[MEncoder-users] Tuning hqdn3d

[Andrew Berg]

RC wrote:
> On Sun, 10 May 2009 11:25:00 -0500
> Andrew Berg <bahamutzero8825 at gmail.com> wrote:
>
> > Well, I've been playing with the settings, and I seem to get stuck
> > with either a lot of noise, a lot of "trails",
>
> The temporal values cause trails.  Set those low.
>   
I have, and when I do, there's noise.
> > quality is what I aim for rather than a target filesize, so crf wins
> > over 2-pass by a large margin.
>
> That doesn't make much sense.  Figure out what the average bitrate is
> when you encode the video with your CRF values, then use that as the
> bitrate for a 2-pass encode, and you should get somewhat better quality,
> at the same file size.
>
> With the way x264 handles threading, I wouldn't be surprised if
> 2-pass+turbo mode was just as fast as CRF, on systems with several
> cores.
>   
So I should do an entire encode just to find the average bitrate so I
can do another encode of the same file with 2-pass? /That/ doesn't make
sense.