1 files changed, 9 insertions, 1 deletions
diff --git a/rotord/src/libavwrapper.h b/rotord/src/libavwrapper.h
index 7f3d549..ed538d2 100644
--- a/rotord/src/libavwrapper.h
+++ b/rotord/src/libavwrapper.h
@@ -190,7 +190,15 @@ namespace libav {
 
     class exporter {
         public:
-            virtual ~exporter(){};
+            exporter(){
+                sws_ctx = NULL;
+            }
+            virtual ~exporter(){
+                if (NULL != sws_ctx) {
+                    sws_freeContext(sws_ctx);
+                    sws_ctx = NULL;
+                }
+            };
             bool setup(int w,int h, int bitRate, int frameRate, std::string container);
             bool record(std::string filename);
             bool encodeFrame(unsigned char *pixels, uint16_t *samples);