forked from mirrors/gstreamer-rs
video: Add bindings for VideoSink
This commit is contained in:
parent
4b553c3ae7
commit
04875f3bff
6 changed files with 211 additions and 2 deletions
|
@ -64,6 +64,7 @@ manual = [
|
|||
"Gst.FlowReturn",
|
||||
"Gst.TagList",
|
||||
"Gst.TagMergeMode",
|
||||
"GstBase.BaseSink",
|
||||
"GstBase.BaseTransform",
|
||||
"GstVideo.VideoCodecState",
|
||||
"GstVideo.VideoCodecFrame",
|
||||
|
@ -247,4 +248,13 @@ name = "GstVideo.VideoFormat"
|
|||
status = "generate"
|
||||
|
||||
[[object.derive]]
|
||||
name = "Debug, Eq, PartialEq, Hash"
|
||||
name = "Debug, Eq, PartialEq, Hash"
|
||||
|
||||
[[object]]
|
||||
name = "GstVideo.VideoSink"
|
||||
status = "generate"
|
||||
|
||||
[[object.function]]
|
||||
name = "center_rect"
|
||||
# Implemented in video_rectangle
|
||||
ignore = true
|
||||
|
|
|
@ -20,6 +20,10 @@ mod video_overlay;
|
|||
pub use self::video_overlay::VideoOverlayExt;
|
||||
pub use self::video_overlay::{VideoOverlay, NONE_VIDEO_OVERLAY};
|
||||
|
||||
mod video_sink;
|
||||
pub use self::video_sink::VideoSinkExt;
|
||||
pub use self::video_sink::{VideoSink, VideoSinkClass, NONE_VIDEO_SINK};
|
||||
|
||||
mod enums;
|
||||
#[cfg(any(feature = "v1_18", feature = "dox"))]
|
||||
pub use self::enums::VideoAFDSpec;
|
||||
|
@ -63,4 +67,5 @@ pub mod traits {
|
|||
pub use super::VideoDecoderExt;
|
||||
pub use super::VideoEncoderExt;
|
||||
pub use super::VideoOverlayExt;
|
||||
pub use super::VideoSinkExt;
|
||||
}
|
||||
|
|
|
@ -1,2 +1,2 @@
|
|||
Generated by gir (https://github.com/gtk-rs/gir @ 882e09b)
|
||||
from gir-files (https://github.com/gtk-rs/gir-files @ 38361831)
|
||||
from gir-files (https://github.com/gtk-rs/gir-files @ 1a54d3bc)
|
||||
|
|
99
gstreamer-video/src/auto/video_sink.rs
Normal file
99
gstreamer-video/src/auto/video_sink.rs
Normal file
|
@ -0,0 +1,99 @@
|
|||
// This file was generated by gir (https://github.com/gtk-rs/gir)
|
||||
// from gir-files (https://github.com/gtk-rs/gir-files)
|
||||
// DO NOT EDIT
|
||||
|
||||
use glib::object::Cast;
|
||||
use glib::object::IsA;
|
||||
use glib::signal::connect_raw;
|
||||
use glib::signal::SignalHandlerId;
|
||||
use glib::translate::*;
|
||||
use glib::StaticType;
|
||||
use glib::Value;
|
||||
use glib_sys;
|
||||
use gobject_sys;
|
||||
use gst;
|
||||
use gst_base;
|
||||
use gst_video_sys;
|
||||
use std::boxed::Box as Box_;
|
||||
use std::mem::transmute;
|
||||
|
||||
glib_wrapper! {
|
||||
pub struct VideoSink(Object<gst_video_sys::GstVideoSink, gst_video_sys::GstVideoSinkClass, VideoSinkClass>) @extends gst_base::BaseSink, gst::Element, gst::Object;
|
||||
|
||||
match fn {
|
||||
get_type => || gst_video_sys::gst_video_sink_get_type(),
|
||||
}
|
||||
}
|
||||
|
||||
unsafe impl Send for VideoSink {}
|
||||
unsafe impl Sync for VideoSink {}
|
||||
|
||||
pub const NONE_VIDEO_SINK: Option<&VideoSink> = None;
|
||||
|
||||
pub trait VideoSinkExt: 'static {
|
||||
fn get_property_show_preroll_frame(&self) -> bool;
|
||||
|
||||
fn set_property_show_preroll_frame(&self, show_preroll_frame: bool);
|
||||
|
||||
fn connect_property_show_preroll_frame_notify<F: Fn(&Self) + Send + Sync + 'static>(
|
||||
&self,
|
||||
f: F,
|
||||
) -> SignalHandlerId;
|
||||
}
|
||||
|
||||
impl<O: IsA<VideoSink>> VideoSinkExt for O {
|
||||
fn get_property_show_preroll_frame(&self) -> bool {
|
||||
unsafe {
|
||||
let mut value = Value::from_type(<bool as StaticType>::static_type());
|
||||
gobject_sys::g_object_get_property(
|
||||
self.to_glib_none().0 as *mut gobject_sys::GObject,
|
||||
b"show-preroll-frame\0".as_ptr() as *const _,
|
||||
value.to_glib_none_mut().0,
|
||||
);
|
||||
value
|
||||
.get()
|
||||
.expect("Return Value for property `show-preroll-frame` getter")
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
|
||||
fn set_property_show_preroll_frame(&self, show_preroll_frame: bool) {
|
||||
unsafe {
|
||||
gobject_sys::g_object_set_property(
|
||||
self.to_glib_none().0 as *mut gobject_sys::GObject,
|
||||
b"show-preroll-frame\0".as_ptr() as *const _,
|
||||
Value::from(&show_preroll_frame).to_glib_none().0,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
fn connect_property_show_preroll_frame_notify<F: Fn(&Self) + Send + Sync + 'static>(
|
||||
&self,
|
||||
f: F,
|
||||
) -> SignalHandlerId {
|
||||
unsafe extern "C" fn notify_show_preroll_frame_trampoline<
|
||||
P,
|
||||
F: Fn(&P) + Send + Sync + 'static,
|
||||
>(
|
||||
this: *mut gst_video_sys::GstVideoSink,
|
||||
_param_spec: glib_sys::gpointer,
|
||||
f: glib_sys::gpointer,
|
||||
) where
|
||||
P: IsA<VideoSink>,
|
||||
{
|
||||
let f: &F = &*(f as *const F);
|
||||
f(&VideoSink::from_glib_borrow(this).unsafe_cast_ref())
|
||||
}
|
||||
unsafe {
|
||||
let f: Box_<F> = Box_::new(f);
|
||||
connect_raw(
|
||||
self.as_ptr() as *mut _,
|
||||
b"notify::show-preroll-frame\0".as_ptr() as *const _,
|
||||
Some(transmute::<_, unsafe extern "C" fn()>(
|
||||
notify_show_preroll_frame_trampoline::<Self, F> as *const (),
|
||||
)),
|
||||
Box_::into_raw(f),
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
|
@ -9,8 +9,10 @@
|
|||
|
||||
mod video_decoder;
|
||||
mod video_encoder;
|
||||
mod video_sink;
|
||||
|
||||
pub mod prelude {
|
||||
pub use super::video_decoder::{VideoDecoderImpl, VideoDecoderImplExt};
|
||||
pub use super::video_encoder::{VideoEncoderImpl, VideoEncoderImplExt};
|
||||
pub use super::video_sink::{VideoSinkImpl, VideoSinkImplExt};
|
||||
}
|
||||
|
|
93
gstreamer-video/src/subclass/video_sink.rs
Normal file
93
gstreamer-video/src/subclass/video_sink.rs
Normal file
|
@ -0,0 +1,93 @@
|
|||
// Copyright (C) 2020 François Laignel <fengalin@free.fr>
|
||||
//
|
||||
// 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 gst_sys;
|
||||
use gst_video_sys;
|
||||
|
||||
use glib::translate::*;
|
||||
|
||||
use glib::subclass::prelude::*;
|
||||
use gst;
|
||||
use gst::subclass::prelude::*;
|
||||
use gst_base::subclass::prelude::*;
|
||||
|
||||
use VideoSink;
|
||||
use VideoSinkClass;
|
||||
|
||||
pub trait VideoSinkImpl:
|
||||
VideoSinkImplExt + BaseSinkImpl + ElementImpl + Send + Sync + 'static
|
||||
{
|
||||
fn show_frame(
|
||||
&self,
|
||||
element: &VideoSink,
|
||||
buffer: &gst::Buffer,
|
||||
) -> Result<gst::FlowSuccess, gst::FlowError> {
|
||||
self.parent_show_frame(element, buffer)
|
||||
}
|
||||
}
|
||||
|
||||
pub trait VideoSinkImplExt {
|
||||
fn parent_show_frame(
|
||||
&self,
|
||||
element: &VideoSink,
|
||||
buffer: &gst::Buffer,
|
||||
) -> Result<gst::FlowSuccess, gst::FlowError>;
|
||||
}
|
||||
|
||||
impl<T: VideoSinkImpl + ObjectImpl> VideoSinkImplExt for T {
|
||||
fn parent_show_frame(
|
||||
&self,
|
||||
element: &VideoSink,
|
||||
buffer: &gst::Buffer,
|
||||
) -> Result<gst::FlowSuccess, gst::FlowError> {
|
||||
unsafe {
|
||||
let data = self.get_type_data();
|
||||
let parent_class =
|
||||
data.as_ref().get_parent_class() as *mut gst_video_sys::GstVideoSinkClass;
|
||||
(*parent_class)
|
||||
.show_frame
|
||||
.map(|f| {
|
||||
gst::FlowReturn::from_glib(f(element.to_glib_none().0, buffer.to_glib_none().0))
|
||||
})
|
||||
.unwrap_or(gst::FlowReturn::Error)
|
||||
.into_result()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
unsafe impl<T: ObjectSubclass + VideoSinkImpl> IsSubclassable<T> for VideoSinkClass
|
||||
where
|
||||
<T as ObjectSubclass>::Instance: PanicPoison,
|
||||
{
|
||||
fn override_vfuncs(&mut self) {
|
||||
<gst_base::BaseSinkClass as IsSubclassable<T>>::override_vfuncs(self);
|
||||
unsafe {
|
||||
let klass = &mut *(self as *mut Self as *mut gst_video_sys::GstVideoSinkClass);
|
||||
klass.show_frame = Some(video_sink_show_frame::<T>);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn video_sink_show_frame<T: ObjectSubclass>(
|
||||
ptr: *mut gst_video_sys::GstVideoSink,
|
||||
buffer: *mut gst_sys::GstBuffer,
|
||||
) -> gst_sys::GstFlowReturn
|
||||
where
|
||||
T: VideoSinkImpl,
|
||||
T::Instance: PanicPoison,
|
||||
{
|
||||
let instance = &*(ptr as *mut T::Instance);
|
||||
let imp = instance.get_impl();
|
||||
let wrap: Borrowed<VideoSink> = from_glib_borrow(ptr);
|
||||
let buffer = from_glib_borrow(buffer);
|
||||
|
||||
gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
|
||||
imp.show_frame(&wrap, &buffer).into()
|
||||
})
|
||||
.to_glib()
|
||||
}
|
Loading…
Reference in a new issue