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Query::get_structure() can also return NULL

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This commit is contained in:
Sebastian Dröge 2017-12-06 13:43:37 +02:00
parent 1f80df493a
commit 963557b79f
1 changed files with 6 additions and 2 deletions
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8
gstreamer/src/query.rs
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@ -120,10 +120,14 @@ impl GstRc<QueryRef> {
} }
impl QueryRef { impl QueryRef {
pub fn get_structure(&self) -> &StructureRef { pub fn get_structure(&self) -> Option<&StructureRef> {
unsafe { unsafe {
let structure = ffi::gst_query_get_structure(self.as_mut_ptr()); let structure = ffi::gst_query_get_structure(self.as_mut_ptr());
StructureRef::from_glib_borrow(structure) if structure.is_null() {
None
} else {
Some(StructureRef::from_glib_borrow(structure))
}
} }
} }