Arduino playing video ?

Guys,

Does anyone of you know on how to play video+sound with arduino ?
Perhaps I need a AV processor chip for it, any suggestions ?

Thanks

Take your Arduino.
Replace it with a computer.
Play the video and/or sound on the computer.
QED.

Here 'computer' could be something like an RPi, or something like a Yun which combines an Arduino microntroller with a microprocessor.

Definitely agree with using a Raspberry Pi. Not worth the trouble on an Arduino, and you won't be able to get results anywhere near the Raspberry Pi (which supports HD video and audio out-of-the-box).

But... if you are really determined, have a look at this:
http://playground.arduino.cc/Main/TVout#.UxophfldXx4

f you are really determined, have a look at this:

But that is not playing video.

You can not play video on an arduino, not fast enough and not enough memory.