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Tags: factorize get_index
unsafe code
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1 changed files with 8 additions and 12 deletions
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@ -264,19 +264,15 @@ impl TagListRef {
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}
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pub fn get_index<'a, T: Tag<'a>>(&'a self, idx: u32) -> Option<&'a TypedValue<T::TagType>> {
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unsafe {
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let value = ffi::gst_tag_list_get_value_index(
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self.as_ptr(),
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T::tag_name().to_glib_none().0,
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idx,
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);
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self.get_index_generic(T::tag_name(), idx)
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.and_then(|value| unsafe {
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let value = value.to_glib_none().0;
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if (*value).g_type != T::TagType::static_type().to_glib() {
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return None;
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}
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if value.is_null() || (*value).g_type != T::TagType::static_type().to_glib() {
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return None;
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}
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Some(&*(value as *const TypedValue<T::TagType>))
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}
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Some(&*(value as *const TypedValue<T::TagType>))
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})
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}
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pub fn get_index_generic<'a>(&'a self, tag_name: &str, idx: u32) -> Option<&'a SendValue> {
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