Tahuri AV1 Tuhinga o mua BMP

Tahurihia Tō AV1 Tuhinga o mua BMP kōnae ngawari

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Tukuatu ana

Me pēhea te huri AV1 Tuhinga o mua BMP

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 BMP kōnae

AV1 Tuhinga o mua BMP Ngā Pātai Auau mō te Tahuritanga

He pēhea te tango i ngā tāruatanga mai i tētahi AV1 video hei BMP 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 BMP, 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 BMP te Windows Bitmap, te āhua raster rākau i hangaia ki roto i te Windows mai i te tau kotahi mano e 1985.

Ka puta ake te whakataki i roto i ngā tātai BMP 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 BMP he pikorata mārō i raro i te BMP. 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 BMP 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 BMP 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.

He nui rawa te BMP o nga faila?

He nui ake i te mea e tūmanako ana koe, nā te mea ka pupuri te BMP 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 te tikanga kia rokirokitia e BMP i ngā rārangi pikitia kore e whakawhāititia ana me tētahi pūwhakahako iti, nā reira he ngāwari noa iho te tātari.

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

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

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

What is the file size of one extracted BMP frame?

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

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 → BMP ka oti i roto i te minu i te nuinga o te minu, ahakoa te tautuhi rārangi, nā te mea ko te whākōkī te BMP, 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 BMP pūranga i ia wā. He whai hua mō ngā tātai whakahuahua o te wāhanga, ngā tātai tohutoro āhua, ngā whakaakoranga roa rānei.

He tūmataiti te āhua o te AV1 o te poutū i te wā o te whakawāteatanga whārangi?

He — te tauira anō o te āhua o te āhua o te āhua o ia tahuritanga. Ko te ataata pūtake me ngā tāruatanga BMP e mahia ana i roto i ngā kaimahi motuhake, ā, ka whakakoretia i roto i ngā minu; kāore he arotakenga tangata, kāore he whakaakoranga, kāore he uru ki te tuatoru.

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.