FLV → WMV

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. WMV ne a cikin gaskiya wani babbar hanya: macOS, iOS, Android da kuma kowane mai bincike bukatar na uku-party decoders, da kuma wasu WMV fayiloli dauke DRM da ba za a iya canja wurin a kan duka.

Na'am — duk waƙoƙin sauti a cikin FLV (waƙoƙin mai shiryawa, yarukan dabam, waƙoƙin bayani) ana kiyaye su a cikin WMV idan mai nema na goyon bayan waƙoƙin sauti masu yawa. MKV da MOV suna kula da waƙoƙin sauti ba tare da iyaka ba; MP4 yana goyon bayan da yawa amma wasu masu wasa da na'urorin haɗi suna ganin waƙoƙin 1 kawai; WebM ana hana shi a waƙoƙin Opus / Vorbis guda. WMV ne Windows Media Video, Microsoft na ASF-daidaitacce format daga Windows XP zamanin.

Subtitles soft (tracks da ake iya zãɓewa) suna tsira idan WMV zai iya ɗaukar su: MKV yana da SRT, ASS, SSA, PGS, VobSub a matsayin native; MP4 yana da mov_text kawai (farashin da aka rufe). Canja MKV tare da ASS styled subs zuwa MP4 zai iya sa su kasa zuwa mov_text ko kuma a toshe su. Hardsubs (an toshe su cikin bidiyo) suna tsira duk da haka.

Metadata na babi na canja tsakanin FLV da WMV duk lokacin da bangarorin biyu ke goyon bayan wani atom na babi (MKV, MP4, MOV). WebM na adana babi a cikin wani ɓangaren da ya dace da Matroska, don haka MKV <-> WebM na dauke da babi-zuwa-baya cikin tsabta. AVI ba shi da wani bayani na babi, don haka canja AVI zuwa WMV zai samar da fayil da ba a raba shi ba sai idan ka ƙara alamun shafi da hannu.

MKV shi ne mai sarrafa maɓallin maɓalli kawai wanda ke adana fayilolin da aka haɗa (TTF fonts for ASS subs, JPG cover art, fan-translated PDF inserts). Zuwa daga FLV zuwa WMV yana daure waɗannan maɓallan idan WMV bai zama MKV ba — maɓallan elemental na canjawa, amma nauyin da aka haɗa yana zaune a cikin tushen. Ka riƙe FLV a matsayin madadin idan kana dogara da maɓallan da aka haɗa.

An zaɓi codec ɗin diff don ya haɗu da mai riƙe WMV da kyau: MKV diff zuwa H.265 (HEVC) don mafi kyawun ƙuntata; MP4 diff zuwa H.264 don mafi faɗin goyon baya na na'ura; WebM diff zuwa VP9; AVI yana amfani da MPEG-4 ASP (DivX/Xvid lineage). Yaƙin neman zaɓe ta hanyar jerin kayan aikin codec na ci gaba — AV1 yana da samuwa ga MKV / WebM inda kake so mafi girman ƙuntata kuma zaka iya jira ta hanyar ƙuntata. WMV compresses kyau ga shekarunsa da kuma ke nan da format PowerPoint, da kuma mafi girma Windows allon rikodin da kuma kamfanin kafofin watsa labarai littattafai tsammani.

Metadata na HDR na canzawa (HDR10 masu nuna kimar, matsakaicin matsakaicin matsakaici) yana tafiyar da WMV idan kowace ƙuƙumma da codec ɗin da aka zaɓa suna goyon baya (HEVC, AV1 a cikin MKV / MP4). Dolby Vision yana da tsananin rauni — siffar DV 5 / 7 / 8.1 a cikin FLV tana da ƙarfi kawai a cikin MKV tare da HEVC; canjawa zuwa ƙuƙumma WMV da ba ta da ɗakin DV yana daidaita zuwa HDR10.

MKV da WebM suna rikodin lokaci-da-firam na gaskiya kuma suna kula da VFR na asali, don haka FLV VFR yana tsira cikin WMV daga cikin waɗannan sifofin ba tare da sake-samuwa ba. MP4 na adana lokaci-da-samuwa kuma amma wasu masu wasa suna tsammanin CFR; mai maida yana nuna wani "ciwon CFR" toggle wanda ke sake-samuwa VFR FLV zuwa 24 / 30 / 60 fps WMV ga burin da ke da matsala.

Same-codec remux na samar da girman da ya kusan daidai (cikin kwandon da ke da bambanci na 0.1-2%). Canjin codec na iya juya girman da 50% ko fiye: H.264 zuwa H.265 na iya raba fayil din da rabi da ingancin gani na daidai; H.264 zuwa AV1 na raba shi da rabi a kan wani ƙananan ƙayyadadden. Zuwa daga high-bitrate FLV (Blu-ray rip) zuwa low-bitrate WMV (web upload) shi ne dalilin da ya fi yawa na daina aiki.

Na'am har zuwa 8K (7680x4320) akan Premium. Mataki na kyauta yana kula da 4K (3840x2160) har zuwa iyakar fayil na 1 GB. Remuxes na tsarki (dauke da codec guda) na FLV mai girma zuwa WMV ana iyaka da shi ta hanyar I/O na diski, ba CPU ba — FLV mai 30 GB na iyakance zuwa WMV cikin minti daya ko da yake da ma'aunin. Ana sake-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sa

Na'am — an yi aiki da fayilolin FLV da aka tura a cikin masu aiki masu tsalle-tsalle kuma an share su cikin mintina na kammalawa. Ba za mu taba ganin, adana, riƙe, ko raba abun cikin ba. Ka duba /privacy/ don taga riƙe bayanan. Tashar canja wurin tana tafiya akan kayan aiki da muke kula da su daga ƙarshe zuwa ƙarshe; babu wani API na ɓangare na uku da zai karɓi fayil ɗinka. 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.