mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-10-01 00:02:15 +00:00
533 lines
16 KiB
Rust
533 lines
16 KiB
Rust
|
// Copyright (C) 2017,2018 Sebastian Dröge <sebastian@centricular.com>
|
||
|
//
|
||
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
// option. This file may not be copied, modified, or distributed
|
||
|
// except according to those terms.
|
||
|
|
||
|
use ffi;
|
||
|
use glib_ffi;
|
||
|
use gst_ffi;
|
||
|
|
||
|
use glib::translate::*;
|
||
|
use prelude::*;
|
||
|
|
||
|
use glib::subclass::prelude::*;
|
||
|
use gst;
|
||
|
use gst::subclass::prelude::*;
|
||
|
|
||
|
use std::ptr;
|
||
|
|
||
|
use BaseSrc;
|
||
|
use BaseSrcClass;
|
||
|
|
||
|
pub trait BaseSrcImpl: ElementImpl + Send + Sync + 'static {
|
||
|
fn start(&self, _element: &BaseSrc) -> bool {
|
||
|
true
|
||
|
}
|
||
|
|
||
|
fn stop(&self, _element: &BaseSrc) -> bool {
|
||
|
true
|
||
|
}
|
||
|
|
||
|
fn is_seekable(&self, _element: &BaseSrc) -> bool {
|
||
|
false
|
||
|
}
|
||
|
|
||
|
fn get_size(&self, _element: &BaseSrc) -> Option<u64> {
|
||
|
None
|
||
|
}
|
||
|
|
||
|
fn fill(
|
||
|
&self,
|
||
|
_element: &BaseSrc,
|
||
|
_offset: u64,
|
||
|
_length: u32,
|
||
|
_buffer: &mut gst::BufferRef,
|
||
|
) -> gst::FlowReturn {
|
||
|
unimplemented!()
|
||
|
}
|
||
|
|
||
|
fn create(
|
||
|
&self,
|
||
|
element: &BaseSrc,
|
||
|
offset: u64,
|
||
|
length: u32,
|
||
|
) -> Result<gst::Buffer, gst::FlowError> {
|
||
|
self.parent_create(element, offset, length)
|
||
|
}
|
||
|
|
||
|
fn do_seek(&self, element: &BaseSrc, segment: &mut gst::Segment) -> bool {
|
||
|
self.parent_do_seek(element, segment)
|
||
|
}
|
||
|
|
||
|
fn query(&self, element: &BaseSrc, query: &mut gst::QueryRef) -> bool {
|
||
|
BaseSrcImpl::parent_query(self, element, query)
|
||
|
}
|
||
|
|
||
|
fn event(&self, element: &BaseSrc, event: &gst::Event) -> bool {
|
||
|
self.parent_event(element, event)
|
||
|
}
|
||
|
|
||
|
fn get_caps(&self, element: &BaseSrc, filter: Option<&gst::CapsRef>) -> Option<gst::Caps> {
|
||
|
self.parent_get_caps(element, filter)
|
||
|
}
|
||
|
|
||
|
fn negotiate(&self, element: &BaseSrc) -> bool {
|
||
|
self.parent_negotiate(element)
|
||
|
}
|
||
|
|
||
|
fn set_caps(&self, element: &BaseSrc, caps: &gst::CapsRef) -> bool {
|
||
|
self.parent_set_caps(element, caps)
|
||
|
}
|
||
|
|
||
|
fn fixate(&self, element: &BaseSrc, caps: gst::Caps) -> gst::Caps {
|
||
|
self.parent_fixate(element, caps)
|
||
|
}
|
||
|
|
||
|
fn unlock(&self, _element: &BaseSrc) -> bool {
|
||
|
true
|
||
|
}
|
||
|
|
||
|
fn unlock_stop(&self, _element: &BaseSrc) -> bool {
|
||
|
true
|
||
|
}
|
||
|
|
||
|
fn parent_create(
|
||
|
&self,
|
||
|
element: &BaseSrc,
|
||
|
offset: u64,
|
||
|
length: u32,
|
||
|
) -> Result<gst::Buffer, gst::FlowError> {
|
||
|
unsafe {
|
||
|
let data = self.get_type_data();
|
||
|
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
|
||
|
(*parent_class)
|
||
|
.create
|
||
|
.map(|f| {
|
||
|
let mut buffer: *mut gst_ffi::GstBuffer = ptr::null_mut();
|
||
|
// FIXME: Wrong signature in -sys bindings
|
||
|
// https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys/issues/3
|
||
|
let buffer_ref = &mut buffer as *mut _ as *mut gst_ffi::GstBuffer;
|
||
|
let ret: gst::FlowReturn =
|
||
|
from_glib(f(element.to_glib_none().0, offset, length, buffer_ref));
|
||
|
|
||
|
ret.into_result_value(|| from_glib_full(buffer))
|
||
|
})
|
||
|
.unwrap_or(Err(gst::FlowError::Error))
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn parent_do_seek(&self, element: &BaseSrc, segment: &mut gst::Segment) -> bool {
|
||
|
unsafe {
|
||
|
let data = self.get_type_data();
|
||
|
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
|
||
|
(*parent_class)
|
||
|
.do_seek
|
||
|
.map(|f| from_glib(f(element.to_glib_none().0, segment.to_glib_none_mut().0)))
|
||
|
.unwrap_or(false)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn parent_query(&self, element: &BaseSrc, query: &mut gst::QueryRef) -> bool {
|
||
|
unsafe {
|
||
|
let data = self.get_type_data();
|
||
|
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
|
||
|
(*parent_class)
|
||
|
.query
|
||
|
.map(|f| from_glib(f(element.to_glib_none().0, query.as_mut_ptr())))
|
||
|
.unwrap_or(false)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn parent_event(&self, element: &BaseSrc, event: &gst::Event) -> bool {
|
||
|
unsafe {
|
||
|
let data = self.get_type_data();
|
||
|
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
|
||
|
(*parent_class)
|
||
|
.event
|
||
|
.map(|f| from_glib(f(element.to_glib_none().0, event.to_glib_none().0)))
|
||
|
.unwrap_or(false)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn parent_get_caps(
|
||
|
&self,
|
||
|
element: &BaseSrc,
|
||
|
filter: Option<&gst::CapsRef>,
|
||
|
) -> Option<gst::Caps> {
|
||
|
unsafe {
|
||
|
let data = self.get_type_data();
|
||
|
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
|
||
|
let filter_ptr = if let Some(filter) = filter {
|
||
|
filter.as_mut_ptr()
|
||
|
} else {
|
||
|
ptr::null_mut()
|
||
|
};
|
||
|
|
||
|
(*parent_class)
|
||
|
.get_caps
|
||
|
.map(|f| from_glib_full(f(element.to_glib_none().0, filter_ptr)))
|
||
|
.unwrap_or(None)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn parent_negotiate(&self, element: &BaseSrc) -> bool {
|
||
|
unsafe {
|
||
|
let data = self.get_type_data();
|
||
|
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
|
||
|
(*parent_class)
|
||
|
.negotiate
|
||
|
.map(|f| from_glib(f(element.to_glib_none().0)))
|
||
|
.unwrap_or(false)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn parent_set_caps(&self, element: &BaseSrc, caps: &gst::CapsRef) -> bool {
|
||
|
unsafe {
|
||
|
let data = self.get_type_data();
|
||
|
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
|
||
|
(*parent_class)
|
||
|
.set_caps
|
||
|
.map(|f| from_glib(f(element.to_glib_none().0, caps.as_mut_ptr())))
|
||
|
.unwrap_or(true)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn parent_fixate(&self, element: &BaseSrc, caps: gst::Caps) -> gst::Caps {
|
||
|
unsafe {
|
||
|
let data = self.get_type_data();
|
||
|
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
|
||
|
|
||
|
match (*parent_class).fixate {
|
||
|
Some(fixate) => from_glib_full(fixate(element.to_glib_none().0, caps.into_ptr())),
|
||
|
None => caps,
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
unsafe impl<T: ObjectSubclass + BaseSrcImpl> IsSubclassable<T> for BaseSrcClass
|
||
|
where
|
||
|
<T as ObjectSubclass>::Instance: PanicPoison,
|
||
|
{
|
||
|
fn override_vfuncs(&mut self) {
|
||
|
<gst::ElementClass as IsSubclassable<T>>::override_vfuncs(self);
|
||
|
unsafe {
|
||
|
let klass = &mut *(self as *const Self as *mut ffi::GstBaseSrcClass);
|
||
|
klass.start = Some(base_src_start::<T>);
|
||
|
klass.stop = Some(base_src_stop::<T>);
|
||
|
klass.is_seekable = Some(base_src_is_seekable::<T>);
|
||
|
klass.get_size = Some(base_src_get_size::<T>);
|
||
|
klass.fill = Some(base_src_fill::<T>);
|
||
|
klass.create = Some(base_src_create::<T>);
|
||
|
klass.do_seek = Some(base_src_do_seek::<T>);
|
||
|
klass.query = Some(base_src_query::<T>);
|
||
|
klass.event = Some(base_src_event::<T>);
|
||
|
klass.get_caps = Some(base_src_get_caps::<T>);
|
||
|
klass.negotiate = Some(base_src_negotiate::<T>);
|
||
|
klass.set_caps = Some(base_src_set_caps::<T>);
|
||
|
klass.fixate = Some(base_src_fixate::<T>);
|
||
|
klass.unlock = Some(base_src_unlock::<T>);
|
||
|
klass.unlock_stop = Some(base_src_unlock_stop::<T>);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_start<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.start(&wrap) }).to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_stop<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.stop(&wrap) }).to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_is_seekable<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||
|
imp.is_seekable(&wrap)
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_get_size<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
size: *mut u64,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||
|
match imp.get_size(&wrap) {
|
||
|
Some(s) => {
|
||
|
*size = s;
|
||
|
true
|
||
|
}
|
||
|
None => false,
|
||
|
}
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_fill<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
offset: u64,
|
||
|
length: u32,
|
||
|
buffer: *mut gst_ffi::GstBuffer,
|
||
|
) -> gst_ffi::GstFlowReturn
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
let buffer = gst::BufferRef::from_mut_ptr(buffer);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
|
||
|
imp.fill(&wrap, offset, length, buffer)
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_create<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
offset: u64,
|
||
|
length: u32,
|
||
|
buffer_ptr: *mut gst_ffi::GstBuffer,
|
||
|
) -> gst_ffi::GstFlowReturn
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
// FIXME: Wrong signature in -sys bindings
|
||
|
// https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys/issues/3
|
||
|
let buffer_ptr = buffer_ptr as *mut *mut gst_ffi::GstBuffer;
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
|
||
|
match imp.create(&wrap, offset, length) {
|
||
|
Ok(buffer) => {
|
||
|
*buffer_ptr = buffer.into_ptr();
|
||
|
gst::FlowReturn::Ok
|
||
|
}
|
||
|
Err(err) => gst::FlowReturn::from(err),
|
||
|
}
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_do_seek<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
segment: *mut gst_ffi::GstSegment,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||
|
imp.do_seek(&wrap, &mut from_glib_borrow(segment))
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_query<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
query_ptr: *mut gst_ffi::GstQuery,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
let query = gst::QueryRef::from_mut_ptr(query_ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||
|
BaseSrcImpl::query(imp, &wrap, query)
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_event<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
event_ptr: *mut gst_ffi::GstEvent,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||
|
imp.event(&wrap, &from_glib_borrow(event_ptr))
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_get_caps<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
filter: *mut gst_ffi::GstCaps,
|
||
|
) -> *mut gst_ffi::GstCaps
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
let filter = if filter.is_null() {
|
||
|
None
|
||
|
} else {
|
||
|
Some(gst::CapsRef::from_ptr(filter))
|
||
|
};
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), None, {
|
||
|
imp.get_caps(&wrap, filter)
|
||
|
})
|
||
|
.map(|caps| caps.into_ptr())
|
||
|
.unwrap_or(ptr::null_mut())
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_negotiate<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.negotiate(&wrap) }).to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_set_caps<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
caps: *mut gst_ffi::GstCaps,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
let caps = gst::CapsRef::from_ptr(caps);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||
|
imp.set_caps(&wrap, caps)
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_fixate<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
caps: *mut gst_ffi::GstCaps,
|
||
|
) -> *mut gst_ffi::GstCaps
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
let caps = from_glib_full(caps);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::Caps::new_empty(), {
|
||
|
imp.fixate(&wrap, caps)
|
||
|
})
|
||
|
.into_ptr()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_unlock<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.unlock(&wrap) }).to_glib()
|
||
|
}
|
||
|
|
||
|
unsafe extern "C" fn base_src_unlock_stop<T: ObjectSubclass>(
|
||
|
ptr: *mut ffi::GstBaseSrc,
|
||
|
) -> glib_ffi::gboolean
|
||
|
where
|
||
|
T: BaseSrcImpl,
|
||
|
T::Instance: PanicPoison,
|
||
|
{
|
||
|
glib_floating_reference_guard!(ptr);
|
||
|
let instance = &*(ptr as *mut T::Instance);
|
||
|
let imp = instance.get_impl();
|
||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||
|
|
||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||
|
imp.unlock_stop(&wrap)
|
||
|
})
|
||
|
.to_glib()
|
||
|
}
|