forked from mirrors/gstreamer-rs
43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
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// Copyright (C) 2019 Vivia Nikolaidou <vivia@ahiru.eu>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::ptr;
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use gst_sys;
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use glib::translate::{from_glib_full, ToGlibPtr};
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use glib::IsA;
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use AllocationParams;
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use Allocator;
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use Memory;
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pub trait AllocatorExtManual: 'static {
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fn alloc(&self, size: usize, params: Option<&AllocationParams>) -> Option<Memory>;
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}
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impl<O: IsA<Allocator>> AllocatorExtManual for O {
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fn alloc(&self, size: usize, params: Option<&AllocationParams>) -> Option<Memory> {
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unsafe {
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let ret = gst_sys::gst_allocator_alloc(
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self.as_ptr() as *mut _,
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size,
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match params {
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Some(val) => val.to_glib_none().0 as *mut _,
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None => ptr::null_mut(),
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},
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);
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if ret.is_null() {
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None
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} else {
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Some(from_glib_full(ret))
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}
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}
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}
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}
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