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 whārangi takitahi mai i te AV1 hei TIFF whakaahua?

Whakataki i te AV1 me te whakarerekētanga e whakaatu ana i tētahi kōwhiringa rārangi-whakahaere: ia rārangi Nth, ngā rārangi i ngā wā tauwhāiti, tētahi rārangi rānei i ia wa. Ka whakawāteatia ia rārangi i te rererangi vitio AV1, ka whakawaeheretia hei TIFF tārua, ā, ka whakatōpūtia hei 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 a rātau 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 nohotanga o AV1 he mea rerekē — i taua wā he wāhanga o te whakaahua, ā, ka pupuri i ia tātai whakawātea.

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, ā, ka 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 hanganga o 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, nā 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 i te whakamātautau anō, ā, ko te mea hē 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 rongoā pēhea e puta mai ai ngā whakaahua i tangohia TIFF?

Ko te rongoā ōrite ki te pūtake AV1: he 1080p AV1 e whakaputa ana i ngā tāpare 1920x1080 TIFF, he 4K AV1 e whakaputa ana i ngā tāpare 3840x2160 TIFF. Kāore te tahuri i te whakapiki, i te whakaiti rānei i te whakapiki - ka tangohia ngā ahu pikitia mai i te tāpare kua whakawaengatia. Ka whakamahia /resize-image/ i muri i te whakataki mēnā e hiahiatia ana e koe ngā whakaahua iti iho.

Ka taea e au te whakawātea i ia tāpare o te AV1 hei TIFF?

Heoi, engari mā te whakaaro i te tatautanga o te faila — 30 fps 1-rohe AV1 e whakaputa ana i ngā tāruatanga 1,800 TIFF. Mātou e whakatū i a rātou ki roto i tētahi pūranga ZIP kotahi. Mō ngā tāruatanga roa ake, e manakohia ana te "1 i ia wa" (60 tāruatanga i ia wa), ka kōwhiri rānei i ngā tāruatanga wā. He wā o AV1 i ia tāruatanga ka puta mai ~100,000 TIFF ngā whakaahua.

Ka pupuri te TIFF tāruatanga tae i te AV1?

He — ka whakakōkītia te tae me te poukapa ōrite e whakapuakina ana te pūtake o te pūtake AV1 (BT.709 mō te HD, BT.2020 mō te 4K HDR). Ko ngā pūtake HDR he tohu-whakatika ki te SDR ina tangohia ki tētahi TIFF kāore e taea te penapena i ngā awhe pikitia HDR māori (JPG, PNG-8). E ūngatia ana te PNG-16, TIFF rānei mēnā e hiahiatia ana e koe te pupuri i te awhe hihiri whakawhānui.

He nui te whāriki i tangohia TIFF i runga i te pūrere?

E ai ki te rongoā me te kōwhiringa pūkōrero TIFF: he 2-5 MB te whakapeka o te tāruatanga 1080p PNG, he 1080p JPG i te āhuatanga 85, he 200-500 KB. Ka whakarea e te tatau rārangi ki te rahi o te ZIP — i te tino, ko ia tāruatanga PNG rārangi o te 10-rohe 1080p AV1 e tata ana ki te 50 GB, ā, ka wehea ki ngā ZIPs maha.

E pupuri ana te TIFF whakawātea i ngā raraunga meta EXIF o te kāmera?

Kāore he AV1 tāwai e mau ana i te EXIF-per-frame i te āhua e mahi ai tētahi kāmera ā-ariā, nā reira ka puta mai ngā TIFF pūranga me ngā kōwae EXIF wātea. Ka whakatū te whakarerekē i tētahi āpure `creation_time` e tohu ana ki te rārangi pūtake o te wā, kia taea ai e koe te whakarōpū anō i te pūnaha i roto i te raupapa wāhanga, ki ngā tohu whakarārangi / wāhanga rānei.

He maha te wā e hiahiatia ana te whakawāteatanga rārangi mai i te AV1 ki te TIFF?

He tere te whakarerekētanga o te tāpare - i te nuinga o te 20-30% o te roanga pūtake. Ko te 5-meneti AV1 -> TIFF ka oti i roto i te 1 min ahakoa te maha o ngā tāpare e kōwhiri ana, nā te mea ko te kōwae te TIFF encoder e tuhi ana i ngā pūkete iti rawa i te taha kotahi, ehara i te AV1 demuxer.

Ka taea e au te whakawātea i ngā tāpare i ngā wā tika i roto i te AV1 video?

He — ka whakaaetia e te kōwhiringa wā whakahau tētahi rārangi kāpae-whakahaere (hei tauira, `00:01:23, 00:05:00, 00:10:42.5`) ā, ka whakaputa i tētahi TIFF pūranga i ia wā. Ka whai hua mō ngā tātuhi kōwae, ngā tātuhi tohutoro āhua, te hanga rānei i tētahi pepa hoapā mō te arotakenga.

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.