gstreamer-rs/gstreamer-video/src/video_aggregator.rs

30 lines
836 B
Rust

use glib::{object::IsA, translate::*};
use gst::prelude::*;
use crate::auto::VideoAggregator;
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::VideoAggregator>> Sealed for T {}
}
pub trait VideoAggregatorExtManual: sealed::Sealed + IsA<VideoAggregator> + 'static {
fn video_info(&self) -> Option<crate::VideoInfo> {
unsafe {
let ptr = self.as_ptr() as *mut ffi::GstVideoAggregator;
let _guard = self.as_ref().object_lock();
let info = &(*ptr).info;
if info.finfo.is_null() || info.width <= 0 || info.height <= 0 {
return None;
}
Some(from_glib_none(mut_override(
info as *const ffi::GstVideoInfo,
)))
}
}
}
impl<O: IsA<VideoAggregator>> VideoAggregatorExtManual for O {}