From 91e6054b03100c765ce0eda5d08ad5fa90c0b445 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Fri, 19 May 2017 12:40:55 -0400
Subject: [PATCH] wasapi: don't mark capture devices as failed for
 AUDCLNT_S_BUFFER_EMPTY.

Fixes Bugzilla #3633.
---
 src/audio/wasapi/SDL_wasapi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/audio/wasapi/SDL_wasapi.c b/src/audio/wasapi/SDL_wasapi.c
index 6574be555..69a5e9701 100644
--- a/src/audio/wasapi/SDL_wasapi.c
+++ b/src/audio/wasapi/SDL_wasapi.c
@@ -563,7 +563,9 @@ WASAPI_CaptureFromDevice(_THIS, void *buffer, int buflen)
         DWORD flags = 0;
 
         ret = IAudioCaptureClient_GetBuffer(this->hidden->capture, &ptr, &frames, &flags, NULL, NULL);
-        WasapiFailed(this, ret); /* mark device lost/failed if necessary. */
+        if (ret != AUDCLNT_S_BUFFER_EMPTY) {
+            WasapiFailed(this, ret); /* mark device lost/failed if necessary. */
+        }
 
         if ((ret == AUDCLNT_S_BUFFER_EMPTY) || !frames) {
             WASAPI_WaitDevice(this);