[MPlayer-dev-eng] Re: New remove-logo filter

[Trent Piepho]

On Fri, 25 Feb 2005, Reimar Döffinger wrote:
> On Fri, Feb 25, 2005 at 04:21:34PM +0000, Martin Atkins wrote:
> > There's already PNG-loading code that will require little modification 
> > in the deblendlogo filter. However, that entire filter is disabled if 
> > libpng isn't linked, which might be seen as a major drawback by some. A 
> > simple, generic image loading API for mplayer which supports all 
> > available image loaders would help fix this, but would be extra bloat in 
> > itself I suppose.
> 
> Look at my pgm-loading code in this thread, it can be use with almost
> zero modification for RGB ppm images, and it's less than 50 lines of pur

But the deblendlogo filter uses an alpha channel, and ppm images don't support
alpha.