[MPlayer-dev-eng] Make dvd-compatible mpeg's and keyint (gop size)

[Rich Felker]

On Thu, Sep 29, 2005 at 06:49:50AM +0300, Oded Shimon wrote:
> On Thu, Sep 29, 2005 at 09:36:21AM +0600, byavl wrote:
> > Hi!
> > Can anyone to describe why default for the keyint option
> > set as 250 ?
> > Many of a DVD author applications to require the strong dvd compliance
> > for GOP size. 30 frames (for PAL) and not more.

AFAIK the limit is 18 for NTSC and 15 for PAL for NTSC-FILM. Never
heard of 30..

> > Anyone can to change this default ?

No, like Oded said...

> lavc encoder has most settings default for making mpeg-4 streams, for dvd 
> compliance you need way more options than just changing keyint, you also 
> need to change some vrc settings and a bunch of other stuff... I don't 
> think it's worth changing the default just for this tiny option...

Exactly.

Rich