[MEncoder-users] A good compromise for deinterlacing camcorder-dv-files

[Christian Ebert]

* James Hastings-Trew on Sunday, June 27, 2010 at 07:14:56 -0600
> On 10-06-27 2:57 AM, Christian Ebert wrote:
>> Have to try that one. However, as _camcorder_ material often has
>> shaky images -- as opposed to industrial preprocessed dvd
>> material -- I often found the need to work around the sharpness
>> which resulted in sharp squares e.g. in areas that are mostly one
>> color but with "gradient" transitions (blue sky).
> 
> That is a compression artifact. If you are using h264 compression,
> you can minimize this effect by using |nofast_pskip. Additionally, I
> recommend the ||nodct_decimate option as well. fast_pskip and
> dct_decimate are on by default (or were the last I checked -
> defaults have been changing lately) and both of these cause small
> differences in macroblocks to be discarded. Mostly this gives
> smaller file sizes at the expense of some loss of subtlety, such as
> in areas of smooth gradation, like sky.|

Yes, for x264 I'm using those already. Thank you.

c
-- 
theatre - books - texts - movies
Black Trash Productions at home: http://www.blacktrash.org/
Black Trash Productions on Facebook:
http://www.facebook.com/blacktrashproductions