SDL: pulseaudio: Request more recording data per-fragment.

SDL Commits
1 
From 14a4ae521acb784705e637854c368cceac80039a Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Sun, 1 Jun 2025 02:46:55 -0400
Subject: [PATCH] pulseaudio: Request more recording data per-fragment.

This seems to help some devices that can't keep up with smaller fragment sizes
for whatever reason.

Fixes #13110.
---
 src/audio/pulseaudio/SDL_pulseaudio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/audio/pulseaudio/SDL_pulseaudio.c b/src/audio/pulseaudio/SDL_pulseaudio.c
index 69e8c1a84c8b3..4d618a6e2bd61 100644
--- a/src/audio/pulseaudio/SDL_pulseaudio.c
+++ b/src/audio/pulseaudio/SDL_pulseaudio.c
@@ -672,7 +672,8 @@ static bool PULSEAUDIO_OpenDevice(SDL_AudioDevice *device)
     paspec.rate = device->spec.freq;
 
     // Reduced prebuffering compared to the defaults.
-    paattr.fragsize = device->buffer_size;   // despite the name, this is only used for recording devices, according to PulseAudio docs!
+
+    paattr.fragsize = device->buffer_size * 2;   // despite the name, this is only used for recording devices, according to PulseAudio docs!  (times 2 because we want _more_ than our buffer size sent from the server at a time, which helps some drivers).
     paattr.tlength = device->buffer_size;
     paattr.prebuf = -1;
     paattr.maxlength = -1;