X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fvideo_filter%2Fantiflicker.c;h=44b9661cefc8b1deada2bd5a79c41aaeb64fde11;hb=e5d6c04c14ccbd152458f6611e176dbb3945a956;hp=909a9cbf5feca64e0fee484000783c264b7641ca;hpb=0a4005ce30ea4d705cc3013fb672f8d03746f93a;p=vlc

diff --git a/modules/video_filter/antiflicker.c b/modules/video_filter/antiflicker.c
old mode 100755
new mode 100644
index 909a9cbf5f..44b9661cef
--- a/modules/video_filter/antiflicker.c
+++ b/modules/video_filter/antiflicker.c
@@ -1,24 +1,24 @@
 /*****************************************************************************
  * antiflicker.c : antiflicker video effect plugin for vlc
  *****************************************************************************
- * Copyright (C) 2000-2011 the VideoLAN team
+ * Copyright (C) 2000-2011 VLC authors and VideoLAN
  * $Id:
  *
  * Authors: Dharani Prabhu <dharani.prabhu.s@gmail.com>
  *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
 /*****************************************************************************
@@ -32,6 +32,7 @@
 #include <vlc_common.h>
 #include <vlc_plugin.h>
 #include <vlc_filter.h>
+#include <vlc_atomic.h>
 #include "filter_picture.h"
 
 /*****************************************************************************
@@ -86,10 +87,9 @@ vlc_module_end ()
  *****************************************************************************/
 struct filter_sys_t
 {
+    atomic_int i_window_size;
+    atomic_int i_softening;
     int ia_luminance_data[MAX_WINDOW_SZ];
-    vlc_mutex_t lock;
-    int i_window_size;
-    int i_softening;
     uint8_t *p_old_data;
 };
 
@@ -121,22 +121,26 @@ static int Create( vlc_object_t *p_this )
     p_filter->pf_video_filter = Filter;
 
     /* Initialize the arguments */
-    p_filter->p_sys->i_window_size = var_CreateGetIntegerCommand( p_filter,
-                                               FILTER_PREFIX "window-size" );
-    p_filter->p_sys->i_softening = var_CreateGetIntegerCommand( p_filter,
-                                               FILTER_PREFIX "softening-size" );
+    atomic_init( &p_filter->p_sys->i_window_size,
+                var_CreateGetIntegerCommand( p_filter,
+                                             FILTER_PREFIX"window-size" ) );
+    atomic_init( &p_filter->p_sys->i_softening,
+                 var_CreateGetIntegerCommand( p_filter,
+                                             FILTER_PREFIX"softening-size" ) );
 
     p_filter->p_sys->p_old_data = calloc( p_filter->fmt_in.video.i_width *
      (p_filter->fmt_in.video.i_height+1),sizeof(*p_filter->p_sys->p_old_data) );
 
     if( p_filter->p_sys->p_old_data == NULL )
+    {
+        free( p_filter->p_sys );
         return VLC_ENOMEM;
+    }
 
     memset( p_filter->p_sys->ia_luminance_data, 0,
                     sizeof(p_filter->p_sys->ia_luminance_data) );
     p_filter->p_sys->ia_luminance_data[p_filter->p_sys->i_window_size - 1] = 256;
 
-    vlc_mutex_init( &p_filter->p_sys->lock );
     var_AddCallback(p_filter,FILTER_PREFIX "window-size",
         AntiFlickerCallback, p_filter->p_sys);
     var_AddCallback(p_filter,FILTER_PREFIX "softening-size",
@@ -158,7 +162,6 @@ static void Destroy( vlc_object_t *p_this )
         AntiFlickerCallback, p_filter->p_sys);
     var_DelCallback(p_filter,FILTER_PREFIX "softening-size",
         AntiFlickerCallback, p_filter->p_sys);
-    vlc_mutex_destroy( &p_filter->p_sys->lock );
     free(p_filter->p_sys->p_old_data);
     free( p_filter->p_sys );
 }
@@ -208,13 +211,8 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
 
     /****************** Get variables *************************/
 
-    int i_window_size;
-    int i_softening;
-
-    vlc_mutex_lock( &p_filter->p_sys->lock );
-    i_window_size = p_filter->p_sys->i_window_size;
-    i_softening = p_filter->p_sys->i_softening;
-    vlc_mutex_unlock( &p_filter->p_sys->lock );
+    int i_window_size = atomic_load( &p_filter->p_sys->i_window_size );
+    int i_softening = atomic_load( &p_filter->p_sys->i_softening );
 
     uint8_t *p_yplane_in = p_pic->p[Y_PLANE].p_pixels;
     uint8_t *p_yplane_out = p_outpic->p[Y_PLANE].p_pixels;
@@ -332,12 +330,10 @@ static int AntiFlickerCallback( vlc_object_t *p_this, char const *psz_var,
     VLC_UNUSED(p_this); VLC_UNUSED(oldval);
     filter_sys_t *p_sys = (filter_sys_t *)p_data;
 
-    vlc_mutex_lock( &p_sys->lock );
     if( !strcmp( psz_var, FILTER_PREFIX "window-size" ) )
-        p_sys->i_window_size = newval.i_int;
+        atomic_store( &p_sys->i_window_size, newval.i_int );
     else if( !strcmp( psz_var, FILTER_PREFIX "softening-size" ) )
-        p_sys->i_softening = newval.i_int;
-    vlc_mutex_unlock( &p_sys->lock );
+        atomic_store( &p_sys->i_softening, newval.i_int );
 
     return VLC_SUCCESS;
 }