Txhua tus tub ntxhais kawm Engineering thiab cov neeg kawm tiav paub txog hom lus tshiab dua li hom lus ib txwm muaj. C yog ib qho ntawm txoj kev sib raug zoo los ntawm cov lus Programming siab tshaj plaws raws li qee qhov cim. Koj puas xav ua media player siv los lus 'C'? Koj puas xav tias muaj cov lus qhia ib-qib-qib rau txoj hauv kev rau qhov kev tsim cov xov xwm tawm? Koj yuav tau txiav txim siab ntau yam haujlwm rau kev ua qhov no. Koj yuav tsum qhib thiab teeb tsa cov ntaub ntawv xov xwm, tsim qauv tus neeg siv kev sib txuas, siv cov ntawv qhia hnub nyoog thiab nas lossis keyboard.
Kev coj multimedia nrog ffmpeg zoo nkauj yooj yooj yim npaum li qhov kev pab cuam no, txawm hais tias qee qhov kev zov me nyuam yuav muaj qhov nyuaj heev "UA TSWV YIM" Yog li hauv qhov kev qhia no, peb yuav qhib cov ntawv, nyeem los ntawm cov kab hauv video hauv nws, thiab peb DAIM DAB TSI yuav tau sau tus ncej rau hauv ntawv PPM.
Ffmpeg yog dab tsi?
ffmpeg yog ib qho kev ua tiav, hla-platform kev daws teeb meem los sau, hloov thiab ntws audio thiab video. Nws yog lub tsev qiv ntawv zoo tshaj plaws thiab zoo tshaj plaws rau kev tsim cov ntaub ntawv siv video lossis txawm tias lub hom phiaj siv dav dav. Nws yeej ua tib zoo saib xyuas txhua qhov nyuaj ntawm kev yees duab los ntawm kev ua ntau yam haujlwm uas suav nrog:
- Txiav txim siab
- Encoding
- muxing
- Demuxing
Qhov no tuaj yeem ua rau kev thov sau xov xwm ntau me ntsis. Nws yooj yim, sau rau hauv C, zoo nkauj nrawm, thiab tuaj yeem txiav txim siab yuav luag txhua tus codec uas koj yuav pom hauv kev siv niaj hnub no, thiab encode ob peb lwm hom ntawv tib yam.
Yuav Ua Li Cas Tus Neeg Nruab Nrab Ua Media nyob rau C Hom Lus Siv Ffmpeg?
ffmpeg yog lub tsev qiv ntawv video zoo uas yog sau ua C hom lus uas yuav pab koj ua cov ntawv thov nkag tau yooj yim. Raws li kev hloov tshiab ntawm ffplay (qauv program los nrog ffmpeg), ntawm no, Kuv tabtom qhia txoj kev zoo tshaj plaws rau code koj tus kheej media player hauv tsawg dua 1000 kab.
Yog tias koj tau zoo nkauj paub ntau ntawm cov tsev qiv ntawv siv rau kev tsim cov ntawv thov video, ffmpeg yog ib txoj hauv kev zoo tshaj. Lub tsev qiv ntawv zoo no lub hom phiaj ua cov video ua cov haujlwm zoo ib yam nkaus li kev txiav suab, cov kev sau ntawv, cov teeb tsa thiab ua muxing. Daim vis dis aus vis dis aus uas sau rau hauv C muaj peev xwm txiav txim siab feem ntau codec.
Yog koj xav pib nrog ffmpeg, koj nrhiav tsis tau cov ntaub ntawv ntau nyob hauv online. Li no, Kuv tau qhia cov lus qhia kom ntxaws ib kauj ruam zuj zus uas pab koj ua Media Media hauv C Lus hauv tsawg dua 1000 kab kev siv ffmpeg.
Nyem qhov no los nyeem kom tiav Cov Kev Kawm.
- Hauv phau ntawv no, kom tau txais cov vis dis aus thiab audio audio audio media, SDL (Yooj Yim DirectMedia Txheej) tau siv los ua nws yog qhov zoo hla-platform cov tsev qiv ntawv siv nyob rau hauv ntau cov video games thiab media software.
- Txhawm rau sau cov kev zov me nyuam uas yuav qhia hauv kev qhia, koj yuav tsum rub tawm SDL cov tsev qiv ntawv hauv koj lub system thiab nruab nws.
- Ntawm txhua nplooj ntawv, muaj cov ntaub ntawv C uas koj tuaj yeem rub tawm, sau, thiab ua raws.
Nrog cov ntawv qhia paub zoo, cov mutexes thiab ntau yam hauv C hom lus thiab qee lwm cov ntsiab lus multimedia, koj yog qhov zoo txaus los tw nrog ua koj tus kheej media player.
Thaum qhov kev zov me nyuam tsis ua ib qho player ua kom tiav txhua qhov koj xav tso tawm ua si, tsuas yog coj los ua txoj hauv kev los kawm ntau dua, kawm paub thiab pom ntau ntxiv thiab ntau txoj hauv kev los txhim kho txoj haujlwm hauv txoj haujlwm.
Thawj tsab xov xwm pom ntawm FossBytes.
