IS_MUTABLE        414 gst/gststructure.c   g_return_if_fail (IS_MUTABLE (structure));
IS_MUTABLE        438 gst/gststructure.c   g_return_if_fail (IS_MUTABLE (structure));
IS_MUTABLE        463 gst/gststructure.c   g_return_if_fail (IS_MUTABLE (structure));
IS_MUTABLE        507 gst/gststructure.c   g_return_if_fail (IS_MUTABLE (structure));
IS_MUTABLE        580 gst/gststructure.c   g_return_if_fail (IS_MUTABLE (structure));
IS_MUTABLE        801 gst/gststructure.c   g_return_if_fail (IS_MUTABLE (structure));
IS_MUTABLE        880 gst/gststructure.c   g_return_if_fail (IS_MUTABLE (structure));
IS_MUTABLE       1015 gst/gststructure.c   g_return_val_if_fail (IS_MUTABLE (structure), FALSE);
IS_MUTABLE       2183 gst/gststructure.c   g_return_val_if_fail (IS_MUTABLE (structure), FALSE);
IS_MUTABLE       2247 gst/gststructure.c   g_return_val_if_fail (IS_MUTABLE (structure), FALSE);
IS_MUTABLE       2312 gst/gststructure.c   g_return_val_if_fail (IS_MUTABLE (structure), FALSE);
IS_MUTABLE       2367 gst/gststructure.c   g_return_val_if_fail (IS_MUTABLE (structure), FALSE);
IS_MUTABLE       2423 gst/gststructure.c   g_return_val_if_fail (IS_MUTABLE (structure), FALSE);