GstStructure* gst_v4l2_object_v4l2fourcc_to_structure (guint32 fourcc);
-gboolean gst_v4l2_object_set_format (GstV4l2Object *v4l2object, guint32 pixelformat, guint32 width, guint32 height, gboolean interlaced);
+gboolean gst_v4l2_object_set_format (GstV4l2Object *v4l2object, guint32 pixelformat, guint32 width, guint32 height, gboolean interlaced, guint32 *bytesperline);
gboolean gst_v4l2_object_start_streaming (GstV4l2Object *v4l2object);
gboolean gst_v4l2_object_stop_streaming (GstV4l2Object *v4l2object);