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use std::mem;
use std::ptr;
use glib_ffi;
use gobject_ffi;
use gst_ffi;
use gst_base_ffi;
use glib;
use glib::translate::*;
use gst;
use gst::prelude::*;
use gst_base;
use gobject_subclass::anyimpl::*;
use gobject_subclass::object::*;
use pad::*;
pub trait AggregatorPadImpl<T: AggregatorPadBase>:
AnyImpl + ObjectImpl<T> + PadImpl<T> + Send + Sync + 'static
{
fn flush(&self, aggregator_pad: &T, aggregator: &gst_base::Aggregator) -> gst::FlowReturn {
aggregator_pad.parent_flush(aggregator)
}
fn skip_buffer(&self, aggregator_pad: &T, aggregator: &gst_base::Aggregator, buffer: &gst::BufferRef) -> bool {
aggregator_pad.parent_skip_buffer(aggregator, buffer)
}
}
any_impl!(AggregatorPadBase, AggregatorPadImpl);
pub unsafe trait AggregatorPadBase: IsA<gst_base::AggregatorPad> + IsA<gst::Pad> + ObjectType {
fn parent_flush(&self, aggregator: &gst_base::Aggregator) -> gst::FlowReturn {
unsafe {
let klass = self.get_class();
let parent_klass =
(*klass).get_parent_class() as *const gst_base_ffi::GstAggregatorPadClass;
(*parent_klass)
.flush
.map(|f| from_glib(f(self.to_glib_none().0, aggregator.to_glib_none().0)))
.unwrap_or(gst::FlowReturn::Ok)
}
}
fn parent_skip_buffer(&self, aggregator: &gst_base::Aggregator, buffer: &gst::BufferRef) -> bool {
unsafe {
let klass = self.get_class();
let parent_klass =
(*klass).get_parent_class() as *const gst_base_ffi::GstAggregatorPadClass;
(*parent_klass)
.skip_buffer
.map(|f| from_glib(f(self.to_glib_none().0, aggregator.to_glib_none().0, buffer.as_mut_ptr())))
.unwrap_or(false)
}
}
}
pub unsafe trait AggregatorPadClassExt<T: AggregatorPadBase>
where
T::ImplType: AggregatorPadImpl<T>,
{
fn override_vfuncs(&mut self, _: &ClassInitToken) {
unsafe {
let klass = &mut *(self as *const Self as *mut gst_base_ffi::GstAggregatorPadClass);
klass.flush = Some(aggregator_pad_flush::<T>);
klass.skip_buffer = Some(aggregator_pad_skip_buffer::<T>);
}
}
}
glib_wrapper! {
pub struct AggregatorPad(Object<InstanceStruct<AggregatorPad>>):
[gst_base::AggregatorPad => gst_base_ffi::GstAggregatorPad,
gst::Pad => gst_ffi::GstPad,
gst::Object => gst_ffi::GstObject];
match fn {
get_type => || get_type::<AggregatorPad>(),
}
}
unsafe impl<T: IsA<gst_base::AggregatorPad> + IsA<gst::Pad> + ObjectType> AggregatorPadBase for T {}
pub type AggregatorPadClass = ClassStruct<AggregatorPad>;
unsafe impl AggregatorPadClassExt<AggregatorPad> for AggregatorPadClass {}
unsafe impl PadClassExt<AggregatorPad> for AggregatorPadClass {}
unsafe impl ObjectClassExt<AggregatorPad> for AggregatorPadClass {}
unsafe impl Send for AggregatorPad {}
unsafe impl Sync for AggregatorPad {}
#[macro_export]
macro_rules! box_aggregator_pad_impl(
($name:ident) => {
box_pad_impl!($name);
impl<T: AggregatorPadBase> AggregatorPadImpl<T> for Box<$name<T>>
{
fn flush(&self, aggregator_pad: &T, aggregator: &gst_base::Aggregator) -> gst::FlowReturn {
let imp: &$name<T> = self.as_ref();
imp.flush(aggregator_pad, aggregator)
}
fn skip_buffer(&self, aggregator_pad: &T, aggregator: &gst_base::Aggregator, buffer: &gst::BufferRef) -> bool {
let imp: &$name<T> = self.as_ref();
imp.skip_buffer(aggregator_pad, aggregator, buffer)
}
}
};
);
box_aggregator_pad_impl!(AggregatorPadImpl);
impl ObjectType for AggregatorPad {
const NAME: &'static str = "RsAggregatorPad";
type ParentType = gst_base::AggregatorPad;
type ImplType = Box<AggregatorPadImpl<Self>>;
type InstanceStructType = InstanceStruct<Self>;
fn class_init(token: &ClassInitToken, klass: &mut AggregatorPadClass) {
PadClassExt::override_vfuncs(klass, token);
AggregatorPadClassExt::override_vfuncs(klass, token);
}
object_type_fns!();
}
unsafe extern "C" fn aggregator_pad_flush<T: AggregatorPadBase>(
ptr: *mut gst_base_ffi::GstAggregatorPad,
aggregator: *mut gst_base_ffi::GstAggregator,
) -> gst_ffi::GstFlowReturn
where
T::ImplType: AggregatorPadImpl<T>,
{
floating_reference_guard!(ptr);
let aggregator_pad = &*(ptr as *mut T::InstanceStructType);
let wrap: T = from_glib_borrow(ptr as *mut T::InstanceStructType);
let imp = aggregator_pad.get_impl();
imp.flush(&wrap, &from_glib_borrow(aggregator)).to_glib()
}
unsafe extern "C" fn aggregator_pad_skip_buffer<T: AggregatorPadBase>(
ptr: *mut gst_base_ffi::GstAggregatorPad,
aggregator: *mut gst_base_ffi::GstAggregator,
buffer: *mut gst_ffi::GstBuffer,
) -> glib_ffi::gboolean
where
T::ImplType: AggregatorPadImpl<T>,
{
floating_reference_guard!(ptr);
let aggregator_pad = &*(ptr as *mut T::InstanceStructType);
let wrap: T = from_glib_borrow(ptr as *mut T::InstanceStructType);
let imp = aggregator_pad.get_impl();
imp.skip_buffer(&wrap, &from_glib_borrow(aggregator), gst::BufferRef::from_ptr(buffer)).to_glib()
}