avfilter/vf_idet: use av_rescale()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · 4bbd8f05f7
parent 5d590d87b3
commit 4bbd8f05f7
1 changed files with 2 additions and 2 deletions
--- a/libavfilter/vf_idet.c
+++ b/libavfilter/vf_idet.c
@ -173,8 +173,8 @@ static void filter(AVFilterContext *ctx)


    for(i=0; i<4; i++){
-        idet->prestat [i] = (idet->decay_coefficient * idet->prestat [i]) / PRECISION;
-        idet->poststat[i] = (idet->decay_coefficient * idet->poststat[i]) / PRECISION;
+        idet->prestat [i] = av_rescale(idet->prestat [i], idet->decay_coefficient, PRECISION);
+        idet->poststat[i] = av_rescale(idet->poststat[i], idet->decay_coefficient, PRECISION);
    }

    idet->total_prestat [           type] ++;