Xir xayeysiis

Iyada oo nidaamka cusub ee hawlgalka Mac OS X Mountain Libaax yimaado muddo dheer la sugayay oo la codsaday shaqada AirPlay Mirroring, kaas oo bixiya image mirroring iyo Streaming audio ka Mac via Apple TV in shaashadda telefishanka. Si kastaba ha ahaatee, sida lagu muujiyey Beta Horumariyaha Libaaxa, sifadan waxa kaliya oo loo heli karaa moodooyinka qaarkood. Tani waxay niyad-jab weyn u noqon kartaa isticmaalayaasha iibsada OS X cusub oo mashiinadooda hore ayaa ka maqnaan doona sifadan. Waxa kaliya oo la heli karaa haddii aad haysato iMac, MacBook Air ama Mac Mini laga soo bilaabo bartamihii 2011 moodeel iyo MacBook Pro laga soo bilaabo noocii hore ee 2011.

Toddobaadyadii la soo dhaafay, aragtiyo aan tiro lahayn ayaa soo baxay sababta Apple u go'aansatay inay soo rogaan xayiraadahaas. Qaar ka mid ah iyaga ka mid ah ayaa ku andacoodey in ay ahayd istaraatiijiyad lagu heli karo dadka isticmaala si ay u iibsadaan qalab cusub. Qaar kale waxay sheegteen in tignoolajiyada gaarka ah ee DRM, oo kaliya jiilalka ugu dambeeya ee soo-saareyaasha Intel ay leeyihiin, ay sidoo kale door ku leedahay arrintan. Si kastaba ha ahaatee, runtu waxay u muuqataa meel kale. Sababta aad ugu baahan tahay ugu yaraan 2011 Mac si aad u isticmaasho AirPlay Mirroring waa sababta oo ah ficil ahaan chips garaafyada ka weyn ma sii wadi karaan mana bixin karaan natiijo la mid ah kuwii ugu dambeeyay. AirPlay Mirroring waxay u baahan tahay H.264 encoding si ay si toos ah ugu ordo chip-garaafyada, taas oo ah awooda in si toos ah loogu cadaadiyo video kaarka garaafyada iyada oo aan loo baahnayn awood processor awood leh.

Sid Keith, horumariyaha codsiga AirParrot, kaas oo u qulquli kara sawirada Apple TV, ayaa xaqiijiyay in la'aanteed taageero hardware, Mirroring waa mid aad u baahan, gaar ahaan CPU, iyo hoos u dhigi kartaa nidaamka ilaa heer in Apple marnaba ogolaan. Oo ma aha oo kaliya Macs in aan isticmaali karin AirPlay ka hor 2011. Xataa qalabka macruufka ah, waa in aad leedahay ugu yaraan iPhone 4S iyo iPad 2 ah si ay u isticmaalaan AirPlay Mirroring. Moodooyinka qadiimka ah sidoo kale ma laha suurtagalnimada H.264 in lagu dhejiyo chips garaafyadooda.

[Do action=”xigasho”] La’aanteed taageero qalab, Mirroring aad ayay u baahan tahay gaar ahaan CPU-ga waxayna hoos u dhigi kartaa nidaamka ilaa heer Apple uusan waligiis oggolaan.[/ do]

Sidoo kale, madaxa kooxda horumarinta AirParrot, David Stanfill, ayaa xusay in kaliya jiilkii ugu dambeeyay ee soo-saareyaasha Intel ay la kulmeen tilmaamaha adag ee Apple ee tignoolajiyada AirPlay. Ka dib markii sawirka oo dhan uu ku jiro kaydka garaafyada garaafyada, qaybta ugu baahida badan waa in la hagaajiyo xallinta (taasi waa sababta Apple ay ku talinayso 1: 1 saamiga AirPlay ee sawirka qulqulka ah), beddelka midabada RGB ilaa YUV iyo dejinta dhabta ah ee kaadhka garaafyada. Ka dib, waxa kaliya oo lagama maarmaan ah in lagu wareejiyo fiidiyoow yar oo fiidiyoow ah Apple TV.

Si kastaba ha ahaatee, xaqiiqda tani macnaheedu maaha in gudbinta fiidiyowga iyada oo aan H.264 codayn on chip-garaafyada aan macquul ahayn. Waxa kaliya ee aad u baahan tahay waa processor multi-core. Codsiga AirParrot waa caddaynta ugu fiican. Khasaaraha ugu weyni waa kulaylka la dareemi karo inta lagu jiro habkan. Iyo, sida aan ognahay, Apple ma jecla taas. "Markaan horumarinayno AirParrot, waxaan had iyo jeer diiradda saarnay culeyska CPU," ayuu yiri Stanfill. Waxa kale oo uu intaa ku daray in H.264 codayntu ay si degdeg ah ugu filan tahay processor kasta oo ka kooban multi-core. Laakin sawirka cabirka iyo beddelka midabka ayaa ah qaybta aadka u cashuurta.

Si kastaba ha ahaatee, ma aha oo kaliya xaqiiqda ah in user uu leeyahay Mac cusub ama ka weyn, wuxuu isticmaali doonaa AirPlay Mirroring ama AirParrot. Qalabka shabakada isticmaalaha ayaa sidoo kale noqon doona lama huraan. Tusaale ahaan, dib-u-ciyaarista fiidyaha fudud ee cayaartoyga shabakadda iyadoon la kordhin jawaabta u dhexeysa maqalka iyo muuqaalka, ugu yaraan AirPort Express ama N-router tayo sare leh ayaa lagula talinayaa. Waxay sidoo kale ku xirnaan doontaa wax badan culeyska shabakadda isticmaalaha. Markaa isticmaalka BitTorrent inta lagu jiro AirPlay Mirroring malaha fikradda ugu fiican maaha.

Milkiilayaasha moodooyinka Mac ee ka weyn 2011, kuwaas oo aan awoodin inay si toos ah u isticmaalaan AirPlay Mirroring ee OS X Mountain Lion cusub, weli waxaa jira ikhtiyaarka isticmaalka codsiyada dhinac saddexaad sida AirParrot, kaas oo loogu talagalay US $ 9,99 ka shaqeeya mashiinnada leh Barafka Leopard iyo wixii ka sareeya.

Isha: CultofMac.com

Author: Martin Pučik

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