gstreamer_video/
video_aggregator.rs

1use glib::translate::*;
2use gst::prelude::*;
3
4use crate::{ffi, VideoAggregator};
5
6pub trait VideoAggregatorExtManual: IsA<VideoAggregator> + 'static {
7    fn video_info(&self) -> Option<crate::VideoInfo> {
8        unsafe {
9            let ptr = self.as_ptr() as *mut ffi::GstVideoAggregator;
10            let _guard = self.as_ref().object_lock();
11
12            let info = &(*ptr).info;
13
14            if info.finfo.is_null() || info.width <= 0 || info.height <= 0 {
15                return None;
16            }
17
18            Some(from_glib_none(mut_override(
19                info as *const ffi::GstVideoInfo,
20            )))
21        }
22    }
23}
24
25impl<O: IsA<VideoAggregator>> VideoAggregatorExtManual for O {}