SDL: Clamp the audio drain delay to 100 ms

SDL Commits
1 
From 08826230923dfb70e4558a41179ac0744e69fdb8 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sun, 2 Nov 2025 09:50:16 -0800
Subject: [PATCH] Clamp the audio drain delay to 100 ms

Fixes https://github.com/libsdl-org/SDL/issues/9829
---
 src/audio/SDL_audio.c           | 6 +++++-
 src/audio/alsa/SDL_alsa_audio.c | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 54da689a928eb..e084f24cfc758 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -1298,7 +1298,11 @@ void SDL_PlaybackAudioThreadShutdown(SDL_AudioDevice *device)
     const int frames = device->buffer_size / SDL_AUDIO_FRAMESIZE(device->spec);
     // Wait for the audio to drain if device didn't die.
     if (!SDL_GetAtomicInt(&device->zombie)) {
-        SDL_Delay(((frames * 1000) / device->spec.freq) * 2);
+        int delay = ((frames * 1000) / device->spec.freq) * 2;
+        if (delay > 100) {
+            delay = 100;
+        }
+        SDL_Delay(delay);
     }
     current_audio.impl.ThreadDeinit(device);
     SDL_AudioThreadFinalize(device);
diff --git a/src/audio/alsa/SDL_alsa_audio.c b/src/audio/alsa/SDL_alsa_audio.c
index 07b1b556f4f95..e292b3673fa6e 100644
--- a/src/audio/alsa/SDL_alsa_audio.c
+++ b/src/audio/alsa/SDL_alsa_audio.c
@@ -485,7 +485,11 @@ static void ALSA_CloseDevice(SDL_AudioDevice *device)
     if (device->hidden) {
         if (device->hidden->pcm) {
             // Wait for the submitted audio to drain. ALSA_snd_pcm_drop() can hang, so don't use that.
-            SDL_Delay(((device->sample_frames * 1000) / device->spec.freq) * 2);
+            int delay = ((device->sample_frames * 1000) / device->spec.freq) * 2;
+            if (delay > 100) {
+                delay = 100;
+            }
+            SDL_Delay(delay);
             ALSA_snd_pcm_close(device->hidden->pcm);
         }
         SDL_free(device->hidden->mixbuf);