simplified mutex locking idiom by introducing Mutex class (wrapper around SDL_mutex)

 * can be instantiated
 * can derive from class Mutex to inherit the lock()/unlock() methods

also fixed LayerList destructor

1 files changed, 2 insertions, 16 deletions

diff --git a/src/recorder.h b/src/recorder.h
index b2ee5e6..591312e 100644
--- a/src/recorder.h
+++ b/src/recorder.h
@@ -2,29 +2,15 @@
 #define __RECORDER_H
 
 #include <SDL.h>
-#include <SDL_thread.h>
 #include <SDL/SDL_ffmpeg.h>
 
 #include "osc_graphics.h"
 
-class Recorder {
+class Recorder : Mutex {
 	SDL_ffmpegFile *file;
 
-	SDL_mutex *mutex;
-
-	inline void
-	lock()
-	{
-		SDL_LockMutex(mutex);
-	}
-	inline void
-	unlock()
-	{
-		SDL_UnlockMutex(mutex);
-	}
-
 public:
-	Recorder() : file(NULL), mutex(SDL_CreateMutex()) {}
+	Recorder() : Mutex(), file(NULL) {}
 	~Recorder();
 
 	void register_methods();