From 629e751d5641c223422ba383ed63ab3219834061 Mon Sep 17 00:00:00 2001
From: David Reid <mackron@gmail.com>
Date: Tue, 13 Jan 2026 12:56:07 +1000
Subject: [PATCH] Fix the SDL2 backend for Emscripten.

---
 extras/backends/sdl2/miniaudio_sdl2.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/extras/backends/sdl2/miniaudio_sdl2.c b/extras/backends/sdl2/miniaudio_sdl2.c
index 573dfdf0..a07e06d3 100644
--- a/extras/backends/sdl2/miniaudio_sdl2.c
+++ b/extras/backends/sdl2/miniaudio_sdl2.c
@@ -311,7 +311,11 @@ static ma_result ma_context_enumerate_devices__sdl2(ma_context* pContext, ma_enu
         ma_bool32 hasDefaultPlaybackDevice;
         char* pDefaultPlaybackDeviceName = NULL;
 
-        hasDefaultPlaybackDevice = pContextStateSDL->SDL_GetDefaultAudioInfo(&pDefaultPlaybackDeviceName, &defaultAudioSpec, 0) == 0;
+        if (pContextStateSDL->SDL_GetDefaultAudioInfo) {
+            hasDefaultPlaybackDevice = pContextStateSDL->SDL_GetDefaultAudioInfo(&pDefaultPlaybackDeviceName, &defaultAudioSpec, 0) == 0;
+        } else {
+            hasDefaultPlaybackDevice = MA_FALSE;
+        }
 
         deviceCount = pContextStateSDL->SDL_GetNumAudioDevices(0);
         for (iDevice = 0; iDevice < deviceCount; iDevice += 1) {
@@ -377,7 +381,11 @@ static ma_result ma_context_enumerate_devices__sdl2(ma_context* pContext, ma_enu
         ma_bool32 hasDefaultCaptureDevice;
         char* pDefaultCaptureDeviceName = NULL;
 
-        hasDefaultCaptureDevice = pContextStateSDL->SDL_GetDefaultAudioInfo(&pDefaultCaptureDeviceName, &defaultAudioSpec, 1) == 0;
+        if (pContextStateSDL->SDL_GetDefaultAudioInfo) {
+            hasDefaultCaptureDevice = pContextStateSDL->SDL_GetDefaultAudioInfo(&pDefaultCaptureDeviceName, &defaultAudioSpec, 1) == 0;
+        } else {
+            hasDefaultCaptureDevice = MA_FALSE;
+        }
 
         deviceCount = pContextStateSDL->SDL_GetNumAudioDevices(1);
         for (iDevice = 0; iDevice < deviceCount; iDevice += 1) {