Yadda ake yin rikodin Bidiyo da Audio na Desktop ɗinku ta amfani da kayan aikin Avconv a cikin Ubuntu

Libav saitin ɗakunan karatu ne na dandamali da kayan aikin da ake amfani da su don mu'amala da fayilolin multimedia, rafuka da ka'idoji, tun asali an yi watsi da shi daga aikin ffmpeg. Libav ya ƙunshi ƙananan kayan aikin da yawa kamar:

  1. Avplay: na'urar bidiyo & mai jiwuwa.
  2. Avconv: mai canza multimedia tare da bidiyo & mai rikodin sauti daga tushe daban-daban.
  3. Avprobe: kayan aiki ne wanda ke haɗi zuwa rafin fayil ɗin multimedia kuma yana dawo da bayanai masu amfani da yawa da ƙididdiga game da shi.
  4. Libavfilter: API ɗin tacewa don kayan aikin Libav daban-daban.

A cikin wannan labarin, za mu bayyana yadda ake yin rikodin bidiyo da sauti na tebur na Linux ta amfani da shirin 'Avconv' akan rarrabawar Debian/Ubuntu/ Linux Mint.

Mataki 1: Shigar da Avconv Tool

1. avconv wani bangare ne daga kunshin \libav-tools, wanda ke samuwa don girka daga ma'ajiyar hukuma don duk rarraba tushen Debian kamar Ubuntu da Mint, ta amfani da umarni masu zuwa.

$ sudo apt-get update
$ sudo apt-get install libav-tools

Lura: Shigar da fakiti daga tsoffin ma'ajin, na iya ba ku ɗan ƙaramin sigar kayan aikin 'avconv'. Don haka, muna ba ku shawarar samun sabon sigar daga ma'ajin git na hukuma, kamar yadda aka nuna a ƙasa.

$ sudo apt-get install yasm
$ git clone git://git.libav.org/libav.git
$ cd libav
$ ./configure
$ make
$ sudo make install

Lura: Dole ne ku kunna \./configure -helpdomin jera duk zaɓuɓɓukan da ke akwai don fayil ɗin daidaitawa da shigar da codecs da ɗakunan karatu waɗanda kuke so, kuna buƙatar yin aiki mai yawa don shigar da abubuwan dogaro.

Hakanan lura, idan an yi amfani da ku ta hanyar tattarawa-daga-source, koyaushe za ku yi amfani da \sudo avconv maimakon \avconv don kunnawa. kayan aiki.

Mataki 2: Fara Video Recording na Desktop

2. Kun shirya yanzu, duk abin da za ku yi shi ne yin rikodin bidiyo na tebur ta hanyar ba da umarni mai zuwa.

$ avconv -f x11grab -r 25 -s 1920x1080 -i :0.0 -vcodec libx264 -threads 4 $HOME/output.avi

Yanzu bari mu bayyana umarnin a takaice:

  1. avconv -f x11grab shine tsohuwar umarni don ɗaukar bidiyo daga uwar garken X.
  2. -r 25 shine ƙimar firam ɗin da kuke so, kuna iya canza shi idan kuna so.
  3. -s 1920×1080 shine ƙudurin allo na tsarin ku, canza shi zuwa ƙudurin tsarin ku na yanzu, yana da mahimmanci don yin wannan.
  4. -i :0.0 shine inda muke son saita wurin fara rikodin mu, bar shi kamar haka.
  5. -vcodec libx264 shine codec na bidiyo da muke amfani da shi don yin rikodin tebur.
  6. -threads 4 shine adadin zaren, zaku iya canza shi ma idan kuna so.
  7. $HOME/fitarwa shine hanyar da kake son adana fayil ɗin.
  8. .avi shine tsarin bidiyo, zaku iya canza shi zuwa “flv”, “mp4”, “wmv”, “mov”, “mkv”

3. Bayan ka shigar da umurnin, rikodin zai fara ta atomatik a matsayin tsari da ke gudana daga tashar, don dakatar da shi, danna maballin Ctrl + C a cikin tagar tashar.

4. Yanzu, zaku iya sarrafa fayil ɗin ta amfani da VLC ko kowane mai kunna multimedia, ko kuna iya sarrafa shi ta amfani da kayan aikin \avplay wanda shine multimedia player daga kunshin Libav iri ɗaya.

$ avplay $HOME/output.avi

Lura: Kar ka manta don maye gurbin hanyar fayil ɗin manufa. Kyakkyawan rikodin yana da kyau sosai.

Anan ga bidiyon da na yi rikodin ta amfani da kayan aikin \avconv.

Mataki 3: Fara Video & Audio Recording na Desktop

5. Idan kuna son yin rikodin sautin kuma, fara aiwatar da wannan umarni don jera duk hanyoyin shigar da sautin.

$ arecord -l

Zai ba ku wasu fitarwa kamar wannan.

A cikin yanayina, Ina da tushen shigarwa guda ɗaya don sauti kawai, kuma lambarta ita ce \1, shi ya sa zan yi amfani da wannan umarni don ɗaukar sauti na bidiyo da makirufo.

$ avconv -f alsa -i hw:1 -f x11grab -r 25 -s 1920x1080 -i :0.0 -vcodec libx264 -threads 4 output-file2.avi

Kuna ganin wannan bangare mai launin rawaya? Shine kawai gyara da na yi don umarnin. Yanzu bari mu bayyana umarnin a takaice:

  1. -f alsa zaɓi ne don ɗaukar sauti daga na'urar alsa.
  2. -i hw:1 wani zaɓi ne don ɗaukar tushen shigar da sauti daga na'urar \hw:1 wacce ita ce ta farko - kuma ita kaɗai - shigar da na'urar sauti a cikin kwamfuta ta.< /li>

Lura: Kar ka manta ka maye gurbin lambar \1 tare da adadin na'urar shigar da kake so lokacin da kake jera hanyoyin shigar da sauti da ke akwai ta amfani da arecord -l umarni.

Don dakatar da rikodin, kuna iya sake buga maɓallan \Ctrl + C.

Mataki 4: Fara Audio Recording na Desktop

6. Idan kuna son yin rikodin sauti kawai, kuna iya amfani da umarni mai zuwa.

$ avconv -f alsa -i hw:1 out.wav

7. Kuna iya maye gurbin .mp3 da kowane tsarin sauti mai goyan bayan Libav, yanzu kuna iya kunna out.wav ta amfani da kowane na'urar mutlimedia kamar VLC.

Kammalawa

Ana iya amfani da kayan aiki don yin wasu abubuwa da yawa, ba kawai don yin rikodin bidiyo da sauti na tebur ba. Don ƙarin amfani da cikakkun bayanai game da kayan aikin \avconv, kuna iya ziyarci jagorar hukuma. a.

Karanta Hakanan: Dokokin Avconv guda 10 don yin rikodi da canza fayilolin multimedia

Shin kun yi amfani da kayan aikin \avconv kafin yin rikodin tebur ɗinku? Me kuke tunani game da shi? Shin akwai wasu kayan aikin da kuke amfani da su don yin rikodin tebur ɗinku? Raba su tare da mu a cikin sharhi.