From aef1ed4ac66fa11a551389153089c414947033d5 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Wed, 25 Sep 2019 15:40:27 -0400
Subject: [PATCH] audio: Set (something close to) the correct silence value for
 U16 audio.

Partially fixes Bugzilla #4805.
---
 src/audio/SDL_audio.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 768db02c9..8296b56ec 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -1669,8 +1669,15 @@ SDL_CalculateAudioSpec(SDL_AudioSpec * spec)
 {
     switch (spec->format) {
     case AUDIO_U8:
+
+    // !!! FIXME: 0x80 isn't perfect for U16, but we can't fit 0x8000 in a
+    // !!! FIXME:  byte for memset() use. This is actually 0.1953 percent off
+    //  from silence. Maybe just don't use U16.
+    case AUDIO_U16LSB:
+    case AUDIO_U16MSB:
         spec->silence = 0x80;
         break;
+
     default:
         spec->silence = 0x00;
         break;