mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-06-02 21:39:24 +00:00
3a8d05075d
And also fix a few cases where mem::uninitialized() was simply wrong to use.
783 lines
24 KiB
Rust
783 lines
24 KiB
Rust
// Copyright (C) 2017-2019 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 glib_sys;
|
|
use gst_base_sys;
|
|
use gst_sys;
|
|
|
|
use glib::translate::*;
|
|
use prelude::*;
|
|
|
|
use glib::subclass::prelude::*;
|
|
use gst;
|
|
use gst::subclass::prelude::*;
|
|
|
|
use std::mem;
|
|
use std::ptr;
|
|
|
|
use BaseSrc;
|
|
use BaseSrcClass;
|
|
|
|
pub trait BaseSrcImpl: BaseSrcImplExt + ElementImpl + Send + Sync + 'static {
|
|
fn start(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage> {
|
|
self.parent_start(element)
|
|
}
|
|
|
|
fn stop(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage> {
|
|
self.parent_stop(element)
|
|
}
|
|
|
|
fn is_seekable(&self, element: &BaseSrc) -> bool {
|
|
self.parent_is_seekable(element)
|
|
}
|
|
|
|
fn get_size(&self, element: &BaseSrc) -> Option<u64> {
|
|
self.parent_get_size(element)
|
|
}
|
|
|
|
fn fill(
|
|
&self,
|
|
element: &BaseSrc,
|
|
offset: u64,
|
|
length: u32,
|
|
buffer: &mut gst::BufferRef,
|
|
) -> Result<gst::FlowSuccess, gst::FlowError> {
|
|
self.parent_fill(element, offset, length, buffer)
|
|
}
|
|
|
|
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 {
|
|
BaseSrcImplExt::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::Caps>) -> Option<gst::Caps> {
|
|
self.parent_get_caps(element, filter)
|
|
}
|
|
|
|
fn negotiate(&self, element: &BaseSrc) -> Result<(), gst::LoggableError> {
|
|
self.parent_negotiate(element)
|
|
}
|
|
|
|
fn set_caps(&self, element: &BaseSrc, caps: &gst::Caps) -> Result<(), gst::LoggableError> {
|
|
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) -> Result<(), gst::ErrorMessage> {
|
|
self.parent_unlock(element)
|
|
}
|
|
|
|
fn unlock_stop(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage> {
|
|
self.parent_unlock_stop(element)
|
|
}
|
|
}
|
|
|
|
pub trait BaseSrcImplExt {
|
|
fn parent_start(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage>;
|
|
|
|
fn parent_stop(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage>;
|
|
|
|
fn parent_is_seekable(&self, element: &BaseSrc) -> bool;
|
|
|
|
fn parent_get_size(&self, element: &BaseSrc) -> Option<u64>;
|
|
|
|
fn parent_fill(
|
|
&self,
|
|
element: &BaseSrc,
|
|
offset: u64,
|
|
length: u32,
|
|
buffer: &mut gst::BufferRef,
|
|
) -> Result<gst::FlowSuccess, gst::FlowError>;
|
|
|
|
fn parent_create(
|
|
&self,
|
|
element: &BaseSrc,
|
|
offset: u64,
|
|
length: u32,
|
|
) -> Result<gst::Buffer, gst::FlowError>;
|
|
|
|
fn parent_do_seek(&self, element: &BaseSrc, segment: &mut gst::Segment) -> bool;
|
|
|
|
fn parent_query(&self, element: &BaseSrc, query: &mut gst::QueryRef) -> bool;
|
|
|
|
fn parent_event(&self, element: &BaseSrc, event: &gst::Event) -> bool;
|
|
|
|
fn parent_get_caps(&self, element: &BaseSrc, filter: Option<&gst::Caps>) -> Option<gst::Caps>;
|
|
|
|
fn parent_negotiate(&self, element: &BaseSrc) -> Result<(), gst::LoggableError>;
|
|
|
|
fn parent_set_caps(
|
|
&self,
|
|
element: &BaseSrc,
|
|
caps: &gst::Caps,
|
|
) -> Result<(), gst::LoggableError>;
|
|
|
|
fn parent_fixate(&self, element: &BaseSrc, caps: gst::Caps) -> gst::Caps;
|
|
|
|
fn parent_unlock(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage>;
|
|
|
|
fn parent_unlock_stop(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage>;
|
|
}
|
|
|
|
impl<T: BaseSrcImpl + ObjectImpl> BaseSrcImplExt for T {
|
|
fn parent_start(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.start
|
|
.map(|f| {
|
|
if from_glib(f(element.to_glib_none().0)) {
|
|
Ok(())
|
|
} else {
|
|
Err(gst_error_msg!(
|
|
gst::CoreError::StateChange,
|
|
["Parent function `start` failed"]
|
|
))
|
|
}
|
|
})
|
|
.unwrap_or(Ok(()))
|
|
}
|
|
}
|
|
|
|
fn parent_stop(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.stop
|
|
.map(|f| {
|
|
if from_glib(f(element.to_glib_none().0)) {
|
|
Ok(())
|
|
} else {
|
|
Err(gst_error_msg!(
|
|
gst::CoreError::StateChange,
|
|
["Parent function `stop` failed"]
|
|
))
|
|
}
|
|
})
|
|
.unwrap_or(Ok(()))
|
|
}
|
|
}
|
|
|
|
fn parent_is_seekable(&self, element: &BaseSrc) -> bool {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.is_seekable
|
|
.map(|f| from_glib(f(element.to_glib_none().0)))
|
|
.unwrap_or(false)
|
|
}
|
|
}
|
|
|
|
fn parent_get_size(&self, element: &BaseSrc) -> Option<u64> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.get_size
|
|
.map(|f| {
|
|
let mut size = mem::MaybeUninit::uninit();
|
|
if from_glib(f(element.to_glib_none().0, size.as_mut_ptr())) {
|
|
Some(size.assume_init())
|
|
} else {
|
|
None
|
|
}
|
|
})
|
|
.unwrap_or(None)
|
|
}
|
|
}
|
|
|
|
fn parent_fill(
|
|
&self,
|
|
element: &BaseSrc,
|
|
offset: u64,
|
|
length: u32,
|
|
buffer: &mut gst::BufferRef,
|
|
) -> Result<gst::FlowSuccess, gst::FlowError> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.fill
|
|
.map(|f| {
|
|
gst::FlowReturn::from_glib(f(
|
|
element.to_glib_none().0,
|
|
offset,
|
|
length,
|
|
buffer.as_mut_ptr(),
|
|
))
|
|
})
|
|
.unwrap_or(gst::FlowReturn::NotSupported)
|
|
.into_result()
|
|
}
|
|
}
|
|
|
|
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 gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.create
|
|
.map(|f| {
|
|
let mut buffer: *mut gst_sys::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_sys::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::NotSupported))
|
|
}
|
|
}
|
|
|
|
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 gst_base_sys::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 gst_base_sys::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 gst_base_sys::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::Caps>) -> Option<gst::Caps> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
|
|
(*parent_class)
|
|
.get_caps
|
|
.map(|f| from_glib_full(f(element.to_glib_none().0, filter.to_glib_none().0)))
|
|
.unwrap_or(None)
|
|
}
|
|
}
|
|
|
|
fn parent_negotiate(&self, element: &BaseSrc) -> Result<(), gst::LoggableError> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.negotiate
|
|
.map(|f| {
|
|
gst_result_from_gboolean!(
|
|
f(element.to_glib_none().0),
|
|
gst::CAT_RUST,
|
|
"Parent function `negotiate` failed"
|
|
)
|
|
})
|
|
.unwrap_or(Ok(()))
|
|
}
|
|
}
|
|
|
|
fn parent_set_caps(
|
|
&self,
|
|
element: &BaseSrc,
|
|
caps: &gst::Caps,
|
|
) -> Result<(), gst::LoggableError> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.set_caps
|
|
.map(|f| {
|
|
gst_result_from_gboolean!(
|
|
f(element.to_glib_none().0, caps.to_glib_none().0),
|
|
gst::CAT_RUST,
|
|
"Parent function `set_caps` failed"
|
|
)
|
|
})
|
|
.unwrap_or(Ok(()))
|
|
}
|
|
}
|
|
|
|
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 gst_base_sys::GstBaseSrcClass;
|
|
|
|
match (*parent_class).fixate {
|
|
Some(fixate) => from_glib_full(fixate(element.to_glib_none().0, caps.into_ptr())),
|
|
None => caps,
|
|
}
|
|
}
|
|
}
|
|
|
|
fn parent_unlock(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.unlock
|
|
.map(|f| {
|
|
if from_glib(f(element.to_glib_none().0)) {
|
|
Ok(())
|
|
} else {
|
|
Err(gst_error_msg!(
|
|
gst::CoreError::Failed,
|
|
["Parent function `unlock` failed"]
|
|
))
|
|
}
|
|
})
|
|
.unwrap_or(Ok(()))
|
|
}
|
|
}
|
|
|
|
fn parent_unlock_stop(&self, element: &BaseSrc) -> Result<(), gst::ErrorMessage> {
|
|
unsafe {
|
|
let data = self.get_type_data();
|
|
let parent_class =
|
|
data.as_ref().get_parent_class() as *mut gst_base_sys::GstBaseSrcClass;
|
|
(*parent_class)
|
|
.unlock_stop
|
|
.map(|f| {
|
|
if from_glib(f(element.to_glib_none().0)) {
|
|
Ok(())
|
|
} else {
|
|
Err(gst_error_msg!(
|
|
gst::CoreError::Failed,
|
|
["Parent function `unlock_stop` failed"]
|
|
))
|
|
}
|
|
})
|
|
.unwrap_or(Ok(()))
|
|
}
|
|
}
|
|
}
|
|
|
|
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 *mut Self as *mut gst_base_sys::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 gst_base_sys::GstBaseSrc,
|
|
) -> glib_sys::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.start(&wrap) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
wrap.post_error_message(&err);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn base_src_stop<T: ObjectSubclass>(
|
|
ptr: *mut gst_base_sys::GstBaseSrc,
|
|
) -> glib_sys::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.stop(&wrap) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
wrap.post_error_message(&err);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn base_src_is_seekable<T: ObjectSubclass>(
|
|
ptr: *mut gst_base_sys::GstBaseSrc,
|
|
) -> glib_sys::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 gst_base_sys::GstBaseSrc,
|
|
size: *mut u64,
|
|
) -> glib_sys::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 gst_base_sys::GstBaseSrc,
|
|
offset: u64,
|
|
length: u32,
|
|
buffer: *mut gst_sys::GstBuffer,
|
|
) -> gst_sys::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).into()
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn base_src_create<T: ObjectSubclass>(
|
|
ptr: *mut gst_base_sys::GstBaseSrc,
|
|
offset: u64,
|
|
length: u32,
|
|
buffer_ptr: *mut gst_sys::GstBuffer,
|
|
) -> gst_sys::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_sys::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 gst_base_sys::GstBaseSrc,
|
|
segment: *mut gst_sys::GstSegment,
|
|
) -> glib_sys::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 gst_base_sys::GstBaseSrc,
|
|
query_ptr: *mut gst_sys::GstQuery,
|
|
) -> glib_sys::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 gst_base_sys::GstBaseSrc,
|
|
event_ptr: *mut gst_sys::GstEvent,
|
|
) -> glib_sys::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 gst_base_sys::GstBaseSrc,
|
|
filter: *mut gst_sys::GstCaps,
|
|
) -> *mut gst_sys::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 = Option::<gst::Caps>::from_glib_borrow(filter);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), None, {
|
|
imp.get_caps(&wrap, filter.as_ref())
|
|
})
|
|
.map(|caps| caps.into_ptr())
|
|
.unwrap_or(ptr::null_mut())
|
|
}
|
|
|
|
unsafe extern "C" fn base_src_negotiate<T: ObjectSubclass>(
|
|
ptr: *mut gst_base_sys::GstBaseSrc,
|
|
) -> glib_sys::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.negotiate(&wrap) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
err.log_with_object(&wrap);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn base_src_set_caps<T: ObjectSubclass>(
|
|
ptr: *mut gst_base_sys::GstBaseSrc,
|
|
caps: *mut gst_sys::GstCaps,
|
|
) -> glib_sys::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 = from_glib_borrow(caps);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
match imp.set_caps(&wrap, &caps) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
err.log_with_object(&wrap);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn base_src_fixate<T: ObjectSubclass>(
|
|
ptr: *mut gst_base_sys::GstBaseSrc,
|
|
caps: *mut gst_sys::GstCaps,
|
|
) -> *mut gst_sys::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 gst_base_sys::GstBaseSrc,
|
|
) -> glib_sys::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.unlock(&wrap) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
wrap.post_error_message(&err);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn base_src_unlock_stop<T: ObjectSubclass>(
|
|
ptr: *mut gst_base_sys::GstBaseSrc,
|
|
) -> glib_sys::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.unlock_stop(&wrap) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
wrap.post_error_message(&err);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|