gstreamer_rtsp_server/subclass/
rtsp_mount_points.rs

Help
1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::{prelude::*, subclass::prelude::*, translate::*};
4use gst_rtsp::ffi::GstRTSPUrl;
5
6use crate::{ffi, RTSPMountPoints};
7
8pub trait RTSPMountPointsImpl: RTSPMountPointsImplExt + ObjectImpl + Send + Sync {
9    /// Make a path string from `url`.
10    /// ## `url`
11    /// a [`gst_rtsp::RTSPUrl`][crate::gst_rtsp::RTSPUrl]
12    ///
13    /// # Returns
14    ///
15    /// a path string for `url`, `g_free()` after usage.
16    fn make_path(&self, url: &gst_rtsp::RTSPUrl) -> Option<glib::GString> {
17        self.parent_make_path(url)
18    }
19}
20
21mod sealed {
22    pub trait Sealed {}
23    impl<T: super::RTSPMountPointsImplExt> Sealed for T {}
24}
25
26pub trait RTSPMountPointsImplExt: sealed::Sealed + ObjectSubclass {
27    fn parent_make_path(&self, url: &gst_rtsp::RTSPUrl) -> Option<glib::GString> {
28        unsafe {
29            let data = Self::type_data();
30            let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTSPMountPointsClass;
31            let f = (*parent_class)
32                .make_path
33                .expect("No `make_path` virtual method implementation in parent class");
34            from_glib_full(f(
35                self.obj()
36                    .unsafe_cast_ref::<RTSPMountPoints>()
37                    .to_glib_none()
38                    .0,
39                url.to_glib_none().0,
40            ))
41        }
42    }
43}
44
45impl<T: RTSPMountPointsImpl> RTSPMountPointsImplExt for T {}
46
47unsafe impl<T: RTSPMountPointsImpl> IsSubclassable<T> for RTSPMountPoints {
48    fn class_init(klass: &mut glib::Class<Self>) {
49        Self::parent_class_init::<T>(klass);
50        let klass = klass.as_mut();
51        klass.make_path = Some(mount_points_make_path::<T>);
52    }
53}
54
55unsafe extern "C" fn mount_points_make_path<T: RTSPMountPointsImpl>(
56    ptr: *mut ffi::GstRTSPMountPoints,
57    url: *const GstRTSPUrl,
58) -> *mut std::os::raw::c_char {
59    let instance = &*(ptr as *mut T::Instance);
60    let imp = instance.imp();
61
62    imp.make_path(&from_glib_borrow(url)).into_glib_ptr()
63}
gstreamer_rtsp_server/subclass/rtsp_mount_points.rs

gstreamer_rtsp_server/subclass/
rtsp_mount_points.rs
