[FFmpeg-devel] [PATCH 10/13] Add rawvideo pixel formats to codec tags mapping for the newly added nut rawvideo pixel formats codec tags.

[Michael Niedermayer]

On Wed, May 12, 2010 at 01:31:26AM +0200, Stefano Sabatini wrote:
> On date Sunday 2010-05-09 23:18:47 +0200, Michael Niedermayer encoded:
> > On Sun, May 09, 2010 at 03:33:27PM +0200, Stefano Sabatini wrote:
> [...]
> > >  nut4cc.txt |   10 ++++++++++
> > >  1 file changed, 10 insertions(+)
> > > 4ad3cc6b63e9431047b26f2965899ae6c9b8cefe  nut4cc-additions.patch
> > > Index: docs/nut4cc.txt
> > > ===================================================================
> > > --- docs/nut4cc.txt	(revision 666)
> > > +++ docs/nut4cc.txt	(working copy)
> > > @@ -91,6 +91,16 @@
> > >  ARGB    Packed RGBA 8:8:8:8, 32bpp, ARGB [NOT in AVI]
> > >  RGB[24] Packed RGB 8:8:8, 24bpp RGB [NOT in AVI]
> > >  BGR[24] Packed RGB 8:8:8, 24bpp BGR [NOT in AVI]
> > > +MOWH    1bpp, 0 is white, 1 is black [NOT in AVI]
> > > +MOBL    1bpp, 0 is black, 1 is white [NOT in AVI]
> > 
> > these appear fliped from what i would have expected
> 
> This is misleading but correct.

in ffmpeg yes, in nut its undefined and we can define it as we prefer
and i dont like knowingly adding something we consider misleading


>  
> > 
> > > +BGR[8]  Packed RGB 3:3:2,  8bpp, (msb)2B 3G 3R(lsb) [NOT in AVI]
> > > +RGB[8]  Packed RGB 3:3:2,  8bpp, (msb)2B 3G 3R(lsb) [NOT in AVI]
> >                                          ^^^^^^^^
> > copy and paste error
> 
> Fixed.
>  
> > > +BGR[4]  Packed RGB 1:2:1,  4bpp, (msb)1B 2G 1R(lsb) [NOT in AVI]
> > > +RGB[4]  Packed RGB 1:2:1,  4bpp, (msb)1B 2G 1R(lsb) [NOT in AVI]
> > 
> > ambigous, (the placeent of pixels in a byte)
> 
> This is a bitstream format, clarified.

bitstream doesnt clarify it
the msb or the lsb can be first in a byte in a bitstream


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Dictatorship naturally arises out of democracy, and the most aggravated
form of tyranny and slavery out of the most extreme liberty. -- Plato
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