From c9e1d55f082f8ffed93e566532640f2b4e80d768 Mon Sep 17 00:00:00 2001
From: Takamichi Horikawa <takamichiho@gmail.com>
Date: Sat, 23 Sep 2017 22:38:56 +0900
Subject: libopna: drum: fixed levelmeter

---
 libopna/opnadrum.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libopna/opnadrum.c')

diff --git a/libopna/opnadrum.c b/libopna/opnadrum.c
index c3e8d38..5bb3f56 100644
--- a/libopna/opnadrum.c
+++ b/libopna/opnadrum.c
@@ -94,6 +94,7 @@ void opna_drum_mix(struct opna_drum *drum, int16_t *buf, int samples) {
         co *= 15 - (level&7);
         co >>= 1+(level>>3);
         unsigned outlevel = co > 0 ? co : -co;
+        if (!drum->drums[d].left && !drum->drums[d].right) outlevel = 0;
         if (outlevel > levels[d]) levels[d] = outlevel;
         if (!(drum->mask & (1u << d))) {
           if (drum->drums[d].left) lo += co;
-- 
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