[mythtv-users] mythtranscode raw and interlace mode

Chris Petersen lists at forevermore.net
Sat Aug 30 00:21:47 EDT 2003


Just burned and tested my first myth svcd's and though they look great
on my computer, fast transition scenes are rather choppy on my dvd
player.   I'm trying to narrow down the culprit, and thought I'd ask
about interlace mode.   mpeg2enc defines it as:

> This sets the sequences picture structure and block encoding  type
> for MPEG-2  streams.   Setting  0  encodes  frame-by-frame with 
> support for interlaced video turned off.  This is the  most  
> efficient  option  for encoding  material  that  is  not  interlaced  
> (e.g.  movies  in PAL 25 frame/sec or NTSC 24 frames/sec in 3:2 
> pulldown format). 

I've been using 0 since I figured that my source wasn't interlaced, but
I figured that I should check - if it's not, or if it's variable, I can
pull it out of the nuv file header pretty easily now.

If this isn't a problem, I guess I need to try reducing my encode
quality.

-Chris



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