Rotate video for 90 degree in PC

Rotate video for 90 degree in PC

steps:
1. http://www.virtualdub.org
2. download virtualdub newest version
3. run
4. File->open-> 你個 avi
5. Video->Filters->Add... "Rotate", set your desired angle
6. Set video compression
(MUST DO !!! otherwise you will get a UNCOMPRESSED MICROSOFT AVI, which is 2GB for only 5 minutes!)
7. Set Audio
8. File->Save As avi file