LinGui: protect against failure to get preview image

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6245 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 8 insertions, 1 deletions

diff --git a/gtk/src/hb-backend.c b/gtk/src/hb-backend.c
index 175d523cc..e6302cdda 100644
--- a/gtk/src/hb-backend.c
+++ b/gtk/src/hb-backend.c
@@ -5046,14 +5046,21 @@ ghb_get_preview_image(
     uiGeo.par.num = 1;
     uiGeo.par.den = 1;
 
+    GdkPixbuf *preview;
     hb_image_t *image;
     image = hb_get_preview2(h_scan, title->index, index, &uiGeo, deinterlace);
 
+    if (image == NULL)
+    {
+        preview = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
+                                 title->width, title->height);
+        return preview;
+    }
+
     // Create an GdkPixbuf and copy the libhb image into it, converting it from
     // libhb's format something suitable.
     // The image data returned by hb_get_preview is 4 bytes per pixel,
     // BGRA format. Alpha is ignored.
-    GdkPixbuf *preview;
     preview = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
                              image->width, image->height);
     guint8 *pixels = gdk_pixbuf_get_pixels(preview);