forked from mirrors/gstreamer-rs
55 lines
1.7 KiB
Rust
55 lines
1.7 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
|
|
|
|
use std::{mem, ptr};
|
|
|
|
use glib::{prelude::*, translate::*};
|
|
use gst::prelude::*;
|
|
|
|
use crate::BaseTransform;
|
|
|
|
mod sealed {
|
|
pub trait Sealed {}
|
|
impl<T: super::IsA<super::BaseTransform>> Sealed for T {}
|
|
}
|
|
|
|
pub trait BaseTransformExtManual: sealed::Sealed + IsA<BaseTransform> + 'static {
|
|
#[doc(alias = "get_allocator")]
|
|
#[doc(alias = "gst_base_transform_get_allocator")]
|
|
fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams) {
|
|
unsafe {
|
|
let mut allocator = ptr::null_mut();
|
|
let mut params = mem::MaybeUninit::uninit();
|
|
ffi::gst_base_transform_get_allocator(
|
|
self.as_ref().to_glib_none().0,
|
|
&mut allocator,
|
|
params.as_mut_ptr(),
|
|
);
|
|
(from_glib_full(allocator), params.assume_init().into())
|
|
}
|
|
}
|
|
|
|
#[doc(alias = "get_segment")]
|
|
fn segment(&self) -> gst::Segment {
|
|
unsafe {
|
|
let trans: &ffi::GstBaseTransform = &*(self.as_ptr() as *const _);
|
|
let _guard = self.as_ref().object_lock();
|
|
from_glib_none(&trans.segment as *const _)
|
|
}
|
|
}
|
|
|
|
fn sink_pad(&self) -> &gst::Pad {
|
|
unsafe {
|
|
let elt = &*(self.as_ptr() as *const ffi::GstBaseTransform);
|
|
&*(&elt.sinkpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
|
|
}
|
|
}
|
|
|
|
fn src_pad(&self) -> &gst::Pad {
|
|
unsafe {
|
|
let elt = &*(self.as_ptr() as *const ffi::GstBaseTransform);
|
|
&*(&elt.srcpad as *const *mut gst::ffi::GstPad as *const gst::Pad)
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<O: IsA<BaseTransform>> BaseTransformExtManual for O {}
|