gstreamer-rs/gstreamer-video/src/video_aggregator_pad.rs

65 lines
2 KiB
Rust

use glib::{object::IsA, translate::*};
use gst::prelude::*;
use crate::{auto::VideoAggregatorPad, subclass::AggregateFramesToken};
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::VideoAggregatorPad>> Sealed for T {}
}
pub trait VideoAggregatorPadExtManual: sealed::Sealed + IsA<VideoAggregatorPad> + 'static {
#[doc(alias = "gst_video_aggregator_pad_has_current_buffer")]
fn has_current_buffer(&self, _token: &AggregateFramesToken) -> bool {
unsafe {
from_glib(ffi::gst_video_aggregator_pad_has_current_buffer(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "gst_video_aggregator_pad_get_current_buffer")]
fn current_buffer(&self, _token: &AggregateFramesToken) -> Option<gst::Buffer> {
unsafe {
from_glib_none(ffi::gst_video_aggregator_pad_get_current_buffer(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "gst_video_aggregator_pad_get_prepared_frame")]
fn prepared_frame<'a>(
&self,
_token: &'a AggregateFramesToken,
) -> Option<crate::VideoFrameRef<&'a gst::BufferRef>> {
unsafe {
let ptr =
ffi::gst_video_aggregator_pad_get_prepared_frame(self.as_ref().to_glib_none().0);
if ptr.is_null() {
None
} else {
Some(crate::VideoFrameRef::from_glib_borrow(ptr).into_inner())
}
}
}
fn video_info(&self) -> Option<crate::VideoInfo> {
unsafe {
let ptr = self.as_ptr() as *mut ffi::GstVideoAggregatorPad;
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<VideoAggregatorPad>> VideoAggregatorPadExtManual for O {}