[x264-devel] Adding borders

[Loren Merritt]

On Wed, 15 Oct 2008, Leon Woestenberg wrote:

> The question was most probably about adding macroblocks to the
> existing stream without affecting (re-encoding) the existing stream.

Not possible. If you insert or modify any pixels, you have to requantize 
everything. A sufficiently smart transcoder could save on speed, but it's 
still lossy.

--Loren Merritt