String review. Again.

[vlc] / modules / access / screen / screen.c

diff --git a/modules/access/screen/screen.c b/modules/access/screen/screen.c
index e86eac52d845ca4ec7e8fbb4a5f13bf75be3ba77..6f92341657e05a0b5ac8a1a72a593b7201b2c198 100644 (file)
--- a/modules/access/screen/screen.c
+++ b/modules/access/screen/screen.c
@@ -29,7 +29,8 @@
 # include "config.h"
 #endif
 
-#include <vlc/vlc.h>
+#include <vlc_common.h>
+#include <vlc_plugin.h>
 #include "screen.h"
 
 /*****************************************************************************
@@ -50,6 +51,28 @@
     "of predefined height (16 might be a good value, and 0 means disabled)." )
 #endif
 
+#ifdef SCREEN_SUBSCREEN
+#define TOP_TEXT N_( "Subscreen top left corner" )
+#define TOP_LONGTEXT N_( \
+    "Top coordinate of the subscreen top left corner." )
+
+#define LEFT_TEXT N_( "Subscreen top left corner" )
+#define LEFT_LONGTEXT N_( \
+    "Left coordinate of the subscreen top left corner." )
+
+#define WIDTH_TEXT N_( "Subscreen width" )
+#define WIDTH_LONGTEXT N_( \
+    "Subscreen width" )
+
+#define HEIGHT_TEXT N_( "Subscreen height" )
+#define HEIGHT_LONGTEXT N_( \
+    "Subscreen height"  )
+
+#define FOLLOW_MOUSE_TEXT N_( "Follow the mouse" )
+#define FOLLOW_MOUSE_LONGTEXT N_( \
+    "Follow the mouse when capturing a subscreen." )
+#endif
+
 static int  Open ( vlc_object_t * );
 static void Close( vlc_object_t * );
 
@@ -60,8 +83,8 @@ static void Close( vlc_object_t * );
 #endif
 
 vlc_module_begin();
-    set_description( _("Screen Input") );
-    set_shortname( _("Screen" ));
+    set_description( N_("Screen Input") );
+    set_shortname( N_("Screen" ));
     set_category( CAT_INPUT );
     set_subcategory( SUBCAT_INPUT_ACCESS );
 
@@ -69,6 +92,15 @@ vlc_module_begin();
         CACHING_TEXT, CACHING_LONGTEXT, true );
     add_float( "screen-fps", SCREEN_FPS, 0, FPS_TEXT, FPS_LONGTEXT, true );
 
+#ifdef SCREEN_SUBSCREEN
+    add_integer( "screen-top", 0, NULL, TOP_TEXT, TOP_LONGTEXT, true );
+    add_integer( "screen-left", 0, NULL, LEFT_TEXT, LEFT_LONGTEXT, true );
+    add_integer( "screen-width", 0, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, true );
+    add_integer( "screen-height", 0, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT, true );
+    add_bool( "screen-follow-mouse", false, NULL, FOLLOW_MOUSE_TEXT,
+              FOLLOW_MOUSE_LONGTEXT, true );
+#endif
+
 #ifdef WIN32
     add_integer( "screen-fragment-size", 0, NULL, FRAGS_TEXT,
         FRAGS_LONGTEXT, true );
@@ -109,6 +141,20 @@ static int Open( vlc_object_t *p_this )
     p_sys->i_incr = 1000000 / val.f_float;
     p_sys->i_next_date = 0;
 
+#ifdef SCREEN_SUBSCREEN
+    p_sys->i_top = var_CreateGetInteger( p_demux, "screen-top" );
+    p_sys->i_left = var_CreateGetInteger( p_demux, "screen-left" );
+    p_sys->i_width = var_CreateGetInteger( p_demux, "screen-width" );
+    p_sys->i_height = var_CreateGetInteger( p_demux, "screen-height" );
+    if( p_sys->i_width > 0 && p_sys->i_height > 0 )
+        msg_Dbg( p_demux, "capturing subscreen top: %d, left: %d, "
+                          "width: %d, height: %d",
+                          p_sys->i_top,
+                          p_sys->i_left,
+                          p_sys->i_width,
+                          p_sys->i_height );
+#endif
+
     if( screen_InitCapture( p_demux ) != VLC_SUCCESS )
     {
         free( p_sys );
@@ -119,6 +165,30 @@ static int Open( vlc_object_t *p_this )
              p_sys->fmt.video.i_width, p_sys->fmt.video.i_height,
              p_sys->fmt.video.i_bits_per_pixel );
 
+#ifdef SCREEN_SUBSCREEN
+    if( p_sys->i_width > 0 && p_sys->i_height > 0 )
+    {
+        if( p_sys->i_left + p_sys->i_width > p_sys->fmt.video.i_width ||
+            p_sys->i_top + p_sys->i_height > p_sys->fmt.video.i_height )
+        {
+            msg_Err( p_demux, "subscreen region overflows the screen" );
+            free( p_sys );
+            return VLC_EGENERIC;
+        }
+        else
+        {
+            p_sys->i_screen_width = p_sys->fmt.video.i_width;
+            p_sys->i_screen_height = p_sys->fmt.video.i_height;
+            p_sys->fmt.video.i_width = p_sys->i_width;
+            p_sys->fmt.video.i_height = p_sys->i_height;
+            p_sys->b_follow_mouse = var_CreateGetInteger( p_demux,
+                                                "screen-follow-mouse" );
+            if( p_sys->b_follow_mouse )
+                msg_Dbg( p_demux, "mouse following enabled" );
+        }
+    }
+#endif
+
     p_sys->es = es_out_Add( p_demux->out, &p_sys->fmt );
 
     return VLC_SUCCESS;