[MEncoder-users] DVD compliant MPEG2 encoding

[Michael Niedermayer]

Hi

On Thu, Sep 08, 2005 at 11:01:27PM -0400, Rich Felker wrote:
> On Fri, Sep 09, 2005 at 01:14:18AM +0300, Lauri Myllari wrote:
> > 1) me_range
> > 
> > The player I use for testing is a Pioneer DV-545 and it's apparently
> > quite strict about standard compliance. After adding "me_range=127" to
> > lavcopts the player stopped skipping/crashing on scenes with fast
> > motion.

use cvs!!!


> > 
> > I'm not sure what the correct value for me_range is. Mailing list
> > archives suggest 128 and 256 (IIRC). To quote from the doom9.org thread:
> > 
> > "For Main level, ISO 13818-2, table 7-8 and E-8:
> > horizontal range: -1024 : 1023.5 (f_code = 8)
> > vertical range: -128 : 127.5 (f_code = 5)"
> 
> The correct value to use is 128. 

no it should be 256 IIRC


[...]
> > Should this be noted in the encoding-guide.txt section about DVD
> > constraints?
> 
> Yes.

probably not but it wont hurt OTOH, this is a limit of MPEG-2 not dvd, and 
lavc will take care of it by default

[...]
-- 
Michael