gstreamer-rs/gstreamer-sdp/src/sdp_attribute.rs

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2020-12-15 10:53:31 +00:00
// Take a look at the license at the top of the repository in the LICENSE file.
use std::ffi::CStr;
use std::fmt;
use std::mem;
use glib::translate::*;
#[repr(transparent)]
#[doc(alias = "GstSDPAttribute")]
pub struct SDPAttribute(pub(crate) ffi::GstSDPAttribute);
unsafe impl Send for SDPAttribute {}
unsafe impl Sync for SDPAttribute {}
impl SDPAttribute {
pub fn new(key: &str, value: Option<&str>) -> Self {
assert_initialized_main_thread!();
unsafe {
let mut attr = mem::MaybeUninit::zeroed();
ffi::gst_sdp_attribute_set(
attr.as_mut_ptr(),
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key.to_glib_none().0,
value.to_glib_none().0,
);
SDPAttribute(attr.assume_init())
}
}
pub fn key(&self) -> &str {
unsafe { CStr::from_ptr(self.0.key).to_str().unwrap() }
}
pub fn value(&self) -> Option<&str> {
unsafe {
let ptr = self.0.value;
if ptr.is_null() {
None
} else {
Some(CStr::from_ptr(ptr).to_str().unwrap())
}
}
}
}
impl Clone for SDPAttribute {
fn clone(&self) -> Self {
SDPAttribute::new(self.key(), self.value())
}
}
impl Drop for SDPAttribute {
fn drop(&mut self) {
unsafe {
ffi::gst_sdp_attribute_clear(&mut self.0);
}
}
}
impl fmt::Debug for SDPAttribute {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("SDPAttribute")
.field("key", &self.key())
.field("value", &self.value())
.finish()
}
}