FLV → WebM

Chinja Yako FLV kuti WebM mafaira pasina simba

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Maitiro ekushandura FLV kuti WebM

Danho 1: Isa yako FLV mafaira uchishandisa bhatani riri pamusoro kana nekudhonza nekudonhedza.

Danho rechipiri: Dzvanya bhatani rekuti 'Convert' kuti utange kushandura.

Danho rechitatu: Dhawunirodha yako yakashandurwa WebM mafaira

FLV kuti WebM Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kushandura FLV kuenda ku WebM pasina kudzokorora kurodha pasi kwevhidhiyo?

Kana FLV uye WebM zvidimbu zviviri zvinogona kutakura iyo imwechete codec (H.264, H.265, VP9, AV1), mushanduri unodzokera ku remux: zvidimbu zvidiki zvinokodzera byte-by-byte mu WebM chidimbu uye chete wrapper ichange. Remux ye1 GB FLV mu WebM inotanga mu 5-15 masekondi ne zero kuora kwemhando. FLV anotora Sorenson Spark kana H.264 video pamwe neMP3 kana AAC audio, akavharwa munzira format yakagadzirirwa RTMP kutumira. WebM isiri nyore kuisa: VP8 kana VP9 video (AV1 yapfuura) neVorbis kana Opus audio, uye hapana chimwe.

Ndinogona here kuisa zvinyorwa zvinosarudzwa kana faira riine WebM?

Yeah. FLV haina kushandiswa kweiyo soft-subtitle track, saka subtitle ye FLV zvikamu zvaifanira kusvibiswa mufananidzo kana kuendeswa seyakazvimiririra sidecar faira. WebM inotakura subtitle sezvavanosarudza, saka mushure mekushandurwa unogona kubatanidza SRT track iyo muverengi anogona kuvhura, kudzima kana kushandura.

Chii chinonzi WebM chinotamba mubrowser kana FLV hachiite?

A FLV yakaiswa muwebhu peji inoratidzwa neakavharwa mutambi kana kumanikidza kurodha pasi, nekuti mabrowser haasi kutumira chero decoder. WebM anotamba munzira kuburikidza neiyo yakasarudzika HTML5 video element pasina plugin uye pasina kunze kweapplication. WebM inotamba muwebhu browser yese yemazuva ano pasina plugin, pasina mari yechikwereti uye pasina patent exposure, izvo zvinoita kuti ive default yewebhu-yakaiswa video.

Ndiri kufanira kushandura zvinyorwa zvekare zve FLV kuita WebM zvachose?

Yese chinhu iwe uchida kuchengeta, yeah. FLV inobva kune yekutanga rudzi rwevideo tooling uye software iyo inoverenga inoramba ichidzoka kubva kumafoni, mabrowser uye maoperating systems. Kufambisa mavhidhiyo ku WebM ikozvino, kunyangwe paine decoder yakachena, ndiyo kusiyana pakati pearchive iwe yaunogona kuvhura mumakore gumi nerimwe uye rimwe iwe hausi. Hapana browser, foni kana TV inogona kutamba FLV — chero chinhu chiri mubhokisi iri chinofanira kuendeswa kunze kuti chirambe chichionekwa.

Inogona sei multi-track audio kuchinja kubva ku FLV kuenda ku WebM?

Yeah — chero audio track mu FLV (munyori wemashoko, dzimwe rurimi, descriptive audio) inochengetwa mu WebM kana chinangwa chemudziyo chinotsigira multi-stream audio. MKV neMOV zvinodzora maaudio tracks asina muganho; MP4 inotsigira akawanda asi mamwe mahardware maplayers anoona chete track 1; WebM inorambidzwa kune imwe Opus / Vorbis track. WebM isiri-yakajairika subset yeMatroska iyo Google yakaburitsa muna 2010 kuti iite HTML5 video seyemahara yekuchengetera.

Ndezvipi zvinyorwa zvemazita ezvinyorwa zvinochengetwa kana uchishandura FLV kuenda ku WebM?

Soft subtitle (zvinhu zvinosarudzwa) zvinorarama kana WebM zvichigona kutakura iwo: MKV ine SRT, ASS, SSA, PGS, VobSub zvakananga; MP4 ine mov_text chete (yakavharwa fomati). Kushandura MKV ine ASS subs kune MP4 kunoita kuti zvive mov_text kana kuisa iwo. Hardsubs (yakavharwa muvhidhiyo) inoramba ichienda.

FLV kusvika ku WebM inochengeta mapepa emabhuku / DVD-style navigation?

Chitsauko che metadata chinoshandura pakati pe FLV ne WebM kana zvese zviwanikwa zvichitsigira chitsauko che atom (MKV, MP4, MOV). WebM inochengeta chitsauko muMatroska-inowirirana block, saka MKV <-> WebM chitsauko chinofamba-famba zvakanaka. AVI haina chitsauko che spec, saka kushandura AVI kuenda ku WebM kunogadzira faira risina chitsauko kana iwe usingawedzera mamarkers nemwoyo wako.

Chii nezve MKV zvinyorwa zvakaiswa (fonti, kuvhura) kana uchienda kubva ku FLV kuenda ku WebM?

MKV ndiyo chete mainstream container iyo inochengeta zvakananga zvakaiswa mafaera (TTF fonts ye ASS subs, JPG cover art, fan-translated PDF inserts). Kubva ku FLV kuenda ku WebM kunobvisa izvi zvakaiswa kana WebM hachisi MKV — elementary streams inoshandura, asi zvakaiswa payload zvinogara munzvimbo yekubva. Tenga FLV se backup kana iwe uchida kuvimba nezvinyorwa zvakaiswa.

Ndeipi codec iyo WebM output inoshandisa seyakajairika?

Default codec inosarudza kusangana neWebM container zvakachengeteka: MKV defaults kune H.265 (HEVC) kune yakanakisa kumanikidza; MP4 defaults kune H.264 kune yakakura kwazvo chikuva rutsigiro; WebM defaults kune VP9; AVI inoshandisa MPEG-4 ASP (DivX / Xvid lineage). Kubvisa kuburikidza neyakakwira codec dropdown — AV1 iripo ye MKV / WebM uko iwe uchida kumanikidza kwepamusoro uye unogona kumirira nekunyora. WebM isiri nyore kuisa chero kupi kunze kwebrowser – vanyori vemavhidhiyo, mafoni ane maganda uye Smart TVs vanoisiya pachena.

HDR (HDR10, Dolby Vision) inorarama sei kubva pa FLV kusvika pa WebM?

HDR static metadata (HDR10 mastering kuratidzwa mitengo, max content light level) inoenda kusvika ku WebM kana zvese zvidimbu uye yakasarudzwa codec ichiita (HEVC, AV1 mu MKV / MP4). Dolby Vision isiri nyore - DV profile 5 / 7 / 8.1 mu FLV inoramba ichirarama chete mu MKV neHEVC; kushandura kune WebM chidimbu chisina kutakura DV layer inoparadza HDR10.

Inogona sei iyo FLV kusvika ku WebM converter kuchengetedza yakajairika framerate (VFR)?

MKV neWebM anonyora mazita enguva enguva uye anodzora VFR zvakananga, saka FLV VFR inorarama mu WebM eaya mafomati pasina kudzokorora. MP4 inochengeta mazita enguvawo asi vamwe vatambi vanofunga CFR; mushanduri unopa "force CFR" toggle iyo inodzokorora VFR FLV kusvika 24 / 30 / 60 fps WebM kune zvinonetsa zvinangwa.

Nei yangu WebM faira iri nani / hombe kupfuura FLV mushure mekushandurwa?

Same-codec remux inogadzira saizi yakaenzana (container overhead inoenderana ne0.1-2%). Kuchinja kwecodec kunogona kuchinja saizi ne50% kana kupfuura: H.264 kuenda kuH.265 zvinotora hafu yefaera nemhando imwecheteyo yekuona; H.264 kuenda kuAV1 inotora hafu yefaerazve paslow preset.Kubva pa high-bitrate FLV (Blu-ray rip) kuenda pa low-bitrate WebM (web upload) ndiyo yakanyanya kuitika chikonzero chekukwira kwakanyanya.

FLV

FLV (Flash Vhidhiyo) imhando yevhidhiyo mudziyo wakagadzirwa neAdobe. Inowanzo shandiswa pamhepo mavhidhiyo ekutepfenyura uye inotsigirwa neAdobe Flash Player.