mirror of
https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
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105 lines
2.8 KiB
Rust
105 lines
2.8 KiB
Rust
// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::mem;
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use std::ptr;
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use glib_ffi;
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use gobject_ffi;
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use gst_ffi;
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use glib;
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use glib::translate::*;
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use gst;
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use gst::prelude::*;
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use gobject_subclass::anyimpl::*;
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use gobject_subclass::object::*;
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use bin::*;
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use element::*;
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use object::*;
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pub trait PipelineImpl<T: PipelineBase>:
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AnyImpl + ObjectImpl<T> + ElementImpl<T> + BinImpl<T> + Send + Sync + 'static
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where
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T::InstanceStructType: PanicPoison,
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{
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}
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any_impl!(PipelineBase, PipelineImpl, PanicPoison);
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pub unsafe trait PipelineBase:
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IsA<gst::Element> + IsA<gst::Bin> + IsA<gst::Pipeline> + ObjectType
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{
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}
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pub unsafe trait PipelineClassExt<T: PipelineBase>
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where
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T::ImplType: PipelineImpl<T>,
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T::InstanceStructType: PanicPoison,
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{
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fn override_vfuncs(&mut self, _: &ClassInitToken) {}
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}
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glib_wrapper! {
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pub struct Pipeline(Object<ElementInstanceStruct<Pipeline>>):
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[gst::Pipeline => gst_ffi::GstPipeline,
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gst::Bin => gst_ffi::GstBin,
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gst::Element => gst_ffi::GstElement,
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gst::Object => gst_ffi::GstObject,
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gst::ChildProxy => gst_ffi::GstChildProxy];
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match fn {
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get_type => || get_type::<Pipeline>(),
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}
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}
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unsafe impl<T: IsA<gst::Element> + IsA<gst::Bin> + IsA<gst::Pipeline> + ObjectType> PipelineBase
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for T
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{}
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pub type PipelineClass = ClassStruct<Pipeline>;
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// FIXME: Boilerplate
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unsafe impl PipelineClassExt<Pipeline> for PipelineClass {}
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unsafe impl BinClassExt<Pipeline> for PipelineClass {}
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unsafe impl ElementClassExt<Pipeline> for PipelineClass {}
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unsafe impl ObjectClassExt<Pipeline> for PipelineClass {}
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unsafe impl Send for Pipeline {}
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unsafe impl Sync for Pipeline {}
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#[macro_export]
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macro_rules! box_pipeline_impl(
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($name:ident) => {
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box_bin_impl!($name);
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impl<T: PipelineBase> PipelineImpl<T> for Box<$name<T>>
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where
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T::InstanceStructType: PanicPoison
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{
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}
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};
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);
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box_pipeline_impl!(PipelineImpl);
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impl ObjectType for Pipeline {
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const NAME: &'static str = "RsPipeline";
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type ParentType = gst::Pipeline;
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type ImplType = Box<PipelineImpl<Self>>;
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type InstanceStructType = ElementInstanceStruct<Self>;
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fn class_init(token: &ClassInitToken, klass: &mut PipelineClass) {
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ObjectClassExt::override_vfuncs(klass, token);
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ElementClassExt::override_vfuncs(klass, token);
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BinClassExt::override_vfuncs(klass, token);
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PipelineClassExt::override_vfuncs(klass, token);
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}
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object_type_fns!();
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}
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