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Gracefully return None in Caps::get_structure() if the index is too high

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This commit is contained in:
Sebastian Dröge 2018-07-06 10:36:00 +02:00
parent 332ab9690f
commit 3f8a087fd4
1 changed files with 8 additions and 0 deletions
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8
gstreamer/src/caps.rs
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@ -128,6 +128,10 @@ impl CapsRef {
} }
pub fn get_structure(&self, idx: u32) -> Option<&StructureRef> { pub fn get_structure(&self, idx: u32) -> Option<&StructureRef> {
if idx >= self.get_size() {
return None;
}
unsafe { unsafe {
let structure = ffi::gst_caps_get_structure(self.as_ptr(), idx); let structure = ffi::gst_caps_get_structure(self.as_ptr(), idx);
if structure.is_null() { if structure.is_null() {
@ -141,6 +145,10 @@ impl CapsRef {
} }
pub fn get_mut_structure(&mut self, idx: u32) -> Option<&mut StructureRef> { pub fn get_mut_structure(&mut self, idx: u32) -> Option<&mut StructureRef> {
if idx >= self.get_size() {
return None;
}
unsafe { unsafe {
let structure = ffi::gst_caps_get_structure(self.as_ptr(), idx); let structure = ffi::gst_caps_get_structure(self.as_ptr(), idx);
if structure.is_null() { if structure.is_null() {