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webrtc: Work around WebRTCICE::add_candidate() API breakage in 1.24

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1245>
This commit is contained in:
Sebastian Dröge 2023-04-07 11:55:10 +03:00
parent 87a70b16ba
commit 64bc1f7625
2 changed files with 52 additions and 0 deletions
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6
gstreamer-webrtc/src/lib.rs
View file

@ -22,10 +22,16 @@ pub use crate::auto::*;
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
mod web_rtc_ice_candidate_stats;
mod web_rtc_session_description;
#[cfg(any(feature = "v1_22", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
mod web_rtcice;
// Re-export all the traits in a prelude module, so that applications
// can always "use gst_webrtc::prelude::*" without getting conflicts
pub mod prelude {
#[cfg(any(feature = "v1_22", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
pub use crate::web_rtcice::WebRTCICEExtManual;
#[doc(hidden)]
pub use gst_sdp::prelude::*;
}

46
gstreamer-webrtc/src/web_rtcice.rs Normal file
View file

@ -0,0 +1,46 @@
// Take a look at the license at the top of the repository in the LICENSE file.
use glib::{prelude::*, translate::*};
use crate::{WebRTCICE, WebRTCICEStream};
pub trait WebRTCICEExtManual: 'static {
#[doc(alias = "gst_webrtc_ice_add_candidate")]
fn add_candidate(&self, stream: &impl IsA<WebRTCICEStream>, candidate: &str);
}
impl<O: IsA<WebRTCICE>> WebRTCICEExtManual for O {
fn add_candidate(&self, stream: &impl IsA<WebRTCICEStream>, candidate: &str) {
unsafe {
use std::{mem, ptr};
if gst::version() >= (1, 23, 0, 0) {
let func = mem::transmute::<
unsafe extern "C" fn(
*mut ffi::GstWebRTCICE,
*mut ffi::GstWebRTCICEStream,
*const std::os::raw::c_char,
),
unsafe extern "C" fn(
*mut ffi::GstWebRTCICE,
*mut ffi::GstWebRTCICEStream,
*const std::os::raw::c_char,
*mut gst::ffi::GstPromise,
),
>(ffi::gst_webrtc_ice_add_candidate);
func(
self.as_ref().to_glib_none().0,
stream.as_ref().to_glib_none().0,
candidate.to_glib_none().0,
ptr::null_mut(),
);
} else {
ffi::gst_webrtc_ice_add_candidate(
self.as_ref().to_glib_none().0,
stream.as_ref().to_glib_none().0,
candidate.to_glib_none().0,
);
}
}
}
}