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use crate::AllocationParams;
use crate::Memory;
use crate::Object;
use glib::object::IsA;
use glib::translate::*;
glib::wrapper! {
#[doc(alias = "GstAllocator")]
pub struct Allocator(Object<ffi::GstAllocator, ffi::GstAllocatorClass>) @extends Object;
match fn {
type_ => || ffi::gst_allocator_get_type(),
}
}
impl Allocator {
#[doc(alias = "gst_allocator_find")]
pub fn find(name: Option<&str>) -> Option<Allocator> {
assert_initialized_main_thread!();
unsafe { from_glib_full(ffi::gst_allocator_find(name.to_glib_none().0)) }
}
#[doc(alias = "gst_allocator_register")]
pub fn register<P: IsA<Allocator>>(name: &str, allocator: &P) {
skip_assert_initialized!();
unsafe {
ffi::gst_allocator_register(name.to_glib_none().0, allocator.as_ref().to_glib_full());
}
}
}
unsafe impl Send for Allocator {}
unsafe impl Sync for Allocator {}
pub const NONE_ALLOCATOR: Option<&Allocator> = None;
pub trait AllocatorExt: 'static {
#[doc(alias = "gst_allocator_alloc")]
fn alloc(
&self,
size: usize,
params: Option<&AllocationParams>,
) -> Result<Memory, glib::BoolError>;
#[doc(alias = "gst_allocator_set_default")]
fn set_default(&self);
}
impl<O: IsA<Allocator>> AllocatorExt for O {
fn alloc(
&self,
size: usize,
params: Option<&AllocationParams>,
) -> Result<Memory, glib::BoolError> {
unsafe {
Option::<_>::from_glib_full(ffi::gst_allocator_alloc(
self.as_ref().to_glib_none().0,
size,
mut_override(params.to_glib_none().0),
))
.ok_or_else(|| glib::bool_error!("Failed to allocate memory"))
}
}
fn set_default(&self) {
unsafe {
ffi::gst_allocator_set_default(self.as_ref().to_glib_full());
}
}
}