From 1dcd036b9efcbafdae476502571cae97f69aeb9a Mon Sep 17 00:00:00 2001
From: hrydgard <hrydgard@gmail.com>
Date: Tue, 20 Jan 2009 18:42:01 +0000
Subject: [PATCH] Stop the audio mixing when stepping in the debugger.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1960 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 Source/Core/Core/Src/Core.cpp                    | 1 +
 Source/PluginSpecs/pluginspecs_dsp.h             | 3 ++-
 Source/Plugins/Plugin_DSP_HLE/Src/PCHW/Mixer.cpp | 5 +++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Source/Core/Core/Src/Core.cpp b/Source/Core/Core/Src/Core.cpp
index 6bfcc91249..f52082f1cb 100644
--- a/Source/Core/Core/Src/Core.cpp
+++ b/Source/Core/Core/Src/Core.cpp
@@ -330,6 +330,7 @@ THREAD_RETURN EmuThread(void *pArg)
 	dspInit.pDebuggerBreak = Callback_DebuggerBreak;
 	dspInit.pGenerateDSPInterrupt = Callback_DSPInterrupt;
 	dspInit.pGetAudioStreaming = AudioInterface::Callback_GetStreaming;
+	dspInit.pEmulatorState = (int *)&PowerPC::state;
 	Plugins.GetDSP()->Initialize((void *)&dspInit);
 
 	// Load and Init PadPlugin
diff --git a/Source/PluginSpecs/pluginspecs_dsp.h b/Source/PluginSpecs/pluginspecs_dsp.h
index 6fb9e6a023..35f4d42101 100644
--- a/Source/PluginSpecs/pluginspecs_dsp.h
+++ b/Source/PluginSpecs/pluginspecs_dsp.h
@@ -19,7 +19,7 @@ typedef unsigned int    (*TAudioGetStreaming)(short* _pDestBuffer, unsigned int
 
 typedef struct
 {
-	void* hWnd;
+	void                   *hWnd;
 	TARAM_Read_U8			pARAM_Read_U8;
 	TGetMemoryPointer		pGetMemoryPointer;
 	TGetARAMPointer			pGetARAMPointer;
@@ -28,6 +28,7 @@ typedef struct
 	TDebuggerBreak			pDebuggerBreak;
 	TGenerateDSPInt			pGenerateDSPInterrupt;
 	TAudioGetStreaming		pGetAudioStreaming;
+	int                    *pEmulatorState;
 } DSPInitialize;
 
 
diff --git a/Source/Plugins/Plugin_DSP_HLE/Src/PCHW/Mixer.cpp b/Source/Plugins/Plugin_DSP_HLE/Src/PCHW/Mixer.cpp
index 803ae90d30..c59228e64e 100644
--- a/Source/Plugins/Plugin_DSP_HLE/Src/PCHW/Mixer.cpp
+++ b/Source/Plugins/Plugin_DSP_HLE/Src/PCHW/Mixer.cpp
@@ -58,6 +58,11 @@ void Mixer(short *buffer, int numSamples, int bits, int rate, int channels)
 	// silence
 	memset(buffer, 0, numSamples * 2 * sizeof(short));
 
+	if (g_dspInitialize.pEmulatorState) {
+		if (*g_dspInitialize.pEmulatorState != 0)
+			return;
+	}
+
 	// first get the DTK Music
 	if (g_Config.m_EnableDTKMusic)
 	{