1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::{marker::PhantomData, mem};
4
5use crate::ffi;
6use glib::translate::IntoGlib;
7
8#[repr(C)]
9#[derive(Clone, Debug, Eq, PartialEq, Hash)]
10pub struct VideoRectangle {
11 pub x: i32,
12 pub y: i32,
13 pub w: i32,
14 pub h: i32,
15}
16
17impl VideoRectangle {
18 #[inline]
19 pub fn new(x: i32, y: i32, w: i32, h: i32) -> Self {
20 skip_assert_initialized!();
21 Self { x, y, w, h }
22 }
23}
24
25pub fn center_video_rectangle(
26 src: &VideoRectangle,
27 dst: &VideoRectangle,
28 scale: bool,
29) -> VideoRectangle {
30 skip_assert_initialized!();
31 let mut result = ffi::GstVideoRectangle {
32 x: 0,
33 y: 0,
34 w: 0,
35 h: 0,
36 };
37 let src_rect = ffi::GstVideoRectangle {
38 x: src.x,
39 y: src.y,
40 w: src.w,
41 h: src.h,
42 };
43 let dst_rect = ffi::GstVideoRectangle {
44 x: dst.x,
45 y: dst.y,
46 w: dst.w,
47 h: dst.h,
48 };
49 unsafe {
50 ffi::gst_video_sink_center_rect(src_rect, dst_rect, &mut result, scale.into_glib());
51 }
52 VideoRectangle::new(result.x, result.y, result.w, result.h)
53}
54
55#[doc(hidden)]
56impl glib::translate::Uninitialized for VideoRectangle {
57 #[inline]
58 unsafe fn uninitialized() -> Self {
59 mem::zeroed()
60 }
61}
62
63#[doc(hidden)]
64impl<'a> glib::translate::ToGlibPtrMut<'a, *mut ffi::GstVideoRectangle> for VideoRectangle {
65 type Storage = PhantomData<&'a mut Self>;
66
67 #[inline]
68 fn to_glib_none_mut(
69 &'a mut self,
70 ) -> glib::translate::StashMut<'a, *mut ffi::GstVideoRectangle, Self> {
71 glib::translate::StashMut(self as *mut _ as *mut _, PhantomData)
72 }
73}
74