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[vlc] / modules / video_filter / invert.c

diff --git a/modules/video_filter/invert.c b/modules/video_filter/invert.c
index 5f9d141eb711871407b286acbc7537c507481538..5eb9325506964aacb0d1219133a2dfaee1b5d810 100644 (file)
--- a/modules/video_filter/invert.c
+++ b/modules/video_filter/invert.c
@@ -24,11 +24,14 @@
 /*****************************************************************************
  * Preamble
  *****************************************************************************/
-#include <stdlib.h>                                      /* malloc(), free() */
-#include <string.h>
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
 
 #include <vlc/vlc.h>
-#include <vlc/decoder.h>
+#include <vlc_plugin.h>
+#include <vlc_vout.h>
 
 #include "vlc_filter.h"
 
@@ -44,10 +47,10 @@ static picture_t *Filter( filter_t *, picture_t * );
  * Module descriptor
  *****************************************************************************/
 vlc_module_begin();
-    set_description( _("Invert video filter") );
+    set_description( N_("Invert video filter") );
     set_shortname( N_("Color inversion" ));
     set_category( CAT_VIDEO );
-    set_subcategory( SUBCAT_VIDEO_VFILTER2 );
+    set_subcategory( SUBCAT_VIDEO_VFILTER );
     set_capability( "video filter2", 0 );
     add_shortcut( "invert" );
     set_callbacks( Create, Destroy );
@@ -108,6 +111,7 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
 {
     picture_t *p_outpic;
     int i_index;
+    int i_planes;
 
     if( !p_pic ) return NULL;
 
@@ -120,7 +124,20 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
         return NULL;
     }
 
-    for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
+    if( p_pic->format.i_chroma == VLC_FOURCC('Y','U','V','A') )
+    {
+        /* We don't want to invert the alpha plane */
+        i_planes = p_pic->i_planes - 1;
+        vlc_memcpy(
+            p_outpic->p[A_PLANE].p_pixels, p_pic->p[A_PLANE].p_pixels,
+            p_pic->p[A_PLANE].i_pitch *  p_pic->p[A_PLANE].i_lines );
+    }
+    else
+    {
+        i_planes = p_pic->i_planes;
+    }
+
+    for( i_index = 0 ; i_index < i_planes ; i_index++ )
     {
         uint8_t *p_in, *p_in_end, *p_line_end, *p_out;
 
@@ -139,7 +156,7 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
             p_in64 = (uint64_t*)p_in;
             p_out64 = (uint64_t*)p_out;
 
-            for( ; (ptrdiff_t)p_in64 < (ptrdiff_t)p_line_end ; )
+            while( p_in64 < (uint64_t *)p_line_end )
             {
                 /* Do 64 pixels at a time */
                 *p_out64++ = ~*p_in64++; *p_out64++ = ~*p_in64++;
@@ -170,7 +187,8 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
     p_outpic->b_progressive = p_pic->b_progressive;
     p_outpic->b_top_field_first = p_pic->b_top_field_first;
 
-    p_pic->pf_release( p_pic );
+    if( p_pic->pf_release )
+        p_pic->pf_release( p_pic );
 
     return p_outpic;
 }