Conversion

Images

convert image formats

Use the command convert like this:

convert name.format name.jpg

Music files

wav to mp3

install laMe, e.g. for SUSE Linux:

yast -i lame

Then do the conversion like this:

tweedleburg:~/music # ls -l Various\ Artists\ -\ 04\ -\ Wer\ Hat\ Die\ Schönsten\ Schäfchen\?.wav 
-rw-r--r-- 1 root root 23682332 Aug 18 20:10 Various Artists - 04 - Wer Hat Die Schönsten Schäfchen?.wav
tweedleburg:~/music # lame Various\ Artists\ -\ 04\ -\ Wer\ Hat\ Die\ Schönsten\ Schäfchen\?.wav 
LAME 3.99.5 64bits (http://lame.sf.net)
Using polyphase lowpass filter, transition band: 16538 Hz - 17071 Hz
Encoding Various Artists - 04 - Wer Hat Die Schönsten Schäfchen?.wav
      to Various Artists - 04 - Wer Hat Die Schönsten Schäfchen?.mp3
Encoding as 44.1 kHz j-stereo MPEG-1 Layer III (11x) 128 kbps qval=3
    Frame          |  CPU time/estim | REAL time/estim | play/CPU |    ETA 
  5141/5141  (100%)|    0:04/    0:04|    0:04/    0:04|   33.079x|    0:00 
------------------------------------------------------------------------------------------------------------
   kbps        LR    MS  %     long switch short %
  128.0       14.3  85.7        99.1   0.5   0.4
Writing LAME Tag...done
ReplayGain: -6.3dB
tweedleburg:~/music # ls -l Various\ Artists\ -\ 04\ -\ Wer\ Hat\ Die\ Schönsten\ Schäfchen\?.mp3 
-rw-r--r-- 1 root root 2149145 Aug 18 20:19 Various Artists - 04 - Wer Hat Die Schönsten Schäfchen?.mp3

k3b cannot convert music files?

install "libk3b2-mp3"

Videos

Main article: Video Conversion

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

wikis

• Convert a dokuwiki to mediawiki