[FFmpeg-devel] [PATCH] Clean up lib* version definitions

[Ivan Kalvachev]

On Feb 18, 2008 10:47 PM, M?ns Rullg?rd <mans at mansr.com> wrote:
>
> Diego Biurrun <diego at biurrun.de> writes:
>
> > On Sun, Feb 17, 2008 at 07:55:26PM +0000, M?ns Rullg?rd wrote:
> >> Michael Niedermayer <michaelni at gmx.at> writes:
> >>
> >> > On Sun, Feb 17, 2008 at 06:14:31PM +0000, Mans Rullgard wrote:
> >> >> Updating version numbers now requires changing only one place.
> >> >> ---
> >> >>  configure                 |    2 +-
> >> >>  libavcodec/avcodec.h      |    6 ++++--
> >> >>  libavdevice/avdevice.h    |    6 ++++--
> >> >>  libavformat/avformat.h    |    6 ++++--
> >> >>  libavutil/avutil.h        |   12 ++++++++++--
> >> >>  libpostproc/postprocess.h |    6 ++++--
> >> >
> >> >>  6 files changed, 27 insertions(+), 11 deletions(-)
> >> >
> >> > Hmm, this more than doubles the number of lines of code, and requires
> >>
> >> The new macros aside, it's replacing two lines with three in each
> >> header file (plus a blank line I thought looked better).  That's not
> >> what I call more than double.
> >>
> >> > the reader to understand/guess the meaning for an additional layer of
> >> > macros.
> >>
> >> I'd be happy to add a comment explaining them.
> >>
> >> > Do you really think this is a good idea?
> >>
> >> People have forgotten to update both sets of version numbers on
> >> occasion, and there's been a much messier patch posted in the past.
> >> IMHO, having the same information in two (or more) places is always
> >> bad.
> >
> > Being one person who managed to update just one of the two version
> > numbers in the past: I like Mans' proposal.
>
> Well, does anyone else have an opinion?

Doesn't FFmpeg have policy of saying when patch have been committed?

Anyway.
Congratulations, your commit broke MPlayer, most probably other
applications too.

vf_pp.c uses the header postprocess.h . In your patch you define the
version using the new system.

And here is the problem, the macros that calculates  the integer
version is defined in avutil.h, but avutil.h is not included into the
.c file ( as .c file doesn't use anything from avutil). The library
prostprocess.h header file also doesn't include the avutil.h. The
result , obscure compilation error.

Now I wonder what is the right way to fix that:
#include "avutil.h" inside the .c before postprocess.h or
#include "avutil.h" inside the postprocess.h