Idan kun taɓa yin kowane yawo kai tsaye, ya kamata ku saba da ka'idojin yawo, musamman RTMP, wanda shine ka'ida ta gama gari don yawo kai tsaye.Koyaya, akwai sabuwar ƙa'idar yawo wacce ke haifar da buzz a cikin duniyar masu yawo.An kira shi, SRT.Don haka, menene ainihin SRT?
SRT tana nufin Sufuri Mai Amintacce, wanda shine ka'idar yawo ta Haivision.Bari in kwatanta mahimmancin ka'idar yawo da misali.Lokacin da wani ya buɗe YouTube Live don duba rafukan bidiyo, PC ɗinku yana aika "buƙatar haɗi" zuwa uwar garken.Bayan amincewa da buƙatar, uwar garken yana mayar da bayanan bidiyo da aka sashe zuwa PC wanda aka yanke bidiyon kuma a kunna shi a lokaci guda.SRT ainihin ka'idar yawo ce wacce dole ne na'urori biyu su fahimta don yawo na bidiyo mara kyau.Kowace yarjejeniya tana da ribobi da fursunoni kuma RTMP, RTSP, HLS da SRT wasu fitattun ka'idoji ne da ake amfani da su wajen yawo da bidiyo.
Me yasa SRT ko da yake RTMP tsayayye ne kuma ka'idar yawo da aka saba amfani da ita?
Don koyon ribobi da fursunoni na SRT da kuma fasalinsa, dole ne mu fara kwatanta shi da RTMP.RTMP, wanda kuma aka sani da ka'idar saƙon lokaci-lokaci, balagagge ne, ingantaccen ka'idar yawo tare da suna don dogaro saboda fakitin tushen TCP na sake watsa iyawar sa da masu daidaitawa.RTMP ita ce ka'idar yawo da aka fi amfani da ita amma ba a taɓa sabunta ta ba tun 2012, don haka yana yiwuwa a maye gurbinsa da SRT.
Mafi mahimmanci, SRT yana sarrafa bidiyo mai matsala fiye da RTMP.RTMP mai yawo akan rashin dogaro, ƙananan cibiyoyin sadarwa na bandwidth na iya haifar da al'amura kamar buffering da pixilation na rafin ku.SRT yana buƙatar ƙarancin bandwidth kuma yana magance kurakuran bayanai cikin sauri.Sakamakon haka, masu kallon ku za su sami ingantaccen rafi, tare da ƙarancin buffering da pixelization.
SRT yana ba da jinkirin ƙaranci-ƙasa-zuwa-ƙarshe kuma yana ba da saurin da yake saurin sau 2 - 3 fiye da RTMP
Idan aka kwatanta da RTMP, SRT yawo yana ba da ƙarancin jinkiri.Kamar yadda aka fada a cikin farar takarda (https://www.haivision.com/resources/white-paper/srt-versus-rtmp/) wanda Haivision ya buga, a cikin yanayin gwajin guda ɗaya, SRT yana da jinkirin da ya kai 2.5 - 3.2 sau ƙasa da RTMP, wanda shine babban ci gaba.Kamar yadda aka kwatanta a zanen da ke ƙasa, mashaya shuɗi tana wakiltar aikin SRT, kuma sandar lemu tana nuna jinkirin RTMP (an yi gwaje-gwaje a wurare huɗu daban-daban, kamar daga Jamus zuwa Ostiraliya da Jamus zuwa Amurka).
Har yanzu yana nuna kyakkyawan aiki ko da a cikin hanyar sadarwa mara dogaro
Bayan ƙarancin jinkirin sa, yana da kyau a faɗi cewa SRT na iya watsawa a cikin hanyar sadarwa mara kyau.Kayan aikin SRT yana da ayyukan da aka gina a ciki wanda ke rage mummunan tasirin da ke haifar da sauye-sauyen bandwidth, asarar fakiti, da dai sauransu, don haka kiyaye mutunci da ingancin bidiyon bidiyo har ma a cikin cibiyoyin sadarwa maras tabbas.
Amfanin da SRT zai iya kawowa?
Baya ga ƙarancin jinkiri da juriya ga canje-canje a yanayin hanyar sadarwa, akwai kuma wasu fa'idodi waɗanda SRT na iya kawo muku.Domin zaku iya aika bidiyo akan zirga-zirgar da ba a iya faɗi ba, don haka ba a buƙatar hanyoyin sadarwar GPS masu tsada, saboda haka zaku iya yin gasa dangane da farashin sabis ɗin ku.A takaice dai, zaku iya samun hanyar sadarwa mai ma'amala ta duplex a kowane wuri tare da samun Intanet.Kasancewa ka'idar watsa shirye-shiryen bidiyo, SRT na iya fakitin bayanan bidiyo na MPEG-2, H.264 da HEVC da daidaitaccen tsarin ɓoyewa yana tabbatar da sirrin bayanan.
Wanene ya kamata ya yi amfani da SRT?
An tsara SRT don kowane nau'in watsa bidiyo daban-daban.Ka yi tunanin a cikin babban ɗakin taro mai cike da cunkoso, kowa yana amfani da hanyar sadarwa iri ɗaya don neman haɗin Intanet.Aika bidiyo zuwa ɗakin samarwa akan irin wannan hanyar sadarwa mai aiki, ingancin watsawa tabbas zai ragu.Yana da yuwuwar asarar fakitin zai faru lokacin aika bidiyo akan irin wannan cibiyar sadarwa mai aiki.SRT, a cikin wannan halin da ake ciki, yana da matukar tasiri wajen kawar da waɗannan al'amurra kuma yana ba da bidiyo masu inganci zuwa ga maƙallan ƙira.
Hakanan akwai makarantu da coci-coci da yawa a yankuna daban-daban.Don jera bidiyo tsakanin makarantu ko majami'u daban-daban, ƙwarewar kallon ba shakka ba za ta yi daɗi ba idan akwai wani jinkiri yayin yawo.Latency kuma na iya haifar da asarar lokaci da kuɗi.Tare da SRT, za ku iya ƙirƙirar rafukan bidiyo masu inganci kuma abin dogaro tsakanin wurare daban-daban.
Me yasa SRT ta zama kyakkyawar ka'idar yawo?
Idan kuna jin yunwar ilimi kuma kuna son ƙarin sani game da abubuwan da ke sama masu kyau game da SRT, ƴan sakin layi na gaba za su ba da cikakkun bayanai.Idan kun riga kun san waɗannan cikakkun bayanai ko kuma ba ku da sha'awar kawai, kuna iya tsallake waɗannan sakin layi.
Babban bambanci tsakanin RTMP da SRT shine rashi tambura a cikin fakitin rafin RTMP.RTMP kawai ya ƙunshi tambura na ainihin rafi gwargwadon ƙimar firam ɗin sa.Fakitin guda ɗaya ba su ƙunshi wannan bayanin ba, saboda haka dole ne mai karɓar RTMP ya aika kowane fakitin da aka karɓa a cikin ƙayyadadden tazarar lokaci zuwa tsarin yankewa.Don warware bambance-bambance a cikin lokacin da ake ɗaukar fakiti ɗaya don tafiya, ana buƙatar manyan buffers.
SRT, a gefe guda, ya haɗa da tambarin lokaci don kowane fakiti ɗaya.Wannan yana ba da damar wasan kwaikwayon halayen sigina a gefen mai karɓa kuma yana rage buƙatar buffer sosai.Ma'ana, rafi-bit na barin mai karɓar yayi kama da rafi da ke shigowa cikin mai aikawa SRT.Wani muhimmin bambanci tsakanin RTMP da SRT shine aiwatar da sake aikawa da fakiti.SRT na iya gano fakitin da ya ɓace ta lambar jerin sa.Idan jeri na delta ya fi fakiti ɗaya, sake aikawa da fakitin yana jawo.Wannan fakitin kawai ake sake aikawa don kiyaye latti da sama ƙasa ƙasa.
Don ƙarin bayani game da cikakkun bayanan fasaha, ziyarci gidan yanar gizon hukuma na Haivision kuma zazzage bayanan fasaha na su (https://www.haivision.com/blog/all/excited-srt-video-streaming-protocol-technical-overview/).
Iyakokin SRT
Bayan ganin fa'idodi da yawa na SRT, bari mu kalli iyakokinta yanzu.Ban da Wowza, yawancin dandamali na yau da kullun na ainihin lokaci ba su da SRT a cikin tsarin su don haka wataƙila har yanzu ba za ku iya cin gajiyar manyan fasalulluka daga ƙarshen abokin ciniki ba.Koyaya, yayin da ƙarin kamfanoni da masu amfani masu zaman kansu ke ɗaukar SRT, ana sa ran SRT zai zama ma'aunin yawo na bidiyo na gaba.
Tunatarwa ta ƙarshe
Kamar yadda aka ambata a baya, mafi girman fasalin SRT shine ƙarancin latency ɗinsa amma akwai kuma wasu dalilai a cikin gabaɗayan aikin yawo wanda zai iya haifar da latency da kyakkyawan ƙwarewar kallo kamar bandwidth na cibiyar sadarwa, codec na na'urar da masu saka idanu.SRT baya bada garantin rashin jinkiri kuma wasu dalilai kamar yanayin cibiyar sadarwa da na'urorin yawo dole ne a yi la'akari da su.
Lokacin aikawa: Afrilu-13-2022