[FFmpeg-devel] [PATCH] Implement AVPixFmtDescriptor.name

[Michael Niedermayer]

On Tue, Mar 17, 2009 at 08:12:24PM +0100, Stefano Sabatini wrote:
> On date Sunday 2009-03-15 20:30:37 +0100, Michael Niedermayer encoded:
> > On Sun, Mar 15, 2009 at 08:10:02PM +0100, Stefano Sabatini wrote:
> > > On date Sunday 2009-03-15 19:28:16 +0100, Michael Niedermayer encoded:
> > > > On Sun, Mar 15, 2009 at 11:53:05AM +0100, Stefano Sabatini wrote:
> > > > > On date Sunday 2009-03-15 02:04:26 +0100, Michael Niedermayer encoded:
> > > > > > On Sun, Mar 15, 2009 at 12:50:15AM +0100, Stefano Sabatini wrote:
> > > > > > > Hi,
> > > > > > > 
> > > > > > > as in subject.
> > > > > > [...]
> > > > > > > Index: ffmpeg/libavcodec/pixdesc.h
> > > > > > > ===================================================================
> > > > > > > --- ffmpeg.orig/libavcodec/pixdesc.h	2009-03-15 00:43:36.000000000 +0100
> > > > > > > +++ ffmpeg/libavcodec/pixdesc.h	2009-03-15 00:43:53.000000000 +0100
> > > > > > > @@ -41,6 +41,7 @@
> > > > > > >   *       are stored not what these values represent.
> > > > > > >   */
> > > > > > >  typedef struct AVPixFmtDescriptor{
> > > > > > > +    const char *name;
> > > > > > 
> > > > > > const char name[10];
> > > > > 
> > > > > I feel uncomfortable with just 10 chars, what about to raise that size
> > > > > to 16 or more?
> > > > 
> > > > with 16 we can just keep the pointer
> > > > 
> > > > 
> > > > > 
> > > > > Then we won't need bump in case of some overly long pixfmts, and we
> > > > > have *already* pixfmt names which can't be contained in 10 chars
> > > > > ("vaapi_moco").
> > > > 
> > > > rename to vapi_mc
> > > 
> > > That way I fear we're going to have randomly abbreviated names,
> > > without a clear correspondence with the PIX_FMT macro names.
> > 
> > shorten the PIX_FMT similarly ...
> > and MC is well known abbreviation for motion compensation
> 
> OK, so what about:
> 
> 123456789
> XVMC_MPEG2_MC
> XVMC_MPEG2_IDCT
> VDPAU_MPEG2
> VDPAU_WMV3
> VAAPI_IDCT
> 
> That would lead to even more obscure names, that would be way worse
> than the few more bytes required by a complete name.

then lets keep const char *

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No great genius has ever existed without some touch of madness. -- Aristotle
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