Tahuri AV1 Tuhinga o mua Image

Tahurihia Tō AV1 Tuhinga o mua Image kōnae ngawari

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Tukuatu ana

Me pēhea te huri AV1 Tuhinga o mua Image

Hipanga 1: Tukuatu tō AV1 ngā kōnae mā te whakamahi i te pātene i runga ake nei, mā te tōia me te whakataka rānei.

Hipanga 2: Pāwhiritia te pātene 'Tahuri' hei tīmata i te tahuritanga.

Hipanga 3: Tikiake i tō mea kua tahurihia Image kōnae

AV1 Tuhinga o mua Image Ngā Pātai Auau mō te Tahuritanga

He pēhea te tango i ngā tāruatanga mai i tētahi AV1 video hei Image whakaahua?

Whakataki i te AV1 ā, ka whakaaturia e te kaiwhakarere tētahi kōwhiringa rārangi-whakahauhau: ia rārangi Nth, ngā rārangi i ngā wā tauwhāiti, tētahi rārangi rānei i ia wa. Ka whakawaeheretia ia rārangi i kōwhiria hei pūranga takitahi Image, ā, ka whakawhāititia te tautuhi katoa ki roto i tētahi pūranga ZIP hei whakataki. Ko AV1 te pūrere ataata kore utu a te Alliance mō te Pāpāho Tūwhera i whakaputaina i te tau 2018 hei kaiwhakawhitiwhiti ki te VP9. Ko te whakaahua i konei he whāinga ahuwhānui: ka kōwhiria e te kaiwhakarere tētahi āhua raster mō te pūtake, kaua e whakahaua tētahi ki a koe.

Ka puta ake te whakataki i roto i ngā tātai Image ka tāruatia?

Kāore mēnā he whakataki whakahuatuhi tūturu rātou. Ka pupuri te AV1 i ngā whakahuatuhi hei ā rātou ake rerenga, ā, ka tātuhia e te kaiwhakaari i runga i te whakaahua i te wā whakataetae, nō reira ko te tātai whakakōrero e tuhi ana i waho hei Image he pikorata mārō i raro i te Image. Ko ngā whakahuatuhi i whakamārōtia ki roto i te ataata i mua i te noho he AV1 he mea rerekē — i taua wā he wāhanga o te whakaahua, ā, ka pupuritia e ia tātai whakahuatuhi i a rātou.

Ka taea e au te tango i tētahi Image mai i ia wāhanga o te AV1?

Kāore i te pēhi te kī kotahi, engari ko te AV1 e whakamāramatia ana: ka rokirokitia ngā tohu wā i roto i te kāwai hei tātaitai wā, nā reira ka whakaako te rārangi wā i te pūranga me te tāpiri i ēnei wā ki te āpure tātaitai wā. Ka whiwhi koe i tētahi Image i ia wā, i te raupapa, ko te tikanga noa iho o te hanga i ngā tātuhi mō tētahi pūkete roa. Ka waiho e ngā pūtake kāore i te tohu wā te kōwhiringa o ngā tirohanga mā te kanohi. E AV1 e whakarato ana i te whakawhāititanga tata ki te 30% pai ake i te H.264 i te āhuatanga ōrite, ā, kāore he utu ātete, nā reira e whakahaua ana e YouTube me Netflix.

E tautoko ana te huaputa Image i te mārama?

Ko te āhua o te āhua, engari kāore he pūtake ā-arawhiti hei hoatu ki a ia — he tino mārama ngā tāruatanga ataata me ngā pātaka i whakawāteatia e te āhua, nō reira ka tae mai ia pikitia ki te mārō. He tino whai hua tonu te kanikani ā-arawhiti i muri mai: ko te tikanga ka taea e koe te whakaiti i tētahi kaupapa mai i te Image i muri ake, kāore i te huri i te āhua. Ko te kōwhiringa o te ūnga ko te tikanga kia whiwhi rātau ki tētahi pūranga e whakatuwheratia ana i tētahi wāhi, kāore e hiahiatia kia whakaarotia tuatahitia ngā pūrere.

He nui rawa te Image o nga faila?

He nui ake i te mea e tūmanako ana koe, nā te mea ka pupuri te Image i ia pikitia kia tika, kaua e tata. Ko te 1080p e noho tonu ana i te 2-5 MB, ā, ko te 4K e noho tonu ana i te 6-15 MB, nā reira ka tere te tāpiri i te whakawāteatanga roa. Ko te hokohoko tika tonu tēnei ina kai te whakaahua te whakamātautau anō, ā, ko te salahi ina haere hāngai ki tētahi pou tītaka. Ko ngā pūtake whakaahua e whakawhirinaki ana ki te JPG, ko ngā pūtake me te mārama, me ngā pito mārō rānei e whakawhirinaki ana ki te PNG, ā, ko ngā pūtake maha-pāpāho e whakaputa ana i tētahi whakaahua i ia pāpāho.

I te pēhea te whakamāramatanga o ia tātai i tāruatia Image e puta mai ana?

The same resolution as the AV1 video — a 1080p AV1 produces 1920×1080 Image frames; a 4K AV1 produces 3840×2160 Image frames. Use the resize utility after extraction if you want smaller thumbnails or social-media-sized crops.

Ka taea e au te whakawātea i ia whārangi kotahi mai i te AV1 hei Image?

Heoi, engari me āta whakaaro ki te tatau i te pūkete - he 30fps 1-roketi AV1 e whakaputa ana i ngā tāruatanga 1,800 Image. Ka whakatū i a tātau i roto i tētahi ZIP. Mō ngā tāruatanga roa ake, ko te "1 i ia wa" kōwhiringa (60 rārangi), ngā rārangi wā rānei e hoatu ana i tētahi hua whakahaere.

Ka pupuri te Image whakaahua i te rangi o te AV1?

He — ka whakakōkītia te tae me te poukapa e whakamahia ana e te pūtake AV1 (BT.709 mō HD, BT.2020 mō 4K HDR). Ko ngā pūtake HDR he tono-mātata ki SDR i te whakawāteatanga ki Image nā te mea ko te nuinga o ngā āhua Image (PNG, JPG) kāore e taea te rokiroki i ngā awhe pikitia HDR māori.

What is the file size of one extracted Image frame?

E ai ki te rongoā me te pūkōrero Image. Ko te āhua o te tāpare 1080p PNG ko te 2 ki te 5 MB; ko te JPG 1080p i te āhuatanga-85 ko te 200 ki te 500 KB; ko te 4K PNG ko te 6 ki te 15 MB. I te tino, ko ia tāruatanga PNG-whāiti o te 10-rohe 1080p AV1 e whakaputa ana i ~50 GB katoa.

E pupuri ana te Image i te metadata o te kāmera EXIF?

Kāore te AV1 kāwai e rokiroki i te EXIF-per-frame i te tikanga o tētahi pūwhitiwhiti, nā reira ka puta mai te Image me te EXIF mokowā. Ka whakawātea e tātau i tētahi āpure 'creation_time' e tohu ana ki te rārangi pūtake o te rārangi wā kia taea ai e koe te whakarōpū anō i te pūhui mā te raupapa tātari.

He maha te wā e mau ai te whakawāteatanga rārangi mai i te AV1 ki te Image?

He tere te tango i te tāruatanga rārangi - i te nuinga o te 20 ki te 30% o te roanga pūtake i runga i te pūtautau paerewa. Ko te 5-meneti AV1 → Image ka oti i roto i te minu i te nuinga o te minu, ahakoa te tautuhi rārangi, nā te mea ko te whākōkī te Image, ehara i te AV1 demuxer.

Ka taea e au te whakawātea i ngā tātai i ngā wā tauwhāiti i roto i te AV1?

He — ka whakaaetia e te kōwhiringa mātauranga tētahi rārangi wā-whakahaeretanga o ngā tātai wā (hei tauira, `00:01:23,00:05:00,00:10:42`) ā, ka whakaputa i tētahi Image pūranga i ia wā. He whai hua mō ngā tātai whakahuahua o te wāhanga, ngā tātai tohutoro āhua, ngā whakaakoranga roa rānei.

AV1

Ko te AV1 he whakatakotoranga kōpeketanga ataata tuwhera, kore-kingi-kore i hangaia mo te pai o te whakaata ataata i runga ipurangi. Ka whakaratohia e ia te kaha o te kaha ki te kore e whakararu i te kounga tirohanga.

Image

Kei roto i ngā kōnae whakaahua, pērā i te JPG, PNG, me te GIF, ngā mōhiohio tirohanga. Tērā pea kei roto i ēnei kōnae ngā whakaahua, ngā whakairoiro, ngā whakaahua rānei. E whakamahia ana ngā whakaahua i roto i ngā momo tono, tae atu ki te hoahoa tukutuku, ngā pāpāho matihiko, me ngā whakaahua tuhinga, hei whakaatu i ngā ihirangi tirohanga.