DivX → JPG

Sinthani Yanu DivX ku JPG mafayilo mosavuta

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Kukweza

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 amodzi kuchokera ku DivX ngati JPG zithunzi?

Kutsitsa fayilo ya DivX ndi wosinthira amatulutsa chisankho cha frame-extraction: chilichonse cha Nth frame, ma frame panthawi yofunikira, kapena chiwonetsero chimodzi pasecond.Katundu uliwonse wosankhidwa umasunthidwa kuchokera ku DivX video stream, amasinthidwa kukhala fayilo ya JPG yosiyana, ndipo imaphatikizidwa ngati 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.

N’chifukwa chiyani ma frame anga ochokera m’mabuku ali ndi ma liwiro ozungulira omwe amapita mwa iwo?

Chifukwa cha zomwe zimachokera. DivX zomwe zili ndi zofalitsa ndi DVD zimasunga madera awiri apakati pa chipinda, zomwe zimatha kuwonetsedwa ndi chikwi chachiwiri, ndipo chosatha chosatha chikuwonetsa kuti chimapangidwa mogwirizana ndi chosatha pa chilichonse chomwe chikuyenda. Kukhazikitsa deinterlacing pambuyo potulutsa ndi chilichonse chosatha chimapangidwa kuchokera ku chipinda chokha chosatha chosatha.

Kodi ndingapeze ma frame a JPG osagwiritsa ntchito mawu oyamba?

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.

Kodi ndiyenera kugwiritsa ntchito chiyani pakupanga kwa JPG?

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.

Kodi fayilo yayikulu kwambiri ya DivX idzatulutsidwa bwino?

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, tsitsani limodzi ndipo amachitidwa ngati ntchito imodzi.

Kodi ndi yankho liti lomwe limatuluka JPG zithunzi zosadziwika?

Kuwala kofanana ndi choyamba DivX: 1080p DivX kumabweretsa 1920x1080 JPG ma frame, 4K DivX kumabweretsa 3840x2160 JPG ma frame. Wosinthayo sasintha kapena kuchepetsa - ma pixels amachokera pa frame yosinthidwa. Musanagwiritse ntchito /resize-image/ ngati mukufuna zithunzi zochepa.

Kodi ndingagwiritse ntchito chilichonse cha DivX ngati JPG?

Ndino, koma ganizirani kuchuluka kwa fayilo - 30 fps 1-mphindi DivX imapanga 1,800 JPG mafremu. Timawapaka m'chigawo chimodzi cha ZIP mwamsanga. Kwa mavidiyo ochepa, yesani "1 pa mphindi" (60 mafremu pa mphindi) kapena kusankha nthawi yoyenera. Ora la DivX pa mafremu onse lidzapanga ~100,000 JPG zithunzi.

Kodi JPG ma frame adzasunga DivX kujambula kwa mtundu?

Ndikoyenera - mtundu umasinthidwa ndi mapangidwe omwewo omwe amapezeka patsamba la DivX (BT.709 kwa HD, BT.2020 kwa 4K HDR). Mafuta a HDR amasinthidwa ku SDR pamene akugwiritsidwa ntchito ku JPG omwe sangathe kusungira ma pixel a HDR mwanjira yachibadwa (JPG, PNG-8).

Kodi ndi chiyani chosapanga dzimbiri chosapanga dzimbiri JPG pa diski?

Kutengera pa resolution ndi JPG codec kusankhidwa: 1080p PNG frame ndi 2-5 MB yopanda kusowa, 1080p JPG pa 85 quality ndi 200-500 KB. Kuwonjezeka kwa mitengo ya frame kuti muchepetse ZIP - pamapeto pake, kutulutsa kwa PNG kwa 10-1080p DivX kwa 10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-1

Kodi JPG yosakira imasunga metadata ya EXIF ya kamera?

DivX chonyamula sichimangokhala ndi EXIF pa frame momwe kamera ikugwirira ntchito, kotero mafayilo a JPG amatuluka ndi ma blocks EXIF opanda pake. Wosintha amagwiritsa ntchito `creation_time` field yomwe imasonyeza nthawi yoyambira ya frame, kuti muthe kubwezeretsa bundle m'njira yoyenera kapena kugwirizana ndi masamba a subtitle / chapter.

Kodi nthawi yayitali bwanji kuti mutenge chiwonetsero cha DivX mpaka JPG?

Kusintha kwa frame ndi kosavuta - nthawi zambiri 20-30% ya nthawi yochokera. 5-mphindi DivX -> JPG bundle imatha m'miphindi 1 popanda kutengera kuti ndi mapazi angati omwe mumasankha, chifukwa chingwe ndi JPG encoder kulemba mafayilo ambiri ochepa mofanana, osati DivX demuxer.

Kodi ndingagwiritse ntchito ma frame panthawi yoyenera m'mavidiyo a DivX?

Ndiyo — njira yowonjezera ya timestamp imavomereza mndandanda wogawidwa ndi koma (mwachitsanzo `00:01:23, 00:05:00, 00:10:42.5`) ndipo imapanga fayilo imodzi JPG pa timestamp. Ndikothandiza kwa thumbnails ya chapter, zithunzi zokhudzana ndi scene, kapena kulenga bokosi la mauthenga kuti lifufutidwe.

DivX

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