add boolean option "snapshot-preview" to enable/disable the snapshot's

preview display in the top left corner of the screen.

src/libvlc.h

@@ -297,6 +297,11 @@ static char *ppsz_align_descriptions[] =
     "Allows you to specify the image format in which the video snapshots will " \
     "be stored.")
 
+#define SNAP_PREVIEW_TEXT N_("Display video snapshot preview")
+#define SNAP_PREVIEW_LONGTEXT N_( \
+    "Enable / disable displaying the snapshot preview in the screen's to " \
+    " left corner.")
+
 #define CROP_TEXT N_("Video cropping")
 #define CROP_LONGTEXT N_( \
     "This will force the cropping of the source video. " \
@@ -1106,6 +1111,8 @@ vlc_module_begin();
     add_string( "snapshot-format", "png", NULL, SNAP_FORMAT_TEXT,
                    SNAP_FORMAT_LONGTEXT, VLC_FALSE );
         change_string_list( ppsz_snap_formats, NULL, 0 );
+    add_bool( "snapshot-preview", VLC_TRUE, NULL, SNAP_PREVIEW_TEXT,
+              SNAP_PREVIEW_LONGTEXT, VLC_FALSE );
 
     set_section( N_("Window properties" ), NULL );
     add_integer( "width", -1, NULL, WIDTH_TEXT, WIDTH_LONGTEXT, VLC_TRUE );

src/video_output/vout_intf.c

@@ -185,6 +185,7 @@ void vout_IntfInit( vout_thread_t *p_vout )
     /* Create a few object variables we'll need later on */
     var_Create( p_vout, "snapshot-path", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "snapshot-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+    var_Create( p_vout, "snapshot-preview", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
     var_Create( p_vout, "align", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
@@ -568,6 +569,8 @@ int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
     msg_Dbg( p_vout, "snapshot taken (%s)", psz_filename );
     free( psz_filename );
 
+    if( var_GetBool( p_vout, "snapshot-preview" ) )
+    {
         /* Inject a subpicture with the snapshot */
         memset( &fmt_out, 0, sizeof(fmt_out) );
         fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
@@ -591,10 +594,16 @@ int vout_Snapshot( vout_thread_t *p_vout, picture_t *p_pic )
         p_subpic->i_original_picture_height = p_vout->render.i_height * 4;
 
         p_subpic->p_region = spu_CreateRegion( p_vout->p_spu, &fmt_out );
-    vout_CopyPicture( p_image->p_parent, &p_subpic->p_region->picture, p_pif );
+        vout_CopyPicture( p_image->p_parent, &p_subpic->p_region->picture,
+                          p_pif );
         p_pif->pf_release( p_pif );
 
         spu_DisplaySubpicture( p_vout->p_spu, p_subpic );
+    }
+    else
+    {
+        image_HandlerDelete( p_image );
+    }
 
     return VLC_SUCCESS;
 }