gstreamer-rs/gstreamer/src/context.rs
2017-10-17 12:06:51 +03:00

91 lines
2.4 KiB
Rust

// Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::ffi::CStr;
use ffi;
use glib;
use glib::StaticType;
use glib::translate::{from_glib, from_glib_full, ToGlib, ToGlibPtr};
use miniobject::*;
use StructureRef;
pub type Context = GstRc<ContextRef>;
pub struct ContextRef(ffi::GstContext);
unsafe impl MiniObject for ContextRef {
type GstType = ffi::GstContext;
}
impl GstRc<ContextRef> {
pub fn new(context_type: &str, persistent: bool) -> Self {
assert_initialized_main_thread!();
unsafe {
from_glib_full(ffi::gst_context_new(
context_type.to_glib_none().0,
persistent.to_glib(),
))
}
}
}
impl ContextRef {
pub fn get_context_type(&self) -> &str {
unsafe {
let raw = ffi::gst_context_get_context_type(self.as_mut_ptr());
CStr::from_ptr(raw).to_str().unwrap()
}
}
pub fn has_context_type(&self, context_type: &str) -> bool {
unsafe {
from_glib(ffi::gst_context_has_context_type(
self.as_mut_ptr(),
context_type.to_glib_none().0,
))
}
}
pub fn is_persistent(&self) -> bool {
unsafe { from_glib(ffi::gst_context_is_persistent(self.as_mut_ptr())) }
}
pub fn get_structure(&self) -> &StructureRef {
unsafe { StructureRef::from_glib_borrow(ffi::gst_context_get_structure(self.as_mut_ptr())) }
}
pub fn get_mut_structure(&mut self) -> &mut StructureRef {
unsafe {
StructureRef::from_glib_borrow_mut(
ffi::gst_context_writable_structure(self.as_mut_ptr()),
)
}
}
}
impl StaticType for ContextRef {
fn static_type() -> glib::Type {
unsafe { from_glib(ffi::gst_context_get_type()) }
}
}
impl ToOwned for ContextRef {
type Owned = GstRc<ContextRef>;
fn to_owned(&self) -> GstRc<ContextRef> {
unsafe {
from_glib_full(ffi::gst_mini_object_copy(self.as_ptr() as *const _)
as *mut _)
}
}
}
unsafe impl Sync for ContextRef {}
unsafe impl Send for ContextRef {}