On Wed, Jun 01, 2011 at 06:44:04AM -0700, Ronald S. Bultje wrote:
> Hi,
> 
> On Wed, Jun 1, 2011 at 6:16 AM, Diego Biurrun <[email protected]> wrote:
> > On Tue, May 31, 2011 at 03:30:05PM -0700, Ronald S. Bultje wrote:
> >> On Mon, May 30, 2011 at 2:07 PM, Diego Biurrun <[email protected]> wrote:
> >> >
> >> > --- a/libavcodec/motion_est.c
> >> > +++ b/libavcodec/motion_est.c
> >> > @@ -1119,8 +1119,6 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
> >> >
> >> > -    av_dlog(s, "varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d 
> >> > my=%2d\n",
> >> > -            varc, s->avg_mb_var, sum, vard, mx - xx, my - yy);
> >>
> >> Why does it fail to compile? Can it be fixed?
> >
> > Because it is infinitely broken, witness:
> >
> > CC      libavcodec/motion_est.o
> > libavcodec/motion_est.c: In function ‘ff_estimate_p_frame_motion’:
> > libavcodec/motion_est.c:1125:20: error: ‘MpegEncContext’ has no member 
> > named ‘avg_mb_var’
> 
> c->mc_mb_var_sum_temp ? (suggests the code).
> 
> > libavcodec/motion_est.c:1125:50: error: ‘xx’ undeclared (first use in this 
> > function)
> > libavcodec/motion_est.c:1125:50: note: each undeclared identifier is 
> > reported only once for each function it appears in
> > libavcodec/motion_est.c:1125:59: error: ‘yy’ undeclared (first use in this 
> > function)
> 
> xx = mb_x * 16, yy = mb_x * 16.
> 
> > libavcodec/motion_est.c:1125:13: warning: passing argument 2 of ‘av_log’ 
> > makes integer from pointer without a cast [enabled by default]
> > ./libavutil/log.h:126:6: note: expected ‘int’ but argument is of type 
> > ‘const char *’
> > libavcodec/motion_est.c:1125:13: warning: passing argument 3 of ‘av_log’ 
> > makes pointer from integer without a cast [enabled by default]
> > ./libavutil/log.h:126:6: note: expected ‘const char *’ but argument is of 
> > type ‘int’
> > make: *** [libavcodec/motion_est.o] Error 1
> 
> This isn't hard to fix.
> 
> > This is a leftover from code that was removed a long time ago.
> > It is not worth fixing.
> 
> Nah... :-).

I'd say that there way not _enough_ code removed from motion_est.c,
and that's worth fixing (by removing more code).
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