WIP: Getting a big black window, then a crash

This commit is contained in:
Nathan Sobo 2022-10-13 19:00:20 -06:00 committed by Antonio Scandurra
parent 0bbba90f30
commit 9569323f93
3 changed files with 33 additions and 16 deletions

View file

@ -55,7 +55,6 @@ extern "C" {
fn LKVideoTrackAddRenderer(track: *const c_void, renderer: *const c_void);
fn LKCreateScreenShareTrackForWindow(windowId: u32) -> *const c_void;
fn LKDisplaySources(
callback_data: *mut c_void,
callback: extern "C" fn(
@ -64,6 +63,8 @@ extern "C" {
error: CFStringRef,
),
);
fn LKCreateScreenShareTrackForWindow(windowId: u32) -> *const c_void;
fn LKCreateScreenShareTrackForDisplay(display: *const c_void) -> *const c_void;
}
pub struct Room {
@ -196,6 +197,13 @@ impl LocalVideoTrack {
pub fn screen_share_for_window(window_id: u32) -> Self {
Self(unsafe { LKCreateScreenShareTrackForWindow(window_id) })
}
pub fn screen_share_for_display(display: MacOSDisplay) -> Self {
let ptr = display.0;
let this = Self(unsafe { LKCreateScreenShareTrackForDisplay(ptr) });
std::mem::forget(display);
this
}
}
impl Drop for LocalVideoTrack {
@ -285,6 +293,12 @@ pub fn list_windows() -> Vec<WindowInfo> {
pub struct MacOSDisplay(*const c_void);
impl Drop for MacOSDisplay {
fn drop(&mut self) {
unsafe { LKRelease(self.0) }
}
}
pub fn display_sources() -> impl Future<Output = Result<Vec<MacOSDisplay>>> {
extern "C" fn callback(tx: *mut c_void, sources: CFArrayRef, error: CFStringRef) {
unsafe {
@ -294,11 +308,9 @@ pub fn display_sources() -> impl Future<Output = Result<Vec<MacOSDisplay>>> {
let _ = tx.send(Err(anyhow!("{}", CFString::wrap_under_get_rule(error))));
} else {
let sources = CFArray::wrap_under_get_rule(sources);
let sources = sources
.into_iter()
.map(|source| MacOSDisplay(*source))
.collect();
let _ = tx.send(Ok(sources));
let sources_vec = sources.iter().map(|source| MacOSDisplay(*source)).collect();
let _ = tx.send(Ok(sources_vec));
std::mem::forget(sources); // HACK: If I drop the CFArray, all the objects inside it get dropped and we get issues accessing the display later.
}
}
}