forked from mirrors/gstreamer-rs
44 lines
1.4 KiB
Rust
44 lines
1.4 KiB
Rust
// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
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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 glib::object::IsA;
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use glib::translate::*;
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use gst;
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use gst_base_sys;
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use std::mem;
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use std::ptr;
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use BaseTransform;
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pub trait BaseTransformExtManual: 'static {
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fn get_allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams);
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fn get_segment(&self) -> gst::Segment;
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}
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impl<O: IsA<BaseTransform>> BaseTransformExtManual for O {
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fn get_allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams) {
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unsafe {
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let mut allocator = ptr::null_mut();
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let mut params = mem::zeroed();
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gst_base_sys::gst_base_transform_get_allocator(
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self.as_ref().to_glib_none().0,
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&mut allocator,
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&mut params,
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);
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(from_glib_full(allocator), params.into())
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}
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}
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fn get_segment(&self) -> gst::Segment {
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unsafe {
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let trans: &gst_base_sys::GstBaseTransform = &*(self.as_ptr() as *const _);
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let _guard = ::utils::MutexGuard::lock(&trans.element.object.lock);
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from_glib_none(&trans.segment as *const _)
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}
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}
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}
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