In file included from vdpau_video.c:22: ./vdpau_video.h:277:12: warning: declaration of 'struct v4l2_format' will not be visible outside of this function [-Wvisibility] struct v4l2_format *v4l2_fmt, ^ ./vdpau_video.h:278:12: warning: declaration of 'struct v4l2_buffer' will not be visible outside of this function [-Wvisibility] struct v4l2_buffer *v4l2_buf, ^ vdpau_video.c:930:12: warning: declaration of 'struct v4l2_format' will not be visible outside of this function [-Wvisibility] struct v4l2_format *v4l2_fmt, ^ vdpau_video.c:931:12: warning: declaration of 'struct v4l2_buffer' will not be visible outside of this function [-Wvisibility] struct v4l2_buffer *v4l2_buf, ^ vdpau_video.c:927:1: error: conflicting types for 'vdpau_CreateSurfaceFromV4L2Buf' vdpau_CreateSurfaceFromV4L2Buf( ^ ./vdpau_video.h:274:1: note: previous declaration is here vdpau_CreateSurfaceFromV4L2Buf( ^ 4 warnings and 1 error generated. --- src/vdpau_video.h.orig 2012-10-05 15:02:58 UTC +++ src/vdpau_video.h @@ -21,6 +21,8 @@ #ifndef VDPAU_VIDEO_H #define VDPAU_VIDEO_H +#include + #include "vdpau_driver.h" #include "vdpau_decode.h"