Port AggregatorPad subclassing

This commit is contained in:
Sebastian Dröge 2018-11-21 08:49:36 +02:00
parent 411319198a
commit 2bc6efa893
6 changed files with 163 additions and 2 deletions

View file

@ -108,6 +108,7 @@ version = "1.14"
[[object]] [[object]]
name = "GstBase.AggregatorPad" name = "GstBase.AggregatorPad"
status = "generate" status = "generate"
subclassing = true
version = "1.14" version = "1.14"
[[object]] [[object]]

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@ -8,11 +8,13 @@
use ffi; use ffi;
use glib::translate::*; use glib::translate::*;
use glib::IsA; use glib::{IsA, IsClassFor};
use gst; use gst;
use gst_ffi; use gst_ffi;
use AggregatorPad; use AggregatorPad;
use std::ops;
pub trait AggregatorPadExtManual { pub trait AggregatorPadExtManual {
fn get_segment(&self) -> gst::Segment; fn get_segment(&self) -> gst::Segment;
} }
@ -27,3 +29,27 @@ impl<O: IsA<AggregatorPad>> AggregatorPadExtManual for O {
} }
} }
} }
#[repr(C)]
pub struct AggregatorPadClass(ffi::GstAggregatorPadClass);
unsafe impl IsClassFor for AggregatorPadClass {
type Instance = ::AggregatorPad;
}
unsafe impl Send for AggregatorPadClass {}
unsafe impl Sync for AggregatorPadClass {}
impl ops::Deref for AggregatorPadClass {
type Target = gst::PadClass;
fn deref(&self) -> &Self::Target {
self.upcast_ref()
}
}
impl ops::DerefMut for AggregatorPadClass {
fn deref_mut(&mut self) -> &mut Self::Target {
self.upcast_ref_mut()
}
}

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@ -2,6 +2,7 @@
// from gir-files (https://github.com/gtk-rs/gir-files) // from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT // DO NOT EDIT
use AggregatorPadClass;
use ffi; use ffi;
use glib::object::IsA; use glib::object::IsA;
use glib::translate::*; use glib::translate::*;
@ -13,7 +14,7 @@ use std::mem;
use std::ptr; use std::ptr;
glib_wrapper! { glib_wrapper! {
pub struct AggregatorPad(Object<ffi::GstAggregatorPad, ffi::GstAggregatorPadClass>): [ pub struct AggregatorPad(Object<ffi::GstAggregatorPad, ffi::GstAggregatorPadClass, AggregatorPadClass>): [
gst::Pad => gst_ffi::GstPad, gst::Pad => gst_ffi::GstPad,
gst::Object => gst_ffi::GstObject, gst::Object => gst_ffi::GstObject,
]; ];

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@ -45,6 +45,8 @@ pub use flow_combiner::*;
mod aggregator; mod aggregator;
#[cfg(any(feature = "v1_14", feature = "dox"))] #[cfg(any(feature = "v1_14", feature = "dox"))]
mod aggregator_pad; mod aggregator_pad;
#[cfg(any(feature = "v1_14", feature = "dox"))]
pub use aggregator_pad::AggregatorPadClass;
mod base_sink; mod base_sink;
pub use base_sink::BaseSinkClass; pub use base_sink::BaseSinkClass;
mod base_src; mod base_src;

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@ -0,0 +1,126 @@
// Copyright (C) 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 gst;
use gst::prelude::*;
use glib::subclass::prelude::*;
use gst::subclass::prelude::*;
use Aggregator;
use AggregatorPad;
use AggregatorPadClass;
pub trait AggregatorPadImpl: PadImpl + Send + Sync + 'static {
fn flush(&self, aggregator_pad: &AggregatorPad, aggregator: &Aggregator) -> gst::FlowReturn {
self.parent_flush(aggregator_pad, aggregator)
}
fn skip_buffer(
&self,
aggregator_pad: &AggregatorPad,
aggregator: &Aggregator,
buffer: &gst::BufferRef,
) -> bool {
self.parent_skip_buffer(aggregator_pad, aggregator, buffer)
}
fn parent_flush(
&self,
aggregator_pad: &AggregatorPad,
aggregator: &Aggregator,
) -> gst::FlowReturn {
unsafe {
let data = self.get_type_data();
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorPadClass;
(*parent_class)
.flush
.map(|f| {
from_glib(f(
aggregator_pad.to_glib_none().0,
aggregator.to_glib_none().0,
))
})
.unwrap_or(gst::FlowReturn::Ok)
}
}
fn parent_skip_buffer(
&self,
aggregator_pad: &AggregatorPad,
aggregator: &Aggregator,
buffer: &gst::BufferRef,
) -> bool {
unsafe {
let data = self.get_type_data();
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorPadClass;
(*parent_class)
.skip_buffer
.map(|f| {
from_glib(f(
aggregator_pad.to_glib_none().0,
aggregator.to_glib_none().0,
buffer.as_mut_ptr(),
))
})
.unwrap_or(false)
}
}
}
unsafe impl<T: ObjectSubclass + AggregatorPadImpl> IsSubclassable<T> for AggregatorPadClass {
fn override_vfuncs(&mut self) {
<gst::PadClass as IsSubclassable<T>>::override_vfuncs(self);
unsafe {
let klass = &mut *(self as *const Self as *mut ffi::GstAggregatorPadClass);
klass.flush = Some(aggregator_pad_flush::<T>);
klass.skip_buffer = Some(aggregator_pad_skip_buffer::<T>);
}
}
}
unsafe extern "C" fn aggregator_pad_flush<T: ObjectSubclass>(
ptr: *mut ffi::GstAggregatorPad,
aggregator: *mut ffi::GstAggregator,
) -> gst_ffi::GstFlowReturn
where
T: AggregatorPadImpl,
{
glib_floating_reference_guard!(ptr);
let instance = &*(ptr as *mut T::Instance);
let imp = instance.get_impl();
let wrap: AggregatorPad = from_glib_borrow(ptr);
imp.flush(&wrap, &from_glib_borrow(aggregator)).to_glib()
}
unsafe extern "C" fn aggregator_pad_skip_buffer<T: ObjectSubclass>(
ptr: *mut ffi::GstAggregatorPad,
aggregator: *mut ffi::GstAggregator,
buffer: *mut gst_ffi::GstBuffer,
) -> glib_ffi::gboolean
where
T: AggregatorPadImpl,
{
glib_floating_reference_guard!(ptr);
let instance = &*(ptr as *mut T::Instance);
let imp = instance.get_impl();
let wrap: AggregatorPad = from_glib_borrow(ptr);
imp.skip_buffer(
&wrap,
&from_glib_borrow(aggregator),
gst::BufferRef::from_ptr(buffer),
)
.to_glib()
}

View file

@ -14,7 +14,12 @@ pub mod base_transform;
pub use self::base_transform::BaseTransformMode; pub use self::base_transform::BaseTransformMode;
#[cfg(any(feature = "v1_14", feature = "dox"))]
pub mod aggregator_pad;
pub mod prelude { pub mod prelude {
#[cfg(any(feature = "v1_14", feature = "dox"))]
pub use super::aggregator_pad::AggregatorPadImpl;
pub use super::base_sink::BaseSinkImpl; pub use super::base_sink::BaseSinkImpl;
pub use super::base_src::BaseSrcImpl; pub use super::base_src::BaseSrcImpl;
pub use super::base_transform::{BaseTransformClassSubclassExt, BaseTransformImpl}; pub use super::base_transform::{BaseTransformClassSubclassExt, BaseTransformImpl};