This step-by-step guide will show you how to use Aimersoft DVD
Ripper for Mac to rip general DVD (copy-protected included) on Mac OS X
(Leopard Supported).
What you need is Aimersoft DVD Ripper for Mac; you can free download it from here:
http://www.macvideotools.com/MacVideoTools/post/Aimersoft-DVD-Ripper-for-Mac.aspx
Part1. How to rip DVD to MP4, MOV, AVI, MPEG, 3GP, FLV, M4V on Mac OS X?
Step1. Download and install Aimersoft DVD Ripper for Mac. Insert your
DVD disc into DVD drive, then run the software, click “Load DVD” button
to import the DVD file. You can also load DVD folders from your hard
drive by clicking “Load IFO”, DVD folders files name appear like
"Video_TS”.
Tips: This software supports converting by
selecting chapters or customizes conversion time. If you just want
certain part of the DVD movie, you can check the chapters you want or
trim the movie.
Step2. This software can convert DVD to
various video formats such as MP4, MPEG, AVI, M4V, MOV, 3GP, MPG, FLV,
etc. Click the “Profile” drop down list to select a format you want.

Tips: If you don’t know much about video formats, you
can select a format according to the name of your portable player. For
example, you can select “iPod Touch MPEG-4 (*.mp4)” when you want to
rip DVD movie for iPod Touch, and the default setting works great. This
software also includes the DVD Audio Ripper function, so you can
extract audio from DVD movie to MP3 or AAC for web using or other
portable player.
If you want to customize the output video quality, you can click the
“Settings” button next to the format field to open the Settings window
and set video resolution, frame rate, bit rate, encoder, etc. See the
figure below:

Step3. Select Subtitle and Audio
Regular DVD movies usually have several subtitles such as English,
French, German, etc. You can select one you prefer. You can also delete
the subtitle by selecting “No Subtitle”. Selecting Audio is the same.

After the above steps, click “Start” to start conversion. When the
conversion finished, you can click “Open” to locate the file in your
hard drive.
Part2. How to edit (trim, crop, join) DVD movie on Mac OS X
If
you want to capture certain part of the DVD movie, you can click “Trim”
to customize the conversion time, there will be a timeline below the
preview window, you can drag the little triangle icon to set the
conversion start time and end time.
If you want to cut the black edges of the DVD movie, you can click the
“Crop” button, and then you will see a pop up windows (See the figure
below). There is a frame in dashed line around the movie video; you can
drag it to cut the black edges. More over, you can specify an area by
setting the crop values. You can select an output aspect ratio and the
available options are: Keep Original, full screen, 16:9 and 4:3.
If you want to join several DVD chapters into one file, on the main
interface, there is a check box “Merge into one file”, select it, then
you will only get one output file instead of several files by chapters.
You
can click the “Effect” button and customize the brightness, saturation,
contrast, volume, etc (See the figure below). You can even apply
special effects such as “Emboss”, “Negative”, “Old film” and “Gray” by
selecting an effect from drop-down list.
Download Aimersoft DVD Ripper for Mac here