I-Google ihlela ukuqeda ukuchaza imininingwane ye-VP9 video codec ngoJuni 17, ezovumela ukusetshenziswa kwayo kamuva ku-Chrome bese ku-YouTube. |
I-WebM iphrojekthi yeGoogle yokukhululwa kwevidiyo evela kuwebhu, namuhla ehlupheka ngokulinganiselwa kwezinye izindlela ezivelele zokuphathelene. Njengamanje, iWebM ifaka phakathi ividiyo efakwe kusetshenziswa i-VP8 nomsindo kusetshenziswa iVorbis. Ngeshwa, ngenxa yezizathu ezahlukahlukene iWebM ayinakuba enye indlela engabeka engozini i-codec yevidiyo evelele namuhla: H.264.
Labo abasebenzisa i-H.264 njengamanje kufanele bakhokhe imali ye-patent. Umlandeli wayo, i-HEVC aka H.265, ulandela iphethini efanayo.
I-H.265 isebenza kahle kakhulu kune-H.264, futhi inikela ngekhwalithi yevidiyo engaqhathaniswa kusetshenziswa uhhafu wenani lamabhithi ngomzuzwana. I-Google nabalingani bayo, bona ngokwabo, banethemba lokuzuza ukwanda kokusebenza okufanayo ngokusuka kukhodec ye-VP8 yamanje iye ku-VP9.
Ngenxa yokuthi i-VP9 isakaza ividiyo kahle kakhulu kune-VP8 codec, ukuhamba kuzoba yingqophamlando enkulu yevidiyo ekuWebhu, ikakhulukazi uma kubhekwa ubuningi bamadivayisi weselula axhunywe kwi-Intanethi angenazo izivinini zokulanda.
Noma kunjalo, asethembe ukuthi i-VP9 ayikutholi ukuhlaselwa okungokomthetho i-VP8 okwadingeka idlule kukho (kusuka kwaNokia) futhi lokho kuvimbele ukusetshenziswa kwayo okukhulu.
le codec kungenzeka ibe nezinga lika-h264, kepha i-h265 ngokuqinisekile izobe iphakeme.
Futhi kuzoba ngcono kuno-H.265? Ngoba le codec ithembisa okuningi.
I-VP9 RC iyi-1% embi kakhulu kune-H.265 RTM, i-VP9 RTM izophuma ezinyangeni ezimbili ezengeziwe. Izokwamukelwa yi-Youtube ne-Android. I-VP2 ne-H.9 cishe ziyafana, zombili zisebenzisa uhhafu womkhawulokudonsa we-H.265 ukubonisa okuqukethwe okufanayo ngekhwalithi engcono. Okubi ukuthi bobabili badinga i-PC enamandla kakhulu ukudlala ividiyo efanayo ne-H.264 (i-VP264 idinga i-PC enamandla amakhulu angama-9% kanti i-H.78 idinga i-PC enamandla angama-265%). Noma kunjalo, cishe bonke banamakhadi weprosesa amahle nemidwebo ene-hardware acceleration uma kwenzeka usebenzisa i-Linux noma i-windows 83/7. Ngakho-ke ngeke kube yinkinga. Kokubili kuzoqala ukusetshenziswa ngabantu ngasekupheleni kuka-8.
I-VP9 RC iyi-1% kabi ekusebenzeni nase-bitrate kune-H.265 enguqulweni yayo ye-RTM kuGoogle I / O 2013 e-US kanti inguqulo yayo yokugcina izokhishwa ngaphansi kwezinyanga ezimbili (ekupheleni kukaJuni) ngakho-ke ngicabanga ukuthi kusuka lapha lapho i-VP2 yokugcina izolingana noma ibe ngcono kune-H.9 yokugcina yokugcina. Ngaphezu kwalokho i-VP265 ivulekile.
Ukwazi ukuthi i-VP9 iyiqiniso yini maduze ngoba i-flash in arch, igcwele….
Kapteni, sidinga ukusebenza okwengeziwe!