lavfi/ebur128: apply I dual mono correction only if I available

Spotted-by: jamrial & gcc 6
9 years ago · 5083900b73
parent f69f050a31
commit 5083900b73
1 changed files with 2 additions and 1 deletions
--- a/libavfilter/f_ebur128.c
+++ b/libavfilter/f_ebur128.c
@ -663,12 +663,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
                    nb_integrated  += nb_v;
                    integrated_sum += nb_v * ebur128->i400.histogram[i].energy;
                }
-                if (nb_integrated)
+                if (nb_integrated) {
                    ebur128->integrated_loudness = LOUDNESS(integrated_sum / nb_integrated);
                    /* dual-mono correction */
                    if (nb_channels == 1 && ebur128->dual_mono) {
                        ebur128->integrated_loudness -= ebur128->pan_law;
                    }
+                }
            }

            /* LRA */