The video must be in an AVI container, and OpenDML isn't currently supported.
Changes from MPEG4 Modifier 1.4.3 to MPEG4 Modifier 1.4.4 :
- Fixed a few small issues that prevented DivX subtitles from working.
- Added *.divx to the supported extension list in the file dialogs.
- A default file name is now provided when saving.
Important Note :
- MPEG4 Modifier 1.4.4 requires
Microsoft .NET Framework which is only included in XP.