An gabatar da Codec a cikin 2018 manyan 'yan wasa ne suka goyi bayan kasuwar yawo. Masu samar da kayan aikin sun tabbatar da goyan bayan sabon codec, kuma ƙarshen maki tare da ƙaddamar da kayan aikin AV1 yakamata su kasance a ƙarshen shekara. A kan wannan bangon, patent trolls tare da buƙatun kuɗi sun ƙara yin aiki.
Codec na bidiyo An haɓaka tushen buɗewa tun 2015 ta injiniyoyi daga kamfanoni da yawa, gami da Amazon, BBC, Netflix, Hulu da sauransu, waɗanda suka ƙirƙiri Alliance for Open Media (AOMedia). Sabuwar fasahar an yi niyya ne da farko don yawo bidiyo a cikin matsananciyar ƙuduri (4K da mafi girma), tare da faɗaɗa launi mai launi da fasahar HDR daban-daban. Daga cikin manyan fasalulluka na codec, AOMedia ya nuna algorithm matsawa idan aka kwatanta da hanyoyin da ake da su, buƙatun ƙididdige kayan aikin da za a iya tsinkaya, da matsakaicin sassauci da ƙima.
Waɗannan kamfanoni masu ayyukan yawo nasu suna buƙatar ingantattun codecs kamar iska. Na farko, AV1 yana rage buƙatun bandwidth na haɗin Intanet duka a matakin cibiyar bayanai (DPC) kuma a matakin masu samarwa da masu amfani da ƙarshe. Na biyu, Amazon Studios' amfani da fim 65mm da IMAX MSM 9802 kyamarori (waɗanda suke da wahalar hayar) da RED Monstro don fim ɗin Aeronafta () ya nuna cewa kamfanin yana shirye-shiryen wani lokaci na 4K, inda codecs na yanzu ba zai yi kama da inganci ba.
Game da na'urar tantance software, a halin yanzu suna nan kamfanoni da yawa da suka hada da Cisco, Google, Netflix, Microsoft da Mozilla. A lokaci guda, ƙaddamar da software, a matsayin mai mulki, koyaushe yana nufin ƙara yawan amfani da wutar lantarki da iyakanceccen amfani. Sabili da haka, zai zama mai ban sha'awa don ganin goyan bayan ƙaddamar da kayan aiki.
Chips & Media na ɗaya daga cikin na farko da ya fara gabatar da kayan gyara kayan aikin AV1 a watan Oktoban bara. Mai sarrafa bidiyo mallakin hankali ne mai lasisi (wanda aka haɗa a matakin RTL) wanda za'a iya saka shi a cikin tsarin-on-chip (SoC) ta amfani da bas na cikin ARM AMBA 3 APB da ARM AMBA3 AXI. Wannan na'urar na'urar tana goyan bayan matakin codec AV1 5.1, matsakaicin matsakaicin bitrate na 50 Mbps, zurfin launi na 8 ko 10, da 4: 2:0 samfur ɗin launi. Tsarin Wave 510A na guda-core 450MHz za a iya amfani da shi don yanke rafukan ƙuduri na 4K a 60Hz (4Kp60) yayin da ana iya amfani da ƙirar dual-core don yanke rafukan 4Kp120 ko 8Kp60.
Baya ga Chips & Media, wasu kamfanoni da yawa suna ba da masu sarrafa bidiyo masu lasisi tare da tallafin AV1. Misali, Goyan bayan duka AV1 da sauran rare Formats ciki har da H.264, H.265 (HEVC), VP9 da JPEG. Hakanan suna tallafawa 4: 2: 0 da 4: 2: 2 samfurin chroma don mabukaci da aikace-aikacen ƙwararru. A lokaci guda, Allegro ya ce waɗannan hanyoyin sun sami lasisi ta masu samar da kayan aiki na matakin farko kuma za a yi amfani da su a cikin na'urorin ƙarshe waɗanda za a sake su kafin ƙarshen shekara.
Baya ga masu sarrafa bidiyo masu lasisi, yawancin masu haɓakawa sun sanar da shirye-shiryen shirye-shiryen-kan guntu tare da tallafin AV1 don TV, akwatunan saiti, 'yan wasa da sauran na'urori makamantan. Amlogic yayi fice a tsakanin sauran goyon bayan ƙuduri har zuwa 8Kp60, Broadcom tare da tallafin 4Kp60, Realtek (4kp60) da (8kp60). Bugu da kari, LG's ƙarni na uku α9 SoCs, waɗanda ke ba da ikon TV na 8 2020K na kamfanin, suma suna tallafawa AV1. Bugu da kari, MediaTek ya sanar da tsarin wayar hannu na Dimensity 1000-on-chip tare da mai gyara kayan aikin AV1.
Kamar yadda kuke gani, goyan bayan ƙera kayan aikin rafukan AV1 daga masu haɓaka na'urorin sarrafa bidiyo da kwakwalwan kwamfuta masu lasisi har yanzu suna da girman kai. Koyaya, idan aka ba da tallafin sabon codec daga kamfanonin fasaha da yawa (Apple, Amazon, AMD, ARM, Broadcom, Facebook, Google, Hulu, Intel, IBM, Microsoft, Netflix, NVIDIA, Realtek, Sigma da sauran su). yana da daraja tsammanin tallafin kayan aikin AV1 a cikin shekaru masu zuwa.
A bisa ƙa'ida, codec ɗin bidiyo na AV1 baya buƙatar biyan kuɗin lasisi don amfani da wasu haƙƙin mallaka mallakar membobin Alliance for Open Media (AOMedia). Duk da cewa tsarin shigar da haƙƙin mallaka a cikin AV1 yana buƙatar ra'ayin ƙwararru biyu cewa hakan ba ya tauye haƙƙin kowa, a koyaushe akwai trolls na haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin kowane lokaci.
Don haka, kamfanin Sisvel na Luxembourg ya tattara tarin haƙƙin mallaka na 3000 daga kamfanoni da yawa waɗanda ke bayyana fasahohin da suka yi kama da waɗanda aka yi amfani da su a AV1 da VP9. Fara daga Maris na wannan shekara, Sisvel waɗanda ke son ba da lasisin waɗannan haƙƙin na € 0,32 don na'urar da ke da nuni (TV, smartphone, PC da sauransu) da kuma € 0,11 don na'urar da ba ta da nuni (guntu, ɗan wasa, motherboard da sauransu). Ko da yake Sisvel ba ya shirin cajin kuɗin lasisi don abun ciki, ya bayyana cewa ana ɗaukar software iri ɗaya da hardware, ma'ana dole ne masu haɓaka software su biya kamfanin.
Ko da yake Sisvel bai fara shari'a ba tukuna tare da masu kirkiro na'urori da software (kuma ba za su fara ba har sai fasahar ta zama ruwan dare gama gari), a bayyane yake cewa akwai irin wannan niyya. Koyaya, AOMedia kare mahalarta a cikin yanayin yanayin AV1, kodayake bai bayyana yadda ba.
Masu ƙirƙira AV1 suna tsammanin ya kasance a ko'ina a duk faɗin dandamali, don haka tsammanin ba wai kawai manyan masu ƙirƙira guntu ba, masu ƙirƙira software da masu samar da sabis ba, har ma ta hanyar manyan masana'antun na'urorin lantarki na mabukaci.
Duk da haka, ba duk abin da yake da rosy ga AV1. Da fari dai, tunda yawancin 'yan wasa, TV da akwatunan saiti ba sa goyan bayan wannan codec, canjin masana'antar gabaɗaya zuwa gare ta zai kasance a hankali. Bugu da kari, yana da daraja tunawa cewa ga post-8K zamanin, developers suna shirya AV2 codec. Abu na biyu, buƙatun patent trolls za su rage sha'awar fasaha a tsakanin wasu kamfanoni.
source: 3dnews.ru