BACKENDS: Add a closeCD() function to the AudioCDManager

backends/audiocd/audiocd.h

@@ -113,6 +113,11 @@ public:
 	 */
 	virtual bool openCD() = 0;
 
+	/**
+	 * Close the currently open CD drive
+	 */
+	virtual void closeCD() = 0;
+
 	/**
 	 * Poll CD status.
 	 * @return true if CD audio is playing

backends/audiocd/default/default-audiocd.h

@@ -43,6 +43,7 @@ public:
 	virtual Status getStatus() const; // Subclasses should override for better status results
 
 	bool openCD();
+	virtual void closeCD() {}
 
 	/**
 	 * Open a CD using the specified drive index

backends/audiocd/sdl/sdl-audiocd.cpp

@@ -43,10 +43,7 @@ SdlAudioCDManager::SdlAudioCDManager()
 }
 
 SdlAudioCDManager::~SdlAudioCDManager() {
-	if (_cdrom) {
-		SDL_CDStop(_cdrom);
-		SDL_CDClose(_cdrom);
-	}
+	closeCD();
 }
 
 bool SdlAudioCDManager::openCD(int drive) {
@@ -67,6 +64,14 @@ bool SdlAudioCDManager::openCD(int drive) {
 	return (_cdrom != NULL);
 }
 
+void SdlAudioCDManager::closeCD() {
+	if (_cdrom) {
+                SDL_CDStop(_cdrom);
+                SDL_CDClose(_cdrom);
+		_cdrom = 0;
+        }
+}
+
 void SdlAudioCDManager::stopCD() {
 	// Stop CD Audio in 1/10th of a second
 	_cdStopTime = SDL_GetTicks() + 100;

backends/audiocd/sdl/sdl-audiocd.h

@@ -39,6 +39,7 @@ public:
 
 protected:
 	virtual bool openCD(int drive);
+	virtual void closeCD();
 	virtual void updateCD();
 	virtual bool pollCD() const;
 	virtual void playCD(int track, int num_loops, int start_frame, int duration);

backends/platform/dc/dc.h

@@ -60,6 +60,9 @@ class DCCDManager : public DefaultAudioCDManager {
   // Initialize the specified CD drive for audio playback.
   bool openCD();
 
+	// Close the open CD drive
+	void closeCD() {}
+
   // Poll cdrom status
   // Returns true if cd audio is playing
   bool pollCD();

backends/platform/ds/arm9/source/osystem_ds.h

@@ -131,6 +131,7 @@ public:
 	// and should be replaced by an AudioCDManager subclass,
 	// see backends/audiocd/ and common/system.h
 	virtual bool openCD();
+	virtual void closeCD() {}
 	virtual bool pollCD();
 	virtual void playCD(int track, int num_loops, int start_frame, int duration);
 	virtual void stopCD();