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Osewera Osewerera a HTTP: Zinthu 5 Zomwe Muyenera Kudziwa

Wosewera HLS yomwe imadziwikanso kuti Kutsatsa kwa HTTP ndi njira yolumikizirana yomwe ndi lingaliro la apulo yomwe poyamba idapangidwira zida za Apple koma pamapeto pake idakhala yogwirizana ndi zida zina. Mwa zina zotamandika, nsanja yakusaka ya HTTP imagwiritsa ntchito kusinthasintha kosintha ukadaulo womwe umalimbana ndi omwe adalembetsa kutsatsa powapatsa zonse zomwe akufuna komanso ntchito zapaulendo pazida zonse za Apple.

Chifukwa chiyani tifunika kupita ku ukadaulo wa HLS Player?

Tisanadumphe pa gulu logwiritsira ntchito HLS Wosewera tiyeni tiwone kaye zifukwa zazikulu zomwe munthu ayenera kuzigwiritsa ntchito poyamba.

  • Kugwirizana - Wosewera HLS ili ndi ponseponse paliponse yomwe imathandizira osatsegula onse kuphatikiza osagwiritsa ntchito Quicktime, Safari, asakatuli a Google Chrome, Microsoft Edge, Linux ndi nsanja za Microsoft zomwe zimapangitsa HLS kukhala chisankho chabwino pakati pa omwe akupikisana nawo. 
  • Njira Yowongoka - Kusindikiza kwa HLS kumapereka makanema omvera komanso makanema pa intaneti mosadukiza. Ntchito zambiri zosewerera makanema zomwe zikupezeka pamsika masiku ano zimayenera kudutsa mayendedwe angapo kuchokera pakusintha kwa Hardware mpaka pulogalamu yamakalata koma mbali inayo, Kusindikiza kwa HLS imaperekedwa pazida zonse ndi mafayilo a M3U8. Mafayi a M3U8 ali ndi fayilo ya media mu fomu yosewerera, komwe imasungidwa ngati njira yamafayilo pamakina am'deralo ndi ulalo wotsatsira. 
  • Imathandizira Zolemba Zotsekedwa - Osewera a HLS muli ndi mawu omangika omangidwa ndipo akuphatikizidwa ndi mtsinje wa MPEG-2.  

Kodi HLS Player imagwira ntchito bwanji?

The Wosewera HLS makamaka imakhala ndi zinthu zitatu, gawo loyamba ndi seva, yachiwiri ndi gawo logawira ndipo chomaliza ndi pulogalamu yamakasitomala.

  • HLS Video Player imalandira kulowetsedwa kwa mitsinje yamavidiyo ndi makanema amawalembera ma digito ndipo amawaphatikiza moyenera. 
  • Chotsatira cha gawo logawira lomwe limasunga ma seva angapo oyambira, amalandira zomwe kasitomala akufuna ndikuwabwezera monga mafayilo amalozera. 
  • Apa kasitomala amawerenga mafayilo amalozera ndikufunsanso zomwe zikufotokozedwera m'magawo. Mothandizidwa ndi Content Distribution Network (CDN), zopempha zonsezi ndi mayankho zimasungidwa posungira. Izi zimachepetsa kuchuluka kwa masamba awebusayiti kwambiri pomwe makasitomala ena amafunsanso zofananira. 
Kuyenda Kwathunthu Kwa HTTP

Makhalidwe a HLS Player

HLS wosewera mpira ndiye mulingo wokhazikika pakumvetsera ndi makanema pamakanema onse chifukwa cha mawonekedwe ake osiyanasiyana omwe amalimbikitsa kuwonera popanda kubowoleza.  

  1. Kusintha Kwadongosolo Kwa Bitrate - Kaya mukugwiritsa ntchito netiweki kapena opanda zingwe ukadaulo wosinthira wa bitrate umalola ogwiritsa ntchito kusinthasintha mtundu wa liwiro mwamphamvu ndikuwonetsetsa kutsatsa kwabwino popanda zosokoneza zilizonse. Osewera a HLS amawerengedwa kuti ndiabwino kwambiri nsanja zosatsira makanema pomwe ogwiritsa ntchito amatha kuwona chithunzi changwiro mothandizidwa ndi matekinoloje awa a HLS m'munsi mwa ma bitrate komanso imatha kupulumutsa makanema apa kanema wa Html5 mosadukiza. Chifukwa chake, ukadaulo wa HLS umakhalabe ngati muyeso wagolidi pakutsatsira makanema komanso makanema.
  2. Angapo Format Player - M'masiku ndi masiku amakono, wosewera makanema wotsatsira akuyenera kutulutsa zomwe zili ndi mtundu wabwino kwambiri mosasamala kanthu kuti ndi zida zotani zomwe zili zofunikira. HLS imasewera pulogalamu yaposachedwa kwambiri yotsatsira media yomwe imagwiritsa ntchito ukadaulo waposachedwa kwambiri. Mitsinje ya HLS kupita ku mafoni, mapiritsi, ma PC ndi zida zina zilizonse monga MP4, M3U8 kapena MPEG dash kapena mtundu wina uliwonse.  
  3. HLS & mukapeza dziphunzitsiranso - DASH ndiye njira yosinthira yosinthika yomwe imalowa m'malo mwa njira yosakira ya HLS. DASH adaptive imapereka kusunthika kwapadziko lonse kozikidwa pamachitidwe a HTTP. Pamodzi ndi ukadaulo wosindikiza wa HLS ndi Dash Adaptive, zomwe zili munkhaniyi zitha kutulutsidwa kuchokera kuma seva aliwonse wamba pa intaneti.
  4. Multi-bitrate HD Encoding - Tekinoloje ya HLS imagwiritsa ntchito bwino ukadaulo wambiri wa ma bitrate pomwe makanema amakonzedwa ndikulembedwamo ma bitrate osiyanasiyana ndikufalitsa mu Network Development Network yomwe yasankhidwa. Mitundu yamitrate yambiri kapena mitsinje ingapo imapangitsa makanemawa kutsatsira pakati pa omwe akupikisana nawo. Izi zimathandizanso kuti owonera asankhe mtsinje molingana ndi bandwidth yawo mosadukiza. Mwachitsanzo, ngati wowonera ali ndi chiwongolero chapamwamba, atha kusankha 1080p60 kapena bandwidth wapakatikati amatha kusankha 480p kapena 360p ndi zina zotero. 
Kutulutsa kwa HTTP Live
  1. Kutulutsa Kwachinsinsi kwa HLS - Kwenikweni, kubisa kwa HLS kumagwiritsa ntchito njira yobisa ya AES pomwe mafayilo amakanema amawerengedwa pogwiritsa ntchito ma algorithms apadera. Kusindikiza kwa HLS kumagwiritsa ntchito njira zingapo zowonetsetsa kuti dongosololi lidasungidwa pamtundu wa HTTPS popanda kuwulula kiyi mwachindunji kuchokera pa fayilo yowonekera.
Kubisa Kwachinsinsi Kwa HTTP
  1. Mofulumira Kusewera - Nthawi yosewerera ndiyofunikira pakusewera makanema aliwonse komanso ukadaulo wa HLS umathandizira kusewera mwachangu mothandizidwa ndi amazon web services osapumira zero.

HLS wosewera mpira amapereka kumapeto-thandizo kwa owerenga ndi wopanda khalidwe ndi wangwiro mwa zina kusonkhana mtundu. Mwachidule, ukadaulo wosindikiza wa HLS uli ndi maubwino angapo monga njira yosinthira yosinthira, imathandizira mapulatifomu osiyanasiyana, imakhala ndi milingo yambiri yomwe imatha kuperekera ma desktops ndi mafoni osiyanasiyana mosadukiza. 

Idasankhidwa ndi m'modzi mwa osewera kwambiri a HLS pamsika lero omwe amapereka zinthu zosangalatsa zomwe zikugwirizana ndi ukadaulo wapamwamba womwe umapatsa ogwiritsa ntchito mawonekedwe owoneka bwino. Ndikuthamangitsanso mwachangu, Vplay imatsitsa makanema ndi zosewerera m'malo otetezedwa amtambo. 

Onani Wosewerera HLS Wosewerera

John Smith

John ali ndi zaka 4+ zokumana nazo ngati Katswiri pa Video On Demand (VOD). Nthawi zonse amaphunzira ndikugawana matekinoloje atsopano mu Makampani Ofuna Pakanema.

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