avfilter/af_dynaudnorm: use better check for infinite loop

Apparently due to rounding this happens.
9 years ago · 22d13e4290
parent 571f33de0a
commit 22d13e4290
1 changed files with 2 additions and 1 deletions
--- a/libavfilter/af_dynaudnorm.c
+++ b/libavfilter/af_dynaudnorm.c
@ -519,7 +519,8 @@ static double setup_compress_thresh(double threshold)
        double step_size = 1.0;

        while (step_size > DBL_EPSILON) {
-            while ((current_threshold + step_size > current_threshold) &&
+            while ((llrint((current_threshold + step_size) * (UINT64_C(1) << 63)) >
+                    llrint(current_threshold * (UINT64_C(1) << 63))) &&
                   (bound(current_threshold + step_size, 1.0) <= threshold)) {
                current_threshold += step_size;
            }