Features:

• calculate frame size according given aspect ratio
• evaluate aspect errors
• check frame size for compliance with codec (i.e. ensures that frame height/width is multiple of 4, 16, etc.)
• calculate aspect ratio according given frame size
• calculate avi video bitrate/size and bits/pixel value
• evaluate interleave overhead for legacy and OpenDML AVIs
• automatically calculate frame size depending on the video bitrate preserving good video quality
• adjust aspect ratio for cropped movies, grab frames from unencrypted vobs and show frame preview

Download: Aspect 2.1.0