MP4 → HLS

Tahurihia Tō MP4 Tuhinga o mua HLS kōnae ngawari

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Whakahaua: 1 Ka whakawhitinga/ora · Kāore i te whakawhāiti →

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Tukuatu ana

Me pēhea te huri MP4 Tuhinga o mua HLS

Hipanga 1: Tukuatu tō MP4 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 HLS kōnae

MP4 Tuhinga o mua HLS Ngā Pātai Auau mō te Tahuritanga

He pēhea te whakakōrero anō i a au i MP4 ki HLS me te kore e ngaro te āhuatanga o te vitio?

Whakataki i tōmu MP4 pūranga, ā, ka haere te whakarerekē i tētahi CRF-pūtake-whakakōrero i te ūnga o te huaputa ā-whakahaere-kore HLS (CRF 18 mā te pūmau, uara iti iho = faila nui ake / āhuatanga tiketike ake). Ka kōwhiria te pūkōrero kia ōrite ki te HLS kāwai — H.264 mō te MP4 whānui-whakahaere, H.265 mō te MKV nui-whakahaere, VP9 mō te WebM, AV1 mō ngā pūpū hōu ake. Tata tonu ki ia MP4 i te mohoao he ataata H.264 me te oro AAC; kei roto hoki i te kāwai he HEVC, AV1 me VP9. Ko te rerenga HLS he.m3u8 e tohu ana ki tētahi tīwae o ngā wāhanga H.264, HEVC rānei i ngā wāhanga maha, kia taea ai e te kaiwhakaari te huri i te āhuatanga i waenganui i te whakataetae.

Ka taea e te HLS te pupuri i neke atu i tētahi rererangi oro?

Heoi, he whakawhānui tūturu i runga i te MP4. HLS e whakaaro ana ki ia rerenga oro hei rererangi ā-ira tuatahi, kia noho ai te whāranu reo taketake, te tāruatanga me te kōrero a te kaiwhakahaere i tētahi pūranga kotahi me te kaipāpāho e whakawhiti ana i waenganui i a rātau i te tono. E āhei ana te HLS ki te whakawhāiti i te whakawhāiti o te kaitirotiro i te wā tūturu, ā, ko te āhua kotahi anake o te whakateretanga o Safari me te tautoko ā-iwi o iOS.

He mea mauī te HLS, he pūkōrero rānei, ā, ka hurihia te mea e whiwhi ana au?

Ka huri tēnei i te mea e tūmanakohia ana mai i te pūkete huaputa. Ko tētahi taha o tēnei tahuritanga e kiia ana he waehere, ehara i te whākōkī, nō reira ko te mea e hoki ana ko te rerenga ira i roto i te mea e tika ana — i te nuinga o te MP4, MKV rānei. Ko te whakaroanga e whakaatu ana i te mea; ko te pūkōrero te mea e whakatau ana i te rahi o te pūkete, ā, i reira ka whakapāpāhotia.

He aha te pūkōrero ataata e whakamahia ana e te huaputa HLS?

E whakawhirinaki ana ki te HLS kōpaka. MP4 te tīpako ki H.264 mō te tautoko pānui whānui rawa puta noa i ngā pūkoro, ngā kiritaki, me ngā Smart TV. MKV te tīpako ki H.265 / HEVC mō te haurua o te rahi o te pūkete i te āhuatanga ōrite. WebM te tīpako ki VP9. Ka whakawātea ngā kōwhiringa hōhonu i te kōwhiringa pūoko mēnā e hiahiatia ana kia whakawāteatia. Ko HLS te Pāpāho Ā-Wā HTTP o Apple - ehara i te faila engari he pūrākau whakatangitangi me tētahi pūrākau o ngā wāhanga pāpāho poto.

Ka ora te whakarerenga o te pūoro pūoro MP4 ki HLS?

Inā MP4 me HLS e tiritiri ana i tētahi pūkōrero oro (hei tauira, e mau ana rāua i te AAC), ka whakawāteatia anō te oro me te kore whakawaenga - ōrite te iti. Ki te rerekē ngā pūkōrero, ka whakawaengatia te oro ki te AAC / Opus / Vorbis i runga anō i te mea e tautoko ana te HLS kāwai. Ka tiakina te oro-maha (whakaaro, reo whirinoa).

Ka taea e au te pupuri i te rārangi taketake ina tahuri MP4 ki HLS?

Mā te pūmau, ā, — he 24fps MP4 e noho ana i te 24fps i roto i HLS; he 60fps MP4 e noho ana i te 60fps. Mēnā e hiahiatia ana e koe kia huri i te mokatere (hei tauira, i whakawāteatia te 29.97 → whakawhāiti 30, 60 rānei → 30 mō ngā tepe whakarewa), ka whakahaeretia e te kōwhiringa rārangi te 3:2 whakatata, te whakawāteatanga, me te whakakotahitanga rārangi i te whakawhitinga waehere ōrite.

He nui te huringa o te rahinga faila e haere mai i te MP4 ki te HLS?

He rite tonu te whakarerekētanga o te pūkōrero (MP4 H.264 → HLS H.264 e huri ana i te kāwai): tata tonu ki te rahi ōrite. Ka taea te huri i te huringa pūkōrero: H.264 → H.265 i te nuinga o te wā e whakawātea ana i te pūkete i te āhuatanga ā-whakaahua ōrite; He āhua ōrite tonu te VP9; AV1 e whakaiti ana i tētahi atu 20-30% engari he pōturi ake te waehere.

Ka whakapāpāhia te HLS ki runga i te iPhone, Android, me ngā Smart TV?

MP4 / H.264 e tākaro ana i te āhua o te āhua o ia pūrere hōu. E tākaro ana te MOV / H.264 i ngā pūrere Apple me te nuinga o ngā TV, engari kāore i te wā katoa i runga i te Android tawhito. E hiahiatia ana e MKV te VLC i runga i te iOS. Ko te WebM te kaiwhaiwāhi tuatahi. Kei roto i ngā kōwhiringa hōu he "whakapae pūrere" e kōwhiri ana i te pūrere/kōrero HLS tino haumaru mō tō rātou whāinga.

He maha te roa o te tahuri i tētahi pou 1-ora MP4 ki HLS?

He tata tonu te whakarerekētanga o te pūkōrero ōrite — 30 ki te 60 sekona mō tētahi pūkōrero 1-ora. Ka haere te pūkōrero katoa ki te 0.3-0.7x te roanga pūtake i runga i tātau pūkōrero GPU, nō reira ka oti te 1-ora MP4 → HLS i roto i te 18-40 minu e ai ki te rongoā me te pūkōrero ūnga.

He aha te rongoā nui rawa e tautoko ana mō MP4 ki HLS?

Tae atu ki te 8K (7680×4320) i runga i ngā mahere Premium. Ko ngā tahuritanga wātea e whakawhāititia ana ki te 4K (3840×2160) e te tepe o te rahi o te pūkete. Ko te metadata HDR (HDR10, HDR10+, Dolby Vision ina noho) e mau ana i te wāhi e tautoko ana e ngā kāwai MP4 me HLS.

He tūmataiti te āhua o te poutū o te MP4 i te wā o te tahuritanga ki HLS?

He. Ka tuwhera ngā faila ataata i whakarewaina ki roto i ngā kaimahi motuhake, kāore anō kia kitea e te tangata, kāore anō kia whakarārangitia, ā, ka whakakoretia i roto i ngā minu o te oti. Ka tuhituhitia te matapihi o te tiakitanga ki /privacy/ ā, kāore e whakaputaina e tātau he whakaakoranga o te whakataki i te kaiwhakaari.

Ka taea e au te whakapōtu, te whakaiti, te huri rānei i te wā o te tahuritanga MP4 ki HLS?

Kāore i te ōrite te hipanga - ka whakamahia te /video-trim/, /video-cutter/ rānei hei whakaiti i te tuatahi, kātahi ka haere te tahuritanga MP4 → HLS. He tere ake te whakaiti me te tahuri i te whakakōrero anō i te katoa o te MP4 kia kore ai e whakaiti i te pūwhitinga kāore i te whakamahia.

MP4

Ka taea e te hōputu ipu MP4 te pupuri i ngā ataata, oro, hauraro, me ngā whakaahua i roto i te kōnae kotahi me te kōpeketanga tino pai.

HLS

Ko te HLS (HTTP Live Streaming) he kawa roma i hangaia e Apple mo te tuku ororongo me te riipene ataata i runga ipurangi. E whakarato ana i te roma urutau mo te pai ake o te mahi purei.