[FFmpeg-devel] [PATCH] eval: add function to access the current "wallclock" time.

[Stefano Sabatini]

On date Sunday 2013-01-20 19:09:11 +0100, Michael Niedermayer encoded:
> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> ---
>  libavutil/eval.c |    7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/libavutil/eval.c b/libavutil/eval.c
> index 6687b64..6ea7504 100644
> --- a/libavutil/eval.c
> +++ b/libavutil/eval.c
> @@ -32,6 +32,7 @@
>  #include "eval.h"
>  #include "log.h"
>  #include "mathematics.h"
> +#include "time.h"
>  
>  typedef struct Parser {
>      const AVClass *class;
> @@ -156,6 +157,11 @@ struct AVExpr {
>      double *var;
>  };
>  
> +static double etime(double v)
> +{
> +    return av_gettime() * 0.000001;
> +}
> +
>  static double eval_expr(Parser *p, AVExpr *e)
>  {
>      switch (e->type) {
> @@ -377,6 +383,7 @@ static int parse_primary(AVExpr **e, Parser *p)
>      else if (strmatch(next, "exp"   )) d->a.func0 = exp;
>      else if (strmatch(next, "log"   )) d->a.func0 = log;
>      else if (strmatch(next, "abs"   )) d->a.func0 = fabs;
> +    else if (strmatch(next, "time"  )) d->a.func0 = etime;
>      else if (strmatch(next, "squish")) d->type = e_squish;
>      else if (strmatch(next, "gauss" )) d->type = e_gauss;
>      else if (strmatch(next, "mod"   )) d->type = e_mod;

Missing doc update (doc/eval.texi) and micro bump, should be good
otherwise.
-- 
FFmpeg = Faithful Fundamentalist Mortal Portentous Enhancing Gymnast