Updated xcb to use new VOUT_DISPLAY_CHANGE_DISPLAY_SIZE parameter.

modules/video_output/xcb/x11.c

@@ -451,8 +451,10 @@ static int Control (vout_display_t *vd, int query, va_list ap)
     {
         const vout_display_cfg_t *p_cfg =
             (const vout_display_cfg_t*)va_arg (ap, const vout_display_cfg_t *);
+        const bool is_forced = (bool)va_arg (ap, int);
 
-        if (vout_window_SetSize (p_sys->embed,
+        if (is_forced
+         && vout_window_SetSize (p_sys->embed,
                                  p_cfg->display.width,
                                  p_cfg->display.height))
             return VLC_EGENERIC;

modules/video_output/xcb/xvideo.c

@@ -670,6 +670,7 @@ static int Control (vout_display_t *vd, int query, va_list ap)
     {
         const vout_display_cfg_t *cfg;
         const video_format_t *source;
+        bool is_forced;
 
         if (query == VOUT_DISPLAY_CHANGE_SOURCE_ASPECT
          || query == VOUT_DISPLAY_CHANGE_SOURCE_CROP)
@@ -681,10 +682,13 @@ static int Control (vout_display_t *vd, int query, va_list ap)
         {
             source = &vd->source;
             cfg = (const vout_display_cfg_t*)va_arg (ap, const vout_display_cfg_t *);
+            if (query == VOUT_DISPLAY_CHANGE_DISPLAY_SIZE)
+                is_forced = (bool)va_arg (ap, int);
         }
 
         /* */
         if (query == VOUT_DISPLAY_CHANGE_DISPLAY_SIZE
+         && is_forced
          && (cfg->display.width  != vd->cfg->display.width
            ||cfg->display.height != vd->cfg->display.height)
          && vout_window_SetSize (p_sys->embed,