i don't know if anyone has heard blu-ray ripper

before ,personaly,i think it is useful ,now sharinh with u all:as far as i know, it can rip blu-ray and general dvd to almost all the popular video and audio formats with high quality and converting speed.
this itoolsoft blu-ray dvd ripper helps u share ur blu-ray and general dvd movie or music on more portable players, like ipod, iphone, gphone, apple tv, psp/ps3, xbox, mobile phone, mp3 player.
only get the part you like by setting the begin and end time for the conversion through the preview window and also can capture the beuatilful pictures of movie.
→key features:
• rip blu-ray dvdand general dvd movie to many output formats:video:avi, asf, mpeg, mp4, wmv, mkv, mov, flv, swf, rm, 3gp, etc. audio: aac, ac3, mp3, ogg, wav, wma, m4a, ra, aiff, au.
• rip with high definition and highest rate.
• enjoy blu-ray and general dvd on more multimedia devices: apple tv, ipod, iphone, gphone, psp\ps3, xbox, mobile phone, windows mobile.•set detailed parameter to rip your blu-ray and general dvd into luxurious visual sumptuous dinner for all
• shutdown pc automatically when conversion is complete.
• preview movie artwork to the fullest.

the link :blu-ray ripper - software wikipedia

includes the tutorial:about how to use it !

hope it help u guys !