1. Format Constraints =====
MEncoder is capable of creating VCD, SCVD and DVD format MPEG files usin... ject to heavy constraints. Only a small selection of encoded picture sizes and aspect ratios are avail... D also constrain you to relatively low GOP (Group of Pictures) sizes. For 30 fps material the largest ... comes along with an extremely low vbv buffer size of 327 kilobits. SVCD allows varying video bitrates
