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gstreamer-check: Simplify borrowing of sink/src harnesses

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1183>
This commit is contained in:
Sebastian Dröge 2023-01-04 19:29:54 +02:00
parent 1e793f3b65
commit 315704fe67
1 changed files with 19 additions and 22 deletions
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41
gstreamer-check/src/harness.rs
View file

@ -1,6 +1,6 @@
// Take a look at the license at the top of the repository in the LICENSE file.
use std::{marker::PhantomData, mem, ops, path, ptr};
use std::{mem, ops, path, ptr};
use glib::translate::*;
use gst::prelude::*;
@ -9,6 +9,7 @@ use crate::TestClock;
#[derive(Debug)]
#[doc(alias = "GstHarness")]
#[repr(transparent)]
pub struct Harness(ptr::NonNull<ffi::GstHarness>);
impl Drop for Harness {
@ -753,13 +754,12 @@ impl Harness {
#[doc(alias = "get_sink_harness")]
pub fn sink_harness(&self) -> Option<Ref> {
unsafe {
let sink_harness = (*self.0.as_ptr()).sink_harness;
if sink_harness.is_null() {
if (*self.0.as_ptr()).sink_harness.is_null() {
None
} else {
Some(Ref(
mem::ManuallyDrop::new(Harness(ptr::NonNull::new_unchecked(sink_harness))),
PhantomData,
&*((&(*self.0.as_ptr()).sink_harness) as *const *mut ffi::GstHarness
as *const Harness),
))
}
}
@ -768,13 +768,12 @@ impl Harness {
#[doc(alias = "get_src_harness")]
pub fn src_harness(&self) -> Option<Ref> {
unsafe {
let src_harness = (*self.0.as_ptr()).src_harness;
if src_harness.is_null() {
if (*self.0.as_ptr()).src_harness.is_null() {
None
} else {
Some(Ref(
mem::ManuallyDrop::new(Harness(ptr::NonNull::new_unchecked(src_harness))),
PhantomData,
&*((&(*self.0.as_ptr()).src_harness) as *const *mut ffi::GstHarness
as *const Harness),
))
}
}
@ -783,13 +782,12 @@ impl Harness {
#[doc(alias = "get_mut_sink_harness")]
pub fn sink_harness_mut(&mut self) -> Option<RefMut> {
unsafe {
let sink_harness = (*self.0.as_ptr()).sink_harness;
if sink_harness.is_null() {
if (*self.0.as_ptr()).sink_harness.is_null() {
None
} else {
Some(RefMut(
mem::ManuallyDrop::new(Harness(ptr::NonNull::new_unchecked(sink_harness))),
PhantomData,
&mut *((&mut (*self.0.as_ptr()).sink_harness) as *mut *mut ffi::GstHarness
as *mut Harness),
))
}
}
@ -798,13 +796,12 @@ impl Harness {
#[doc(alias = "get_mut_src_harness")]
pub fn src_harness_mut(&mut self) -> Option<RefMut> {
unsafe {
let src_harness = (*self.0.as_ptr()).src_harness;
if src_harness.is_null() {
if (*self.0.as_ptr()).src_harness.is_null() {
None
} else {
Some(RefMut(
mem::ManuallyDrop::new(Harness(ptr::NonNull::new_unchecked(src_harness))),
PhantomData,
&mut *((&mut (*self.0.as_ptr()).src_harness) as *mut *mut ffi::GstHarness
as *mut Harness),
))
}
}
@ -812,30 +809,30 @@ impl Harness {
}
#[derive(Debug)]
pub struct Ref<'a>(mem::ManuallyDrop<Harness>, PhantomData<&'a Harness>);
pub struct Ref<'a>(&'a Harness);
impl<'a> ops::Deref for Ref<'a> {
type Target = Harness;
fn deref(&self) -> &Harness {
&self.0
self.0
}
}
#[derive(Debug)]
pub struct RefMut<'a>(mem::ManuallyDrop<Harness>, PhantomData<&'a mut Harness>);
pub struct RefMut<'a>(&'a mut Harness);
impl<'a> ops::Deref for RefMut<'a> {
type Target = Harness;
fn deref(&self) -> &Harness {
&self.0
self.0
}
}
impl<'a> ops::DerefMut for RefMut<'a> {
fn deref_mut(&mut self) -> &mut Harness {
&mut self.0
self.0
}
}