Tahuri AV1 Tuhinga o mua TIFF

Tahurihia Tō AV1 Tuhinga o mua TIFF kōnae ngawari

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Tukuatu ana

Me pēhea te huri AV1 Tuhinga o mua TIFF

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 TIFF kōnae

AV1 Tuhinga o mua TIFF Ngā Pātai Auau mō te Tahuritanga

He pēhea te tango i ngā tāruatanga mai i tētahi AV1 video hei TIFF 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 TIFF, 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 TIFF te Rerekētanga Reketere Pikitia i te tau kotahi mano e 1986, ā, ko te āhua o te karapa, te whakaputanga, me ngā umanga tātari i whakawaengatia.

Ka puta ake te whakataki i roto i ngā tātai TIFF 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 TIFF he pikorata mārō i raro i te TIFF. 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 TIFF 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 TIFF 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 TIFF 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 TIFF i muri ake, kāore i te huri i te āhua. E whakahaeretia ana e TIFF a CMYK, te hōhonutanga 16-biti, ngā tātai ICC whakawātea me ngā tuhinga pāpāho maha, ko te mea tika e hiahiatia ana e te tātuhi me ngā rerenga mahi pūranga.

He nui rawa te TIFF o nga faila?

He nui ake i te mea e tūmanako ana koe, nā te mea ka pupuri te TIFF 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. He nui ake te TIFF i te pūrere: ka taea e ia te pupuri i te raraunga kāore i te whakawhāititia, LZW, ZIP, JPEG rānei, tae atu ki te 32-bitia rōpū, me ngā pātaka maha i roto i tētahi pūranga.

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

The same resolution as the AV1 video — a 1080p AV1 produces 1920×1080 TIFF frames; a 4K AV1 produces 3840×2160 TIFF 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 TIFF?

Heoi, engari me āta whakaaro ki te tatau i te pūkete - he 30fps 1-roketi AV1 e whakaputa ana i ngā tāruatanga 1,800 TIFF. 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 TIFF 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 TIFF nā te mea ko te nuinga o ngā āhua TIFF (PNG, JPG) kāore e taea te rokiroki i ngā awhe pikitia HDR māori.

What is the file size of one extracted TIFF frame?

E ai ki te rongoā me te pūkōrero TIFF. 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 TIFF 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 TIFF 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 TIFF?

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 → TIFF ka oti i roto i te minu i te nuinga o te minu, ahakoa te tautuhi rārangi, nā te mea ko te whākōkī te TIFF, 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 TIFF 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.