[Fwd: Re: [Mplayer-advusers] Problme running mplayer over directfb on i845GL]

[Diego Biurrun]

scorproy at HotPOP.com writes:
> 
> I ran mplayer on directfb giving this command:
> *mplayer -vo directfb -vf format=bgr16 */*filename.mpg*./ My system is a 
> PC with Fedora Core 2 having i845G chipsets. As far as I have 
> understood, the decoder outputs in a colourspace that is not understood 
> by the directfb(or frambuffer driver, I am not sure which one)
> for i810 and above chipsets. So I have to add a filter to convert the 
> output to bgr16 format. Also, bgr16 is not a talked about format for us 
> common users. So my first instinct was to specify rgb16. But then also 
> some colours were interchanged (blue & red I guess).
> Only after seeing the debug output, I tried with bgr16.
> My point is, I tried this by using a hit & trial method. Maybe there is 
> a better way of doing this. So I cannot say what to write in the help 
> doc,as I am not sure I am technically correct, but if the above method 
> is correct, you can add it to the directfb section. Also, you can add a 
> link to /tech/colorspcae.txt/. Though the document might be a bit 
> overwhleming for a normal user, it might help if a user really wants to 
> dig into the details.

What about something along the lines of

  If your chipset does not support certain colorspaces you may have to
  convert them to something your card understands with the format
  video filter.

Diego