MP4 → HLS

Sinthani Yanu MP4 ku HLS mafayilo mosavuta

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Kusintha owona ufulu, Pro ogwiritsa angakonzekere zambiri zochuluka owona; Kulembetsa Tsopano

Kukweza

Momwe mungasinthire MP4 ku HLS

Gawo 1: Kwezani yanu MP4 mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa HLS mafayilo

MP4 ku HLS Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingatani kuti ndibwezeretse MP4 ku HLS popanda kuwononga mtundu wa kanema?

Upload MP4 wanu wapamwamba ndi kuika Quality kwa Quality High mu kusintha options. That re-encodes kanema pa pamwamba kwambiri quality setting (CRF 18 kwa H.264 ndi VP9 zotuluka), yomwe imasunga zambiri za kulipira kwa zikuluzikulu wapamwamba. The default, Balanced, agwiritsa ntchito standard setting. The HLS zotuluka amapereka codec yake chidebe kugwirizana: H.264 kwa MP4, MOV ndi MKV, VP9 kwa WebM. Zikuoneka kuti pafupifupi aliyense MP4 m'munda ndi H.264 kanema ndi AAC audio; chidebenso mwalamulo ali HEVC, AV1 ndi VP9. Mtsinje wa HLS ndi.m3u8 manifest womwe umasonyeza mzere wa H.264 kapena HEVC pa ma bitrates angapo, kuti wosewera akhoza kusintha mtundu pakati pa kusewera.

Kodi HLS angagwiritse ntchito nyimbo zambiri kuposa imodzi?

Ndikoyenera, ndipo ndi chithandizo choyenera pa MP4. HLS imachita chilichonse cha audio monga chida chabwino kwambiri, choncho mgwirizano wachilankhulo chachikhalidwe, dub ndi woyang'anira woyang'anira amatha kukhala m'fayilo imodzi ndi wosewera yemwe amasintha pakati pawo pazosowa. HLS imasintha ku bandwidth ya woyang'anira nthawi yoyenera ndipo ndi yokhayo yokhala ndi mtundu wa Safari ndi iOS yothandizira.

Kodi HLS ndi chonyamula kapena codec, ndipo kodi izi zimasintha zomwe ndimapeza?

Izi amasintha zimene kuyembekezera kuchokera kutuluka wapamwamba. Mmodzi wa mbali ya izi kusintha dzina encoding kuposa wrapper, kotero zimene zimabweranso ndi kuti bitstream m'matumba ameneyo amafuna bwino — nthawi zambiri MP4 kapena MKV. Kuwonjezeka kusonyeza m'matumba; codec ndi zimene inali kuika kukula kwa fayilo ndi kumene izo adzasewera.

Kodi ndi codec iti ya video yomwe HLS imagwiritsa ntchito?

Izi zimadalira HLS chonyamula. MP4, MOV ndi MKV zotuluka kugwiritsa ntchito H.264, amene amasewera pa pafupifupi aliyense foni, browser ndi TV. WebM zotuluka amagwiritsa ntchito VP9. AVI, WMV ndi MPEG zotuluka kugwiritsa ntchito zaka zambiri codecs amene mtundu anapangidwa kwa. HLS ndi HTTP Live Streaming ya Apple - si fayilo koma playlist komanso fayilo ya ma segments a media afupi.

Kodi nyimbo yanga ya audio idzapulumuka ku MP4 kupita ku HLS?

Yes, the main audio track comes through, re-encoded to a codec the HLS container plays, for example AAC in MP4 and MOV or Opus in WebM. Most conversions keep only that one track (the one with the most channels), so alternate languages and commentary are dropped. MP4 to MOV, and AVI, WMV, MPEG, FLV, VOB or M4V to MKV, keep every audio track.

Kodi ndingapeze bwanji chiwonetsero chazithunzi chakale posintha MP4 ku HLS?

Ndiko. Mlingo wa frame umasungidwa ngati simusintha: MP4 wa 24 fps umasungidwa ngati 24 fps mu HLS. Mlingo wa Frame umasinthidwa kukhala 60, 30 kapena 24 fps. Amasintha mlingo wa frame okha; sasintha kanemayo kapena kuchotsa 3:2 pulldown.

Kodi kukula kwa fayilo isintha bwanji kuchokera ku MP4 kupita ku HLS?

Kutengera pa zimene zimachitika kwa kanema. MKV kuti MP4 kapena MOV ndi default zoikamo amangosindikiza kanema stream unchanged, kotero kukula amakhazikika pafupi ndi bungwe. Ambiri ena awiri re-encode izo: a high-bitrate MP4 nthawi zambiri amatuluka ochepa, pamene kale kwambiri compressed wina angagwiritse ntchito. M'lifupi File pansi Quality amapatsa ochepa zotuluka, ndi H.265 mu Codec kukhazikitsa (MP4, MOV ndi MKV) ndi nthawi zambiri ochepa kuposa H.264 pa quality yofanana koma amasewera pa zipangizo ochepa.

Kodi fayilo ya HLS idzasewera pa iPhone, Android ndi Smart TVs?

MP4 ndi H.264 amasewera pa pafupifupi aliyense foni, msakatuli ndi TV. MOV ndi H.264 amasewera pa Apple zipangizo ndi TV ambiri koma si pa aliyense wachinyamata Android foni. MKV amafuna app monga VLC pa iOS, ndi WebM ndi kunyumba mu msakatuli. Palibe chipangizo preset pa nkhaniyi, choncho kusankha chitukuko format chipangizo chimathandiza. HLS si fayilo yotsitsa imodzi - kuti ikhale yosagwirizana, iyenera kusinthidwanso kudzera mu chonyamula choyenera.

Kodi ndi nthawi yayitali bwanji kuti musinthe kanema wa 1-hour MP4 kuti HLS?

Palibe nthawi yokhazikika: izi zimadalira m'lifupi, resolution ndi format wofuna. Kusintha kumayenda pa CPUs ma seva athu ndi mapulogalamu encoders; pali palibe GPU kufulumira. MKV kuti MP4 kapena MOV ndi default kukhazikitsa amakopa kanema mtsinje ndi ndi yosavuta. A re-encode kuti H.264 amatenga nthawi yayitali, ndi WebM (VP9) ndi wotsika kwambiri wofuna, nthawi zambiri mofulumira kuposa H.264 mu ziyesezo zathu.

Kodi ndi chiyani chofunikira kwambiri chothandizira kwa MP4 mpaka HLS?

Wosinthira samakhala ndi chida chokhacho chosinthira; liwiro ndi kukula kwa kutsitsa komwe kumaloledwa pa ndondomeko yanu, ndipo chisankho chimakhala ngati chili ngati simusankha 1080p, 720p kapena 480p. Palibe HDR kugwiritsira ntchito kapena kujambula kwa tone. Mukatsitsa kanema (MKV kuti MP4 kapena MOV ndi zosankha zoyambirira), HDR10 imapita mosakhudzana. Kusinthanso kumatha kuchotsa HDR10 mastering metadata, ndipo ndi Quality, Resolution kapena Frame Rate kukhazikitsa ena amodzi amachepetsanso kanema ku 8-bit mtundu, kotero HDR MP4 angawoneke kuwala.

Kodi kanema wanga MP4 ndi wapadera posintha ku HLS?

Yes. Uploaded MP4 owona amachitidwa pa zipangizo zathu zosiyanasiyana, palibe munthu kuganizira iwo, ndipo iwo si nthawi zonse anagawana. Upload ndi zosinthidwa HLS onse anataya mwamsanga za 24 maola pambuyo kusintha, zomwe zimasiya nthawi kuti download zotsatira.

Kodi ndingagwiritse ntchito, kuchotsa kapena kuzungulira nthawi ya MP4 mpaka HLS yosinthira?

Si mu gawo limodzi. Pezani /trim-video/ kapena /video-cutter/ kuti muchepetse MP4 koyamba, kapena /rotate-video/ kuti muyike, kenako yambitsani MP4 kuti HLS kusintha. Kudula koyamba ndi kosavuta kuposa kubwezeretsa MP4 zonse kuti muchepetse zithunzi zosagwiritsa ntchito.

MP4

Mtundu wa chidebe cha MP4 ukhoza kusunga makanema, mawu, mawu omasulira, ndi zithunzi mu fayilo imodzi yokhala ndi kukanikiza kwabwino kwambiri.

HLS

HLS (HTTP Live Streaming) ndi njira yotsatsira yopangidwa ndi Apple popereka zomvera ndi makanema pa intaneti. Imakhala kukhamukira chosinthika kuti bwino kusewera ntchito.