From cfe19f69785b1a2c744384666d5931993d4ef91f Mon Sep 17 00:00:00 2001
From: Ignacio Sanchez Gines <863613+drhelius@users.noreply.github.com>
Date: Thu, 7 Dec 2023 00:15:03 +0100
Subject: [PATCH] Avoid using ALSA when running on WSL

---
 platforms/audio-shared/Sound_Queue.cpp | 15 ++++++++++++++-
 platforms/audio-shared/Sound_Queue.h   |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/platforms/audio-shared/Sound_Queue.cpp b/platforms/audio-shared/Sound_Queue.cpp
index 4dd4fb1bd..1aaf9270f 100644
--- a/platforms/audio-shared/Sound_Queue.cpp
+++ b/platforms/audio-shared/Sound_Queue.cpp
@@ -39,7 +39,7 @@ Sound_Queue::Sound_Queue()
 	sync_output = true;
 
 	std::string platform = SDL_GetPlatform();
-	if (platform == "Linux")
+	if ((platform == "Linux") && (!running_in_wsl()))
 	{
 		SDL_InitSubSystem(SDL_INIT_AUDIO);
 		SDL_AudioInit("alsa");
@@ -172,3 +172,16 @@ void Sound_Queue::fill_buffer_( void* user_data, Uint8* out, int count )
 {
 	((Sound_Queue*) user_data)->fill_buffer( out, count );
 }
+
+bool Sound_Queue::running_in_wsl()
+{
+    FILE *file;
+
+    if ((file = fopen("/proc/sys/fs/binfmt_misc/WSLInterop", "r")))
+    {
+        fclose(file);
+        return true;
+    }
+
+    return false;
+}
diff --git a/platforms/audio-shared/Sound_Queue.h b/platforms/audio-shared/Sound_Queue.h
index d7c4230a6..bcd0ddf06 100644
--- a/platforms/audio-shared/Sound_Queue.h
+++ b/platforms/audio-shared/Sound_Queue.h
@@ -46,6 +46,7 @@ class Sound_Queue {
 	sample_t* buf( int index );
 	void fill_buffer( Uint8*, int );
 	static void fill_buffer_( void*, Uint8*, int );
+	bool running_in_wsl();
 };
 
 #endif