forked from mirrors/gstreamer-rs
a208919c88
This struct is "reimplemented" to make it easier to access the fields instead of going through `ffi::GstVideoRectangle`, but should be marked `repr(C)` to remain binary-compatible.
68 lines
1.6 KiB
Rust
68 lines
1.6 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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use glib::translate::IntoGlib;
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use std::mem;
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#[repr(C)]
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#[derive(Clone, Debug, Eq, PartialEq, Hash)]
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pub struct VideoRectangle {
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pub x: i32,
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pub y: i32,
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pub w: i32,
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pub h: i32,
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}
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impl VideoRectangle {
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pub fn new(x: i32, y: i32, w: i32, h: i32) -> Self {
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skip_assert_initialized!();
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Self { x, y, w, h }
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}
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}
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pub fn center_video_rectangle(
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src: &VideoRectangle,
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dst: &VideoRectangle,
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scale: bool,
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) -> VideoRectangle {
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skip_assert_initialized!();
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let mut result = ffi::GstVideoRectangle {
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x: 0,
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y: 0,
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w: 0,
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h: 0,
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};
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let src_rect = ffi::GstVideoRectangle {
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x: src.x,
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y: src.y,
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w: src.w,
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h: src.h,
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};
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let dst_rect = ffi::GstVideoRectangle {
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x: dst.x,
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y: dst.y,
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w: dst.w,
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h: dst.h,
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};
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unsafe {
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ffi::gst_video_sink_center_rect(src_rect, dst_rect, &mut result, scale.into_glib());
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}
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VideoRectangle::new(result.x, result.y, result.w, result.h)
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}
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#[doc(hidden)]
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impl glib::translate::Uninitialized for VideoRectangle {
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unsafe fn uninitialized() -> Self {
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mem::zeroed()
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}
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}
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#[doc(hidden)]
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impl<'a> glib::translate::ToGlibPtrMut<'a, *mut ffi::GstVideoRectangle> for VideoRectangle {
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type Storage = &'a mut Self;
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fn to_glib_none_mut(
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&'a mut self,
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) -> glib::translate::StashMut<*mut ffi::GstVideoRectangle, Self> {
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glib::translate::StashMut(self as *mut _ as *mut _, self)
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}
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}
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