[FFmpeg-devel] [PATCH] Implement brg4 and rgb4 input support in libswscale

Stefano Sabatini stefano.sabatini-lala
Wed May 19 00:18:36 CEST 2010


On date Friday 2010-05-14 03:16:33 +0200, Michael Niedermayer encoded:
> On Fri, May 14, 2010 at 01:33:38AM +0200, Stefano Sabatini wrote:
> > On date Friday 2010-05-14 00:50:29 +0200, Michael Niedermayer encoded:
> > > On Fri, May 14, 2010 at 12:46:10AM +0200, Stefano Sabatini wrote:
> > > > Hi,
> > > > 
> > > > here it is my naive implementation of subject, first attachment shows
> > > > the code used to generate the used tables.
> > > 
> > > the table coefficients should be adjusted depenending on the
> > > yuv type (sws_setColorspaceDetails)
> > > 
> > > (and yes i know we are missing this in other rgb->yuv code so its not
> > >  mandatory for patch approval but would be very nice if we would be
> > >  slowly fixing these shortcommings)
> > 
> > Do you prefer to use hardcoded tables or dynamically generated ones?
> 
> dynamically generate

This requires also to change the signatures for the
c->chrToYV12 and c->lumToYV12 functions.

Also I'm not sure where the tables should be initialized.

Regards.
-- 
FFmpeg = Freak Fascinating Most Picky Ecumenical Guru



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