How to Play DVD/VCD/Music videos/online videos on mac using VLC ?

As so many people ask for a player on mac to play DVDs, musics, videos, online videos, i would like to introduce a powerful free player named VLC.
Below is the step by step guide about how to process VLC on mac!

Download VLC Player from here

1: Install and launch VLC!

2: Click 'File' to add media souce or drag and drop the souce to the container.

3. What's in 'Video'.
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4. The effect of the changes on the 'Crop' in 'Video' setting.

5. What's in 'File'.

6. What's in 'Playback'.

7. What's in 'Audio'

8. What's in right click on souce pop window.

9. Open DVD source.
BTW: VLC can not play the protection DVDs, using DVD Player to enjoy.