Mechie mgbasa ozi

N'ihe ngosi ahia ahia nke National Association of Broadcasters (NAB), Adobe weputara njirimara ohuru na ike nke Flash Media Server ya. Otu n'ime ihe ọhụrụ bụ ndakọrịta na ngwaọrụ n'okpuru ọchịchị iOS.

Steve Jobs mere ka anyị kwenye ogologo oge gara aga na okwu Flash na iOS ekwesịghị ịbụ n'otu ahịrịokwu, yabụ Adobe nyere ma gbakwunye nkwado HTTP Live Streaming na Flash Media Server.

Ọ bụ protocol nke Apple mepụtara maka nkwanye vidiyo dị ndụ na nke anaghị adị ndụ na njikọ HTTP ọkọlọtọ kama ịbụ RTSP, nke siri ike ịkwalite. Ọ na-eji H.264 video na AAC ma ọ bụ MP3 audio juru n'ọnụ n'ime iche iche nke MPEG-2 iyi, tinyere m3u playlist eji na-edepụta onye akụkụ nke iyi. Nke a format nwere ike na-egwuri site QuickTime na Mac OSX, na iOS ngwaọrụ ọ bụ nanị gụgharia format ha nwere ike ijikwa.

Apple tụpụtara HTTP Live Streaming na kọmitii ụkpụrụ ịntanetị IETF laa azụ na 2009, mana ka ọ dị ugbu a, ọ nweghị ihe gosiri na atụmatụ a ga-aga n'ihu. Mana Microsoft ka gbakwunyere nkwado na nkesa IIS Media Services, nke a na-eji na-ebuga vidiyo nkwanye ugwu nye ndị ahịa dabere na Silverlight. Ozugbo Ọrụ Mgbasa Ozi IIS chọpụtara ngwaọrụ iOS, a na-achịkọta ọdịnaya ma na-ebugharị site na iji HTTP Live Streaming.

N'afọ gara aga, Adobe gbakwunyere atụmatụ nkwanye HTTP nke ya na Flash Media Server. Ọ dị ka Apple n'ụzọ ọ na-eme vidiyo H.264, ebe a na-ekewa vidiyo ma chekwaa ya n'ime faịlụ dị iche iche, mgbe nke ahụ gasịrị, a na-ezigara ya site na HTTP na onye debanyere aha ndabara. Mana n'ihe gbasara Adobe, HTTP Dynamic Streaming na-eji faịlụ XML (kama ndepụta ọkpụkpọ ederede) yana MPEG-4 dịka akpa. Ọzọkwa, ọ dakọtara na Flash ma ọ bụ AIR.

N'okwu Kevin Towes, onye isi njikwa ngwaahịa maka Flash Media Server, Adobe nwere mmasị n'ịzụlite teknụzụ iji mee ka usoro mgbasa ozi dị mfe, na-eme ka ọ dị mfe ntinye nke ngwaọrụ dị iche iche. O kwuru na blọgụ na Adobe na-agbakwunye nkwado maka HTTP Live Streaming maka Flash Media Server na Flash Media Live Encoder. O dere na: "Site n'ịgbakwunye nkwado maka HLS n'ime Flash Media Server, Adobe na-ebelata mgbagwoju anya nke mbipụta maka ndị chọrọ itinye ihe nchọgharị na-eji HLS site na HTML5 (dịka Safari), ma ọ bụ ngwaọrụ na-enweghị nkwado Adobe Flash. "

Adobe si otú ahụ na-eme ụdị nkwekọrịta, ebe ọ na-achọghị ịhapụ ndị ọrụ nke Flash Media Server ma n'otu oge ahụ kwenye Apple ịkwado Flash na ngwaọrụ iOS, ya mere na-eburu n'uche mkpa ọ dị ịkwanye vidiyo ọbụna na-enweghị Flash.

HTTP Live Streaming ga-adịkwa maka nyiwe ndị ọzọ, gụnyere Safari na Mac OS X. Otu n'ime ihe kpatara nke a nwere ike ịbụ eziokwu na Apple na-ere MacBook Airs ọhụrụ na-enweghị Flash etinyere ya. Ọ bụ ezie na isi ihe kpatara nke a bụ mkpochapụ nke mkpa imelite ihe a mgbe mmalite nke mbụ gasịrị, a makwaara nke ọma na Flash na-ebelata ndụ batrị kpamkpam (ihe ruru 33% maka MacBook Ikuku ahụ ekwuru).

Ọ bụ ezie na Adobe na-ekwu na ọ na-arụ ọrụ na ụdị Flash kachasị mma maka MacBook Air, nzọụkwụ ahụ e kwuru n'elu na-echekwa ndị ọrụ na-achọghị ịwụnye Flash.

isi mmalite: arstechnica.com
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