From 4e4e7a3971a7001ef99ce96e51d1005d754729ed Mon Sep 17 00:00:00 2001
From: pagefault <>
Date: Mon, 19 May 2003 01:43:18 +0000
Subject: [PATCH] Fixes audio problems on broken drivers (Diablo-D3)

---
 zsnes/src/linux/sdllink.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/zsnes/src/linux/sdllink.c b/zsnes/src/linux/sdllink.c
index ac26bb1f..f8c8fc88 100644
--- a/zsnes/src/linux/sdllink.c
+++ b/zsnes/src/linux/sdllink.c
@@ -507,7 +507,7 @@ void ProcessKeyBuf(int scancode)
 int InitSound(void)
 {
 	SDL_AudioSpec wanted;
-	const int samptab[7] = { 1, 1, 2, 4, 2, 4, 4 };
+
 	const int freqtab[7] = { 8000, 11025, 22050, 44100, 16000, 32000, 48000 };
 
 	SDL_CloseAudio();
@@ -538,7 +538,16 @@ int InitSound(void)
 		wanted.channels = 1;
 	}
 
-	wanted.samples = samptab[SoundQuality] * 128 * wanted.channels;
+	wanted.samples = (freqtab[SoundQuality] * wanted.channels)/32;
+
+	//printf("InitSound: %dhz, requesting %d sized buffer, " , freqtab[SoundQuality], wanted.samples);
+	
+	if (wanted.samples < 256) { wanted.samples = 256; } 
+	else if(wanted.samples < 512) { wanted.samples = 512; }
+	else if(wanted.samples < 1024) { wanted.samples = 1024; }
+	else { wanted.samples = 2048; } // never exceed this.
+
+	//printf("getting %d.\n",wanted.samples);
 	wanted.format = AUDIO_S16LSB;
 	wanted.userdata = NULL;
 	wanted.callback = UpdateSound;
@@ -553,9 +562,9 @@ int InitSound(void)
 	}
 	SDL_PauseAudio(0);
 
-	Buffer_len = (audiospec.size * 2);
-	Buffer_len = (Buffer_len + 255) & ~255; /* Align to SPCSize */
-	Buffer = malloc(Buffer_len);
+	Buffer_len = (audiospec.size * 3);
+	Buffer_len = (Buffer_len + 255) & ~255; /* Align to SPCSize */;
+	Buffer = malloc(Buffer_len+1);
 
 	return TRUE;
 }