Update cmake to cope with opencv comp and remove unused include in ffmepg

cmake/Install.cmake

@@ -50,6 +50,10 @@ IF( UNIX )
   ELSE()
     LIST(APPEND CPACK_DEBIAN_PACKAGE_DEPENDS "libqt5core5a, libqt5gui5, libqt5widgets5")
   ENDIF()
+  IF( USE_OPENCV )
+    LIST(APPEND CPACK_DEBIAN_PACKAGE_DEPENDS ",")
+    LIST(APPEND CPACK_DEBIAN_PACKAGE_DEPENDS "libopencv-dev")
+  ENDIF()
   IF( USE_FFMPEG )
     LIST(APPEND CPACK_DEBIAN_PACKAGE_DEPENDS ",")
     LIST(APPEND CPACK_DEBIAN_PACKAGE_DEPENDS "libavformat53 (>= 6:0.8.10~), libcodec53 (>= 6:0.8.3-1~), libavutil51 (>= 6:0.8.3-1~)")

source/lib/ffmpeg/LibAvContextHandle.h

@@ -40,7 +40,7 @@ extern "C"
 #include <libavutil/avutil.h>
 #include <libavutil/imgutils.h>
 #include <libavutil/samplefmt.h>
-#include <libavutil/timestamp.h>
+//#include <libavutil/timestamp.h>
 #include <libavformat/avformat.h>
 }