PEnGUIn Encoder MP4 which is a GUI for mencoder is designed for encode from most video file formats to MP4. Users may find that the GUI looks like the same PEnGUIn Encoder PMP except optimize muxer mode for ipod, iphone, Apple TV and PSP. But all preset profiles are only tested within itune without device. (All I only have is PSP).
In the tutorials folder, I also put some mp4 videos helping users easier to know how PEnGUIn Encoder works.

What’s new:

Version 0.97b4:

• Divx muxer in mp4 was improved
• Divx resize was fixed
• Divx Encoding was added and improved with mp4 muxing.
• Please remember update binaries under Help Menu

Website
Download PEnGUIn Encoder MP4