Don aiki tare da bidiyo, yana da kyau a yi amfani da shi Tsarin aiki o ffmeg, amma ... menene waɗannan?
Tsarin aiki shine mai rikodin bidiyo kyauta wanda aka saki a ƙarƙashin lasisin GPL wanda aka haɗa shi a cikin mai kunnawa na MPlayer media yayin Fmpeg tarin software ne wanda zai baku damar yin rikodin da sauya bidiyo da sauti.
me za mu iya yi da su?
Don amsa wannan tambayar ta biyu, na kawo muku wasu "dabaru" kuma na bar muku shi don yanke hukunci kan ko kun cancanci samun wuri a kwamfutarmu.
1- Cire hanyar waƙa daga bidiyo:
mplayer -vo null -hardframedrop -ao pcm:file=audio.wav video.avi
Data:
bidiyo: bidiyo wanda muke so mu cire sautin.
audio.wav: sunan fayil ɗin da aka ƙirƙira tare da sauti.
2- juya bidiyo:
mencoder -vop rotate=2 -oac pcm -ovc lavc ./normal.avi -o ./rotada.avi
Data:
juya = <0-7>: Juyawa da juyawa (na zabi) hoton +/- 90 digiri. Don sigogi tsakanin 4-7 ana yin juyawa ne kawai idan lissafin fim ɗin ya kasance a tsaye kuma ba a kwance ba.
na al'ada.avi: bidiyo wanda muke so mu juya.
juya.vi: sunan bidiyon da aka kirkira tare da juyawar da aka ƙayyade.
3- Duba bidiyo daga hotunan JPG:
mplayer "mf://*.jpg" -mf fps=15
Irƙiri bidiyon:
mencoder "mf://*.jpg" -mf fps=15 -ovc lavc -o ./dest.avi
Data:
mf: //*.jpg: ɗauki duk hotuna tare da wannan ƙarin, za mu iya amfani da shi tare da PNG: mf: //*.png
FPS: Saita saurin miƙa mulki tsakanin hotuna.
dame.vi: sunan bidiyon da aka kirkira.
4- Haɗa bidiyo da sauti:
ffmpeg -i sonido.wav -i video.avi videoconaudio.avi
Data:
sauti.wav: fayil mai sauti.
bidiyo: fayil din bidiyo.
bidiyoconaudio.avi: sunan fayil ɗin bidiyo tare da sautin da aka kayyade.
5- maida avi zuwa gif.
ffmpeg -i video.avi -pix_fmt rgb24 gif_generado.gif
Data:
bidiyo: bidiyon da muke son canzawa zuwa GIF.
gif_generated.gif: sunan fayil ɗin da aka samo daga bidiyon.
rgb24: muna saka launuka.
Anan zai zama mai ban sha'awa don sanin yadda ake canza yanayin sauti (DTS ko AC3) daga 25 fps zuwa 23.976 fps kuma akasin haka. Don bidiyo / odiyo tare kuna sani… .. amma… idan za mu sami sautin kawai? Kuma mun guji sake fasalin duk bidiyon. A cikin Windows akwai kayan aiki kamar ac3to ko ƙwararrun ƙira a cikin wannan ... a cikin Linux dole ne kuyi ƙoƙari ku yi aiki da giya .... gwangwani
Na gode.
Zan duba in ga in sami wani abu, amma ban sani ba ... Ba na tsammanin yana da wahala haka, ko? Koyaya, idan na sami wani abu, zan barshi anan 😀
Yayi kyau sosai! Na san wasu daga cikin su, amma banda hada jpg files din ba. Zan gwada shi! na gode
Kuma baku jin ya fi sauƙi ne a yi amfani da shirye-shirye tare da zane mai zane kamar Birki na hannu?