fitting 20 or so hours on a DVD, you could use vbitrate=400. The resulting video quality would probably be quite bad. If you are trying to squeeze out the maximum possible quality on a DVD, use vbitrate=9800, but be warned that this could constrain... 11.8.3.4. Advanced Options ====
For higher quality encoding, you may also wish to add quality-enhancing options to lavcopts, such as trell, mb... ers. Note that qpel and v4mv, while often useful with MPEG-4, are not usable with MPEG-1 or MPEG-2. Also, if you are trying to mak
