Camera example not working
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I am using Qt creator 4.8.2, on Debian buster.
And the error log I am getting is :
(camera:5761): GStreamer-CRITICAL **: 09:44:19.901: gst_mini_object_unref: assertion 'GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) > 0' failedUnable to query the parameter info: "Inappropriate ioctl for device"
Unable to query the parameter info: "Inappropriate ioctl for device"
(camera:5761): GStreamer-CRITICAL **: 09:44:20.081: gst_mini_object_unref: assertion 'GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) > 0' failed
(camera:5761): GStreamer-CRITICAL **: 09:44:20.126: gst_mini_object_unref: assertion 'GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) > 0' failed
(camera:5761): GStreamer-CRITICAL **: 09:44:20.226: gst_caps_is_empty: assertion 'GST_IS_CAPS (caps)' failed
(camera:5761): GStreamer-CRITICAL **: 09:44:20.226: gst_caps_is_equal: assertion 'GST_IS_CAPS (caps2)' failed
** (camera:5761): CRITICAL **: 09:44:20.226: gst_pad_set_caps: assertion 'caps != NULL && gst_caps_is_fixed (caps)' failed
(camera:5761): GLib-CRITICAL **: 09:44:20.226: g_atomic_ref_count_dec: assertion 'g_atomic_int_get (arc) > 0' failed
free(): invalid pointer
09:44:20: The program has unexpectedly finished.
Is there anyone who knows whats wrong with it ??