[MPlayer-dev-eng] Screenshot Filter

[Rich Felker]

On Wed, Aug 31, 2005 at 01:30:14AM +0200, Reimar Döffinger wrote:
> Hi,
> On Sun, Aug 28, 2005 at 12:21:19AM +0100, ObsessiveMathsFreak wrote:
> > If you insert the new filter as the first in the filter chain, then 
> > something will go awry and ugly black squares will pop up(on xvid files 
> > at least).(not sure what the technical term for this is, "codec 
> > hiccup"?). If however, you insert the filter anywhere else, such as 
> > before vo using vf_add_before_vo, then no problems seem to occur and yo 
> > can start snapping screenshots with seemingly no ill effects.
> 
> Maybe that is because it is missing a get_image function? This will
> probably also have the effect of being very slow with e.g. -vo gl -dr
> (since it does not set readable correctly).

Adding or removing filters while the video is playing is definitely
not valid with mplayer's architecture. Don't even try to do it..

Rich