gstreamer-rs/gstreamer-video/src/video_rectangle.rs

53 lines
1.3 KiB
Rust

// Copyright (C) 2017 Philippe Normand <philn@igalia.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::translate::ToGlib;
#[derive(Clone, Debug, Eq, PartialEq, Hash)]
pub struct VideoRectangle {
pub x: i32,
pub y: i32,
pub w: i32,
pub h: i32,
}
impl VideoRectangle {
pub fn new(x: i32, y: i32, w: i32, h: i32) -> Self {
VideoRectangle { x, y, w, h }
}
}
pub fn center_video_rectangle(
src: &VideoRectangle,
dst: &VideoRectangle,
scale: bool,
) -> VideoRectangle {
let mut result = ffi::GstVideoRectangle {
x: 0,
y: 0,
w: 0,
h: 0,
};
let src_rect = ffi::GstVideoRectangle {
x: src.x,
y: src.y,
w: src.w,
h: src.h,
};
let dst_rect = ffi::GstVideoRectangle {
x: dst.x,
y: dst.y,
w: dst.w,
h: dst.h,
};
unsafe {
ffi::gst_video_sink_center_rect(src_rect, dst_rect, &mut result, scale.to_glib());
}
VideoRectangle::new(result.x, result.y, result.w, result.h)
}