Converter

converter for different needs:
searching for the fastest and most memory saving open code to do that, suggestions?

text * html->pdf * pdf->html * ascii -> postscript * ascii -> pdf audio * wav.-> mp3 * wav -> ogg * wma -> mp3 * wma -> ogg * mp3 change bitrate image * jpg -> png * gif -> png * png -> jpg * resize * colors * rotate video * avi -> mpg * avi -> svcd * avi -> dvd * mplayer --v caca