gstreamer-rs/gstreamer-player/src/player_video_info.rs

// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.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 PlayerVideoInfo;
use ffi;
use glib::translate::*;
use gst;
use std::mem;

impl PlayerVideoInfo {
    pub fn get_framerate(&self) -> gst::Fraction {
        unsafe {
            let mut fps_n = mem::uninitialized();
            let mut fps_d = mem::uninitialized();
            ffi::gst_player_video_info_get_framerate(self.to_glib_none().0, &mut fps_n, &mut fps_d);
            (fps_n as i32, fps_d as i32).into()
        }
    }

    pub fn get_pixel_aspect_ratio(&self) -> gst::Fraction {
        unsafe {
            let mut par_n = mem::uninitialized();
            let mut par_d = mem::uninitialized();
            ffi::gst_player_video_info_get_pixel_aspect_ratio(
                self.to_glib_none().0,
                &mut par_n,
                &mut par_d,
            );
            (par_n as i32, par_d as i32).into()
        }
    }
}