[XviD-devel] an idea for random cutting

Radoslaw Czyz xvid-devel@xvid.org
Tue, 3 Sep 2002 21:39:55 -0700


> could it be possible to add a recompress function to XviD, wo would allow for example to
> code the frame number x, who is a P-frame, i an I-frame (i know it's not lossless), and keep
> all other frames with the same texture / motion data.
> This way, it would be possible to cut the bitstream at any frame.

Nah, you would have to use quant 1 and probably still have artifacts.
It would be even more difficult with B frames, because B frames relay
on future frame's motion vectors (which are assummed to be 0,0 in case
of an I frame).