diff --git a/impl/VideoDecoder.h b/impl/VideoDecoder.h
index ab75b1f..55ca0a3 100644
--- a/impl/VideoDecoder.h
+++ b/impl/VideoDecoder.h
@@ -10,6 +10,8 @@ extern "C"
 #include <libavutil/timestamp.h>
 #include <libavformat/avformat.h>
 #include <libswscale/swscale.h>
+#include<libavcodec/avcodec.h>
+#include<libswresample/swresample.h>
 }
 
 #include <QContiguousCache>