#ffmpeg script
#--------------------------------------------------------------------------------------
#sample:ffmpeg -f alsa -ac 2 -i hw:0,1 -f x11grab -r 30 -s 1280x1024 -i :0.0 -acodec pcm_s16le -vcodec libx264 -vpre lossless_ultrafast -threads 0 output.avi
#sample2:avconv -f alsa -i pulse -f x11grab -r 25 -s 1920x1080 -i :0.0 -vcodec mpeg4 -b 12000k -g 300 -bf 2 -acodec libmp3lame -ab 256k Screencast.avi
#sample3:ffmpeg -threads 0 -f alsa -i pulse -f x11grab -s 1280x720 -r 30 -i :0.0+0,0 -vcodec libx264 -preset superfast -crf 16 -acodec libmp3lame -ab 256k -ar 44100 -f mp4 screencast.mp4
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#script by Xpander
#----------------------------------------------------------------------------------------
#date function
DATE=`which date`

#mount ramdisk
#gksu mount -t tmpfs -o size=3096M tmpfs /tmp/ramdisk/

#How many threads used (0 for automatic)
THREADS=0
#Resolution
RESO=1600x900
#Audio Device
AUDIO=alsa
#Channels
CHANNELS=2
#SoundCard
SOUNDCARD=pulse
#Frames per second
FPS=29
#Directory where your video is gonna be saved.(include / at the end)
DIRECTORY=$HOME/Videos/
#File name
FILENAME=videocast`$DATE +%d%m%Y_%H.%M.%S`.mp4

#script
ffmpeg -f $AUDIO -ac $CHANNELS -i $SOUNDCARD -f x11grab -r $FPS -s $RESO -i :0.0 -vcodec libx264 -preset ultrafast -crf 16 -acodec libmp3lame -ab 256k -ar 44100 -f mp4 -threads $THREADS $DIRECTORY$FILENAME