Fix bugs applying gain to voice output

1 files changed, 6 insertions, 4 deletions

diff --git a/src/vox.c b/src/vox.c
index 03ef796..84e2c28 100644
--- a/src/vox.c
+++ b/src/vox.c
@@ -213,16 +213,18 @@ static ssize_t vox_fill(xas_vox *vox,
 
     if (readlen == 0) {
         vox_stop(vox);
-    } else if (vox->gain != 1.0f) {
+    }
+
+    readcount = readlen / vox->format.sample_size;
+
+    if (readcount > 0 && vox->gain != 1.0f) {
         xas_audio_apply_gain(vox->format,
                                samples,
                                vox->gain,
                                0,
-                               readlen);
+                               readcount);
     }
 
-    readcount = readlen / vox->format.sample_size;
-
     xas_audio_zero(vox->format, samples, readcount, count-readcount);
 
     return count;