Use --x11-display whenever calling XOpenDisplay (except Qt4 this far)
[vlc.git] / modules / access / screen / x11.c
index 6febe21..177f382 100644 (file)
@@ -1,10 +1,11 @@
 /*****************************************************************************
  * x11.c: Screen capture module.
  *****************************************************************************
- * Copyright (C) 2004 the VideoLAN team
+ * Copyright (C) 2004-2008 the VideoLAN team
  * $Id$
  *
  * Authors: Gildas Bazin <gbazin@videolan.org>
+ *          Antoine Cellerier <dionoea at videolan dot org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include <stdlib.h>
 
-#include <vlc/vlc.h>
-#include <vlc/input.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
 
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
@@ -38,11 +41,13 @@ int screen_InitCapture( demux_t *p_demux )
 {
     demux_sys_t *p_sys = p_demux->p_sys;
     Display *p_display;
+    char *psz_display = var_CreateGetNonEmptyString( p_demux, "x11-display" );
     XWindowAttributes win_info;
     int i_chroma;
 
     /* Open the display */
-    p_display = XOpenDisplay( NULL );
+    p_display = XOpenDisplay( psz_display );
+    free( psz_display );
     if( !p_display )
     {
         msg_Err( p_demux, "cannot open display" );
@@ -80,9 +85,12 @@ int screen_InitCapture( demux_t *p_demux )
     }
 
     es_format_Init( &p_sys->fmt, VIDEO_ES, i_chroma );
+    p_sys->fmt.video.i_visible_width =
     p_sys->fmt.video.i_width  = win_info.width;
+    p_sys->fmt.video.i_visible_height =
     p_sys->fmt.video.i_height = win_info.height;
     p_sys->fmt.video.i_bits_per_pixel = win_info.depth;
+    p_sys->fmt.video.i_chroma = i_chroma;
 
 #if 0
     win_info.visual->red_mask;
@@ -100,6 +108,12 @@ int screen_CloseCapture( demux_t *p_demux )
     Display *p_display = (Display *)p_sys->p_data;
 
     XCloseDisplay( p_display );
+    if( p_sys->p_blend )
+    {
+        module_unneed( p_sys->p_blend, p_sys->p_blend->p_module );
+        vlc_object_detach( p_sys->p_blend );
+        vlc_object_release( p_sys->p_blend );
+    }
     return VLC_SUCCESS;
 }
 
@@ -110,9 +124,27 @@ block_t *screen_Capture( demux_t *p_demux )
     block_t *p_block;
     XImage *image;
     int i_size;
+    int root_x = 0, root_y = 0;
+
+    if( p_sys->b_follow_mouse || p_sys->p_mouse )
+    {
+        Window root = DefaultRootWindow( p_display ), child;
+        int win_x, win_y;
+        unsigned int mask;
+        if( XQueryPointer( p_display, root,
+            &root, &child, &root_x, &root_y, &win_x, &win_y,
+            &mask ) )
+        {
+            if( p_sys->b_follow_mouse )
+                FollowMouse( p_sys, root_x, root_y );
+        }
+        else
+            msg_Dbg( p_demux, "XQueryPointer() failed" );
+
+    }
 
     image = XGetImage( p_display, DefaultRootWindow( p_display ),
-                       0, 0, p_sys->fmt.video.i_width,
+                       p_sys->i_left, p_sys->i_top, p_sys->fmt.video.i_width,
                        p_sys->fmt.video.i_height, AllPlanes, ZPixmap );
 
     if( !image )
@@ -130,7 +162,11 @@ block_t *screen_Capture( demux_t *p_demux )
         return 0;
     }
 
-    memcpy( p_block->p_buffer, image->data, i_size );
+    vlc_memcpy( p_block->p_buffer, image->data, i_size );
+
+    if( p_sys->p_mouse )
+        RenderCursor( p_demux, root_x, root_y,
+                      p_block->p_buffer );
 
     XDestroyImage( image );