DivX JPG

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Momwe mungasinthire DivX ku JPG

Gawo 1: Kwezani yanu DivX mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa JPG mafayilo


DivX ku JPG Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingagwiritse ntchito ma frame kuchokera ku DivX kanema ngati JPG zithunzi?
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Kutsitsa DivX ndi wosintha amasonyeza chisankho cha frame-extraction: chilichonse cha Nth frame, ma frame panthawi yofunikira, kapena chiwonetsero chimodzi pasecond. Chosankha chilichonse chimayikidwa ngati fayilo ya JPG ndipo zonse zimayikidwa mu archive ya ZIP yotsitsa. DivX amatchedwa codec kuposa chonyamula - MPEG-4 Part 2 kukwaniritsa kuti anachita ripping DVD kuti CD imodzi zotheka m'zaka za m'ma 1999. JPG ndi JPEG standard kuchokera 1992, ndipo pambuyo zaka zitatu ndibe format ambiri kamera ndi ambiri mawebusaiti kugwiritsa ntchito kwa zithunzi.
Chifukwa cha zomwe zimachokera. DivX zomwe zili ndi zofalitsa ndi DVD zimasunga madera awiri apakati pamphepete mwa mbale, zomwe zimatha kuwonetsedwa ndi theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka la theka
Ngati DivX siyimagwiritsa ntchito, chifukwa DivX siyimagwiritsa ntchito mawu osakira omwe angasankhidwe kuti azimitsa. Chomwecho DivX chikuwonetsa pazenera ndi chithunzicho, choncho ndicho chilichonse JPG chotulutsa chimapanga ndipo palibe chosankha chomwe chimachotsa pambuyo pake. Mukapeza fayilo yosiyana ya mawu osakira pamodzi ndi kanema, chotsani kuchokera kuzinthu zomwe zidatenga ma frame awiri osiyana. DivX amafuna pafupifupi katatu bitrate wa H.264 kwa mtundu wofanana ndi palibe njira kwa HDR, 10-bit mtundu kapena resolutions m'munsi 1080p.
Quality 85 ndi nzeru default ndi amene amagwiritsidwa ntchito ngati inu simungasinthe izo — visually sadzasiyana kuchokera ku zipangizo pa normal kuonera kumbuyo, pa pafupifupi 1/5 ya kukula kwa lossless equivalent. Push kuti 95 kwa chilichonse chimene chidzasinthidwa kapena kusindikizidwa, ndi kugwa kwa 70 kwa thumbnails kumene kukula domine. JPG ndi lossy: chithunzi chimasinthidwa ndi DCT, quantised, ndi entropy-coded, ndi quality knob kuwongolera momwe ambiri ndi kuthyola.
Maakaunti aulere amafika pa 100 MB pa fayilo, ndipo DivX mabungwe amagwira ntchito kwambiri chifukwa mtunduwo umabweretsa ndalama zochuluka pazinthu zowonjezera pavidiyo. Premium imatulutsa katundu kwambiri. Ngati fayilo igawidwa m'magawo owerengeka chifukwa cha mtundu wamtundu, ndikuyika nawo limodzi ndipo amachitidwa ngati ntchito imodzi.
Kuwala kofanana ndi DivX kanema - 1080p DivX imapanga 1920 × 1080 JPG ma frame; 4K DivX imapanga 3840 × 2160 JPG ma frame. Pezani ntchito yosintha kukula pambuyo pochotsa ngati mukufuna zithunzi zochepa kapena zokongoletsera zazing'ono.
Ndikofunika, koma onetsetsani kuti muwerenge fayilo - 30fps 1-mphindi DivX imapanga 1,800 JPG ma frame. Timawapaka m'ma ZIP mosasintha. Kwa ma clip ochepa, kusankha "1 pa mphindi" (ma frame 60) kapena ma timestamps okhudzana ndi nthawi imapatsa zotsatira zoyenera.
Ndikoyenera - mtundu umasinthidwa ndi mamatrix omwe chiyambi DivX chimagwiritsa ntchito (BT.709 kwa HD, BT.2020 kwa 4K HDR). Mafuta a HDR amasinthidwa ku SDR pochotsa ku JPG chifukwa ambiri a JPG amtundu (PNG, JPG) sangathe kusungira ma pixel a HDR mwanjira yosadziwika.
Kutengera pa resolution ndi JPG codec. 1080p PNG frame ndi 2 mpaka 5 MB; 1080p JPG pa quality-85 ndi 200 mpaka 500 KB; 4K PNG ndi 6 mpaka 15 MB. Pamapeto pake, kuchotsa PNG panthawi iliyonse ya 10-mphindi 1080p DivX kumabweretsa ~ 50 GB pamodzi.
DivX yokhala ndi DivX siyimasunga EXIF pa frame momwe kamera ikugwirira ntchito, choncho mafayilo a JPG amatuluka ndi EXIF yopanda pake. Timayika `creation_time` yokhala ndi nthawi yoyambira ya frame kuti muthe kubwezeretsa bundle ndi kujambula.
Kutulutsa kwa frame ndi kosavuta - nthawi zambiri 20 mpaka 30% ya nthawi yoyambira pa standard pipeline. 5-mphindi DivX → JPG bundle imatha m'miphindi pafupifupi popanda malire a frame count, chifukwa bowa ndi JPG encoder, osati DivX demuxer.
Ndiyo — njira yophunzirira imavomereza mndandanda wa ma timestamps ogawidwa ndi koma (mwachitsanzo `00:01:23,00:05:00,00:10:42`) ndipo imapanga fayilo imodzi ya JPG pa timestamp. Ndikothandiza kwa mathumbnails a bokosi, ma shots a scene reference, kapena mathumbnails a maphunziro ochepa.

DivX

DivX ndi kanema psinjika luso kuti amalola apamwamba kanema psinjika ndi zazing'ono wapamwamba masaizi. Nthawi zambiri amagwiritsidwa ntchito pogawa mavidiyo pa intaneti.

JPG

JPG mafayilo agwiritsa ntchito lossy kusamvana oyenera kwa zithunzi, kupatsa ochepa kukula kwa fayilo pamene kuteteza kuwala.


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