Fayilo ndi yabwino; wosewerayo wachoka. FLV imakhala ndi kanema wosinthidwa ndi kanema, kotero chida cha desktop chomwe chimasiya kuganizira nkhani ya plug-in ya msakatuli chimawerenga popanda vuto. Zomwe sizikupezekanso ndi njira iliyonse yotsegulira imodzi - palibe msakatuli, palibe foni, palibe TV. Kusintha sikungokhala ndi kusamalira kosankha, ndi njira yokhayo yomwe makanema amawoneka. No msakatuli watsopano, foni kapena TV angagwiritse ntchito FLV - chilichonse choterobe mu bokosi lachitsulo ayenera kunyamula kunja kwa izo kuti azikhala watchable.
Kodi FLV ndi mtundu wotha?
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Kuchokera pa mfundo ya kutumiza, yeah — ecosystem amene ananyamula izo analephera, ndi chilichonse inu ndithudi ndi kuthekera atsegule fayilo ndi lero amathandiza izo. Kuchokera pa archive izo ndi kwambiri moyo: zochuluka kwambiri zipangizobe kulowa mu izo. Kusintha si modernization kwa cholinga chake; izo ndi kusiyana pakati pa kanema inu mukhoza kuyang'ana ndi kanema inu simungathe.
Nchifukwa chiyani zinthu zambiri za webusaiti zimaperekedwa ngati FLV?
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Chifukwa cha izi, imapangidwa kuti ikwaniritse ntchitoyi: mafayilo ang'onoang'ono, kukhazikitsidwa kwamphamvu, palibe plugin ndi lisensi yokhumudwitsa. Izi zimapangitsa kuti ikhale yoyenera pakupanga ndi kulephera pazinthu zonse - zosintha, ma galleri a foni ndi zida zakale zimazi ignore. Kusintha kwa mtundu wazofunikira ndi zomwe zimapangitsa kuti zinthu zomwe zatsitsa zitha kugwiritsidwa ntchito pa intaneti. FLV ya pansi pa-packet overhead anachititsa izo zabwino pa streaming pa unreliable kugwirizana wa nthawi yake, ndi mabuku akuluakulu a izobe zilipo.
N'chifukwa chiyani msakatuli wanga sadzasewera fayilo ya FLV?
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Masamba osaka amapereka decoders kwa mndandanda wofupika wa mtundu, ndipo FLV si pa izo - kuvomereza, mtundu wa codec yomwe imalola, kapena nthawi yake yokha imaletsa. Fayilo si yowonongeka ndipo wosewera wa desktop adzatsegula, koma palibe chomwe mungachite patsambalo kuti mupange msakatuli. Kusintha ku web-native container ndi njira yokha yodalirika yosewera pagulu.
Nchifukwa chiyani FLV kusewera kumathamanga kapena kuyendetsa bwino pa makina oyambirira?
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Chifukwa chake chimasinthidwa mu software. Ma decoders a hardware video amaphatikizapo mndandanda wokhazikika wa mafomu, ndipo FLV ndi kunja kwa izi pazinthu zambiri, kotero kuti chilichonse chimasinthidwa ndi CPU. Pa desktop yatsopano yomwe ndi yowononga; pafoni, laptop yakale kapena smart TV imawonekera ngati ma frame osunthira, mpweya wa fan ndi kutulutsa batri. Kusintha kwa mtundu wothandizidwa ndi hardware kumachotsa vuto lonse. FLV nthawi zambiri ali Sorenson Spark kapena H.264 kanema ndi MP3 kapena AAC audio, wopangidwa mu stream format anapanga kwa RTMP kutumiza.
Kodi ma subtitle amapita ku FLV fayilo?
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Pamodzi ndi izo, kapena m'malo mwake. FLV siyimakhala ndi ma subtitle ake okha, choncho njira ziwiri ndi.srt fayilo ya sidecar yomwe wosewerayo amayika pamodzi ndi kanemayo, kapena kulemba mawu m'ma frame nthawi yosintha. Sidecar imasunga ma subtitle omwe angasinthidwe ndi kusinthidwa koma imayenda ngati fayilo yachiwiri yomwe ndi yosavuta kuwonongeka; kulemba kumatha kuwononga chilichonse chosinthidwa koma sichingathe kulepheredwa pambuyo pake.
N'chifukwa chiyani pali nyimbo imodzi yokha yomwe imapezeka mu FLV yanga?
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Chifukwa chake ndicho chilichonse chomwe mtunduwu umatha kunyamula. Ma streams ena a audio angagwiritsidwe ntchito ku FLV, koma kusewera kuthandizira pambuyo pa koyamba kumakhala kopanda malire kuti zida zambiri zimatenga imodzi ndikuchotsa zina. Ngati chiyambi chili ndi ndemanga kapena chilankhulo chachiwiri, chotsani iwo kuti mupange mafayilo osiyana a audio kuposa kuwapatsa chikwama chomwe chimawalamulira.
N'chifukwa kutembenuza FLV kuti wina video mtundu?
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Konzani FLV kuti MP4 pamene mukufuna kusewera padziko lonse - webusaiti owerenga, zipangizo zamakono, smart TV ndi kusintha mapulogalamu onse kusewera MP4 natively. Konzani WebM kwa webusaiti embedding pamene ochepa kukula kwa fayilo zinthu.
Kodi FLV kusintha re-encode the video?
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Ngati codec m'ma FLV ndi yogwirizana ndi chida chofunikira, tidzasintha popanda kubwezeretsa (mosavuta, osawonongeka). Ngati codec iyenera kusintha (mwachitsanzo, HEVC kupita ku H.264), kanemayo imasinthidwanso. Kusinthaku kumachitika mofulumira, ndi mtengo wotsika wa mtundu wa mtundu.
