Cleanup and documentation.

svn-id: r50589

2 files changed, 11 insertions, 7 deletions

diff --git a/backends/audiocd/sdl/sdl-audiocd.cpp b/backends/audiocd/sdl/sdl-audiocd.cpp
index 7668bb80f5..d032df7eac 100644
--- a/backends/audiocd/sdl/sdl-audiocd.cpp
+++ b/backends/audiocd/sdl/sdl-audiocd.cpp
@@ -64,7 +64,8 @@ bool SdlAudioCDManager::openCD(int drive) {
 	return (_cdrom != NULL);
 }
 
-void SdlAudioCDManager::stopCD() {	/* Stop CD Audio in 1/10th of a second */
+void SdlAudioCDManager::stopCD() {
+	// Stop CD Audio in 1/10th of a second
 	_cdStopTime = SDL_GetTicks() + 100;
 	_cdNumLoops = 0;
 }
diff --git a/backends/audiocd/sdl/sdl-audiocd.h b/backends/audiocd/sdl/sdl-audiocd.h
index ed3d777c57..cb88d31a56 100644
--- a/backends/audiocd/sdl/sdl-audiocd.h
+++ b/backends/audiocd/sdl/sdl-audiocd.h
@@ -34,17 +34,20 @@
 #include <SDL.h>
 #endif
 
+/**
+* The SDL audio cd manager. Implements real audio cd playback.
+*/
 class SdlAudioCDManager : public DefaultAudioCDManager {
 public:
 	SdlAudioCDManager();
-	~SdlAudioCDManager();
+	virtual ~SdlAudioCDManager();
 
 protected:
-	bool openCD(int drive);
-	void updateCD();
-	bool pollCD() const;
-	void playCD(int track, int num_loops, int start_frame, int duration);
-	void stopCD();
+	virtual bool openCD(int drive);
+	virtual void updateCD();
+	virtual bool pollCD() const;
+	virtual void playCD(int track, int num_loops, int start_frame, int duration);
+	virtual void stopCD();
 
 	SDL_CD *_cdrom;
 	int _cdTrack, _cdNumLoops, _cdStartFrame, _cdDuration;