exceptions (untested)

stepmania/src/arch/Sound/RageSoundDriver_CA.cpp

@@ -50,17 +50,21 @@ static CString FormatToString( int fmt )
 }
 
 RageSound_CA::RageSound_CA()
+{
+	mOutputDevice = NULL;
+	mConverter = NULL;
+}
+
+CString RageSound_OSS::Init()
 {
 	try
 	{
-		AudioDeviceID dID;
+		AudioDeviceID dID = CAAudioHardwareSystem::GetDefaultDevice( false, false );
-	
-		dID = CAAudioHardwareSystem::GetDefaultDevice(false, false);
 		mOutputDevice = new CAAudioHardwareDevice(dID);
 	}
 	catch (const CAException& e)
 	{
-		RageException::ThrowNonfatal("Couldn't create default output device.");
+		return "Couldn't create default output device.";
 	}
     
 	try
@@ -69,19 +73,15 @@ RageSound_CA::RageSound_CA()
 	}
 	catch (const CAException& e)
 	{
-		RageException::ThrowNonfatal("Couldn't set the nominal sample rate.");
+		return "Couldn't set the nominal sample rate.";
 	}
-	AudioStreamID sID;
+	AudioStreamID sID = mOutputDevice->GetStreamByIndex( kAudioDeviceSectionOutput, 0 );
-
-	sID = mOutputDevice->GetStreamByIndex( kAudioDeviceSectionOutput, 0 );
 	CAAudioHardwareStream stream( sID );
 
 	try
 	{
 		mOutputDevice->AddPropertyListener(kAudioPropertyWildcardChannel,
-										   kAudioPropertyWildcardSection,
+				   kAudioPropertyWildcardSection, kAudioDeviceProcessorOverload, OverloadListener, this);
-										   kAudioDeviceProcessorOverload,
-										   OverloadListener, this);
 	}
 	catch (const CAException& e)
 	{
@@ -97,10 +97,7 @@ RageSound_CA::RageSound_CA()
 	stream.SetCurrentIOProcFormat(CanonicalFormat);
 	
 	if (AudioConverterNew(&SMFormat, &CanonicalFormat, &mConverter))
-	{
+		return "Couldn't create the audio converter";
-		delete mOutputDevice;
-		RageException::ThrowNonfatal("Couldn't create the audio converter");
-	}
 	
 	try
 	{
@@ -131,9 +128,7 @@ RageSound_CA::RageSound_CA()
 	}
 	catch (const CAException& e)
 	{
-		delete mOutputDevice;
+		return "Couldn't get latency.";
-		AudioConverterDispose(mConverter);
-		RageException::ThrowNonfatal("Couldn't get Latency.");
 	}
 
 	StartDecodeThread();
@@ -145,17 +140,18 @@ RageSound_CA::RageSound_CA()
 	}
 	catch(const CAException& e)
 	{
-		delete mOutputDevice;
+		return "Couldn't start the IOProc.";
-		AudioConverterDispose(mConverter);
-		RageException::Throw("Couldn't start the IOProc.");
 	}
 }
 
 RageSound_CA::~RageSound_CA()
 {
-	mOutputDevice->StopIOProc(GetData);
+	if( mOutputDevice != NULL )
+		mOutputDevice->StopIOProc( GetData );
 	delete mOutputDevice;
-	AudioConverterDispose(mConverter);
+
+	if( mConverter != NULL )
+		AudioConverterDispose( mConverter );
 }
 
 int64_t RageSound_CA::GetPosition(const RageSoundBase *sound) const

stepmania/src/arch/Sound/RageSoundDriver_CA.h

@@ -39,6 +39,7 @@ private:
                               
 public:
     RageSound_CA();
+    CString Init();
     ~RageSound_CA();
     float GetPlayLatency() const { return mLatency; }
     int64_t GetPosition(const RageSoundBase *sound) const;

stepmania/src/arch/Sound/RageSoundDriver_QT1.cpp

@@ -32,6 +32,13 @@ namespace
 }
 
 RageSound_QT1::RageSound_QT1()
+{
+	channel = NULL;
+	buffer[0] = NULL;
+	buffer[1] = NULL;
+}
+
+CString RageSound_QT1::Init()
 {
     SndCallBackUPP callback;
     callback = NewSndCallBackUPP(GetData);
@@ -59,11 +66,7 @@ RageSound_QT1::RageSound_QT1()
     OSErr err = SndNewChannel(&channel, sampledSynth, initStereo, callback);
 
     if (err != noErr)
-    {
+        return "Unable to create audio channel";
-        delete channel;
-        channel = NULL;
-        RageException::ThrowNonfatal("Unable to create audio channel");
-    }
 
     SndCommand cmd;
     cmd.cmd = clockComponentCmd;
@@ -87,7 +90,7 @@ RageSound_QT1::RageSound_QT1()
     err |= SndDoCommand(channel, &cmd, false);
 
     if (err != noErr)
-        RageException::ThrowNonfatal("Unable to create audio channel");
+        return "Unable to create audio channel";
 }
     
 RageSound_QT1::~RageSound_QT1()

stepmania/src/arch/Sound/RageSoundDriver_QT1.h

@@ -33,6 +33,7 @@ protected:
 
 public:
     RageSound_QT1();
+    CString Init();
     virtual ~RageSound_QT1();
     static void GetData(QT::SndChannel *chan, QT::SndCommand *cmd_passed);
 };