How to Record Your Desktop Video and Audio Using “Avconv” Tool in Ubuntu

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10 Responses

  1. mark says:

    This is not working. How can i just uninstall this app?

  2. Fernando Biondi says:

    Hello I’m getting this error : Unknown input format: ‘X11grab’
    I’m running Ubuntu14.04 LTS on a hp compaq 6910 laptop
    eve using x11 or X11 always gives the same error
    Would you please tell me what’s wrong ?
    Thanks in advance for your kind answer

  3. any says:

    Before updating avconv with following commands youtube-dlg was running fine on Mint 17.1.

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

    But if i want to convert audio of a youtube video to mp3 now, i receive the error-message:
    ERROR: audio conversion failed: Unknown encoder ‘libmp3lame’

    libmp3lame-dev and libmp3lame0 are installed.

    Please can you help me to fix the error?

  4. Hello,

    I compiled the avconv command on Ubuntu 14.04 LTS, and received the following error:

    davidg@machine:~$ avconv -f alsa -i hw:1 -f x11grab -r 25 -s 1920×1080 -i :0.0 -vcodec libx264 -threads 4 output-file2.avi
    avconv version v12_dev0-1240-gcfdaa4d, Copyright (c) 2000-2015 the Libav developers
    built on Apr 24 2015 10:24:42 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)

    Unknown input format: ‘alsa’

  5. tom says:

    Q1. I am playing a game. The game has a very interesting sound theme. If I record my desktop, I can’t capture that sound theme right now. Is there any options to grab the sounds that come from the system.

    Q2. With this command, is it possible to record in tty (text terminals)?

  6. Dimitris Anogiatis says:

    You can also try ScreenStudio as a gui for avconv. It allows you to record your desktop and add other things like a logo and a small blurb as a title for your screencast, and also capture the picture from your webcam.

    it can also allow you to stream what you get to either Youtube live and a few other sites.

    Check it out at:

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