From dc76bcfbbac43eef40e3d2651536360b8f91e7eb Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Sun, 6 Jun 2004 04:33:25 +0000
Subject: [PATCH] track Mix() call count for previous IOproc and last few Mix()
 durations

---
 .../src/arch/Sound/RageSoundDriver_CA.cpp     | 24 +++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/stepmania/src/arch/Sound/RageSoundDriver_CA.cpp b/stepmania/src/arch/Sound/RageSoundDriver_CA.cpp
index c8aab195a4..25df3ad408 100644
--- a/stepmania/src/arch/Sound/RageSoundDriver_CA.cpp
+++ b/stepmania/src/arch/Sound/RageSoundDriver_CA.cpp
@@ -19,7 +19,11 @@ static AudioConverter *gConverter;
 
 /* temporary hack: */
 static float g_fLastIOProcTime = 0;
+static const int NUM_MIX_TIMES = 16;
+static float g_fLastMixTimes[NUM_MIX_TIMES];
+static int g_fLastMixTimePos = 0;
 static int g_iNumIOProcCalls = 0;
+static int g_iNumMixCallsForLastIOProc = 0;
 
 static CString FormatToString( int fmt )
 {
@@ -241,7 +245,15 @@ int64_t RageSound_CA::GetPosition(const RageSoundBase *sound) const
 
 void RageSound_CA::FillConverter( void *data, UInt32 frames )
 {
+	RageTimer tm;
+
 	this->Mix( (int16_t *)data, frames, mDecodePos, int64_t(mNow->mSampleTime) );
+
+	g_fLastMixTimes[g_fLastMixTimePos] = tm.GetDeltaTime();
+	++g_fLastMixTimePos;
+	wrap( g_fLastMixTimePos, NUM_MIX_TIMES );
+
+	++g_iNumMixCallsForLastIOProc;
 }
 
 OSStatus RageSound_CA::GetData(AudioDeviceID inDevice,
@@ -253,6 +265,7 @@ OSStatus RageSound_CA::GetData(AudioDeviceID inDevice,
 							   void *inClientData)
 {
 	RageTimer tm;
+	g_iNumMixCallsForLastIOProc = 0;
 
 	RageSound_CA *This = (RageSound_CA *)inClientData;
 	UInt32 dataPackets = outOutputData->mBuffers[0].mDataByteSize;
@@ -275,8 +288,15 @@ OSStatus RageSound_CA::OverloadListener(AudioDeviceID inDevice,
 										AudioDevicePropertyID inPropertyID,
 										void *inData)
 {
-	LOG->Warn( "Audio overload.  Last IOProc time: %f IOProc calls: %i",
-			   g_fLastIOProcTime, g_iNumIOProcCalls );
+	CString Output;
+	for( int i = 0; i < NUM_MIX_TIMES; ++i )
+	{
+		int pos = (g_fLastMixTimePos+i) % NUM_MIX_TIMES;
+		Output += ssprintf( "%.4f ", g_fLastMixTimes[pos] );
+	}
+
+	LOG->Warn( "Audio overload.  Last IOProc time: %f IOProc calls: %i (%s) %i",
+			   g_fLastIOProcTime, g_iNumIOProcCalls, Output.c_str(), g_iNumMixCallsForLastIOProc );
 	g_iNumIOProcCalls = 0;
 	return noErr;
 }