I enjoy your posts (and many others on this august list; Ben, Norm, Charles and Charles, Anthony, hell,... even... Sean...) so a little respect always helps to defer a roasting. Point-by point answers below:
>Halstead York wrote:
>Andrew-
> First of all, I must tip my hat to your careful and level-headed response to an admittedly reactionary post. Not to say I didn't mean what I said; I did. However, many would have escalated it into a flame war. Kudos to you sir.
> Now, to the matter at hand. You have my attention. I don't doubt your sincerity one whit. I'm just not sure how your doing this miracle. Can you (without giving away the proverbial farm) answer 3 questions for me?
>
>1) do streams that have been altered (with fades and dissolves) keep their original bitrate, or are you forced to raise the bitrate?
They keep their original bitrate.
>2) what kind of quality compromises does your process create (at both a quant block and full image level)
Hard to quote a PSNR (dB) number, but somewhere between imperceptible and pretty good in a hand-waving sort of way.
>3) when adding titles or other image-area-specific effects, are you re-rendering entire picture groups, or just the appropriate quant blocks?
Currently the entire frame. Watch this space for future wizardry...but there are only 26 hours in a Silicon Valley engineer's day *sigh*.
Cheers,
Andrew