Fix grabber bug and add Gtk control application

2 files changed, 3 insertions, 1 deletions

diff --git a/src/grabbers/me4.c b/src/grabbers/me4.c
index 4cdb14a..17b46e3 100644
--- a/src/grabbers/me4.c
+++ b/src/grabbers/me4.c
@@ -18,7 +18,8 @@ struct uca_me4_grabber_t {
 
 uint32_t uca_me4_destroy(struct uca_grabber_t *grabber)
 {
-    Fg_FreeGrabber(GET_FG(grabber));
+    if (grabber != NULL)
+        Fg_FreeGrabber(GET_FG(grabber));
 }
 
 uint32_t uca_me4_set_property(struct uca_grabber_t *grabber, enum uca_property_ids property, void *data)
diff --git a/src/uca.c b/src/uca.c
index b70c25a..7cbe8b8 100644
--- a/src/uca.c
+++ b/src/uca.c
@@ -98,6 +98,7 @@ struct uca_t *uca_init(void)
         free(uca);
         return NULL;
     }
+    uca->grabbers = grabber;
     grabber->next = NULL;
 
     /* Probe each camera that is configured */