[FFmpeg-cvslog] lavfi/vsrc_mandelbrot: replace round by lrint

[Ganesh Ajjanagadde]

ffmpeg | branch: master | Ganesh Ajjanagadde <gajjanagadde at gmail.com> | Wed Dec 16 14:54:53 2015 -0500| [5484cbe9f765124f9e9c704467c6013731d71ed0] | committer: Ganesh Ajjanagadde

lavfi/vsrc_mandelbrot: replace round by lrint

lrint is at least as fast, and is more accurate.

Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5484cbe9f765124f9e9c704467c6013731d71ed0
---

 libavfilter/vsrc_mandelbrot.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vsrc_mandelbrot.c b/libavfilter/vsrc_mandelbrot.c
index 063b7d1..2f6944f 100644
--- a/libavfilter/vsrc_mandelbrot.c
+++ b/libavfilter/vsrc_mandelbrot.c
@@ -183,7 +183,7 @@ static void fill_from_cache(AVFilterContext *ctx, uint32_t *color, int *in_cidx,
         int x;
         if(p->p[1] > py)
             break;
-        x= round((p->p[0] - s->start_x) / scale + s->w/2);
+        x= lrint((p->p[0] - s->start_x) / scale + s->w/2);
         if(x<0 || x >= s->w)
             continue;
         if(color) color[x] = p->val;