vlc_vout_display: Should use unsigned for height and width.

include/vlc_vout_display.h

@@ -72,13 +72,13 @@ typedef struct {
         const char *title;
 
         /* Display size */
-        int  width;
-        int  height;
+        unsigned  width;
+        unsigned  height;
 
         /* Display SAR */
         struct {
-            int num;
-            int den;
+            unsigned num;
+            unsigned den;
         } sar;
     } display;
 
@@ -378,7 +378,7 @@ static inline void vout_display_DeleteWindow(vout_display_t *vd,
  *
  * This asssumes that the picture is already cropped.
  */
-VLC_EXPORT( void, vout_display_GetDefaultDisplaySize, (int *width, int *height, const video_format_t *source, const vout_display_cfg_t *) );
+VLC_EXPORT( void, vout_display_GetDefaultDisplaySize, (unsigned *width, unsigned *height, const video_format_t *source, const vout_display_cfg_t *) );
 
 
 /**

src/video_output/display.c

@@ -165,7 +165,7 @@ static void vout_display_Manage(vout_display_t *vd)
 }
 
 /* */
-void vout_display_GetDefaultDisplaySize(int *width, int *height,
+void vout_display_GetDefaultDisplaySize(unsigned *width, unsigned *height,
                                         const video_format_t *source,
                                         const vout_display_cfg_t *cfg)
 {
@@ -204,10 +204,10 @@ void vout_display_PlacePicture(vout_display_place_t *place,
         return;
 
     /* */
-    int width;
-    int height;
-    int display_width;
-    int display_height;
+    unsigned width;
+    unsigned height;
+    unsigned display_width;
+    unsigned display_height;
 
     if (cfg->is_display_filled) {
         width  = source->i_visible_width;