From 4370099fb0bc1bdd21f78b14a91a1d8eb76e1bc1 Mon Sep 17 00:00:00 2001
From: Joerg Mueller <nexyon@gmail.com>
Date: Sun, 7 Aug 2011 06:22:50 +0000
Subject: 3D Audio GSoC: Added a NULLHandle to prevent a crash in Python API
 when the device is the NULLDevice.

---
 intern/audaspace/intern/AUD_NULLDevice.cpp | 86 ++++++++++++++++++++++++++++--
 intern/audaspace/intern/AUD_NULLDevice.h   | 25 +++++++++
 2 files changed, 106 insertions(+), 5 deletions(-)

(limited to 'intern/audaspace')

diff --git a/intern/audaspace/intern/AUD_NULLDevice.cpp b/intern/audaspace/intern/AUD_NULLDevice.cpp
index 78a02d32cdd..dddb53fd00c 100644
--- a/intern/audaspace/intern/AUD_NULLDevice.cpp
+++ b/intern/audaspace/intern/AUD_NULLDevice.cpp
@@ -32,9 +32,85 @@
 #include <limits>
 
 #include "AUD_NULLDevice.h"
-#include "AUD_IReader.h"
-#include "AUD_IFactory.h"
-#include "AUD_IHandle.h"
+
+AUD_NULLDevice::AUD_NULLHandle::AUD_NULLHandle()
+{
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::pause()
+{
+	return false;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::resume()
+{
+	return false;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::stop()
+{
+	return false;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::getKeep()
+{
+	return false;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::setKeep(bool keep)
+{
+	return false;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::seek(float position)
+{
+	return false;
+}
+
+float AUD_NULLDevice::AUD_NULLHandle::getPosition()
+{
+	return 0.0f;
+}
+
+AUD_Status AUD_NULLDevice::AUD_NULLHandle::getStatus()
+{
+	return AUD_STATUS_INVALID;
+}
+
+float AUD_NULLDevice::AUD_NULLHandle::getVolume()
+{
+	return 0.0f;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::setVolume(float volume)
+{
+	return false;
+}
+
+float AUD_NULLDevice::AUD_NULLHandle::getPitch()
+{
+	return 0.0f;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::setPitch(float pitch)
+{
+	return false;
+}
+
+int AUD_NULLDevice::AUD_NULLHandle::getLoopCount()
+{
+	return 0;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::setLoopCount(int count)
+{
+	return false;
+}
+
+bool AUD_NULLDevice::AUD_NULLHandle::setStopCallback(stopCallback callback, void* data)
+{
+	return false;
+}
 
 AUD_NULLDevice::AUD_NULLDevice()
 {
@@ -55,12 +131,12 @@ AUD_DeviceSpecs AUD_NULLDevice::getSpecs() const
 
 AUD_Reference<AUD_IHandle> AUD_NULLDevice::play(AUD_Reference<AUD_IReader> reader, bool keep)
 {
-	return AUD_Reference<AUD_IHandle>();
+	return new AUD_NULLHandle();
 }
 
 AUD_Reference<AUD_IHandle> AUD_NULLDevice::play(AUD_Reference<AUD_IFactory> factory, bool keep)
 {
-	return AUD_Reference<AUD_IHandle>();
+	return new AUD_NULLHandle();
 }
 
 void AUD_NULLDevice::lock()
diff --git a/intern/audaspace/intern/AUD_NULLDevice.h b/intern/audaspace/intern/AUD_NULLDevice.h
index 04458575f1c..59ef200f934 100644
--- a/intern/audaspace/intern/AUD_NULLDevice.h
+++ b/intern/audaspace/intern/AUD_NULLDevice.h
@@ -34,12 +34,37 @@
 
 #include "AUD_IReader.h"
 #include "AUD_IDevice.h"
+#include "AUD_IHandle.h"
 
 /**
  * This device plays nothing.
  */
 class AUD_NULLDevice : public AUD_IDevice
 {
+private:
+	class AUD_NULLHandle : public AUD_IHandle
+	{
+	public:
+
+		AUD_NULLHandle();
+
+		virtual ~AUD_NULLHandle() {}
+		virtual bool pause();
+		virtual bool resume();
+		virtual bool stop();
+		virtual bool getKeep();
+		virtual bool setKeep(bool keep);
+		virtual bool seek(float position);
+		virtual float getPosition();
+		virtual AUD_Status getStatus();
+		virtual float getVolume();
+		virtual bool setVolume(float volume);
+		virtual float getPitch();
+		virtual bool setPitch(float pitch);
+		virtual int getLoopCount();
+		virtual bool setLoopCount(int count);
+		virtual bool setStopCallback(stopCallback callback = 0, void* data = 0);
+	};
 public:
 	/**
 	 * Creates a new NULL device.
-- 
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