin-ciki a kan motsi - shin wannan zai iya kaiwa cikin FLV?
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Zai yi sai ka yi deinterlace, kuma AVI abun ciki yakan yi interlace saboda wannan sifar ta zo daga zamanin watsa labarai da DVD. Frames na interlaced suna adana fannoni biyu na rabin tsayi da aka kama da kashi goma sha biyu na sakan; akan wani wayar hannu ko allon da ke da tsarin progressive-scan wanda yake karantawa kamar wani latsawa a kan duk abin da ke motsi. Ka kunna zaɓin deinterlace kuma mai yanka zai yi wafer da fannoni cikin dukkanin frame na progressive kafin ya rubuta FLV. 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.
An raba AVI na rikodin zuwa sassa masu lamba - shin FLV na da daidaitacce?
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%s: Ba haka ba, kuma wannan ɗayan dalilan da suka fi kyau na motsa. Mai riƙe AVI yana da wani ma'aunin fayil guda wanda za'a iya amfani da shi wajen yin riƙe-riƙe mai tsawo ko mai tsayi, wanda shi ne dalilin da ya sa an samu riƙe-riƙe da yawa kamar ɓangare1, ɓangare2, ɓangare3. FLV ba shi da wani iyaka mai daidaitawa, don haka za'a iya sake haɗa ɓangarorin cikin fayil guda mai ci gaba. 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 da fayil.
Ina da AVI dauke da wasu waƙoƙin sauti - shin za su iya tsira cikin FLV?
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Ba da aminci ba. AVI na adana saƙon sauti na daban kamar waƙoƙin farko, amma FLV na goyan baya wa wasa bayan waƙoƙin farko yana da rashin daidaito, don haka mafi yawan masu wasa za su nuna ɗaya kawai. Zaɓi waƙoƙin da kake so a gaskiya kafin ka canja; wasu za'a fi kyau a fitar da su zuwa fayilolinsu na musamman fiye da barinsu cikin wani kwandon da ke ɓoye su. AVI ne trivially sauki, wanda ne daidai me ya sa da daɗewa camcorders, karfe, DVD ripping kayan aiki da Windows-era software duk har yanzu fitar da shi. Babu wani mai bincike na yanzu, wayar hannu ko TV da zai iya wasa FLV - duk abin da ke cikin wannan kwandon dole ne a motsa shi daga cikinsa domin ya ci gaba da zama mai gani.
Shin akwai wani maɓalli na canja tsakanin nau'ikan zane biyu kamar AVI da FLV?
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Idan wani ɓangare na kayan aiki na musamman ya buƙaci manufa. Formats biyu sun zo daga irin wannan lokacin da aka yi kafin H.264, don haka babu wani canji da ke siyar da inganci, inganci ko tabbatarwa a gaba - yana siyar da daidaituwa tare da wani na'ura na musamman. Idan manufar ita ce a riƙe bidiyo mai amfani da dogon lokaci, canja zuwa wani akwatin yanzu maimakon gefe.
Wanne codec na bidiyo ne fitarwa FLV take amfani dashi?
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Yana dogara ga kwandon FLV. 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. FLV ne Flash Video jakar da aka yi da muhimmanci duk web video daga kusan 2003 har zuwa Flash aka rufe a ƙarshen 2020.
Shin za'a iya canza waƙoƙina na sauti daga AVI zuwa FLV?
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Yanzu. Idan AVI da FLV 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 FLV 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 AVI zuwa FLV?
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A matsayin diff, na'am — 24fps AVI zai zauna 24fps a cikin FLV; 60fps AVI 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 AVI zuwa FLV?
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Re-mux na codec-daidai (AVI H.264 → FLV 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 FLV 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 FLV codec / kwandon don manufarka. FLV na ƙan per-paketi overhead ya sa shi mai kyau a streaming a kan da ba a iya dogara da haɗin gwiwar na zamanin sa, da kuma manyan archives na shi har yanzu akwai.
Menene lokacin da za'a yi wa canja bidiyo mai awa 1 zuwa AVI zuwa FLV?
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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 AVI → FLV ya ƙare cikin minti 18-40 dangane da daidaita da manufar codec.
Mene ne mafi girman ma'aunin rarraba da ake goyon baya ga AVI zuwa FLV?
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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 AVI and FLV containers support it.
FLV (Flash Video) ne mai video ganga format ci gaba da Adobe. Ana amfani da shi don yawo da bidiyo ta kan layi kuma ana samun goyan bayan Adobe Flash Player.
