Commands tagged screencast (6)

  • mplayer webcam window for screencasts

    When recording screencast some people like to have the image from their webcam, so the can show something, that can't be seen on the desktop. So starting mplayer with these parameters you will have a window with no frames, borders whatsoever, and selecting the window a hitting the "F" key you will bring it in fullscreen. if you want to position the frame somewhere else, you could play with the --geomeptry option where 100%:100% mean bottom right corner. The HEIGHT and WIDTH can't be changed as you like, since the most webcams support specified dimensions, so you would have to play with it to see what is supported


    7
    mplayer -cache 128 -tv driver=v4l2:width=176:height=177 -vo xv tv:// -noborder -geometry "95%:93%" -ontop
    vkolev · 2010-11-21 00:08:44 3
  • Create a video screencast (capture screen) of screen portion, with audio (the audio you hear, not your mic)

    Errors in output don't matter. Stop recording: ctrl-c. Result playable with Flash too. IMPORTANT: Find a Pulse Audio device to capture from: pactl list | grep -A2 'Source #' | grep 'Name: ' | cut -d" " -f2 Show Sample Output


    2
    cvlc --input-slave pulse://<device> screen:// --screen-fps=15 --screen-top=0 --screen-left=0 --screen-width=640 --screen-height=480 --sout='#transcode{vcodec=FLV1,vb=1600,acodec=aac}:std{access=file,mux=ffmpeg{mux=flv},dst=viewport1.flv}'
    ysangkok · 2012-04-20 17:55:41 11
  • Screencast of your PC Display with mp4 output

    Since ffmpeg on Ubuntu is deprecated, now there is avconv. Please note that the screen area here is set with a predefined format "-s wxga" that is corresponding to "-s 1366x768") There is also the option to add a title in the metadata of the resulting video.


    2
    avconv -v warning -f alsa -i default -f x11grab -r 15 -s wxga -i :0.0 -vcodec libx264 -preset ultrafast -threads auto -y -metadata title="Title here" ~/Video/AVCONV_REG.mp4
    Vosaxalo · 2012-12-14 13:30:11 5
  • it allows recording of your terminal


    0
    shelr record
    antono · 2012-04-09 00:39:49 4
  • Screencast of your PC Display with webm output

    Since ffmpeg on Ubuntu is deprecated, now there is avconv. Please note that the screen area here is set with a predefined format "-s wxga" that is corresponding to "-s 1366x768") There is also the option to add a title in the metadata of the resulting video.


    0
    avconv -v warning -f alsa -ac 2 -i default -f x11grab -r 15 -s wxga -i :0.0 -acodec libvorbis -ab 320k -vcodec libvpx -qmax 2 -qmin 1 -threads auto -y -metadata title="Title here" ~/Video/AVCONV_REG.webm
    Vosaxalo · 2012-12-14 13:34:07 4
  • quick livestream screencast

    to view on another box: nc <server address> <port> | ffplay - use -r to adjust FPS and -q to adjust compression. use on trusted network only as nc is unencrypted.


    0
    ffmpeg -f x11grab -s $(xrandr | awk '/*/ {print $1}') -r 10 -i :0 -an -q 10 -f mjpeg - | nc -lp <port>
    misterhat · 2015-12-21 17:15:30 11

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