MPEG → FLV

Chinja Yako MPEG kuti FLV mafaira pasina simba

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Maitiro ekushandura MPEG kuti FLV

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

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

Danho rechitatu: Dhawunirodha yako yakashandurwa FLV mafaira

MPEG kuti FLV Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kudzokorora kurodha MPEG kuenda ku FLV pasina kushaya mhando yevhidhiyo?

Upload yako MPEG faira uye mushanduri unoenderera neCRF-based re-encode inotarisana nevisually-lossless FLV output (CRF 18 sezvakarongwa, zvishoma zviyero = hombe faira / yepamusoro mhando). Codec inosarudza kusangana neFLV container - H.264 yeyakakwira-compat MP4, H.265 yemhando-inodhura MKV, VP9 yeWebM, AV1 yezvinotsva mapurojekiti. Video i MPEG-1 kana MPEG-2 neMP2 kana AC-3 audio, multiplexed mumvura yakagadzirwa kuti decoded ne fixed-function hardware. FLV anotora Sorenson Spark kana H.264 video pamwe neMP3 kana AAC audio, akavharwa munzira format yakagadzirirwa RTMP kutumira.

My MPEG footage inoratidzika secomb lines on movement - ichave ichienda ku FLV?

Ichaitika kana iwe uchisaisa deinterlace, uye MPEG zvemukati zvinonzi zvinokanganisa zvakanyanya nekuti fomati inosvika kubva kubroadcast uye DVD era. Interlaced frames kuchengetedza maviri epakati-hurefu maindasitiri akatora makumi maviri nemana esecond apart; pafoni kana monitor yeprogressive-scan iyo inoverenga sehomwe yekucheka pane chero chinhu chinofamba. Shandisa sarudzo yedeinterlace uye encoder inogadzira maindasitiri muzvikamu zvese zveprogressive frames mushure mekunyora FLV. MPEG pano zvinoreva MPEG-1 kana MPEG-2 chirongwa mvura, format standardized for Video CD uyezve DVD uye kutumira television.

My MPEG ine akawanda maaudio tracks - ivo vese vanorarama mu FLV?

Hapana kuvimbika. MPEG inochengeta akawanda audio mapurojekiti sekutanga-class tracks, asi FLV kutamba rutsigiro mushure mekutanga track haina kuenderana, saka vazhinji vatambi vacharatidza chete mumwe. Choose the track you actually want before converting; the others are better extracted to their own files than left in a container that hides them. MPEG chirongwa mabwe anodecoded ne literally chero DVD mutambi, set-top box uye broadcast chain ever built, uye ivo kutonhora bit matambudziko graciously. Hapana browser, foni kana TV inogona kutamba FLV — chero chinhu chiri mubhokisi iri chinofanira kuendeswa kunze kuti chirambe chichionekwa.

I FLV icharamba ichitamba zvakanaka pafoni kana paTV?

Zvinogona kunge zvisina. MPEG inodzokororwa neyakazvimirira silicon pafoni, matablets uye TVs, izvo zvinoita kuti iite pasina kusvibisa bhatiri. FLV zvinonyanya kudzokera kusoftware decoding pane iyo imwechete hardware - yakakwira CPU kumanikidza, yakanyanya kupisa chigadzirwa, uye yakadonha maframes pa4K zvinhu.

Chii chinoitika kune 5.1 surround audio kana uchishandura MPEG kuenda ku FLV?

Inogona kuiswa mustereo, nekuti FLV haina nzira yemultichannel. Kusvikira pasi kunoshandisa standard ITU coefficients, saka mutauro muchinzvimbo chechinzvimbo unogara uchinzwisisika uye zvinonzwika zvinouya pazera rakaderera kupfuura kusvikira pasi. Chii chero chipi zvacho chinotsanangura kuiswa kwechinzvimbo chakazvimirira chinoenda mushure meizvozvo.

Pane chero chinhu chinoshandura pakati pezviviri zvekare zvinyorwa se MPEG ne FLV?

Kana chete kana chigadzirwa chine chinangwa chacho. Mafomati maviri aya anobva pamwechete pre-H.264 era, saka hapana kushandura kunotenga mhedzisiro, mhando kana kuchengetedzeka kwezuva nezuva - inotenga kuenderana neimwe chigadzirwa. Kana chinangwa chiri kuchengetedza mavhidhiyo anogoneswa kwenguva yakareba, shandura kune chigadzirwa chenguva dzose, kwete kuchinjanisa. MPEG-2 inodiwa zvakakwana 4-6 nguva bitrate yeH.264 yeimwe vhidhiyo, uye zvinhu zvayo zvinonzi zvinongedzo, izvo zvinotaridzika zvakakombama pazvinoratidzwa.

Ndeipi video codec iyo FLV output inoshandisa?

Zvinoenderana neFLV container. MP4 inoiswa kuH.264 kuti itsigire kutamba kwefoni, mabhurawuza, uye Smart TVs. MKV inoiswa kuH.265 / HEVC kuti iite hafu yefayela resize nemhando imwechete. WebM inoiswa kuVP9. Zvitsva zvinopa sarudzo dze codec kana iwe uchida kubvisa. FLV ndiyo Flash Video yekuchengetera iyo yakatakura zvese zvewebhu video kubva pamakore anopfuura 2003 kusvika Flash yakavharwa mukupera kwegore ra2020.

Ndichakwanisa sei kushandura yangu audio track kubva ku MPEG kuenda ku FLV?

Yeah. Kana MPEG ne FLV vachishandisa imwe codec (semuenzaniso, vaviri vacho vane AAC), audio inoshandurwa pasina kushandura-kunyorazve — imwechete-bit. Kana codecs dzichisiyana, audio inoshandurwa kuita AAC / Opus / Vorbis zvichienderana nezvinotsigira FLV. Multi-track audio (kutaura, mamwe matauro) anochengetwa.

Ndinogona here kuchengeta iyo yazvino framerate kana ndichishandura MPEG kuenda ku FLV?

Nekuzvimisikidza hapana — 24fps MPEG inoramba 24fps mu FLV; 60fps MPEG inoramba 60fps. Kana iwe uchida kuchinja mwero (semuenzaniso, interlaced 29.97 → progressive 30, kana 60 → 30 yeupload limits), iyo framerate sarudzo inobata 3: 2 pulldown, deinterlacing, uye frame-blending mune imwe encode pass.

Chii chinochinja saizi yefaira kubva ku MPEG kuenda ku FLV?

Same-codec re-mux (MPEG H.264 → FLV H.264 chete ichichinja chigaro): saizi yakafanana. Kuchinja kweCodec kunogona kuchinja zvakanyanya: H.264 → H.265 zvinotora hafu yefayela nemhando imwechete yekuona; VP9 inenge ichienzana; AV1 inotora 20-30% asi inononoka kurodha.

Chinyorwa che FLV chinotamba pa iPhone, Android, uye Smart TVs?

MP4 / H.264 inotamba zvakananga pane chero chishandiso chemazuva ano. MOV / H.264 inotamba paApple zvigadzirwa uye mamwe maTV asi kwete nguva dzose pakare Android. MKV inodiwa VLC paIOS. WebM ndeyebrowser-kutanga. Yakakwira sarudzo dzinosanganisira "device compatibility" preset iyo inotora iyo yakanyanya kuchengetedzeka FLV codec / container yechinangwa chako. FLV’s low per-packet overhead yakaita kuti ive yakanaka pa streaming pamusoro pezvisinganzwisisike zvinobatanidza zvenguva yake, uye mazhinji maarchives ezvo zvakare aripo.

Ndeipi nguva yekushandura 1-hour MPEG video kuenda ku FLV?

Same-codec re-mux ndeyekukurumidza - 30 kusvika 60 masekondi e1-hour file. Full codec re-encode inofamba pa0.3-0.7x source duration paGPU pipeline yedu, saka 1-hour MPEG → FLV inosvika pa18-40 maminitsi zvichienderana ne resolution uye target codec.

MPEG

MPEG (Moving Picture Experts Group) imhuri yemavhidhiyo uye odhiyo compression mafomati anoshandiswa zvakanyanya kuchengetedza vhidhiyo uye kutamba.

FLV

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