Conversion

Images

convert image formats

Use the command convert like this:

convert name.format name.jpg

Music files

k3b cannot convert music files?

install "libk3b2-mp3"

Videos

convert video to 3gp

mencoder INPUTFILE -nosound -ovc lavc -lavcopts vcodec=mpeg4 -vop expand=176:144,scale=176:-2 -o movie.avi -ofps 12

mplayer -vo null -ao pcm -af resample=8000,volume=+4db:sc INPUTFILE

ffmpeg -i movie.avi -i audiodump.wav -b 48 -ac 1 -ab 12 -map 0.0 -map 1.0 OUTPUTFILE

convert 3gp-Video to DivX

mencoder -ovc divx4 vid.3gp -o vid.avi

convert video for Palm

mencoder source.mpg -ofps 15 -srate 24000 -oac mp3lame -lameopts 

cbr:br=32:vol=5:mode=3 -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=96:vhq: keyint=300 -vop scale=480:320 -o target.avi

or

mencoder source.mpg -srate 24000 -oac mp3lame -lameopts cbr:br=32:vol5:mode=3\
-fps 30 -ofps 30 -ovc lavc -vop scale=320:240 -o target.avi

extract mpg from .bin

Problem: If you use file (command) on a .bin file, it outputs "data". Solution:

vcdgear -dat2mpg infile.bin outfile.mpg

Software packages

convert rpm to deb

alien --to-deb 123.rpm