Mataki na 1: Loda naka FLV 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 AVI fayiloli
FLV zuwa AVI Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan sake enkoɗa FLV zuwa AVI ba tare da rasa ingancin bidiyo ba?
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Ka saukar da fayil ɗinka FLV kuma mai canzawa zai yi aiki da wani CRF-da aka gina kan sake-sauya-kodi mai nufin fitarwa mai gani-ba-da-hasara AVI (CRF 18 bisa diff, ƙananan kimar = fitaccen fayil / mafi kyawun inganci). An zaɓi codec don ya haɗu da AVI ƙofar — H.264 don MP4 mai girma, H.265 don MKV mai girma, VP9 ga WebM, AV1 ga sabon pipes. 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. 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.
Shin akwai wani maɓalli na canja tsakanin nau'ikan zane biyu kamar FLV da AVI?
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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. 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. 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.
Mene ne codec ɗin bidiyo da fitarwa AVI take amfani dashi?
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Yana dogara ga abin da ke cikin AVI. 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. 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.
Shin waƙoƙina na sauti za su iya tsira daga canji daga FLV zuwa AVI?
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Na'am. Idan FLV da AVI 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 AVI 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 FLV zuwa AVI?
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A bisa diff, na'am — 24fps FLV zai zauna 24fps a cikin AVI; 60fps FLV 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 FLV zuwa AVI?
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Re-mux na codec-daidai (FLV H.264 → AVI 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 AVI zai iya wasa a kan iPhone, Android, da Smart TVs?
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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 AVI codec / kwandon don manufarka. 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.
Menene lokacin da ake buƙata don canja bidiyo mai awa 1 daga FLV zuwa AVI?
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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 FLV → AVI ya ƙare cikin minti 18-40 dangane da daidaita da manufar codec.
Mene ne mafi girman ma'ana da ake goyon baya ga FLV zuwa AVI?
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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 FLV and AVI containers support it.
Shin bidiyo na FLV na sirri ne yayin canjawa zuwa AVI?
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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.
Ba a cikin mataki guda ba — amfani da /video-trim/ ko /video-cutter/ don a kwafe farko, sa'an nan kuma a gudanar da FLV → AVI canji. Tsakanin tsawaita da canja shi ne mafi sauri fiye da sake-sauya-ƙoɗar duk FLV kawai don a rufe bidiyo da ba'a amfani da shi ba.
Me ya sa fayil AVI ya yi duhu idan aka kwatanta da wurin asali FLV?
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A ko'ina ana samun daidaitattun bitrate-too-low. Sake-saukar da alamun shafi daga bitrate mai girma FLV zuwa CRF-diff AVI yana da matukar nauyi a kan abubuwan da ke da yawa na motsi. Ka saukar da CRF zuwa 16-18, ko ka ƙayyade wani bitrate na manufa mai bayyananne wanda ya dace da FLV, kuma AVI zai dawo da haskensa. 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.
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.
