Funda indlela yokuguqula iividiyo ukusuka kwisiphelo sendlela kunye neFFmpeg

ffmpeg

Bangaphi kuni abangenako babhenele kwiinkqubo ezahlukeneyo ukuze ukwazi ukuguqula ezinye zeefayile zakho zevidiyo ziye kwenye ifomathi yokuhambelana nesixhobo okanye ukufumana nje indawo ethe kratya ngokunciphisa ubunzima bayo.

Kwelam icala ndisebenzise iinkqubo ezahlukeneyo kwaye ndifumene iziphumo ezahlukeneyo, kuninzi lwabo sithintelwe kakhulu kukhetho abasinika lona, ukusuka ekubeni nakho ukuguqulela kwiifomathi ezithile, kuphela ngokufanayo okanye kwezinye iindlela ezininzi ongazi ukuba zenziwa yintoni nganye yazo.

Ngeli thuba Ndithatha eli thuba ukwabelana nani sisixhobo esikhulu esinamandla kakhulu esinikwe onke amanqaku kunye nezinto ezinokusinika zona kwaye kulula ukuzisebenzisa.

Esi sixhobo sibizwa ngokuba yiFFmpeg Njengoko benditshilo, kulula kakhulu ukuyisebenzisa kwaye ijolise kubo bobabini abantu abanolwazi oluphambili kunye nabasebenzisi be-novice.

FFmpeg isivumela ukurekhoda, ukuguqula kunye nokusasaza iaudiyo nevidiyoLe nkqubo yisoftware yasimahla, yayenzelwe okokuqala imeko ye-GNU / Linux, Kodwa ngenxa yokuthandwa kwayo kakhulu inokudityaniswa kwiinkqubo ezininzi zokusebenza, kubandakanya iiWindows.

Sinokuqaqambisa ukuba le nkqubo, uninzi lwabaphuhlisi bayo ikwavela kwiprojekthi ye-MPlayer.

Okokugqibela, kufuneka ndiyichaze loo nto I-FFmpeg sisixhobo somgca wokuyalela Ke ngoko, ayisebenzisi nakuphi na ujongano lomzobo, nangona kukho i-WinFF eyi-GUI yoku, ngokobuqu ndingatsho ukuba kukhetha ukufunda ukusetyenziswa kweFFmpeg, kuba abaguquleli bevidiyo abaninzi bayisebenzisa njengesiseko kwaye uninzi lwazo luxhasa ukungena kwemiyalelo yesiqhelo yesi sixhobo.

Ngaphambi kokuba uqhubeke uchaze kancinci malunga nokukhetha kwakho, ndiza kwabelana nawe kwi ikhonkco elandelayo, apho unokujonga khona ifomathi yeaudio, yevidiyo kunye nemifanekiso enokusebenza ngesi sixhobo, kunye neenketho kunye neekhowudi.

Uyifaka njani iFFmpeg kwiLinux?

Okwangoku uninzi lolwabiwo lweLinux sesi sixhobo sele sifakiwe Ngokuzenzekelayo, nangona zimbalwa ezingazibandakanyi kwimixholo yamanye amathala eencwadi angawona umthombo ovulekileyo. Ngaphandle kokuqhubela phambili ndikushiya imiyalelo yofakelo.

Ye-Debian, Ubuntu kunye neziphumo:

sudo apt-get install ffmpeg

YeArchLinux, iManjaro kunye neziphumo zayo:

sudo pacman -S ffmpeg

YeFedora, iRed Hat, i-CentOS, ivuliweSUSE, kunye neziphumo:

sudo dnf install ffmpeg 

Uyisebenzisa njani iFFmpeg?

Inyathelo lokuqala ngu Chaza ukuba loluphi uhlobo lwefomathi esiza kuguqula ividiyo yethu, kunye nefomathi yeaudiyo, ukuba sifuna ukuba ividiyo ibenesisombululo esithile, ukuba sifuna ubungakanani bevidiyo, i-audio bitrate, i-bitrate yevidiyo, i-fps, njl.

Ngoku ukuqala ukusebenzisa inkqubo, kufuneka sivule itheminali, Siza kuqala ngokufumana ulwazi kwividiyo esiza kusebenza ngayo, kuba oku sisebenzisa lo myalelo ulandelayo:

ffmpeg -i ~/Videos/video.mp4

Singabonisa indlela yevidiyo okanye simane sizibeka kwisiphelo sendlela kwifolda apho ikhoyo ividiyo yethu, kwimeko yam iya kundibonisa into enje:

ffmpeg ulwazi lwevidiyo

Ngolu lwazi singathatha uluhlu lwamaxabiso esinokwenza ngayo ividiyo yethu entsha, ukuba ufuna ukwandisa isisombululo, ii-fps, iaudiyo kunye nabanye, ungayenza, kodwa iziphumo ziya kuba mbi.

Kwimeko yam, ndinomdla wokuguqula ividiyo ukuze ndiyisebenzise kwiserver yam yemultimedia kwaye ndiyidlale ngokuthe ngqo kwiChromecast (kuba ayixhasi ukutshintsha kwezinto). Kwimeko yakho, kuya kufuneka ujonge kancinci malunga neefomathi ezicetyiswayo, kunye namaxabiso esixhobo esithile.

Elinye ityala ukuba awunamdla kwinto ethile kwaye uyiguqule imiyalelo imi ngolu hlobo lulandelayo.

Guqula ukusuka kwifomathi enye uye kwenye kwaye ffpmeg ikhathalele amaxabiso afanelekileyo:

ffmpeg -i videoaconvertir videoresultante

Kukho into enje, umzekelo, ukusuka kwi-mp4 ukuya kwi-avi okanye i-flv ukuya kwi-mpeg okanye i-mkv ukuya kwi-avi njl.

ffmpeg -i video.mp4 nuevovideo.avi
ffmpeg -i video.flv nuevovideo.mpeg
ffmpeg -i video.mkv nuevovideo.avi

Ngoku Ndiza kukushiya ezinye iiparameter nento abayenzayo:

-qscale 0: Gcina isisombululo esifanayo

Ukutshintsha isisombululo sevidiyo, kule meko ukuya kwi-1280 × 720

m-filter: v scale = 1280: 720 -c: ikopi

-s 1280 × 720 -c: ikopi

-kujonga i-16: 9: Ukuba ufuna ukutshintsha umlinganiso, kule meko 16: 9

-b: v 2600k: I-Bitrate yevidiyo kule meko ngo-2600

-b: kwi-128k: I-Bitrate yesandi apha kule meko i-128

-Ukudlula 1: Zingaphi iipasile eziya kugqiba ukuguqulwa kwevidiyo (okucetyiswayo ngu-2)

-c: aac: Codec yeaudio kule meko aac

-c: v libx264: Ikhowudi yevidiyo kule meko h.264

-framerate 30: Zingaphi ii-FPS ividiyo eza kuba nazo kule meko 30

-izinto ezi-2: Olu khetho xa uneprosesa ene-2 ​​okanye ngaphezulu kwe-cores, sinokubonisa ukuba ngaphezulu kwe-1 kusetyenziselwa uguquko lwevidiyo kwaye ke oko kukhawulezise inkqubo.

Zininzi ndicebisa ukuba ufunde le enye iWiki apho acacisa ngakumbi ukusetyenziswa kwemeko nganye.

Ngoku kwimeko yam, njengoko benditshilo, ndinomdla kwiChromecast yam, ngenxa yoku kufuneka ndiyibeke ngolu hlobo:

ffmpeg -i video.mp4 -pass 2 -b:a 128k -c:a aac -c:v libx264 -qscale 0 -framerate 29 -threads 2 nuevovideo.mp4

Ngaphandle kokuqhubela phambili, ndingatsho ukuba sisixhobo esilula, kodwa sinamandla xa umntu ethe wangena kwisifundo nangazo zonke iindlela asinika zona i-FFmpeg.


Izimvo ezi-5, shiya ezakho

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  1.   Victor sitsho

    Isifundo esihle

  2.   Umhleli sitsho

    Yinto entle. Iluncedo kakhulu. Bendiyidinga.

  3.   Enrique isalado sitsho

    Kulungile!!! Enkosi kakhulu

  4.   ukuyeka sitsho

    Utitshala olunge kakhulu.

    Kwaye ukuba ufuna iWindows:
    1.- Ukhuphelo kwigithub: https://github.com/BtbN/FFmpeg-Builds/releases
    unzip kwi-zip ukuba ufuna i-GPL okanye i-LGPL njl.
    2.- ikopi esuka kwifolda yokukhuphela iye ku-C: \, tshintsha igama elide libe elifutshane ku "C: \ FFMPEG-XX", apho i-XX inguhlobo
    3.- Cinezela iWindows + Misa kancinci, emva koko ku "Useto lwenkqubo ehambele phambili", emva koko ku "Izinto eziguquguqukayo kokusingqongileyo", emva koko kuqala "izinto eziguquguqukayo zomsebenzisi zeXXX" jonga ku- "PATH" kwaye ucofe ku "PATH" kwaye ungeze ekugqibeleni njengo: " C; FFMPEG-XX bin; C: FFMPEG-XX \ lib : \ FFMPEG-XX \ bin; C: \ FFMPEG-XX \ lib », emva koko ucofe ku« Kulungile »okanye« Kulungile emva kokuba ugqibile, cofa ku-Kulungile kwaye wamkele. Sukuwuqala kwakhona umatshini, uvala nje ikhonsoli yesiphelo sendlela ye-CMD kunye nekhonkco yesiphelo sePOWERSHELL, iya kuziqala ngokutsha izixhasi ngokwazo ngaphandle kokufuna UKUQALA umatshini kwakhona.

    1.    ukuyeka sitsho

      Amanyathelo okugqibela okugqibela….

      Sebenzisa iiparameter eziphuma kwi-linux ezichongwe apha ngasentla.

      Amathamsanqa!!!

      Ukuba ufuna kwi-1280 × 727 (720p) ndiyishiya imiyalelo ye-Windows CMD okanye iPOWERSHELL:

      ffmpeg.exe -ic: \ my_folder \ vidiyo.mpg -b: i-128k -s 1280 × 720 -ijonge 16: 9 -c: aac -c: v libx264 -framerate 29 c: \ my_folder \ newvideo.mp4

      okanye eyimfihlakalo eyi-1280 × 727 (njenge-Boeing 727!, yongeza u-7 endaweni ka "0"), owaziwa njengo "727p" kwaye sinje:

      ffmpeg.exe -ic: \ my_folder \ vidiyo.mpg -b: i-128k -s 1280 × 727 -ijonge 16: 9 -c: aac -c: v libx264 -framerate 29 c: \ my_folder \ newvideo.mp4