gstreamer_sdp/
sdp_attribute.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::{ffi::CStr, fmt, mem};
4
5use crate::ffi;
6use glib::translate::*;
7
8#[repr(transparent)]
9#[doc(alias = "GstSDPAttribute")]
10pub struct SDPAttribute(pub(crate) ffi::GstSDPAttribute);
11
12unsafe impl Send for SDPAttribute {}
13unsafe impl Sync for SDPAttribute {}
14
15impl SDPAttribute {
16    pub fn new(key: &str, value: Option<&str>) -> Self {
17        assert_initialized_main_thread!();
18        unsafe {
19            let mut attr = mem::MaybeUninit::uninit();
20            ffi::gst_sdp_attribute_set(
21                attr.as_mut_ptr(),
22                key.to_glib_none().0,
23                value.to_glib_none().0,
24            );
25            SDPAttribute(attr.assume_init())
26        }
27    }
28
29    pub fn key(&self) -> &str {
30        unsafe { CStr::from_ptr(self.0.key).to_str().unwrap() }
31    }
32
33    pub fn value(&self) -> Option<&str> {
34        unsafe {
35            let ptr = self.0.value;
36
37            if ptr.is_null() {
38                None
39            } else {
40                Some(CStr::from_ptr(ptr).to_str().unwrap())
41            }
42        }
43    }
44}
45
46impl Clone for SDPAttribute {
47    fn clone(&self) -> Self {
48        SDPAttribute::new(self.key(), self.value())
49    }
50}
51
52impl Drop for SDPAttribute {
53    fn drop(&mut self) {
54        unsafe {
55            ffi::gst_sdp_attribute_clear(&mut self.0);
56        }
57    }
58}
59
60impl fmt::Debug for SDPAttribute {
61    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
62        f.debug_struct("SDPAttribute")
63            .field("key", &self.key())
64            .field("value", &self.value())
65            .finish()
66    }
67}