Ffmpeg, gadza iyi yemahara software yeodhiyo uye vhidhiyo

Muchikamu chinotevera isu ticha tarisa kuFFmpeg. Ichi ndicho chimwe raira mutsara software kuunganidzwa, yemahara uye yakavhurwa sosi, kushanda nemultimedia mafaira. Inosanganisira seti yemaraibhurari ekuteerera nemavhidhiyo, sezvavari: libavcodec, libavformat uye libavutil pakati pevamwe. NaFFmpeg, chero munhu anogona kushandura pakati akasiyana mavhidhiyo uye odhiyo mafomati, seta sampuli mitengo, resize mavhidhiyo, kana kurekodha komputa yako komputa. Nezve iyo yekupedzisira yatove mumwe wandaishanda naye akataura nesu imwe nguva yapfuura.

Mumitsara inotevera tiri kuenda kunoona matanho anodiwa ku gadza FFmpeg pane Ubuntu 18.04. Tichaona maitiro ekugadza yazvino vhezheni vhezheni kana yazvino vhezheni inowanikwa. Iwo iwo iwo mirairo iwo unogona kushandiswa kuUbuntu 16.04 uye chero Ubuntu-based kugovera, kusanganisira Linux Mint uye Elementary OS.

FFmpeg paUbuntu

Isa FFmpeg 3.X

En los Ubuntu zviri pamutemo zvinyorwa tinogona kuwana FFmpeg, uye tinokwanisa gadza zviri nyore neakakodzera package maneja. Iyi ndiyo inokurumidza uye yakapusa nzira yekuisa FFmpeg paUbuntu. Nekudaro, iyo vhezheni inosanganisirwa muzvinyorwa inogona kunge isiri iyo yazvino vhezheni inowanikwa.

Pandinonyora iyi mitsara, yazvino vhezheni vhezheni inowanikwa mune yeUbuntu 18.04 repositori ndeye 3.4.4. Kana iwe uchida kuve neyiyi vhezheni, iwe unongofanirwa kutevedzera anotevera matanho kuti uiise muUbuntu 18.04.

Tichatanga nekuvhura terminal (Ctrl + Alt + T). Mariri isu tinonyora zvinotevera kugadzirisa runyorwa rwemapakeji aripo:

sudo apt update

Ipapo tinogona gadza FFmpeg kutaipa unotevera kuraira:

sudo apt install ffmpeg

Mushure mekumisikidzwa, ku simbisa kuti pasuru yacho yakaiswa mushe, tinogona kushandisa unotevera kuraira. Izvi zvichaprinta chimwe chinhu senge chinotevera:

ffmpeg -version

Kubvunza vese encoders uye madhodhi anowanikwa, tinogona kunyora:

ffmpeg -encoders

ffmpeg -decoders

Nezvese zvataurwa pamusoro apa tichave takaisa nekusimbisa kuiswa kweFFmpeg 3.X pane yedu Ubuntu system. Iye zvino tinogona kutanga kuishandisa.

Isa FFmpeg 4.X

Kana tichida gadza vhezheni itsvaNemirairo inotevera tinokwanisa kuisa FFmpeg vhezheni 4.x muUbuntu 18.04.

Shanduro 4.X yeiyi software suite inowedzera yakawanda mafirita matsva, encoders, uye madhodhi. Iyi vhezheni ndeye inowanikwa muJonathon F's PPA. Matanho pazasi anotsanangura maitiro ekuisa FFmpeg 4.x paUbuntu 18.04.

Isu tinotanga nekuvhura terminal (Ctrl + Alt + T). Mariri tichaenda kunyorera zvinotevera kuti tiwedzere PPA inodiwa:

sudo add-apt-repository ppa:jonathonf/ffmpeg-4

Paunenge iwe wawedzera iyo PPA kune yako system, unogona gadza iro rinodiwa package kunyora:

sudo apt install ffmpeg

Nezvo, iwe unenge uine vhezheni 4.X yakaiswa pane ino sisitimu uye yakagadzirira kushandiswa. Unogona tarisa yakaiswa vhezheni nemurairo mumwe chete watinoshandisa neshanduro 3.X:

ffmpeg -version

Mimwe mienzaniso

Paunenge uchichinja maodhiyo nemavhidhiyo mafaera neFFmpeg, haufanire kudoma mafomati ekupinza uye ekubuda. Iyo yekuisa faira fomati uye yekubuda fomati inoiswa kubva kufaira rekuwedzera.

Dai taida chinja vhidhiyo faira kubva mp4 kuenda webm, iwe unofanirwa kunyora chimwe chinhu senge:

ffmpeg -i entradaVideo.mp4 salidaVideo.webm

Kana isu tichifarira chinja mp3 odhiyo faira kuo ogg, iwo kuraira kuchave senge kunotevera:

ffmpeg -i entradaAudio.mp3 salidaAudio.ogg

Kana tichishandura mafaera, tichakwanisa taura macodecs atinoda kushandisa ne-- c sarudzo. Iyo codec inogona kunge iri zita reanotsigirwa dhodhi / encoder.

Dai taida chinja vhidhiyo faira kubva mp4 kuenda webm uchishandisa libvpx vhidhiyo codec uye libvorbis odhiyo codec. Tichafanirwa kushandisa odha seinotevera:

ffmpeg -i input.mp4 -c:v libvpx -c:a libvorbis output.webm

Panyaya yekuda chinja odhiyo faira kubva mp3 kuenda kune ogg yakanyorwa ne libopus codec. Iwo wekuraira kushandisa chingave chimwe chinhu senge chinotevera:

ffmpeg -i entradaAudio.mp3 -c:a libopus salidaAudio.ogg

Rumwe ruzivo nezve mashandisiro esoftware suite inogona kuwanikwa kubvunza iyo zvinyorwa zvepamutemo by FFmpeg.