record specified window with ffmpeg script by 风入松 qq:896806986

record specified window with ffmpeg.sh

#!/bin/bash 
#=========================================================================
#     FileName: myrecord.sh 
#         Desc:  -- record my desktop by ffmpeg
#       Author: tiglog
#        Email: [email protected]
#      Version: 1.0
#   LastChange: 2013-09-20 20:20:51
#=========================================================================
# Usage: myrecord.sh /path/fo/out.flv
if [ $# -ne 1 ]; then 
    echo -e "Usage: \n\t myrecord.sh <out.flv>\n\n"
    exit 0
fi
wininfo=`xwininfo | egrep Width\|Height\|Corners`
w=`echo $wininfo | awk '{print $2}'`
h=`echo $wininfo | awk '{print $4}'`
s=`echo $wininfo | awk '{print $6}'|sed 's/+\([0-9]\+\)$/,\1/'`
ffmpeg -s ${w}x${h} -r 25 -f x11grab -i :0.0${s} -f alsa -ac 2 -ar 44100 -i pulse -qscale 6 $1
# vim:ft=bash
# End of file myrecord.sh