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ges: Implement UriClipAsset::new() manually

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The proper finish function is only available since 1.16 so work around
this for the time being.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1480>
This commit is contained in:
Sebastian Dröge 2024-07-08 10:30:03 +03:00
parent 48436458bb
commit 7dc7f3c0cd
4 changed files with 85 additions and 64 deletions
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4
gstreamer-editing-services/Gir.toml
View file

@ -494,6 +494,10 @@ status = "generate"
name = "GES.UriClipAsset"
status = "generate"
concurrency = "send+sync"
[[object.function]]
name = "new"
# broken finish function in < 1.16
manual = true
[[object]]
name = "GES.UriSourceAsset"

65
gstreamer-editing-services/src/auto/uri_clip_asset.rs
View file

@ -12,7 +12,7 @@ use glib::{
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::{boxed::Box as Box_, pin::Pin};
use std::boxed::Box as Box_;
#[cfg(feature = "v1_18")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
@ -45,69 +45,6 @@ impl UriClipAsset {
// unsafe { TODO: call ffi:ges_uri_clip_asset_finish() }
//}
#[doc(alias = "ges_uri_clip_asset_new")]
pub fn new<P: FnOnce(Result<UriClipAsset, glib::Error>) + 'static>(
uri: &str,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: P,
) {
assert_initialized_main_thread!();
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn new_trampoline<
P: FnOnce(Result<UriClipAsset, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = std::ptr::null_mut();
let ret = ffi::ges_uri_clip_asset_finish(res, &mut error);
let result = if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = new_trampoline::<P>;
unsafe {
ffi::ges_uri_clip_asset_new(
uri.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
pub fn new_future(
uri: &str,
) -> Pin<Box_<dyn std::future::Future<Output = Result<UriClipAsset, glib::Error>> + 'static>>
{
skip_assert_initialized!();
let uri = String::from(uri);
Box_::pin(gio::GioFuture::new(&(), move |_obj, cancellable, send| {
Self::new(&uri, Some(cancellable), move |res| {
send.resolve(res);
});
}))
}
#[doc(alias = "ges_uri_clip_asset_request_sync")]
pub fn request_sync(uri: &str) -> Result<UriClipAsset, glib::Error> {
assert_initialized_main_thread!();

1
gstreamer-editing-services/src/lib.rs
View file

@ -60,6 +60,7 @@ pub use crate::auto::*;
#[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
mod composition_meta;
pub mod subclass;
mod uri_clip_asset;
#[cfg(feature = "serde")]
mod flag_serde;

79
gstreamer-editing-services/src/uri_clip_asset.rs Normal file
View file

@ -0,0 +1,79 @@
// Take a look at the license at the top of the repository in the LICENSE file.
use crate::{ffi, UriClipAsset};
use glib::{prelude::*, translate::*};
use std::{boxed::Box as Box_, pin::Pin};
impl UriClipAsset {
#[doc(alias = "ges_uri_clip_asset_new")]
#[allow(clippy::new_ret_no_self)]
pub fn new<P: FnOnce(Result<UriClipAsset, glib::Error>) + 'static>(
uri: &str,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: P,
) {
assert_initialized_main_thread!();
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn new_trampoline<
P: FnOnce(Result<UriClipAsset, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = std::ptr::null_mut();
let ret = {
#[cfg(feature = "v1_16")]
{
ffi::ges_uri_clip_asset_finish(res, &mut error)
}
#[cfg(not(feature = "v1_16"))]
{
ffi::ges_asset_request_finish(res, &mut error) as *mut ffi::GESUriClipAsset
}
};
let result = if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = new_trampoline::<P>;
unsafe {
ffi::ges_uri_clip_asset_new(
uri.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
pub fn new_future(
uri: &str,
) -> Pin<Box_<dyn std::future::Future<Output = Result<UriClipAsset, glib::Error>> + 'static>>
{
skip_assert_initialized!();
let uri = String::from(uri);
Box_::pin(gio::GioFuture::new(&(), move |_obj, cancellable, send| {
Self::new(&uri, Some(cancellable), move |res| {
send.resolve(res);
});
}))
}
}